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-rw-r--r--lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp399
1 files changed, 316 insertions, 83 deletions
diff --git a/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp b/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
index 78d3e47..ccdac3e 100644
--- a/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
+++ b/lib/Target/ARM/InstPrinter/ARMInstPrinter.cpp
@@ -12,9 +12,9 @@
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "asm-printer"
-#include "ARMBaseInfo.h"
#include "ARMInstPrinter.h"
-#include "ARMAddressingModes.h"
+#include "MCTargetDesc/ARMBaseInfo.h"
+#include "MCTargetDesc/ARMAddressingModes.h"
#include "llvm/MC/MCInst.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCExpr.h"
@@ -25,6 +25,23 @@ using namespace llvm;
#define GET_INSTRUCTION_NAME
#include "ARMGenAsmWriter.inc"
+/// translateShiftImm - Convert shift immediate from 0-31 to 1-32 for printing.
+///
+/// getSORegOffset returns an integer from 0-31, representing '32' as 0.
+static unsigned translateShiftImm(unsigned imm) {
+ if (imm == 0)
+ return 32;
+ return imm;
+}
+
+
+ARMInstPrinter::ARMInstPrinter(const MCAsmInfo &MAI,
+ const MCSubtargetInfo &STI) :
+ MCInstPrinter(MAI) {
+ // Initialize the set of available features.
+ setAvailableFeatures(STI.getFeatureBits());
+}
+
StringRef ARMInstPrinter::getOpcodeName(unsigned Opcode) const {
return getInstructionName(Opcode);
}
@@ -33,11 +50,12 @@ void ARMInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
OS << getRegisterName(RegNo);
}
-void ARMInstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
+void ARMInstPrinter::printInst(const MCInst *MI, raw_ostream &O,
+ StringRef Annot) {
unsigned Opcode = MI->getOpcode();
// Check for MOVs and print canonical forms, instead.
- if (Opcode == ARM::MOVs) {
+ if (Opcode == ARM::MOVsr) {
// FIXME: Thumb variants?
const MCOperand &Dst = MI->getOperand(0);
const MCOperand &MO1 = MI->getOperand(1);
@@ -51,20 +69,36 @@ void ARMInstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
O << '\t' << getRegisterName(Dst.getReg())
<< ", " << getRegisterName(MO1.getReg());
- if (ARM_AM::getSORegShOp(MO3.getImm()) == ARM_AM::rrx)
- return;
+ O << ", " << getRegisterName(MO2.getReg());
+ assert(ARM_AM::getSORegOffset(MO3.getImm()) == 0);
+ printAnnotation(O, Annot);
+ return;
+ }
- O << ", ";
+ if (Opcode == ARM::MOVsi) {
+ // FIXME: Thumb variants?
+ const MCOperand &Dst = MI->getOperand(0);
+ const MCOperand &MO1 = MI->getOperand(1);
+ const MCOperand &MO2 = MI->getOperand(2);
+
+ O << '\t' << ARM_AM::getShiftOpcStr(ARM_AM::getSORegShOp(MO2.getImm()));
+ printSBitModifierOperand(MI, 5, O);
+ printPredicateOperand(MI, 3, O);
- if (MO2.getReg()) {
- O << getRegisterName(MO2.getReg());
- assert(ARM_AM::getSORegOffset(MO3.getImm()) == 0);
- } else {
- O << "#" << ARM_AM::getSORegOffset(MO3.getImm());
+ O << '\t' << getRegisterName(Dst.getReg())
+ << ", " << getRegisterName(MO1.getReg());
+
+ if (ARM_AM::getSORegShOp(MO2.getImm()) == ARM_AM::rrx) {
+ printAnnotation(O, Annot);
+ return;
}
+
+ O << ", #" << translateShiftImm(ARM_AM::getSORegOffset(MO2.getImm()));
+ printAnnotation(O, Annot);
return;
}
+
// A8.6.123 PUSH
if ((Opcode == ARM::STMDB_UPD || Opcode == ARM::t2STMDB_UPD) &&
MI->getOperand(0).getReg() == ARM::SP) {
@@ -74,6 +108,15 @@ void ARMInstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
O << ".w";
O << '\t';
printRegisterList(MI, 4, O);
+ printAnnotation(O, Annot);
+ return;
+ }
+ if (Opcode == ARM::STR_PRE_IMM && MI->getOperand(2).getReg() == ARM::SP &&
+ MI->getOperand(3).getImm() == -4) {
+ O << '\t' << "push";
+ printPredicateOperand(MI, 4, O);
+ O << "\t{" << getRegisterName(MI->getOperand(1).getReg()) << "}";
+ printAnnotation(O, Annot);
return;
}
@@ -86,8 +129,18 @@ void ARMInstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
O << ".w";
O << '\t';
printRegisterList(MI, 4, O);
+ printAnnotation(O, Annot);
return;
}
+ if (Opcode == ARM::LDR_POST_IMM && MI->getOperand(2).getReg() == ARM::SP &&
+ MI->getOperand(4).getImm() == 4) {
+ O << '\t' << "pop";
+ printPredicateOperand(MI, 5, O);
+ O << "\t{" << getRegisterName(MI->getOperand(0).getReg()) << "}";
+ printAnnotation(O, Annot);
+ return;
+ }
+
// A8.6.355 VPUSH
if ((Opcode == ARM::VSTMSDB_UPD || Opcode == ARM::VSTMDDB_UPD) &&
@@ -96,6 +149,7 @@ void ARMInstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
printPredicateOperand(MI, 2, O);
O << '\t';
printRegisterList(MI, 4, O);
+ printAnnotation(O, Annot);
return;
}
@@ -106,10 +160,40 @@ void ARMInstPrinter::printInst(const MCInst *MI, raw_ostream &O) {
printPredicateOperand(MI, 2, O);
O << '\t';
printRegisterList(MI, 4, O);
+ printAnnotation(O, Annot);
+ return;
+ }
+
+ if (Opcode == ARM::tLDMIA) {
+ bool Writeback = true;
+ unsigned BaseReg = MI->getOperand(0).getReg();
+ for (unsigned i = 3; i < MI->getNumOperands(); ++i) {
+ if (MI->getOperand(i).getReg() == BaseReg)
+ Writeback = false;
+ }
+
+ O << "\tldm";
+
+ printPredicateOperand(MI, 1, O);
+ O << '\t' << getRegisterName(BaseReg);
+ if (Writeback) O << "!";
+ O << ", ";
+ printRegisterList(MI, 3, O);
+ printAnnotation(O, Annot);
+ return;
+ }
+
+ // Thumb1 NOP
+ if (Opcode == ARM::tMOVr && MI->getOperand(0).getReg() == ARM::R8 &&
+ MI->getOperand(1).getReg() == ARM::R8) {
+ O << "\tnop";
+ printPredicateOperand(MI, 2, O);
+ printAnnotation(O, Annot);
return;
}
printInstruction(MI, O);
+ printAnnotation(O, Annot);
}
void ARMInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
@@ -122,16 +206,38 @@ void ARMInstPrinter::printOperand(const MCInst *MI, unsigned OpNo,
O << '#' << Op.getImm();
} else {
assert(Op.isExpr() && "unknown operand kind in printOperand");
- O << *Op.getExpr();
+ // If a symbolic branch target was added as a constant expression then print
+ // that address in hex.
+ const MCConstantExpr *BranchTarget = dyn_cast<MCConstantExpr>(Op.getExpr());
+ int64_t Address;
+ if (BranchTarget && BranchTarget->EvaluateAsAbsolute(Address)) {
+ O << "0x";
+ O.write_hex(Address);
+ }
+ else {
+ // Otherwise, just print the expression.
+ O << *Op.getExpr();
+ }
}
}
+void ARMInstPrinter::printT2LdrLabelOperand(const MCInst *MI, unsigned OpNum,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ if (MO1.isExpr())
+ O << *MO1.getExpr();
+ else if (MO1.isImm())
+ O << "[pc, #" << MO1.getImm() << "]";
+ else
+ llvm_unreachable("Unknown LDR label operand?");
+}
+
// so_reg is a 4-operand unit corresponding to register forms of the A5.1
// "Addressing Mode 1 - Data-processing operands" forms. This includes:
// REG 0 0 - e.g. R5
// REG REG 0,SH_OPC - e.g. R5, ROR R3
// REG 0 IMM,SH_OPC - e.g. R5, LSL #3
-void ARMInstPrinter::printSORegOperand(const MCInst *MI, unsigned OpNum,
+void ARMInstPrinter::printSORegRegOperand(const MCInst *MI, unsigned OpNum,
raw_ostream &O) {
const MCOperand &MO1 = MI->getOperand(OpNum);
const MCOperand &MO2 = MI->getOperand(OpNum+1);
@@ -144,14 +250,27 @@ void ARMInstPrinter::printSORegOperand(const MCInst *MI, unsigned OpNum,
O << ", " << ARM_AM::getShiftOpcStr(ShOpc);
if (ShOpc == ARM_AM::rrx)
return;
- if (MO2.getReg()) {
- O << ' ' << getRegisterName(MO2.getReg());
- assert(ARM_AM::getSORegOffset(MO3.getImm()) == 0);
- } else if (ShOpc != ARM_AM::rrx) {
- O << " #" << ARM_AM::getSORegOffset(MO3.getImm());
- }
+
+ O << ' ' << getRegisterName(MO2.getReg());
+ assert(ARM_AM::getSORegOffset(MO3.getImm()) == 0);
+}
+
+void ARMInstPrinter::printSORegImmOperand(const MCInst *MI, unsigned OpNum,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum+1);
+
+ O << getRegisterName(MO1.getReg());
+
+ // Print the shift opc.
+ ARM_AM::ShiftOpc ShOpc = ARM_AM::getSORegShOp(MO2.getImm());
+ O << ", " << ARM_AM::getShiftOpcStr(ShOpc);
+ if (ShOpc == ARM_AM::rrx)
+ return;
+ O << " #" << translateShiftImm(ARM_AM::getSORegOffset(MO2.getImm()));
}
+
//===--------------------------------------------------------------------===//
// Addressing Mode #2
//===--------------------------------------------------------------------===//
@@ -209,6 +328,22 @@ void ARMInstPrinter::printAM2PostIndexOp(const MCInst *MI, unsigned Op,
<< " #" << ShImm;
}
+void ARMInstPrinter::printAddrModeTBB(const MCInst *MI, unsigned Op,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(Op);
+ const MCOperand &MO2 = MI->getOperand(Op+1);
+ O << "[" << getRegisterName(MO1.getReg()) << ", "
+ << getRegisterName(MO2.getReg()) << "]";
+}
+
+void ARMInstPrinter::printAddrModeTBH(const MCInst *MI, unsigned Op,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(Op);
+ const MCOperand &MO2 = MI->getOperand(Op+1);
+ O << "[" << getRegisterName(MO1.getReg()) << ", "
+ << getRegisterName(MO2.getReg()) << ", lsl #1]";
+}
+
void ARMInstPrinter::printAddrMode2Operand(const MCInst *MI, unsigned Op,
raw_ostream &O) {
const MCOperand &MO1 = MI->getOperand(Op);
@@ -284,7 +419,7 @@ void ARMInstPrinter::printAM3PreOrOffsetIndexOp(const MCInst *MI, unsigned Op,
O << '[' << getRegisterName(MO1.getReg());
if (MO2.getReg()) {
- O << ", " << (char)ARM_AM::getAM3Op(MO3.getImm())
+ O << ", " << getAddrOpcStr(ARM_AM::getAM3Op(MO3.getImm()))
<< getRegisterName(MO2.getReg()) << ']';
return;
}
@@ -315,8 +450,8 @@ void ARMInstPrinter::printAddrMode3OffsetOperand(const MCInst *MI,
const MCOperand &MO2 = MI->getOperand(OpNum+1);
if (MO1.getReg()) {
- O << (char)ARM_AM::getAM3Op(MO2.getImm())
- << getRegisterName(MO1.getReg());
+ O << getAddrOpcStr(ARM_AM::getAM3Op(MO2.getImm()))
+ << getRegisterName(MO1.getReg());
return;
}
@@ -326,6 +461,31 @@ void ARMInstPrinter::printAddrMode3OffsetOperand(const MCInst *MI,
<< ImmOffs;
}
+void ARMInstPrinter::printPostIdxImm8Operand(const MCInst *MI,
+ unsigned OpNum,
+ raw_ostream &O) {
+ const MCOperand &MO = MI->getOperand(OpNum);
+ unsigned Imm = MO.getImm();
+ O << '#' << ((Imm & 256) ? "" : "-") << (Imm & 0xff);
+}
+
+void ARMInstPrinter::printPostIdxRegOperand(const MCInst *MI, unsigned OpNum,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum+1);
+
+ O << (MO2.getImm() ? "" : "-") << getRegisterName(MO1.getReg());
+}
+
+void ARMInstPrinter::printPostIdxImm8s4Operand(const MCInst *MI,
+ unsigned OpNum,
+ raw_ostream &O) {
+ const MCOperand &MO = MI->getOperand(OpNum);
+ unsigned Imm = MO.getImm();
+ O << '#' << ((Imm & 256) ? "" : "-") << ((Imm & 0xff) << 2);
+}
+
+
void ARMInstPrinter::printLdStmModeOperand(const MCInst *MI, unsigned OpNum,
raw_ostream &O) {
ARM_AM::AMSubMode Mode = ARM_AM::getAM4SubMode(MI->getOperand(OpNum)
@@ -345,7 +505,9 @@ void ARMInstPrinter::printAddrMode5Operand(const MCInst *MI, unsigned OpNum,
O << "[" << getRegisterName(MO1.getReg());
- if (unsigned ImmOffs = ARM_AM::getAM5Offset(MO2.getImm())) {
+ unsigned ImmOffs = ARM_AM::getAM5Offset(MO2.getImm());
+ unsigned Op = ARM_AM::getAM5Op(MO2.getImm());
+ if (ImmOffs || Op == ARM_AM::sub) {
O << ", #"
<< ARM_AM::getAddrOpcStr(ARM_AM::getAM5Op(MO2.getImm()))
<< ImmOffs * 4;
@@ -402,20 +564,31 @@ void ARMInstPrinter::printMemBOption(const MCInst *MI, unsigned OpNum,
void ARMInstPrinter::printShiftImmOperand(const MCInst *MI, unsigned OpNum,
raw_ostream &O) {
unsigned ShiftOp = MI->getOperand(OpNum).getImm();
- ARM_AM::ShiftOpc Opc = ARM_AM::getSORegShOp(ShiftOp);
- switch (Opc) {
- case ARM_AM::no_shift:
+ bool isASR = (ShiftOp & (1 << 5)) != 0;
+ unsigned Amt = ShiftOp & 0x1f;
+ if (isASR)
+ O << ", asr #" << (Amt == 0 ? 32 : Amt);
+ else if (Amt)
+ O << ", lsl #" << Amt;
+}
+
+void ARMInstPrinter::printPKHLSLShiftImm(const MCInst *MI, unsigned OpNum,
+ raw_ostream &O) {
+ unsigned Imm = MI->getOperand(OpNum).getImm();
+ if (Imm == 0)
return;
- case ARM_AM::lsl:
- O << ", lsl #";
- break;
- case ARM_AM::asr:
- O << ", asr #";
- break;
- default:
- assert(0 && "unexpected shift opcode for shift immediate operand");
- }
- O << ARM_AM::getSORegOffset(ShiftOp);
+ assert(Imm > 0 && Imm < 32 && "Invalid PKH shift immediate value!");
+ O << ", lsl #" << Imm;
+}
+
+void ARMInstPrinter::printPKHASRShiftImm(const MCInst *MI, unsigned OpNum,
+ raw_ostream &O) {
+ unsigned Imm = MI->getOperand(OpNum).getImm();
+ // A shift amount of 32 is encoded as 0.
+ if (Imm == 0)
+ Imm = 32;
+ assert(Imm > 0 && Imm <= 32 && "Invalid PKH shift immediate value!");
+ O << ", asr #" << Imm;
}
void ARMInstPrinter::printRegisterList(const MCInst *MI, unsigned OpNum,
@@ -450,6 +623,9 @@ void ARMInstPrinter::printCPSIFlag(const MCInst *MI, unsigned OpNum,
for (int i=2; i >= 0; --i)
if (IFlags & (1 << i))
O << ARM_PROC::IFlagsToString(1 << i);
+
+ if (IFlags == 0)
+ O << "none";
}
void ARMInstPrinter::printMSRMaskOperand(const MCInst *MI, unsigned OpNum,
@@ -458,10 +634,43 @@ void ARMInstPrinter::printMSRMaskOperand(const MCInst *MI, unsigned OpNum,
unsigned SpecRegRBit = Op.getImm() >> 4;
unsigned Mask = Op.getImm() & 0xf;
+ if (getAvailableFeatures() & ARM::FeatureMClass) {
+ switch (Op.getImm()) {
+ default: assert(0 && "Unexpected mask value!");
+ case 0: O << "apsr"; return;
+ case 1: O << "iapsr"; return;
+ case 2: O << "eapsr"; return;
+ case 3: O << "xpsr"; return;
+ case 5: O << "ipsr"; return;
+ case 6: O << "epsr"; return;
+ case 7: O << "iepsr"; return;
+ case 8: O << "msp"; return;
+ case 9: O << "psp"; return;
+ case 16: O << "primask"; return;
+ case 17: O << "basepri"; return;
+ case 18: O << "basepri_max"; return;
+ case 19: O << "faultmask"; return;
+ case 20: O << "control"; return;
+ }
+ }
+
+ // As special cases, CPSR_f, CPSR_s and CPSR_fs prefer printing as
+ // APSR_nzcvq, APSR_g and APSRnzcvqg, respectively.
+ if (!SpecRegRBit && (Mask == 8 || Mask == 4 || Mask == 12)) {
+ O << "APSR_";
+ switch (Mask) {
+ default: assert(0);
+ case 4: O << "g"; return;
+ case 8: O << "nzcvq"; return;
+ case 12: O << "nzcvqg"; return;
+ }
+ llvm_unreachable("Unexpected mask value!");
+ }
+
if (SpecRegRBit)
- O << "spsr";
+ O << "SPSR";
else
- O << "cpsr";
+ O << "CPSR";
if (Mask) {
O << '_';
@@ -501,15 +710,20 @@ void ARMInstPrinter::printNoHashImmediate(const MCInst *MI, unsigned OpNum,
}
void ARMInstPrinter::printPImmediate(const MCInst *MI, unsigned OpNum,
- raw_ostream &O) {
+ raw_ostream &O) {
O << "p" << MI->getOperand(OpNum).getImm();
}
void ARMInstPrinter::printCImmediate(const MCInst *MI, unsigned OpNum,
- raw_ostream &O) {
+ raw_ostream &O) {
O << "c" << MI->getOperand(OpNum).getImm();
}
+void ARMInstPrinter::printCoprocOptionImm(const MCInst *MI, unsigned OpNum,
+ raw_ostream &O) {
+ O << "{" << MI->getOperand(OpNum).getImm() << "}";
+}
+
void ARMInstPrinter::printPCLabel(const MCInst *MI, unsigned OpNum,
raw_ostream &O) {
llvm_unreachable("Unhandled PC-relative pseudo-instruction!");
@@ -517,7 +731,13 @@ void ARMInstPrinter::printPCLabel(const MCInst *MI, unsigned OpNum,
void ARMInstPrinter::printThumbS4ImmOperand(const MCInst *MI, unsigned OpNum,
raw_ostream &O) {
- O << "#" << MI->getOperand(OpNum).getImm() * 4;
+ O << "#" << MI->getOperand(OpNum).getImm() * 4;
+}
+
+void ARMInstPrinter::printThumbSRImm(const MCInst *MI, unsigned OpNum,
+ raw_ostream &O) {
+ unsigned Imm = MI->getOperand(OpNum).getImm();
+ O << "#" << (Imm == 0 ? 32 : Imm);
}
void ARMInstPrinter::printThumbITMask(const MCInst *MI, unsigned OpNum,
@@ -610,7 +830,7 @@ void ARMInstPrinter::printT2SOOperand(const MCInst *MI, unsigned OpNum,
ARM_AM::ShiftOpc ShOpc = ARM_AM::getSORegShOp(MO2.getImm());
O << ", " << ARM_AM::getShiftOpcStr(ShOpc);
if (ShOpc != ARM_AM::rrx)
- O << " #" << ARM_AM::getSORegOffset(MO2.getImm());
+ O << " #" << translateShiftImm(ARM_AM::getSORegOffset(MO2.getImm()));
}
void ARMInstPrinter::printAddrModeImm12Operand(const MCInst *MI, unsigned OpNum,
@@ -647,7 +867,9 @@ void ARMInstPrinter::printT2AddrModeImm8Operand(const MCInst *MI,
int32_t OffImm = (int32_t)MO2.getImm();
// Don't print +0.
- if (OffImm < 0)
+ if (OffImm == INT32_MIN)
+ O << ", #-0";
+ else if (OffImm < 0)
O << ", #-" << -OffImm;
else if (OffImm > 0)
O << ", #" << OffImm;
@@ -671,6 +893,18 @@ void ARMInstPrinter::printT2AddrModeImm8s4Operand(const MCInst *MI,
O << "]";
}
+void ARMInstPrinter::printT2AddrModeImm0_1020s4Operand(const MCInst *MI,
+ unsigned OpNum,
+ raw_ostream &O) {
+ const MCOperand &MO1 = MI->getOperand(OpNum);
+ const MCOperand &MO2 = MI->getOperand(OpNum+1);
+
+ O << "[" << getRegisterName(MO1.getReg());
+ if (MO2.getImm())
+ O << ", #" << MO2.getImm() * 4;
+ O << "]";
+}
+
void ARMInstPrinter::printT2AddrModeImm8OffsetOperand(const MCInst *MI,
unsigned OpNum,
raw_ostream &O) {
@@ -678,9 +912,9 @@ void ARMInstPrinter::printT2AddrModeImm8OffsetOperand(const MCInst *MI,
int32_t OffImm = (int32_t)MO1.getImm();
// Don't print +0.
if (OffImm < 0)
- O << "#-" << -OffImm;
- else if (OffImm > 0)
- O << "#" << OffImm;
+ O << ", #-" << -OffImm;
+ else
+ O << ", #" << OffImm;
}
void ARMInstPrinter::printT2AddrModeImm8s4OffsetOperand(const MCInst *MI,
@@ -689,10 +923,13 @@ void ARMInstPrinter::printT2AddrModeImm8s4OffsetOperand(const MCInst *MI,
const MCOperand &MO1 = MI->getOperand(OpNum);
int32_t OffImm = (int32_t)MO1.getImm() / 4;
// Don't print +0.
- if (OffImm < 0)
- O << "#-" << -OffImm * 4;
- else if (OffImm > 0)
- O << "#" << OffImm * 4;
+ if (OffImm != 0) {
+ O << ", ";
+ if (OffImm < 0)
+ O << "#-" << -OffImm * 4;
+ else if (OffImm > 0)
+ O << "#" << OffImm * 4;
+ }
}
void ARMInstPrinter::printT2AddrModeSoRegOperand(const MCInst *MI,
@@ -715,39 +952,10 @@ void ARMInstPrinter::printT2AddrModeSoRegOperand(const MCInst *MI,
O << "]";
}
-void ARMInstPrinter::printVFPf32ImmOperand(const MCInst *MI, unsigned OpNum,
- raw_ostream &O) {
- const MCOperand &MO = MI->getOperand(OpNum);
- O << '#';
- if (MO.isFPImm()) {
- O << (float)MO.getFPImm();
- } else {
- union {
- uint32_t I;
- float F;
- } FPUnion;
-
- FPUnion.I = MO.getImm();
- O << FPUnion.F;
- }
-}
-
-void ARMInstPrinter::printVFPf64ImmOperand(const MCInst *MI, unsigned OpNum,
- raw_ostream &O) {
+void ARMInstPrinter::printFPImmOperand(const MCInst *MI, unsigned OpNum,
+ raw_ostream &O) {
const MCOperand &MO = MI->getOperand(OpNum);
- O << '#';
- if (MO.isFPImm()) {
- O << MO.getFPImm();
- } else {
- // We expect the binary encoding of a floating point number here.
- union {
- uint64_t I;
- double D;
- } FPUnion;
-
- FPUnion.I = MO.getImm();
- O << FPUnion.D;
- }
+ O << '#' << ARM_AM::getFPImmFloat(MO.getImm());
}
void ARMInstPrinter::printNEONModImmOperand(const MCInst *MI, unsigned OpNum,
@@ -757,3 +965,28 @@ void ARMInstPrinter::printNEONModImmOperand(const MCInst *MI, unsigned OpNum,
uint64_t Val = ARM_AM::decodeNEONModImm(EncodedImm, EltBits);
O << "#0x" << utohexstr(Val);
}
+
+void ARMInstPrinter::printImmPlusOneOperand(const MCInst *MI, unsigned OpNum,
+ raw_ostream &O) {
+ unsigned Imm = MI->getOperand(OpNum).getImm();
+ O << "#" << Imm + 1;
+}
+
+void ARMInstPrinter::printRotImmOperand(const MCInst *MI, unsigned OpNum,
+ raw_ostream &O) {
+ unsigned Imm = MI->getOperand(OpNum).getImm();
+ if (Imm == 0)
+ return;
+ O << ", ror #";
+ switch (Imm) {
+ default: assert (0 && "illegal ror immediate!");
+ case 1: O << "8"; break;
+ case 2: O << "16"; break;
+ case 3: O << "24"; break;
+ }
+}
+
+void ARMInstPrinter::printVectorIndex(const MCInst *MI, unsigned OpNum,
+ raw_ostream &O) {
+ O << "[" << MI->getOperand(OpNum).getImm() << "]";
+}
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