On Thu, Jan 2, 2014 at 4:02 PM, Bingfeng Mei wrote:
> Hi,
> This patch fixes pr59651. The original regression for pr52943 only appears on
> AArch64 target. I constructed a similar test that also exposes bug on x86-64.
> The problem is that calculation of address range in alias versioning for
>
Jakub, thanks. Committed with suggested changes.
Bingfeng
-Original Message-
From: Jakub Jelinek [mailto:ja...@redhat.com]
Sent: 03 January 2014 14:26
To: Bingfeng Mei
Cc: gcc-patches@gcc.gnu.org; tbela...@arm.com
Subject: Re: [PING] [PATCH] fixed pr59651 & new test case
On Fri, Ja
On Fri, Jan 03, 2014 at 02:07:03PM +, Bingfeng Mei wrote:
> This patch fixes pr59651. The original regression for pr52943 only
> appears on AArch64 target. I constructed a similar test that also exposes
> bug on x86-64. The problem is that calculation of address range in alias
> versioning f
Updated: the patch passes aarch64 tests. Added missing ChangeLog entry for
testsuite. OK to commit?
Bingfeng
-Original Message-
From: Bingfeng Mei
Sent: 02 January 2014 15:02
To: gcc-patches@gcc.gnu.org
Cc: 'tbela...@arm.com'
Subject: [PATCH] fixed pr59651 & new test c
Hi,
This patch fixes pr59651. The original regression for pr52943 only appears on
AArch64 target. I constructed a similar test that also exposes bug on x86-64.
The problem is that calculation of address range in alias versioning for loops
with negative step is wrong during vectorization. For ex