From 0e60d2696ef8b4b3f4007ad204a6a9c55ecab5a7 Mon Sep 17 00:00:00 2001
From: Walter Bright <walter@walterbright.com>
Date: Sun, 6 Jan 2013 23:46:10 -0800
Subject: [PATCH] set STACKALIGN for all targets

---
 src/backend/cg.c   | 8 ++------
 src/backend/cod3.c | 8 ++++++++
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/backend/cg.c b/src/backend/cg.c
index 2ee35f618208..fcb4ccde4f5b 100644
--- a/src/backend/cg.c
+++ b/src/backend/cg.c
@@ -1,5 +1,5 @@
 // Copyright (C) 1984-1995 by Symantec
-// Copyright (C) 2000-2009 by Digital Mars
+// Copyright (C) 2000-2012 by Digital Mars
 // All Rights Reserved
 // http://www.digitalmars.com
 // Written by Walter Bright
@@ -53,8 +53,4 @@ regm_t  DOUBLEREGS = DOUBLEREGS_16;
 symbol *localgot;               // reference to GOT for this function
 symbol *tls_get_addr_sym;       // function __tls_get_addr
 
-#if TARGET_OSX
-int STACKALIGN = 16;
-#else
-int STACKALIGN = 0;
-#endif
+int STACKALIGN = 2;             // default for 16 bit code
diff --git a/src/backend/cod3.c b/src/backend/cod3.c
index 22b1806d7379..2c56fe24640b 100644
--- a/src/backend/cod3.c
+++ b/src/backend/cod3.c
@@ -349,6 +349,12 @@ void cod3_set32()
 
     for (unsigned i = 0x80; i < 0x90; i++)
         inssize2[i] = W|T|6;
+
+#if TARGET_OSX
+    STACKALIGN = 16;   // 16 for OSX because OSX uses SIMD
+#else
+    STACKALIGN = 4;
+#endif
 }
 
 /********************************
@@ -378,6 +384,8 @@ void cod3_set64()
 
     for (unsigned i = 0x80; i < 0x90; i++)
         inssize2[i] = W|T|6;
+
+    STACKALIGN = 16;   // 16 rather than 8 because of SIMD alignment
 }
 
 /*********************************