From nobody Sun Feb 8 19:25:08 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=reject dis=none) header.from=sifive.com ARC-Seal: i=1; a=rsa-sha256; t=1767943981; cv=none; d=zohomail.com; s=zohoarc; b=kbyGjIljQRkNTtXOhpJVU9uOPctj4hDE1QpxFYGsZJktZyryvMdO8W5rHSNyEe35iW6kxqUm7bm7fAeMBJLQs3ysd0nJR7hpgYN6b90tS5aMzexE0cHMmQ/R2JbexFGG7NeTg9tMywzP4RVHLHlCCrTXdA0P3OvDBHcx7X77fsc= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1767943981; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=Vyb0Kc//2+NTy6ceQi2JB94//CAYGf9ike4wuoluXYc=; b=kMkCpGPvTS7jIiwKa/cvtFFF10Iwu6taCuQExRBsPRoaSJJxn5Eq6cH7pEmivPa4WmPrHPurEt8uynHM+a1vnNlv0rbZdK3Mhqe3ryZGYKWTtQF8cGopOXLCr/4VC5O5yiQ9GWYYAfheKcotCO9hEKmmba+XHjzIiezX2ftJwZo= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1767943981256916.5329475410298; Thu, 8 Jan 2026 23:33:01 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ve6yo-0002gN-LP; Fri, 09 Jan 2026 02:32:22 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ve6yg-0002PG-Qu for qemu-devel@nongnu.org; Fri, 09 Jan 2026 02:32:11 -0500 Received: from mail-pf1-x431.google.com ([2607:f8b0:4864:20::431]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ve6ye-0008Hk-DB for qemu-devel@nongnu.org; Fri, 09 Jan 2026 02:32:09 -0500 Received: by mail-pf1-x431.google.com with SMTP id d2e1a72fcca58-7b80fed1505so2724837b3a.3 for ; Thu, 08 Jan 2026 23:32:07 -0800 (PST) Received: from duncan.localdomain (114-35-142-126.hinet-ip.hinet.net. [114.35.142.126]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-819c52fd904sm9490421b3a.33.2026.01.08.23.32.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jan 2026 23:32:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1767943927; x=1768548727; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Vyb0Kc//2+NTy6ceQi2JB94//CAYGf9ike4wuoluXYc=; b=l8HEWnIsCFIEGhJKX51wI+Vwdlp8H+TxK0c2ybZlvXGXWvEJvN0In5iE1ti0uB+94K h5kqEpqztZvEwUiW2o/UF911fH4NmChsiscuHkvIp4QuFUSeiHt47rUelTTwA7Z4cV5d Vj2TqDMqCAJ4zKEQOFJAMPRKH4NTR2TYVmhSt9LoHGjjv87KBxtcHWmkOYqOjRG7gtnc bnaIj7nPr7dZ0OoEvtkuuVyIcaqi8TxSQxVBTS3M/xi12yj56f8V4R0naO+9OUAP27fW a3I4Pa3934TmYKpOQNfFh9yWmZT6LYome1c/WJ24c59QR5Jps0yWStY+TwiHRPjCWbcT 1dEQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767943927; x=1768548727; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=Vyb0Kc//2+NTy6ceQi2JB94//CAYGf9ike4wuoluXYc=; b=CkM4v6D2HAUypWqUacoQpEoP5bK98eNaiqeKuVJCKGZ4pXIO7h3Y1GmNKRhkcG+ImL LAiFy+w/cgSjFpZytY6O+x5MTvanxmLMiOPqK9FqSTzFqi8mvspNBUY8g166Hi3te7Vf YbNKTAzp+MCi3o5lk45p42rsEh6xMl8UBc02y9w6Gn7eNUMVjfkZG5BRk3TX+r3J3enT rug1TAeWpmRO4fokd9gTDXGVxg011RjEFp+VrYKMLn6Mduht8L5xgSBB1mzf0xevxS0D UWOR6/xVXg6V6YO0DRHudsf6mDLZjM0K+sGq2+9Kov19uu1Zr2f4RueX96xbBbVNkKQl 7SJw== X-Gm-Message-State: AOJu0YybJCB/7xJBrI/WXvNUL3VNjVekeuDZJxm+l6E6gqDjM2p02f+U KUirXXWUsWLx/D5fNotaQnlqzHEs2x1IFbS/hm4j3ZEu6wGV8DYlp6kGQ5SlW9HzdvfYsBCeqb6 vWBQWb2c97VOp9kNogvhUiqVblyWvCKc+HMsEA+TuDc3jYx8aLvPBML1IZgsugjNyhrOSPKdcwa yO0xm0sZO+HXXMYQfZ6vMGMzjF+Z/RgK6ZMogRtuo= X-Gm-Gg: AY/fxX7PCCN/bhywVaTF5WfFfldCUhhCmCEPAZfxRxezPs7Mgf+2jrAiVJsH+WDRPTD Zvdz7LEcAvgneNEtH0iwZFIbTFLlDtlN8bCWFkiVGaltBQ5ftfoO7eK+MaQpa8dTzUo1WtIAcg5 jkWTU4/xZOvMMz75zpc9xY+yFTEX2bw9k3rdYSK5PDEZAB5VTYJTHUab/rSIGrBVF+k3LF37Peg hLxyPjvA+h5Z7DJ7Z9M3dF8atG+RTB3jvk+fWGstzAEhiohQpV8ZCjsH88mC6zRJ1zwiaRu2MXf +Uu8eWetOZ2QKkmhgPCg5TXwIUOB0EtONgFPWA5R8MAOnSu5+/Mp4//h5M3L3eeYKHM68RLDx3h 4RSVQdD2Qkx101s4bRTwU83IcvNCXoN8tHdxRqnWLTNmXDfsRdzPLfdHBmpy9RSChBpvHKLZDoJ OnwLviswiwO6CNmtWWaRcg5C2gTe5e1vhKfduWhBdpcGKKheCL5fyNW1E= X-Google-Smtp-Source: AGHT+IEfeRnC4GZEHQ+7b/k+hH9nJF7hCH9udvtNgVwgNu35gl866OOEpMI8uNpl+lUUHLIzOXWrOg== X-Received: by 2002:a05:6a00:90a2:b0:7e8:4398:b360 with SMTP id d2e1a72fcca58-81b7fccabbfmr8923030b3a.51.1767943926337; Thu, 08 Jan 2026 23:32:06 -0800 (PST) From: Max Chou To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Max Chou , Alistair Francis Subject: [PATCH v5 1/4] target/riscv: Add Zvqdotq cfg property Date: Fri, 9 Jan 2026 15:31:51 +0800 Message-ID: <20260109073154.46251-2-max.chou@sifive.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260109073154.46251-1-max.chou@sifive.com> References: <20260109073154.46251-1-max.chou@sifive.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::431; envelope-from=max.chou@sifive.com; helo=mail-pf1-x431.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @sifive.com) X-ZM-MESSAGEID: 1767943982215158500 Content-Type: text/plain; charset="utf-8" The Zvqdotq extension is the vector dot-product extension of RISC-V. Reviewed-by: Daniel Henrique Barboza Signed-off-by: Max Chou --- target/riscv/cpu.c | 1 + target/riscv/cpu_cfg_fields.h.inc | 1 + target/riscv/tcg/tcg-cpu.c | 5 +++++ 3 files changed, 7 insertions(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index ffd98e8eed..a295ddefdd 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -206,6 +206,7 @@ const RISCVIsaExtData isa_edata_arr[] =3D { ISA_EXT_DATA_ENTRY(zvksg, PRIV_VERSION_1_12_0, ext_zvksg), ISA_EXT_DATA_ENTRY(zvksh, PRIV_VERSION_1_12_0, ext_zvksh), ISA_EXT_DATA_ENTRY(zvkt, PRIV_VERSION_1_12_0, ext_zvkt), + ISA_EXT_DATA_ENTRY(zvqdotq, PRIV_VERSION_1_13_0, ext_zvqdotq), ISA_EXT_DATA_ENTRY(zhinx, PRIV_VERSION_1_12_0, ext_zhinx), ISA_EXT_DATA_ENTRY(zhinxmin, PRIV_VERSION_1_12_0, ext_zhinxmin), ISA_EXT_DATA_ENTRY(sdtrig, PRIV_VERSION_1_12_0, debug), diff --git a/target/riscv/cpu_cfg_fields.h.inc b/target/riscv/cpu_cfg_field= s.h.inc index 70ec650abf..44224ef3d7 100644 --- a/target/riscv/cpu_cfg_fields.h.inc +++ b/target/riscv/cpu_cfg_fields.h.inc @@ -103,6 +103,7 @@ BOOL_FIELD(ext_zvfbfmin) BOOL_FIELD(ext_zvfbfwma) BOOL_FIELD(ext_zvfh) BOOL_FIELD(ext_zvfhmin) +BOOL_FIELD(ext_zvqdotq) BOOL_FIELD(ext_smaia) BOOL_FIELD(ext_ssaia) BOOL_FIELD(ext_smctr) diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c index 988b2d905f..924f1728e0 100644 --- a/target/riscv/tcg/tcg-cpu.c +++ b/target/riscv/tcg/tcg-cpu.c @@ -783,6 +783,11 @@ void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, = Error **errp) return; } =20 + if (cpu->cfg.ext_zvqdotq && !cpu->cfg.ext_zve32x) { + error_setg(errp, "Zvqdotq extension requires V or Zve* extensions"= ); + return; + } + if ((cpu->cfg.ext_zvbc || cpu->cfg.ext_zvknhb) && !cpu->cfg.ext_zve64x= ) { error_setg( errp, --=20 2.43.7 From nobody Sun Feb 8 19:25:08 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=reject dis=none) header.from=sifive.com ARC-Seal: i=1; a=rsa-sha256; t=1767943973; cv=none; d=zohomail.com; s=zohoarc; b=BRy1+YrNdneYVKWZCiCwY9/69kcIsxEuHfbO7RCllKrMNZPXVuAL4f68TGvy13gVHabUqhjuGfGl5MJfTOhnbUE0JEwgZUHbQ0ZgAadOL3tNYd93La51oDzGDFl5i8V6MPt+HJBmoSHibHFeZ+tknRrFDBPoPM+GjSsu4BupJ34= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1767943973; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=/7pYM6lBVFGLLggdXK1nu+u+2Wn2Ym5oWD++g63pIYs=; b=DTBHfbTWNTRnJiDIojUwztDGD1kLYLbvs9Oo1OqvRkB5jrFfWPUuuVjz8fBqG+kd65AXDcbMWPGGMe+/MUKeyRXilmBAxOCcf/+9HUPpp9tQj3EK790D1qHFEyKOzxqI2rvqJTCUAXQ5SFfI6bIS+LlXm+MCQV3cfX57WDkdSH4= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1767943973382503.82555132622133; Thu, 8 Jan 2026 23:32:53 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ve6yl-0002b9-Iq; Fri, 09 Jan 2026 02:32:15 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ve6yj-0002Ti-8A for qemu-devel@nongnu.org; Fri, 09 Jan 2026 02:32:13 -0500 Received: from mail-pl1-x632.google.com ([2607:f8b0:4864:20::632]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ve6yg-0008ID-JC for qemu-devel@nongnu.org; Fri, 09 Jan 2026 02:32:12 -0500 Received: by mail-pl1-x632.google.com with SMTP id d9443c01a7336-29f0f875bc5so35181875ad.3 for ; Thu, 08 Jan 2026 23:32:10 -0800 (PST) Received: from duncan.localdomain (114-35-142-126.hinet-ip.hinet.net. [114.35.142.126]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-819c52fd904sm9490421b3a.33.2026.01.08.23.32.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jan 2026 23:32:08 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1767943929; x=1768548729; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=/7pYM6lBVFGLLggdXK1nu+u+2Wn2Ym5oWD++g63pIYs=; b=PwPmHXLczQE08Y1k+fG2wvyi7AZRegUuuxc+NchAGuSjSiNtGHYAybuJsSEaw09Q0d KsEq6VsdfQvmm5rlkL3TyFqEl8xUkUkZ0A7Cn2IUM9odnZfnjWTNKY7GA+vwnjDpS5kC TRKGlVhYJV2KZY6p4q3oKF+3Gm9upqFUkXnf2M5sza0xP6CIA5UhdO+F+vkeblUty7AA xtrUwwMzga6kiHUCUlU4A4DaORtujN/nZ1lnIUrTWpvUffbWFzoMvZBfrY8RfmBBb7SD QxKc2kQ+X08SzylTsVFJIm1vFyexwknowWpEUtD7jhN2bbL0xr28ZwZJpOZXslBMH/Lm V1Hg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767943929; x=1768548729; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=/7pYM6lBVFGLLggdXK1nu+u+2Wn2Ym5oWD++g63pIYs=; b=d9Bnq3dSmntNsEXlhSGCP5RqSpde+POd5HqjIGITS9D7C9g19fw64C0wynrkw/iZGg c6XYb+0ZxMUi8V2rEZqJkXv65Q2GbE8Hl8mCQpG0z3ekqylYNqcor5DVhI4AW7LxdbuG GdmR1dME5IYS1Y+8jzw+/jVDK5COUcsxPrkBlLswtAzM1loUkBDFoXgSCtPC9ohz9mXd SMM9sQ/DRlEFftFFjn9XR2ngwtqgJ249ZIgE3xF67dJ1aaxaO6YeI0RnLCg0kxKkytpW enwtU0C0KBjvENg+xiijIx8scPCxvYEAYHUsIW0to8FqcmT55lGls+G3cwDXzOnwRmYf e1hA== X-Gm-Message-State: AOJu0Yzio16mzLs/1SPswH7TcgayoNifIp6b6q7Cz3U/RN72t2xOz4UF hejwqspegZCG7hFKortN1qXOxwm6SuIPt1Lm5PtSdyZQx2fOjqJOphnCZs4BjCINx3a+1CW2ugB oDjtZ9qKB6Xw2EbxPmoQsbq+q9lTPB+IkmREvuO0ya+ZPa2LJvej8hYAwfml64QS+pRtgXMT/me U1bxQ2CeIvRkBVBdiyAazSxFaav6mV8ZHpABNZwSU= X-Gm-Gg: AY/fxX6+zwqZ4VFbZ8Bo8NOHTrAqYzpk7mXBO1PEaHFoYXxnWdIpwxkCzEQcDC5cCkT /OVEAcAVSczorgdmOicQXzPy+a1FGCgMbOfkmPwQ72ufQ/L9Om3xKaIeQS05f+6qJpB5B04K7HX o/3whX1pRviXT6d2+6/j1d2YWf3CQ1W3pLUVORcTFGR7mJuWNBpRQiWyuJR0S9NXhZxe2fmatR7 Sln/w+OuaXHgvH7ad8gi+nJR5/ZgRg8I+kTsZl50h5TgHVwg9xymhVng6HJs0oqpiMJ8I++yRsW jgtemPhZ/5t+ZLvYW89w/6s6RdN+zWlI5DhkfqYqg06p99zP2bdsKtZsuukFu20O+P2/5vz8SBs q0QO+KzKwJPsaSjNl5QK2yBEi92PS9b0U7nNMjV243roMniJWX2Oi3aFGjOdz3haQii/I1R5yT0 HvYtx5iO9vOf3+PGsi9E+rn9bqfm4NM6aABWpJSGzcJxrZTi/iMRqut+tPTSPYd+jirg== X-Google-Smtp-Source: AGHT+IHSF68e7Pvhvf9STHeps+ErgF0M7PSY59oLwZS22Fd6Q5AvmcfDtj0L2ph+k6sEpjb4eXdrEQ== X-Received: by 2002:a17:902:d550:b0:29d:9b39:c05f with SMTP id d9443c01a7336-2a3ee465362mr84205955ad.10.1767943928623; Thu, 08 Jan 2026 23:32:08 -0800 (PST) From: Max Chou To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Max Chou , Richard Henderson , Alistair Francis Subject: [PATCH v5 2/4] target/riscv: rvv: Add Zvqdotq support Date: Fri, 9 Jan 2026 15:31:52 +0800 Message-ID: <20260109073154.46251-3-max.chou@sifive.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260109073154.46251-1-max.chou@sifive.com> References: <20260109073154.46251-1-max.chou@sifive.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::632; envelope-from=max.chou@sifive.com; helo=mail-pl1-x632.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @sifive.com) X-ZM-MESSAGEID: 1767943974110158500 Content-Type: text/plain; charset="utf-8" Support instructions for vector dot-product extension (Zvqdotq) - vqdot.[vv,vx] - vqdotu.[vv,vx] - vqdotsu.[vv,vx] - vqdotus.vx Reviewed-by: Richard Henderson Signed-off-by: Max Chou --- target/riscv/helper.h | 10 +++ target/riscv/insn32.decode | 9 +++ target/riscv/insn_trans/trans_rvzvqdotq.c.inc | 61 +++++++++++++++++++ target/riscv/translate.c | 1 + target/riscv/vector_helper.c | 57 +++++++++++++++++ 5 files changed, 138 insertions(+) create mode 100644 target/riscv/insn_trans/trans_rvzvqdotq.c.inc diff --git a/target/riscv/helper.h b/target/riscv/helper.h index b785456ee0..701fa938dc 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1285,6 +1285,16 @@ DEF_HELPER_5(vsm4k_vi, void, ptr, ptr, i32, env, i32) DEF_HELPER_4(vsm4r_vv, void, ptr, ptr, env, i32) DEF_HELPER_4(vsm4r_vs, void, ptr, ptr, env, i32) =20 +/* Vector dot-product functions */ +DEF_HELPER_6(vqdot_vv, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vqdotu_vv, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vqdotsu_vv, void, ptr, ptr, ptr, ptr, env, i32) + +DEF_HELPER_6(vqdot_vx, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vqdotu_vx, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vqdotsu_vx, void, ptr, ptr, tl, ptr, env, i32) +DEF_HELPER_6(vqdotus_vx, void, ptr, ptr, tl, ptr, env, i32) + /* CFI (zicfiss) helpers */ #ifndef CONFIG_USER_ONLY DEF_HELPER_1(ssamoswap_disabled, void, env) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 6e35c4b1e6..bae59678cd 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -1084,3 +1084,12 @@ sb_aqrl 00111 . . ..... ..... 000 ..... 0101111 @at= om_st sh_aqrl 00111 . . ..... ..... 001 ..... 0101111 @atom_st sw_aqrl 00111 . . ..... ..... 010 ..... 0101111 @atom_st sd_aqrl 00111 . . ..... ..... 011 ..... 0101111 @atom_st + +# *** Zvqdotq Vector Dot-Product Extension *** +vqdot_vv 101100 . ..... ..... 010 ..... 1010111 @r_vm +vqdot_vx 101100 . ..... ..... 110 ..... 1010111 @r_vm +vqdotu_vv 101000 . ..... ..... 010 ..... 1010111 @r_vm +vqdotu_vx 101000 . ..... ..... 110 ..... 1010111 @r_vm +vqdotsu_vv 101010 . ..... ..... 010 ..... 1010111 @r_vm +vqdotsu_vx 101010 . ..... ..... 110 ..... 1010111 @r_vm +vqdotus_vx 101110 . ..... ..... 110 ..... 1010111 @r_vm diff --git a/target/riscv/insn_trans/trans_rvzvqdotq.c.inc b/target/riscv/i= nsn_trans/trans_rvzvqdotq.c.inc new file mode 100644 index 0000000000..80134874e9 --- /dev/null +++ b/target/riscv/insn_trans/trans_rvzvqdotq.c.inc @@ -0,0 +1,61 @@ +/* + * RISC-V translation routines for the Zvqdotq vector dot-product extension + * + * Copyright (C) 2025 SiFive, Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License f= or + * more details. + * + * You should have received a copy of the GNU General Public License along= with + * this program. If not, see . + */ + +static bool vext_zvqdotq_base_check(DisasContext *s) +{ + return s->cfg_ptr->ext_zvqdotq && s->sew =3D=3D MO_32; +} + +static bool vext_vqdotq_opivv_check(DisasContext *s, arg_rmrr *a) +{ + return vext_zvqdotq_base_check(s) && opivv_check(s, a); +} + +#define GEN_VQDOTQ_OPIVV_TRANS(NAME, CHECK) \ +static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ +{ \ + if (CHECK(s, a)) { \ + return opivv_trans(a->rd, a->rs1, a->rs2, a->vm, \ + gen_helper_##NAME, s); \ + } \ + return false; \ +} + +GEN_VQDOTQ_OPIVV_TRANS(vqdot_vv, vext_vqdotq_opivv_check) +GEN_VQDOTQ_OPIVV_TRANS(vqdotu_vv, vext_vqdotq_opivv_check) +GEN_VQDOTQ_OPIVV_TRANS(vqdotsu_vv, vext_vqdotq_opivv_check) + +static bool vext_vqdotq_opivx_check(DisasContext *s, arg_rmrr *a) +{ + return vext_zvqdotq_base_check(s) && opivx_check(s, a); +} + +#define GEN_VQDOTQ_OPIVX_TRANS(NAME, CHECK) \ +static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \ +{ \ + if (CHECK(s, a)) { \ + return opivx_trans(a->rd, a->rs1, a->rs2, a->vm, \ + gen_helper_##NAME, s); \ + } \ + return false; \ +} + +GEN_VQDOTQ_OPIVX_TRANS(vqdot_vx, vext_vqdotq_opivx_check) +GEN_VQDOTQ_OPIVX_TRANS(vqdotu_vx, vext_vqdotq_opivx_check) +GEN_VQDOTQ_OPIVX_TRANS(vqdotsu_vx, vext_vqdotq_opivx_check) +GEN_VQDOTQ_OPIVX_TRANS(vqdotus_vx, vext_vqdotq_opivx_check) diff --git a/target/riscv/translate.c b/target/riscv/translate.c index f687c75fe4..3d8eaeecb7 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -1207,6 +1207,7 @@ static uint32_t opcode_at(DisasContextBase *dcbase, t= arget_ulong pc) #include "insn_trans/trans_rvzfh.c.inc" #include "insn_trans/trans_rvk.c.inc" #include "insn_trans/trans_rvvk.c.inc" +#include "insn_trans/trans_rvzvqdotq.c.inc" #include "insn_trans/trans_privileged.c.inc" #include "insn_trans/trans_svinval.c.inc" #include "insn_trans/trans_rvbf16.c.inc" diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 2de3358ee8..0666ab8855 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -921,6 +921,10 @@ GEN_VEXT_ST_WHOLE(vs8r_v, int8_t, ste_b_tlb, ste_b_hos= t) #define WOP_SSU_B int16_t, int8_t, uint8_t, int16_t, uint16_t #define WOP_SSU_H int32_t, int16_t, uint16_t, int32_t, uint32_t #define WOP_SSU_W int64_t, int32_t, uint32_t, int64_t, uint64_t +#define QOP_SSS_B int32_t, int8_t, int8_t, int32_t, int32_t +#define QOP_SUS_B int32_t, uint8_t, int8_t, uint32_t, int32_t +#define QOP_SSU_B int32_t, int8_t, uint8_t, int32_t, uint32_t +#define QOP_UUU_B uint32_t, uint8_t, uint8_t, uint32_t, uint32_t #define NOP_SSS_B int8_t, int8_t, int16_t, int8_t, int16_t #define NOP_SSS_H int16_t, int16_t, int32_t, int16_t, int32_t #define NOP_SSS_W int32_t, int32_t, int64_t, int32_t, int64_t @@ -5473,3 +5477,56 @@ GEN_VEXT_INT_EXT(vsext_vf2_d, int64_t, int32_t, H8, = H4) GEN_VEXT_INT_EXT(vsext_vf4_w, int32_t, int8_t, H4, H1) GEN_VEXT_INT_EXT(vsext_vf4_d, int64_t, int16_t, H8, H2) GEN_VEXT_INT_EXT(vsext_vf8_d, int64_t, int8_t, H8, H1) + + +/* Vector dot-product instructions. */ + +#define OPMVV_VQDOTQ(NAME, TD, T1, T2, TX1, TX2, HD, HS1, HS2) \ +static void do_##NAME(void *vd, void *vs1, void *vs2, int i) \ +{ \ + int idx; \ + TX1 *r1_buf =3D (TX1 *)vs1 + HD(i); \ + TX2 *r2_buf =3D (TX2 *)vs2 + HD(i); \ + TD acc =3D ((TD *)vd)[HD(i)]; \ + \ + for (idx =3D 0; idx < 4; ++idx) { \ + T1 r1 =3D ((T1 *)r1_buf)[HS1(idx)]; \ + T2 r2 =3D ((T2 *)r2_buf)[HS2(idx)]; \ + acc +=3D (TD)r1 * (TD)r2; \ + } \ + ((TD *)vd)[HD(i)] =3D acc; \ +} + +RVVCALL(OPMVV_VQDOTQ, vqdot_vv, QOP_SSS_B, H4, H1, H1) +RVVCALL(OPMVV_VQDOTQ, vqdotu_vv, QOP_UUU_B, H4, H1, H1) +RVVCALL(OPMVV_VQDOTQ, vqdotsu_vv, QOP_SUS_B, H4, H1, H1) + +GEN_VEXT_VV(vqdot_vv, 4) +GEN_VEXT_VV(vqdotu_vv, 4) +GEN_VEXT_VV(vqdotsu_vv, 4) + +#define OPMVX_VQDOTQ(NAME, TD, T1, T2, TX1, TX2, HD, HS1, HS2) \ +static void do_##NAME(void *vd, target_long s1, void *vs2, int i) \ +{ \ + int idx; \ + TX1 *r1_buf =3D (TX1 *)&s1; \ + TX2 *r2_buf =3D (TX2 *)vs2 + HD(i); \ + TD acc =3D ((TD *)vd)[HD(i)]; \ + \ + for (idx =3D 0; idx < 4; ++idx) { \ + T1 r1 =3D ((T1 *)r1_buf)[HS1(idx)]; \ + T2 r2 =3D ((T2 *)r2_buf)[HS2(idx)]; \ + acc +=3D (TD)r1 * (TD)r2; \ + } \ + ((TD *)vd)[HD(i)] =3D acc; \ +} + +RVVCALL(OPMVX_VQDOTQ, vqdot_vx, QOP_SSS_B, H4, H1, H1) +RVVCALL(OPMVX_VQDOTQ, vqdotu_vx, QOP_UUU_B, H4, H1, H1) +RVVCALL(OPMVX_VQDOTQ, vqdotsu_vx, QOP_SUS_B, H4, H1, H1) +RVVCALL(OPMVX_VQDOTQ, vqdotus_vx, QOP_SSU_B, H4, H1, H1) + +GEN_VEXT_VX(vqdot_vx, 4) +GEN_VEXT_VX(vqdotu_vx, 4) +GEN_VEXT_VX(vqdotsu_vx, 4) +GEN_VEXT_VX(vqdotus_vx, 4) --=20 2.43.7 From nobody Sun Feb 8 19:25:08 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=reject dis=none) header.from=sifive.com ARC-Seal: i=1; a=rsa-sha256; t=1767944012; cv=none; d=zohomail.com; s=zohoarc; b=DEFrrpkeBfi867eoq/1l/aSXXyOWx5pgssHskK8hzyJ0jSs4oJR5mPIMTRkkXDijTSO4uHb3GWj87aw42oQ0Z/t0POHJezh2vYiiRMUrI/BpSrHVSfp97QhQ08WE/N8hU6okZEbx3ExCzZ4fwQnVrOvHaE6TJGaHCzFTXHXkT+g= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1767944012; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=TRDm49NvemgpsDycWeF9XfPyaIh5gUwvlJ11vWn6hk4=; b=VcAOLICRPjQP6q9IRsVAiMRzZf6rxgSNVkf6jrEVgNco9MXsCJL0E/I/5GeMcSjP372dVs48Wdn8Ha8XhFG/bqhBQCEjKNsy1AzwaQs/hSwGvq3W+/BCIezrHLQjFGMGPs9loFnYgKuqt4RyWwXek/EOURyLXYGb+ZrHLPM0VPU= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1767944012736834.5459760983052; Thu, 8 Jan 2026 23:33:32 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ve6z4-0002sx-Cm; Fri, 09 Jan 2026 02:32:45 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ve6yk-0002YW-Rg for qemu-devel@nongnu.org; Fri, 09 Jan 2026 02:32:14 -0500 Received: from mail-pf1-x435.google.com ([2607:f8b0:4864:20::435]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ve6yi-0008Ic-2M for qemu-devel@nongnu.org; Fri, 09 Jan 2026 02:32:14 -0500 Received: by mail-pf1-x435.google.com with SMTP id d2e1a72fcca58-81e8b1bdf0cso97241b3a.3 for ; Thu, 08 Jan 2026 23:32:11 -0800 (PST) Received: from duncan.localdomain (114-35-142-126.hinet-ip.hinet.net. [114.35.142.126]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-819c52fd904sm9490421b3a.33.2026.01.08.23.32.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jan 2026 23:32:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1767943931; x=1768548731; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=TRDm49NvemgpsDycWeF9XfPyaIh5gUwvlJ11vWn6hk4=; b=NUnYsNgGzo79WJ26za1OAZJrO+95NLv8QR0ek3EakOgHS4Xc+yiKM+b+wSLIXqIg9Y qtt9fak+o6mNRMkG721zVME4O15IBOjG2GljrehVL2S0dpGKybpvRLRu/tivHR4p0O5v tDYkwcPlBeN3I8geVQ0QlBFsDgoohthxTDlw1ketMNH5rTgOQYOtree/g4g0Iia2Ef3U UEitBRTg7pp4l3fCg4lPzBeDXYRgIna7O0SSThSShhQzF4r0NZmWdSmpIPBIByV6r3ZH Z7cc6H3LhqTWr5I9ksPRDUQRWi+pmMxVzGvS4R3uW2c0q3PxjS43//OO4Uruvwpwa6tU 9qFw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767943931; x=1768548731; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=TRDm49NvemgpsDycWeF9XfPyaIh5gUwvlJ11vWn6hk4=; b=QcThPgAGDmvd6km2ChmgJj0xuOpcK+AAHAT413Bkw56rxf0bw+bmPe+S9nnNMPzfyK mrk1qarWqMwIO+3f0SpO0G1PcagbUDQBjUbLLqGnmwIzhjPJDFIJfjAiPcxpF5aUXvHD B4+M0C5iJoS3Gx0abGlUuOCvLFwqLTrgzBZzIQNQ+F940YRY/YxEQMj6wDpdeGiYdhrP p53Yyxwj+9wdfjHUdf6EAo4idRvb0FY8fjmRRNLyJDXnd3MuM3nKS0Bc6w3pkKDS+SeP L6uSZd9y3NnUv5FAw9394LqOOt/FaNwIm+KI4Romx0QGOKTGgW+pJIfTUVX9q1ZtKHPy HLZg== X-Gm-Message-State: AOJu0Yy/smC+fuAEarxe9TVAbWXHC50VYPnZPsA75Mdn2CYYuy+haT9M OnR9fZb8PtVWWtbLZIUmH6iFvATqnZVS4msR8GaSkVQBF+vwMLuNI9SeV2P2cRhYxTEm3k9Yws1 3pu/O7KzQJtamWGEViUepO5qORecKma2viyDdNimJDmMCLv7wvZqQtmy9/kf6rSwG2VDwSdI5mu 4lPV5189KEQne/ng/bu5C2T9eraevi2ZI56JU5tKU= X-Gm-Gg: AY/fxX5D7N5bcWpdNXOslD18QYXvCI51yM666G/yZd8+AbPimtAaVjN5CJeS9JAV2uj KHjFEYZsqD97xuR+Bza2+glmLWGC90wl3LGjtNNYTQsh/cWQ52LFvSo73040QdpeTOUkfkhbTMe rswQKyBCad1V97xAGy+t8S/KW4s6cN5cIUx/iIRMeV79SdtKi3pFMCZVJyq4WJjcr+os90KEpYX iD/7XJ+QL16Chq7wbEdC+fBmbz3ujcv973mgvwDfV1MzzQCXXX+pNV4i6FsF1hJTyxxyBMU/r8H UOW5mtOpjMBLzJf5/tDzdMy5rWEs0wNp4JgXfXedd4R6voCsvafMLy3rYragtxIIpzeuLmivogi yu+8QuKG0hLll0dn9VtvpdMjAPJqaio0PAobj8NMEbi0BGS9+GX3Wu0FUZEu/NR9YFN5DSJ6BEd 5U8GJrmaYMTAqMz67terfK0yCLggiMz8vzRaKDj8eZD3cqq8P3iisXuPY= X-Google-Smtp-Source: AGHT+IHUKAI6BQGfTkjwRhgYQ5PqRd/6mEHJ3yaOMpPEdHRX8SLNmA/JImNhJR2AAiFVg4OUnG9NqA== X-Received: by 2002:a05:6a00:4c0b:b0:7e8:4587:e8c8 with SMTP id d2e1a72fcca58-81b80cb21abmr7788062b3a.59.1767943930603; Thu, 08 Jan 2026 23:32:10 -0800 (PST) From: Max Chou To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Max Chou , Alistair Francis Subject: [PATCH v5 3/4] target/riscv: Expose Zvqdotq extension as a cpu property Date: Fri, 9 Jan 2026 15:31:53 +0800 Message-ID: <20260109073154.46251-4-max.chou@sifive.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260109073154.46251-1-max.chou@sifive.com> References: <20260109073154.46251-1-max.chou@sifive.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::435; envelope-from=max.chou@sifive.com; helo=mail-pf1-x435.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @sifive.com) X-ZM-MESSAGEID: 1767944014092158500 Content-Type: text/plain; charset="utf-8" Reviewed-by: Daniel Henrique Barboza Signed-off-by: Max Chou --- target/riscv/cpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index a295ddefdd..e1f408b037 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -1377,6 +1377,7 @@ const RISCVCPUMultiExtConfig riscv_cpu_vendor_exts[] = =3D { /* These are experimental so mark with 'x-' */ const RISCVCPUMultiExtConfig riscv_cpu_experimental_exts[] =3D { MULTI_EXT_CFG_BOOL("x-svukte", ext_svukte, false), + MULTI_EXT_CFG_BOOL("x-zvqdotq", ext_zvqdotq, false), =20 { }, }; --=20 2.43.7 From nobody Sun Feb 8 19:25:08 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=reject dis=none) header.from=sifive.com ARC-Seal: i=1; a=rsa-sha256; t=1767944004; cv=none; d=zohomail.com; s=zohoarc; b=fBz3BBgxN3XBXyb+GUpo1/DN4q/gilUbK5tHa1FvtlAPGdk6vuaiZxijoRYIrqDWnuKR6hm95jTKmeicVJtdV5pgtHKgBs18oQ2thXEaYyfyqzaiYos77frcxEgMBcG7fE/tI7UZQUmXO1VEIABY8phFHm6GZsvTbyENIrBeyQ4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1767944004; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=8ph4xqbmoEVTv72fGeGTo/4FX3xeTc8ZJNboz33aWPA=; b=iEvQjJwT3wfGLcQmLFMDLzcmocB+b9RjwwQt6b1F1uPQ37mYb5Omomp5Mw0MHcTQwGIZvj/B/xU8Kv6zRKxaI/X6088gTzfP8hZ2+x0jFlbE9nZQtYSGxGN/+s3MTQ42xqtt6+iKgrZ5zdIQhvwEoW009D9l1YnWeMqkRjwJxEs= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1767944004132622.298331655577; Thu, 8 Jan 2026 23:33:24 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1ve6zI-0002wG-CD; Fri, 09 Jan 2026 02:32:49 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1ve6yl-0002cZ-MA for qemu-devel@nongnu.org; Fri, 09 Jan 2026 02:32:15 -0500 Received: from mail-pf1-x434.google.com ([2607:f8b0:4864:20::434]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1ve6yk-0008J5-32 for qemu-devel@nongnu.org; Fri, 09 Jan 2026 02:32:15 -0500 Received: by mail-pf1-x434.google.com with SMTP id d2e1a72fcca58-81c5ff546f6so867879b3a.1 for ; Thu, 08 Jan 2026 23:32:13 -0800 (PST) Received: from duncan.localdomain (114-35-142-126.hinet-ip.hinet.net. [114.35.142.126]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-819c52fd904sm9490421b3a.33.2026.01.08.23.32.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jan 2026 23:32:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1767943933; x=1768548733; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=8ph4xqbmoEVTv72fGeGTo/4FX3xeTc8ZJNboz33aWPA=; b=RomITAMjqD+r6F+Yt9NvrEb/yW7SWLROERIKQX+YpirJ6dXWH8F7WWV9Ramotx8PTb Y7U9zNhH+yLmc1cvDSHsPoCnxcisq3Wk6P2d085hISspsEndI2ZnMtjMUbCbh7fZGpx9 LqTp2tTSYqebmECeCRe7v8vmQc65zJWXuM6altRg7ZRDjV8WG3Xfb5SO3nT7wM8y8ikI lomEQgy9lGq3mD8lFIyQffYNg3NXY782Sxcg9trN8pfebfmEe7IKnDStgGrkhj7KX6Ux bjO3jkoBqYRyKEouiBTDDKnYStKHlLeUnOLSJgqA+mjbvidXSZqrq9ivHO00ad4dYWaA 0rBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767943933; x=1768548733; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=8ph4xqbmoEVTv72fGeGTo/4FX3xeTc8ZJNboz33aWPA=; b=EO7+Txk0LKRjuM6+AHKdfTiCNmOdcRKAz6bjMb1PmpY4kE13Tiq6VlyX86QK71akhp mhM6mboNjSLNbf5O5VICHXiNOVfyZlk4MIJi9R7wvxg8Vjet/hQGc+z41DC5UvN5B75C fDgtwZYsQrMTHiHOVqRRfzp0Wem5Kk3ZlmliHcz7SJAatURokAkGhWkztJRayYB0/AfA sGmWF4BgeaQb+OPrRYpxB3uqx8ligFCxYivvebgYEiUW2onHvCJKzSsdkdJ82M4wXYLd I4o4jvW2tRFy+hBDNuaXwQEE+EK6RtL7JIVYE9rt27KcJ49C1paWpN+cPX7bF2Hynz3H 2dcA== X-Gm-Message-State: AOJu0Yz2BfSqtCRbMnYFMCaElKYw7iHRAWBrwYOGoFoxYaI2SRHCBYtM C0FTdgY5noJyL8G/f7Rx0UeI6utd/tqK1D9mXsxHHnh2AiLimyqIs5WUCFqZeb0rc16LRaB8A3J 1RdplP7w9vSs3r5OWBYVlqufL0MwcBG5Q5Pwuu9Qh69xZ2fR4b//zaL5I2Su6UdszABqSLAkHjR qmRZ/SS9PhnDvQ/G3SRbU+ih3bWQkKlOtV/j2qJTk= X-Gm-Gg: AY/fxX7Kp+rc67A7Tht9vIcxPoKqHCH3K/dmEuk5OaJ6sWh/IecmC26BL9bWxcCrdNo xuOj9EkdOln8I7d31XM37z4pRcOWhEzk6z2DeQi3QLDMZnOEhYVXPWvhknc2h2aARQnDO9OrkQ8 4lnvHlqLScuk5RcFD2P1W2GKvqbZAMhktv3uSEWTW/ZdL1iej44PE+Rl2tb4KVf+tlKC3+GUsJT Nmqq7S8j50PpZlwjSNsyz/l8pDtXz+aco/8x67hf8/061hgeK+sZ+5aYe0dNDeBWmpbpq2NaeT3 uVg2p1NkUvrT9NgqLzzGbA/oB8W66rVB6CyKGY9n7UJVqwLf8nw4Pgcm3He+pRBFOp5YAXLwcrq s5Ja1mHNC5x/i+oTO9zK3EidaoQ9+A3k8Vp+5EZThw6nvSxS8dIj300mzQkblUcTPtpKZZRzY8+ GsioL/0klT5bB7XGk7AMtbjEbkSrcpWxhmgw+TWBeI2JtAtvDwRhtcRAQ= X-Google-Smtp-Source: AGHT+IEB5f1ZiW2KpF5jYMplQeHCOajUZU1N5ngDZ/acdPHhnO4UdtSa3nWrJsWwAI8PWzvPWKlwRA== X-Received: by 2002:a05:6a00:1a15:b0:7e8:3fcb:9b0b with SMTP id d2e1a72fcca58-8194efe1e5dmr10337257b3a.33.1767943932479; Thu, 08 Jan 2026 23:32:12 -0800 (PST) From: Max Chou To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Max Chou Subject: [PATCH v5 4/4] disas/riscv: Support the Zvqdotq extension Date: Fri, 9 Jan 2026 15:31:54 +0800 Message-ID: <20260109073154.46251-5-max.chou@sifive.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260109073154.46251-1-max.chou@sifive.com> References: <20260109073154.46251-1-max.chou@sifive.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::434; envelope-from=max.chou@sifive.com; helo=mail-pf1-x434.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @sifive.com) X-ZM-MESSAGEID: 1767944005976158500 Content-Type: text/plain; charset="utf-8" The Zvqdotq provides following instructions: - vqdot.[vv,vx] Vector 8-bit Signed-Signed Dot Product - vqdotu.[vv,vx] Vector 8-bit Unsigned Dot Product - vqdotsu.[vv,vx] Vector 8-bit Signed-Unsigned Dot Product - vqdotus.vx Vector 8-bit Unsigned-Signed Dot Product Signed-off-by: Max Chou --- disas/riscv.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/disas/riscv.c b/disas/riscv.c index 85cd2a9c2a..b7520f2b42 100644 --- a/disas/riscv.c +++ b/disas/riscv.c @@ -984,6 +984,13 @@ typedef enum { rv_op_ssamoswap_d =3D 953, rv_op_c_sspush =3D 954, rv_op_c_sspopchk =3D 955, + rv_op_vqdot_vv =3D 956, + rv_op_vqdot_vx =3D 957, + rv_op_vqdotu_vv =3D 958, + rv_op_vqdotu_vx =3D 959, + rv_op_vqdotsu_vv =3D 960, + rv_op_vqdotsu_vx =3D 961, + rv_op_vqdotus_vx =3D 962, } rv_op; =20 /* register names */ @@ -2254,6 +2261,13 @@ const rv_opcode_data rvi_opcode_data[] =3D { rv_op_sspush, 0 }, { "c.sspopchk", rv_codec_cmop_ss, rv_fmt_rs1, NULL, rv_op_sspopchk, rv_op_sspopchk, 0 }, + { "vqdot.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 }, + { "vqdot.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 }, + { "vqdotu.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 }, + { "vqdotu.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 }, + { "vqdotsu.vv", rv_codec_v_r, rv_fmt_vd_vs1_vs2_vm, NULL, 0, 0, 0 }, + { "vqdotsu.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 }, + { "vqdotus.vx", rv_codec_v_r, rv_fmt_vd_rs1_vs2_vm, NULL, 0, 0, 0 }, }; =20 /* CSR names */ @@ -3738,8 +3752,11 @@ static void decode_inst_opcode(rv_decode *dec, rv_is= a isa) case 37: op =3D rv_op_vmul_vv; break; case 38: op =3D rv_op_vmulhsu_vv; break; case 39: op =3D rv_op_vmulh_vv; break; + case 40: op =3D rv_op_vqdotu_vv; break; case 41: op =3D rv_op_vmadd_vv; break; + case 42: op =3D rv_op_vqdotsu_vv; break; case 43: op =3D rv_op_vnmsub_vv; break; + case 44: op =3D rv_op_vqdot_vv; break; case 45: op =3D rv_op_vmacc_vv; break; case 47: op =3D rv_op_vnmsac_vv; break; case 48: op =3D rv_op_vwaddu_vv; break; @@ -3945,9 +3962,13 @@ static void decode_inst_opcode(rv_decode *dec, rv_is= a isa) case 37: op =3D rv_op_vmul_vx; break; case 38: op =3D rv_op_vmulhsu_vx; break; case 39: op =3D rv_op_vmulh_vx; break; + case 40: op =3D rv_op_vqdotu_vx; break; case 41: op =3D rv_op_vmadd_vx; break; + case 42: op =3D rv_op_vqdotsu_vx; break; case 43: op =3D rv_op_vnmsub_vx; break; + case 44: op =3D rv_op_vqdot_vx; break; case 45: op =3D rv_op_vmacc_vx; break; + case 46: op =3D rv_op_vqdotus_vx; break; case 47: op =3D rv_op_vnmsac_vx; break; case 48: op =3D rv_op_vwaddu_vx; break; case 49: op =3D rv_op_vwadd_vx; break; --=20 2.43.7