From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-oi1-x230.google.com (mail-oi1-x230.google.com [IPv6:2607:f8b0:4864:20::230]) by sourceware.org (Postfix) with ESMTPS id F00C0385828D for ; Sun, 4 Feb 2024 21:28:46 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org F00C0385828D Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com ARC-Filter: OpenARC Filter v1.0.0 sourceware.org F00C0385828D Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=2607:f8b0:4864:20::230 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1707082130; cv=none; b=EU7Xl/52l4k6NJ5g/BPY+wAER6Dn9IfiPoFFApfQVX4MHP54SPr0GyFDuo/X/+YxGubtfHT61u2+Qg52c53eYFP0yo+M2kEWdtYsfV/YA+tjYs2XaQqPGV5y3cJ2ZefxulRWtZ5cu98x9xcP9lf/aqt6vx+JGkL1LhNKko2jBXk= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1707082130; c=relaxed/simple; bh=iTD8ycgrDX1iFCsA0KlW5aprLM3lwJWcftLK/d7CD18=; h=DKIM-Signature:MIME-Version:From:Date:Message-ID:Subject:To; b=Fa7CnDQ/7k7ovTdiftpRrtWuOfPB1zeiqoOdK5i+JJ/xS1ttEeD6Kd25C1nt4gfx7RFUBs/aaw59rhcV8dFYrpHE1kiPie2B/wa+ZCket9F9N04KR4AR53F9U4lVv+9G1Wenb9IpNg8Hg8y2BZL1pdYDjOiZQdBYdCSo5dyuQW0= ARC-Authentication-Results: i=1; server2.sourceware.org Received: by mail-oi1-x230.google.com with SMTP id 5614622812f47-3bbbc6bcc78so2866017b6e.1 for ; Sun, 04 Feb 2024 13:28:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1707082126; x=1707686926; darn=gcc.gnu.org; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:from:to:cc:subject:date :message-id:reply-to; bh=P73tkbn/zdG85ZElO1OltJ+ruRsEITAxERlThVR4RJE=; b=J8kTcuWWWcSOuKOGftPz/Evc7LxWNzptYRApH7ujWFJmcnncdZRKQB9eES0ZVjHy5E Ni+MlE1E9ca36fU86xw6OJ/xoZWLpB2QpW7B9gEQuDqJVMaTb1/9P2syGWi5gsM41RNp rWhPmqIrksO/m16haQTnhRvzyt9FOajvcYNhqqXhyPGKpZUDJFsNdFKXOApFs+eluBTp UFuoUnspmcb7RFNC6NEkLbA/YnVAbvqpAOaTq7I1M8eAhwjrFGjQh5BMyrjJZmO8XIm7 8qBW/7X8KpPWjItkkJGGwrW8Pg9bsJ1CWHASOQ09h3izYNMdavt7EvZK44xdXoyPwlPU 3t3w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1707082126; x=1707686926; h=content-transfer-encoding:cc:to:subject:message-id:date:from :in-reply-to:references:mime-version:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=P73tkbn/zdG85ZElO1OltJ+ruRsEITAxERlThVR4RJE=; b=hsEPeLRM/z+xZhwSLf59tLfTYPIAXUDWYpL4tI8eYTJj6wsxjejVxNkZyBDJxIhsBK 8mVh6fwASXaCgyVXKmn/5BfpB8JH1T4fZvV/S/jQMvKcFigSr1VKNkQFMoxcVIpJWxFb sEzgSjbb/jZSCkjXMmtY2OvT4A/I+7/vENAQvi862+2JJKrohwwu4ZMgXL0G68Ap+NqX c0LelZppRK+f6jWOQm9dloKDlKP11R5Ox0joh/OcrQMdBE8eLaH7iVeNwwoqmVdkRzfq k93kPu2XFuul6ImpVizxZOBQqkqbR9hKdqB75Fa7XZ26cDHQbi6aagtP2CZpFKhCXRFO LNoA== X-Gm-Message-State: AOJu0YwABuSNiGVGzxc3krZxKV08xjnxT7sAS8PKcdkKOCyuMoWiZhnL SLuUxYIfnvPX3s4FW/crUbJdGawZS/5Xf+eHM7zWzVaczBdDqw/yVuxMTqqsUzJEMY1RNvDJB6L yPFH6ASy7uU4QVf4kuGqGbjls2lw= X-Google-Smtp-Source: AGHT+IF1725EesUm03FE8JjU/CK1snX9vWJVl3hwwbPfTEFudLVundWyjxmj7NMlo7IbjefYPVviKEAss4zWgGun4Qs= X-Received: by 2002:a05:6808:1597:b0:3bf:dc8c:7a10 with SMTP id t23-20020a056808159700b003bfdc8c7a10mr1945057oiw.45.1707082126139; Sun, 04 Feb 2024 13:28:46 -0800 (PST) MIME-Version: 1.0 References: <2c6cd2b5-e436-4608-a0b7-ad8a57bc186b.ref@yahoo.co.jp> <2c6cd2b5-e436-4608-a0b7-ad8a57bc186b@yahoo.co.jp> In-Reply-To: <2c6cd2b5-e436-4608-a0b7-ad8a57bc186b@yahoo.co.jp> From: Max Filippov Date: Sun, 4 Feb 2024 13:28:34 -0800 Message-ID: Subject: Re: [PATCH 1/2 v2] xtensa: Recover constant synthesis for HImode after LRA transition To: "Takayuki 'January June' Suwa" Cc: GCC Patches Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=0.2 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,FROM_LOCAL_NOVOWEL,HK_RANDOM_ENVFROM,HK_RANDOM_FROM,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Sun, Feb 4, 2024 at 2:20=E2=80=AFAM Takayuki 'January June' Suwa wrote: > > After LRA transition, HImode constants that don't fit into signed 12 bits > are no longer subject to constant synthesis: > > /* example */ > void test(void) { > short foo =3D 32767; > __asm__ ("" :: "r"(foo)); > } > > ;; before > .literal_position > .literal .LC0, 32767 > test: > l32r a9, .LC0 > ret.n > > This patch fixes that: > > ;; after > test: > movi.n a9, -1 > extui a9, a9, 17, 15 > ret.n > > gcc/ChangeLog: > > * config/xtensa/xtensa.md (SHI): New mode iterator. > (2 split patterns related to constsynth): > Change to also accept HImode operands. > --- > gcc/config/xtensa/xtensa.md | 22 ++++++++++++++-------- > 1 file changed, 14 insertions(+), 8 deletions(-) Regtested for target=3Dxtensa-linux-uclibc, no new regressions. Committed to master. --=20 Thanks. -- Max