From 7b15ed9ef455b6b66c6b376898a88aef5d6a9970 Mon Sep 17 00:00:00 2001
From: Ondřej Surý <ondrej@sury.org>
Date: Tue, 26 Apr 2011 09:55:32 +0200
Subject: Imported Upstream version 2011.04.13

---
 src/cmd/6l/pass.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

(limited to 'src/cmd/6l/pass.c')

diff --git a/src/cmd/6l/pass.c b/src/cmd/6l/pass.c
index 8fda94392..0b0ee1253 100644
--- a/src/cmd/6l/pass.c
+++ b/src/cmd/6l/pass.c
@@ -274,10 +274,10 @@ patch(void)
 		if(HEADTYPE == Hwindows) { 
 			// Windows
 			// Convert
-			//   op   n(GS), reg
+			//   op	  n(GS), reg
 			// to
 			//   MOVL 0x58(GS), reg
-			//   op   n(reg), reg
+			//   op	  n(reg), reg
 			// The purpose of this patch is to fix some accesses
 			// to extern register variables (TLS) on Windows, as
 			// a different method is used to access them.
@@ -674,6 +674,11 @@ dostkoff(void)
 				p->spadj = -autoffset;
 				p = appendp(p);
 				p->as = ARET;
+				// If there are instructions following
+				// this ARET, they come from a branch
+				// with the same stackframe, so undo
+				// the cleanup.
+				p->spadj = +autoffset;
 			}
 		}
 	}
-- 
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