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| author | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-03-22 13:36:06 +0000 |
|---|---|---|
| committer | Simon Pilgrim <llvm-dev@redking.me.uk> | 2018-03-22 13:36:06 +0000 |
| commit | 6bdd6b32fd89e225b7be56c2e328df7c8edc950f (patch) | |
| tree | 3c8e2b8e4ce9f50d600538deb1ba82917a0d366e | |
| parent | 7684e055b34935b29e4fb355fde9630c55a88bb2 (diff) | |
| download | bcm5719-llvm-6bdd6b32fd89e225b7be56c2e328df7c8edc950f.tar.gz bcm5719-llvm-6bdd6b32fd89e225b7be56c2e328df7c8edc950f.zip | |
[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.td | 8 |
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. |

