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authorUlrich Drepper <drepper@redhat.com>2005-03-31 10:02:53 +0000
committerUlrich Drepper <drepper@redhat.com>2005-03-31 10:02:53 +0000
commitee6189855aab3a9be8f3c2d95ce2b2cd17db4ec2 (patch)
treecf3e2fe1f9be5b358033fd927a0bd922542e04a1 /sysdeps/unix/sysv/linux/x86_64/swapcontext.S
parent4d6302cf51b16a129addf7687c91490c40a7225c (diff)
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* sysdeps/unix/sysv/linux/x86_64/getcontext.S: Use functionally
	equivalent, but shorter instructions.
	* sysdeps/unix/sysv/linux/x86_64/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/setcontext.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/clone.S: Likewise.
	* sysdeps/unix/sysv/linux/x86_64/swapcontext.S: Likewise.
	* sysdeps/unix/x86_64/sysdep.S: Likewise.
	* sysdeps/x86_64/strchr.S: Likewise.
	* sysdeps/x86_64/memset.S: Likewise.
	* sysdeps/x86_64/strcspn.S: Likewise.
	* sysdeps/x86_64/strcmp.S: Likewise.
	* sysdeps/x86_64/elf/start.S: Likewise.
	* sysdeps/x86_64/strspn.S: Likewise.
	* sysdeps/x86_64/dl-machine.h: Likewise.
	* sysdeps/x86_64/bsd-_setjmp.S: Likewise.
	* sysdeps/x86_64/bsd-setjmp.S: Likewise.
	* sysdeps/x86_64/strtok.S: Likewise.
Diffstat (limited to 'sysdeps/unix/sysv/linux/x86_64/swapcontext.S')
-rw-r--r--sysdeps/unix/sysv/linux/x86_64/swapcontext.S10
1 files changed, 5 insertions, 5 deletions
diff --git a/sysdeps/unix/sysv/linux/x86_64/swapcontext.S b/sysdeps/unix/sysv/linux/x86_64/swapcontext.S
index 4394e2ae9f..8d48d3bd5e 100644
--- a/sysdeps/unix/sysv/linux/x86_64/swapcontext.S
+++ b/sysdeps/unix/sysv/linux/x86_64/swapcontext.S
@@ -1,5 +1,5 @@
 /* Save current context and install the given one.
-   Copyright (C) 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Andreas Jaeger <aj@suse.de>, 2002.
 
@@ -73,9 +73,9 @@ ENTRY(__swapcontext)
 	   rt_sigprocmask (SIG_BLOCK, newset, oldset,_NSIG/8).  */
 	leaq	oSIGMASK(%rdi), %rdx
 	leaq	oSIGMASK(%rsi), %rsi
-	movq	$SIG_SETMASK, %rdi
-	movq	$_NSIG8,%r10
-	movq	$__NR_rt_sigprocmask, %rax
+	movl	$SIG_SETMASK, %edi
+	movl	$_NSIG8,%r10d
+	movl	$__NR_rt_sigprocmask, %eax
 	syscall
 	cmpq	$-4095, %rax		/* Check %rax for error.  */
 	jae	SYSCALL_ERROR_LABEL	/* Jump to error handler if error.  */
@@ -114,7 +114,7 @@ ENTRY(__swapcontext)
 	movq	oRSI(%rsi), %rsi
 
 	/* Clear rax to indicate success.  */
-	xorq	%rax, %rax
+	xorl	%eax, %eax
 
 L(pseudo_end):
 	ret