[FFmpeg-devel] [RFC] SSE3/4 implementation of flac_encode_residual_lpc

Loren Merritt lorenm
Sun May 24 04:52:32 CEST 2009

On Sat, 23 May 2009, Bobby Bingham wrote:

> Also, with this patch, gcc warns that need32 might be used
> uninitialized, but it is always initialized by the assembly.  Does
> someone know how to silence this warning?

use "=&r".
"+" tells gcc that you're going to read the value it has on input to the 
asm block, which is indeed uninitialized.

--Loren Merritt

More information about the ffmpeg-devel mailing list