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Update.
authorUlrich Drepper <drepper@redhat.com>
Thu, 6 Feb 2003 08:38:56 +0000 (08:38 +0000)
committerUlrich Drepper <drepper@redhat.com>
Thu, 6 Feb 2003 08:38:56 +0000 (08:38 +0000)
2003-02-06  Ulrich Drepper  <drepper@redhat.com>

* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Remove wrong
but inactive generalization.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Likewise.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S: Likewise.
Minor optimization, remove one instruction.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S: Likewise.

nptl/ChangeLog patch | blob | history
nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S patch | blob | history
nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S patch | blob | history
nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S patch | blob | history
nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S patch | blob | history

diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 40f2dd5..997fbbf 100644 (file)
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,12 @@
+2003-02-06  Ulrich Drepper  <drepper@redhat.com>
+
+       * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Remove wrong
+       but inactive generalization.
+       * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Likewise.
+       * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S: Likewise.
+       Minor optimization, remove one instruction.
+       * sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S: Likewise.
+
 2003-02-04  Martin Schwidefsky  <schwidefsky@de.ibm.com>
 
        * sysdeps/unix/sysv/linux/s390/fork.c: Correct order of parameters.
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 90d2d3b..81a4623 100644 (file)
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S
@@ -44,9 +44,6 @@ __pthread_cond_broadcast:
        pushl   %ebx
 
        movl    12(%esp), %ebx
-#if cond_lock != 0
-       addl    $cond_lock, %ebx
-#endif
 
        /* Get internal lock.  */
        movl    $1, %eax
@@ -72,22 +69,16 @@ __pthread_cond_broadcast:
        movl    %eax, wakeup_seq+4(%ebx)
 
        /* Wake up all threads.  */
-       addl    $wakeup_seq-cond_lock, %ebx
+       addl    $wakeup_seq, %ebx
        movl    $FUTEX_WAKE, %ecx
        xorl    %esi, %esi
        movl    $SYS_futex, %eax
        movl    $0x7fffffff, %edx
        ENTER_KERNEL
 
-       subl    $wakeup_seq-cond_lock, %ebx
-
        /* Unlock.  */
 4:     LOCK
-#if cond_lock == 0
-       decl    (%ebx)
-#else
-       decl    cond_lock(%ebx)
-#endif
+       decl    cond_lock-wakeup_seq(%ebx)
        jne     5f
 
 6:     xorl    %eax, %eax
@@ -107,11 +98,7 @@ __pthread_cond_broadcast:
 
        /* Unlock in loop requires waekup.  */
 5:
-#if cond_lock == 0
-       movl    %ebx, %eax
-#else
-       leal    cond_lock(%ebx), %eax
-#endif
+       leal    cond_lock-wakeup_seq(%ebx), %eax
        call    __lll_mutex_unlock_wake
        jmp     6b
        .size   __pthread_cond_broadcast, .-__pthread_cond_broadcast
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S
index 5067345..a581c12 100644 (file)
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S
@@ -42,9 +42,6 @@ __pthread_cond_signal:
 
        pushl   %esi
        pushl   %ebx
-#if cond_lock != 0
-       addl    $cond_lock, %ebx
-#endif
 
        movl    12(%esp), %ebx
 
@@ -72,22 +69,16 @@ __pthread_cond_signal:
        adcl    $0, wakeup_seq+4(%ebx)
 
        /* Wake up one thread.  */
-       addl    $wakeup_seq-cond_lock, %ebx
+       addl    $wakeup_seq, %ebx
        movl    $FUTEX_WAKE, %ecx
        xorl    %esi, %esi
        movl    $SYS_futex, %eax
        movl    %ecx, %edx      /* movl $1, %edx */
        ENTER_KERNEL
 
-       subl    $wakeup_seq-cond_lock, %ebx
-
        /* Unlock.  */
 4:     LOCK
-#if cond_lock == 0
-       decl    (%ebx)
-#else
-       decl    cond_lock(%ebx)
-#endif
+       decl    cond_lock-wakeup_seq(%ebx)
        jne     5f
 
 6:     xorl    %eax, %eax
@@ -107,11 +98,7 @@ __pthread_cond_signal:
 
        /* Unlock in loop requires waekup.  */
 5:
-#if cond_lock == 0
-       movl    %ebx, %eax
-#else
-       leal    cond_lock(%ebx), %eax
-#endif
+       leal    cond_lock-wakeup_seq(%ebx), %eax
        call    __lll_mutex_unlock_wake
        jmp     6b
        .size   __pthread_cond_signal, .-__pthread_cond_signal
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S
index 7b8ec93..c520f28 100644 (file)
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S
@@ -51,9 +51,6 @@ __pthread_cond_timedwait:
 
        movl    20(%esp), %ebx
        movl    28(%esp), %ebp
-#if cond_lock != 0
-       addl    $cond_lock, %ebx
-#endif
 
        /* Get internal lock.  */
        movl    $1, %eax
@@ -134,10 +131,10 @@ __pthread_cond_timedwait:
        leal    4(%esp), %esi
        xorl    %ecx, %ecx      /* movl $FUTEX_WAIT, %ecx */
        movl    %edi, %edx
-       addl    $wakeup_seq-cond_lock, %ebx
+       addl    $wakeup_seq, %ebx
        movl    $SYS_futex, %eax
        ENTER_KERNEL
-       subl    $wakeup_seq-cond_lock, %ebx
+       subl    $wakeup_seq, %ebx
        movl    %eax, %esi
 
        call    __pthread_disable_asynccancel
diff --git a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S
index 438fcca..e43bcba 100644 (file)
--- a/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S
+++ b/nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S
@@ -41,9 +41,6 @@
 __condvar_cleanup:
        pushl   %ebx
        movl    8(%esp), %ebx
-#if cond_lock != 0
-       addl    $cond_lock, %ebx
-#endif
 
        /* Get internal lock.  */
        movl    $1, %eax
@@ -70,7 +67,11 @@ __condvar_cleanup:
        adcl    $0, woken_seq+4(%ebx)
 
        LOCK
+#if cond_lock == 0
        decl    (%ebx)
+#else
+       decl    cond_lock(%ebx)
+#endif
        je      2f
 #if cond_lock == 0
        movl    %ebx, %eax
@@ -96,9 +97,6 @@ __pthread_cond_wait:
 
        xorl    %esi, %esi
        movl    16(%esp), %ebx
-#if cond_lock != 0
-       addl    $cond_lock, %ebx
-#endif
 
        /* Get internal lock.  */
        movl    $1, %eax
@@ -153,10 +151,10 @@ __pthread_cond_wait:
 
        movl    %esi, %ecx      /* movl $FUTEX_WAIT, %ecx */
        movl    %edi, %edx
-       addl    $wakeup_seq-cond_lock, %ebx
+       addl    $wakeup_seq, %ebx
        movl    $SYS_futex, %eax
        ENTER_KERNEL
-       subl    $wakeup_seq-cond_lock, %ebx
+       subl    $wakeup_seq, %ebx
 
        call    __pthread_disable_asynccancel
 
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