[FFmpeg-devel] [RFC] clobbers for XMM registers
Tue Sep 28 16:22:15 CEST 2010
Michael Niedermayer <michaelni at gmx.at> writes:
> On Tue, Sep 28, 2010 at 09:36:40AM -0400, Ronald S. Bultje wrote:
>> On Tue, Sep 28, 2010 at 8:34 AM, Michael Niedermayer <michaelni at gmx.at> wrote:
>> > you want to execute code from vp3dsp_sse2.c on a pre SSE cpu?
>> All _sse2 files are templates files that are included in dsputil_mmx.c
>> or similar.
> we could add the flags to dsputil_mmx then
That would allow the compiler to use SSE instructions in functions
that should be MMX only.
> or split the file.
That would require either duplication or obfuscation.
mans at mansr.com
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