diff options
Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S')
| -rw-r--r-- | nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S | 56 |
1 files changed, 17 insertions, 39 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S index f46b4b874a..40fb04b31b 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003, 2004, 2006, 2007 Free Software Foundation, Inc. +/* Copyright (C) 2002,2003,2004,2006,2007,2009 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. @@ -35,16 +35,17 @@ __pthread_cond_broadcast: cfi_startproc pushl %ebx cfi_adjust_cfa_offset(4) + cfi_rel_offset(%ebx, 0) pushl %esi cfi_adjust_cfa_offset(4) + cfi_rel_offset(%esi, 0) pushl %edi cfi_adjust_cfa_offset(4) + cfi_rel_offset(%edi, 0) pushl %ebp cfi_adjust_cfa_offset(4) - cfi_offset(%ebx, -8) - cfi_offset(%esi, -12) - cfi_offset(%edi, -16) - cfi_offset(%ebp, -20) + cfi_rel_offset(%ebp, 0) + cfi_remember_state movl 20(%esp), %ebx @@ -120,32 +121,6 @@ __pthread_cond_broadcast: cmpl $0xfffff001, %eax jae 9f -10: xorl %eax, %eax - popl %ebp - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebp) - popl %edi - cfi_adjust_cfa_offset(-4) - cfi_restore(%edi) - popl %esi - cfi_adjust_cfa_offset(-4) - cfi_restore(%esi) - popl %ebx - cfi_adjust_cfa_offset(-4) - cfi_restore(%ebx) - ret - - cfi_adjust_cfa_offset(16) - cfi_offset(%ebx, -8) - cfi_offset(%esi, -12) - cfi_offset(%edi, -16) - cfi_offset(%ebp, -20) - .align 16 - /* Unlock. */ -4: LOCK - subl $1, cond_lock-cond_futex(%ebx) - jne 5f - 6: xorl %eax, %eax popl %ebp cfi_adjust_cfa_offset(-4) @@ -161,11 +136,8 @@ __pthread_cond_broadcast: cfi_restore(%ebx) ret - cfi_adjust_cfa_offset(16) - cfi_offset(%ebx, -8) - cfi_offset(%esi, -12) - cfi_offset(%edi, -16) - cfi_offset(%ebp, -20) + cfi_restore_state + /* Initial locking failed. */ 1: #if cond_lock == 0 @@ -186,7 +158,13 @@ __pthread_cond_broadcast: call __lll_lock_wait jmp 2b - /* Unlock in loop requires waekup. */ + .align 16 + /* Unlock. */ +4: LOCK + subl $1, cond_lock-cond_futex(%ebx) + je 6b + + /* Unlock in loop requires wakeup. */ 5: leal cond_lock-cond_futex(%ebx), %eax #if (LLL_SHARED-LLL_PRIVATE) > 255 xorl %ecx, %ecx @@ -201,7 +179,7 @@ __pthread_cond_broadcast: call __lll_unlock_wake jmp 6b - /* Unlock in loop requires waekup. */ + /* Unlock in loop requires wakeup. */ 7: leal cond_lock-cond_futex(%ebx), %eax #if (LLL_SHARED-LLL_PRIVATE) > 255 xorl %ecx, %ecx @@ -232,7 +210,7 @@ __pthread_cond_broadcast: addl $FUTEX_WAKE, %ecx movl $SYS_futex, %eax ENTER_KERNEL - jmp 10b + jmp 6b cfi_endproc .size __pthread_cond_broadcast, .-__pthread_cond_broadcast versioned_symbol (libpthread, __pthread_cond_broadcast, pthread_cond_broadcast, |