[FFmpeg-devel] [PATCH] A rather simple H.264 speed optimization

[Jason Garrett-Glaser]

> What does gcc do with this on 32-bit platforms.  I've often seen it do
> some rather horrid things with 64-bit types there.

h264.c already uses 64-bit write combining in many many places; I'm
just extending it.

x264 uses it too, and I have never seen GCC pessimize it.  GCC
pessimizes 64-bit *arithmetic ops*, not copies.

Dark Shikari