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X86 shifts mask the amount. 

llvm-svn: 19678
This commit is contained in:
Chris Lattner 2005-01-19 03:36:30 +00:00
parent a05cd83d2f
commit d8d306601a
1 changed files with 1 additions and 0 deletions
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llvm/lib/Target/X86/X86ISelPattern.cpp
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@ -43,6 +43,7 @@ namespace {
// X86 is wierd, it always uses i8 for shift amounts and setcc results. // X86 is wierd, it always uses i8 for shift amounts and setcc results.
setShiftAmountType(MVT::i8); setShiftAmountType(MVT::i8);
setSetCCResultType(MVT::i8); setSetCCResultType(MVT::i8);
setShiftAmountFlavor(Mask); // shl X, 32 == shl X, 0
// Set up the register classes. // Set up the register classes.
addRegisterClass(MVT::i8, X86::R8RegisterClass); addRegisterClass(MVT::i8, X86::R8RegisterClass);