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BT appears to be available on all >= i386 chips.
author
Dan Gohman
<gohman@apple.com>
Tue, 13 Jan 2009 23:27:15 +0000
(23:27 +0000)
committer
Dan Gohman
<gohman@apple.com>
Tue, 13 Jan 2009 23:27:15 +0000
(23:27 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62196
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
a8bcfea
..
00405ab
100644
(file)
--- a/
lib/Target/X86/X86ISelLowering.cpp
+++ b/
lib/Target/X86/X86ISelLowering.cpp
@@
-5033,7
+5033,6
@@
SDValue X86TargetLowering::LowerSETCC(SDValue Op, SelectionDAG &DAG) {
// Lower (X & (1 << N)) == 0 to BT.
// Lower ((X >>u N) & 1) != 0 to BT.
// Lower ((X >>s N) & 1) != 0 to BT.
- // FIXME: Is i386 or later or available only on some chips?
if (Op0.getOpcode() == ISD::AND &&
Op0.hasOneUse() &&
Op1.getOpcode() == ISD::Constant &&