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| author | Ulrich Drepper <drepper@redhat.com> | 2003-03-17 01:53:39 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2003-03-17 01:53:39 +0000 |
| commit | 25d025ce77452fa37ffda90de8ccd774d0924dab (patch) | |
| tree | 69d2d71df6af4c91d7fe58e110960a37684f4e53 | |
| parent | b6e2f87a61dd5af7088aab32cd8377c55925354c (diff) | |
| download | glibc-25d025ce77452fa37ffda90de8ccd774d0924dab.tar.gz glibc-25d025ce77452fa37ffda90de8ccd774d0924dab.tar.xz glibc-25d025ce77452fa37ffda90de8ccd774d0924dab.zip | |
(__lll_lock_wait): Remove jump prediction suffix.
4 files changed, 17 insertions, 14 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelmutex.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelmutex.S index d4fb50ac5b..484beafca9 100644 --- a/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelmutex.S +++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/lowlevelmutex.S @@ -88,10 +88,10 @@ __lll_mutex_timedlock_wait: movl %ecx, %ebp movl %edx, %edi - leal 1(%eax), %esi + +1: leal 1(%eax), %esi /* Get current time. */ -1: movl %esp, %ebx xorl %ecx, %ecx movl $SYS_gettimeofday, %eax @@ -120,11 +120,12 @@ __lll_mutex_timedlock_wait: movl %ebp, %ebx movl $SYS_futex, %eax ENTER_KERNEL + movl %eax, %ecx - movl $1, %esi + movl $1, %eax LOCK - xaddl %esi, (%ebx) - testl %esi, %esi + xaddl %eax, (%ebx) + testl %eax, %eax jne 7f movl $2, (%ebx) @@ -138,7 +139,7 @@ __lll_mutex_timedlock_wait: ret /* Check whether the time expired. */ -7: cmpl $-ETIMEDOUT, %eax +7: cmpl $-ETIMEDOUT, %ecx je 5f jmp 1b diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S index 755bb25896..aff449b13a 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S @@ -58,7 +58,7 @@ __lll_lock_wait: orl $-1, %esi /* Load -1. */ LOCK xaddl %esi, (%rdi) - jne,pn 1b + jne 1b movl $-1, (%rdi) diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h index ef3867bfb9..7d5df9521a 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h @@ -92,7 +92,7 @@ extern int __lll_mutex_unlock_wait (int *__futex) attribute_hidden; "jmp 2f\n\t" \ ".previous\n" \ "2:" \ - : "=S" (result), "=&D" (ignore1), "=&a" (ignore2), \ + : "=a" (result), "=&D" (ignore1), "=&S" (ignore2), \ "=&d" (ignore3), "=m" (futex) \ : "0" (1), "4" (futex), "m" (timeout) \ : "memory", "cx", "cc", "r10"); \ diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S index e189dc1266..1b2731a29e 100644 --- a/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S +++ b/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevelmutex.S @@ -87,10 +87,11 @@ __lll_mutex_timedlock_wait: movq %rdi, %r12 movq %rdx, %r13 - leaq 1(%rsi), %r14 + +1: leaq 1(%rax), %r14 /* Get current time. */ -1: movq %rsp, %rdi + movq %rsp, %rdi xorq %rsi, %rsi movq $VSYSCALL_ADDR_vgettimeofday, %rax /* This is a regular function call, all calleer-save registers @@ -121,11 +122,12 @@ __lll_mutex_timedlock_wait: movq %r12, %rdi movq $SYS_futex, %rax syscall + movq %rax, %rcx - movl $1, %r14d + movl $1, %eax LOCK - xaddl %r14d, (%rdi) - testl %r14d, %r14d + xaddl %eax, (%rdi) + testl %eax, %eax jne 7f movl $2, (%rdi) @@ -138,7 +140,7 @@ __lll_mutex_timedlock_wait: retq /* Check whether the time expired. */ -7: cmpq $-ETIMEDOUT, %rax +7: cmpq $-ETIMEDOUT, %rcx je 5f jmp 1b |