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[122.116.72.36]) by smtp.gmail.com with ESMTPSA id v8sm6003950pgg.58.2020.09.29.12.07.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Sep 2020 12:07:24 -0700 (PDT) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [RFC v5 36/68] target/riscv: rvv-1.0: floating-point move instruction Date: Wed, 30 Sep 2020 03:04:11 +0800 Message-Id: <20200929190448.31116-37-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200929190448.31116-1-frank.chang@sifive.com> References: <20200929190448.31116-1-frank.chang@sifive.com> Received-SPF: pass client-ip=2607:f8b0:4864:20::543; envelope-from=frank.chang@sifive.com; helo=mail-pg1-x543.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 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: Sagar Karandikar , Frank Chang , Bastian Koppelmann , Richard Henderson , Alistair Francis , Palmer Dabbelt , LIU Zhiwei Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Frank Chang NaN-boxed the scalar floating-point register based on RVV 1.0's rules. Signed-off-by: Frank Chang --- target/riscv/insn_trans/trans_rvv.c.inc | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_trans/trans_rvv.c.inc index 46317ae490..254cface60 100644 --- a/target/riscv/insn_trans/trans_rvv.c.inc +++ b/target/riscv/insn_trans/trans_rvv.c.inc @@ -2709,9 +2709,15 @@ static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv_v_f *a) require_rvf(s) && vext_check_isa_ill(s) && require_align(a->rd, s->lmul)) { + TCGv_i64 t1; + if (s->vl_eq_vlmax) { + t1 = tcg_temp_new_i64(); + /* NaN-box f[rs1] */ + do_nanbox(s, t1, cpu_fpr[a->rs1]); + tcg_gen_gvec_dup_i64(s->sew, vreg_ofs(s, a->rd), - MAXSZ(s), MAXSZ(s), cpu_fpr[a->rs1]); + MAXSZ(s), MAXSZ(s), t1); mark_vs_dirty(s); } else { TCGv_ptr dest; @@ -2725,16 +2731,22 @@ static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv_v_f *a) TCGLabel *over = gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over); + t1 = tcg_temp_new_i64(); + /* NaN-box f[rs1] */ + do_nanbox(s, t1, cpu_fpr[a->rs1]); + dest = tcg_temp_new_ptr(); desc = tcg_const_i32(simd_desc(0, s->vlen / 8, data)); tcg_gen_addi_ptr(dest, cpu_env, vreg_ofs(s, a->rd)); - fns[s->sew - 1](dest, cpu_fpr[a->rs1], cpu_env, desc); + + fns[s->sew - 1](dest, t1, cpu_env, desc); tcg_temp_free_ptr(dest); tcg_temp_free_i32(desc); mark_vs_dirty(s); gen_set_label(over); } + tcg_temp_free_i64(t1); return true; } return false; -- 2.17.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from list by lists.gnu.org with archive (Exim 4.90_1) id 1kNKyI-00066Y-J9 for mharc-qemu-riscv@gnu.org; Tue, 29 Sep 2020 15:07:30 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44400) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kNKyG-00062h-Kr for qemu-riscv@nongnu.org; Tue, 29 Sep 2020 15:07:28 -0400 Received: from mail-pf1-x442.google.com ([2607:f8b0:4864:20::442]:33475) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kNKyE-0002Fb-F5 for qemu-riscv@nongnu.org; Tue, 29 Sep 2020 15:07:28 -0400 Received: by mail-pf1-x442.google.com with SMTP id q123so5546270pfb.0 for ; Tue, 29 Sep 2020 12:07:26 -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=Dgz3FhfTw8GOnd9OxFv1aL29mGED9JHvOecPRJ6gvME=; b=aIAn8Bs/4Degxc3EHaBnXUq46BuVx3iXfLvFjuaYq06GBh2DqPtvOfsgefM1wF+GO+ TqNCMd6fOy+jrPVstbhKVKWs61MiUqkG2vZlMIAnYo6gFCcBSjTq0copOcrwtzs+E5cq DkOllvvu+YIJvCr2QQ8mO8OWze29cLCxtbpfGsaVapGqajJPtsxy/KDXjeRKrTxBxmRa gdkZZyDdPaHGMcDHYwhfz3A343DKdnNg7+29zKNhJg2W++p4SF2X+I9kzGIklXuodpDX f4XFoRbcIc7UdWmvt1+PRc2sBgjXmUp499aNXEpWKXUV/LGomn2jMDwr+29AwiIBSpdA V93A== 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=Dgz3FhfTw8GOnd9OxFv1aL29mGED9JHvOecPRJ6gvME=; b=ihurUrpkHml16FgYLygNvexCeQmmCAk9tttcTi2+o6tBYS9xUsgw4SwLvRdyvM4lcK IbhGBHuDgYYA7I8sEqDoZ2lQXL11bN1OmFIBViAo7DvXhkuixEKpbEyypRudACXguI7Z xJ4NkZiVKicjPBghKOUM86nUUL9j/Pe5qK4z9zRAeCzW2ei2Ig7Z/XS1ZzOnmMUBzi4/ 4j4QKzfAjOQpKXkrcK8q9/XxZLZDAA1jAG8wL245zCcSsg+EOu5juY8Lu6Rrkb31mY5A TOWtxKmWyPmE7Hn67t/w465IpxpKM6m8MHu76ko5OFhDgc/pd1ggmDjhiqa3SMD42UKz PHTA== X-Gm-Message-State: AOAM5326eR/ZCRt8gbu9zz8hnG0w3qnGWJ8E9zNMA2Qw113lC5Ub0cGX gGu7tqiHRtkjA+nC8g+3A2w1Q1POEwBQBw== X-Google-Smtp-Source: ABdhPJxGvecUEPYFcrHc/enVIT9nQfq/MMuufs4aJoJit6x5cbotQjkKjai1ZEqEnNJ3I2kP4wA16g== X-Received: by 2002:a63:df42:: with SMTP id h2mr4575594pgj.239.1601406445351; Tue, 29 Sep 2020 12:07:25 -0700 (PDT) Received: from localhost.localdomain (122-116-72-36.HINET-IP.hinet.net. [122.116.72.36]) by smtp.gmail.com with ESMTPSA id v8sm6003950pgg.58.2020.09.29.12.07.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Sep 2020 12:07:24 -0700 (PDT) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Frank Chang , Palmer Dabbelt , Alistair Francis , Sagar Karandikar , Bastian Koppelmann , Richard Henderson , LIU Zhiwei Subject: [RFC v5 36/68] target/riscv: rvv-1.0: floating-point move instruction Date: Wed, 30 Sep 2020 03:04:11 +0800 Message-Id: <20200929190448.31116-37-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200929190448.31116-1-frank.chang@sifive.com> References: <20200929190448.31116-1-frank.chang@sifive.com> Received-SPF: pass client-ip=2607:f8b0:4864:20::442; envelope-from=frank.chang@sifive.com; helo=mail-pf1-x442.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 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-riscv@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Sep 2020 19:07:29 -0000 From: Frank Chang NaN-boxed the scalar floating-point register based on RVV 1.0's rules. Signed-off-by: Frank Chang --- target/riscv/insn_trans/trans_rvv.c.inc | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-) diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_trans/trans_rvv.c.inc index 46317ae490..254cface60 100644 --- a/target/riscv/insn_trans/trans_rvv.c.inc +++ b/target/riscv/insn_trans/trans_rvv.c.inc @@ -2709,9 +2709,15 @@ static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv_v_f *a) require_rvf(s) && vext_check_isa_ill(s) && require_align(a->rd, s->lmul)) { + TCGv_i64 t1; + if (s->vl_eq_vlmax) { + t1 = tcg_temp_new_i64(); + /* NaN-box f[rs1] */ + do_nanbox(s, t1, cpu_fpr[a->rs1]); + tcg_gen_gvec_dup_i64(s->sew, vreg_ofs(s, a->rd), - MAXSZ(s), MAXSZ(s), cpu_fpr[a->rs1]); + MAXSZ(s), MAXSZ(s), t1); mark_vs_dirty(s); } else { TCGv_ptr dest; @@ -2725,16 +2731,22 @@ static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv_v_f *a) TCGLabel *over = gen_new_label(); tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over); + t1 = tcg_temp_new_i64(); + /* NaN-box f[rs1] */ + do_nanbox(s, t1, cpu_fpr[a->rs1]); + dest = tcg_temp_new_ptr(); desc = tcg_const_i32(simd_desc(0, s->vlen / 8, data)); tcg_gen_addi_ptr(dest, cpu_env, vreg_ofs(s, a->rd)); - fns[s->sew - 1](dest, cpu_fpr[a->rs1], cpu_env, desc); + + fns[s->sew - 1](dest, t1, cpu_env, desc); tcg_temp_free_ptr(dest); tcg_temp_free_i32(desc); mark_vs_dirty(s); gen_set_label(over); } + tcg_temp_free_i64(t1); return true; } return false; -- 2.17.1