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Merge r127441 from mainline.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_29@127443 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Christopher
2011-03-11 01:10:05 +00:00
parent 5705843fd1
commit acc448ebfe
6 changed files with 11 additions and 6 deletions
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8
lib/Target/X86/X86ISelLowering.cpp
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@@ -221,7 +221,13 @@ X86TargetLowering::X86TargetLowering(X86TargetMachine &TM)
// X86 is weird, it always uses i8 for shift amounts and setcc results.
setBooleanContents(ZeroOrOneBooleanContent);
setSchedulingPreference(Sched::ILP);
// For 64-bit since we have so many registers use the ILP scheduler, for
// 32-bit code use the register pressure specific scheduling.
if (Subtarget->is64Bit())
setSchedulingPreference(Sched::ILP);
else
setSchedulingPreference(Sched::RegPressure);
setStackPointerRegisterToSaveRestore(X86StackPtr);
if (Subtarget->isTargetWindows() && !Subtarget->isTargetCygMing()) {