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From: Tom de Vries <vries@codesourcery.com>
To: Zdenek Dvorak <rakdver@kam.mff.cuni.cz>
Cc: gcc-patches@gcc.gnu.org
Subject: Re: [PATCH PR45098] Disallow NULL pointer in pointer arithmetic
Date: Thu, 16 Jun 2011 06:51:00 -0000	[thread overview]
Message-ID: <4DF9A5E9.8080703@codesourcery.com> (raw)
In-Reply-To: <4DF9A526.9060906@codesourcery.com>

[-- Attachment #1: Type: text/plain, Size: 340 bytes --]

On 06/16/2011 08:39 AM, Tom de Vries wrote:
> I will sent the adapted test cases in a separate email.

Update 2 test cases to be more strict, and more like the original example.

Thanks,
- Tom

2011-06-15  Tom de Vries  <tom@codesourcery.com>

	PR target/45098
	* gcc.target/arm/ivopts-3.c: Update test.
	* gcc.target/arm/ivopts-5.c: Same.

[-- Attachment #2: 15_pr45098-null.test.patch --]
[-- Type: text/x-patch, Size: 954 bytes --]

diff -u gcc/testsuite/gcc.target/arm/ivopts-3.c (revision 0) gcc/testsuite/gcc.target/arm/ivopts-3.c (revision 0)
--- gcc/testsuite/gcc.target/arm/ivopts-3.c (revision 0)
+++ gcc/testsuite/gcc.target/arm/ivopts-3.c (revision 0)
@@ -8,14 +8,8 @@
 {
   int sum = 0;
   unsigned int x;
-  x = 0;
-  while (1)
-    {
-      sum += foo2 (&array[x]);
-      if (!(x < n))
-        break;
-      x++;
-    }
+  for (x = 0; x < n; ++x)
+    sum += foo2 (&array[x]);
   return sum;
 }
 
diff -u gcc/testsuite/gcc.target/arm/ivopts-5.c (revision 0) gcc/testsuite/gcc.target/arm/ivopts-5.c (revision 0)
--- gcc/testsuite/gcc.target/arm/ivopts-5.c (revision 0)
+++ gcc/testsuite/gcc.target/arm/ivopts-5.c (revision 0)
@@ -8,14 +8,8 @@
 {
   int sum = 0;
   unsigned int x;
-  x = 0;
-  while (1)
-    {
-      sum += foo (&array[x]);
-      if (!(x < n))
-        break;
-      x++;
-    }
+  for (x = 0; x < n; ++x)
+    sum += foo (&array[x]);
   return sum;
 }
 

  reply	other threads:[~2011-06-16  6:42 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-16  6:42 Tom de Vries
2011-06-16  6:51 ` Tom de Vries [this message]
2011-06-16  7:34 ` Zdenek Dvorak
2011-06-16 12:22   ` Tom de Vries
2011-06-16 15:33     ` Zdenek Dvorak
2011-06-16 15:42       ` Richard Guenther
2011-06-16 15:54         ` Zdenek Dvorak
2011-06-16 18:10           ` Tom de Vries
2011-06-16 22:03 ` Jeff Law
2011-06-17 10:44   ` Tom de Vries
2011-06-17 10:56     ` Richard Guenther
2011-06-17 10:57       ` Zdenek Dvorak
2011-06-17 11:13         ` Richard Guenther
2011-06-17 11:22           ` Zdenek Dvorak
2011-06-17 13:01             ` Richard Guenther
2011-06-17 14:57               ` Zdenek Dvorak
2011-06-17 18:24                 ` Jeff Law
2011-06-20 11:06                   ` Richard Guenther
2011-06-20 12:26                     ` Zdenek Dvorak
2011-06-20 12:41                       ` Zdenek Dvorak
2011-06-20 13:29                         ` Richard Guenther
2011-06-20 13:35                           ` Michael Matz

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