From 868a262bb849dcdfbf5be6f15f2942421d5a2223 Mon Sep 17 00:00:00 2001
From: cinap_lenrek <cinap_lenrek@felloff.net>
Date: Wed, 5 Feb 2014 19:48:36 +0100
Subject: pc64: dont 4 byte align stack pointer for amd64 in sysexec()

---
 sys/src/9/port/sysproc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sys/src/9/port/sysproc.c b/sys/src/9/port/sysproc.c
index 05e590da0..5a602112a 100644
--- a/sys/src/9/port/sysproc.c
+++ b/sys/src/9/port/sysproc.c
@@ -361,7 +361,7 @@ sysexec(va_list list)
 	 * 8-byte align SP for those (e.g. sparc) that need it.
 	 * execregs() will subtract another 4 bytes for argc.
 	 */
-	if((ssize+4) & 7)
+	if(BY2WD == 4 && (ssize+4) & 7)
 		ssize += 4;
 
 	if(PGROUND(ssize) >= USTKSIZE)
-- 
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