From: Eric Botcazou <ebotcazou@adacore.com>
To: gcc-patches@gcc.gnu.org, Uros Bizjak <ubizjak@gmail.com>
Subject: Re: [PATCH, i386]: Extend TARGET_READ_MODIFY{,_WRITE} peepholes to all integer modes
Date: Fri, 29 Apr 2016 07:47:00 -0000 [thread overview]
Message-ID: <1744658.Bp6bspGrA0@polaris> (raw)
In-Reply-To: <CAFULd4bqYNLd0P4Vb7Oi3F0Y2ieDNG0peGqeD9kww7s6jkSCMw@mail.gmail.com>
> While looking at the insn enable condition, I noticed that we don't
> use "probe_stack" pattern any more, as the stack check loop is now
> implemented in a different way.
Yes, we do, probe_stack is a standard pattern called by the middle-end.
> 2016-04-28 Uros Bizjak <ubizjak@gmail.com>
>
> * config/i386/i386.md (peephole2s for operations with memory inputs):
> Use SWI mode iterator.
> (peephole2s for operations with memory outputs): Ditto.
> Do not check for stack checking probe.
>
> (probe_stack): Remove expander.
>
> Patch was bootstrapped and regression tested on x86_64-linux-gnu {,-m32}.
How did you test it exactly?
=== acats tests ===
FAIL: c52103x
FAIL: c52104x
--
Eric Botcazou
next prev parent reply other threads:[~2016-04-29 7:47 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-28 19:16 Uros Bizjak
2016-04-29 7:47 ` Eric Botcazou [this message]
2016-04-29 7:50 ` Uros Bizjak
2016-04-29 7:58 ` Eric Botcazou
2016-04-29 9:30 ` Uros Bizjak
2016-04-29 10:17 ` Eric Botcazou
2016-04-29 10:51 ` Uros Bizjak
2016-04-29 11:23 ` Eric Botcazou
2016-04-29 11:52 ` Uros Bizjak
2016-04-29 14:30 ` Eric Botcazou
2016-04-29 14:44 ` Uros Bizjak
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