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Message-ID: <51643853.3090105@arm.com>
Date: Tue, 09 Apr 2013 18:13:00 -0000
From: Richard Earnshaw <rearnsha@arm.com>
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To: Greta Yorsh <Greta.Yorsh@arm.com>
CC: GCC Patches <gcc-patches@gcc.gnu.org>,  Ramana Radhakrishnan <Ramana.Radhakrishnan@arm.com>, "nickc@redhat.com" <nickc@redhat.com>,  "paul@codesourcery.com" <paul@codesourcery.com>
Subject: Re: [PATCH,ARM][3/n] Split various patterns
References: <001101ce0e05$f5928a50$e0b79ef0$@yorsh@arm.com> <001b01ce0e07$37a73cf0$a6f5b6d0$@yorsh@arm.com>
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On 18/02/13 18:38, Greta Yorsh wrote:
> Convert define_insn into define_insn_and_split for various patterns that
> output multiple assembly instructions.
>
> It appears that preparation statements in define_insn_and_split sometimes
> are called with which_alternative set to -1 even after reload. Therefore,
> preparation statements use conditions on the operands instead of
> which_alternative.
>
> gcc/
>
> 2013-02-14  Greta Yorsh  <Greta.Yorsh@arm.com>
>
>        * config/arm/arm.md (andsi_iorsi3_notsi): Convert define_insn into
>        define_insn_and_split.
>        (arm_negdi2,arm_abssi2,arm_neg_abssi2): Likewise.
>        (arm_cmpdi_insn,arm_cmpdi_unsigned): Likewise.
>

OK.

R.