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

Alexander Strange astrange
Mon Mar 29 19:49:27 CEST 2010


On Mar 29, 2010, at 1:43 PM, Reimar D?ffinger wrote:

> 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()

Applying http://permalink.gmane.org/gmane.comp.video.ffmpeg.cvs/26135 will fix it (without --enable-shared) without any code changes.
I'll do it later today, or now if you can check that it doesn't break hardened gentoo.



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