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add a FIXME for a CPU model check that should have an attribute instead
author
Sanjay Patel
<spatel@rotateright.com>
Mon, 28 Sep 2015 22:00:24 +0000
(22:00 +0000)
committer
Sanjay Patel
<spatel@rotateright.com>
Mon, 28 Sep 2015 22:00:24 +0000
(22:00 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@248746
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
3725117
..
517295a
100644
(file)
--- a/
lib/Target/X86/X86ISelLowering.cpp
+++ b/
lib/Target/X86/X86ISelLowering.cpp
@@
-1785,7
+1785,8
@@
X86TargetLowering::X86TargetLowering(const X86TargetMachine &TM,
MaxStoresPerMemmoveOptSize = 4;
setPrefLoopAlignment(4); // 2^4 bytes.
- // Predictable cmov don't hurt on atom because it's in-order.
+ // A predictable cmov does not hurt on an in-order CPU.
+ // FIXME: Use a CPU attribute to trigger this, not a CPU model.
PredictableSelectIsExpensive = !Subtarget->isAtom();
EnableExtLdPromotion = true;
setPrefFunctionAlignment(4); // 2^4 bytes.