[FFmpeg-devel] [FFmpeg-cvslog] r12171 - trunk/doc/optimization.txt
Thu Feb 21 20:57:23 CET 2008
On Thu, 2008-02-21 at 20:11 +0100, Michael Niedermayer wrote:
> As you can see gcc injects 2 unneeded lea instructions in the innermost loop.
It'd need at least one other instruction instead though. Anyway I do not
see that behavior with Debian's gcc-4.3, gcc always uses 3 instructions
for the adds (same as the handwritten asm).
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