[flac-dev] About "attempt to fix differences between x86 FPU and SSE calculations"

Olivier Tristan o.tristan at uvi.net
Fri Mar 21 11:41:00 PDT 2014

Check with -mfpmath=387 to be sure that x87 FPU code is used and not some
SSE optim made by GCC

On Fri, Mar 21, 2014 at 6:28 PM, lvqcl <lvqcl.mail at gmail.com> wrote:

> More specifically, about this patch:
> http://git.xiph.org/?p=flac.git;a=commitdiff;h=70b078cfd5f9d4b0692c33f018cac3c652b14f90
> I downloaded the latest code from git (flac-70b078c), disabled
> all SSE optimizations in the code and compiled it (GCC 4.8.2).
> This patch doesn't change FLAC output.
> Either gcc is too smart and optimizes this new code back to the old,
> or this fix is MSVS-specific. Or both.
> _______________________________________________
> flac-dev mailing list
> flac-dev at xiph.org
> http://lists.xiph.org/mailman/listinfo/flac-dev

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