[MPlayer-dev-eng] dsputil_mmx.c: -O2

Uoti Urpala uoti.urpala at pp1.inet.fi
Tue Sep 19 01:03:15 CEST 2006


On Mon, 2006-09-18 at 22:35 +0300, Uoti Urpala wrote:
> I did manage to reproduce a noticeable advantage (over 5%) with -O2.
> -finline_functions is the switch that has a negative effect with -O3 and
> above.

After changing all occurrences of "static void OPNAME" in dsputil_mmx.c
and h264dsp_mmx.c to "static __attribute__((noinline)) void OPNAME"
there is no significant difference between -O2, -O4 and -O4
-fno-inline-functions (all with only dsputil_mmx recompiled without
affecting other files).




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