From 2c555e9f247d864f0a77bcbeeca02d460e8e356f Mon Sep 17 00:00:00 2001
From: peter <peter@FreeBSD.org>
Date: Wed, 30 Apr 2003 18:13:48 +0000
Subject: Update for AMD64.  Depend on %rdi (first syscall argument) being
 preserved across a "syscall"-style syscall

---
 lib/libc/amd64/sys/pipe.S | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

(limited to 'lib')

diff --git a/lib/libc/amd64/sys/pipe.S b/lib/libc/amd64/sys/pipe.S
index 99a7ff0..87bda41 100644
--- a/lib/libc/amd64/sys/pipe.S
+++ b/lib/libc/amd64/sys/pipe.S
@@ -43,8 +43,7 @@ __FBSDID("$FreeBSD$");
 #include "SYS.h"
 
 SYSCALL(pipe)
-	movl	4(%esp),%ecx
-	movl	%eax,(%ecx)
-	movl	%edx,4(%ecx)
-	movl	$0,%eax
+	movl	%eax,(%rdi)	/* %rdi is preserved by syscall */
+	movl	%edx,4(%rdi)
+	movq	$0,%rax
 	ret
-- 
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