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[114.34.229.221]) by smtp.gmail.com with ESMTPSA id d9sm16478588pgv.45.2020.08.17.01.51.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 17 Aug 2020 01:51:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=aSuxM7z3Zcd8Qt9fuXNwzVvaRXhXe1Q5X81hD5IACMw=; b=WoZasPODCnVrPrvyBi1YVI1DHb6PQZ7w1ZED7/y3Wagd88IAa9QgWrypjy+ar1iCmd H8FXY6cigtIXNXQ5HoMKmldtxvVzv8IVjMW2nqxPSI3bjY+SVV/kq7O//3dV44zvyWzg Etr6PfRKUaTAi6tII74Fg7wAKAsP6Qjq890/zGiM309pnJ1TWkWshGvaGovo1tgOWmJG vcyMHScCrz+dbOeJN8wWefydiMczqFIJT0R+5OwVh+h5m/IuC/dLAIFdmLqZepQ6yxgI RxovUAJNOa2b2s73PP8lX63fFIFQ3UXY+MTBGgP/DC+TYtQryczbsFOs96jxZ2DIoLF6 KvVw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=aSuxM7z3Zcd8Qt9fuXNwzVvaRXhXe1Q5X81hD5IACMw=; b=M9CWvgvMempSgtmIRzngpMAida0XQx+SV22WJdz7PIWBWaI7GfHeDxr5VcbxnWmwvK GBBe8cPrWbIUNr2bGe5Ekr9+HHcBW/n99DZMwzhAaYbLaFLOwDVpqymANbycO0+fCLW9 icGfWVBu20NhwOPp9AmlR8ZyqN/PA0nCzVBoFaNG4znqdLGYoyyRO96VwEBYvCt9busN i0N7O6BHFMVHbpvEm7T1FFX+flY7aMNAbRF9DzFOf6+RY1vN46RxwIB+jHHpxpc0JL7u HgvLVbbZinvGmcx5EMnvDuKnysDjkcuzG+7BE/cO4OZJ512AM693o/GAVIj+FKpfSiRn I93w== X-Gm-Message-State: AOAM5308d9ndc2MBvuxDLXzbVPakTPzuHZieW1j/weQQgUwNz9v8lv+a jRazna5LJSJSEdQowz6FtxRArQfAxZnTAQ== X-Google-Smtp-Source: ABdhPJwwx2RZogmwC+ZAfV9vQhVgChGrBOzodhyhkR4+TWRI+MB7Xrjc3jYhIzDYilx2hntvK18R6w== X-Received: by 2002:a62:7687:: with SMTP id r129mr10627548pfc.308.1597654312559; Mon, 17 Aug 2020 01:51:52 -0700 (PDT) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [RFC v4 38/70] target/riscv: rvv-1.0: whole register move instructions Date: Mon, 17 Aug 2020 16:49:23 +0800 Message-Id: <20200817084955.28793-39-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200817084955.28793-1-frank.chang@sifive.com> References: <20200817084955.28793-1-frank.chang@sifive.com> 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::441; envelope-from=frank.chang@sifive.com; helo=mail-pf1-x441.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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, URIBL_BLOCKED=0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Frank Chang , Alistair Francis , Palmer Dabbelt , Sagar Karandikar , Bastian Koppelmann Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Frank Chang Add the following instructions: * vmv1r.v * vmv2r.v * vmv4r.v * vmv8r.v Signed-off-by: Frank Chang Reviewed-by: Richard Henderson --- target/riscv/insn32.decode | 4 ++++ target/riscv/insn_trans/trans_rvv.inc.c | 25 +++++++++++++++++++++++++ 2 files changed, 29 insertions(+) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 97fce34fcd8..65ff1688c25 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -614,6 +614,10 @@ vrgatherei16_vv 001110 . ..... ..... 000 ..... 1010111= @r_vm vrgather_vx 001100 . ..... ..... 100 ..... 1010111 @r_vm vrgather_vi 001100 . ..... ..... 011 ..... 1010111 @r_vm vcompress_vm 010111 - ..... ..... 010 ..... 1010111 @r +vmv1r_v 100111 1 ..... 00000 011 ..... 1010111 @r2rd +vmv2r_v 100111 1 ..... 00001 011 ..... 1010111 @r2rd +vmv4r_v 100111 1 ..... 00011 011 ..... 1010111 @r2rd +vmv8r_v 100111 1 ..... 00111 011 ..... 1010111 @r2rd =20 vsetvli 0 ........... ..... 111 ..... 1010111 @r2_zimm vsetvl 1000000 ..... ..... 111 ..... 1010111 @r diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_tr= ans/trans_rvv.inc.c index 95fdd972fdf..52f2f4902c0 100644 --- a/target/riscv/insn_trans/trans_rvv.inc.c +++ b/target/riscv/insn_trans/trans_rvv.inc.c @@ -3479,3 +3479,28 @@ static bool trans_vcompress_vm(DisasContext *s, arg_= r *a) } return false; } + +/* + * Whole Vector Register Move Instructions ignore vtype and vl setting. + * Thus, we don't need to check vill bit. (Section 17.6) + */ +#define GEN_VMV_WHOLE_TRANS(NAME, LEN) \ +static bool trans_##NAME(DisasContext *s, arg_##NAME * a) \ +{ \ + if (require_rvv(s) && \ + QEMU_IS_ALIGNED(a->rd, LEN) && \ + QEMU_IS_ALIGNED(a->rs2, LEN)) { \ + /* EEW =3D 8 */ \ + tcg_gen_gvec_mov(MO_8, vreg_ofs(s, a->rd), \ + vreg_ofs(s, a->rs2), \ + s->vlen / 8 * LEN, s->vlen / 8 * LEN); \ + mark_vs_dirty(s); \ + return true; \ + } \ + return false; \ +} + +GEN_VMV_WHOLE_TRANS(vmv1r_v, 1) +GEN_VMV_WHOLE_TRANS(vmv2r_v, 2) +GEN_VMV_WHOLE_TRANS(vmv4r_v, 4) +GEN_VMV_WHOLE_TRANS(vmv8r_v, 8) --=20 2.17.1