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[114.35.142.126]) by smtp.gmail.com with ESMTPSA id p10-20020a056a000a0a00b006e6b45debe8sm10811376pfh.78.2024.03.20.00.27.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Mar 2024 00:27:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1710919652; x=1711524452; 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=0mB7j8AGNJd84zJhNNXFzR1ILnT0s2AeibBFP1ll9q8=; b=ehNSPAvLOfuDsEsdmLebVian5yZ5QNLj8JZOQPE2HjEdUbVWTkTNDYyF7EgFjujZuM gfxwdWIO+upj8u5/5a6AhnGVOI16dyFuthxMWdLQMRgHCWdJaqHnT3yIvoLQ0F+gL/4/ KKCDLmsMPoDvWrh9VdcLu4yp01Laj/L2yWc1oE66hNjpPVAs/44k7CJuoS7LifH51qr4 vldv5d5Qn30eB3ntC9xm6xvpho//Q7s3qdqcatfo5QHga0FwH1MRAH/+XjlH/1L/pPBU ejpnG3EEVULaYHuVthhhZ71fQq6dS1LdmpAd6R9a2XybBC288qkTaaNFrjFwmNeQrfBa waxQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1710919652; x=1711524452; 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=0mB7j8AGNJd84zJhNNXFzR1ILnT0s2AeibBFP1ll9q8=; b=GVJc5zbuC2eC7Hzpw87wY2iaBXheHiPEJjmd/xcemK+LMEIuua2wH5hP8+9zk5u2tL 2jQVk+ZzBfWJ/ogCmGScu0yugY03SkquoKACQZjHFJSclfqhiFgvUJwltOW+txUcs00s Pd26sIwO5+b8Nk8ojLf3eYUvrWmE1qo6z7xww5p7QzRnX1yLAbQpQfUVMVA0YPEU+ZTv kpzoHoaam+wjozDjz/Nl0qXU8fHWaMrPgD2DbK+G664UL8C7In0rooDe+W73BeJK49V6 jiS6cxtM/mC6Aq3YX/ApiKHw7SRTTfOV9QQe5j124RmsIXAiiQj7hmbnK+ST0UK7+isg mjeg== X-Gm-Message-State: AOJu0Yy95kxKbW6QqFgmPhyACsWMVdv7UYvzUbW/rFd55MsOhIwI36j3 XKgJz7Uc3con7SXn8xSSuyinR+eAH71ON7utpUWfwKrzu01+0N2Arq9m/Lqq/vamKzOFLaXDAfe W2oEiCM6kutaIw7+xuxHv6trXXjQJc65Y/S+2k9PC6x2MHx9CFtTGuKoDJYoHNqS8OQCXBIjpzS lBN0UEVapqk6VjT2+xss0a72PbVBVVAkvN0DQnwg== X-Google-Smtp-Source: AGHT+IGbcJ0cskWqEKqhHDV9HjFrHuflfwV+4LJGPVCaJo+dLuXAq5K9LbCHO3N9M+kukDWRQ6TQWg== X-Received: by 2002:a05:6a00:4b52:b0:6e5:6971:55f with SMTP id kr18-20020a056a004b5200b006e56971055fmr19479523pfb.28.1710919651826; Wed, 20 Mar 2024 00:27:31 -0700 (PDT) From: Max Chou To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Max Chou , Palmer Dabbelt , Alistair Francis , Bin Meng , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , Richard Henderson Subject: [PATCH] target/riscv: rvv: Remove redudant SEW checking for vector fp narrow/widen instructions Date: Wed, 20 Mar 2024 15:25:05 +0800 Message-Id: <20240320072709.1043227-5-max.chou@sifive.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240320072709.1043227-1-max.chou@sifive.com> References: <20240320072709.1043227-1-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, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-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: 1710919695573100003 Content-Type: text/plain; charset="utf-8" If the checking functions check both the single and double width operators at the same time, then the single width operator checking functions (require_rvf[min]) will check whether the SEW is 8. Signed-off-by: Max Chou Reviewed-by: Daniel Henrique Barboza --- target/riscv/insn_trans/trans_rvv.c.inc | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_tr= ans/trans_rvv.c.inc index 19059fea5f..08c22f48cb 100644 --- a/target/riscv/insn_trans/trans_rvv.c.inc +++ b/target/riscv/insn_trans/trans_rvv.c.inc @@ -2333,7 +2333,6 @@ static bool opfvv_widen_check(DisasContext *s, arg_rm= rr *a) return require_rvv(s) && require_rvf(s) && require_scale_rvf(s) && - (s->sew !=3D MO_8) && vext_check_isa_ill(s) && vext_check_dss(s, a->rd, a->rs1, a->rs2, a->vm); } @@ -2373,7 +2372,6 @@ static bool opfvf_widen_check(DisasContext *s, arg_rm= rr *a) return require_rvv(s) && require_rvf(s) && require_scale_rvf(s) && - (s->sew !=3D MO_8) && vext_check_isa_ill(s) && vext_check_ds(s, a->rd, a->rs2, a->vm); } @@ -2406,7 +2404,6 @@ static bool opfwv_widen_check(DisasContext *s, arg_rm= rr *a) return require_rvv(s) && require_rvf(s) && require_scale_rvf(s) && - (s->sew !=3D MO_8) && vext_check_isa_ill(s) && vext_check_dds(s, a->rd, a->rs1, a->rs2, a->vm); } @@ -2446,7 +2443,6 @@ static bool opfwf_widen_check(DisasContext *s, arg_rm= rr *a) return require_rvv(s) && require_rvf(s) && require_scale_rvf(s) && - (s->sew !=3D MO_8) && vext_check_isa_ill(s) && vext_check_dd(s, a->rd, a->rs2, a->vm); } @@ -2704,8 +2700,7 @@ static bool opffv_widen_check(DisasContext *s, arg_rm= r *a) { return opfv_widen_check(s, a) && require_rvfmin(s) && - require_scale_rvfmin(s) && - (s->sew !=3D MO_8); + require_scale_rvfmin(s); } =20 #define GEN_OPFV_WIDEN_TRANS(NAME, CHECK, HELPER, FRM) \ @@ -2810,16 +2805,14 @@ static bool opffv_narrow_check(DisasContext *s, arg= _rmr *a) { return opfv_narrow_check(s, a) && require_rvfmin(s) && - require_scale_rvfmin(s) && - (s->sew !=3D MO_8); + require_scale_rvfmin(s); } =20 static bool opffv_rod_narrow_check(DisasContext *s, arg_rmr *a) { return opfv_narrow_check(s, a) && require_rvf(s) && - require_scale_rvf(s) && - (s->sew !=3D MO_8); + require_scale_rvf(s); } =20 #define GEN_OPFV_NARROW_TRANS(NAME, CHECK, HELPER, FRM) \ @@ -2947,8 +2940,7 @@ static bool freduction_widen_check(DisasContext *s, a= rg_rmrr *a) { return reduction_widen_check(s, a) && require_rvf(s) && - require_scale_rvf(s) && - (s->sew !=3D MO_8); + require_scale_rvf(s); } =20 GEN_OPFVV_WIDEN_TRANS(vfwredusum_vs, freduction_widen_check) --=20 2.31.1