diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S | 76 |
1 files changed, 73 insertions, 3 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S index fde4f57b2a..4cf0ac45c5 100644 --- a/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S +++ b/nptl/sysdeps/unix/sysv/linux/sh/pthread_cond_timedwait.S @@ -21,8 +21,9 @@ #include <lowlevellock.h> #include <lowlevelcond.h> #include <pthread-errnos.h> -#include "lowlevel-atomic.h" #include <kernel-features.h> +#include <tcb-offsets.h> +#include "lowlevel-atomic.h" .text @@ -230,7 +231,22 @@ __pthread_cond_timedwait: mov r15, r7 add #16, r7 - mov #FUTEX_WAIT, r5 + mov.l @(dep_mutex,r8), r0 + cmp/eq #-1, r0 + bt/s 99f + mov #FUTEX_WAIT, r5 +#ifdef __ASSUME_PRIVATE_FUTEX + mov #(FUTEX_WAIT|FUTEX_PRIVATE_FLAG), r5 + extu.b r5, r5 +#else + stc gbr, r1 + mov.w .Lpfoff, r2 + add r2, r1 + mov.l @r1, r5 + mov #FUTEX_WAIT, r0 + or r0, r5 +#endif +99: mov.l @(8,r15), r6 mov r8, r4 add #cond_futex, r4 @@ -339,7 +355,22 @@ __pthread_cond_timedwait: mov r8, r4 add #cond_nwaiters, r4 - mov #FUTEX_WAKE, r5 + mov.l @(dep_mutex,r8), r0 + cmp/eq #-1, r0 + bt/s 99f + mov #FUTEX_WAKE, r5 +#ifdef __ASSUME_PRIVATE_FUTEX + mov #(FUTEX_WAKE|FUTEX_PRIVATE_FLAG), r5 + extu.b r5, r5 +#else + stc gbr, r1 + mov.w .Lpfoff, r2 + add r2, r1 + mov.l @r1, r5 + mov #FUTEX_WAKE, r0 + or r0, r5 +#endif +99: mov #1, r6 mov #0, r7 mov #SYS_futex, r3 @@ -379,6 +410,10 @@ __pthread_cond_timedwait: rts mov.l @r15+, r8 +#ifndef __ASSUME_PRIVATE_FUTEX +.Lpfoff: + .word PRIVATE_FUTEX - TLS_PRE_TCB_SIZE +#endif .L1k: .word 1000 .align 2 @@ -399,7 +434,12 @@ __pthread_cond_timedwait: #if cond_lock != 0 add #cond_lock, r5 #endif + mov.l @(dep_mutex,r8), r0 + cmp/eq #-1, r0 + bf/s 99f + mov #LLL_PRIVATE, r6 mov #LLL_SHARED, r6 +99: extu.b r6, r6 mov.l .Lwait2, r1 bsrf r1 @@ -414,7 +454,12 @@ __pthread_cond_timedwait: #if cond_lock != 0 add #cond_lock, r4 #endif + mov.l @(dep_mutex,r8), r0 + cmp/eq #-1, r0 + bf/s 99f + mov #LLL_PRIVATE, r5 mov #LLL_SHARED, r5 +99: mov.l .Lmwait2, r1 bsrf r1 extu.b r5, r5 @@ -428,7 +473,12 @@ __pthread_cond_timedwait: #if cond_lock != 0 add #cond_lock, r5 #endif + mov.l @(dep_mutex,r8), r0 + cmp/eq #-1, r0 + bf/s 99f + mov #LLL_PRIVATE, r6 mov #LLL_SHARED, r6 +99: extu.b r6, r6 mov.l .Lwait3, r1 bsrf r1 @@ -443,7 +493,12 @@ __pthread_cond_timedwait: #if cond_lock != 0 add #cond_lock, r4 #endif + mov.l @(dep_mutex,r8), r0 + cmp/eq #-1, r0 + bf/s 99f + mov #LLL_PRIVATE, r5 mov #LLL_SHARED, r5 +99: mov.l .Lmwait3, r1 bsrf r1 extu.b r5, r5 @@ -466,7 +521,12 @@ __pthread_cond_timedwait: #if cond_lock != 0 add #cond_lock, r4 #endif + mov.l @(dep_mutex,r8), r0 + cmp/eq #-1, r0 + bf/s 99f + mov #LLL_PRIVATE, r5 mov #LLL_SHARED, r5 +99: mov.l .Lmwait4, r1 bsrf r1 extu.b r5, r5 @@ -510,7 +570,12 @@ __condvar_tw_cleanup: #if cond_lock != 0 add #cond_lock, r5 #endif + mov.l @(dep_mutex,r8), r0 + cmp/eq #-1, r0 + bf/s 99f + mov #LLL_PRIVATE, r6 mov #LLL_SHARED, r6 +99: extu.b r6, r6 mov.l .Lwait5, r1 bsrf r1 @@ -605,7 +670,12 @@ __condvar_tw_cleanup: #if cond_lock != 0 add #cond_lock, r4 #endif + mov.l @(dep_mutex,r8), r0 + cmp/eq #-1, r0 + bf/s 99f + mov #LLL_PRIVATE, r5 mov #LLL_SHARED, r5 +99: mov.l .Lmwait5, r1 bsrf r1 extu.b r5, r5 |