[llvm-commits] [llvm] r61557 - in /llvm/trunk: lib/Target/X86/X86.td lib/Target/X86/X86InstrInfo.td lib/Target/X86/X86Subtarget.cpp lib/Target/X86/X86Subtarget.h test/CodeGen/X86/bt.ll

[Chris Lattner]

On Jan 1, 2009, at 9:35 PM, Evan Cheng wrote:

> Author: evancheng
> Date: Thu Jan  1 23:35:45 2009
> New Revision: 61557
>
> URL: http://llvm.org/viewvc/llvm-project?rev=61557&view=rev
> Log:
> Do not isel load folding bt instructions for pentium m, core, core2,  
> and AMD processors. These are significantly slower than a load  
> followed by a bt of a register.

Cool, thanks Evan!

-Chris