Re: [PATCH] compile-i386: do not generate an infinite loop

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On Wednesday 22 of July 2009 18:51:14 Jeff Garzik wrote:
> Christopher Li wrote:
> > Oh one last thing. I need a signed-off line from you.
>
> I think sparse needs some text document, describing what Signed-off-by
> means.  I did this in one of my own projects by copying the relevant
> "DCO" from kernel tree's Documentation/SubmittingPatches.

Thanks! I was just looking for some info about "Signed-off-by"...

The signed-off patch is attached.

Kamil
From 984e2612d2174390a54a36a805051c3f66cf6250 Mon Sep 17 00:00:00 2001
From: Kamil Dudka <kdudka@xxxxxxxxxx>
Date: Sat, 18 Jul 2009 23:16:53 +0200
Subject: [PATCH] compile-i386: do not generate infinite loop

Signed-off-by: Kamil Dudka <kdudka@xxxxxxxxxx>
---
 compile-i386.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/compile-i386.c b/compile-i386.c
index 37ea52e..abe9313 100644
--- a/compile-i386.c
+++ b/compile-i386.c
@@ -1913,6 +1913,10 @@ static void emit_loop(struct statement *stmt)
 
 	x86_symbol_decl(stmt->iterator_syms);
 	x86_statement(pre_statement);
+	if (!post_condition || post_condition->type != EXPR_VALUE || post_condition->value) {
+		loop_top = new_label();
+		emit_label(loop_top, "loop top");
+	}
 	if (pre_condition) {
 		if (pre_condition->type == EXPR_VALUE) {
 			if (!pre_condition->value) {
@@ -1936,10 +1940,6 @@ static void emit_loop(struct statement *stmt)
 			insn("jz", lbv, NULL, NULL);
 		}
 	}
-	if (!post_condition || post_condition->type != EXPR_VALUE || post_condition->value) {
-		loop_top = new_label();
-		emit_label(loop_top, "loop top");
-	}
 	x86_statement(statement);
 	if (stmt->iterator_continue->used)
 		emit_label(loop_continue, "'continue' iterator");
-- 
1.6.3.3


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