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Re: [PATCH] Avoid optimizing memory references with side effects in compare-elim.c

From: Eric Botcazou <ebotcazou at adacore dot com>
To: Paul Koning <paulkoning at comcast dot net>
Cc: gcc-patches at gcc dot gnu dot org, Richard Sandiford <rdsandiford at googlemail dot com>
Date: Thu, 07 Jun 2018 17:37:06 +0200
Subject: Re: [PATCH] Avoid optimizing memory references with side effects in compare-elim.c
References: <03256FC2-7A81-44D7-B595-A9978D0E529C@comcast.net> <2913260.EDVQVDJvb4@polaris> <EDC26E2A-71EB-4826-970D-0693E3A3291A@comcast.net>

> Here is a corrected version.  Ok with this change?
> 
> 	paul
> 
> gcc/ChangeLog:
> 
> 2018-06-06  Paul Koning  <ni1d@arrl.net>
> 
> 	* compare-elim.c (try_merge_compare): Don't merge compare if
> 	address contains a side effect.
> 	(try_eliminate_compare): Likewise.
> 	* gcc.c-torture/compile/20180605-1.c: New test case.

OK for mainline, thanks.

-- 
Eric Botcazou

Follow-Ups:
- Re: [PATCH] Avoid optimizing memory references with side effects in compare-elim.c
  - From: Paul Koning

References:
- [PATCH] Avoid optimizing memory references with side effects in compare-elim.c
  - From: Paul Koning
- Re: [PATCH] Avoid optimizing memory references with side effects in compare-elim.c
  - From: Eric Botcazou
- Re: [PATCH] Avoid optimizing memory references with side effects in compare-elim.c
  - From: Paul Koning

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