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RE: [PATCH GCC]Catch more MEM_REFs sharing common addressing part in gimple strength reduction
- From: "bin.cheng" <bin dot cheng at arm dot com>
- To: "'Dominique Dhumieres'" <dominiq at lps dot ens dot fr>, <gcc-patches at gcc dot gnu dot org>
- Cc: <hjl dot tools at gmail dot com>
- Date: Wed, 18 Sep 2013 09:26:40 +0800
- Subject: RE: [PATCH GCC]Catch more MEM_REFs sharing common addressing part in gimple strength reduction
- Authentication-results: sourceware.org; auth=none
- References: <20130917174653 dot 73F743BE1E at mailhost dot lps dot ens dot fr>
> -----Original Message-----
> From: Dominique Dhumieres [mailto:dominiq@lps.ens.fr]
> Sent: Wednesday, September 18, 2013 1:47 AM
> To: gcc-patches@gcc.gnu.org
> Cc: hjl.tools@gmail.com; Bin Cheng
> Subject: Re: [PATCH GCC]Catch more MEM_REFs sharing common
> addressing part in gimple strength reduction
>
> The new test gcc.dg/tree-ssa/slsr-39.c fails in 64 bit mode (see
> http://gcc.gnu.org/ml/gcc-regression/2013-09/msg00455.html ).
> Looking for MEM in the dump returns
>
> _12 = MEM[(int[50] *)_17];
> MEM[(int[50] *)_20] = _13;
>
Thanks for reporting, I think this can be fixed by patch:
http://gcc.gnu.org/ml/gcc-patches/2013-09/msg00761.html
Thanks.
bin