[FFmpeg-devel] [PATCH] manually hacked configure options increase h264 decoding speed significantly

Michael Niedermayer michaelni at gmx.at
Wed Feb 8 19:46:39 CET 2012


On Wed, Feb 08, 2012 at 01:33:58PM -0500, Laurent wrote:
> On Fri, Oct 21, 2011 at 7:33 PM, Michael Niedermayer <michaelni at gmx.at> wrote:
> > On Sat, Oct 22, 2011 at 12:34:25AM +0200, Hendrik Leppkes wrote:
> >> Hi,
> >>
> >> On Sat, Oct 22, 2011 at 12:15 AM, Michael Niedermayer <michaelni at gmx.at> wrote:
> >> > please try attached patch and check if it enables ebp
> 
> With MinGW GCC 4.6.2, the function gets inlined with -O3 so you are
> back in square 1.
> 
> I am no gcc expert, but adding a "noinline" attribute works for me:
> 
> __attribute__ ((noinline)) int func(void) {

that would break compilation on non gcc

[...]
-- 
Michael     GnuPG fingerprint: 9FF2128B147EF6730BADF133611EC787040B0FAB

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