[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
Chris Lattner
clattner at apple.com
Tue Apr 1 14:01:56 PDT 2008
On Apr 1, 2008, at 1:58 PM, Dan Gohman wrote:
> 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.
Ok, thanks!
-Chris
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