mirror of git://sourceware.org/git/glibc.git
70ee250fb8
All ABIs save for sparcv9 and s390 defines it to __sync_synchronize, which can be mapped to __atomic_thread_fence (__ATOMIC_SEQ_CST). For Sparc, it uses a stricter #StoreStore|#LoadStore|#StoreLoad|#LoadLoad instead of the #StoreLoad generated by __sync_synchronize. For s390x, it defaults to a memory barrier where __sync_synchronize emits a 'bcr 15,0' (which the manual describes as pipeline synchronization). The barrier is used only in one place (pthread_mutex_setprioceiling), and using a stricter barrier for s390 is ok performance-wise. Co-authored-by: Wilco Dijkstra <Wilco.Dijkstra@arm.com> Reviewed-by: Wilco Dijkstra <Wilco.Dijkstra@arm.com> |
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| .. | ||
| bits | ||
| fpu | ||
| nofpu | ||
| nptl | ||
| Implies | ||
| Makefile | ||
| __longjmp.S | ||
| atomic-machine.h | ||
| bsd-_setjmp.S | ||
| bsd-setjmp.S | ||
| configure | ||
| configure.ac | ||
| dl-machine.h | ||
| dl-start.S | ||
| dl-trampoline.S | ||
| fpu_control.h | ||
| jmpbuf-offsets.h | ||
| jmpbuf-unwind.h | ||
| ldsodefs.h | ||
| libc-tls.c | ||
| machine-gmon.h | ||
| math-tests-snan-payload.h | ||
| math-tests-trap.h | ||
| memusage.h | ||
| preconfigure | ||
| setjmp.S | ||
| sfp-machine.h | ||
| sotruss-lib.c | ||
| stackinfo.h | ||
| start.S | ||
| sysdep.h | ||
| thread_pointer.h | ||
| tininess.h | ||
| tst-audit.h | ||
| utmp-size.h | ||