diff options
Diffstat (limited to 'atomic/unix/ppc.c')
| -rw-r--r-- | atomic/unix/ppc.c | 134 |
1 files changed, 67 insertions, 67 deletions
diff --git a/atomic/unix/ppc.c b/atomic/unix/ppc.c index db9fca934..6ef429f06 100644 --- a/atomic/unix/ppc.c +++ b/atomic/unix/ppc.c @@ -19,7 +19,7 @@ #ifdef USE_ATOMICS_PPC #ifdef PPC405_ERRATA -# define PPC405_ERR77_SYNC " sync\n" +# define PPC405_ERR77_SYNC " sync\n" #else # define PPC405_ERR77_SYNC #endif @@ -43,12 +43,12 @@ APR_DECLARE(apr_uint32_t) apr_atomic_add32(volatile apr_uint32_t *mem, apr_uint3 { apr_uint32_t prev, temp; - asm volatile ("loop_%=:\n" /* lost reservation */ - " lwarx %0,0,%3\n" /* load and reserve */ - " add %1,%0,%4\n" /* add val and prev */ - PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ - " stwcx. %1,0,%3\n" /* store new value */ - " bne- loop_%=\n" /* loop if lost */ + asm volatile ("loop_%=:\n" /* lost reservation */ + " lwarx %0,0,%3\n" /* load and reserve */ + " add %1,%0,%4\n" /* add val and prev */ + PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ + " stwcx. %1,0,%3\n" /* store new value */ + " bne- loop_%=\n" /* loop if lost */ : "=&r" (prev), "=&r" (temp), "=m" (*mem) : "b" (mem), "r" (val) : "cc", "memory"); @@ -60,12 +60,12 @@ APR_DECLARE(void) apr_atomic_sub32(volatile apr_uint32_t *mem, apr_uint32_t val) { apr_uint32_t temp; - asm volatile ("loop_%=:\n" /* lost reservation */ - " lwarx %0,0,%2\n" /* load and reserve */ - " subf %0,%3,%0\n" /* subtract val */ - PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ - " stwcx. %0,0,%2\n" /* store new value */ - " bne- loop_%=\n" /* loop if lost */ + asm volatile ("loop_%=:\n" /* lost reservation */ + " lwarx %0,0,%2\n" /* load and reserve */ + " subf %0,%3,%0\n" /* subtract val */ + PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ + " stwcx. %0,0,%2\n" /* store new value */ + " bne- loop_%=\n" /* loop if lost */ : "=&r" (temp), "=m" (*mem) : "b" (mem), "r" (val) : "cc", "memory"); @@ -75,13 +75,13 @@ APR_DECLARE(apr_uint32_t) apr_atomic_inc32(volatile apr_uint32_t *mem) { apr_uint32_t prev; - asm volatile ("loop_%=:\n" /* lost reservation */ - " lwarx %0,0,%2\n" /* load and reserve */ - " addi %0,%0,1\n" /* add immediate */ - PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ - " stwcx. %0,0,%2\n" /* store new value */ - " bne- loop_%=\n" /* loop if lost */ - " subi %0,%0,1\n" /* return old value */ + asm volatile ("loop_%=:\n" /* lost reservation */ + " lwarx %0,0,%2\n" /* load and reserve */ + " addi %0,%0,1\n" /* add immediate */ + PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ + " stwcx. %0,0,%2\n" /* store new value */ + " bne- loop_%=\n" /* loop if lost */ + " subi %0,%0,1\n" /* return old value */ : "=&b" (prev), "=m" (*mem) : "b" (mem), "m" (*mem) : "cc", "memory"); @@ -93,12 +93,12 @@ APR_DECLARE(int) apr_atomic_dec32(volatile apr_uint32_t *mem) { apr_uint32_t prev; - asm volatile ("loop_%=:\n" /* lost reservation */ - " lwarx %0,0,%2\n" /* load and reserve */ - " subi %0,%0,1\n" /* subtract immediate */ - PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ - " stwcx. %0,0,%2\n" /* store new value */ - " bne- loop_%=\n" /* loop if lost */ + asm volatile ("loop_%=:\n" /* lost reservation */ + " lwarx %0,0,%2\n" /* load and reserve */ + " subi %0,%0,1\n" /* subtract immediate */ + PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ + " stwcx. %0,0,%2\n" /* store new value */ + " bne- loop_%=\n" /* loop if lost */ : "=&b" (prev), "=m" (*mem) : "b" (mem), "m" (*mem) : "cc", "memory"); @@ -111,14 +111,14 @@ APR_DECLARE(apr_uint32_t) apr_atomic_cas32(volatile apr_uint32_t *mem, apr_uint3 { apr_uint32_t prev; - asm volatile ("loop_%=:\n" /* lost reservation */ - " lwarx %0,0,%1\n" /* load and reserve */ - " cmpw %0,%3\n" /* compare operands */ - " bne- exit_%=\n" /* skip if not equal */ - PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ - " stwcx. %2,0,%1\n" /* store new value */ - " bne- loop_%=\n" /* loop if lost */ - "exit_%=:\n" /* not equal */ + asm volatile ("loop_%=:\n" /* lost reservation */ + " lwarx %0,0,%1\n" /* load and reserve */ + " cmpw %0,%3\n" /* compare operands */ + " bne- exit_%=\n" /* skip if not equal */ + PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ + " stwcx. %2,0,%1\n" /* store new value */ + " bne- loop_%=\n" /* loop if lost */ + "exit_%=:\n" /* not equal */ : "=&r" (prev) : "b" (mem), "r" (with), "r" (cmp) : "cc", "memory"); @@ -130,11 +130,11 @@ APR_DECLARE(apr_uint32_t) apr_atomic_xchg32(volatile apr_uint32_t *mem, apr_uint { apr_uint32_t prev; - asm volatile ("loop_%=:\n" /* lost reservation */ - " lwarx %0,0,%1\n" /* load and reserve */ - PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ - " stwcx. %2,0,%1\n" /* store new value */ - " bne- loop_%=" /* loop if lost */ + asm volatile ("loop_%=:\n" /* lost reservation */ + " lwarx %0,0,%1\n" /* load and reserve */ + PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ + " stwcx. %2,0,%1\n" /* store new value */ + " bne- loop_%=" /* loop if lost */ : "=&r" (prev) : "b" (mem), "r" (val) : "cc", "memory"); @@ -146,26 +146,26 @@ APR_DECLARE(void*) apr_atomic_casptr(volatile void **mem, void *with, const void { void *prev; #if APR_SIZEOF_VOIDP == 4 - asm volatile ("loop_%=:\n" /* lost reservation */ - " lwarx %0,0,%1\n" /* load and reserve */ - " cmpw %0,%3\n" /* compare operands */ - " bne- exit_%=\n" /* skip if not equal */ - PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ - " stwcx. %2,0,%1\n" /* store new value */ - " bne- loop_%=\n" /* loop if lost */ - "exit_%=:\n" /* not equal */ + asm volatile ("loop_%=:\n" /* lost reservation */ + " lwarx %0,0,%1\n" /* load and reserve */ + " cmpw %0,%3\n" /* compare operands */ + " bne- exit_%=\n" /* skip if not equal */ + PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ + " stwcx. %2,0,%1\n" /* store new value */ + " bne- loop_%=\n" /* loop if lost */ + "exit_%=:\n" /* not equal */ : "=&r" (prev) : "b" (mem), "r" (with), "r" (cmp) : "cc", "memory"); #elif APR_SIZEOF_VOIDP == 8 - asm volatile ("loop_%=:\n" /* lost reservation */ - " ldarx %0,0,%1\n" /* load and reserve */ - " cmpd %0,%3\n" /* compare operands */ - " bne- exit_%=\n" /* skip if not equal */ - PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ - " stdcx. %2,0,%1\n" /* store new value */ - " bne- loop_%=\n" /* loop if lost */ - "exit_%=:\n" /* not equal */ + asm volatile ("loop_%=:\n" /* lost reservation */ + " ldarx %0,0,%1\n" /* load and reserve */ + " cmpd %0,%3\n" /* compare operands */ + " bne- exit_%=\n" /* skip if not equal */ + PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ + " stdcx. %2,0,%1\n" /* store new value */ + " bne- loop_%=\n" /* loop if lost */ + "exit_%=:\n" /* not equal */ : "=&r" (prev) : "b" (mem), "r" (with), "r" (cmp) : "cc", "memory"); @@ -179,22 +179,22 @@ APR_DECLARE(void*) apr_atomic_xchgptr(volatile void **mem, void *with) { void *prev; #if APR_SIZEOF_VOIDP == 4 - asm volatile ("loop_%=:\n" /* lost reservation */ - " lwarx %0,0,%1\n" /* load and reserve */ - PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ - " stwcx. %2,0,%1\n" /* store new value */ - " bne- loop_%=\n" /* loop if lost */ - " isync\n" /* memory barrier */ + asm volatile ("loop_%=:\n" /* lost reservation */ + " lwarx %0,0,%1\n" /* load and reserve */ + PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ + " stwcx. %2,0,%1\n" /* store new value */ + " bne- loop_%=\n" /* loop if lost */ + " isync\n" /* memory barrier */ : "=&r" (prev) : "b" (mem), "r" (with) : "cc", "memory"); #elif APR_SIZEOF_VOIDP == 8 - asm volatile ("loop_%=:\n" /* lost reservation */ - " ldarx %0,0,%1\n" /* load and reserve */ - PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ - " stdcx. %2,0,%1\n" /* store new value */ - " bne- loop_%=\n" /* loop if lost */ - " isync\n" /* memory barrier */ + asm volatile ("loop_%=:\n" /* lost reservation */ + " ldarx %0,0,%1\n" /* load and reserve */ + PPC405_ERR77_SYNC /* ppc405 Erratum 77 */ + " stdcx. %2,0,%1\n" /* store new value */ + " bne- loop_%=\n" /* loop if lost */ + " isync\n" /* memory barrier */ : "=&r" (prev) : "b" (mem), "r" (with) : "cc", "memory"); |