From patchwork Fri Jul 10 10:48:55 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Chang X-Patchwork-Id: 11656655 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id BE9EB92A for ; Fri, 10 Jul 2020 13:25:55 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 94F6B207BB for ; Fri, 10 Jul 2020 13:25:55 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=sifive.com header.i=@sifive.com header.b="lcmXFF2l" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 94F6B207BB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=sifive.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:56218 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jtt2I-0006DA-P0 for patchwork-qemu-devel@patchwork.kernel.org; Fri, 10 Jul 2020 09:25:54 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38306) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jtqek-0005nu-7U for qemu-devel@nongnu.org; Fri, 10 Jul 2020 06:53:26 -0400 Received: from mail-pf1-x442.google.com ([2607:f8b0:4864:20::442]:46822) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1jtqee-0006qy-HZ for qemu-devel@nongnu.org; Fri, 10 Jul 2020 06:53:25 -0400 Received: by mail-pf1-x442.google.com with SMTP id i14so2371109pfu.13 for ; Fri, 10 Jul 2020 03:53:20 -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=qtfSsgTIZrjwffHcxDIfNLMAZ/v2FNjlWUaB1SIQIAQ=; b=lcmXFF2l9OB4vw6TGnt6M2SHwmgejCldimLE0yej4V6eiMI8PCfwfVO7wYJaGjLOJP +fy3b+Mi/tU3XD0SUTffPzE8vJDO4DKPkEbCa6CGYvH/GXJvjZ6731wnaaEGgrjMreYP czkbXwyn9c1PfE9u+Jfhv/IYcXCh0dmomq8l8VNDJGjJE0SPQjbZYadYhIjTSQZEV7EZ m19/uqaneym/SNDAWAzRxeEALb063rV8MkEMVMKi8t7yFq9cChRm/Pymkt4M/WYOIYye oAJvLd/pf2Mnf31bZLbpTd+Rb77OWRqylig/qrVUK/w0ulrqt7a0SPyU/73q5K0Fh2DN dl4w== 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=qtfSsgTIZrjwffHcxDIfNLMAZ/v2FNjlWUaB1SIQIAQ=; b=iVw4ISmikIussdlyNN/QT3nuPnBnErxaRuEZyeEHAiqdsYfNDytwbfse2k5LteYAK2 dbE3GjGMLxRX3K0+75TAwPytO0wCi50q3RhOJihW3/Tclrv22UHfM1aeJIdXwCGfIwo4 jqrpK4aO3e0j7E7YQgzGXaaHhQPBL6Y9NRHuqrxU4JQ0iZ6kMjGcGMM0PFpUU6FvVGUB gX1deI4VE93enY1YONSo2fzpvSamEDRfpiCkM2a3gJFdN0J4ieeskT8cE0txLwHvLtkd EJbKvWd/fGo68qiJP1Jm4jf9L+Vo0p4YsBQe4J30A9B3Euy14V32DEmqTB2Wk7UgCHa3 Gs7Q== X-Gm-Message-State: AOAM533SKhj3cKiNoeIQMgG663mjgLkaaySPNkH/Pj4mf4PvXSx7io1n 0WRYTicvIfDZ5SlsaciXZFP4chFug58CWg== X-Google-Smtp-Source: ABdhPJwqcdxYd0wy9jVRwaAnLJ/7YydEcDgzrktXAliYYfHmU1AP51FaoERgWOhjtIIXaTFjxs8QXw== X-Received: by 2002:a65:6703:: with SMTP id u3mr54465793pgf.254.1594378399039; Fri, 10 Jul 2020 03:53:19 -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 r191sm5519406pfr.181.2020.07.10.03.53.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 10 Jul 2020 03:53:18 -0700 (PDT) From: frank.chang@sifive.com To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [RFC 41/65] target/riscv: rvv-0.9: floating-point compare instructions Date: Fri, 10 Jul 2020 18:48:55 +0800 Message-Id: <20200710104920.13550-42-frank.chang@sifive.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200710104920.13550-1-frank.chang@sifive.com> References: <20200710104920.13550-1-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, URIBL_BLOCKED=0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Fri, 10 Jul 2020 08:57:18 -0400 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+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" From: Frank Chang 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 8d251dee58..11c962431e 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -4148,27 +4148,30 @@ 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, 0); \ + } \ + } \ } static bool float16_eq_quiet(uint16_t a, uint16_t b, float_status *s) @@ -4188,6 +4191,7 @@ 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++) { \ @@ -4198,8 +4202,10 @@ 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, 0); \ + } \ } \ }