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[114.34.229.221]) by smtp.gmail.com with ESMTPSA id c125sm22301879pfa.119.2020.07.22.02.21.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Jul 2020 02:21:25 -0700 (PDT) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [RFC v2 54/76] target/riscv: rvv-0.9: floating-point compare instructions Date: Wed, 22 Jul 2020 17:16:17 +0800 Message-Id: <20200722091641.8834-55-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200722091641.8834-1-frank.chang@sifive.com> References: <20200722091641.8834-1-frank.chang@sifive.com> Received-SPF: pass client-ip=2607:f8b0:4864:20::42b; envelope-from=frank.chang@sifive.com; helo=mail-pf1-x42b.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Frank Chang Clear tail elements only if VTA is agnostic. Signed-off-by: Frank Chang --- target/riscv/vector_helper.c | 52 ++++++++++++++++++++---------------- 1 file changed, 29 insertions(+), 23 deletions(-) diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 95cce063d0..8dccec4e04 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -4174,27 +4174,30 @@ GEN_VEXT_VF(vfsgnjx_vf_w, 4, 4, clearl) GEN_VEXT_VF(vfsgnjx_vf_d, 8, 8, clearq) /* Vector Floating-Point Compare Instructions */ -#define GEN_VEXT_CMP_VV_ENV(NAME, ETYPE, H, DO_OP) \ -void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \ - CPURISCVState *env, uint32_t desc) \ -{ \ - uint32_t vm = vext_vm(desc); \ - uint32_t vl = env->vl; \ - uint32_t vlmax = vext_maxsz(desc) / sizeof(ETYPE); \ - uint32_t i; \ - \ - for (i = 0; i < vl; i++) { \ - ETYPE s1 = *((ETYPE *)vs1 + H(i)); \ - ETYPE s2 = *((ETYPE *)vs2 + H(i)); \ - if (!vm && !vext_elem_mask(v0, i)) { \ - continue; \ - } \ - vext_set_elem_mask(vd, i, \ - DO_OP(s2, s1, &env->fp_status)); \ - } \ - for (; i < vlmax; i++) { \ - vext_set_elem_mask(vd, i, 0); \ - } \ +#define GEN_VEXT_CMP_VV_ENV(NAME, ETYPE, H, DO_OP) \ +void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \ + CPURISCVState *env, uint32_t desc) \ +{ \ + uint32_t vm = vext_vm(desc); \ + uint32_t vl = env->vl; \ + uint32_t vlmax = vext_max_elems(desc, sizeof(ETYPE), false); \ + uint32_t vta = vext_vta(desc); \ + uint32_t i; \ + \ + for (i = 0; i < vl; i++) { \ + ETYPE s1 = *((ETYPE *)vs1 + H(i)); \ + ETYPE s2 = *((ETYPE *)vs2 + H(i)); \ + if (!vm && !vext_elem_mask(v0, i)) { \ + continue; \ + } \ + vext_set_elem_mask(vd, i, \ + DO_OP(s2, s1, &env->fp_status)); \ + } \ + if (vta == 1) { \ + for (; i < vlmax; i++) { \ + vext_set_elem_mask(vd, i, 1); \ + } \ + } \ } GEN_VEXT_CMP_VV_ENV(vmfeq_vv_h, uint16_t, H2, float16_eq_quiet) @@ -4208,6 +4211,7 @@ void HELPER(NAME)(void *vd, void *v0, uint64_t s1, void *vs2, \ uint32_t vm = vext_vm(desc); \ uint32_t vl = env->vl; \ uint32_t vlmax = vext_max_elems(desc, sizeof(ETYPE), false); \ + uint32_t vta = vext_vta(desc); \ uint32_t i; \ \ for (i = 0; i < vl; i++) { \ @@ -4218,8 +4222,10 @@ void HELPER(NAME)(void *vd, void *v0, uint64_t s1, void *vs2, \ vext_set_elem_mask(vd, i, \ DO_OP(s2, (ETYPE)s1, &env->fp_status)); \ } \ - for (; i < vlmax; i++) { \ - vext_set_elem_mask(vd, i, 0); \ + if (vta == 1) { \ + for (; i < vlmax; i++) { \ + vext_set_elem_mask(vd, i, 1); \ + } \ } \ } -- 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 1jyAwM-0005Wf-IF for mharc-qemu-riscv@gnu.org; Wed, 22 Jul 2020 05:21:30 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54898) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jyAwK-0005SM-Uf for qemu-riscv@nongnu.org; Wed, 22 Jul 2020 05:21:28 -0400 Received: from mail-pg1-x529.google.com ([2607:f8b0:4864:20::529]:38595) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jyAwI-00062u-VV for qemu-riscv@nongnu.org; Wed, 22 Jul 2020 05:21:28 -0400 Received: by mail-pg1-x529.google.com with SMTP id e8so873357pgc.5 for ; Wed, 22 Jul 2020 02:21:26 -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=lSGavHjP8DkZgSzTSXFcl5cCaE8i//N9BsXmCdZs8Ww=; b=KnWT1lixgFk93ruSwizppy66iVSTs4uQDmPJVDG6azKUhMF/vrkNPXwIqe4J1B1ntZ OPTmxCdZ0u2Shkdu9MEQ5vfTqJMfzb4t12BbYXG4Faksy0KZ+oYNRpApi2m0wa03vL/G BY57bbbGelfBJKSbQNTakkkNWRjShXExUazmLr4XgN6OMTwV4LG3BJ0xshL9mnUPkWNW IeISZaLH4URxadfcpMJa271M+VM7TMdxE74z+laNI2Kp+mQ2s7o5pnu1spYmxrOV7Mly wRwjKRhIQ1CN2lHl/YayZj+ta/mQI2C7gnfmFpWJgfzqHvKJA4DfTWuu3IBIaYpW5hc2 Xifg== 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=lSGavHjP8DkZgSzTSXFcl5cCaE8i//N9BsXmCdZs8Ww=; b=BBztc1k6ibSPrkOsujeGgYsZ56vuKu1TJn4DT94C+mInRxcKsa5IVrSIvUWSg4dlNH hDozal4IvFeRyxDVeMiZYUVI29mrZ3DeKxxrW9WkWG0+LYS+Itxi2svcfSB7HeM1qYd7 X7kxU/QXBPKICIq3aWzH9McxUpurwqPOa0xhMLZ1H+UPASDtLPnHzf/wXbLT08PuSc0N NPBGMj5HdlRawXCQR20kCck/zP424LE1eg0lslK59f8BQ0Qx92aE7UvMibJeJra8XPVh VYcAhg4quT6YMwZdcleAcs6dqUdVG1qpN4EzpvoZXpvXUaX06oDi/CbUxLPBFXv2iN/s /kDw== X-Gm-Message-State: AOAM533WbPzcsv60Mxd6bpO3cU0sJiC66hlGsmQaFeb8LGdJxho0lL8K yNI7I/HpODYGJFy+twOxWm/eUXdVmVg= X-Google-Smtp-Source: ABdhPJw4B0xCrzhHOPZfBkQkihjMR9DtE3963cnKY79n15QckVEZ8ytX+dJHhJvZeDQh9TTxrc2o3Q== X-Received: by 2002:a62:a20d:: with SMTP id m13mr6294215pff.201.1595409685603; Wed, 22 Jul 2020 02:21:25 -0700 (PDT) Received: from frankchang-ThinkPad-T490.internal.sifive.com (114-34-229-221.HINET-IP.hinet.net. [114.34.229.221]) by smtp.gmail.com with ESMTPSA id c125sm22301879pfa.119.2020.07.22.02.21.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 22 Jul 2020 02:21:25 -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 Subject: [RFC v2 54/76] target/riscv: rvv-0.9: floating-point compare instructions Date: Wed, 22 Jul 2020 17:16:17 +0800 Message-Id: <20200722091641.8834-55-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200722091641.8834-1-frank.chang@sifive.com> References: <20200722091641.8834-1-frank.chang@sifive.com> Received-SPF: pass client-ip=2607:f8b0:4864:20::529; envelope-from=frank.chang@sifive.com; helo=mail-pg1-x529.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=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: Wed, 22 Jul 2020 09:21:29 -0000 From: Frank Chang Clear tail elements only if VTA is agnostic. Signed-off-by: Frank Chang --- target/riscv/vector_helper.c | 52 ++++++++++++++++++++---------------- 1 file changed, 29 insertions(+), 23 deletions(-) diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index 95cce063d0..8dccec4e04 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -4174,27 +4174,30 @@ GEN_VEXT_VF(vfsgnjx_vf_w, 4, 4, clearl) GEN_VEXT_VF(vfsgnjx_vf_d, 8, 8, clearq) /* Vector Floating-Point Compare Instructions */ -#define GEN_VEXT_CMP_VV_ENV(NAME, ETYPE, H, DO_OP) \ -void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \ - CPURISCVState *env, uint32_t desc) \ -{ \ - uint32_t vm = vext_vm(desc); \ - uint32_t vl = env->vl; \ - uint32_t vlmax = vext_maxsz(desc) / sizeof(ETYPE); \ - uint32_t i; \ - \ - for (i = 0; i < vl; i++) { \ - ETYPE s1 = *((ETYPE *)vs1 + H(i)); \ - ETYPE s2 = *((ETYPE *)vs2 + H(i)); \ - if (!vm && !vext_elem_mask(v0, i)) { \ - continue; \ - } \ - vext_set_elem_mask(vd, i, \ - DO_OP(s2, s1, &env->fp_status)); \ - } \ - for (; i < vlmax; i++) { \ - vext_set_elem_mask(vd, i, 0); \ - } \ +#define GEN_VEXT_CMP_VV_ENV(NAME, ETYPE, H, DO_OP) \ +void HELPER(NAME)(void *vd, void *v0, void *vs1, void *vs2, \ + CPURISCVState *env, uint32_t desc) \ +{ \ + uint32_t vm = vext_vm(desc); \ + uint32_t vl = env->vl; \ + uint32_t vlmax = vext_max_elems(desc, sizeof(ETYPE), false); \ + uint32_t vta = vext_vta(desc); \ + uint32_t i; \ + \ + for (i = 0; i < vl; i++) { \ + ETYPE s1 = *((ETYPE *)vs1 + H(i)); \ + ETYPE s2 = *((ETYPE *)vs2 + H(i)); \ + if (!vm && !vext_elem_mask(v0, i)) { \ + continue; \ + } \ + vext_set_elem_mask(vd, i, \ + DO_OP(s2, s1, &env->fp_status)); \ + } \ + if (vta == 1) { \ + for (; i < vlmax; i++) { \ + vext_set_elem_mask(vd, i, 1); \ + } \ + } \ } GEN_VEXT_CMP_VV_ENV(vmfeq_vv_h, uint16_t, H2, float16_eq_quiet) @@ -4208,6 +4211,7 @@ void HELPER(NAME)(void *vd, void *v0, uint64_t s1, void *vs2, \ uint32_t vm = vext_vm(desc); \ uint32_t vl = env->vl; \ uint32_t vlmax = vext_max_elems(desc, sizeof(ETYPE), false); \ + uint32_t vta = vext_vta(desc); \ uint32_t i; \ \ for (i = 0; i < vl; i++) { \ @@ -4218,8 +4222,10 @@ void HELPER(NAME)(void *vd, void *v0, uint64_t s1, void *vs2, \ vext_set_elem_mask(vd, i, \ DO_OP(s2, (ETYPE)s1, &env->fp_status)); \ } \ - for (; i < vlmax; i++) { \ - vext_set_elem_mask(vd, i, 0); \ + if (vta == 1) { \ + for (; i < vlmax; i++) { \ + vext_set_elem_mask(vd, i, 1); \ + } \ } \ } -- 2.17.1