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authorSimon Pilgrim <llvm-dev@redking.me.uk>2018-03-22 13:36:06 +0000
committerSimon Pilgrim <llvm-dev@redking.me.uk>2018-03-22 13:36:06 +0000
commit6bdd6b32fd89e225b7be56c2e328df7c8edc950f (patch)
tree3c8e2b8e4ce9f50d600538deb1ba82917a0d366e
parent7684e055b34935b29e4fb355fde9630c55a88bb2 (diff)
downloadbcm5719-llvm-6bdd6b32fd89e225b7be56c2e328df7c8edc950f.tar.gz
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[X86][CLMUL] Fix/add missing itinerary tags to (V)PCLMULQDQ instructions
PCLMULQDQrm was using the rr itinerary. Difference in itineraries between PCLMULQDQ/VPCLMULQDQ variants was causing an unnecessary duplication of scheduler class entries. llvm-svn: 328193
-rw-r--r--llvm/lib/Target/X86/X86InstrSSE.td8
1 files changed, 4 insertions, 4 deletions
diff --git a/llvm/lib/Target/X86/X86InstrSSE.td b/llvm/lib/Target/X86/X86InstrSSE.td
index 5be6de8d4bd..231e300f35e 100644
--- a/llvm/lib/Target/X86/X86InstrSSE.td
+++ b/llvm/lib/Target/X86/X86InstrSSE.td
@@ -7330,7 +7330,7 @@ let Predicates = [NoAVX, HasPCLMUL] in {
[(set VR128:$dst,
(int_x86_pclmulqdq VR128:$src1, (memopv2i64 addr:$src2),
imm:$src3))],
- IIC_SSE_PCLMULQDQ_RR>, Sched<[WriteCLMulLd, ReadAfterLd]>;
+ IIC_SSE_PCLMULQDQ_RM>, Sched<[WriteCLMulLd, ReadAfterLd]>;
} // Constraints = "$src1 = $dst"
def : Pat<(int_x86_pclmulqdq (memopv2i64 addr:$src2), VR128:$src1,
@@ -7358,15 +7358,15 @@ multiclass vpclmulqdq<RegisterClass RC, X86MemOperand MemOp,
(ins RC:$src1, RC:$src2, u8imm:$src3),
"vpclmulqdq\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}",
[(set RC:$dst,
- (IntId RC:$src1, RC:$src2, imm:$src3))]>,
+ (IntId RC:$src1, RC:$src2, imm:$src3))], IIC_SSE_PCLMULQDQ_RR>,
Sched<[WriteCLMul]>;
def rm : PCLMULIi8<0x44, MRMSrcMem, (outs RC:$dst),
(ins RC:$src1, MemOp:$src2, u8imm:$src3),
"vpclmulqdq\t{$src3, $src2, $src1, $dst|$dst, $src1, $src2, $src3}",
[(set RC:$dst,
- (IntId RC:$src1, (LdFrag addr:$src2), imm:$src3))]>,
- Sched<[WriteCLMulLd, ReadAfterLd]>;
+ (IntId RC:$src1, (LdFrag addr:$src2), imm:$src3))],
+ IIC_SSE_PCLMULQDQ_RM>, Sched<[WriteCLMulLd, ReadAfterLd]>;
// We can commute a load in the first operand by swapping the sources and
// rotating the immediate.
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