[llvm-commits] [llvm] r61426 - in /llvm/trunk: lib/Target/X86/X86ISelLowering.cpp test/CodeGen/X86/bt.ll
gohman at apple.com
Tue Jan 13 15:24:22 PST 2009
On Jan 13, 2009, at 12:54 PM, Eli Friedman wrote:
> On Wed, Dec 24, 2008 at 9:34 PM, Chris Lattner <sabre at nondot.org>
>> + // If the operand types disagree, extend the shift amount to
>> match. Since
>> + // BT ignores high bits (like shifts) we can use anyextend.
> This isn't correct for the bt forms with a memory operand.
Thanks for pointing this out! I've disabled the register+memory
forms of the bt instructions for now in order to avoid this
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