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| author | Craig Topper <craig.topper@gmail.com> | 2012-08-31 16:31:13 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2012-08-31 16:31:13 +0000 |
| commit | cb0848696d3ec604a00e7d88081a4d6c61a0dddd (patch) | |
| tree | 1e4214113e2861bfd86c2d920cd5d20311200a31 /lib/Target | |
| parent | 89b2ff0b5c9383ed574205b1e9a42089ee9e6861 (diff) | |
| download | external_llvm-cb0848696d3ec604a00e7d88081a4d6c61a0dddd.zip external_llvm-cb0848696d3ec604a00e7d88081a4d6c61a0dddd.tar.gz external_llvm-cb0848696d3ec604a00e7d88081a4d6c61a0dddd.tar.bz2 | |
Mark FMA3 instructions as commutable so that the operands to the multiply part can be commuted.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163001 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target')
| -rw-r--r-- | lib/Target/X86/X86InstrFMA.td | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/X86/X86InstrFMA.td b/lib/Target/X86/X86InstrFMA.td index f99440d..f9823fb 100644 --- a/lib/Target/X86/X86InstrFMA.td +++ b/lib/Target/X86/X86InstrFMA.td @@ -20,6 +20,7 @@ multiclass fma3p_rm<bits<8> opc, string OpcodeStr, PatFrag MemFrag128, PatFrag MemFrag256, ValueType OpVT128, ValueType OpVT256, SDPatternOperator Op = null_frag> { + let isCommutable = 1 in def r : FMA3<opc, MRMSrcReg, (outs VR128:$dst), (ins VR128:$src1, VR128:$src2, VR128:$src3), !strconcat(OpcodeStr, @@ -35,6 +36,7 @@ multiclass fma3p_rm<bits<8> opc, string OpcodeStr, [(set VR128:$dst, (OpVT128 (Op VR128:$src2, VR128:$src1, (MemFrag128 addr:$src3))))]>; + let isCommutable = 1 in def rY : FMA3<opc, MRMSrcReg, (outs VR256:$dst), (ins VR256:$src1, VR256:$src2, VR256:$src3), !strconcat(OpcodeStr, @@ -116,6 +118,7 @@ let Constraints = "$src1 = $dst" in { multiclass fma3s_rm<bits<8> opc, string OpcodeStr, X86MemOperand x86memop, RegisterClass RC, ValueType OpVT, PatFrag mem_frag, SDPatternOperator OpNode = null_frag> { + let isCommutable = 1 in def r : FMA3<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2, RC:$src3), !strconcat(OpcodeStr, @@ -135,6 +138,7 @@ multiclass fma3s_rm<bits<8> opc, string OpcodeStr, X86MemOperand x86memop, multiclass fma3s_rm_int<bits<8> opc, string OpcodeStr, Operand memop, ComplexPattern mem_cpat, Intrinsic IntId, RegisterClass RC> { + let isCommutable = 1 in def r_Int : FMA3<opc, MRMSrcReg, (outs VR128:$dst), (ins VR128:$src1, VR128:$src2, VR128:$src3), !strconcat(OpcodeStr, |