[FFmpeg-cvslog] r30965 - in trunk/libswscale: rgb2rgb.c rgb2rgb_template.c swscale.c swscale_template.c utils.c

Reimar Döffinger Reimar.Doeffinger
Mon Mar 29 19:43:03 CEST 2010


On Mon, Mar 29, 2010 at 01:07:30PM -0400, Ronald S. Bultje wrote:
> Hi,
> 
> On Sat, Mar 27, 2010 at 7:31 AM, diego <subversion at mplayerhq.hu> wrote:
> > libswscale: Relicense almost all x86 assembler optimizations as LGPL.
> [..]
> > ? trunk/libswscale/rgb2rgb_template.c
> 
> You broke my build. ;-).
> 
> gcc -I. -I"/Users/ronaldbultje/Projects/ffmpeg-svn" -D_ISOC99_SOURCE
> -D_POSIX_C_SOURCE=200112 -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE
> -DPIC -DHAVE_AV_CONFIG_H -I/opt/local/include -I/opt/gtk/include
> -I/opt/medium/include   -std=c99 -fomit-frame-pointer -fPIC -g
> -Wdeclaration-after-statement -Wall -Wno-switch
> -Wdisabled-optimization -Wpointer-arith -Wredundant-decls
> -Wno-pointer-sign -Wcast-qual -Wwrite-strings -Wundef
> -Wmissing-prototypes -O3 -fno-math-errno -fno-tree-vectorize
> -Werror=implicit -Werror=missing-prototypes        -MMD -MF
> libswscale/rgb2rgb.d -MT libswscale/rgb2rgb.o -c -o
> libswscale/rgb2rgb.o libswscale/rgb2rgb.c
> libswscale/rgb2rgb_template.c: In function ?rgb32tobgr24_MMX?:
> libswscale/rgb2rgb_template.c:138: error: can't find a register in
> class ?GENERAL_REGS? while reloading ?asm?
> libswscale/rgb2rgb_template.c:138: error: ?asm? operand has impossible
> constraints

Quickest way to fix:
get rid of all the
"m"(mask24l),"m"(mask24h),"m"(mask24hh),"m"(mask24hhh),"m"(mask24hhhh)
constraints and use the variables directly in the asm via MANGLE()



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