From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ej1-x629.google.com (mail-ej1-x629.google.com [IPv6:2a00:1450:4864:20::629]) by sourceware.org (Postfix) with ESMTPS id 6D6AC3857004 for ; Wed, 26 Oct 2022 04:20:14 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 6D6AC3857004 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-ej1-x629.google.com with SMTP id k2so18180795ejr.2 for ; Tue, 25 Oct 2022 21:20:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=cc:to:subject:message-id:date:from:in-reply-to:references :mime-version:from:to:cc:subject:date:message-id:reply-to; bh=N9tth7wR9Gmj4XzOm4W3GpwGg9HAkDAssgLyeK5UrYg=; b=GB5qUN9WeeXlJpNE2hpmaDrb9PfUNUZ4QGk5hvXmIERBuJL2WSzEjBJv6yYVWZGnUq gblamPayeBywYLB4sHEXB1wryodRvJbt22i4xKDnxrJKXzcmmlj5x01AKLACHQ8GEZ32 GbWyGNCLJMFpqwHmf7DTKVcZYU/NVNrmTAE1LZrDTvyPWHTeEujlymMomnABqgnF5T04 NALrLbDKvJnhjzmzJzkohOlSgIAqzYmsQL3IGZa7WRZ8xeKi202G8Cu2BbI9ES5J2uKm x45ssDisv6yAf+MX3c6MNxm1djaXmnmcHJ9yrpBfHFjoH2c+o2SWN8PJRniAP6V/8/FP 1qow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=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=N9tth7wR9Gmj4XzOm4W3GpwGg9HAkDAssgLyeK5UrYg=; b=MzReCQnkmdIjvD10Sl6SuJH/OsZlfKMmIXLTSjo/52PvwLIqJmxpeFX1bnEerp1rLt /xX9Idlkf2k4rL1g3ZZcj8ahRVFEe7f0iLo2kioYEM5uwnO0uLK/1v4UW3QDxQGIWua6 SCDOLZKopB4grWWmxtoVFF4cGxRRgAl5ePioHcnUr17MeCMpdb+fj9ks+7K58cLMx22C 1MzXWm6UfKhF+2kHVtPtSk71jtxm8zov2c1zgsvIz+LOcnzneZznseIRZzdrKbea2ats wKWjpLXthTX7gBXdq0UzmrbCGlROuF9MhTaTrAp/J4W2h5MwiHLc6T8vxpFuEgIVnFCS Cxfg== X-Gm-Message-State: ACrzQf3cCTl8Nj2Uq5n1I6mjakOJA980tfbNV4xhdrGi228tImSEzVfo XJeScQXCptuVoDp7dK9CDKzbHnlMOqk1EXJqKlc= X-Google-Smtp-Source: AMsMyM7J/A83pvq2hQpmTGitXmU5PLDTXvqwqtQAhCgyBQTx/wBEd+casbuRrRXkJBFlIaqriF5tynd/8m3jJ092DAk= X-Received: by 2002:a17:906:401:b0:73d:af73:b78 with SMTP id d1-20020a170906040100b0073daf730b78mr36551859eja.122.1666758012951; Tue, 25 Oct 2022 21:20:12 -0700 (PDT) MIME-Version: 1.0 References: <20221025061733.41146-1-monk.chiang@sifive.com> In-Reply-To: From: Kito Cheng Date: Wed, 26 Oct 2022 12:20:01 +0800 Message-ID: Subject: Re: [PATCH] RISC-V: Recognized Svinval and Svnapot extensions To: Bernhard Reutner-Fischer Cc: gcc-patches@gcc.gnu.org, Monk Chiang Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-8.5 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,GIT_PATCH_0,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,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 List-Id: On Tue, Oct 25, 2022 at 9:37 PM Bernhard Reutner-Fischer via Gcc-patches wrote: > > On 25 October 2022 08:17:33 CEST, Monk Chiang wrote: > >gcc/ChangeLog: > > > > >diff --git a/gcc/config/riscv/riscv-opts.h b/gcc/config/riscv/riscv-opts.h > >index 55e0bc0a0e9..63ac56a8ca0 100644 > >--- a/gcc/config/riscv/riscv-opts.h > >+++ b/gcc/config/riscv/riscv-opts.h > >@@ -162,6 +162,12 @@ enum stack_protector_guard { > > #define MASK_ZMMUL (1 << 0) > > #define TARGET_ZMMUL ((riscv_zm_subext & MASK_ZMMUL) != 0) > > > >+#define MASK_SVINVAL (1 << 0) > >+#define MASK_SVNAPOT (1 << 1) > >+ > >+#define TARGET_SVINVAL ((riscv_sv_subext & MASK_SVINVAL) != 0) > >+#define TARGET_SVNAPOT ((riscv_sv_subext & MASK_SVNAPOT) != 0) > >+ > > /* Bit of riscv_zvl_flags will set contintuly, N-1 bit will set if N-bit is > > set, e.g. MASK_ZVL64B has set then MASK_ZVL32B is set, so we can use > > popcount to caclulate the minimal VLEN. */ > > Preexisting, but the above is hard to parse. contintuly, caclulate, will set, has set ? Thanks for pointing this out, will prepare a patch to improve that later :) > > thanks,