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-rw-r--r--lib/Target/ARM/ARMInstrInfo.td3554
1 files changed, 2177 insertions, 1377 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.td b/lib/Target/ARM/ARMInstrInfo.td
index e66f9b9..c827ce3d 100644
--- a/lib/Target/ARM/ARMInstrInfo.td
+++ b/lib/Target/ARM/ARMInstrInfo.td
@@ -58,10 +58,9 @@ def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
SDTCisInt<2>]>;
def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
-def SDT_ARMMEMBARRIER : SDTypeProfile<0, 0, []>;
-def SDT_ARMSYNCBARRIER : SDTypeProfile<0, 0, []>;
-def SDT_ARMMEMBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
-def SDT_ARMSYNCBARRIERMCR : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
+def SDT_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
+
+def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
@@ -70,33 +69,35 @@ def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
// Node definitions.
def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
+def ARMWrapperDYN : SDNode<"ARMISD::WrapperDYN", SDTIntUnaryOp>;
+def ARMWrapperPIC : SDNode<"ARMISD::WrapperPIC", SDTIntUnaryOp>;
def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
- [SDNPHasChain, SDNPOutFlag]>;
+ [SDNPHasChain, SDNPOutGlue]>;
def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
- [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
+ [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue]>;
def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
- [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
+ [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
SDNPVariadic]>;
def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
- [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
+ [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
SDNPVariadic]>;
def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
- [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
+ [SDNPHasChain, SDNPOptInGlue, SDNPOutGlue,
SDNPVariadic]>;
def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
- [SDNPHasChain, SDNPOptInFlag]>;
+ [SDNPHasChain, SDNPOptInGlue]>;
def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
- [SDNPInFlag]>;
+ [SDNPInGlue]>;
def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
- [SDNPInFlag]>;
+ [SDNPInGlue]>;
def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
- [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
+ [SDNPHasChain, SDNPInGlue, SDNPOutGlue]>;
def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
[SDNPHasChain]>;
@@ -106,40 +107,38 @@ def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
[SDNPHasChain]>;
-def ARMand : SDNode<"ARMISD::AND", SDT_ARMAnd,
- [SDNPOutFlag]>;
-
def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
- [SDNPOutFlag]>;
+ [SDNPOutGlue]>;
def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
- [SDNPOutFlag, SDNPCommutative]>;
+ [SDNPOutGlue, SDNPCommutative]>;
def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
-def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
-def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
-def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
+def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
+def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutGlue]>;
+def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInGlue ]>;
def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
- SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
+ SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
+def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
+ SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
+
def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
[SDNPHasChain]>;
-def ARMSyncBarrier : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIER,
- [SDNPHasChain]>;
-def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERMCR,
- [SDNPHasChain]>;
-def ARMSyncBarrierMCR : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERMCR,
+def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
[SDNPHasChain]>;
+def ARMPreload : SDNode<"ARMISD::PRELOAD", SDTPrefetch,
+ [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
-def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
- [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
+def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
+ [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
@@ -147,34 +146,40 @@ def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
//===----------------------------------------------------------------------===//
// ARM Instruction Predicate Definitions.
//
-def HasV4T : Predicate<"Subtarget->hasV4TOps()">;
+def HasV4T : Predicate<"Subtarget->hasV4TOps()">, AssemblerPredicate;
def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
-def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">;
-def HasV6 : Predicate<"Subtarget->hasV6Ops()">;
-def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">;
+def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">, AssemblerPredicate;
+def HasV6 : Predicate<"Subtarget->hasV6Ops()">, AssemblerPredicate;
+def NoV6 : Predicate<"!Subtarget->hasV6Ops()">;
+def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">, AssemblerPredicate;
def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
-def HasV7 : Predicate<"Subtarget->hasV7Ops()">;
+def HasV7 : Predicate<"Subtarget->hasV7Ops()">, AssemblerPredicate;
def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
-def HasVFP2 : Predicate<"Subtarget->hasVFP2()">;
-def HasVFP3 : Predicate<"Subtarget->hasVFP3()">;
-def HasNEON : Predicate<"Subtarget->hasNEON()">;
-def HasDivide : Predicate<"Subtarget->hasDivide()">;
-def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">;
-def HasDB : Predicate<"Subtarget->hasDataBarrier()">;
+def HasVFP2 : Predicate<"Subtarget->hasVFP2()">, AssemblerPredicate;
+def HasVFP3 : Predicate<"Subtarget->hasVFP3()">, AssemblerPredicate;
+def HasNEON : Predicate<"Subtarget->hasNEON()">, AssemblerPredicate;
+def HasFP16 : Predicate<"Subtarget->hasFP16()">, AssemblerPredicate;
+def HasDivide : Predicate<"Subtarget->hasDivide()">, AssemblerPredicate;
+def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
+ AssemblerPredicate;
+def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
+ AssemblerPredicate;
+def HasMP : Predicate<"Subtarget->hasMPExtension()">,
+ AssemblerPredicate;
def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
-def IsThumb : Predicate<"Subtarget->isThumb()">;
+def IsThumb : Predicate<"Subtarget->isThumb()">, AssemblerPredicate;
def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
-def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
-def IsARM : Predicate<"!Subtarget->isThumb()">;
+def IsThumb2 : Predicate<"Subtarget->isThumb2()">, AssemblerPredicate;
+def IsARM : Predicate<"!Subtarget->isThumb()">, AssemblerPredicate;
def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
// FIXME: Eventually this will be just "hasV6T2Ops".
def UseMovt : Predicate<"Subtarget->useMovt()">;
def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
-def UseVMLx : Predicate<"Subtarget->useVMLx()">;
+def UseFPVMLx : Predicate<"Subtarget->useFPVMLx()">;
//===----------------------------------------------------------------------===//
// ARM Flag Definitions.
@@ -199,12 +204,6 @@ def so_imm_not_XFORM : SDNodeXForm<imm, [{
return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
}]>;
-// rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
-def rot_imm : PatLeaf<(i32 imm), [{
- int32_t v = (int32_t)N->getZExtValue();
- return v == 8 || v == 16 || v == 24;
-}]>;
-
/// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
def imm1_15 : PatLeaf<(i32 imm), [{
return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
@@ -217,12 +216,12 @@ def imm16_31 : PatLeaf<(i32 imm), [{
def so_imm_neg :
PatLeaf<(imm), [{
- return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
+ return ARM_AM::getSOImmVal(-(uint32_t)N->getZExtValue()) != -1;
}], so_imm_neg_XFORM>;
def so_imm_not :
PatLeaf<(imm), [{
- return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
+ return ARM_AM::getSOImmVal(~(uint32_t)N->getZExtValue()) != -1;
}], so_imm_not_XFORM>;
// sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
@@ -230,15 +229,6 @@ def sext_16_node : PatLeaf<(i32 GPR:$a), [{
return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
}]>;
-/// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
-/// e.g., 0xf000ffff
-def bf_inv_mask_imm : Operand<i32>,
- PatLeaf<(imm), [{
- return ARM::isBitFieldInvertedMask(N->getZExtValue());
-}] > {
- let PrintMethod = "printBitfieldInvMaskImmOperand";
-}
-
/// Split a 32-bit immediate into two 16 bit parts.
def hi16 : SDNodeXForm<imm, [{
return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
@@ -273,28 +263,103 @@ def sube_live_carry :
PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
[{return N->hasAnyUseOfValue(1);}]>;
+// An 'and' node with a single use.
+def and_su : PatFrag<(ops node:$lhs, node:$rhs), (and node:$lhs, node:$rhs), [{
+ return N->hasOneUse();
+}]>;
+
+// An 'xor' node with a single use.
+def xor_su : PatFrag<(ops node:$lhs, node:$rhs), (xor node:$lhs, node:$rhs), [{
+ return N->hasOneUse();
+}]>;
+
+// An 'fmul' node with a single use.
+def fmul_su : PatFrag<(ops node:$lhs, node:$rhs), (fmul node:$lhs, node:$rhs),[{
+ return N->hasOneUse();
+}]>;
+
+// An 'fadd' node which checks for single non-hazardous use.
+def fadd_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fadd node:$lhs, node:$rhs),[{
+ return hasNoVMLxHazardUse(N);
+}]>;
+
+// An 'fsub' node which checks for single non-hazardous use.
+def fsub_mlx : PatFrag<(ops node:$lhs, node:$rhs),(fsub node:$lhs, node:$rhs),[{
+ return hasNoVMLxHazardUse(N);
+}]>;
+
//===----------------------------------------------------------------------===//
// Operand Definitions.
//
// Branch target.
-def brtarget : Operand<OtherVT>;
+// FIXME: rename brtarget to t2_brtarget
+def brtarget : Operand<OtherVT> {
+ let EncoderMethod = "getBranchTargetOpValue";
+}
+
+// FIXME: get rid of this one?
+def uncondbrtarget : Operand<OtherVT> {
+ let EncoderMethod = "getUnconditionalBranchTargetOpValue";
+}
+
+// Branch target for ARM. Handles conditional/unconditional
+def br_target : Operand<OtherVT> {
+ let EncoderMethod = "getARMBranchTargetOpValue";
+}
+
+// Call target.
+// FIXME: rename bltarget to t2_bl_target?
+def bltarget : Operand<i32> {
+ // Encoded the same as branch targets.
+ let EncoderMethod = "getBranchTargetOpValue";
+}
+
+// Call target for ARM. Handles conditional/unconditional
+// FIXME: rename bl_target to t2_bltarget?
+def bl_target : Operand<i32> {
+ // Encoded the same as branch targets.
+ let EncoderMethod = "getARMBranchTargetOpValue";
+}
+
// A list of registers separated by comma. Used by load/store multiple.
+def RegListAsmOperand : AsmOperandClass {
+ let Name = "RegList";
+ let SuperClasses = [];
+}
+
+def DPRRegListAsmOperand : AsmOperandClass {
+ let Name = "DPRRegList";
+ let SuperClasses = [];
+}
+
+def SPRRegListAsmOperand : AsmOperandClass {
+ let Name = "SPRRegList";
+ let SuperClasses = [];
+}
+
def reglist : Operand<i32> {
+ let EncoderMethod = "getRegisterListOpValue";
+ let ParserMatchClass = RegListAsmOperand;
let PrintMethod = "printRegisterList";
}
-// An operand for the CONSTPOOL_ENTRY pseudo-instruction.
-def cpinst_operand : Operand<i32> {
- let PrintMethod = "printCPInstOperand";
+def dpr_reglist : Operand<i32> {
+ let EncoderMethod = "getRegisterListOpValue";
+ let ParserMatchClass = DPRRegListAsmOperand;
+ let PrintMethod = "printRegisterList";
}
-def jtblock_operand : Operand<i32> {
- let PrintMethod = "printJTBlockOperand";
+def spr_reglist : Operand<i32> {
+ let EncoderMethod = "getRegisterListOpValue";
+ let ParserMatchClass = SPRRegListAsmOperand;
+ let PrintMethod = "printRegisterList";
}
-def jt2block_operand : Operand<i32> {
- let PrintMethod = "printJT2BlockOperand";
+
+// An operand for the CONSTPOOL_ENTRY pseudo-instruction.
+def cpinst_operand : Operand<i32> {
+ let PrintMethod = "printCPInstOperand";
}
// Local PC labels.
@@ -302,6 +367,22 @@ def pclabel : Operand<i32> {
let PrintMethod = "printPCLabel";
}
+// ADR instruction labels.
+def adrlabel : Operand<i32> {
+ let EncoderMethod = "getAdrLabelOpValue";
+}
+
+def neon_vcvt_imm32 : Operand<i32> {
+ let EncoderMethod = "getNEONVcvtImm32OpValue";
+}
+
+// rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
+def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
+ int32_t v = (int32_t)N->getZExtValue();
+ return v == 8 || v == 16 || v == 24; }]> {
+ let EncoderMethod = "getRotImmOpValue";
+}
+
// shift_imm: An integer that encodes a shift amount and the type of shift
// (currently either asr or lsl) using the same encoding used for the
// immediates in so_reg operands.
@@ -313,73 +394,120 @@ def shift_imm : Operand<i32> {
def so_reg : Operand<i32>, // reg reg imm
ComplexPattern<i32, 3, "SelectShifterOperandReg",
[shl,srl,sra,rotr]> {
+ let EncoderMethod = "getSORegOpValue";
+ let PrintMethod = "printSORegOperand";
+ let MIOperandInfo = (ops GPR, GPR, i32imm);
+}
+def shift_so_reg : Operand<i32>, // reg reg imm
+ ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
+ [shl,srl,sra,rotr]> {
+ let EncoderMethod = "getSORegOpValue";
let PrintMethod = "printSORegOperand";
let MIOperandInfo = (ops GPR, GPR, i32imm);
}
// so_imm - Match a 32-bit shifter_operand immediate operand, which is an
-// 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
-// represented in the imm field in the same 12-bit form that they are encoded
-// into so_imm instructions: the 8-bit immediate is the least significant bits
-// [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
+// 8-bit immediate rotated by an arbitrary number of bits.
def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
+ let EncoderMethod = "getSOImmOpValue";
let PrintMethod = "printSOImmOperand";
}
// Break so_imm's up into two pieces. This handles immediates with up to 16
// bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
// get the first/second pieces.
-def so_imm2part : Operand<i32>,
- PatLeaf<(imm), [{
+def so_imm2part : PatLeaf<(imm), [{
return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
- }]> {
- let PrintMethod = "printSOImm2PartOperand";
-}
+}]>;
-def so_imm2part_1 : SDNodeXForm<imm, [{
- unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
- return CurDAG->getTargetConstant(V, MVT::i32);
+/// arm_i32imm - True for +V6T2, or true only if so_imm2part is true.
+///
+def arm_i32imm : PatLeaf<(imm), [{
+ if (Subtarget->hasV6T2Ops())
+ return true;
+ return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
}]>;
-def so_imm2part_2 : SDNodeXForm<imm, [{
- unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
- return CurDAG->getTargetConstant(V, MVT::i32);
+/// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
+def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
+ return (int32_t)N->getZExtValue() < 32;
}]>;
-def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
- return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
- }]> {
- let PrintMethod = "printSOImm2PartOperand";
+/// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
+def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
+ return (int32_t)N->getZExtValue() < 32;
+}]> {
+ let EncoderMethod = "getImmMinusOneOpValue";
}
-def so_neg_imm2part_1 : SDNodeXForm<imm, [{
- unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
- return CurDAG->getTargetConstant(V, MVT::i32);
-}]>;
+// i32imm_hilo16 - For movt/movw - sets the MC Encoder method.
+// The imm is split into imm{15-12}, imm{11-0}
+//
+def i32imm_hilo16 : Operand<i32> {
+ let EncoderMethod = "getHiLo16ImmOpValue";
+}
-def so_neg_imm2part_2 : SDNodeXForm<imm, [{
- unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
- return CurDAG->getTargetConstant(V, MVT::i32);
-}]>;
+/// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
+/// e.g., 0xf000ffff
+def bf_inv_mask_imm : Operand<i32>,
+ PatLeaf<(imm), [{
+ return ARM::isBitFieldInvertedMask(N->getZExtValue());
+}] > {
+ let EncoderMethod = "getBitfieldInvertedMaskOpValue";
+ let PrintMethod = "printBitfieldInvMaskImmOperand";
+}
-/// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
-def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
- return (int32_t)N->getZExtValue() < 32;
+/// lsb_pos_imm - position of the lsb bit, used by BFI4p and t2BFI4p
+def lsb_pos_imm : Operand<i32>, PatLeaf<(imm), [{
+ return isInt<5>(N->getSExtValue());
}]>;
+/// width_imm - number of bits to be copied, used by BFI4p and t2BFI4p
+def width_imm : Operand<i32>, PatLeaf<(imm), [{
+ return N->getSExtValue() > 0 && N->getSExtValue() <= 32;
+}] > {
+ let EncoderMethod = "getMsbOpValue";
+}
+
// Define ARM specific addressing modes.
-// addrmode2 := reg +/- reg shop imm
+
+// addrmode_imm12 := reg +/- imm12
+//
+def addrmode_imm12 : Operand<i32>,
+ ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
+ // 12-bit immediate operand. Note that instructions using this encode
+ // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
+ // immediate values are as normal.
+
+ let EncoderMethod = "getAddrModeImm12OpValue";
+ let PrintMethod = "printAddrModeImm12Operand";
+ let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
+}
+// ldst_so_reg := reg +/- reg shop imm
+//
+def ldst_so_reg : Operand<i32>,
+ ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
+ let EncoderMethod = "getLdStSORegOpValue";
+ // FIXME: Simplify the printer
+ let PrintMethod = "printAddrMode2Operand";
+ let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
+}
+
// addrmode2 := reg +/- imm12
+// := reg +/- reg shop imm
//
def addrmode2 : Operand<i32>,
ComplexPattern<i32, 3, "SelectAddrMode2", []> {
+ let EncoderMethod = "getAddrMode2OpValue";
let PrintMethod = "printAddrMode2Operand";
let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
}
def am2offset : Operand<i32>,
- ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
+ ComplexPattern<i32, 2, "SelectAddrMode2Offset",
+ [], [SDNPWantRoot]> {
+ let EncoderMethod = "getAddrMode2OffsetOpValue";
let PrintMethod = "printAddrMode2OffsetOperand";
let MIOperandInfo = (ops GPR, i32imm);
}
@@ -389,22 +517,29 @@ def am2offset : Operand<i32>,
//
def addrmode3 : Operand<i32>,
ComplexPattern<i32, 3, "SelectAddrMode3", []> {
+ let EncoderMethod = "getAddrMode3OpValue";
let PrintMethod = "printAddrMode3Operand";
let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
}
def am3offset : Operand<i32>,
- ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
+ ComplexPattern<i32, 2, "SelectAddrMode3Offset",
+ [], [SDNPWantRoot]> {
+ let EncoderMethod = "getAddrMode3OffsetOpValue";
let PrintMethod = "printAddrMode3OffsetOperand";
let MIOperandInfo = (ops GPR, i32imm);
}
-// addrmode4 := reg, <mode|W>
+// ldstm_mode := {ia, ib, da, db}
//
-def addrmode4 : Operand<i32>,
- ComplexPattern<i32, 2, "SelectAddrMode4", []> {
- let PrintMethod = "printAddrMode4Operand";
- let MIOperandInfo = (ops GPR:$addr, i32imm);
+def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
+ let EncoderMethod = "getLdStmModeOpValue";
+ let PrintMethod = "printLdStmModeOperand";
+}
+
+def MemMode5AsmOperand : AsmOperandClass {
+ let Name = "MemMode5";
+ let SuperClasses = [];
}
// addrmode5 := reg +/- imm8*4
@@ -413,19 +548,32 @@ def addrmode5 : Operand<i32>,
ComplexPattern<i32, 2, "SelectAddrMode5", []> {
let PrintMethod = "printAddrMode5Operand";
let MIOperandInfo = (ops GPR:$base, i32imm);
+ let ParserMatchClass = MemMode5AsmOperand;
+ let EncoderMethod = "getAddrMode5OpValue";
}
-// addrmode6 := reg with optional writeback
+// addrmode6 := reg with optional alignment
//
def addrmode6 : Operand<i32>,
- ComplexPattern<i32, 2, "SelectAddrMode6", []> {
+ ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
let PrintMethod = "printAddrMode6Operand";
let MIOperandInfo = (ops GPR:$addr, i32imm);
+ let EncoderMethod = "getAddrMode6AddressOpValue";
}
def am6offset : Operand<i32> {
let PrintMethod = "printAddrMode6OffsetOperand";
let MIOperandInfo = (ops GPR);
+ let EncoderMethod = "getAddrMode6OffsetOpValue";
+}
+
+// Special version of addrmode6 to handle alignment encoding for VLD-dup
+// instructions, specifically VLD4-dup.
+def addrmode6dup : Operand<i32>,
+ ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
+ let PrintMethod = "printAddrMode6Operand";
+ let MIOperandInfo = (ops GPR:$addr, i32imm);
+ let EncoderMethod = "getAddrMode6DupAddressOpValue";
}
// addrmodepc := pc + reg
@@ -440,6 +588,28 @@ def nohash_imm : Operand<i32> {
let PrintMethod = "printNoHashImmediate";
}
+def CoprocNumAsmOperand : AsmOperandClass {
+ let Name = "CoprocNum";
+ let SuperClasses = [];
+ let ParserMethod = "tryParseCoprocNumOperand";
+}
+
+def CoprocRegAsmOperand : AsmOperandClass {
+ let Name = "CoprocReg";
+ let SuperClasses = [];
+ let ParserMethod = "tryParseCoprocRegOperand";
+}
+
+def p_imm : Operand<i32> {
+ let PrintMethod = "printPImmediate";
+ let ParserMatchClass = CoprocNumAsmOperand;
+}
+
+def c_imm : Operand<i32> {
+ let PrintMethod = "printCImmediate";
+ let ParserMatchClass = CoprocRegAsmOperand;
+}
+
//===----------------------------------------------------------------------===//
include "ARMInstrFormats.td"
@@ -450,55 +620,93 @@ include "ARMInstrFormats.td"
/// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
/// binop that produces a value.
-multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
- bit Commutable = 0> {
+multiclass AsI1_bin_irs<bits<4> opcod, string opc,
+ InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
+ PatFrag opnode, bit Commutable = 0> {
// The register-immediate version is re-materializable. This is useful
// in particular for taking the address of a local.
let isReMaterializable = 1 in {
- def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
- IIC_iALUi, opc, "\t$dst, $a, $b",
- [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
+ def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
+ iii, opc, "\t$Rd, $Rn, $imm",
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> imm;
let Inst{25} = 1;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = imm;
}
}
- def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
- IIC_iALUr, opc, "\t$dst, $a, $b",
- [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
- let Inst{11-4} = 0b00000000;
+ def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
+ iir, opc, "\t$Rd, $Rn, $Rm",
+ [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
let Inst{25} = 0;
let isCommutable = Commutable;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-4} = 0b00000000;
+ let Inst{3-0} = Rm;
}
- def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
- IIC_iALUsr, opc, "\t$dst, $a, $b",
- [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
+ def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
+ iis, opc, "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
let Inst{25} = 0;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = shift;
}
}
/// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
/// instruction modifies the CPSR register.
-let Defs = [CPSR] in {
-multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
- bit Commutable = 0> {
- def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
- IIC_iALUi, opc, "\t$dst, $a, $b",
- [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
- let Inst{20} = 1;
+let isCodeGenOnly = 1, Defs = [CPSR] in {
+multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
+ InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
+ PatFrag opnode, bit Commutable = 0> {
+ def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
+ iii, opc, "\t$Rd, $Rn, $imm",
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> imm;
let Inst{25} = 1;
+ let Inst{20} = 1;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = imm;
}
- def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
- IIC_iALUr, opc, "\t$dst, $a, $b",
- [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
+ def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
+ iir, opc, "\t$Rd, $Rn, $Rm",
+ [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
let isCommutable = Commutable;
- let Inst{11-4} = 0b00000000;
- let Inst{20} = 1;
let Inst{25} = 0;
- }
- def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
- IIC_iALUsr, opc, "\t$dst, $a, $b",
- [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
let Inst{20} = 1;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-4} = 0b00000000;
+ let Inst{3-0} = Rm;
+ }
+ def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
+ iis, opc, "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
let Inst{25} = 0;
+ let Inst{20} = 1;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = shift;
}
}
}
@@ -507,146 +715,233 @@ multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
/// patterns. Similar to AsI1_bin_irs except the instruction does not produce
/// a explicit result, only implicitly set CPSR.
let isCompare = 1, Defs = [CPSR] in {
-multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
- bit Commutable = 0> {
- def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
- opc, "\t$a, $b",
- [(opnode GPR:$a, so_imm:$b)]> {
- let Inst{20} = 1;
+multiclass AI1_cmp_irs<bits<4> opcod, string opc,
+ InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
+ PatFrag opnode, bit Commutable = 0> {
+ def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
+ opc, "\t$Rn, $imm",
+ [(opnode GPR:$Rn, so_imm:$imm)]> {
+ bits<4> Rn;
+ bits<12> imm;
let Inst{25} = 1;
- }
- def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
- opc, "\t$a, $b",
- [(opnode GPR:$a, GPR:$b)]> {
- let Inst{11-4} = 0b00000000;
let Inst{20} = 1;
- let Inst{25} = 0;
- let isCommutable = Commutable;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = 0b0000;
+ let Inst{11-0} = imm;
}
- def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
- opc, "\t$a, $b",
- [(opnode GPR:$a, so_reg:$b)]> {
+ def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
+ opc, "\t$Rn, $Rm",
+ [(opnode GPR:$Rn, GPR:$Rm)]> {
+ bits<4> Rn;
+ bits<4> Rm;
+ let isCommutable = Commutable;
+ let Inst{25} = 0;
let Inst{20} = 1;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = 0b0000;
+ let Inst{11-4} = 0b00000000;
+ let Inst{3-0} = Rm;
+ }
+ def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
+ opc, "\t$Rn, $shift",
+ [(opnode GPR:$Rn, so_reg:$shift)]> {
+ bits<4> Rn;
+ bits<12> shift;
let Inst{25} = 0;
+ let Inst{20} = 1;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = 0b0000;
+ let Inst{11-0} = shift;
}
}
}
-/// AI_unary_rrot - A unary operation with two forms: one whose operand is a
+/// AI_ext_rrot - A unary operation with two forms: one whose operand is a
/// register and one whose operand is a register rotated by 8/16/24.
/// FIXME: Remove the 'r' variant. Its rot_imm is zero.
-multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
- def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
- IIC_iUNAr, opc, "\t$dst, $src",
- [(set GPR:$dst, (opnode GPR:$src))]>,
+multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
+ def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
+ IIC_iEXTr, opc, "\t$Rd, $Rm",
+ [(set GPR:$Rd, (opnode GPR:$Rm))]>,
Requires<[IsARM, HasV6]> {
- let Inst{11-10} = 0b00;
+ bits<4> Rd;
+ bits<4> Rm;
let Inst{19-16} = 0b1111;
+ let Inst{15-12} = Rd;
+ let Inst{11-10} = 0b00;
+ let Inst{3-0} = Rm;
}
- def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
- IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
- [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
+ def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
+ IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
+ [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
Requires<[IsARM, HasV6]> {
+ bits<4> Rd;
+ bits<4> Rm;
+ bits<2> rot;
let Inst{19-16} = 0b1111;
+ let Inst{15-12} = Rd;
+ let Inst{11-10} = rot;
+ let Inst{3-0} = Rm;
}
}
-multiclass AI_unary_rrot_np<bits<8> opcod, string opc> {
- def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
- IIC_iUNAr, opc, "\t$dst, $src",
+multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
+ def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
+ IIC_iEXTr, opc, "\t$Rd, $Rm",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV6]> {
- let Inst{11-10} = 0b00;
let Inst{19-16} = 0b1111;
+ let Inst{11-10} = 0b00;
}
- def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
- IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
+ def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
+ IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV6]> {
+ bits<2> rot;
let Inst{19-16} = 0b1111;
+ let Inst{11-10} = rot;
}
}
-/// AI_bin_rrot - A binary operation with two forms: one whose operand is a
+/// AI_exta_rrot - A binary operation with two forms: one whose operand is a
/// register and one whose operand is a register rotated by 8/16/24.
-multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
- def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
- IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
- [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
+multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
+ def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
+ [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
Requires<[IsARM, HasV6]> {
+ bits<4> Rd;
+ bits<4> Rm;
+ bits<4> Rn;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
let Inst{11-10} = 0b00;
+ let Inst{9-4} = 0b000111;
+ let Inst{3-0} = Rm;
+ }
+ def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
+ rot_imm:$rot),
+ IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
+ [(set GPR:$Rd, (opnode GPR:$Rn,
+ (rotr GPR:$Rm, rot_imm:$rot)))]>,
+ Requires<[IsARM, HasV6]> {
+ bits<4> Rd;
+ bits<4> Rm;
+ bits<4> Rn;
+ bits<2> rot;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{11-10} = rot;
+ let Inst{9-4} = 0b000111;
+ let Inst{3-0} = Rm;
}
- def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
- i32imm:$rot),
- IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
- [(set GPR:$dst, (opnode GPR:$LHS,
- (rotr GPR:$RHS, rot_imm:$rot)))]>,
- Requires<[IsARM, HasV6]>;
}
// For disassembly only.
-multiclass AI_bin_rrot_np<bits<8> opcod, string opc> {
- def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
- IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
+multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
+ def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV6]> {
let Inst{11-10} = 0b00;
}
- def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
- i32imm:$rot),
- IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
+ def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
+ rot_imm:$rot),
+ IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
[/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM, HasV6]>;
+ Requires<[IsARM, HasV6]> {
+ bits<4> Rn;
+ bits<2> rot;
+ let Inst{19-16} = Rn;
+ let Inst{11-10} = rot;
+ }
}
/// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
let Uses = [CPSR] in {
multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
bit Commutable = 0> {
- def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
- DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
- [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
+ def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
+ DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
Requires<[IsARM]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> imm;
let Inst{25} = 1;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
+ let Inst{11-0} = imm;
}
- def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
- [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
+ def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
+ [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
Requires<[IsARM]> {
- let isCommutable = Commutable;
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
let Inst{11-4} = 0b00000000;
let Inst{25} = 0;
+ let isCommutable = Commutable;
+ let Inst{3-0} = Rm;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
}
- def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
- DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
- [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
+ def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
+ DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
Requires<[IsARM]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
let Inst{25} = 0;
+ let Inst{11-0} = shift;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
}
}
// Carry setting variants
-let Defs = [CPSR] in {
+let isCodeGenOnly = 1, Defs = [CPSR] in {
multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
bit Commutable = 0> {
- def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
- DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
- [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
+ def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
+ DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
Requires<[IsARM]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> imm;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
+ let Inst{11-0} = imm;
let Inst{20} = 1;
let Inst{25} = 1;
}
- def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
- [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
+ def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
+ [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
Requires<[IsARM]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
let Inst{11-4} = 0b00000000;
+ let isCommutable = Commutable;
+ let Inst{3-0} = Rm;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
let Inst{20} = 1;
let Inst{25} = 0;
}
- def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
- DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
- [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
+ def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
+ DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
+ [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
Requires<[IsARM]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
+ let Inst{11-0} = shift;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
let Inst{20} = 1;
let Inst{25} = 0;
}
@@ -654,6 +949,62 @@ multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
}
}
+let canFoldAsLoad = 1, isReMaterializable = 1 in {
+multiclass AI_ldr1<bit isByte, string opc, InstrItinClass iii,
+ InstrItinClass iir, PatFrag opnode> {
+ // Note: We use the complex addrmode_imm12 rather than just an input
+ // GPR and a constrained immediate so that we can use this to match
+ // frame index references and avoid matching constant pool references.
+ def i12: AI2ldst<0b010, 1, isByte, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
+ AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
+ [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
+ bits<4> Rt;
+ bits<17> addr;
+ let Inst{23} = addr{12}; // U (add = ('U' == 1))
+ let Inst{19-16} = addr{16-13}; // Rn
+ let Inst{15-12} = Rt;
+ let Inst{11-0} = addr{11-0}; // imm12
+ }
+ def rs : AI2ldst<0b011, 1, isByte, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
+ AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
+ [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
+ bits<4> Rt;
+ bits<17> shift;
+ let Inst{23} = shift{12}; // U (add = ('U' == 1))
+ let Inst{19-16} = shift{16-13}; // Rn
+ let Inst{15-12} = Rt;
+ let Inst{11-0} = shift{11-0};
+ }
+}
+}
+
+multiclass AI_str1<bit isByte, string opc, InstrItinClass iii,
+ InstrItinClass iir, PatFrag opnode> {
+ // Note: We use the complex addrmode_imm12 rather than just an input
+ // GPR and a constrained immediate so that we can use this to match
+ // frame index references and avoid matching constant pool references.
+ def i12 : AI2ldst<0b010, 0, isByte, (outs),
+ (ins GPR:$Rt, addrmode_imm12:$addr),
+ AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
+ [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
+ bits<4> Rt;
+ bits<17> addr;
+ let Inst{23} = addr{12}; // U (add = ('U' == 1))
+ let Inst{19-16} = addr{16-13}; // Rn
+ let Inst{15-12} = Rt;
+ let Inst{11-0} = addr{11-0}; // imm12
+ }
+ def rs : AI2ldst<0b011, 0, isByte, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
+ AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
+ [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
+ bits<4> Rt;
+ bits<17> shift;
+ let Inst{23} = shift{12}; // U (add = ('U' == 1))
+ let Inst{19-16} = shift{16-13}; // Rn
+ let Inst{15-12} = Rt;
+ let Inst{11-0} = shift{11-0};
+ }
+}
//===----------------------------------------------------------------------===//
// Instructions
//===----------------------------------------------------------------------===//
@@ -669,8 +1020,7 @@ multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
let neverHasSideEffects = 1, isNotDuplicable = 1 in
def CONSTPOOL_ENTRY :
PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
- i32imm:$size), NoItinerary,
- "${instid:label} ${cpidx:cpentry}", []>;
+ i32imm:$size), NoItinerary, []>;
// FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
// from removing one half of the matched pairs. That breaks PEI, which assumes
@@ -678,12 +1028,10 @@ PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
def ADJCALLSTACKUP :
PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
- "${:comment} ADJCALLSTACKUP $amt1",
[(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
def ADJCALLSTACKDOWN :
PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
- "${:comment} ADJCALLSTACKDOWN $amt",
[(ARMcallseq_start timm:$amt)]>;
}
@@ -691,6 +1039,7 @@ def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV6T2]> {
let Inst{27-16} = 0b001100100000;
+ let Inst{15-8} = 0b11110000;
let Inst{7-0} = 0b00000000;
}
@@ -698,6 +1047,7 @@ def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV6T2]> {
let Inst{27-16} = 0b001100100000;
+ let Inst{15-8} = 0b11110000;
let Inst{7-0} = 0b00000001;
}
@@ -705,6 +1055,7 @@ def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV6T2]> {
let Inst{27-16} = 0b001100100000;
+ let Inst{15-8} = 0b11110000;
let Inst{7-0} = 0b00000010;
}
@@ -712,6 +1063,7 @@ def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV6T2]> {
let Inst{27-16} = 0b001100100000;
+ let Inst{15-8} = 0b11110000;
let Inst{7-0} = 0b00000011;
}
@@ -719,14 +1071,22 @@ def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
"\t$dst, $a, $b",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV6]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
+ let Inst{3-0} = Rm;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
let Inst{27-20} = 0b01101000;
let Inst{7-4} = 0b1011;
+ let Inst{11-8} = 0b1111;
}
def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV6T2]> {
let Inst{27-16} = 0b001100100000;
+ let Inst{15-8} = 0b11110000;
let Inst{7-0} = 0b00000100;
}
@@ -735,154 +1095,174 @@ def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM]> {
+ bits<16> val;
+ let Inst{3-0} = val{3-0};
+ let Inst{19-8} = val{15-4};
let Inst{27-20} = 0b00010010;
let Inst{7-4} = 0b0111;
}
-// Change Processor State is a system instruction -- for disassembly only.
-// The singleton $opt operand contains the following information:
-// opt{4-0} = mode from Inst{4-0}
-// opt{5} = changemode from Inst{17}
-// opt{8-6} = AIF from Inst{8-6}
-// opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
-def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
- [/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM]> {
+// Change Processor State is a system instruction -- for disassembly and
+// parsing only.
+// FIXME: Since the asm parser has currently no clean way to handle optional
+// operands, create 3 versions of the same instruction. Once there's a clean
+// framework to represent optional operands, change this behavior.
+class CPS<dag iops, string asm_ops>
+ : AXI<(outs), iops, MiscFrm, NoItinerary, !strconcat("cps", asm_ops),
+ [/* For disassembly only; pattern left blank */]>, Requires<[IsARM]> {
+ bits<2> imod;
+ bits<3> iflags;
+ bits<5> mode;
+ bit M;
+
let Inst{31-28} = 0b1111;
let Inst{27-20} = 0b00010000;
- let Inst{16} = 0;
- let Inst{5} = 0;
+ let Inst{19-18} = imod;
+ let Inst{17} = M; // Enabled if mode is set;
+ let Inst{16} = 0;
+ let Inst{8-6} = iflags;
+ let Inst{5} = 0;
+ let Inst{4-0} = mode;
}
+let M = 1 in
+ def CPS3p : CPS<(ins imod_op:$imod, iflags_op:$iflags, i32imm:$mode),
+ "$imod\t$iflags, $mode">;
+let mode = 0, M = 0 in
+ def CPS2p : CPS<(ins imod_op:$imod, iflags_op:$iflags), "$imod\t$iflags">;
+
+let imod = 0, iflags = 0, M = 1 in
+ def CPS1p : CPS<(ins i32imm:$mode), "\t$mode">;
+
// Preload signals the memory system of possible future data/instruction access.
// These are for disassembly only.
-//
-// A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
-// The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
-multiclass APreLoad<bit data, bit read, string opc> {
+multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
- def i : AXI<(outs), (ins GPR:$base, neg_zero:$imm), MiscFrm, NoItinerary,
- !strconcat(opc, "\t[$base, $imm]"), []> {
+ def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
+ !strconcat(opc, "\t$addr"),
+ [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
+ bits<4> Rt;
+ bits<17> addr;
let Inst{31-26} = 0b111101;
let Inst{25} = 0; // 0 for immediate form
let Inst{24} = data;
+ let Inst{23} = addr{12}; // U (add = ('U' == 1))
let Inst{22} = read;
let Inst{21-20} = 0b01;
+ let Inst{19-16} = addr{16-13}; // Rn
+ let Inst{15-12} = 0b1111;
+ let Inst{11-0} = addr{11-0}; // imm12
}
- def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
- !strconcat(opc, "\t$addr"), []> {
+ def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
+ !strconcat(opc, "\t$shift"),
+ [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
+ bits<17> shift;
let Inst{31-26} = 0b111101;
let Inst{25} = 1; // 1 for register form
let Inst{24} = data;
+ let Inst{23} = shift{12}; // U (add = ('U' == 1))
let Inst{22} = read;
let Inst{21-20} = 0b01;
- let Inst{4} = 0;
+ let Inst{19-16} = shift{16-13}; // Rn
+ let Inst{15-12} = 0b1111;
+ let Inst{11-0} = shift{11-0};
}
}
-defm PLD : APreLoad<1, 1, "pld">;
-defm PLDW : APreLoad<1, 0, "pldw">;
-defm PLI : APreLoad<0, 1, "pli">;
-
-def SETENDBE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tbe",
- [/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM]> {
- let Inst{31-28} = 0b1111;
- let Inst{27-20} = 0b00010000;
- let Inst{16} = 1;
- let Inst{9} = 1;
- let Inst{7-4} = 0b0000;
-}
+defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
+defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
+defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
-def SETENDLE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tle",
- [/* For disassembly only; pattern left blank */]>,
+def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
+ "setend\t$end",
+ [/* For disassembly only; pattern left blank */]>,
Requires<[IsARM]> {
- let Inst{31-28} = 0b1111;
- let Inst{27-20} = 0b00010000;
- let Inst{16} = 1;
- let Inst{9} = 0;
- let Inst{7-4} = 0b0000;
+ bits<1> end;
+ let Inst{31-10} = 0b1111000100000001000000;
+ let Inst{9} = end;
+ let Inst{8-0} = 0;
}
def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV7]> {
- let Inst{27-16} = 0b001100100000;
- let Inst{7-4} = 0b1111;
+ bits<4> opt;
+ let Inst{27-4} = 0b001100100000111100001111;
+ let Inst{3-0} = opt;
}
// A5.4 Permanently UNDEFINED instructions.
-// FIXME: Temporary emitted as raw bytes until this pseudo-op will be added to
-// binutils
let isBarrier = 1, isTerminator = 1 in
-def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
- ".long 0xe7ffdefe ${:comment} trap", [(trap)]>,
+def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
+ "trap", [(trap)]>,
Requires<[IsARM]> {
- let Inst{27-25} = 0b011;
- let Inst{24-20} = 0b11111;
- let Inst{7-5} = 0b111;
- let Inst{4} = 0b1;
+ let Inst = 0xe7ffdefe;
}
// Address computation and loads and stores in PIC mode.
let isNotDuplicable = 1 in {
-def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
- Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
- [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
+def PICADD : ARMPseudoInst<(outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
+ Size4Bytes, IIC_iALUr,
+ [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
let AddedComplexity = 10 in {
-def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
- [(set GPR:$dst, (load addrmodepc:$addr))]>;
+def PICLDR : ARMPseudoInst<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
+ Size4Bytes, IIC_iLoad_r,
+ [(set GPR:$dst, (load addrmodepc:$addr))]>;
-def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
- [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
+def PICLDRH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
+ Size4Bytes, IIC_iLoad_bh_r,
+ [(set GPR:$Rt, (zextloadi16 addrmodepc:$addr))]>;
-def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
- [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
+def PICLDRB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
+ Size4Bytes, IIC_iLoad_bh_r,
+ [(set GPR:$Rt, (zextloadi8 addrmodepc:$addr))]>;
-def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
- [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
+def PICLDRSH : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
+ Size4Bytes, IIC_iLoad_bh_r,
+ [(set GPR:$Rt, (sextloadi16 addrmodepc:$addr))]>;
-def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
- [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
+def PICLDRSB : ARMPseudoInst<(outs GPR:$Rt), (ins addrmodepc:$addr, pred:$p),
+ Size4Bytes, IIC_iLoad_bh_r,
+ [(set GPR:$Rt, (sextloadi8 addrmodepc:$addr))]>;
}
let AddedComplexity = 10 in {
-def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
- [(store GPR:$src, addrmodepc:$addr)]>;
+def PICSTR : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
+ Size4Bytes, IIC_iStore_r, [(store GPR:$src, addrmodepc:$addr)]>;
-def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
- [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
+def PICSTRH : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
+ Size4Bytes, IIC_iStore_bh_r, [(truncstorei16 GPR:$src,
+ addrmodepc:$addr)]>;
-def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
- Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
- [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
+def PICSTRB : ARMPseudoInst<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
+ Size4Bytes, IIC_iStore_bh_r, [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
}
} // isNotDuplicable = 1
// LEApcrel - Load a pc-relative address into a register without offending the
// assembler.
-let neverHasSideEffects = 1 in {
-let isReMaterializable = 1 in
-def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
- Pseudo, IIC_iALUi,
- "adr$p\t$dst, #$label", []>;
-
-} // neverHasSideEffects
-def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
- (ins i32imm:$label, nohash_imm:$id, pred:$p),
- Pseudo, IIC_iALUi,
- "adr$p\t$dst, #${label}_${id}", []> {
- let Inst{25} = 1;
+let neverHasSideEffects = 1, isReMaterializable = 1 in
+// The 'adr' mnemonic encodes differently if the label is before or after
+// the instruction. The {24-21} opcode bits are set by the fixup, as we don't
+// know until then which form of the instruction will be used.
+def ADR : AI1<0, (outs GPR:$Rd), (ins adrlabel:$label),
+ MiscFrm, IIC_iALUi, "adr", "\t$Rd, #$label", []> {
+ bits<4> Rd;
+ bits<12> label;
+ let Inst{27-25} = 0b001;
+ let Inst{20} = 0;
+ let Inst{19-16} = 0b1111;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = label;
}
+def LEApcrel : ARMPseudoInst<(outs GPR:$Rd), (ins i32imm:$label, pred:$p),
+ Size4Bytes, IIC_iALUi, []>;
+
+def LEApcrelJT : ARMPseudoInst<(outs GPR:$Rd),
+ (ins i32imm:$label, nohash_imm:$id, pred:$p),
+ Size4Bytes, IIC_iALUi, []>;
//===----------------------------------------------------------------------===//
// Control Flow Instructions.
@@ -893,159 +1273,139 @@ let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
"bx", "\tlr", [(ARMretflag)]>,
Requires<[IsARM, HasV4T]> {
- let Inst{3-0} = 0b1110;
- let Inst{7-4} = 0b0001;
- let Inst{19-8} = 0b111111111111;
- let Inst{27-20} = 0b00010010;
+ let Inst{27-0} = 0b0001001011111111111100011110;
}
// ARMV4 only
- def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
+ def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
"mov", "\tpc, lr", [(ARMretflag)]>,
Requires<[IsARM, NoV4T]> {
- let Inst{11-0} = 0b000000001110;
- let Inst{15-12} = 0b1111;
- let Inst{19-16} = 0b0000;
- let Inst{27-20} = 0b00011010;
+ let Inst{27-0} = 0b0001101000001111000000001110;
}
}
// Indirect branches
let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
// ARMV4T and above
- def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
+ def BX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
[(brind GPR:$dst)]>,
Requires<[IsARM, HasV4T]> {
- let Inst{7-4} = 0b0001;
- let Inst{19-8} = 0b111111111111;
- let Inst{27-20} = 0b00010010;
- let Inst{31-28} = 0b1110;
+ bits<4> dst;
+ let Inst{31-4} = 0b1110000100101111111111110001;
+ let Inst{3-0} = dst;
}
// ARMV4 only
- def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
- [(brind GPR:$dst)]>,
- Requires<[IsARM, NoV4T]> {
- let Inst{11-4} = 0b00000000;
- let Inst{15-12} = 0b1111;
- let Inst{19-16} = 0b0000;
- let Inst{27-20} = 0b00011010;
- let Inst{31-28} = 0b1110;
- }
+ // FIXME: We would really like to define this as a vanilla ARMPat like:
+ // ARMPat<(brind GPR:$dst), (MOVr PC, GPR:$dst)>
+ // With that, however, we can't set isBranch, isTerminator, etc..
+ def MOVPCRX : ARMPseudoInst<(outs), (ins GPR:$dst),
+ Size4Bytes, IIC_Br, [(brind GPR:$dst)]>,
+ Requires<[IsARM, NoV4T]>;
}
-// FIXME: remove when we have a way to marking a MI with these properties.
-// FIXME: Should pc be an implicit operand like PICADD, etc?
-let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
- hasExtraDefRegAllocReq = 1 in
- def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
- reglist:$dsts, variable_ops),
- IndexModeUpd, LdStMulFrm, IIC_Br,
- "ldm${addr:submode}${p}\t$addr!, $dsts",
- "$addr.addr = $wb", []>;
-
-// On non-Darwin platforms R9 is callee-saved.
+// All calls clobber the non-callee saved registers. SP is marked as
+// a use to prevent stack-pointer assignments that appear immediately
+// before calls from potentially appearing dead.
let isCall = 1,
+ // On non-Darwin platforms R9 is callee-saved.
Defs = [R0, R1, R2, R3, R12, LR,
D0, D1, D2, D3, D4, D5, D6, D7,
D16, D17, D18, D19, D20, D21, D22, D23,
- D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
- def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
- IIC_Br, "bl\t${func:call}",
+ D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
+ Uses = [SP] in {
+ def BL : ABXI<0b1011, (outs), (ins bl_target:$func, variable_ops),
+ IIC_Br, "bl\t$func",
[(ARMcall tglobaladdr:$func)]>,
Requires<[IsARM, IsNotDarwin]> {
let Inst{31-28} = 0b1110;
+ bits<24> func;
+ let Inst{23-0} = func;
}
- def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
- IIC_Br, "bl", "\t${func:call}",
+ def BL_pred : ABI<0b1011, (outs), (ins bl_target:$func, variable_ops),
+ IIC_Br, "bl", "\t$func",
[(ARMcall_pred tglobaladdr:$func)]>,
- Requires<[IsARM, IsNotDarwin]>;
+ Requires<[IsARM, IsNotDarwin]> {
+ bits<24> func;
+ let Inst{23-0} = func;
+ }
// ARMv5T and above
def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
IIC_Br, "blx\t$func",
[(ARMcall GPR:$func)]>,
Requires<[IsARM, HasV5T, IsNotDarwin]> {
- let Inst{7-4} = 0b0011;
- let Inst{19-8} = 0b111111111111;
- let Inst{27-20} = 0b00010010;
+ bits<4> func;
+ let Inst{31-4} = 0b1110000100101111111111110011;
+ let Inst{3-0} = func;
}
// ARMv4T
// Note: Restrict $func to the tGPR regclass to prevent it being in LR.
- def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
- IIC_Br, "mov\tlr, pc\n\tbx\t$func",
- [(ARMcall_nolink tGPR:$func)]>,
- Requires<[IsARM, HasV4T, IsNotDarwin]> {
- let Inst{7-4} = 0b0001;
- let Inst{19-8} = 0b111111111111;
- let Inst{27-20} = 0b00010010;
- }
+ def BX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
+ Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
+ Requires<[IsARM, HasV4T, IsNotDarwin]>;
// ARMv4
- def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
- IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
- [(ARMcall_nolink tGPR:$func)]>,
- Requires<[IsARM, NoV4T, IsNotDarwin]> {
- let Inst{11-4} = 0b00000000;
- let Inst{15-12} = 0b1111;
- let Inst{19-16} = 0b0000;
- let Inst{27-20} = 0b00011010;
- }
+ def BMOVPCRX_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
+ Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
+ Requires<[IsARM, NoV4T, IsNotDarwin]>;
}
-// On Darwin R9 is call-clobbered.
let isCall = 1,
+ // On Darwin R9 is call-clobbered.
+ // R7 is marked as a use to prevent frame-pointer assignments from being
+ // moved above / below calls.
Defs = [R0, R1, R2, R3, R9, R12, LR,
D0, D1, D2, D3, D4, D5, D6, D7,
D16, D17, D18, D19, D20, D21, D22, D23,
- D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
- def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
- IIC_Br, "bl\t${func:call}",
+ D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR],
+ Uses = [R7, SP] in {
+ def BLr9 : ABXI<0b1011, (outs), (ins bltarget:$func, variable_ops),
+ IIC_Br, "bl\t$func",
[(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
let Inst{31-28} = 0b1110;
+ bits<24> func;
+ let Inst{23-0} = func;
}
- def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
- IIC_Br, "bl", "\t${func:call}",
+ def BLr9_pred : ABI<0b1011, (outs), (ins bltarget:$func, variable_ops),
+ IIC_Br, "bl", "\t$func",
[(ARMcall_pred tglobaladdr:$func)]>,
- Requires<[IsARM, IsDarwin]>;
+ Requires<[IsARM, IsDarwin]> {
+ bits<24> func;
+ let Inst{23-0} = func;
+ }
// ARMv5T and above
def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
IIC_Br, "blx\t$func",
[(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
- let Inst{7-4} = 0b0011;
- let Inst{19-8} = 0b111111111111;
- let Inst{27-20} = 0b00010010;
+ bits<4> func;
+ let Inst{31-4} = 0b1110000100101111111111110011;
+ let Inst{3-0} = func;
}
// ARMv4T
// Note: Restrict $func to the tGPR regclass to prevent it being in LR.
- def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
- IIC_Br, "mov\tlr, pc\n\tbx\t$func",
- [(ARMcall_nolink tGPR:$func)]>,
- Requires<[IsARM, HasV4T, IsDarwin]> {
- let Inst{7-4} = 0b0001;
- let Inst{19-8} = 0b111111111111;
- let Inst{27-20} = 0b00010010;
- }
+ def BXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
+ Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
+ Requires<[IsARM, HasV4T, IsDarwin]>;
// ARMv4
- def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
- IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
- [(ARMcall_nolink tGPR:$func)]>,
- Requires<[IsARM, NoV4T, IsDarwin]> {
- let Inst{11-4} = 0b00000000;
- let Inst{15-12} = 0b1111;
- let Inst{19-16} = 0b0000;
- let Inst{27-20} = 0b00011010;
- }
+ def BMOVPCRXr9_CALL : ARMPseudoInst<(outs), (ins tGPR:$func, variable_ops),
+ Size8Bytes, IIC_Br, [(ARMcall_nolink tGPR:$func)]>,
+ Requires<[IsARM, NoV4T, IsDarwin]>;
}
// Tail calls.
+// FIXME: These should probably be xformed into the non-TC versions of the
+// instructions as part of MC lowering.
+// FIXME: These seem to be used for both Thumb and ARM instruction selection.
+// Thumb should have its own version since the instruction is actually
+// different, even though the mnemonic is the same.
let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
// Darwin versions.
let Defs = [R0, R1, R2, R3, R9, R12,
@@ -1053,29 +1413,26 @@ let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
D27, D28, D29, D30, D31, PC],
Uses = [SP] in {
- def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
- Pseudo, IIC_Br,
- "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
+ def TCRETURNdi : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
+ IIC_Br, []>, Requires<[IsDarwin]>;
- def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
- Pseudo, IIC_Br,
- "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
+ def TCRETURNri : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
+ IIC_Br, []>, Requires<[IsDarwin]>;
def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
IIC_Br, "b\t$dst @ TAILCALL",
- []>, Requires<[IsDarwin]>;
+ []>, Requires<[IsARM, IsDarwin]>;
def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
IIC_Br, "b.w\t$dst @ TAILCALL",
- []>, Requires<[IsDarwin]>;
+ []>, Requires<[IsThumb, IsDarwin]>;
def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
[]>, Requires<[IsDarwin]> {
- let Inst{7-4} = 0b0001;
- let Inst{19-8} = 0b111111111111;
- let Inst{27-20} = 0b00010010;
- let Inst{31-28} = 0b1110;
+ bits<4> dst;
+ let Inst{31-4} = 0b1110000100101111111111110001;
+ let Inst{3-0} = dst;
}
}
@@ -1085,13 +1442,11 @@ let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
D27, D28, D29, D30, D31, PC],
Uses = [SP] in {
- def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
- Pseudo, IIC_Br,
- "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
+ def TCRETURNdiND : PseudoInst<(outs), (ins i32imm:$dst, variable_ops),
+ IIC_Br, []>, Requires<[IsNotDarwin]>;
- def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
- Pseudo, IIC_Br,
- "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
+ def TCRETURNriND : PseudoInst<(outs), (ins tcGPR:$dst, variable_ops),
+ IIC_Br, []>, Requires<[IsNotDarwin]>;
def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
IIC_Br, "b\t$dst @ TAILCALL",
@@ -1104,10 +1459,9 @@ let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
[]>, Requires<[IsNotDarwin]> {
- let Inst{7-4} = 0b0001;
- let Inst{19-8} = 0b111111111111;
- let Inst{27-20} = 0b00010010;
- let Inst{31-28} = 0b1110;
+ bits<4> dst;
+ let Inst{31-4} = 0b1110000100101111111111110001;
+ let Inst{3-0} = dst;
}
}
}
@@ -1117,48 +1471,40 @@ let isBranch = 1, isTerminator = 1 in {
let isBarrier = 1 in {
let isPredicable = 1 in
def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
- "b\t$target", [(br bb:$target)]>;
+ "b\t$target", [(br bb:$target)]> {
+ bits<24> target;
+ let Inst{31-28} = 0b1110;
+ let Inst{23-0} = target;
+ }
- let isNotDuplicable = 1, isIndirectBranch = 1 in {
- def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
- IIC_Br, "mov\tpc, $target$jt",
- [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
- let Inst{11-4} = 0b00000000;
- let Inst{15-12} = 0b1111;
- let Inst{20} = 0; // S Bit
- let Inst{24-21} = 0b1101;
- let Inst{27-25} = 0b000;
- }
- def BR_JTm : JTI<(outs),
- (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
- IIC_Br, "ldr\tpc, $target$jt",
- [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
- imm:$id)]> {
- let Inst{15-12} = 0b1111;
- let Inst{20} = 1; // L bit
- let Inst{21} = 0; // W bit
- let Inst{22} = 0; // B bit
- let Inst{24} = 1; // P bit
- let Inst{27-25} = 0b011;
- }
- def BR_JTadd : JTI<(outs),
- (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
- IIC_Br, "add\tpc, $target, $idx$jt",
- [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
- imm:$id)]> {
- let Inst{15-12} = 0b1111;
- let Inst{20} = 0; // S bit
- let Inst{24-21} = 0b0100;
- let Inst{27-25} = 0b000;
- }
- } // isNotDuplicable = 1, isIndirectBranch = 1
+ let isNotDuplicable = 1, isIndirectBranch = 1 in {
+ def BR_JTr : ARMPseudoInst<(outs),
+ (ins GPR:$target, i32imm:$jt, i32imm:$id),
+ SizeSpecial, IIC_Br,
+ [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]>;
+ // FIXME: This shouldn't use the generic "addrmode2," but rather be split
+ // into i12 and rs suffixed versions.
+ def BR_JTm : ARMPseudoInst<(outs),
+ (ins addrmode2:$target, i32imm:$jt, i32imm:$id),
+ SizeSpecial, IIC_Br,
+ [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
+ imm:$id)]>;
+ def BR_JTadd : ARMPseudoInst<(outs),
+ (ins GPR:$target, GPR:$idx, i32imm:$jt, i32imm:$id),
+ SizeSpecial, IIC_Br,
+ [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
+ imm:$id)]>;
+ } // isNotDuplicable = 1, isIndirectBranch = 1
} // isBarrier = 1
// FIXME: should be able to write a pattern for ARMBrcond, but can't use
// a two-value operand where a dag node expects two operands. :(
- def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
+ def Bcc : ABI<0b1010, (outs), (ins br_target:$target),
IIC_Br, "b", "\t$target",
- [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
+ [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]> {
+ bits<24> target;
+ let Inst{23-0} = target;
+ }
}
// Branch and Exchange Jazelle -- for disassembly only
@@ -1172,271 +1518,303 @@ def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
// Secure Monitor Call is a system instruction -- for disassembly only
def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
[/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0110;
- let Inst{7-4} = 0b0111;
+ bits<4> opt;
+ let Inst{23-4} = 0b01100000000000000111;
+ let Inst{3-0} = opt;
}
// Supervisor Call (Software Interrupt) -- for disassembly only
-let isCall = 1 in {
+let isCall = 1, Uses = [SP] in {
def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
- [/* For disassembly only; pattern left blank */]>;
+ [/* For disassembly only; pattern left blank */]> {
+ bits<24> svc;
+ let Inst{23-0} = svc;
+}
}
// Store Return State is a system instruction -- for disassembly only
-def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
- NoItinerary, "srs${addr:submode}\tsp!, $mode",
+let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
+def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
+ NoItinerary, "srs${amode}\tsp!, $mode",
[/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
let Inst{22-20} = 0b110; // W = 1
}
-def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
- NoItinerary, "srs${addr:submode}\tsp, $mode",
+def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
+ NoItinerary, "srs${amode}\tsp, $mode",
[/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
let Inst{22-20} = 0b100; // W = 0
}
// Return From Exception is a system instruction -- for disassembly only
-def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
- NoItinerary, "rfe${addr:submode}\t$base!",
+def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
+ NoItinerary, "rfe${amode}\t$base!",
[/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
let Inst{22-20} = 0b011; // W = 1
}
-def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
- NoItinerary, "rfe${addr:submode}\t$base",
+def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
+ NoItinerary, "rfe${amode}\t$base",
[/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
let Inst{22-20} = 0b001; // W = 0
}
+} // isCodeGenOnly = 1
//===----------------------------------------------------------------------===//
// Load / store Instructions.
//
// Load
-let canFoldAsLoad = 1, isReMaterializable = 1 in
-def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
- "ldr", "\t$dst, $addr",
- [(set GPR:$dst, (load addrmode2:$addr))]>;
+
+
+defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
+ UnOpFrag<(load node:$Src)>>;
+defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
+ UnOpFrag<(zextloadi8 node:$Src)>>;
+defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
+ BinOpFrag<(store node:$LHS, node:$RHS)>>;
+defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
+ BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
// Special LDR for loads from non-pc-relative constpools.
let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
isReMaterializable = 1 in
-def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
- "ldr", "\t$dst, $addr", []>;
+def LDRcp : AI2ldst<0b010, 1, 0, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
+ AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr",
+ []> {
+ bits<4> Rt;
+ bits<17> addr;
+ let Inst{23} = addr{12}; // U (add = ('U' == 1))
+ let Inst{19-16} = 0b1111;
+ let Inst{15-12} = Rt;
+ let Inst{11-0} = addr{11-0}; // imm12
+}
// Loads with zero extension
-def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
- IIC_iLoadr, "ldrh", "\t$dst, $addr",
- [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
-
-def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
- IIC_iLoadr, "ldrb", "\t$dst, $addr",
- [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
+def LDRH : AI3ld<0b1011, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
+ IIC_iLoad_bh_r, "ldrh", "\t$Rt, $addr",
+ [(set GPR:$Rt, (zextloadi16 addrmode3:$addr))]>;
// Loads with sign extension
-def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
- IIC_iLoadr, "ldrsh", "\t$dst, $addr",
- [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
-
-def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
- IIC_iLoadr, "ldrsb", "\t$dst, $addr",
- [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
-
-let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
+def LDRSH : AI3ld<0b1111, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
+ IIC_iLoad_bh_r, "ldrsh", "\t$Rt, $addr",
+ [(set GPR:$Rt, (sextloadi16 addrmode3:$addr))]>;
+
+def LDRSB : AI3ld<0b1101, 1, (outs GPR:$Rt), (ins addrmode3:$addr), LdMiscFrm,
+ IIC_iLoad_bh_r, "ldrsb", "\t$Rt, $addr",
+ [(set GPR:$Rt, (sextloadi8 addrmode3:$addr))]>;
+
+let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
+ isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
+// FIXME: $dst2 isn't in the asm string as it's implied by $Rd (dst2 = Rd+1)
+// how to represent that such that tblgen is happy and we don't
+// mark this codegen only?
// Load doubleword
-def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
- IIC_iLoadr, "ldrd", "\t$dst1, $addr",
+def LDRD : AI3ld<0b1101, 0, (outs GPR:$Rd, GPR:$dst2),
+ (ins addrmode3:$addr), LdMiscFrm,
+ IIC_iLoad_d_r, "ldrd", "\t$Rd, $addr",
[]>, Requires<[IsARM, HasV5TE]>;
+}
// Indexed loads
-def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
- (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
- "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
-
-def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
- "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
-
-def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
- (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
- "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
-
-def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
- "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
-
-def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
- (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
- "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
-
-def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
- "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
-
-def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
- (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
- "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
-
-def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
- "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
-
-def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
- (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
- "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
-
-def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
- "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
+multiclass AI2_ldridx<bit isByte, string opc, InstrItinClass itin> {
+ def _PRE : AI2ldstidx<1, isByte, 1, (outs GPR:$Rt, GPR:$Rn_wb),
+ (ins addrmode2:$addr), IndexModePre, LdFrm, itin,
+ opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
+ // {17-14} Rn
+ // {13} 1 == Rm, 0 == imm12
+ // {12} isAdd
+ // {11-0} imm12/Rm
+ bits<18> addr;
+ let Inst{25} = addr{13};
+ let Inst{23} = addr{12};
+ let Inst{19-16} = addr{17-14};
+ let Inst{11-0} = addr{11-0};
+ }
+ def _POST : AI2ldstidx<1, isByte, 0, (outs GPR:$Rt, GPR:$Rn_wb),
+ (ins GPR:$Rn, am2offset:$offset),
+ IndexModePost, LdFrm, itin,
+ opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
+ // {13} 1 == Rm, 0 == imm12
+ // {12} isAdd
+ // {11-0} imm12/Rm
+ bits<14> offset;
+ bits<4> Rn;
+ let Inst{25} = offset{13};
+ let Inst{23} = offset{12};
+ let Inst{19-16} = Rn;
+ let Inst{11-0} = offset{11-0};
+ }
+}
-// For disassembly only
-def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
- (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadr,
- "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
- Requires<[IsARM, HasV5TE]>;
+let mayLoad = 1, neverHasSideEffects = 1 in {
+defm LDR : AI2_ldridx<0, "ldr", IIC_iLoad_ru>;
+defm LDRB : AI2_ldridx<1, "ldrb", IIC_iLoad_bh_ru>;
+}
-// For disassembly only
-def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
- (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadr,
- "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
- Requires<[IsARM, HasV5TE]>;
+multiclass AI3_ldridx<bits<4> op, bit op20, string opc, InstrItinClass itin> {
+ def _PRE : AI3ldstidx<op, op20, 1, 1, (outs GPR:$Rt, GPR:$Rn_wb),
+ (ins addrmode3:$addr), IndexModePre,
+ LdMiscFrm, itin,
+ opc, "\t$Rt, $addr!", "$addr.base = $Rn_wb", []> {
+ bits<14> addr;
+ let Inst{23} = addr{8}; // U bit
+ let Inst{22} = addr{13}; // 1 == imm8, 0 == Rm
+ let Inst{19-16} = addr{12-9}; // Rn
+ let Inst{11-8} = addr{7-4}; // imm7_4/zero
+ let Inst{3-0} = addr{3-0}; // imm3_0/Rm
+ }
+ def _POST : AI3ldstidx<op, op20, 1, 0, (outs GPR:$Rt, GPR:$Rn_wb),
+ (ins GPR:$Rn, am3offset:$offset), IndexModePost,
+ LdMiscFrm, itin,
+ opc, "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb", []> {
+ bits<10> offset;
+ bits<4> Rn;
+ let Inst{23} = offset{8}; // U bit
+ let Inst{22} = offset{9}; // 1 == imm8, 0 == Rm
+ let Inst{19-16} = Rn;
+ let Inst{11-8} = offset{7-4}; // imm7_4/zero
+ let Inst{3-0} = offset{3-0}; // imm3_0/Rm
+ }
+}
-} // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
+let mayLoad = 1, neverHasSideEffects = 1 in {
+defm LDRH : AI3_ldridx<0b1011, 1, "ldrh", IIC_iLoad_bh_ru>;
+defm LDRSH : AI3_ldridx<0b1111, 1, "ldrsh", IIC_iLoad_bh_ru>;
+defm LDRSB : AI3_ldridx<0b1101, 1, "ldrsb", IIC_iLoad_bh_ru>;
+let hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
+defm LDRD : AI3_ldridx<0b1101, 0, "ldrd", IIC_iLoad_d_ru>;
+} // mayLoad = 1, neverHasSideEffects = 1
// LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
-
-def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
+let mayLoad = 1, neverHasSideEffects = 1 in {
+def LDRT : AI2ldstidx<1, 0, 0, (outs GPR:$dst, GPR:$base_wb),
+ (ins GPR:$base, am2offset:$offset), IndexModeNone,
+ LdFrm, IIC_iLoad_ru,
"ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
-
-def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
+def LDRBT : AI2ldstidx<1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
+ (ins GPR:$base, am2offset:$offset), IndexModeNone,
+ LdFrm, IIC_iLoad_bh_ru,
"ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
-
-def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
+def LDRSBT : AI3ldstidx<0b1101, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
+ (ins GPR:$base, am3offset:$offset), IndexModePost,
+ LdMiscFrm, IIC_iLoad_bh_ru,
"ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
-
-def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru,
- "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
+def LDRHT : AI3ldstidx<0b1011, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
+ (ins GPR:$base, am3offset:$offset), IndexModePost,
+ LdMiscFrm, IIC_iLoad_bh_ru,
+ "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
-
-def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
- (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
+def LDRSHT : AI3ldstidx<0b1111, 1, 1, 0, (outs GPR:$dst, GPR:$base_wb),
+ (ins GPR:$base, am3offset:$offset), IndexModePost,
+ LdMiscFrm, IIC_iLoad_bh_ru,
"ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
let Inst{21} = 1; // overwrite
}
+}
// Store
-def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
- "str", "\t$src, $addr",
- [(store GPR:$src, addrmode2:$addr)]>;
// Stores with truncate
-def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
- IIC_iStorer, "strh", "\t$src, $addr",
- [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
-
-def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
- "strb", "\t$src, $addr",
- [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
+def STRH : AI3str<0b1011, (outs), (ins GPR:$Rt, addrmode3:$addr), StMiscFrm,
+ IIC_iStore_bh_r, "strh", "\t$Rt, $addr",
+ [(truncstorei16 GPR:$Rt, addrmode3:$addr)]>;
// Store doubleword
-let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
-def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
- StMiscFrm, IIC_iStorer,
+let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
+ isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
+def STRD : AI3str<0b1111, (outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
+ StMiscFrm, IIC_iStore_d_r,
"strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
// Indexed stores
-def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
- (ins GPR:$src, GPR:$base, am2offset:$offset),
- StFrm, IIC_iStoreru,
- "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
- [(set GPR:$base_wb,
- (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
-
-def STR_POST : AI2stwpo<(outs GPR:$base_wb),
- (ins GPR:$src, GPR:$base,am2offset:$offset),
- StFrm, IIC_iStoreru,
- "str", "\t$src, [$base], $offset", "$base = $base_wb",
- [(set GPR:$base_wb,
- (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
-
-def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
- (ins GPR:$src, GPR:$base,am3offset:$offset),
- StMiscFrm, IIC_iStoreru,
- "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
- [(set GPR:$base_wb,
- (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
-
-def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
- (ins GPR:$src, GPR:$base,am3offset:$offset),
- StMiscFrm, IIC_iStoreru,
- "strh", "\t$src, [$base], $offset", "$base = $base_wb",
- [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
- GPR:$base, am3offset:$offset))]>;
-
-def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
- (ins GPR:$src, GPR:$base,am2offset:$offset),
- StFrm, IIC_iStoreru,
- "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
- [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
- GPR:$base, am2offset:$offset))]>;
-
-def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
- (ins GPR:$src, GPR:$base,am2offset:$offset),
- StFrm, IIC_iStoreru,
- "strb", "\t$src, [$base], $offset", "$base = $base_wb",
- [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
- GPR:$base, am2offset:$offset))]>;
+def STR_PRE : AI2stridx<0, 1, (outs GPR:$Rn_wb),
+ (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
+ IndexModePre, StFrm, IIC_iStore_ru,
+ "str", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
+ [(set GPR:$Rn_wb,
+ (pre_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
+
+def STR_POST : AI2stridx<0, 0, (outs GPR:$Rn_wb),
+ (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
+ IndexModePost, StFrm, IIC_iStore_ru,
+ "str", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
+ [(set GPR:$Rn_wb,
+ (post_store GPR:$Rt, GPR:$Rn, am2offset:$offset))]>;
+
+def STRB_PRE : AI2stridx<1, 1, (outs GPR:$Rn_wb),
+ (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
+ IndexModePre, StFrm, IIC_iStore_bh_ru,
+ "strb", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
+ [(set GPR:$Rn_wb, (pre_truncsti8 GPR:$Rt,
+ GPR:$Rn, am2offset:$offset))]>;
+def STRB_POST: AI2stridx<1, 0, (outs GPR:$Rn_wb),
+ (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
+ IndexModePost, StFrm, IIC_iStore_bh_ru,
+ "strb", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
+ [(set GPR:$Rn_wb, (post_truncsti8 GPR:$Rt,
+ GPR:$Rn, am2offset:$offset))]>;
+
+def STRH_PRE : AI3stridx<0b1011, 0, 1, (outs GPR:$Rn_wb),
+ (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
+ IndexModePre, StMiscFrm, IIC_iStore_ru,
+ "strh", "\t$Rt, [$Rn, $offset]!", "$Rn = $Rn_wb",
+ [(set GPR:$Rn_wb,
+ (pre_truncsti16 GPR:$Rt, GPR:$Rn, am3offset:$offset))]>;
+
+def STRH_POST: AI3stridx<0b1011, 0, 0, (outs GPR:$Rn_wb),
+ (ins GPR:$Rt, GPR:$Rn, am3offset:$offset),
+ IndexModePost, StMiscFrm, IIC_iStore_bh_ru,
+ "strh", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
+ [(set GPR:$Rn_wb, (post_truncsti16 GPR:$Rt,
+ GPR:$Rn, am3offset:$offset))]>;
// For disassembly only
def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
(ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
- StMiscFrm, IIC_iStoreru,
+ StMiscFrm, IIC_iStore_d_ru,
"strd", "\t$src1, $src2, [$base, $offset]!",
"$base = $base_wb", []>;
// For disassembly only
def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
(ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
- StMiscFrm, IIC_iStoreru,
+ StMiscFrm, IIC_iStore_d_ru,
"strd", "\t$src1, $src2, [$base], $offset",
"$base = $base_wb", []>;
// STRT, STRBT, and STRHT are for disassembly only.
-def STRT : AI2stwpo<(outs GPR:$base_wb),
- (ins GPR:$src, GPR:$base,am2offset:$offset),
- StFrm, IIC_iStoreru,
- "strt", "\t$src, [$base], $offset", "$base = $base_wb",
+def STRT : AI2stridx<0, 0, (outs GPR:$Rn_wb),
+ (ins GPR:$Rt, GPR:$Rn,am2offset:$offset),
+ IndexModeNone, StFrm, IIC_iStore_ru,
+ "strt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
[/* For disassembly only; pattern left blank */]> {
let Inst{21} = 1; // overwrite
}
-def STRBT : AI2stbpo<(outs GPR:$base_wb),
- (ins GPR:$src, GPR:$base,am2offset:$offset),
- StFrm, IIC_iStoreru,
- "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
+def STRBT : AI2stridx<1, 0, (outs GPR:$Rn_wb),
+ (ins GPR:$Rt, GPR:$Rn, am2offset:$offset),
+ IndexModeNone, StFrm, IIC_iStore_bh_ru,
+ "strbt", "\t$Rt, [$Rn], $offset", "$Rn = $Rn_wb",
[/* For disassembly only; pattern left blank */]> {
let Inst{21} = 1; // overwrite
}
def STRHT: AI3sthpo<(outs GPR:$base_wb),
(ins GPR:$src, GPR:$base,am3offset:$offset),
- StMiscFrm, IIC_iStoreru,
+ StMiscFrm, IIC_iStore_bh_ru,
"strht", "\t$src, [$base], $offset", "$base = $base_wb",
[/* For disassembly only; pattern left blank */]> {
let Inst{21} = 1; // overwrite
@@ -1446,103 +1824,212 @@ def STRHT: AI3sthpo<(outs GPR:$base_wb),
// Load / store multiple Instructions.
//
-let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
-def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
- reglist:$dsts, variable_ops),
- IndexModeNone, LdStMulFrm, IIC_iLoadm,
- "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
-
-def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
- reglist:$dsts, variable_ops),
- IndexModeUpd, LdStMulFrm, IIC_iLoadm,
- "ldm${addr:submode}${p}\t$addr!, $dsts",
- "$addr.addr = $wb", []>;
-} // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
-
-let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
-def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
- reglist:$srcs, variable_ops),
- IndexModeNone, LdStMulFrm, IIC_iStorem,
- "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
-
-def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
- reglist:$srcs, variable_ops),
- IndexModeUpd, LdStMulFrm, IIC_iStorem,
- "stm${addr:submode}${p}\t$addr!, $srcs",
- "$addr.addr = $wb", []>;
-} // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
+multiclass arm_ldst_mult<string asm, bit L_bit, Format f,
+ InstrItinClass itin, InstrItinClass itin_upd> {
+ def IA :
+ AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
+ IndexModeNone, f, itin,
+ !strconcat(asm, "ia${p}\t$Rn, $regs"), "", []> {
+ let Inst{24-23} = 0b01; // Increment After
+ let Inst{21} = 0; // No writeback
+ let Inst{20} = L_bit;
+ }
+ def IA_UPD :
+ AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
+ IndexModeUpd, f, itin_upd,
+ !strconcat(asm, "ia${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
+ let Inst{24-23} = 0b01; // Increment After
+ let Inst{21} = 1; // Writeback
+ let Inst{20} = L_bit;
+ }
+ def DA :
+ AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
+ IndexModeNone, f, itin,
+ !strconcat(asm, "da${p}\t$Rn, $regs"), "", []> {
+ let Inst{24-23} = 0b00; // Decrement After
+ let Inst{21} = 0; // No writeback
+ let Inst{20} = L_bit;
+ }
+ def DA_UPD :
+ AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
+ IndexModeUpd, f, itin_upd,
+ !strconcat(asm, "da${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
+ let Inst{24-23} = 0b00; // Decrement After
+ let Inst{21} = 1; // Writeback
+ let Inst{20} = L_bit;
+ }
+ def DB :
+ AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
+ IndexModeNone, f, itin,
+ !strconcat(asm, "db${p}\t$Rn, $regs"), "", []> {
+ let Inst{24-23} = 0b10; // Decrement Before
+ let Inst{21} = 0; // No writeback
+ let Inst{20} = L_bit;
+ }
+ def DB_UPD :
+ AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
+ IndexModeUpd, f, itin_upd,
+ !strconcat(asm, "db${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
+ let Inst{24-23} = 0b10; // Decrement Before
+ let Inst{21} = 1; // Writeback
+ let Inst{20} = L_bit;
+ }
+ def IB :
+ AXI4<(outs), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
+ IndexModeNone, f, itin,
+ !strconcat(asm, "ib${p}\t$Rn, $regs"), "", []> {
+ let Inst{24-23} = 0b11; // Increment Before
+ let Inst{21} = 0; // No writeback
+ let Inst{20} = L_bit;
+ }
+ def IB_UPD :
+ AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p, reglist:$regs, variable_ops),
+ IndexModeUpd, f, itin_upd,
+ !strconcat(asm, "ib${p}\t$Rn!, $regs"), "$Rn = $wb", []> {
+ let Inst{24-23} = 0b11; // Increment Before
+ let Inst{21} = 1; // Writeback
+ let Inst{20} = L_bit;
+ }
+}
+
+let neverHasSideEffects = 1 in {
+
+let mayLoad = 1, hasExtraDefRegAllocReq = 1 in
+defm LDM : arm_ldst_mult<"ldm", 1, LdStMulFrm, IIC_iLoad_m, IIC_iLoad_mu>;
+
+let mayStore = 1, hasExtraSrcRegAllocReq = 1 in
+defm STM : arm_ldst_mult<"stm", 0, LdStMulFrm, IIC_iStore_m, IIC_iStore_mu>;
+
+} // neverHasSideEffects
+
+// Load / Store Multiple Mnemonic Aliases
+def : MnemonicAlias<"ldm", "ldmia">;
+def : MnemonicAlias<"stm", "stmia">;
+
+// FIXME: remove when we have a way to marking a MI with these properties.
+// FIXME: Should pc be an implicit operand like PICADD, etc?
+let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
+ hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
+// FIXME: Should be a pseudo-instruction.
+def LDMIA_RET : AXI4<(outs GPR:$wb), (ins GPR:$Rn, pred:$p,
+ reglist:$regs, variable_ops),
+ IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
+ "ldmia${p}\t$Rn!, $regs",
+ "$Rn = $wb", []> {
+ let Inst{24-23} = 0b01; // Increment After
+ let Inst{21} = 1; // Writeback
+ let Inst{20} = 1; // Load
+}
//===----------------------------------------------------------------------===//
// Move Instructions.
//
let neverHasSideEffects = 1 in
-def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
- "mov", "\t$dst, $src", []>, UnaryDP {
+def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
+ "mov", "\t$Rd, $Rm", []>, UnaryDP {
+ bits<4> Rd;
+ bits<4> Rm;
+
let Inst{11-4} = 0b00000000;
let Inst{25} = 0;
+ let Inst{3-0} = Rm;
+ let Inst{15-12} = Rd;
}
// A version for the smaller set of tail call registers.
let neverHasSideEffects = 1 in
-def MOVr_TC : AsI1<0b1101, (outs tcGPR:$dst), (ins tcGPR:$src), DPFrm,
- IIC_iMOVr, "mov", "\t$dst, $src", []>, UnaryDP {
+def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
+ IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
+ bits<4> Rd;
+ bits<4> Rm;
+
let Inst{11-4} = 0b00000000;
let Inst{25} = 0;
+ let Inst{3-0} = Rm;
+ let Inst{15-12} = Rd;
}
-def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
+def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
DPSoRegFrm, IIC_iMOVsr,
- "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
+ "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
+ UnaryDP {
+ bits<4> Rd;
+ bits<12> src;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = src;
let Inst{25} = 0;
}
-let isReMaterializable = 1, isAsCheapAsAMove = 1 in
-def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
- "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
+let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
+def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
+ "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
+ bits<4> Rd;
+ bits<12> imm;
let Inst{25} = 1;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = 0b0000;
+ let Inst{11-0} = imm;
}
-let isReMaterializable = 1, isAsCheapAsAMove = 1 in
-def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
+let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
+def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm_hilo16:$imm),
DPFrm, IIC_iMOVi,
- "movw", "\t$dst, $src",
- [(set GPR:$dst, imm0_65535:$src)]>,
+ "movw", "\t$Rd, $imm",
+ [(set GPR:$Rd, imm0_65535:$imm)]>,
Requires<[IsARM, HasV6T2]>, UnaryDP {
+ bits<4> Rd;
+ bits<16> imm;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = imm{11-0};
+ let Inst{19-16} = imm{15-12};
let Inst{20} = 0;
let Inst{25} = 1;
}
-let Constraints = "$src = $dst" in
-def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
+def MOVi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
+ (ins i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
+
+let Constraints = "$src = $Rd" in {
+def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm_hilo16:$imm),
DPFrm, IIC_iMOVi,
- "movt", "\t$dst, $imm",
- [(set GPR:$dst,
+ "movt", "\t$Rd, $imm",
+ [(set GPR:$Rd,
(or (and GPR:$src, 0xffff),
lo16AllZero:$imm))]>, UnaryDP,
Requires<[IsARM, HasV6T2]> {
+ bits<4> Rd;
+ bits<16> imm;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = imm{11-0};
+ let Inst{19-16} = imm{15-12};
let Inst{20} = 0;
let Inst{25} = 1;
}
+def MOVTi16_ga_pcrel : PseudoInst<(outs GPR:$Rd),
+ (ins GPR:$src, i32imm:$addr, pclabel:$id), IIC_iMOVi, []>;
+
+} // Constraints
+
def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
Requires<[IsARM, HasV6T2]>;
let Uses = [CPSR] in
-def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
- "mov", "\t$dst, $src, rrx",
- [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
+def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi,
+ [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
+ Requires<[IsARM]>;
// These aren't really mov instructions, but we have to define them this way
// due to flag operands.
let Defs = [CPSR] in {
-def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
- IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
- [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
-def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
- IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
- [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
+def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
+ [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
+ Requires<[IsARM]>;
+def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi,
+ [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
+ Requires<[IsARM]>;
}
//===----------------------------------------------------------------------===//
@@ -1551,31 +2038,31 @@ def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
// Sign extenders
-defm SXTB : AI_unary_rrot<0b01101010,
- "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
-defm SXTH : AI_unary_rrot<0b01101011,
- "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
+defm SXTB : AI_ext_rrot<0b01101010,
+ "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
+defm SXTH : AI_ext_rrot<0b01101011,
+ "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
-defm SXTAB : AI_bin_rrot<0b01101010,
+defm SXTAB : AI_exta_rrot<0b01101010,
"sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
-defm SXTAH : AI_bin_rrot<0b01101011,
+defm SXTAH : AI_exta_rrot<0b01101011,
"sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
// For disassembly only
-defm SXTB16 : AI_unary_rrot_np<0b01101000, "sxtb16">;
+defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
// For disassembly only
-defm SXTAB16 : AI_bin_rrot_np<0b01101000, "sxtab16">;
+defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
// Zero extenders
let AddedComplexity = 16 in {
-defm UXTB : AI_unary_rrot<0b01101110,
- "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
-defm UXTH : AI_unary_rrot<0b01101111,
- "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
-defm UXTB16 : AI_unary_rrot<0b01101100,
- "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
+defm UXTB : AI_ext_rrot<0b01101110,
+ "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
+defm UXTH : AI_ext_rrot<0b01101111,
+ "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
+defm UXTB16 : AI_ext_rrot<0b01101100,
+ "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
// FIXME: This pattern incorrectly assumes the shl operator is a rotate.
// The transformation should probably be done as a combiner action
@@ -1586,33 +2073,49 @@ defm UXTB16 : AI_unary_rrot<0b01101100,
def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
(UXTB16r_rot GPR:$Src, 8)>;
-defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
+defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
-defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
+defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
}
// This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
// For disassembly only
-defm UXTAB16 : AI_bin_rrot_np<0b01101100, "uxtab16">;
+defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
-def SBFX : I<(outs GPR:$dst),
- (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
- AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
- "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
+def SBFX : I<(outs GPR:$Rd),
+ (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
+ AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
+ "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
Requires<[IsARM, HasV6T2]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<5> lsb;
+ bits<5> width;
let Inst{27-21} = 0b0111101;
let Inst{6-4} = 0b101;
+ let Inst{20-16} = width;
+ let Inst{15-12} = Rd;
+ let Inst{11-7} = lsb;
+ let Inst{3-0} = Rn;
}
-def UBFX : I<(outs GPR:$dst),
- (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
- AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
- "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
+def UBFX : I<(outs GPR:$Rd),
+ (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
+ AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
+ "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
Requires<[IsARM, HasV6T2]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<5> lsb;
+ bits<5> width;
let Inst{27-21} = 0b0111111;
let Inst{6-4} = 0b101;
+ let Inst{20-16} = width;
+ let Inst{15-12} = Rd;
+ let Inst{11-7} = lsb;
+ let Inst{3-0} = Rn;
}
//===----------------------------------------------------------------------===//
@@ -1620,100 +2123,166 @@ def UBFX : I<(outs GPR:$dst),
//
defm ADD : AsI1_bin_irs<0b0100, "add",
+ IIC_iALUi, IIC_iALUr, IIC_iALUsr,
BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
defm SUB : AsI1_bin_irs<0b0010, "sub",
+ IIC_iALUi, IIC_iALUr, IIC_iALUsr,
BinOpFrag<(sub node:$LHS, node:$RHS)>>;
// ADD and SUB with 's' bit set.
defm ADDS : AI1_bin_s_irs<0b0100, "adds",
+ IIC_iALUi, IIC_iALUr, IIC_iALUsr,
BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
defm SUBS : AI1_bin_s_irs<0b0010, "subs",
+ IIC_iALUi, IIC_iALUr, IIC_iALUsr,
BinOpFrag<(subc node:$LHS, node:$RHS)>>;
defm ADC : AI1_adde_sube_irs<0b0101, "adc",
BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
+
+// ADC and SUBC with 's' bit set.
defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
-def RSBri : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
- IIC_iALUi, "rsb", "\t$dst, $a, $b",
- [(set GPR:$dst, (sub so_imm:$b, GPR:$a))]> {
- let Inst{25} = 1;
+def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
+ IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
+ [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> imm;
+ let Inst{25} = 1;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
+ let Inst{11-0} = imm;
}
// The reg/reg form is only defined for the disassembler; for codegen it is
// equivalent to SUBrr.
-def RSBrr : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
- IIC_iALUr, "rsb", "\t$dst, $a, $b",
+def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
+ IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]> {
- let Inst{25} = 0;
- let Inst{11-4} = 0b00000000;
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
+ let Inst{11-4} = 0b00000000;
+ let Inst{25} = 0;
+ let Inst{3-0} = Rm;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
}
-def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
- IIC_iALUsr, "rsb", "\t$dst, $a, $b",
- [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
- let Inst{25} = 0;
+def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
+ DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
+ let Inst{25} = 0;
+ let Inst{11-0} = shift;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
}
// RSB with 's' bit set.
-let Defs = [CPSR] in {
-def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
- IIC_iALUi, "rsbs", "\t$dst, $a, $b",
- [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
- let Inst{20} = 1;
- let Inst{25} = 1;
-}
-def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
- IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
- [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
- let Inst{20} = 1;
- let Inst{25} = 0;
+let isCodeGenOnly = 1, Defs = [CPSR] in {
+def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
+ IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
+ [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> imm;
+ let Inst{25} = 1;
+ let Inst{20} = 1;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
+ let Inst{11-0} = imm;
+}
+def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
+ DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
+ let Inst{25} = 0;
+ let Inst{20} = 1;
+ let Inst{11-0} = shift;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
}
}
let Uses = [CPSR] in {
-def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
- DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
- [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
+def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
+ DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
+ [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
Requires<[IsARM]> {
- let Inst{25} = 1;
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> imm;
+ let Inst{25} = 1;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
+ let Inst{11-0} = imm;
}
// The reg/reg form is only defined for the disassembler; for codegen it is
// equivalent to SUBrr.
-def RSCrr : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- DPFrm, IIC_iALUr, "rsc", "\t$dst, $a, $b",
+def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]> {
- let Inst{25} = 0;
- let Inst{11-4} = 0b00000000;
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
+ let Inst{11-4} = 0b00000000;
+ let Inst{25} = 0;
+ let Inst{3-0} = Rm;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
}
-def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
- DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
- [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
+def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
+ DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
Requires<[IsARM]> {
- let Inst{25} = 0;
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
+ let Inst{25} = 0;
+ let Inst{11-0} = shift;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
}
}
// FIXME: Allow these to be predicated.
-let Defs = [CPSR], Uses = [CPSR] in {
-def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
- DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
- [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
+let isCodeGenOnly = 1, Defs = [CPSR], Uses = [CPSR] in {
+def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
+ DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
+ [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
Requires<[IsARM]> {
- let Inst{20} = 1;
- let Inst{25} = 1;
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> imm;
+ let Inst{25} = 1;
+ let Inst{20} = 1;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
+ let Inst{11-0} = imm;
}
-def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
- DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
- [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
+def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
+ DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
+ [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
Requires<[IsARM]> {
- let Inst{20} = 1;
- let Inst{25} = 0;
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<12> shift;
+ let Inst{25} = 0;
+ let Inst{20} = 1;
+ let Inst{11-0} = shift;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = Rn;
}
}
@@ -1740,111 +2309,166 @@ def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
// ARM Arithmetic Instruction -- for disassembly only
// GPR:$dst = GPR:$a op GPR:$b
-class AAI<bits<8> op27_20, bits<4> op7_4, string opc,
- list<dag> pattern = [/* For disassembly only; pattern left blank */]>
- : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
- opc, "\t$dst, $a, $b", pattern> {
+class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
+ list<dag> pattern = [/* For disassembly only; pattern left blank */],
+ dag iops = (ins GPR:$Rn, GPR:$Rm), string asm = "\t$Rd, $Rn, $Rm">
+ : AI<(outs GPR:$Rd), iops, DPFrm, IIC_iALUr, opc, asm, pattern> {
+ bits<4> Rn;
+ bits<4> Rd;
+ bits<4> Rm;
let Inst{27-20} = op27_20;
- let Inst{7-4} = op7_4;
+ let Inst{11-4} = op11_4;
+ let Inst{19-16} = Rn;
+ let Inst{15-12} = Rd;
+ let Inst{3-0} = Rm;
}
// Saturating add/subtract -- for disassembly only
-def QADD : AAI<0b00010000, 0b0101, "qadd",
- [(set GPR:$dst, (int_arm_qadd GPR:$a, GPR:$b))]>;
-def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
-def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
-def QASX : AAI<0b01100010, 0b0011, "qasx">;
-def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
-def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
-def QSAX : AAI<0b01100010, 0b0101, "qsax">;
-def QSUB : AAI<0b00010010, 0b0101, "qsub",
- [(set GPR:$dst, (int_arm_qsub GPR:$a, GPR:$b))]>;
-def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
-def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
-def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
-def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
-def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
-def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
-def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
-def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
+def QADD : AAI<0b00010000, 0b00000101, "qadd",
+ [(set GPR:$Rd, (int_arm_qadd GPR:$Rm, GPR:$Rn))],
+ (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
+def QSUB : AAI<0b00010010, 0b00000101, "qsub",
+ [(set GPR:$Rd, (int_arm_qsub GPR:$Rm, GPR:$Rn))],
+ (ins GPR:$Rm, GPR:$Rn), "\t$Rd, $Rm, $Rn">;
+def QDADD : AAI<0b00010100, 0b00000101, "qdadd", [], (ins GPR:$Rm, GPR:$Rn),
+ "\t$Rd, $Rm, $Rn">;
+def QDSUB : AAI<0b00010110, 0b00000101, "qdsub", [], (ins GPR:$Rm, GPR:$Rn),
+ "\t$Rd, $Rm, $Rn">;
+
+def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
+def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
+def QASX : AAI<0b01100010, 0b11110011, "qasx">;
+def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
+def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
+def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
+def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
+def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
+def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
+def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
+def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
+def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
// Signed/Unsigned add/subtract -- for disassembly only
-def SASX : AAI<0b01100001, 0b0011, "sasx">;
-def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
-def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
-def SSAX : AAI<0b01100001, 0b0101, "ssax">;
-def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
-def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
-def UASX : AAI<0b01100101, 0b0011, "uasx">;
-def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
-def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
-def USAX : AAI<0b01100101, 0b0101, "usax">;
-def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
-def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
+def SASX : AAI<0b01100001, 0b11110011, "sasx">;
+def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
+def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
+def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
+def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
+def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
+def UASX : AAI<0b01100101, 0b11110011, "uasx">;
+def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
+def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
+def USAX : AAI<0b01100101, 0b11110101, "usax">;
+def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
+def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
// Signed/Unsigned halving add/subtract -- for disassembly only
-def SHASX : AAI<0b01100011, 0b0011, "shasx">;
-def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
-def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
-def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
-def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
-def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
-def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
-def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
-def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
-def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
-def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
-def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
+def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
+def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
+def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
+def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
+def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
+def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
+def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
+def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
+def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
+def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
+def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
+def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
// Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
-def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
+def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
MulFrm /* for convenience */, NoItinerary, "usad8",
- "\t$dst, $a, $b", []>,
+ "\t$Rd, $Rn, $Rm", []>,
Requires<[IsARM, HasV6]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
let Inst{27-20} = 0b01111000;
let Inst{15-12} = 0b1111;
let Inst{7-4} = 0b0001;
+ let Inst{19-16} = Rd;
+ let Inst{11-8} = Rm;
+ let Inst{3-0} = Rn;
}
-def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
+def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
MulFrm /* for convenience */, NoItinerary, "usada8",
- "\t$dst, $a, $b, $acc", []>,
+ "\t$Rd, $Rn, $Rm, $Ra", []>,
Requires<[IsARM, HasV6]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<4> Rm;
+ bits<4> Ra;
let Inst{27-20} = 0b01111000;
let Inst{7-4} = 0b0001;
+ let Inst{19-16} = Rd;
+ let Inst{15-12} = Ra;
+ let Inst{11-8} = Rm;
+ let Inst{3-0} = Rn;
}
// Signed/Unsigned saturate -- for disassembly only
-def SSAT : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, shift_imm:$sh),
- SatFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a$sh",
+def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
+ SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
[/* For disassembly only; pattern left blank */]> {
+ bits<4> Rd;
+ bits<5> sat_imm;
+ bits<4> Rn;
+ bits<8> sh;
let Inst{27-21} = 0b0110101;
let Inst{5-4} = 0b01;
+ let Inst{20-16} = sat_imm;
+ let Inst{15-12} = Rd;
+ let Inst{11-7} = sh{7-3};
+ let Inst{6} = sh{0};
+ let Inst{3-0} = Rn;
}
-def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), SatFrm,
- NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
+def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
+ NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
[/* For disassembly only; pattern left blank */]> {
+ bits<4> Rd;
+ bits<4> sat_imm;
+ bits<4> Rn;
let Inst{27-20} = 0b01101010;
- let Inst{7-4} = 0b0011;
+ let Inst{11-4} = 0b11110011;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = sat_imm;
+ let Inst{3-0} = Rn;
}
-def USAT : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, shift_imm:$sh),
- SatFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a$sh",
+def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
+ SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
[/* For disassembly only; pattern left blank */]> {
+ bits<4> Rd;
+ bits<5> sat_imm;
+ bits<4> Rn;
+ bits<8> sh;
let Inst{27-21} = 0b0110111;
let Inst{5-4} = 0b01;
+ let Inst{15-12} = Rd;
+ let Inst{11-7} = sh{7-3};
+ let Inst{6} = sh{0};
+ let Inst{20-16} = sat_imm;
+ let Inst{3-0} = Rn;
}
-def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), SatFrm,
- NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
+def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
+ NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
[/* For disassembly only; pattern left blank */]> {
+ bits<4> Rd;
+ bits<4> sat_imm;
+ bits<4> Rn;
let Inst{27-20} = 0b01101110;
- let Inst{7-4} = 0b0011;
+ let Inst{11-4} = 0b11110011;
+ let Inst{15-12} = Rd;
+ let Inst{19-16} = sat_imm;
+ let Inst{3-0} = Rn;
}
def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
@@ -1855,52 +2479,100 @@ def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
//
defm AND : AsI1_bin_irs<0b0000, "and",
+ IIC_iBITi, IIC_iBITr, IIC_iBITsr,
BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
-defm ANDS : AI1_bin_s_irs<0b0000, "and",
- BinOpFrag<(ARMand node:$LHS, node:$RHS)>, 1>;
defm ORR : AsI1_bin_irs<0b1100, "orr",
+ IIC_iBITi, IIC_iBITr, IIC_iBITsr,
BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
defm EOR : AsI1_bin_irs<0b0001, "eor",
+ IIC_iBITi, IIC_iBITr, IIC_iBITsr,
BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
defm BIC : AsI1_bin_irs<0b1110, "bic",
+ IIC_iBITi, IIC_iBITr, IIC_iBITsr,
BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
-def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
+def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
- "bfc", "\t$dst, $imm", "$src = $dst",
- [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
+ "bfc", "\t$Rd, $imm", "$src = $Rd",
+ [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
Requires<[IsARM, HasV6T2]> {
+ bits<4> Rd;
+ bits<10> imm;
let Inst{27-21} = 0b0111110;
let Inst{6-0} = 0b0011111;
+ let Inst{15-12} = Rd;
+ let Inst{11-7} = imm{4-0}; // lsb
+ let Inst{20-16} = imm{9-5}; // width
}
// A8.6.18 BFI - Bitfield insert (Encoding A1)
-def BFI : I<(outs GPR:$dst), (ins GPR:$src, GPR:$val, bf_inv_mask_imm:$imm),
+def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
- "bfi", "\t$dst, $val, $imm", "$src = $dst",
- [(set GPR:$dst, (ARMbfi GPR:$src, GPR:$val,
+ "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
+ [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
bf_inv_mask_imm:$imm))]>,
Requires<[IsARM, HasV6T2]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<10> imm;
+ let Inst{27-21} = 0b0111110;
+ let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
+ let Inst{15-12} = Rd;
+ let Inst{11-7} = imm{4-0}; // lsb
+ let Inst{20-16} = imm{9-5}; // width
+ let Inst{3-0} = Rn;
+}
+
+// GNU as only supports this form of bfi (w/ 4 arguments)
+let isAsmParserOnly = 1 in
+def BFI4p : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn,
+ lsb_pos_imm:$lsb, width_imm:$width),
+ AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
+ "bfi", "\t$Rd, $Rn, $lsb, $width", "$src = $Rd",
+ []>, Requires<[IsARM, HasV6T2]> {
+ bits<4> Rd;
+ bits<4> Rn;
+ bits<5> lsb;
+ bits<5> width;
let Inst{27-21} = 0b0111110;
let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
+ let Inst{15-12} = Rd;
+ let Inst{11-7} = lsb;
+ let Inst{20-16} = width; // Custom encoder => lsb+width-1
+ let Inst{3-0} = Rn;
}
-def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
- "mvn", "\t$dst, $src",
- [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
+def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
+ "mvn", "\t$Rd, $Rm",
+ [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
+ bits<4> Rd;
+ bits<4> Rm;
let Inst{25} = 0;
+ let Inst{19-16} = 0b0000;
let Inst{11-4} = 0b00000000;
-}
-def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
- IIC_iMOVsr, "mvn", "\t$dst, $src",
- [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
+ let Inst{15-12} = Rd;
+ let Inst{3-0} = Rm;
+}
+def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
+ IIC_iMVNsr, "mvn", "\t$Rd, $shift",
+ [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
+ bits<4> Rd;
+ bits<12> shift;
let Inst{25} = 0;
-}
-let isReMaterializable = 1, isAsCheapAsAMove = 1 in
-def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
- IIC_iMOVi, "mvn", "\t$dst, $imm",
- [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
- let Inst{25} = 1;
+ let Inst{19-16} = 0b0000;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = shift;
+}
+let isReMaterializable = 1, isAsCheapAsAMove = 1, isMoveImm = 1 in
+def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
+ IIC_iMVNi, "mvn", "\t$Rd, $imm",
+ [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
+ bits<4> Rd;
+ bits<12> imm;
+ let Inst{25} = 1;
+ let Inst{19-16} = 0b0000;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = imm;
}
def : ARMPat<(and GPR:$src, so_imm_not:$imm),
@@ -1909,247 +2581,299 @@ def : ARMPat<(and GPR:$src, so_imm_not:$imm),
//===----------------------------------------------------------------------===//
// Multiply Instructions.
//
+class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
+ bits<4> Rd;
+ bits<4> Rm;
+ bits<4> Rn;
+ let Inst{19-16} = Rd;
+ let Inst{11-8} = Rm;
+ let Inst{3-0} = Rn;
+}
+class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
+ string opc, string asm, list<dag> pattern>
+ : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
+ bits<4> RdLo;
+ bits<4> RdHi;
+ bits<4> Rm;
+ bits<4> Rn;
+ let Inst{19-16} = RdHi;
+ let Inst{15-12} = RdLo;
+ let Inst{11-8} = Rm;
+ let Inst{3-0} = Rn;
+}
-let isCommutable = 1 in
-def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- IIC_iMUL32, "mul", "\t$dst, $a, $b",
- [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
-
-def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
- IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
- [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
-
-def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
- IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
- [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
- Requires<[IsARM, HasV6T2]>;
+let isCommutable = 1 in {
+let Constraints = "@earlyclobber $Rd" in
+def MULv5: ARMPseudoInst<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
+ pred:$p, cc_out:$s),
+ Size4Bytes, IIC_iMUL32,
+ [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
+ Requires<[IsARM, NoV6]>;
+
+def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
+ [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>,
+ Requires<[IsARM, HasV6]>;
+}
+
+let Constraints = "@earlyclobber $Rd" in
+def MLAv5: ARMPseudoInst<(outs GPR:$Rd),
+ (ins GPR:$Rn, GPR:$Rm, GPR:$Ra, pred:$p, cc_out:$s),
+ Size4Bytes, IIC_iMAC32,
+ [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
+ Requires<[IsARM, NoV6]> {
+ bits<4> Ra;
+ let Inst{15-12} = Ra;
+}
+def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
+ IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
+ [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
+ Requires<[IsARM, HasV6]> {
+ bits<4> Ra;
+ let Inst{15-12} = Ra;
+}
+
+def MLS : AMul1I<0b0000011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
+ IIC_iMAC32, "mls", "\t$Rd, $Rn, $Rm, $Ra",
+ [(set GPR:$Rd, (sub GPR:$Ra, (mul GPR:$Rn, GPR:$Rm)))]>,
+ Requires<[IsARM, HasV6T2]> {
+ bits<4> Rd;
+ bits<4> Rm;
+ bits<4> Rn;
+ bits<4> Ra;
+ let Inst{19-16} = Rd;
+ let Inst{15-12} = Ra;
+ let Inst{11-8} = Rm;
+ let Inst{3-0} = Rn;
+}
// Extra precision multiplies with low / high results
+
let neverHasSideEffects = 1 in {
let isCommutable = 1 in {
-def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
- (ins GPR:$a, GPR:$b), IIC_iMUL64,
- "smull", "\t$ldst, $hdst, $a, $b", []>;
+let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
+def SMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
+ Size4Bytes, IIC_iMUL64, []>,
+ Requires<[IsARM, NoV6]>;
-def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
- (ins GPR:$a, GPR:$b), IIC_iMUL64,
- "umull", "\t$ldst, $hdst, $a, $b", []>;
+def UMULLv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
+ Size4Bytes, IIC_iMUL64, []>,
+ Requires<[IsARM, NoV6]>;
}
-// Multiply + accumulate
-def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
- (ins GPR:$a, GPR:$b), IIC_iMAC64,
- "smlal", "\t$ldst, $hdst, $a, $b", []>;
+def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
+ "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
+ Requires<[IsARM, HasV6]>;
-def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
- (ins GPR:$a, GPR:$b), IIC_iMAC64,
- "umlal", "\t$ldst, $hdst, $a, $b", []>;
+def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
+ "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
+ Requires<[IsARM, HasV6]>;
+}
-def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
- (ins GPR:$a, GPR:$b), IIC_iMAC64,
- "umaal", "\t$ldst, $hdst, $a, $b", []>,
+// Multiply + accumulate
+let Constraints = "@earlyclobber $RdLo,@earlyclobber $RdHi" in {
+def SMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
+ Size4Bytes, IIC_iMAC64, []>,
+ Requires<[IsARM, NoV6]>;
+def UMLALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
+ Size4Bytes, IIC_iMAC64, []>,
+ Requires<[IsARM, NoV6]>;
+def UMAALv5 : ARMPseudoInst<(outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm, pred:$p, cc_out:$s),
+ Size4Bytes, IIC_iMAC64, []>,
+ Requires<[IsARM, NoV6]>;
+
+}
+
+def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
+ "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
+ Requires<[IsARM, HasV6]>;
+def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
+ "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
Requires<[IsARM, HasV6]>;
+
+def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
+ "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
+ Requires<[IsARM, HasV6]> {
+ bits<4> RdLo;
+ bits<4> RdHi;
+ bits<4> Rm;
+ bits<4> Rn;
+ let Inst{19-16} = RdLo;
+ let Inst{15-12} = RdHi;
+ let Inst{11-8} = Rm;
+ let Inst{3-0} = Rn;
+}
} // neverHasSideEffects
// Most significant word multiply
-def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- IIC_iMUL32, "smmul", "\t$dst, $a, $b",
- [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
+def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
+ [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
Requires<[IsARM, HasV6]> {
- let Inst{7-4} = 0b0001;
let Inst{15-12} = 0b1111;
}
-def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
+def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV6]> {
- let Inst{7-4} = 0b0011; // R = 1
let Inst{15-12} = 0b1111;
}
-def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
- IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
- [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
- Requires<[IsARM, HasV6]> {
- let Inst{7-4} = 0b0001;
-}
+def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
+ (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
+ IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
+ [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
+ Requires<[IsARM, HasV6]>;
-def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
- IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
+def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
+ (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
+ IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
[/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM, HasV6]> {
- let Inst{7-4} = 0b0011; // R = 1
-}
+ Requires<[IsARM, HasV6]>;
-def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
- IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
- [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
- Requires<[IsARM, HasV6]> {
- let Inst{7-4} = 0b1101;
-}
+def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
+ (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
+ IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
+ [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
+ Requires<[IsARM, HasV6]>;
-def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
- IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
+def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
+ (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
+ IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
[/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM, HasV6]> {
- let Inst{7-4} = 0b1111; // R = 1
-}
+ Requires<[IsARM, HasV6]>;
multiclass AI_smul<string opc, PatFrag opnode> {
- def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
- [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
- (sext_inreg GPR:$b, i16)))]>,
- Requires<[IsARM, HasV5TE]> {
- let Inst{5} = 0;
- let Inst{6} = 0;
- }
-
- def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
- [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
- (sra GPR:$b, (i32 16))))]>,
- Requires<[IsARM, HasV5TE]> {
- let Inst{5} = 0;
- let Inst{6} = 1;
- }
-
- def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
- [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
- (sext_inreg GPR:$b, i16)))]>,
- Requires<[IsARM, HasV5TE]> {
- let Inst{5} = 1;
- let Inst{6} = 0;
- }
-
- def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
- [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
- (sra GPR:$b, (i32 16))))]>,
- Requires<[IsARM, HasV5TE]> {
- let Inst{5} = 1;
- let Inst{6} = 1;
- }
-
- def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
- [(set GPR:$dst, (sra (opnode GPR:$a,
- (sext_inreg GPR:$b, i16)), (i32 16)))]>,
- Requires<[IsARM, HasV5TE]> {
- let Inst{5} = 1;
- let Inst{6} = 0;
- }
-
- def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
- [(set GPR:$dst, (sra (opnode GPR:$a,
- (sra GPR:$b, (i32 16))), (i32 16)))]>,
- Requires<[IsARM, HasV5TE]> {
- let Inst{5} = 1;
- let Inst{6} = 1;
- }
+ def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
+ [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
+ (sext_inreg GPR:$Rm, i16)))]>,
+ Requires<[IsARM, HasV5TE]>;
+
+ def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
+ [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
+ (sra GPR:$Rm, (i32 16))))]>,
+ Requires<[IsARM, HasV5TE]>;
+
+ def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
+ [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
+ (sext_inreg GPR:$Rm, i16)))]>,
+ Requires<[IsARM, HasV5TE]>;
+
+ def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
+ [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
+ (sra GPR:$Rm, (i32 16))))]>,
+ Requires<[IsARM, HasV5TE]>;
+
+ def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
+ [(set GPR:$Rd, (sra (opnode GPR:$Rn,
+ (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
+ Requires<[IsARM, HasV5TE]>;
+
+ def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
+ [(set GPR:$Rd, (sra (opnode GPR:$Rn,
+ (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
+ Requires<[IsARM, HasV5TE]>;
}
multiclass AI_smla<string opc, PatFrag opnode> {
- def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
- IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
- [(set GPR:$dst, (add GPR:$acc,
- (opnode (sext_inreg GPR:$a, i16),
- (sext_inreg GPR:$b, i16))))]>,
- Requires<[IsARM, HasV5TE]> {
- let Inst{5} = 0;
- let Inst{6} = 0;
- }
-
- def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
- IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
- [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
- (sra GPR:$b, (i32 16)))))]>,
- Requires<[IsARM, HasV5TE]> {
- let Inst{5} = 0;
- let Inst{6} = 1;
- }
-
- def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
- IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
- [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
- (sext_inreg GPR:$b, i16))))]>,
- Requires<[IsARM, HasV5TE]> {
- let Inst{5} = 1;
- let Inst{6} = 0;
- }
-
- def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
- IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
- [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
- (sra GPR:$b, (i32 16)))))]>,
- Requires<[IsARM, HasV5TE]> {
- let Inst{5} = 1;
- let Inst{6} = 1;
- }
-
- def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
- IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
- [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
- (sext_inreg GPR:$b, i16)), (i32 16))))]>,
- Requires<[IsARM, HasV5TE]> {
- let Inst{5} = 0;
- let Inst{6} = 0;
- }
-
- def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
- IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
- [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
- (sra GPR:$b, (i32 16))), (i32 16))))]>,
- Requires<[IsARM, HasV5TE]> {
- let Inst{5} = 0;
- let Inst{6} = 1;
- }
+ def BB : AMulxyIa<0b0001000, 0b00, (outs GPR:$Rd),
+ (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
+ IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
+ [(set GPR:$Rd, (add GPR:$Ra,
+ (opnode (sext_inreg GPR:$Rn, i16),
+ (sext_inreg GPR:$Rm, i16))))]>,
+ Requires<[IsARM, HasV5TE]>;
+
+ def BT : AMulxyIa<0b0001000, 0b10, (outs GPR:$Rd),
+ (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
+ IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
+ [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
+ (sra GPR:$Rm, (i32 16)))))]>,
+ Requires<[IsARM, HasV5TE]>;
+
+ def TB : AMulxyIa<0b0001000, 0b01, (outs GPR:$Rd),
+ (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
+ IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
+ [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
+ (sext_inreg GPR:$Rm, i16))))]>,
+ Requires<[IsARM, HasV5TE]>;
+
+ def TT : AMulxyIa<0b0001000, 0b11, (outs GPR:$Rd),
+ (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
+ IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
+ [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
+ (sra GPR:$Rm, (i32 16)))))]>,
+ Requires<[IsARM, HasV5TE]>;
+
+ def WB : AMulxyIa<0b0001001, 0b00, (outs GPR:$Rd),
+ (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
+ IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
+ [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
+ (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
+ Requires<[IsARM, HasV5TE]>;
+
+ def WT : AMulxyIa<0b0001001, 0b10, (outs GPR:$Rd),
+ (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
+ IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
+ [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
+ (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
+ Requires<[IsARM, HasV5TE]>;
}
defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
// Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
-def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
- IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
+def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm),
+ IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM, HasV5TE]> {
- let Inst{5} = 0;
- let Inst{6} = 0;
-}
+ Requires<[IsARM, HasV5TE]>;
-def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
- IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
+def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm),
+ IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM, HasV5TE]> {
- let Inst{5} = 0;
- let Inst{6} = 1;
-}
+ Requires<[IsARM, HasV5TE]>;
-def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
- IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
+def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm),
+ IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM, HasV5TE]> {
- let Inst{5} = 1;
- let Inst{6} = 0;
-}
+ Requires<[IsARM, HasV5TE]>;
-def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
- IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
+def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm),
+ IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
[/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM, HasV5TE]> {
- let Inst{5} = 1;
- let Inst{6} = 1;
-}
+ Requires<[IsARM, HasV5TE]>;
// Helper class for AI_smld -- for disassembly only
-class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
- InstrItinClass itin, string opc, string asm>
+class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
+ InstrItinClass itin, string opc, string asm>
: AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
+ bits<4> Rn;
+ bits<4> Rm;
let Inst{4} = 1;
let Inst{5} = swap;
let Inst{6} = sub;
@@ -2157,21 +2881,46 @@ class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
let Inst{21-20} = 0b00;
let Inst{22} = long;
let Inst{27-23} = 0b01110;
+ let Inst{11-8} = Rm;
+ let Inst{3-0} = Rn;
+}
+class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
+ InstrItinClass itin, string opc, string asm>
+ : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
+ bits<4> Rd;
+ let Inst{15-12} = 0b1111;
+ let Inst{19-16} = Rd;
+}
+class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
+ InstrItinClass itin, string opc, string asm>
+ : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
+ bits<4> Ra;
+ let Inst{15-12} = Ra;
+}
+class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
+ InstrItinClass itin, string opc, string asm>
+ : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
+ bits<4> RdLo;
+ bits<4> RdHi;
+ let Inst{19-16} = RdHi;
+ let Inst{15-12} = RdLo;
}
multiclass AI_smld<bit sub, string opc> {
- def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
- NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
+ def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
+ NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
- def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
- NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
+ def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
+ NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
- def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
- NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
+ def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm), NoItinerary,
+ !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
- def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
- NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
+ def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
+ (ins GPR:$Rn, GPR:$Rm), NoItinerary,
+ !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
}
@@ -2180,16 +2929,10 @@ defm SMLS : AI_smld<1, "smls">;
multiclass AI_sdml<bit sub, string opc> {
- def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
- let Inst{15-12} = 0b1111;
- }
-
- def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
- NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
- let Inst{15-12} = 0b1111;
- }
-
+ def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
+ def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
+ NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
}
defm SMUA : AI_sdml<0, "smua">;
@@ -2199,55 +2942,35 @@ defm SMUS : AI_sdml<1, "smus">;
// Misc. Arithmetic Instructions.
//
-def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
- "clz", "\t$dst, $src",
- [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
- let Inst{7-4} = 0b0001;
- let Inst{11-8} = 0b1111;
- let Inst{19-16} = 0b1111;
-}
-
-def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
- "rbit", "\t$dst, $src",
- [(set GPR:$dst, (ARMrbit GPR:$src))]>,
- Requires<[IsARM, HasV6T2]> {
- let Inst{7-4} = 0b0011;
- let Inst{11-8} = 0b1111;
- let Inst{19-16} = 0b1111;
-}
-
-def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
- "rev", "\t$dst, $src",
- [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
- let Inst{7-4} = 0b0011;
- let Inst{11-8} = 0b1111;
- let Inst{19-16} = 0b1111;
-}
-
-def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
- "rev16", "\t$dst, $src",
- [(set GPR:$dst,
- (or (and (srl GPR:$src, (i32 8)), 0xFF),
- (or (and (shl GPR:$src, (i32 8)), 0xFF00),
- (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
- (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
- Requires<[IsARM, HasV6]> {
- let Inst{7-4} = 0b1011;
- let Inst{11-8} = 0b1111;
- let Inst{19-16} = 0b1111;
-}
-
-def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
- "revsh", "\t$dst, $src",
- [(set GPR:$dst,
+def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
+ IIC_iUNAr, "clz", "\t$Rd, $Rm",
+ [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
+
+def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
+ IIC_iUNAr, "rbit", "\t$Rd, $Rm",
+ [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
+ Requires<[IsARM, HasV6T2]>;
+
+def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
+ IIC_iUNAr, "rev", "\t$Rd, $Rm",
+ [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
+
+def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
+ IIC_iUNAr, "rev16", "\t$Rd, $Rm",
+ [(set GPR:$Rd,
+ (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
+ (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
+ (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
+ (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
+ Requires<[IsARM, HasV6]>;
+
+def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
+ IIC_iUNAr, "revsh", "\t$Rd, $Rm",
+ [(set GPR:$Rd,
(sext_inreg
- (or (srl (and GPR:$src, 0xFF00), (i32 8)),
- (shl GPR:$src, (i32 8))), i16))]>,
- Requires<[IsARM, HasV6]> {
- let Inst{7-4} = 0b1011;
- let Inst{11-8} = 0b1111;
- let Inst{19-16} = 0b1111;
-}
+ (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
+ (shl GPR:$Rm, (i32 8))), i16))]>,
+ Requires<[IsARM, HasV6]>;
def lsl_shift_imm : SDNodeXForm<imm, [{
unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
@@ -2258,21 +2981,19 @@ def lsl_amt : PatLeaf<(i32 imm), [{
return (N->getZExtValue() < 32);
}], lsl_shift_imm>;
-def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
- (ins GPR:$src1, GPR:$src2, shift_imm:$sh),
- IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2$sh",
- [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
- (and (shl GPR:$src2, lsl_amt:$sh),
- 0xFFFF0000)))]>,
- Requires<[IsARM, HasV6]> {
- let Inst{6-4} = 0b001;
-}
+def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
+ (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
+ IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
+ [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
+ (and (shl GPR:$Rm, lsl_amt:$sh),
+ 0xFFFF0000)))]>,
+ Requires<[IsARM, HasV6]>;
// Alternate cases for PKHBT where identities eliminate some nodes.
-def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
- (PKHBT GPR:$src1, GPR:$src2, 0)>;
-def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$sh)),
- (PKHBT GPR:$src1, GPR:$src2, (lsl_shift_imm imm16_31:$sh))>;
+def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
+ (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
+def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
+ (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
def asr_shift_imm : SDNodeXForm<imm, [{
unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
@@ -2285,15 +3006,13 @@ def asr_amt : PatLeaf<(i32 imm), [{
// Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
// will match the pattern below.
-def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
- (ins GPR:$src1, GPR:$src2, shift_imm:$sh),
- IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2$sh",
- [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
- (and (sra GPR:$src2, asr_amt:$sh),
- 0xFFFF)))]>,
- Requires<[IsARM, HasV6]> {
- let Inst{6-4} = 0b101;
-}
+def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
+ (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
+ IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
+ [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
+ (and (sra GPR:$Rm, asr_amt:$sh),
+ 0xFFFF)))]>,
+ Requires<[IsARM, HasV6]>;
// Alternate cases for PKHTB where identities eliminate some nodes. Note that
// a shift amount of 0 is *not legal* here, it is PKHBT instead.
@@ -2308,10 +3027,19 @@ def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
//
defm CMP : AI1_cmp_irs<0b1010, "cmp",
+ IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
-// FIXME: There seems to be a (potential) hardware bug with the CMN instruction
-// and comparison with 0. These two pieces of code should give identical
+// ARMcmpZ can re-use the above instruction definitions.
+def : ARMPat<(ARMcmpZ GPR:$src, so_imm:$imm),
+ (CMPri GPR:$src, so_imm:$imm)>;
+def : ARMPat<(ARMcmpZ GPR:$src, GPR:$rhs),
+ (CMPrr GPR:$src, GPR:$rhs)>;
+def : ARMPat<(ARMcmpZ GPR:$src, so_reg:$rhs),
+ (CMPrs GPR:$src, so_reg:$rhs)>;
+
+// FIXME: We have to be careful when using the CMN instruction and comparison
+// with 0. One would expect these two pieces of code should give identical
// results:
//
// rsbs r1, r1, 0
@@ -2321,7 +3049,7 @@ defm CMP : AI1_cmp_irs<0b1010, "cmp",
// mov r0, #1
//
// and:
-//
+//
// cmn r0, r1
// mov r0, #0
// it ls
@@ -2336,20 +3064,16 @@ defm CMP : AI1_cmp_irs<0b1010, "cmp",
// never a "carry" when this AddWithCarry is performed (because the "carry bit"
// parameter to AddWithCarry is defined as 0).
//
-// The AddWithCarry in the CMP case seems to be relying upon the identity:
-//
-// ~x + 1 = -x
-//
-// However when x is 0 and unsigned, this doesn't hold:
+// When x is 0 and unsigned:
//
// x = 0
// ~x = 0xFFFF FFFF
// ~x + 1 = 0x1 0000 0000
// (-x = 0) != (0x1 0000 0000 = ~x + 1)
//
-// Therefore, we should disable *all* versions of CMN, especially when comparing
-// against zero, until we can limit when the CMN instruction is used (when we
-// know that the RHS is not 0) or when we have a hardware fix for this.
+// Therefore, we should disable CMN when comparing against zero, until we can
+// limit when the CMN instruction is used (when we know that the RHS is not 0 or
+// when it's a comparison which doesn't look at the 'carry' flag).
//
// (See the ARM docs for the "AddWithCarry" pseudo-code.)
//
@@ -2360,13 +3084,14 @@ defm CMP : AI1_cmp_irs<0b1010, "cmp",
// Note that TST/TEQ don't set all the same flags that CMP does!
defm TST : AI1_cmp_irs<0b1000, "tst",
- BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
+ IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
+ BinOpFrag<(ARMcmpZ (and_su node:$LHS, node:$RHS), 0)>, 1>;
defm TEQ : AI1_cmp_irs<0b1001, "teq",
- BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
+ IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
+ BinOpFrag<(ARMcmpZ (xor_su node:$LHS, node:$RHS), 0)>, 1>;
-defm CMPz : AI1_cmp_irs<0b1010, "cmp",
- BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
defm CMNz : AI1_cmp_irs<0b1011, "cmn",
+ IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
//def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
@@ -2381,13 +3106,10 @@ let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
def BCCi64 : PseudoInst<(outs),
(ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
IIC_Br,
- "${:comment} B\t$dst GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, imm:$cc",
[(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
def BCCZi64 : PseudoInst<(outs),
- (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst),
- IIC_Br,
- "${:comment} B\t$dst GPR:$lhs1, GPR:$lhs2, 0, 0, imm:$cc",
+ (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br,
[(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
} // usesCustomInserter
@@ -2395,29 +3117,87 @@ def BCCZi64 : PseudoInst<(outs),
// Conditional moves
// FIXME: should be able to write a pattern for ARMcmov, but can't use
// a two-value operand where a dag node expects two operands. :(
+// FIXME: These should all be pseudo-instructions that get expanded to
+// the normal MOV instructions. That would fix the dependency on
+// special casing them in tblgen.
let neverHasSideEffects = 1 in {
-def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
- IIC_iCMOVr, "mov", "\t$dst, $true",
- [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $dst">, UnaryDP {
- let Inst{11-4} = 0b00000000;
+def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
+ IIC_iCMOVr, "mov", "\t$Rd, $Rm",
+ [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
+ RegConstraint<"$false = $Rd">, UnaryDP {
+ bits<4> Rd;
+ bits<4> Rm;
let Inst{25} = 0;
+ let Inst{20} = 0;
+ let Inst{15-12} = Rd;
+ let Inst{11-4} = 0b00000000;
+ let Inst{3-0} = Rm;
}
-def MOVCCs : AI1<0b1101, (outs GPR:$dst),
- (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
- "mov", "\t$dst, $true",
- [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $dst">, UnaryDP {
+def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
+ (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
+ "mov", "\t$Rd, $shift",
+ [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
+ RegConstraint<"$false = $Rd">, UnaryDP {
+ bits<4> Rd;
+ bits<12> shift;
let Inst{25} = 0;
+ let Inst{20} = 0;
+ let Inst{19-16} = 0;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = shift;
}
-def MOVCCi : AI1<0b1101, (outs GPR:$dst),
- (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
- "mov", "\t$dst, $true",
- [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
- RegConstraint<"$false = $dst">, UnaryDP {
+let isMoveImm = 1 in
+def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, i32imm_hilo16:$imm),
+ DPFrm, IIC_iMOVi,
+ "movw", "\t$Rd, $imm",
+ []>,
+ RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
+ UnaryDP {
+ bits<4> Rd;
+ bits<16> imm;
+ let Inst{25} = 1;
+ let Inst{20} = 0;
+ let Inst{19-16} = imm{15-12};
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = imm{11-0};
+}
+
+let isMoveImm = 1 in
+def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
+ (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
+ "mov", "\t$Rd, $imm",
+ [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
+ RegConstraint<"$false = $Rd">, UnaryDP {
+ bits<4> Rd;
+ bits<12> imm;
let Inst{25} = 1;
+ let Inst{20} = 0;
+ let Inst{19-16} = 0b0000;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = imm;
+}
+
+// Two instruction predicate mov immediate.
+let isMoveImm = 1 in
+def MOVCCi32imm : PseudoInst<(outs GPR:$Rd),
+ (ins GPR:$false, i32imm:$src, pred:$p),
+ IIC_iCMOVix2, []>, RegConstraint<"$false = $Rd">;
+
+let isMoveImm = 1 in
+def MVNCCi : AI1<0b1111, (outs GPR:$Rd),
+ (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
+ "mvn", "\t$Rd, $imm",
+ [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm_not:$imm, imm:$cc, CCR:$ccr))*/]>,
+ RegConstraint<"$false = $Rd">, UnaryDP {
+ bits<4> Rd;
+ bits<12> imm;
+ let Inst{25} = 1;
+ let Inst{20} = 0;
+ let Inst{19-16} = 0b0000;
+ let Inst{15-12} = Rd;
+ let Inst{11-0} = imm;
}
} // neverHasSideEffects
@@ -2425,64 +3205,41 @@ def MOVCCi : AI1<0b1101, (outs GPR:$dst),
// Atomic operations intrinsics
//
+def memb_opt : Operand<i32> {
+ let PrintMethod = "printMemBOption";
+ let ParserMatchClass = MemBarrierOptOperand;
+}
+
// memory barriers protect the atomic sequences
let hasSideEffects = 1 in {
-def DMBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dmb", "",
- [(ARMMemBarrier)]>, Requires<[IsARM, HasDB]> {
+def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
+ "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
+ Requires<[IsARM, HasDB]> {
+ bits<4> opt;
let Inst{31-4} = 0xf57ff05;
- // FIXME: add support for options other than a full system DMB
- // See DMB disassembly-only variants below.
- let Inst{3-0} = 0b1111;
-}
-
-def DSBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "dsb", "",
- [(ARMSyncBarrier)]>, Requires<[IsARM, HasDB]> {
- let Inst{31-4} = 0xf57ff04;
- // FIXME: add support for options other than a full system DSB
- // See DSB disassembly-only variants below.
- let Inst{3-0} = 0b1111;
+ let Inst{3-0} = opt;
}
def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
"mcr", "\tp15, 0, $zero, c7, c10, 5",
[(ARMMemBarrierMCR GPR:$zero)]>,
Requires<[IsARM, HasV6]> {
- // FIXME: add support for options other than a full system DMB
// FIXME: add encoding
}
-
-def DSB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
- "mcr", "\tp15, 0, $zero, c7, c10, 4",
- [(ARMSyncBarrierMCR GPR:$zero)]>,
- Requires<[IsARM, HasV6]> {
- // FIXME: add support for options other than a full system DSB
- // FIXME: add encoding
-}
-}
-
-// Memory Barrier Operations Variants -- for disassembly only
-
-def memb_opt : Operand<i32> {
- let PrintMethod = "printMemBOption";
}
-class AMBI<bits<4> op7_4, string opc>
- : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary, opc, "\t$opt",
- [/* For disassembly only; pattern left blank */]>,
- Requires<[IsARM, HasDB]> {
- let Inst{31-8} = 0xf57ff0;
- let Inst{7-4} = op7_4;
+def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
+ "dsb", "\t$opt",
+ [/* For disassembly only; pattern left blank */]>,
+ Requires<[IsARM, HasDB]> {
+ bits<4> opt;
+ let Inst{31-4} = 0xf57ff04;
+ let Inst{3-0} = opt;
}
-// These DMB variants are for disassembly only.
-def DMBvar : AMBI<0b0101, "dmb">;
-
-// These DSB variants are for disassembly only.
-def DSBvar : AMBI<0b0100, "dsb">;
-
// ISB has only full system option -- for disassembly only
-def ISBsy : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
- Requires<[IsARM, HasDB]> {
+def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
+ Requires<[IsARM, HasDB]> {
let Inst{31-4} = 0xf57ff06;
let Inst{3-0} = 0b1111;
}
@@ -2491,138 +3248,114 @@ let usesCustomInserter = 1 in {
let Uses = [CPSR] in {
def ATOMIC_LOAD_ADD_I8 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
[(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_SUB_I8 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
[(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_AND_I8 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
[(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_OR_I8 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
[(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_XOR_I8 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
[(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_NAND_I8 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
[(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_ADD_I16 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
[(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_SUB_I16 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
[(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_AND_I16 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
[(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_OR_I16 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
[(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_XOR_I16 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
[(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_NAND_I16 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
[(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_ADD_I32 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
[(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_SUB_I32 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
[(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_AND_I32 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
[(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_OR_I32 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
[(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_XOR_I32 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
[(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_LOAD_NAND_I32 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
- "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
[(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
def ATOMIC_SWAP_I8 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
- "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
[(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
def ATOMIC_SWAP_I16 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
- "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
[(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
def ATOMIC_SWAP_I32 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
- "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
[(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
def ATOMIC_CMP_SWAP_I8 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
- "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
[(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
def ATOMIC_CMP_SWAP_I16 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
- "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
[(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
def ATOMIC_CMP_SWAP_I32 : PseudoInst<
(outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
- "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
[(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
}
}
let mayLoad = 1 in {
-def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
- "ldrexb", "\t$dest, [$ptr]",
+def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
+ "ldrexb", "\t$Rt, [$Rn]",
[]>;
-def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
- "ldrexh", "\t$dest, [$ptr]",
+def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
+ "ldrexh", "\t$Rt, [$Rn]",
[]>;
-def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
- "ldrex", "\t$dest, [$ptr]",
+def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
+ "ldrex", "\t$Rt, [$Rn]",
[]>;
-def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
+def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
NoItinerary,
- "ldrexd", "\t$dest, $dest2, [$ptr]",
+ "ldrexd", "\t$Rt, $Rt2, [$Rn]",
[]>;
}
-let mayStore = 1, Constraints = "@earlyclobber $success" in {
-def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
+let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
+def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
NoItinerary,
- "strexb", "\t$success, $src, [$ptr]",
+ "strexb", "\t$Rd, $src, [$Rn]",
[]>;
-def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
+def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
NoItinerary,
- "strexh", "\t$success, $src, [$ptr]",
+ "strexh", "\t$Rd, $Rt, [$Rn]",
[]>;
-def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
+def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
NoItinerary,
- "strex", "\t$success, $src, [$ptr]",
+ "strex", "\t$Rd, $Rt, [$Rn]",
[]>;
-def STREXD : AIstrex<0b01, (outs GPR:$success),
- (ins GPR:$src, GPR:$src2, GPR:$ptr),
+def STREXD : AIstrex<0b01, (outs GPR:$Rd),
+ (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
NoItinerary,
- "strexd", "\t$success, $src, $src2, [$ptr]",
+ "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
[]>;
}
@@ -2630,29 +3363,15 @@ def STREXD : AIstrex<0b01, (outs GPR:$success),
def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
[/* For disassembly only; pattern left blank */]>,
Requires<[IsARM, HasV7]> {
- let Inst{31-20} = 0xf57;
- let Inst{7-4} = 0b0001;
+ let Inst{31-0} = 0b11110101011111111111000000011111;
}
// SWP/SWPB are deprecated in V6/V7 and for disassembly only.
let mayLoad = 1 in {
-def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
- "swp", "\t$dst, $src, [$ptr]",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{27-23} = 0b00010;
- let Inst{22} = 0; // B = 0
- let Inst{21-20} = 0b00;
- let Inst{7-4} = 0b1001;
-}
-
-def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
- "swpb", "\t$dst, $src, [$ptr]",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{27-23} = 0b00010;
- let Inst{22} = 1; // B = 1
- let Inst{21-20} = 0b00;
- let Inst{7-4} = 0b1001;
-}
+def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
+ [/* For disassembly only; pattern left blank */]>;
+def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
+ [/* For disassembly only; pattern left blank */]>;
}
//===----------------------------------------------------------------------===//
@@ -2660,10 +3379,11 @@ def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
//
// __aeabi_read_tp preserves the registers r1-r3.
+// This is a pseudo inst so that we can get the encoding right,
+// complete with fixup for the aeabi_read_tp function.
let isCall = 1,
- Defs = [R0, R12, LR, CPSR] in {
- def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
- "bl\t__aeabi_read_tp",
+ Defs = [R0, R12, LR, CPSR], Uses = [SP] in {
+ def TPsoft : PseudoInst<(outs), (ins), IIC_Br,
[(set R0, ARMthread_pointer)]>;
}
@@ -2680,19 +3400,16 @@ let isCall = 1,
// doing so, we also cause the prologue/epilogue code to actively preserve
// all of the callee-saved resgisters, which is exactly what we want.
// A constant value is passed in $val, and we use the location as a scratch.
+//
+// These are pseudo-instructions and are lowered to individual MC-insts, so
+// no encoding information is necessary.
let Defs =
[ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
D31 ], hasSideEffects = 1, isBarrier = 1 in {
- def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
- AddrModeNone, SizeSpecial, IndexModeNone,
- Pseudo, NoItinerary,
- "add\t$val, pc, #8\t${:comment} eh_setjmp begin\n\t"
- "str\t$val, [$src, #+4]\n\t"
- "mov\tr0, #0\n\t"
- "add\tpc, pc, #0\n\t"
- "mov\tr0, #1 ${:comment} eh_setjmp end", "",
+ def Int_eh_sjlj_setjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
+ NoItinerary,
[(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
Requires<[IsARM, HasVFP2]>;
}
@@ -2700,14 +3417,8 @@ let Defs =
let Defs =
[ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
hasSideEffects = 1, isBarrier = 1 in {
- def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
- AddrModeNone, SizeSpecial, IndexModeNone,
- Pseudo, NoItinerary,
- "add\t$val, pc, #8\n ${:comment} eh_setjmp begin\n\t"
- "str\t$val, [$src, #+4]\n\t"
- "mov\tr0, #0\n\t"
- "add\tpc, pc, #0\n\t"
- "mov\tr0, #1 ${:comment} eh_setjmp end", "",
+ def Int_eh_sjlj_setjmp_nofp : PseudoInst<(outs), (ins GPR:$src, GPR:$val),
+ NoItinerary,
[(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
Requires<[IsARM, NoVFP]>;
}
@@ -2715,53 +3426,58 @@ let Defs =
// FIXME: Non-Darwin version(s)
let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
Defs = [ R7, LR, SP ] in {
-def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
- AddrModeNone, SizeSpecial, IndexModeNone,
- Pseudo, NoItinerary,
- "ldr\tsp, [$src, #8]\n\t"
- "ldr\t$scratch, [$src, #4]\n\t"
- "ldr\tr7, [$src]\n\t"
- "bx\t$scratch", "",
+def Int_eh_sjlj_longjmp : PseudoInst<(outs), (ins GPR:$src, GPR:$scratch),
+ NoItinerary,
[(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
Requires<[IsARM, IsDarwin]>;
}
+// eh.sjlj.dispatchsetup pseudo-instruction.
+// This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
+// handled when the pseudo is expanded (which happens before any passes
+// that need the instruction size).
+let isBarrier = 1, hasSideEffects = 1 in
+def Int_eh_sjlj_dispatchsetup :
+ PseudoInst<(outs), (ins GPR:$src), NoItinerary,
+ [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
+ Requires<[IsDarwin]>;
+
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns
//
// Large immediate handling.
-// Two piece so_imms.
-let isReMaterializable = 1 in
-def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
- Pseudo, IIC_iMOVi,
- "mov", "\t$dst, $src",
- [(set GPR:$dst, so_imm2part:$src)]>,
- Requires<[IsARM, NoV6T2]>;
-
-def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
- (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
- (so_imm2part_2 imm:$RHS))>;
-def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
- (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
- (so_imm2part_2 imm:$RHS))>;
-def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
- (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
- (so_imm2part_2 imm:$RHS))>;
-def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
- (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
- (so_neg_imm2part_2 imm:$RHS))>;
-
-// 32-bit immediate using movw + movt.
+// 32-bit immediate using two piece so_imms or movw + movt.
// This is a single pseudo instruction, the benefit is that it can be remat'd
// as a single unit instead of having to handle reg inputs.
// FIXME: Remove this when we can do generalized remat.
-let isReMaterializable = 1 in
-def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
- "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
- [(set GPR:$dst, (i32 imm:$src))]>,
- Requires<[IsARM, HasV6T2]>;
+let isReMaterializable = 1, isMoveImm = 1 in
+def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2,
+ [(set GPR:$dst, (arm_i32imm:$src))]>,
+ Requires<[IsARM]>;
+
+// Pseudo instruction that combines movw + movt + add pc (if PIC).
+// It also makes it possible to rematerialize the instructions.
+// FIXME: Remove this when we can do generalized remat and when machine licm
+// can properly the instructions.
+let isReMaterializable = 1 in {
+def MOV_ga_pcrel : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
+ IIC_iMOVix2addpc,
+ [(set GPR:$dst, (ARMWrapperPIC tglobaladdr:$addr))]>,
+ Requires<[IsARM, UseMovt]>;
+
+def MOV_ga_dyn : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
+ IIC_iMOVix2,
+ [(set GPR:$dst, (ARMWrapperDYN tglobaladdr:$addr))]>,
+ Requires<[IsARM, UseMovt]>;
+
+let AddedComplexity = 10 in
+def MOV_ga_pcrel_ldr : PseudoInst<(outs GPR:$dst), (ins i32imm:$addr),
+ IIC_iMOVix2ld,
+ [(set GPR:$dst, (load (ARMWrapperPIC tglobaladdr:$addr)))]>,
+ Requires<[IsARM, UseMovt]>;
+} // isReMaterializable
// ConstantPool, GlobalAddress, and JumpTable
def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
@@ -2800,11 +3516,15 @@ def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
Requires<[IsARM, IsDarwin]>;
// zextload i1 -> zextload i8
-def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
+def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
+def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
// extload -> zextload
-def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
-def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
+def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
+def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
+def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
+def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
+
def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
@@ -2889,19 +3609,45 @@ include "ARMInstrNEON.td"
// Coprocessor Instructions. For disassembly only.
//
-def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
- nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
- NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{4} = 0;
-}
-
-def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
- nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
- NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
+def CDP : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
+ c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
+ NoItinerary, "cdp", "\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
+ [/* For disassembly only; pattern left blank */]> {
+ bits<4> opc1;
+ bits<4> CRn;
+ bits<4> CRd;
+ bits<4> cop;
+ bits<3> opc2;
+ bits<4> CRm;
+
+ let Inst{3-0} = CRm;
+ let Inst{4} = 0;
+ let Inst{7-5} = opc2;
+ let Inst{11-8} = cop;
+ let Inst{15-12} = CRd;
+ let Inst{19-16} = CRn;
+ let Inst{23-20} = opc1;
+}
+
+def CDP2 : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
+ c_imm:$CRd, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
+ NoItinerary, "cdp2\t$cop, $opc1, $CRd, $CRn, $CRm, $opc2",
[/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
- let Inst{4} = 0;
+ bits<4> opc1;
+ bits<4> CRn;
+ bits<4> CRd;
+ bits<4> cop;
+ bits<3> opc2;
+ bits<4> CRm;
+
+ let Inst{3-0} = CRm;
+ let Inst{4} = 0;
+ let Inst{7-5} = opc2;
+ let Inst{11-8} = cop;
+ let Inst{15-12} = CRd;
+ let Inst{19-16} = CRn;
+ let Inst{23-20} = opc1;
}
class ACI<dag oops, dag iops, string opc, string asm>
@@ -3000,110 +3746,164 @@ defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
defm STC2 : LdStCop<0b1111, 0, "stc2">;
-def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
- GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
- NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{20} = 0;
- let Inst{4} = 1;
-}
-
-def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
- GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
- NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{31-28} = 0b1111;
- let Inst{20} = 0;
- let Inst{4} = 1;
-}
+//===----------------------------------------------------------------------===//
+// Move between coprocessor and ARM core register -- for disassembly only
+//
-def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
- GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
- NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{20} = 1;
+class MovRCopro<string opc, bit direction>
+ : ABI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
+ GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
+ NoItinerary, opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2",
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{20} = direction;
let Inst{4} = 1;
-}
-def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
- GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
- NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
- [/* For disassembly only; pattern left blank */]> {
+ bits<4> Rt;
+ bits<4> cop;
+ bits<3> opc1;
+ bits<3> opc2;
+ bits<4> CRm;
+ bits<4> CRn;
+
+ let Inst{15-12} = Rt;
+ let Inst{11-8} = cop;
+ let Inst{23-21} = opc1;
+ let Inst{7-5} = opc2;
+ let Inst{3-0} = CRm;
+ let Inst{19-16} = CRn;
+}
+
+def MCR : MovRCopro<"mcr", 0 /* from ARM core register to coprocessor */>;
+def MRC : MovRCopro<"mrc", 1 /* from coprocessor to ARM core register */>;
+
+class MovRCopro2<string opc, bit direction>
+ : ABXI<0b1110, (outs), (ins p_imm:$cop, i32imm:$opc1,
+ GPR:$Rt, c_imm:$CRn, c_imm:$CRm, i32imm:$opc2),
+ NoItinerary, !strconcat(opc, "\t$cop, $opc1, $Rt, $CRn, $CRm, $opc2"),
+ [/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
- let Inst{20} = 1;
+ let Inst{20} = direction;
let Inst{4} = 1;
-}
-def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
- GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
- NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0100;
-}
-
-def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
- GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
- NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
- [/* For disassembly only; pattern left blank */]> {
+ bits<4> Rt;
+ bits<4> cop;
+ bits<3> opc1;
+ bits<3> opc2;
+ bits<4> CRm;
+ bits<4> CRn;
+
+ let Inst{15-12} = Rt;
+ let Inst{11-8} = cop;
+ let Inst{23-21} = opc1;
+ let Inst{7-5} = opc2;
+ let Inst{3-0} = CRm;
+ let Inst{19-16} = CRn;
+}
+
+def MCR2 : MovRCopro2<"mcr2", 0 /* from ARM core register to coprocessor */>;
+def MRC2 : MovRCopro2<"mrc2", 1 /* from coprocessor to ARM core register */>;
+
+class MovRRCopro<string opc, bit direction>
+ : ABI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
+ GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
+ NoItinerary, opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm",
+ [/* For disassembly only; pattern left blank */]> {
+ let Inst{23-21} = 0b010;
+ let Inst{20} = direction;
+
+ bits<4> Rt;
+ bits<4> Rt2;
+ bits<4> cop;
+ bits<4> opc1;
+ bits<4> CRm;
+
+ let Inst{15-12} = Rt;
+ let Inst{19-16} = Rt2;
+ let Inst{11-8} = cop;
+ let Inst{7-4} = opc1;
+ let Inst{3-0} = CRm;
+}
+
+def MCRR : MovRRCopro<"mcrr", 0 /* from ARM core register to coprocessor */>;
+def MRRC : MovRRCopro<"mrrc", 1 /* from coprocessor to ARM core register */>;
+
+class MovRRCopro2<string opc, bit direction>
+ : ABXI<0b1100, (outs), (ins p_imm:$cop, i32imm:$opc1,
+ GPR:$Rt, GPR:$Rt2, c_imm:$CRm),
+ NoItinerary, !strconcat(opc, "\t$cop, $opc1, $Rt, $Rt2, $CRm"),
+ [/* For disassembly only; pattern left blank */]> {
let Inst{31-28} = 0b1111;
- let Inst{23-20} = 0b0100;
-}
+ let Inst{23-21} = 0b010;
+ let Inst{20} = direction;
-def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
- GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
- NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0101;
-}
+ bits<4> Rt;
+ bits<4> Rt2;
+ bits<4> cop;
+ bits<4> opc1;
+ bits<4> CRm;
-def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
- GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
- NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{31-28} = 0b1111;
- let Inst{23-20} = 0b0101;
+ let Inst{15-12} = Rt;
+ let Inst{19-16} = Rt2;
+ let Inst{11-8} = cop;
+ let Inst{7-4} = opc1;
+ let Inst{3-0} = CRm;
}
+def MCRR2 : MovRRCopro2<"mcrr2", 0 /* from ARM core register to coprocessor */>;
+def MRRC2 : MovRRCopro2<"mrrc2", 1 /* from coprocessor to ARM core register */>;
+
//===----------------------------------------------------------------------===//
// Move between special register and ARM core register -- for disassembly only
//
-def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
+// Move to ARM core register from Special Register
+def MRS : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary, "mrs", "\t$Rd, cpsr",
[/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0000;
+ bits<4> Rd;
+ let Inst{23-16} = 0b00001111;
+ let Inst{15-12} = Rd;
let Inst{7-4} = 0b0000;
}
-def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
+def MRSsys : ABI<0b0001, (outs GPR:$Rd), (ins), NoItinerary,"mrs","\t$Rd, spsr",
[/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0100;
+ bits<4> Rd;
+ let Inst{23-16} = 0b01001111;
+ let Inst{15-12} = Rd;
let Inst{7-4} = 0b0000;
}
-def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
- "msr", "\tcpsr$mask, $src",
+// Move from ARM core register to Special Register
+//
+// No need to have both system and application versions, the encodings are the
+// same and the assembly parser has no way to distinguish between them. The mask
+// operand contains the special register (R Bit) in bit 4 and bits 3-0 contains
+// the mask with the fields to be accessed in the special register.
+def MSR : ABI<0b0001, (outs), (ins msr_mask:$mask, GPR:$Rn), NoItinerary,
+ "msr", "\t$mask, $Rn",
[/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0010;
- let Inst{7-4} = 0b0000;
-}
+ bits<5> mask;
+ bits<4> Rn;
-def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
- "msr", "\tcpsr$mask, $a",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0010;
- let Inst{7-4} = 0b0000;
+ let Inst{23} = 0;
+ let Inst{22} = mask{4}; // R bit
+ let Inst{21-20} = 0b10;
+ let Inst{19-16} = mask{3-0};
+ let Inst{15-12} = 0b1111;
+ let Inst{11-4} = 0b00000000;
+ let Inst{3-0} = Rn;
}
-def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
- "msr", "\tspsr$mask, $src",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0110;
- let Inst{7-4} = 0b0000;
-}
+def MSRi : ABI<0b0011, (outs), (ins msr_mask:$mask, so_imm:$a), NoItinerary,
+ "msr", "\t$mask, $a",
+ [/* For disassembly only; pattern left blank */]> {
+ bits<5> mask;
+ bits<12> a;
-def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
- "msr", "\tspsr$mask, $a",
- [/* For disassembly only; pattern left blank */]> {
- let Inst{23-20} = 0b0110;
- let Inst{7-4} = 0b0000;
+ let Inst{23} = 0;
+ let Inst{22} = mask{4}; // R bit
+ let Inst{21-20} = 0b10;
+ let Inst{19-16} = mask{3-0};
+ let Inst{15-12} = 0b1111;
+ let Inst{11-0} = a;
}
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