[llvm-commits] [llvm] r49048 - in /llvm/trunk: lib/Target/X86/X86ISelLowering.cpp lib/Target/X86/X86Subtarget.cpp lib/Target/X86/X86Subtarget.h test/CodeGen/X86/darwin-bzero.ll

[Dan Gohman]

On Apr 1, 2008, at 1:48 PM, Chris Lattner wrote:
> On Apr 1, 2008, at 1:38 PM, Dan Gohman wrote:
>> URL: http://llvm.org/viewvc/llvm-project?rev=49048&view=rev
>> Log:
>> Speculatively micro-optimize memory-zeroing calls on Darwin 10.
>
> Thanks Dan!  Is this checking to see that the memset value is equal to
> zero?  memset(x, 1, n) shouldn't use bzero.  Maybe I'm just missing
> the check,

You didn't miss it. It was in the original patch but I accidentally
dropped it when introducing the subtarget code.

Dan