Re: [PATCH] fixed pr59651 & new test case

2014-01-07 Thread Richard Biener
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 >

[COMMITTED] [PATCH] fixed pr59651 & new test case

2014-01-03 Thread Bingfeng Mei
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

Re: [PING] [PATCH] fixed pr59651 & new test case

2014-01-03 Thread Jakub Jelinek
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

[PING] [PATCH] fixed pr59651 & new test case

2014-01-03 Thread Bingfeng Mei
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

[PATCH] fixed pr59651 & new test case

2014-01-02 Thread Bingfeng Mei
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