29 lines
628 B
Diff
29 lines
628 B
Diff
|
From: christos <christos>
|
||
|
|
Date: Thu, 28 May 2015 11:47:03 +0000
|
||
|
|
Subject: [PATCH] avoid gcc-5 optimization malloc + memset = calloc (Fridolin
|
||
|
|
Pokorny)
|
||
|
|
|
||
|
|
---
|
||
|
|
tc.alloc.c | 5 ++++-
|
||
|
|
1 file changed, 4 insertions(+), 1 deletion(-)
|
||
|
|
|
||
|
|
diff --git a/tc.alloc.c b/tc.alloc.c
|
||
|
|
index b9aec63..c1cb330 100644
|
||
|
|
--- a/tc.alloc.c
|
||
|
|
+++ b/tc.alloc.c
|
||
|
|
@@ -348,10 +348,13 @@ calloc(size_t i, size_t j)
|
||
|
|
{
|
||
|
|
#ifndef lint
|
||
|
|
char *cp;
|
||
|
|
+ volatile size_t k;
|
||
|
|
|
||
|
|
i *= j;
|
||
|
|
cp = xmalloc(i);
|
||
|
|
- memset(cp, 0, i);
|
||
|
|
+ /* Stop gcc 5.x from optimizing malloc+memset = calloc */
|
||
|
|
+ k = i;
|
||
|
|
+ memset(cp, 0, k);
|
||
|
|
|
||
|
|
return ((memalign_t) cp);
|
||
|
|
#else
|