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| author | Benjamin Kramer <benny.kra@googlemail.com> | 2013-02-23 10:40:58 +0000 |
|---|---|---|
| committer | Benjamin Kramer <benny.kra@googlemail.com> | 2013-02-23 10:40:58 +0000 |
| commit | ee23dcb461f0365181fe804bbf08fe7dfe5681c9 (patch) | |
| tree | 7882bf55ddcf445976dcc5489a09fd3dca0bd544 /llvm/lib | |
| parent | 63acc73f21fcfb65c06847057a1cd03d02bb7218 (diff) | |
| download | bcm5719-llvm-ee23dcb461f0365181fe804bbf08fe7dfe5681c9.tar.gz bcm5719-llvm-ee23dcb461f0365181fe804bbf08fe7dfe5681c9.zip | |
X86: Disable cmov-memory patterns on subtargets without cmov.
Fixes PR15115.
llvm-svn: 175962
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/X86/X86InstrCompiler.td | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/llvm/lib/Target/X86/X86InstrCompiler.td b/llvm/lib/Target/X86/X86InstrCompiler.td index f3879628c5c..734e5982b2a 100644 --- a/llvm/lib/Target/X86/X86InstrCompiler.td +++ b/llvm/lib/Target/X86/X86InstrCompiler.td @@ -1081,12 +1081,14 @@ def : Pat<(X86cmp GR64:$src1, 0), // inverted. multiclass CMOVmr<PatLeaf InvertedCond, Instruction Inst16, Instruction Inst32, Instruction Inst64> { - def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, InvertedCond, EFLAGS), - (Inst16 GR16:$src2, addr:$src1)>; - def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, InvertedCond, EFLAGS), - (Inst32 GR32:$src2, addr:$src1)>; - def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, InvertedCond, EFLAGS), - (Inst64 GR64:$src2, addr:$src1)>; + let Predicates = [HasCMov] in { + def : Pat<(X86cmov (loadi16 addr:$src1), GR16:$src2, InvertedCond, EFLAGS), + (Inst16 GR16:$src2, addr:$src1)>; + def : Pat<(X86cmov (loadi32 addr:$src1), GR32:$src2, InvertedCond, EFLAGS), + (Inst32 GR32:$src2, addr:$src1)>; + def : Pat<(X86cmov (loadi64 addr:$src1), GR64:$src2, InvertedCond, EFLAGS), + (Inst64 GR64:$src2, addr:$src1)>; + } } defm : CMOVmr<X86_COND_B , CMOVAE16rm, CMOVAE32rm, CMOVAE64rm>; |
