BT appears to be available on all >= i386 chips.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@62196 91177308-0d34-0410-b5e6-96231b3b80d8

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 &&