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Prevent extra calls to ToggleFeature for Feature64Bit and FeatureCMOV if they've already been enabled. The extra call ends up clearing the bit in FeatureBits since its a 'toggle'. Can't prove that anything was broken because of this since I don't think the FeatureBits for these are used.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190920 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper 2013-09-18 06:01:53 +00:00
parent 773c07606e
commit 4284855391
1 changed files with 2 additions and 2 deletions
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4
lib/Target/X86/X86Subtarget.cpp
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@ -440,8 +440,8 @@ void X86Subtarget::resetSubtargetFeatures(StringRef CPU, StringRef FS) {
// Make sure 64-bit features are available in 64-bit mode.
if (In64BitMode) {
HasX86_64 = true; ToggleFeature(X86::Feature64Bit);
HasCMov = true; ToggleFeature(X86::FeatureCMOV);
if (!HasX86_64) { HasX86_64 = true; ToggleFeature(X86::Feature64Bit); }
if (!HasCMov) { HasCMov = true; ToggleFeature(X86::FeatureCMOV); }
if (X86SSELevel < SSE2) {
X86SSELevel = SSE2;