From patchwork Sat Dec 9 17:03:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Xi Ruoyao X-Patchwork-Id: 1874054 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=xry111.site header.i=@xry111.site header.a=rsa-sha256 header.s=default header.b=Kzp5KQ+y; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org (client-ip=2620:52:3:1:0:246e:9693:128c; helo=server2.sourceware.org; envelope-from=gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org; receiver=patchwork.ozlabs.org) Received: from server2.sourceware.org (server2.sourceware.org [IPv6:2620:52:3:1:0:246e:9693:128c]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4SnZ9v2y28z23n0 for ; Sun, 10 Dec 2023 04:04:35 +1100 (AEDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 4A4A83858288 for ; Sat, 9 Dec 2023 17:04:33 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from xry111.site (xry111.site [89.208.246.23]) by sourceware.org (Postfix) with ESMTPS id A87E93858C98 for ; Sat, 9 Dec 2023 17:04:15 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org A87E93858C98 Authentication-Results: sourceware.org; dmarc=pass (p=reject dis=none) header.from=xry111.site Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=xry111.site ARC-Filter: OpenARC Filter v1.0.0 sourceware.org A87E93858C98 Authentication-Results: server2.sourceware.org; arc=none smtp.remote-ip=89.208.246.23 ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1702141462; cv=none; b=Yy++EtRlWk27A0KBSWZSWAuCqcBanfFWTDmoRlO99T3PUI3brjR0XQr7QxekQUm2Pp7U7vD5af8WNNnnNVuyPCMOpZHkWMt1rSlNLADanmNYoicB6ZL5e2l0WiWx70k3cjaeTsisaB9ehX/Ia+gIaw1HBZlTZI1oEqQB3UyHXbw= ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1702141462; c=relaxed/simple; bh=4sYMq+xBsTiDWNQ++pI3HvJR0e8xUEx0+iQB4IJzwN8=; h=DKIM-Signature:From:To:Subject:Date:Message-ID:MIME-Version; b=GIVzzghZEltwV6tA5ATvEOGL93L6Hd7QdxMbVLQvTgrBgnf9vAG8pUG5akWWdPqpLPdwo884mUTErhj4qvj3/oGEK1JewC9r3dZOBwuADzHz8PCY25lbD5S7yzcfaLFldhGhyockibFriT+Cqff+ZpGwV4STvjOFqvituhQhXn0= ARC-Authentication-Results: i=1; server2.sourceware.org DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=xry111.site; s=default; t=1702141454; bh=4sYMq+xBsTiDWNQ++pI3HvJR0e8xUEx0+iQB4IJzwN8=; h=From:To:Cc:Subject:Date:From; b=Kzp5KQ+yL59D6Q2f3zz+eWy4ef0bmZS2jDbFunrkT6nXw2XGksvw8cOQzO2s6IBtB NITnwcRXrj9d13bhFVUKotVRfF9HQRRNlmcFVRDGlXUDiOzb4gBIhEoxZj6Q3TfnNT SGPBvD78J76ihuHxQBjuEzWjpWof7L6xqJnmGIOw= Received: from stargazer.. (unknown [IPv6:240e:358:1144:3a00:dc73:854d:832e:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (P-384) server-digest SHA384) (Client did not present a certificate) (Authenticated sender: xry111@xry111.site) by xry111.site (Postfix) with ESMTPSA id C54C46693D; Sat, 9 Dec 2023 12:04:11 -0500 (EST) From: Xi Ruoyao To: gcc-patches@gcc.gnu.org Cc: chenglulu , i@xen0n.name, xuchenghua@loongson.cn, c@jia.je, Xi Ruoyao Subject: [PATCH 0/3] LoongArch: Fix instruction costs Date: Sun, 10 Dec 2023 01:03:45 +0800 Message-ID: <20231209170347.12601-2-xry111@xry111.site> X-Mailer: git-send-email 2.43.0 MIME-Version: 1.0 X-Spam-Status: No, score=-2.4 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, KAM_SHORT, LIKELY_SPAM_FROM, SPF_HELO_PASS, 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 X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+incoming=patchwork.ozlabs.org@gcc.gnu.org Update LoongArch instruction costs based on the micro-benchmark results on LA464 and LA664. In particular, this allows generating alsl/slli or alsl/slli + add pairs for multiplying some constants as on LA464/LA664 a mul instruction is 4x slower than alsl, slli, or add instructions. Bootstrapped and regtested on loongarch64-linux-gnu. Ok for trunk? Xi Ruoyao (3): LoongArch: Include rtl.h for COSTS_N_INSNS instead of hard coding our own LoongArch: Fix instruction costs [PR112936] LoongArch: Add alslsi3_extend gcc/config/loongarch/loongarch-def.cc | 42 ++++++++++--------- gcc/config/loongarch/loongarch.cc | 22 +++++----- gcc/config/loongarch/loongarch.md | 12 ++++++ .../loongarch/mul-const-reduction.c | 11 +++++ 4 files changed, 56 insertions(+), 31 deletions(-) create mode 100644 gcc/testsuite/gcc.target/loongarch/mul-const-reduction.c