diff options
| author | Craig Topper <craig.topper@gmail.com> | 2012-12-26 21:30:22 +0000 |
|---|---|---|
| committer | Craig Topper <craig.topper@gmail.com> | 2012-12-26 21:30:22 +0000 |
| commit | 37cb8398c8d5043f395a6c76d7591301b2efe196 (patch) | |
| tree | 789118ca72944f8438bb03ba5aecd5df12c8018c /lib/Target/X86/X86InstrFMA.td | |
| parent | a85cbfeba79263a6afc5543de21a5cea83dcfa9e (diff) | |
| download | llvm-37cb8398c8d5043f395a6c76d7591301b2efe196.tar.gz llvm-37cb8398c8d5043f395a6c76d7591301b2efe196.tar.bz2 llvm-37cb8398c8d5043f395a6c76d7591301b2efe196.tar.xz | |
Mark all the _REV instructions as not having side effects. They aren't really emitted by the backend, but it reduces the number of instructions in the output files with unmodelled side effects to make auditing easier.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171118 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/X86/X86InstrFMA.td')
| -rw-r--r-- | lib/Target/X86/X86InstrFMA.td | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Target/X86/X86InstrFMA.td b/lib/Target/X86/X86InstrFMA.td index d360a73b34..f48f133b12 100644 --- a/lib/Target/X86/X86InstrFMA.td +++ b/lib/Target/X86/X86InstrFMA.td @@ -220,7 +220,7 @@ multiclass fma4s<bits<8> opc, string OpcodeStr, RegisterClass RC, [(set RC:$dst, (OpNode RC:$src1, (mem_frag addr:$src2), RC:$src3))]>; // For disassembler -let isCodeGenOnly = 1 in +let isCodeGenOnly = 1, hasSideEffects = 0 in def rr_REV : FMA4<opc, MRMSrcReg, (outs RC:$dst), (ins RC:$src1, RC:$src2, RC:$src3), !strconcat(OpcodeStr, @@ -294,7 +294,7 @@ multiclass fma4p<bits<8> opc, string OpcodeStr, SDNode OpNode, [(set VR256:$dst, (OpNode VR256:$src1, (ld_frag256 addr:$src2), VR256:$src3))]>, VEX_L; // For disassembler -let isCodeGenOnly = 1 in { +let isCodeGenOnly = 1, hasSideEffects = 0 in { def rr_REV : FMA4<opc, MRMSrcReg, (outs VR128:$dst), (ins VR128:$src1, VR128:$src2, VR128:$src3), !strconcat(OpcodeStr, |