thirdparty/alsa-lib
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Synced with dmix plugin

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This commit is contained in:
Jaroslav Kysela 2003-02-28 17:03:26 +00:00
parent bc62be2388
commit 8bb29f007d
1 changed files with 16 additions and 14 deletions
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30
test/code.c
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@ -146,15 +146,14 @@ void mix_areas1(unsigned int size,
* EBX - sum * EBX - sum
* ECX - old sample * ECX - old sample
* EAX - sample / temporary * EAX - sample / temporary
* EDX - size * EDX - temporary
*/ */
__asm__ __volatile__ ( __asm__ __volatile__ (
"\n" "\n"
/* /*
* initialization, load EDX, ESI, EDI, EBX registers * initialization, load ESI, EDI, EBX registers
*/ */
"\tmovl %0, %%edx\n"
"\tmovl %1, %%edi\n" "\tmovl %1, %%edi\n"
"\tmovl %2, %%esi\n" "\tmovl %2, %%esi\n"
"\tmovl %3, %%ebx\n" "\tmovl %3, %%ebx\n"
@ -171,16 +170,18 @@ void mix_areas1(unsigned int size,
/* /*
* sample = *src; * sample = *src;
* sum_sample = *sum;
* if (cmpxchg(*dst, 0, 1) == 0) * if (cmpxchg(*dst, 0, 1) == 0)
* sample -= *sum; * sample -= sum_sample;
* xadd(*sum, sample); * xadd(*sum, sample);
*/ */
"\tmovw $0, %%ax\n" "\tmovw $0, %%ax\n"
"\tmovw $1, %%cx\n" "\tmovw $1, %%cx\n"
"\tmovl (%%ebx), %%edx\n"
"\t" LOCK_PREFIX "cmpxchgw %%cx, (%%edi)\n" "\t" LOCK_PREFIX "cmpxchgw %%cx, (%%edi)\n"
"\tmovswl (%%esi), %%ecx\n" "\tmovswl (%%esi), %%ecx\n"
"\tjnz 2f\n" "\tjnz 2f\n"
"\tsubl (%%ebx), %%ecx\n" "\tsubl %%edx, %%ecx\n"
"2:" "2:"
"\t" LOCK_PREFIX "addl %%ecx, (%%ebx)\n" "\t" LOCK_PREFIX "addl %%ecx, (%%ebx)\n"
@ -208,7 +209,7 @@ void mix_areas1(unsigned int size,
"\tadd %4, %%edi\n" "\tadd %4, %%edi\n"
"\tadd %5, %%esi\n" "\tadd %5, %%esi\n"
"\tadd %6, %%ebx\n" "\tadd %6, %%ebx\n"
"\tdecl %%edx\n" "\tdecl %0\n"
"\tjnz 1b\n" "\tjnz 1b\n"
"\tjmp 6f\n" "\tjmp 6f\n"
@ -225,7 +226,7 @@ void mix_areas1(unsigned int size,
"\tadd %4, %%edi\n" "\tadd %4, %%edi\n"
"\tadd %5, %%esi\n" "\tadd %5, %%esi\n"
"\tadd %6, %%ebx\n" "\tadd %6, %%ebx\n"
"\tdecl %%edx\n" "\tdecl %0\n"
"\tjnz 1b\n" "\tjnz 1b\n"
"\tjmp 6f\n" "\tjmp 6f\n"
@ -242,7 +243,7 @@ void mix_areas1(unsigned int size,
"\tadd %4, %%edi\n" "\tadd %4, %%edi\n"
"\tadd %5, %%esi\n" "\tadd %5, %%esi\n"
"\tadd %6, %%ebx\n" "\tadd %6, %%ebx\n"
"\tdecl %%edx\n" "\tdecl %0\n"
"\tjnz 1b\n" "\tjnz 1b\n"
// "\tjmp 6f\n" // "\tjmp 6f\n"
@ -266,15 +267,14 @@ void mix_areas1_mmx(unsigned int size,
* EBX - sum * EBX - sum
* ECX - old sample * ECX - old sample
* EAX - sample / temporary * EAX - sample / temporary
* EDX - size * EDX - temporary
*/ */
__asm__ __volatile__ ( __asm__ __volatile__ (
"\n" "\n"
/* /*
* initialization, load EDX, ESI, EDI, EBX registers * initialization, load ESI, EDI, EBX registers
*/ */
"\tmovl %0, %%edx\n"
"\tmovl %1, %%edi\n" "\tmovl %1, %%edi\n"
"\tmovl %2, %%esi\n" "\tmovl %2, %%esi\n"
"\tmovl %3, %%ebx\n" "\tmovl %3, %%ebx\n"
@ -291,16 +291,18 @@ void mix_areas1_mmx(unsigned int size,
/* /*
* sample = *src; * sample = *src;
* sum_sample = *sum;
* if (cmpxchg(*dst, 0, 1) == 0) * if (cmpxchg(*dst, 0, 1) == 0)
* sample -= *sum; * sample -= sum_sample;
* xadd(*sum, sample); * xadd(*sum, sample);
*/ */
"\tmovw $0, %%ax\n" "\tmovw $0, %%ax\n"
"\tmovw $1, %%cx\n" "\tmovw $1, %%cx\n"
"\tmovl (%%ebx), %%edx\n"
"\t" LOCK_PREFIX "cmpxchgw %%cx, (%%edi)\n" "\t" LOCK_PREFIX "cmpxchgw %%cx, (%%edi)\n"
"\tmovswl (%%esi), %%ecx\n" "\tmovswl (%%esi), %%ecx\n"
"\tjnz 2f\n" "\tjnz 2f\n"
"\tsubl (%%ebx), %%ecx\n" "\tsubl %%edx, %%ecx\n"
"2:" "2:"
"\t" LOCK_PREFIX "addl %%ecx, (%%ebx)\n" "\t" LOCK_PREFIX "addl %%ecx, (%%ebx)\n"
@ -327,7 +329,7 @@ void mix_areas1_mmx(unsigned int size,
"\tadd %4, %%edi\n" "\tadd %4, %%edi\n"
"\tadd %5, %%esi\n" "\tadd %5, %%esi\n"
"\tadd %6, %%ebx\n" "\tadd %6, %%ebx\n"
"\tdecl %%edx\n" "\tdecl %0\n"
"\tjnz 1b\n" "\tjnz 1b\n"
"\tjmp 6f\n" "\tjmp 6f\n"