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-rw-r--r--contrib/llvm/lib/Target/ARM/ARMInstrNEON.td125
1 files changed, 117 insertions, 8 deletions
diff --git a/contrib/llvm/lib/Target/ARM/ARMInstrNEON.td b/contrib/llvm/lib/Target/ARM/ARMInstrNEON.td
index 048d340..3cf213c 100644
--- a/contrib/llvm/lib/Target/ARM/ARMInstrNEON.td
+++ b/contrib/llvm/lib/Target/ARM/ARMInstrNEON.td
@@ -398,6 +398,20 @@ def VecListFourQWordIndexed : Operand<i32> {
let MIOperandInfo = (ops DPR:$Vd, i32imm:$idx);
}
+def dword_alignedload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
+ return cast<LoadSDNode>(N)->getAlignment() >= 8;
+}]>;
+def dword_alignedstore : PatFrag<(ops node:$val, node:$ptr),
+ (store node:$val, node:$ptr), [{
+ return cast<StoreSDNode>(N)->getAlignment() >= 8;
+}]>;
+def word_alignedload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
+ return cast<LoadSDNode>(N)->getAlignment() == 4;
+}]>;
+def word_alignedstore : PatFrag<(ops node:$val, node:$ptr),
+ (store node:$val, node:$ptr), [{
+ return cast<StoreSDNode>(N)->getAlignment() == 4;
+}]>;
def hword_alignedload : PatFrag<(ops node:$ptr), (load node:$ptr), [{
return cast<LoadSDNode>(N)->getAlignment() == 2;
}]>;
@@ -1980,7 +1994,7 @@ def VST1LNd8 : VST1LN<0b0000, {?,?,?,0}, "8", v8i8, truncstorei8,
def VST1LNd16 : VST1LN<0b0100, {?,?,0,?}, "16", v4i16, truncstorei16,
NEONvgetlaneu, addrmode6> {
let Inst{7-6} = lane{1-0};
- let Inst{4} = Rn{5};
+ let Inst{4} = Rn{4};
}
def VST1LNd32 : VST1LN<0b1000, {?,0,?,?}, "32", v2i32, store, extractelt,
@@ -2023,7 +2037,7 @@ def VST1LNd8_UPD : VST1LNWB<0b0000, {?,?,?,0}, "8", v8i8, post_truncsti8,
def VST1LNd16_UPD : VST1LNWB<0b0100, {?,?,0,?}, "16", v4i16, post_truncsti16,
NEONvgetlaneu, addrmode6> {
let Inst{7-6} = lane{1-0};
- let Inst{4} = Rn{5};
+ let Inst{4} = Rn{4};
}
def VST1LNd32_UPD : VST1LNWB<0b1000, {?,0,?,?}, "32", v2i32, post_store,
extractelt, addrmode6oneL32> {
@@ -2273,6 +2287,25 @@ def : Pat<(f64 (non_word_alignedload addrmode6:$addr)),
def : Pat<(non_word_alignedstore (f64 DPR:$value), addrmode6:$addr),
(VST1d64 addrmode6:$addr, DPR:$value)>, Requires<[IsBE]>;
+// Use vld1/vst1 for Q and QQ. Also use them for unaligned v2f64
+// load / store if it's legal.
+def : Pat<(v2f64 (dword_alignedload addrmode6:$addr)),
+ (VLD1q64 addrmode6:$addr)>;
+def : Pat<(dword_alignedstore (v2f64 QPR:$value), addrmode6:$addr),
+ (VST1q64 addrmode6:$addr, QPR:$value)>;
+def : Pat<(v2f64 (word_alignedload addrmode6:$addr)),
+ (VLD1q32 addrmode6:$addr)>;
+def : Pat<(word_alignedstore (v2f64 QPR:$value), addrmode6:$addr),
+ (VST1q32 addrmode6:$addr, QPR:$value)>;
+def : Pat<(v2f64 (hword_alignedload addrmode6:$addr)),
+ (VLD1q16 addrmode6:$addr)>, Requires<[IsLE]>;
+def : Pat<(hword_alignedstore (v2f64 QPR:$value), addrmode6:$addr),
+ (VST1q16 addrmode6:$addr, QPR:$value)>, Requires<[IsLE]>;
+def : Pat<(v2f64 (byte_alignedload addrmode6:$addr)),
+ (VLD1q8 addrmode6:$addr)>, Requires<[IsLE]>;
+def : Pat<(byte_alignedstore (v2f64 QPR:$value), addrmode6:$addr),
+ (VST1q8 addrmode6:$addr, QPR:$value)>, Requires<[IsLE]>;
+
//===----------------------------------------------------------------------===//
// NEON pattern fragments
//===----------------------------------------------------------------------===//
@@ -4455,10 +4488,36 @@ def VBSLd : N3VX<1, 0, 0b01, 0b0001, 0, 1, (outs DPR:$Vd),
"vbsl", "$Vd, $Vn, $Vm", "$src1 = $Vd",
[(set DPR:$Vd,
(v2i32 (NEONvbsl DPR:$src1, DPR:$Vn, DPR:$Vm)))]>;
+def : Pat<(v8i8 (int_arm_neon_vbsl (v8i8 DPR:$src1),
+ (v8i8 DPR:$Vn), (v8i8 DPR:$Vm))),
+ (VBSLd DPR:$src1, DPR:$Vn, DPR:$Vm)>,
+ Requires<[HasNEON]>;
+def : Pat<(v4i16 (int_arm_neon_vbsl (v4i16 DPR:$src1),
+ (v4i16 DPR:$Vn), (v4i16 DPR:$Vm))),
+ (VBSLd DPR:$src1, DPR:$Vn, DPR:$Vm)>,
+ Requires<[HasNEON]>;
+def : Pat<(v2i32 (int_arm_neon_vbsl (v2i32 DPR:$src1),
+ (v2i32 DPR:$Vn), (v2i32 DPR:$Vm))),
+ (VBSLd DPR:$src1, DPR:$Vn, DPR:$Vm)>,
+ Requires<[HasNEON]>;
+def : Pat<(v2f32 (int_arm_neon_vbsl (v2f32 DPR:$src1),
+ (v2f32 DPR:$Vn), (v2f32 DPR:$Vm))),
+ (VBSLd DPR:$src1, DPR:$Vn, DPR:$Vm)>,
+ Requires<[HasNEON]>;
+def : Pat<(v1i64 (int_arm_neon_vbsl (v1i64 DPR:$src1),
+ (v1i64 DPR:$Vn), (v1i64 DPR:$Vm))),
+ (VBSLd DPR:$src1, DPR:$Vn, DPR:$Vm)>,
+ Requires<[HasNEON]>;
def : Pat<(v2i32 (or (and DPR:$Vn, DPR:$Vd),
(and DPR:$Vm, (vnotd DPR:$Vd)))),
- (VBSLd DPR:$Vd, DPR:$Vn, DPR:$Vm)>;
+ (VBSLd DPR:$Vd, DPR:$Vn, DPR:$Vm)>,
+ Requires<[HasNEON]>;
+
+def : Pat<(v1i64 (or (and DPR:$Vn, DPR:$Vd),
+ (and DPR:$Vm, (vnotd DPR:$Vd)))),
+ (VBSLd DPR:$Vd, DPR:$Vn, DPR:$Vm)>,
+ Requires<[HasNEON]>;
def VBSLq : N3VX<1, 0, 0b01, 0b0001, 1, 1, (outs QPR:$Vd),
(ins QPR:$src1, QPR:$Vn, QPR:$Vm),
@@ -4467,9 +4526,35 @@ def VBSLq : N3VX<1, 0, 0b01, 0b0001, 1, 1, (outs QPR:$Vd),
[(set QPR:$Vd,
(v4i32 (NEONvbsl QPR:$src1, QPR:$Vn, QPR:$Vm)))]>;
+def : Pat<(v16i8 (int_arm_neon_vbsl (v16i8 QPR:$src1),
+ (v16i8 QPR:$Vn), (v16i8 QPR:$Vm))),
+ (VBSLq QPR:$src1, QPR:$Vn, QPR:$Vm)>,
+ Requires<[HasNEON]>;
+def : Pat<(v8i16 (int_arm_neon_vbsl (v8i16 QPR:$src1),
+ (v8i16 QPR:$Vn), (v8i16 QPR:$Vm))),
+ (VBSLq QPR:$src1, QPR:$Vn, QPR:$Vm)>,
+ Requires<[HasNEON]>;
+def : Pat<(v4i32 (int_arm_neon_vbsl (v4i32 QPR:$src1),
+ (v4i32 QPR:$Vn), (v4i32 QPR:$Vm))),
+ (VBSLq QPR:$src1, QPR:$Vn, QPR:$Vm)>,
+ Requires<[HasNEON]>;
+def : Pat<(v4f32 (int_arm_neon_vbsl (v4f32 QPR:$src1),
+ (v4f32 QPR:$Vn), (v4f32 QPR:$Vm))),
+ (VBSLq QPR:$src1, QPR:$Vn, QPR:$Vm)>,
+ Requires<[HasNEON]>;
+def : Pat<(v2i64 (int_arm_neon_vbsl (v2i64 QPR:$src1),
+ (v2i64 QPR:$Vn), (v2i64 QPR:$Vm))),
+ (VBSLq QPR:$src1, QPR:$Vn, QPR:$Vm)>,
+ Requires<[HasNEON]>;
+
def : Pat<(v4i32 (or (and QPR:$Vn, QPR:$Vd),
(and QPR:$Vm, (vnotq QPR:$Vd)))),
- (VBSLq QPR:$Vd, QPR:$Vn, QPR:$Vm)>;
+ (VBSLq QPR:$Vd, QPR:$Vn, QPR:$Vm)>,
+ Requires<[HasNEON]>;
+def : Pat<(v2i64 (or (and QPR:$Vn, QPR:$Vd),
+ (and QPR:$Vm, (vnotq QPR:$Vd)))),
+ (VBSLq QPR:$Vd, QPR:$Vn, QPR:$Vm)>,
+ Requires<[HasNEON]>;
// VBIF : Vector Bitwise Insert if False
// like VBSL but with: "vbif $dst, $src3, $src1", "$src2 = $dst",
@@ -4983,7 +5068,8 @@ def VGETLNi32 : NVGetLane<{1,1,1,0,0,0,?,1}, 0b1011, 0b00,
(outs GPR:$R), (ins DPR:$V, VectorIndex32:$lane),
IIC_VMOVSI, "vmov", "32", "$R, $V$lane",
[(set GPR:$R, (extractelt (v2i32 DPR:$V),
- imm:$lane))]> {
+ imm:$lane))]>,
+ Requires<[HasNEON, HasFastVGETLNi32]> {
let Inst{21} = lane{0};
}
// def VGETLNf32: see FMRDH and FMRDL in ARMInstrVFP.td
@@ -5006,7 +5092,16 @@ def : Pat<(NEONvgetlaneu (v8i16 QPR:$src), imm:$lane),
def : Pat<(extractelt (v4i32 QPR:$src), imm:$lane),
(VGETLNi32 (v2i32 (EXTRACT_SUBREG QPR:$src,
(DSubReg_i32_reg imm:$lane))),
- (SubReg_i32_lane imm:$lane))>;
+ (SubReg_i32_lane imm:$lane))>,
+ Requires<[HasNEON, HasFastVGETLNi32]>;
+def : Pat<(extractelt (v2i32 DPR:$src), imm:$lane),
+ (COPY_TO_REGCLASS
+ (i32 (EXTRACT_SUBREG DPR:$src, (SSubReg_f32_reg imm:$lane))), GPR)>,
+ Requires<[HasNEON, HasSlowVGETLNi32]>;
+def : Pat<(extractelt (v4i32 QPR:$src), imm:$lane),
+ (COPY_TO_REGCLASS
+ (i32 (EXTRACT_SUBREG QPR:$src, (SSubReg_f32_reg imm:$lane))), GPR)>,
+ Requires<[HasNEON, HasSlowVGETLNi32]>;
def : Pat<(extractelt (v2f32 DPR:$src1), imm:$src2),
(EXTRACT_SUBREG (v2f32 (COPY_TO_REGCLASS (v2f32 DPR:$src1),DPR_VFP2)),
(SSubReg_f32_reg imm:$src2))>;
@@ -5117,14 +5212,23 @@ class VDUPQ<bits<8> opcod1, bits<2> opcod3, string Dt, ValueType Ty>
def VDUP8d : VDUPD<0b11101100, 0b00, "8", v8i8>;
def VDUP16d : VDUPD<0b11101000, 0b01, "16", v4i16>;
-def VDUP32d : VDUPD<0b11101000, 0b00, "32", v2i32>;
+def VDUP32d : VDUPD<0b11101000, 0b00, "32", v2i32>,
+ Requires<[HasNEON, HasFastVDUP32]>;
def VDUP8q : VDUPQ<0b11101110, 0b00, "8", v16i8>;
def VDUP16q : VDUPQ<0b11101010, 0b01, "16", v8i16>;
def VDUP32q : VDUPQ<0b11101010, 0b00, "32", v4i32>;
-def : Pat<(v2f32 (NEONvdup (f32 (bitconvert GPR:$R)))), (VDUP32d GPR:$R)>;
+// NEONvdup patterns for uarchs with fast VDUP.32.
+def : Pat<(v2f32 (NEONvdup (f32 (bitconvert GPR:$R)))), (VDUP32d GPR:$R)>,
+ Requires<[HasNEON,HasFastVDUP32]>;
def : Pat<(v4f32 (NEONvdup (f32 (bitconvert GPR:$R)))), (VDUP32q GPR:$R)>;
+// NEONvdup patterns for uarchs with slow VDUP.32 - use VMOVDRR instead.
+def : Pat<(v2i32 (NEONvdup (i32 GPR:$R))), (VMOVDRR GPR:$R, GPR:$R)>,
+ Requires<[HasNEON,HasSlowVDUP32]>;
+def : Pat<(v2f32 (NEONvdup (f32 (bitconvert GPR:$R)))), (VMOVDRR GPR:$R, GPR:$R)>,
+ Requires<[HasNEON,HasSlowVDUP32]>;
+
// VDUP : Vector Duplicate Lane (from scalar to all elements)
class VDUPLND<bits<4> op19_16, string OpcodeStr, string Dt,
@@ -5561,6 +5665,11 @@ def : N2VSPat<arm_ftoui, VCVTf2ud>;
def : N2VSPat<arm_sitof, VCVTs2fd>;
def : N2VSPat<arm_uitof, VCVTu2fd>;
+// Prefer VMOVDRR for i32 -> f32 bitcasts, it can write all DPR registers.
+def : Pat<(f32 (bitconvert GPR:$a)),
+ (EXTRACT_SUBREG (VMOVDRR GPR:$a, GPR:$a), ssub_0)>,
+ Requires<[HasNEON, DontUseVMOVSR]>;
+
//===----------------------------------------------------------------------===//
// Non-Instruction Patterns
//===----------------------------------------------------------------------===//
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