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authorAndreas Jaeger <aj@suse.de>2002-11-12 17:57:51 +0000
committerAndreas Jaeger <aj@suse.de>2002-11-12 17:57:51 +0000
commit7288b24f0cbe324caf66e6b9e85b0f17042e2e8b (patch)
tree0b8be24ed9971cdaecb55df8358cc2962c9b18d0 /sysdeps/x86_64
parent7ceef50ec9075b546eb84654bd0d1f42d0fe26d1 (diff)
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Fix algorithm to align source pointer correctly.
Diffstat (limited to 'sysdeps/x86_64')
-rw-r--r--sysdeps/x86_64/strcat.S4
1 files changed, 3 insertions, 1 deletions
diff --git a/sysdeps/x86_64/strcat.S b/sysdeps/x86_64/strcat.S
index 549fd21b4a..e406e34b36 100644
--- a/sysdeps/x86_64/strcat.S
+++ b/sysdeps/x86_64/strcat.S
@@ -141,11 +141,13 @@ ENTRY (BP_SYM (strcat))
 2:
 	/* Second step: Copy source to destination.  */
 
-	movq	%rax, %rcx	/* duplicate  */
+	movq	%rsi, %rcx	/* duplicate  */
 	andl	$7,%ecx		/* mask alignment bits */
 	movq	%rax, %rdx	/* move around */
 	jz	22f		/* aligned => start loop */
 
+	neg	%ecx		/* align to 8 bytes.  */
+	addl	$8, %ecx
 	/* Align the source pointer.  */
 21:
 	movb	(%rsi), %al	/* Fetch a byte */