diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrFMA.td | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86InstrFMA.td b/llvm/lib/Target/X86/X86InstrFMA.td index 3dd642f2cff..0b57382d956 100644 --- a/llvm/lib/Target/X86/X86InstrFMA.td +++ b/llvm/lib/Target/X86/X86InstrFMA.td @@ -17,6 +17,7 @@ let Constraints = "$src1 = $dst" in { multiclass fma3p_rm<bits<8> opc, string OpcodeStr> { +let neverHasSideEffects = 1 in { def r : FMA3<opc, MRMSrcReg, (outs VR128:$dst), (ins VR128:$src1, VR128:$src2, VR128:$src3), !strconcat(OpcodeStr, "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), @@ -35,6 +36,7 @@ multiclass fma3p_rm<bits<8> opc, string OpcodeStr> { (ins VR256:$src1, VR256:$src2, f256mem:$src3), !strconcat(OpcodeStr, "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), []>; +} // neverHasSideEffects = 1 } // Intrinsic for 132 pattern @@ -117,14 +119,17 @@ let ExeDomain = SSEPackedDouble in { let Constraints = "$src1 = $dst" in { multiclass fma3s_rm<bits<8> opc, string OpcodeStr, X86MemOperand x86memop, RegisterClass RC> { +let neverHasSideEffects = 1 in { def r : FMA3<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2, RC:$src3), !strconcat(OpcodeStr, "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), []>; + let mayLoad = 1 in def m : FMA3<opc, MRMSrcMem, (outs RC:$dst), (ins RC:$src1, RC:$src2, x86memop:$src3), !strconcat(OpcodeStr, "\t{$src3, $src2, $dst|$dst, $src2, $src3}"), []>; +} // neverHasSideEffects = 1 } multiclass fma3s_rm_int<bits<8> opc, string OpcodeStr, X86MemOperand x86memop, |
