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- save RBX register.

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This commit is contained in:
Takashi Iwai 2004-02-09 18:07:47 +00:00
parent 4f8254f654
commit 0d810e14e1
1 changed files with 5 additions and 0 deletions
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5
src/pcm/pcm_dmix_x86_64.h
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@ -46,6 +46,7 @@ static void MIX_AREAS1(unsigned int size,
__asm__ __volatile__ (
"\n"
"\tpush %%rbx\n"
/*
* initialization, load ESI, EDI, EBX registers
*/
@ -110,6 +111,7 @@ static void MIX_AREAS1(unsigned int size,
"6:"
"\temms\n"
"\tpop %%rbx\n"
: /* no output regs */
: "m" (size), "m" (dst), "m" (src), "m" (sum), "m" (dst_step), "m" (src_step), "m" (sum_step)
@ -136,6 +138,7 @@ static void MIX_AREAS2(unsigned int size,
__asm__ __volatile__ (
"\n"
"\tpush %%rbx\n"
/*
* initialization, load ESI, EDI, EBX registers
*/
@ -220,6 +223,8 @@ static void MIX_AREAS2(unsigned int size,
// "\tjmp 6f\n"
"6:"
"\tpop %%rbx\n"
: /* no output regs */
: "m" (size), "m" (dst), "m" (src), "m" (sum), "m" (dst_step), "m" (src_step), "m" (sum_step)
: "rsi", "rdi", "edx", "ecx", "rbx", "eax"