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Signed-off-by: Max Chou Reviewed-by: Daniel Henrique Barboza --- 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 d055ddf462..d0909f7beb 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -187,6 +187,7 @@ 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 e2d116f0df..5da59c22d6 100644 --- a/target/riscv/cpu_cfg_fields.h.inc +++ b/target/riscv/cpu_cfg_fields.h.inc @@ -100,6 +100,7 @@ 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 78fb279184..7015370ab0 100644 --- a/target/riscv/tcg/tcg-cpu.c +++ b/target/riscv/tcg/tcg-cpu.c @@ -767,6 +767,11 @@ 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 2.39.3 From nobody Sun Sep 28 16:37:08 2025 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=1757300067; cv=none; d=zohomail.com; s=zohoarc; b=FaZVDKNRJm/ghQtLaANLx2ikYyCDNIBcJDUdAekd55DwVt90l3lD9wD3nVnwv64ZWQrcD1Ll2A6VrRLayEXJ7D5gL+12gwuUelSGEnk11REaar/2Qt1Kqw1SERHbI8ieFuSXLLB5V1SdJkBSLWnEYp7/IMLgodAl8kOhQbHwcR0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1757300067; 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=nqAwKmltmiI7r/nUnFfBQ+cYPc/avcq0j+oCHbJPWtQ=; b=jSxBqWQeMXaUYXo+XFtRhMu0087bL3JF0/CuL1GgQLEL2eBsCU53/bpqobdod9CEFJP2Jc9YDPIRavJKxBvybubnu/Qs+Cn6rsWOVDirgaYZONwjY9reqKEVdVtTysYO5BKpeaz+wCsVwWtPOxQ5lXqsrWxkfQHUGyWmE894lzI= 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 1757300067093665.8759232821028; Sun, 7 Sep 2025 19:54:27 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1uvRz3-0004p0-07; Sun, 07 Sep 2025 22:51:58 -0400 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 1uvRyx-0004o2-EF for qemu-devel@nongnu.org; Sun, 07 Sep 2025 22:51:51 -0400 Received: from mail-pf1-x42f.google.com ([2607:f8b0:4864:20::42f]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1uvRyi-0003jq-EK for qemu-devel@nongnu.org; Sun, 07 Sep 2025 22:51:50 -0400 Received: by mail-pf1-x42f.google.com with SMTP id d2e1a72fcca58-77281ea2dc7so3061765b3a.2 for ; Sun, 07 Sep 2025 19:51:32 -0700 (PDT) Received: from duncan.localdomain (114-35-142-126.hinet-ip.hinet.net. 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Sun, 07 Sep 2025 19:51:29 -0700 (PDT) From: Max Chou To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , richard.henderson@linaro.org, Max Chou Subject: [RFC PATCH v4 2/3] target/riscv: rvv: Add Zvqdotq support Date: Mon, 8 Sep 2025 10:51:16 +0800 Message-ID: <20250908025117.1728895-3-max.chou@sifive.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250908025117.1728895-1-max.chou@sifive.com> References: <20250908025117.1728895-1-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 client-ip=2607:f8b0:4864:20::42f; envelope-from=max.chou@sifive.com; helo=mail-pf1-x42f.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, T_SPF_TEMPERROR=0.01 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: 1757300067682116600 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 Signed-off-by: Max Chou Reviewed-by: Richard Henderson --- 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 f712b1c368..80274f1dad 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1284,3 +1284,13 @@ DEF_HELPER_4(vgmul_vv, void, ptr, ptr, env, i32) 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) + +/* 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) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index cd23b1f3a9..50a6156667 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -1066,3 +1066,12 @@ amominu_h 11000 . . ..... ..... 001 ..... 0101111 @= atom_st amomaxu_h 11100 . . ..... ..... 001 ..... 0101111 @atom_st amocas_b 00101 . . ..... ..... 000 ..... 0101111 @atom_st amocas_h 00101 . . ..... ..... 001 ..... 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 9ddef2d6e2..6f43ed1ffd 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -1190,6 +1190,7 @@ 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 7c67d67a13..9d32fe0acc 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 2.39.3 From nobody Sun Sep 28 16:37:08 2025 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=1757300065; cv=none; d=zohomail.com; s=zohoarc; b=BfpD5fjJhs3boK5YbHs7WrhMtgQXB3QPWeFyXPM7RNAvPt16WMIfWiLsVaSrMtYSVUw5OVfUHTTSNLDCq1+V7tqiUiwS/WAySNdCx2f5iUSehwequ9zDKSYzYibEsJOrmtRX4QyKspxHEYEl99Jfpnzfe0xfFLVabIkaDmbA4Ec= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; 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[114.35.142.126]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-772306a1870sm26823834b3a.75.2025.09.07.19.51.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Sep 2025 19:51:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1757299893; x=1757904693; 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=gQTGaMwRsY4E0LA8RI6FgJSJeVNA3/bkP8+cxXGBtWY=; b=MSapCeeqFjLD6REwvqWP0NRJuf8W7e2MTbFOVd9JK2NJErojyBCtRmv6edWL8sq/X8 USrAprnBt+aGyNpcBwKvG2RxnLItGMWVEguQZKfGZWT+ZEQ+24M/kfmg0ylbTZHN4J+u tXxxcP96H10V2vMtzBHHl9jV9EhjVAeH2BIDu4Aee5olairP1HgaF9MYgULhFzDH3IL1 iSVdIiXZHrYHKY8/ooCkoiAoax9g4OTMXchbjACBvRsFWXrKE52YftN5PPVCQwD6Iool mcEKuKXzV6yn+65lZi0NfAAGub9tjgFpBrSe+FsZUQF6LGyREw7VqBTufRozLzOBpthI 3xPg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757299893; x=1757904693; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=gQTGaMwRsY4E0LA8RI6FgJSJeVNA3/bkP8+cxXGBtWY=; b=OtaJNPE2hGeKlusmOqOfM1Y4HHjZ3MDB0AhSwd0I2f/SM0wyq/P6mLpaOxkvVjjAdf gxwo7VEk9Cg1RPbCngxLSOor9VuLlCjG1OgoprmQTwkbxmKiDB7VUXWIYM9yKQQxd6jj bjoudHsEG5LiuwpN6yHe0TruiK9PnekJz5QiHqeB7fNMXlu+zz5JhHE96D1KyyahrSDV f/UT/cr/82whdkiz7cWcSooy4xJRbcUc3bWffh1VlbV5+RgLi3xbdYpw9HhTscyRyhdY 6VRgkEHIAqDdBe9a5voBf+j9/GFxgdKVz/S1r4Yd47d9qiMWvdDwUBbl+gcfzEbF2BEE uJag== X-Gm-Message-State: AOJu0YzxUGadpvrfOmwQXPOYWQcxPottn2Nq7Gh6t0E3GOGDKy/VXLWu 0ja+D0fK8KFADiXKappJpi83wY0x8KanI6YSFJuhW36g1D9XLH0rUWQJpHTqFWbHEu5McfavDh+ m3RWwHnq74GP0CemBX+8NAqKZEBG4H2eoneiZ66OtxA9lrFmK01HhbKvDfGgnrRZCJpjLROFGqi 7WxbK9LpJkiwYsJplWVUkMzOsWMzoH991Mti2ohAzxyQ== X-Gm-Gg: ASbGncsOzMGETMofPaUUDDRD1rJVozQe+6e9lFJa0Lg0u1/oG8LQPANPj+QQ8NdpyR6 TCFPC85ux+QU0VobZiq2QNAHvhI/sIT5UvqkOXs1FDZSf+mKRfwnDW+NFuK9+HpcQ9GTRtNJDUA 70CkmxBXipC56ETAAdACiv+Bvqk8p7NxfKzzKQMGXMMVr6xp3eUe1ESbun2IupzRBiNt1nsypF4 zN7NKWv0XJxGw/2Dx6sc/DFv4K6GC7IzSsw5+f8Cz/nXc6zMtONw4GBRZYenR5miZ+Pwxog6hvF /N+Z2WpqOv0PYMOShoZNg0IiiODo6OXZYZiBs+3og2e5O55N8m3LhlInAqsB96SebtoHdvB+deC EFrnha5uHkunzN28hu1/XmVAGail7dCND6Dgm9rdMfcy2P9eskYcs7NJEdkW6HepM4Lix8Y+q+/ iTp553B/KJu3TP X-Google-Smtp-Source: AGHT+IGCsJDONcPps5oWEWTc66jhlG2RbmthH2x/WX9FeFsDsh4/NCzwgDtNvBbug/sEziero9iIWw== X-Received: by 2002:a05:6a21:998d:b0:24a:78a3:5b1 with SMTP id adf61e73a8af0-2534441fad3mr7981953637.35.1757299892472; Sun, 07 Sep 2025 19:51:32 -0700 (PDT) From: Max Chou To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , richard.henderson@linaro.org, Max Chou Subject: [RFC PATCH v4 3/3] target/riscv: Expose Zvqdotq extension as a cpu property Date: Mon, 8 Sep 2025 10:51:17 +0800 Message-ID: <20250908025117.1728895-4-max.chou@sifive.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250908025117.1728895-1-max.chou@sifive.com> References: <20250908025117.1728895-1-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 client-ip=2607:f8b0:4864:20::431; envelope-from=max.chou@sifive.com; helo=mail-pf1-x431.google.com X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, T_SPF_TEMPERROR=0.01 autolearn=no 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: 1757300065687116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Max Chou Reviewed-by: Daniel Henrique Barboza --- target/riscv/cpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index d0909f7beb..68fdd2887c 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -1373,6 +1373,7 @@ 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 2.39.3