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Revert "Use std::bitset for SubtargetFeatures"

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This reverts commit r233055.

It still causes buildbot failures (gcc running out of memory on several platforms, and a self-host failure on arm), although less than the previous time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233068 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Kuperstein
2015-03-24 12:56:59 +00:00
parent 9990bb34aa
commit 765aab84d6
33 changed files with 308 additions and 348 deletions
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9
lib/MC/MCSubtargetInfo.cpp
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@@ -63,19 +63,14 @@ MCSubtargetInfo::InitMCSubtargetInfo(StringRef TT, StringRef C, StringRef FS,
/// ToggleFeature - Toggle a feature and returns the re-computed feature
/// bits. This version does not change the implied bits.
FeatureBitset MCSubtargetInfo::ToggleFeature(uint64_t FB) {
FeatureBits.flip(FB);
return FeatureBits;
}
FeatureBitset MCSubtargetInfo::ToggleFeature(const FeatureBitset &FB) {
uint64_t MCSubtargetInfo::ToggleFeature(uint64_t FB) {
FeatureBits ^= FB;
return FeatureBits;
}
/// ToggleFeature - Toggle a feature and returns the re-computed feature
/// bits. This version will also change all implied bits.
FeatureBitset MCSubtargetInfo::ToggleFeature(StringRef FS) {
uint64_t MCSubtargetInfo::ToggleFeature(StringRef FS) {
SubtargetFeatures Features;
FeatureBits = Features.ToggleFeature(FeatureBits, FS, ProcFeatures);
return FeatureBits;