From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ej1-x632.google.com (mail-ej1-x632.google.com [IPv6:2a00:1450:4864:20::632]) by sourceware.org (Postfix) with ESMTPS id 1EF0F385735D for ; Tue, 25 Oct 2022 13:37:02 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 1EF0F385735D 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-x632.google.com with SMTP id n12so7164273eja.11 for ; Tue, 25 Oct 2022 06:37:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:references :in-reply-to:subject:to:from:date:from:to:cc:subject:date:message-id :reply-to; bh=VbH9vd06A4J42N8/4IplHf7ob/xdU9augPWmQclsRzA=; b=XMqUE3Cnri0Q/2GZtT5gWBKFT0wz65jwzA89IZk9P051AeRmkEXYqZ281/XxVbha6a K1e3ri5VfnH7X7js3foSekbdj6VazgQ4IAIBSyYzSpKyzJVMRXyGpCsSDD5kmVRQXIHO 196lTkaE0xdaIzon2f5UPHlToEcFSzRrxQziafJ6vLH44zQflDJSkZX1htxAHm+O+538 JZBdV2KUFWwKGWJ70QTl5LE/bTazJA/rYY9onciHBC2WVk0kewwD8qYAfHs3JJZ7/4x3 RirBuMezvGXiowqHMYIPDuSuNS2+LLVGMMBF2HG5zjFYlbYTcdGnZAvBDoOrD7tgL+QL +/4A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:references :in-reply-to:subject:to:from:date:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=VbH9vd06A4J42N8/4IplHf7ob/xdU9augPWmQclsRzA=; b=KSw3vnTPaOr2ao5LJq0YEUnXXvcj4gPxP0u9IVZCE+HsmjZkP3rwQag8bmg3Aw2dUQ Ak5t324RBUQGsidGfKYGCW7m33bV6NJeViAxF7K2pZ5rEQZ3zOdM1g7TdcduT6FOK8wK mnrDLHD8RsNPNwUooTuOkWUavHTbG6QMCncGSlS62oWojTu3Fd4xDi/973veHi50xx9k AeejsviX63QopF+qQTPTKjH+myTIVgygSRuUSu+MdXWBAqKy8SWaL4Zo6zGTEKkm1oSD 2sCig+1zJmWRpzam9oA73Ip3nEO9P8O5AT27/SlCVT+rgEIdVVhZS+XIMcsLQzlXuHCL Y21A== X-Gm-Message-State: ACrzQf22wGsMSmc6oZ0/bVu9j26nonbqbnd/fs+FPcxVX2bbsf/eC1of n8fVdfehZ8Hp72eQgUv7SfpeCI+AjqSHgA== X-Google-Smtp-Source: AMsMyM4qTZ1uTlfFicSBVtWnLqFrBN65QeoJkjGx4DvY9roQQV9+zIHDwLVaI4k0RhrfpezFfIMeeg== X-Received: by 2002:a17:907:2d12:b0:7ac:db50:90c8 with SMTP id gs18-20020a1709072d1200b007acdb5090c8mr1301837ejc.592.1666705020463; Tue, 25 Oct 2022 06:37:00 -0700 (PDT) Received: from [127.0.0.1] (80-110-214-113.static.upcbusiness.at. [80.110.214.113]) by smtp.gmail.com with ESMTPSA id c2-20020a17090618a200b00782ee6b34f2sm1398704ejf.183.2022.10.25.06.36.59 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 25 Oct 2022 06:36:59 -0700 (PDT) Date: Tue, 25 Oct 2022 15:36:56 +0200 From: Bernhard Reutner-Fischer To: gcc-patches@gcc.gnu.org, Monk Chiang , kito.cheng@gmail.com Subject: Re: [PATCH] RISC-V: Recognized Svinval and Svnapot extensions In-Reply-To: <20221025061733.41146-1-monk.chiang@sifive.com> References: <20221025061733.41146-1-monk.chiang@sifive.com> Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Status: No, score=-9.2 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 25 October 2022 08:17:33 CEST, Monk Chiang = wrote: >gcc/ChangeLog: > >diff --git a/gcc/config/riscv/riscv-opts=2Eh b/gcc/config/riscv/riscv-opt= s=2Eh >index 55e0bc0a0e9=2E=2E63ac56a8ca0 100644 >--- a/gcc/config/riscv/riscv-opts=2Eh >+++ b/gcc/config/riscv/riscv-opts=2Eh >@@ -162,6 +162,12 @@ enum stack_protector_guard { > #define MASK_ZMMUL (1 << 0) > #define TARGET_ZMMUL ((riscv_zm_subext & MASK_ZMMUL) !=3D 0) >=20 >+#define MASK_SVINVAL (1 << 0) >+#define MASK_SVNAPOT (1 << 1) >+ >+#define TARGET_SVINVAL ((riscv_sv_subext & MASK_SVINVAL) !=3D 0) >+#define TARGET_SVNAPOT ((riscv_sv_subext & MASK_SVNAPOT) !=3D 0) >+ > /* Bit of riscv_zvl_flags will set contintuly, N-1 bit will set if N-bit= is > set, e=2Eg=2E MASK_ZVL64B has set then MASK_ZVL32B is set, so we can = use > popcount to caclulate the minimal VLEN=2E */ Preexisting, but the above is hard to parse=2E contintuly, caclulate, will= set, has set ? thanks,