[cfe-dev] Performance problem with SIMD support
Eric Christopher
echristo at gmail.com
Wed Sep 11 11:06:34 PDT 2013
On Wed, Sep 11, 2013 at 9:00 AM, Richard Hadsell
<hadsell at blueskystudios.com> wrote:
> On 09/10/2013 03:04 PM, Richard Hadsell wrote:
>>
>> I am ready to send you a test case. The asm SIMD code runs slower than
>> the equivalent C++ non-SIMD code. How do I send it to you?
>>
> I submitted a bug report: http://llvm.org/bugs/show_bug.cgi?id=17195
>
I've responded to one part of it (the -O0 part), but the performance
problem can be looked at separately. You might want to look at the
generated code for each function as well.
-eric
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