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pcm dmix plugin: fix MIX_AREAS_24 routine for i386 & x86_64 platforms

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The code was copied from ALSA bug#4577 from CannibalZerg.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2009-06-16 20:10:19 +02:00
parent e5ca075cde
commit e94f3cfdf9
2 changed files with 3 additions and 3 deletions
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2
src/pcm/pcm_dmix_i386.h
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@ -400,8 +400,8 @@ static void MIX_AREAS_24(unsigned int size,
"\tmovzwl (%%esi), %%ecx\n" "\tmovzwl (%%esi), %%ecx\n"
"\tmovl (%%ebx), %%edx\n" "\tmovl (%%ebx), %%edx\n"
"\tsall $16, %%eax\n" "\tsall $16, %%eax\n"
"\torl %%eax, %%ecx\n"
"\t" LOCK_PREFIX "btsw $0, (%%edi)\n" "\t" LOCK_PREFIX "btsw $0, (%%edi)\n"
"\tleal (%%ecx,%%eax,1), %%ecx\n"
"\tjc 2f\n" "\tjc 2f\n"
"\t" XSUB " %%edx, %%ecx\n" "\t" XSUB " %%edx, %%ecx\n"
"2:" "2:"

4
src/pcm/pcm_dmix_x86_64.h
View file

@ -284,11 +284,11 @@ static void MIX_AREAS_24(unsigned int size,
* *sum += sample; * *sum += sample;
*/ */
"\tmovsbl 2(%%rsi), %%eax\n" "\tmovsbl 2(%%rsi), %%eax\n"
"\tmovswl (%%rsi), %%ecx\n" "\tmovzwl (%%rsi), %%ecx\n"
"\tmovl (%%rbx), %%edx\n" "\tmovl (%%rbx), %%edx\n"
"\tsall $16, %%eax\n" "\tsall $16, %%eax\n"
"\torl %%eax, %%ecx\n"
"\t" LOCK_PREFIX "btsw $0, (%%rdi)\n" "\t" LOCK_PREFIX "btsw $0, (%%rdi)\n"
"\t.byte 0x67, 0x8d, 0x0c, 0x01\n"
"\tjc 2f\n" "\tjc 2f\n"
"\t" XSUB " %%edx, %%ecx\n" "\t" XSUB " %%edx, %%ecx\n"
"2:" "2:"