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Don't emit two comparisons when comparing a FP value against zero!

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20651 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-03-17 16:29:26 +00:00
parent 8f45731da5
commit 7805fa4acc
1 changed files with 1 additions and 0 deletions
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lib/Target/X86/X86ISelPattern.cpp
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@ -1078,6 +1078,7 @@ void ISel::EmitCMP(SDOperand LHS, SDOperand RHS, bool HasOneUse) {
BuildMI(BB, X86::FTST, 1).addReg(Reg);
BuildMI(BB, X86::FNSTSW8r, 0);
BuildMI(BB, X86::SAHF, 1);
return;
}
}