[FFmpeg-devel] [PATCH] yasm ff_imdct_half_sse
Sun Aug 22 16:12:42 CEST 2010
Alex Converse <alex.converse at gmail.com> writes:
> On Wed, Aug 18, 2010 at 10:46 PM, Loren Merritt <lorenm at u.washington.edu> wrote:
>> On Wed, 18 Aug 2010, Alex Converse wrote:
>>> The attached patch ports the ff_imdct_half_sse function to yasm. This wasn't
>>> done out of any desire for yasm purity. The split asm sections were
>>> problematic on platforms where xmm registers are callee saved (WIN64). It
>>> seems worthwhile to move toward supporting out mdct audio decoders on
>>> WIN64. It also gives fine grain control over exactly what spills when and
>>> and reduces fft calling overhead.
What's the holdup?
mans at mansr.com
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