From: Eric Botcazou <ebotcazou@adacore.com>
To: Daniel Cederman <cederman@gaisler.com>
Cc: gcc-patches@gcc.gnu.org, sebastian.huber@embedded-brains.de,
daniel@gaisler.com
Subject: Re: [PATCH v3 1/4] [SPARC] Errata workaround for GRLIB-TN-0012
Date: Wed, 29 Nov 2017 10:38:00 -0000 [thread overview]
Message-ID: <1802043.rbm1oTgzz3@polaris> (raw)
In-Reply-To: <20171128122441.30772-1-cederman@gaisler.com>
> 2017-11-17 Daniel Cederman <cederman@gaisler.com>
>
> * config/sparc/sparc.c (fpop_insn_p): New function.
> (sparc_do_work_around_errata): Insert NOP instructions to
> prevent sequences that could trigger the TN-0012 errata for
> GR712RC.
> (pass_work_around_errata::gate): Also test sparc_fix_gr712rc.
> * config/sparc/sparc.md (fix_gr712rc): New attribute.
> (in_branch_annul_delay): Prevent floating-point instructions
> in delay slot of annulled integer branch.
OK for mainline and 7 branch, thanks.
--
Eric Botcazou
prev parent reply other threads:[~2017-11-29 10:09 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-28 14:24 Daniel Cederman
2017-11-29 10:38 ` Eric Botcazou [this message]
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