From patchwork Sat Feb 1 16:39:20 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Peter Maydell X-Patchwork-Id: 13956320 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 7C438C0218A for ; Sat, 1 Feb 2025 16:50:04 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1teGY0-000689-NE; Sat, 01 Feb 2025 11:40:44 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1teGXy-00066Y-Sj for qemu-devel@nongnu.org; Sat, 01 Feb 2025 11:40:43 -0500 Received: from mail-wm1-x32c.google.com ([2a00:1450:4864:20::32c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1teGXx-00017E-Fa for qemu-devel@nongnu.org; Sat, 01 Feb 2025 11:40:42 -0500 Received: by mail-wm1-x32c.google.com with SMTP id 5b1f17b1804b1-436326dcb1cso20686515e9.0 for ; Sat, 01 Feb 2025 08:40:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1738428039; x=1739032839; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=j+IEg0CkEoamQo7lN9mBa6LGDBjZtlXQ5vioOX8GKig=; b=BX+sf3YN2FCCkxVcVAf+qTTHZIVJeKHqvWVMixMArhLhrB+umGu86Jkn4QZ7x/VfRA dlpqzAr8PbeYRvE9CjI8aGYq9UcARJTUQtbf8QG2jYDN/wrZcSrRxbtv6NHqWg7wmPi9 ioqhdDe6F4HmnbO9PMv9A4c30nqR2RsNrSFYsnv+LnMg+pY59CeZy2s8CziN26IFyLXb KNAW4Ov3NfR3xhnpTzNQG2rXHL93Y+o3x7f9C8iNy7EpSJ+YwYO4SvEcpOZ/M6zgntrW /2HUTVWZ1lUohv4w1ERZV12gGNPzWgRaywxohOJIFfzA1+hdXT8dWBXvJbGsw96ETcbq /pAA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1738428039; x=1739032839; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=j+IEg0CkEoamQo7lN9mBa6LGDBjZtlXQ5vioOX8GKig=; b=UhaEfzediCO29E3+fXVjmwtAkm59JRbRM+j4P46Qz1ABi3qG9ehPRRUc2mjo9GI8u8 jVfci7MtseZg+O8kdtFGAo7fzTwN8IS/6mMD/X346ZHDZ9epvYBLy9rdxzV26BLmKyZq 5PhVXA9+tBlqkp7w9r0i+OXXqHeCpb5x49KjQvi4Ek6TVpFmEI7uFs/OImF9GpvumQy2 zOBmw++bB1e+vl97zci2P5BFeXguHjdTmOeD1agaaGBjYX4KUkiIKwBbY0Tq6uYbk8Av zZsHXWmlUQx1ZWvANoujtH+SxUcg2BcMecfyewBzB1alRudwvSD9dRDQlTPeWEDHlXVb 2EKw== X-Forwarded-Encrypted: i=1; AJvYcCVddvNZRc225+KEhvXbV+gM7KtKcyIlthDMfeD3qvnBfE2npamBqWD8KnjjBRWvXz7bnnjbTE27FNIu@nongnu.org X-Gm-Message-State: AOJu0YwQzM8SSeKV6s6PP1AjsNu65voBLAK5SVv60D7VtcAHJrQs+G3I tlA2oj2ij3zWJAtepHHY3lIei8GADSoC/KSyZ+TItiW/W5usAw0+Y/lUulnl+gg= X-Gm-Gg: ASbGncuPCC2nRdOm4fKEXxXvkfGEBEGGB3psrL40LJsJJip34t6gUFzXxnIvDXpsnZ2 IompSovGvEhNSXe5nMznCKdhEBUtFJLo9F1Xr4ctybqkge3+vs0kNuA4CoToCR6tnei6EXvaMha WDIK52vQLJ8sSJum5bt2M5aq4zYqTaw8DWHrpxzmzsfLI9ZZTsMprXqOAZ6xULznuVNCO7DUD8V 7enSPtw2yAwBB+Z51PNtwfjlDvrksOG2kQ1V7ZkR4fzY7RYBWNmqyQD7rajCDAs3D7R/HGSxxg3 1QNmFvAwzKTIdHvASaqM X-Google-Smtp-Source: AGHT+IGXDARwFsl9jpNIbeKqvYJA1zgsxYsmCtQhMRTN64Lg7gkTUML+6LS9pJJVgHobiU+7Yh1c5g== X-Received: by 2002:a7b:c3cd:0:b0:438:e231:d342 with SMTP id 5b1f17b1804b1-438e231d503mr78993105e9.1.1738428038991; Sat, 01 Feb 2025 08:40:38 -0800 (PST) Received: from orth.archaic.org.uk (orth.archaic.org.uk. [2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-438dcc81d74sm127401525e9.37.2025.02.01.08.40.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 01 Feb 2025 08:40:37 -0800 (PST) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v2 17/69] target/arm: Handle FPCR.NEP for 3-input scalar operations Date: Sat, 1 Feb 2025 16:39:20 +0000 Message-Id: <20250201164012.1660228-18-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250201164012.1660228-1-peter.maydell@linaro.org> References: <20250201164012.1660228-1-peter.maydell@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2a00:1450:4864:20::32c; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32c.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 autolearn=ham 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Handle FPCR.NEP for the 3-input scalar operations which use do_fmla_scalar_idx() and do_fmadd(), by making them call the appropriate write_fp_*reg_merging() functions. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson --- target/arm/tcg/translate-a64.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/target/arm/tcg/translate-a64.c b/target/arm/tcg/translate-a64.c index e45d96763fd..96696c342a9 100644 --- a/target/arm/tcg/translate-a64.c +++ b/target/arm/tcg/translate-a64.c @@ -6356,7 +6356,7 @@ static bool do_fmla_scalar_idx(DisasContext *s, arg_rrx_e *a, bool neg) gen_vfp_negd(t1, t1); } gen_helper_vfp_muladdd(t0, t1, t2, t0, fpstatus_ptr(FPST_A64)); - write_fp_dreg(s, a->rd, t0); + write_fp_dreg_merging(s, a->rd, a->rd, t0); } break; case MO_32: @@ -6370,7 +6370,7 @@ static bool do_fmla_scalar_idx(DisasContext *s, arg_rrx_e *a, bool neg) gen_vfp_negs(t1, t1); } gen_helper_vfp_muladds(t0, t1, t2, t0, fpstatus_ptr(FPST_A64)); - write_fp_sreg(s, a->rd, t0); + write_fp_sreg_merging(s, a->rd, a->rd, t0); } break; case MO_16: @@ -6388,7 +6388,7 @@ static bool do_fmla_scalar_idx(DisasContext *s, arg_rrx_e *a, bool neg) } gen_helper_advsimd_muladdh(t0, t1, t2, t0, fpstatus_ptr(FPST_A64_F16)); - write_fp_sreg(s, a->rd, t0); + write_fp_hreg_merging(s, a->rd, a->rd, t0); } break; default: @@ -6867,7 +6867,7 @@ static bool do_fmadd(DisasContext *s, arg_rrrr_e *a, bool neg_a, bool neg_n) } fpst = fpstatus_ptr(FPST_A64); gen_helper_vfp_muladdd(ta, tn, tm, ta, fpst); - write_fp_dreg(s, a->rd, ta); + write_fp_dreg_merging(s, a->rd, a->ra, ta); } break; @@ -6885,7 +6885,7 @@ static bool do_fmadd(DisasContext *s, arg_rrrr_e *a, bool neg_a, bool neg_n) } fpst = fpstatus_ptr(FPST_A64); gen_helper_vfp_muladds(ta, tn, tm, ta, fpst); - write_fp_sreg(s, a->rd, ta); + write_fp_sreg_merging(s, a->rd, a->ra, ta); } break; @@ -6906,7 +6906,7 @@ static bool do_fmadd(DisasContext *s, arg_rrrr_e *a, bool neg_a, bool neg_n) } fpst = fpstatus_ptr(FPST_A64_F16); gen_helper_advsimd_muladdh(ta, tn, tm, ta, fpst); - write_fp_sreg(s, a->rd, ta); + write_fp_hreg_merging(s, a->rd, a->ra, ta); } break;