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X86 prefer scheduling for reduced register pressure.
author
Evan Cheng
<evan.cheng@apple.com>
Wed, 25 Jan 2006 09:15:17 +0000
(09:15 +0000)
committer
Evan Cheng
<evan.cheng@apple.com>
Wed, 25 Jan 2006 09:15:17 +0000
(09:15 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25602
91177308
-0d34-0410-b5e6-
96231b3b80d8
lib/Target/X86/X86ISelLowering.cpp
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diff --git
a/lib/Target/X86/X86ISelLowering.cpp
b/lib/Target/X86/X86ISelLowering.cpp
index
b97c57d
..
04b9de3
100644
(file)
--- a/
lib/Target/X86/X86ISelLowering.cpp
+++ b/
lib/Target/X86/X86ISelLowering.cpp
@@
-39,6
+39,7
@@
X86TargetLowering::X86TargetLowering(TargetMachine &TM)
setShiftAmountType(MVT::i8);
setSetCCResultType(MVT::i8);
setSetCCResultContents(ZeroOrOneSetCCResult);
+ setSchedulingPreference(SchedulingForRegPressure);
setShiftAmountFlavor(Mask); // shl X, 32 == shl X, 0
setStackPointerRegisterToSaveRestore(X86::ESP);