From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 7810) id 77396385843E; Thu, 19 Oct 2023 10:14:49 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 77396385843E DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1697710489; bh=QHr/NFIxRBYbu5RqaMS6cJICzxVsUooTI9J/SuIlg9o=; h=From:To:Subject:Date:From; b=EnAF7nK7jOuhlHGFP3vsh726sImlCM0/6fLUpC0fIPwMd1NPyzdMyp/DXdSA2rucy SRD7O95c2csWC0Bme9Z6oq+PxguO3MSrHD5YgDJq0uU7KDNfM0gKPGoT74BKnPmpyA P9S/+5ok9/IR8e7kTBwcgjxrxLsvpmT0D586qs/g= MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="utf-8" From: Alex Coplan To: gcc-cvs@gcc.gnu.org Subject: [gcc r14-4737] rtl-ssa: Add drop_memory_access helper X-Act-Checkin: gcc X-Git-Author: Alex Coplan X-Git-Refname: refs/heads/master X-Git-Oldrev: c338083377021d27ce625fcd312c316e20e1792c X-Git-Newrev: c95aab23c152115cd567541dd134f3fab6f45e78 Message-Id: <20231019101449.77396385843E@sourceware.org> Date: Thu, 19 Oct 2023 10:14:49 +0000 (GMT) List-Id: https://gcc.gnu.org/g:c95aab23c152115cd567541dd134f3fab6f45e78 commit r14-4737-gc95aab23c152115cd567541dd134f3fab6f45e78 Author: Alex Coplan Date: Tue Aug 22 13:37:53 2023 +0100 rtl-ssa: Add drop_memory_access helper Add a helper routine to access-utils.h which removes the memory access from an access_array, if it has one. gcc/ChangeLog: * rtl-ssa/access-utils.h (drop_memory_access): New. Diff: --- gcc/rtl-ssa/access-utils.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/gcc/rtl-ssa/access-utils.h b/gcc/rtl-ssa/access-utils.h index fbaaaa2c2d3a..84d386b7d8bd 100644 --- a/gcc/rtl-ssa/access-utils.h +++ b/gcc/rtl-ssa/access-utils.h @@ -51,6 +51,19 @@ memory_access (T accesses) -> decltype (accesses[0]) return nullptr; } +// If ACCESSES has a memory access, drop it. Otherwise, return ACCESSES +// unchanged. +template +inline T +drop_memory_access (T accesses) +{ + if (!memory_access (accesses)) + return accesses; + + access_array arr (accesses); + return T (arr.begin (), accesses.size () - 1); +} + // If sorted array ACCESSES includes a reference to REGNO, return the // access, otherwise return null. template