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Re: [PATCH, middle-end]: Fix PR88129, Two blockage insns are emitted in the function epilogue
- From: Richard Biener <rguenther at suse dot de>
- To: Uros Bizjak <ubizjak at gmail dot com>,"gcc-patches at gcc dot gnu dot org" <gcc-patches at gcc dot gnu dot org>
- Cc: Eric Botcazou <ebotcazou at adacore dot com>
- Date: Wed, 21 Nov 2018 21:09:39 +0100
- Subject: Re: [PATCH, middle-end]: Fix PR88129, Two blockage insns are emitted in the function epilogue
- References: <CAFULd4axsPOJTzF9uQOKtZmWSZM7nGvy=ACnR8gjMJp+1QZa=g@mail.gmail.com>
On November 21, 2018 8:44:46 PM GMT+01:00, Uros Bizjak <ubizjak@gmail.com> wrote:
>Hello!
>
>Attached patch removes extra blockage insn generation. For the
>software archaeology, please see the PR [1], where it was determined,
>that the removed part is probably a dataflow branch to trunk merge
>oversight.
>
>2018-11-21 Uros Bizjak <ubizjak@gmail.com>
>
> PR middle-end/88129
> * function.c (expand_function_end): Do not emit extra blockage insn.
>
>Patch was bootstrapped and regression tested on x86_64-linux-gnu
>{,-m32} for all default languages, obj-c++ and go.
>
>OK for mainline?
OK.
Richard.
>[1] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88129
>
>Uros.