[0/9] Make more use of opt_mode

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Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: domain of gcc-patches-return-461402-patch=linaro.org@gcc.gnu.org designates 209.132.180.131 as permitted sender) client-ip=209.132.180.131; DomainKey-Signature: a=rsa-sha1; c=nofws; d=gcc.gnu.org; h=list-id :list-unsubscribe:list-archive:list-post:list-help:sender:from :to:subject:date:message-id:mime-version:content-type; q=dns; s= default; b=K3OBstqiMYxkt4wnAj9vSXKApdS/3RTbE90I/hCqIU5QdW/hhVMcu g1VC3oeDqi7pxqEpxNuyi2dnvPlwMPH4DFj7B6dXjYTl9NUTt9fSFfWkder1fktu RL+uf6YVNBSvs4q/Sz1GZO9sTUUWPAWxJJ7aDE9XymnBssbTBnq5Qw= Mailing-List: contact gcc-patches-help@gcc.gnu.org; run by ezmlm Precedence: bulk Sender: gcc-patches-owner@gcc.gnu.org From: Richard Sandiford <richard.sandiford@linaro.org> To: gcc-patches@gcc.gnu.org Mail-Followup-To: gcc-patches@gcc.gnu.org, richard.sandiford@linaro.org Subject: [0/9] Make more use of opt_mode Date: Mon, 04 Sep 2017 12:24:26 +0100 Message-ID: <87tw0iiu51.fsf@linaro.org> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain
Series	Make more use of opt_mode \| expand [0/9] Make more use of opt_mode [1/9] Make more use of int_mode_for_mode [2/9] Make more use of int_mode_for_size [3/9] (decimal_)float_mode_for_size in real.h [4/9] Make mode_for_size return an opt_mode [5/9] Add mode_for_int_vector helper functions [6/9] Make mode_for_vector return an opt_mode [7/9] Make targetm.get_mask_mode return an opt_mode [8/9] Make mode_for_size_tree return an opt_mode [9/9] Make bitsize_mode_for_mode return an opt_mode

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Subject: [0/9] Make more use of opt_mode
Date: Mon, 04 Sep 2017 12:24:26 +0100
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Series

Make more use of opt_mode | expand

Message

Richard Sandiford Sept. 4, 2017, 11:24 a.m. UTC

The 77-patch machine-mode series originally targetted only the places
that needed to change for variable-sized modes, but as Richard B.
said on IRC, it meant that the interfaces of mode_for_size vs.
int_mode_for_size were inconsistent: the former still returns BLKmode
on failure, while the latter returns an opt_mode.

This series of patches tries to make the machine_mode functions
consistent.  Tested on aarch64-linux-gmu, x86_64-linux-gnu,
powerpc64le-linux-gnu, and by checking that there were no extra
warnings or changes in testsuite output for one target per CPU.

Richard