From patchwork Mon Apr 10 03:39:38 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "juzhe.zhong@rivai.ai" X-Patchwork-Id: 81358 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a59:b0ea:0:b0:3b6:4342:cba0 with SMTP id b10csp1656436vqo; Sun, 9 Apr 2023 20:40:17 -0700 (PDT) X-Google-Smtp-Source: AKy350bHKuk3lvzv6KYFvW+vOdXdZbp/rMYAOTS/oLmx3dXDKjVNA5dH0oa99bwLtRTN4onADinT X-Received: by 2002:aa7:cc08:0:b0:504:8410:c7a7 with SMTP id q8-20020aa7cc08000000b005048410c7a7mr7333593edt.20.1681098016896; Sun, 09 Apr 2023 20:40:16 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1681098016; cv=none; d=google.com; s=arc-20160816; b=qMFM3wOuLLa8kOmwDq6q5y4QWIbE+zveJpdNIWcDbgNonqFDIv1L+NCYTwIBJGC0YW U7pdu91sukkskmw9RgRQf7PwjC6/1aswHECHG6E+NwOElLwAdf95O/JwyzmIjy5LKf0S ykdDmRJ8iOnJIdWsl6ekT7by1SLb6+dUspOf+MvrfD+dpOCUf+V4SxeGsmBrZZ0k3Mpp FwnIXA4RqD+xnVhfcjFjlDwBpWoVIe8qI0xFjLW73C0WGHO/61iWjeoc+iZteKLtsuBM JEBVn/3m05aVIf9QBeED9bkEhdv+qsRKgCdxFC2i18IDqsnJqe5v8jeUgHjrxM3bT6o5 aM8g== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:list-subscribe:list-help:list-post:list-archive :list-unsubscribe:list-id:precedence:feedback-id :content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:dmarc-filter:delivered-to; bh=ai7FivByBC4RohPSXhbIb65iq9IM2LWonvyetENVqrM=; b=d7RwJ0ZW06Cwm99tibXnpMq633fQRIFmfPc2SzCOhnnJhS8IQZhIP0gqJaQWFnVzhp GU7hRVnWwV808BBCEsFhhcMztwdMywY2nIdqDeKsJ+buxjcBMhoWsXFni1gsSOlrMapC DMm7xzHbHyYuFJEkuYC3XnN8F9tFbGvODBIhTK2Lf6BmITdgsGbVn3Vxv2YTs8NLD8gw gGpwXngZqBunnal61O+k3FsudL5YijrYkAXHqTb101geEIe72a4DkyLGUoPWI1s24GEE oVswRaMZSiDuh7hgg87gyzD2wSLKgSwTD/g0ux/0Y4XK7c28v/3Lq1o/4gwmFDOnXF5B AagA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org" Received: from sourceware.org (server2.sourceware.org. [2620:52:3:1:0:246e:9693:128c]) by mx.google.com with ESMTPS id v3-20020aa7d803000000b004c03c3f51f4si8857264edq.485.2023.04.09.20.40.16 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 09 Apr 2023 20:40:16 -0700 (PDT) Received-SPF: pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) client-ip=2620:52:3:1:0:246e:9693:128c; Authentication-Results: mx.google.com; spf=pass (google.com: domain of gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org designates 2620:52:3:1:0:246e:9693:128c as permitted sender) smtp.mailfrom="gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org" Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id E95B53857707 for ; Mon, 10 Apr 2023 03:40:11 +0000 (GMT) X-Original-To: gcc-patches@gcc.gnu.org Delivered-To: gcc-patches@gcc.gnu.org Received: from smtpbg154.qq.com (smtpbg154.qq.com [15.184.224.54]) by sourceware.org (Postfix) with ESMTPS id 706143858D28 for ; Mon, 10 Apr 2023 03:39:47 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 706143858D28 Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=rivai.ai Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=rivai.ai X-QQ-mid: bizesmtp68t1681097980t6bos2bz Received: from server1.localdomain ( [58.60.1.22]) by bizesmtp.qq.com (ESMTP) with id ; Mon, 10 Apr 2023 11:39:39 +0800 (CST) X-QQ-SSF: 01400000000000F0O000000A0000000 X-QQ-FEAT: 90EFqYDyPxA5Y0+x7Un6Xzf5FQarLLwrKa9cjgMjOcxU9GzojN8fPPRXn/S0g VU7PRk1r4SvNMQAahFNuzvN80CWqbcT6qEkYvwf8jLu40HlVJaMhm/X/BZLC9OgAYOELzxd pZcxkd+EFqem9ucVqQRooTB2OAvMYXl+soEku08fphQCbO2OMPnnZgxI42YLWx/s6u2kLTD 2+BQRPdl3+6Ryj2sQ26ffGXKMDPfTVqOMo1JUg64RV7eOpWPdSwJx9xvHTT5F0DrestFTK9 DCukqCiZdbxUYmjh3TxG32kGV7fGkXajy22N04vmudoGQyqS07qkSgKU1Uk0Vnbg1kQNNIk M1gERW9GX5iKdM0b/vAJfwf3TbSgQuOKgrO4k1Lsc4yfsSrqdIjz943sZTEuUlZNArlMOh8 X-QQ-GoodBg: 2 X-BIZMAIL-ID: 15556830963753138254 From: juzhe.zhong@rivai.ai To: gcc-patches@gcc.gnu.org Cc: kito.cheng@gmail.com, palmer@dabbelt.com, jeffreyalaw@gmail.com, Juzhe-Zhong Subject: [PATCH] RISC-V: Allow LMUL = 2 auto-vectorization for zve32* Date: Mon, 10 Apr 2023 11:39:38 +0800 Message-Id: <20230410033938.130469-1-juzhe.zhong@rivai.ai> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:rivai.ai:qybglogicsvr:qybglogicsvr7 X-Spam-Status: No, score=-10.9 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, KAM_SHORT, RCVD_IN_BARRACUDACENTRAL, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_PASS, SPF_PASS, TXREP autolearn=ham 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: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1762759034474790456?= X-GMAIL-MSGID: =?utf-8?q?1762759034474790456?= From: Juzhe-Zhong Since VNx1SI mode is nunits = [1,1] which will create ICE in Loop vectorizer of GCC. We disabled it. The current condition allows VNx4SI which LMUL = 4. We should be able to enable VNx2SI too. This patch is to enable auto-vectorization for VNx2SImode. gcc/ChangeLog: * config/riscv/riscv-v.cc (preferred_simd_mode): Enable LMUL = 2 auto-vectorization for TARGET_MIN_VLEN < 128. gcc/testsuite/ChangeLog: * gcc.target/riscv/rvv/autovec/zve32f-3.c: Adapt testcase. * gcc.target/riscv/rvv/autovec/zve32x-3.c: Ditto. --- gcc/config/riscv/riscv-v.cc | 2 +- gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f-3.c | 4 ++-- gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x-3.c | 4 ++-- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/gcc/config/riscv/riscv-v.cc b/gcc/config/riscv/riscv-v.cc index 84d33fcdd14..801a4e26b67 100644 --- a/gcc/config/riscv/riscv-v.cc +++ b/gcc/config/riscv/riscv-v.cc @@ -761,7 +761,7 @@ preferred_simd_mode (scalar_mode mode) auto-vectorization since Loop Vectorizer may use VNx1SImode or VNx1DImode to vectorize which will create ICE in the 'can_duplicate_and_interleave_p' of tree-vect-slp.cc. */ - if (TARGET_MIN_VLEN * riscv_autovec_lmul < 128) + if (TARGET_MIN_VLEN < 128 && riscv_autovec_lmul < RVV_M2) return word_mode; /* We use LMUL = 1 as base bytesize which is BYTES_PER_RISCV_VECTOR and riscv_autovec_lmul as multiply factor to calculate the the NUNITS to diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f-3.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f-3.c index 0c1aee23d25..8e68b9932b4 100644 --- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f-3.c +++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32f-3.c @@ -1,6 +1,6 @@ /* { dg-do compile } */ -/* { dg-options "-march=rv32gc_zve32f -mabi=ilp32d --param riscv-autovec-preference=fixed-vlmax --param riscv-autovec-lmul=m4 -O3 -ftree-vectorize -fdump-tree-vect-details -save-temps" } */ +/* { dg-options "-march=rv32gc_zve32f -mabi=ilp32d --param riscv-autovec-preference=fixed-vlmax --param riscv-autovec-lmul=m2 -O3 -ftree-vectorize -fdump-tree-vect-details -save-temps" } */ #include "template-1.h" -/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 3 "vect" } } */ +/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 4 "vect" } } */ diff --git a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x-3.c b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x-3.c index 94593f43a62..c26c2c95afb 100644 --- a/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x-3.c +++ b/gcc/testsuite/gcc.target/riscv/rvv/autovec/zve32x-3.c @@ -1,6 +1,6 @@ /* { dg-do compile } */ -/* { dg-options "-march=rv32gc_zve32x -mabi=ilp32d --param riscv-autovec-preference=fixed-vlmax --param riscv-autovec-lmul=m4 -O3 -ftree-vectorize -fdump-tree-vect-details -save-temps" } */ +/* { dg-options "-march=rv32gc_zve32x -mabi=ilp32d --param riscv-autovec-preference=fixed-vlmax --param riscv-autovec-lmul=m2 -O3 -ftree-vectorize -fdump-tree-vect-details -save-temps" } */ #include "template-1.h" -/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 2 "vect" } } */ +/* { dg-final { scan-tree-dump-times "vectorized 1 loops in function" 3 "vect" } } */