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authorChris Lattner <sabre@nondot.org>2005-03-17 16:29:26 +0000
committerChris Lattner <sabre@nondot.org>2005-03-17 16:29:26 +0000
commit7805fa4acc85712c8c9d931f03dfc5888caed6d8 (patch)
tree298a59655a8090487cf7a1316beee0f90414f324
parent8f45731da5ce79624b5212b724e7ec5a1f2996fa (diff)
Don't emit two comparisons when comparing a FP value against zero!
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20651 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--lib/Target/X86/X86ISelPattern.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/Target/X86/X86ISelPattern.cpp b/lib/Target/X86/X86ISelPattern.cpp
index 9b68ad8b02..4ae21305b7 100644
--- a/lib/Target/X86/X86ISelPattern.cpp
+++ b/lib/Target/X86/X86ISelPattern.cpp
@@ -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;
}
}