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gst/gsttrashstack.h: Fix asm to build on Solaris (#170809)

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Original commit message from CVS:
* gst/gsttrashstack.h: Fix asm to build on Solaris (#170809)
This commit is contained in:
David Schleef 2005-06-09 19:54:05 +00:00
parent 5a6d945ade
commit 96f85a23ed
2 changed files with 17 additions and 13 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2005-06-09 David Schleef <ds@schleef.org>
* gst/gsttrashstack.h: Fix asm to build on Solaris (#170809)
2005-06-09 Ronald S. Bultje <rbultje@ronald.bitfreak.net>
* gst/schedulers/entryscheduler.c:

26
gst/gsttrashstack.h
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@ -101,20 +101,20 @@ gst_trash_stack_pop (GstTrashStack *stack)
* inlikely that we manage to grab the wrong head->next value.
*/
__asm__ __volatile__ (
" pushl %%ebx; \n\t"
" testl %%eax, %%eax; \n\t" /* if (head == NULL) return */
" jz 20f; \n\t"
"10: \n\t"
" movl (%%eax), %%ebx; \n\t" /* take value pointed to by head (head->next) */
" movl %%edx, %%ecx; \n\t" /* take counter */
" incl %%ecx; \n\t" /* and increment */
SMP_LOCK "cmpxchg8b %1; \n\t" /* if eax:edx == *stack, move ebx:ecx to *stack,
"\tpushl %%ebx; \n"
"\ttestl %%eax, %%eax; \n" /* if (head == NULL) return */
"\tjz 2f; \n"
"1: \n"
"\tmovl (%%eax), %%ebx; \n" /* take value pointed to by head (head->next) */
"\tmovl %%edx, %%ecx; \n" /* take counter */
"\tincl %%ecx; \n" /* and increment */
"\t" SMP_LOCK "cmpxchg8b %1;\n" /* if eax:edx == *stack, move ebx:ecx to *stack,
* else *stack is moved into eax:edx again... */
" jz 20f; \n\t" /* success */
" testl %%eax, %%eax; \n\t" /* if (head == NULL) return */
" jnz 10b; \n\t" /* else we retry */
"20: \n\t"
" popl %%ebx \n"
"\tjz 2f; \n" /* success */
"\ttestl %%eax, %%eax; \n" /* if (head == NULL) return */
"\tjnz 1b; \n" /* else we retry */
"2: \n"
"\tpopl %%ebx \n"
: "=a" (head)
: "m" (*stack),
"a" (stack->head),