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authorUlrich Drepper <drepper@redhat.com>2003-02-06 08:38:56 +0000
committerUlrich Drepper <drepper@redhat.com>2003-02-06 08:38:56 +0000
commit11090a992df365ac6b107027f2c932028172dcbf (patch)
tree55c0fbdd46957216487f59f5233901e7ccd5a8c6
parent432cf458f981cb1e9c9051cc39217fc7773f45dd (diff)
downloadglibc-11090a992df365ac6b107027f2c932028172dcbf.tar.gz
glibc-11090a992df365ac6b107027f2c932028172dcbf.tar.xz
glibc-11090a992df365ac6b107027f2c932028172dcbf.zip
Update.
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.
-rw-r--r--nptl/ChangeLog9
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_broadcast.S19
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_signal.S19
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S7
-rw-r--r--nptl/sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S14
5 files changed, 23 insertions, 45 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 40f2dd5254..997fbbff7e 100644
--- 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 90d2d3ba90..81a4623a9c 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
@@ -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 5067345b72..a581c127b2 100644
--- 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 7b8ec9328f..c520f287d9 100644
--- 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 438fcca6a4..e43bcbac82 100644
--- 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