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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-434f4dfdcdfsm121460595e9.39.2024.12.11.08.20.29 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 11 Dec 2024 08:20:29 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1733934030; x=1734538830; 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=nW62S+pVfkUdfFUsUNvfDmxePuMcoH99NH/YmsJ1zQE=; b=IQmp//B1M5m/LLL3lLE+aYajRK5RbEOXcX3InXu+1zOO8gWGH+Dt/DwNSmaCR9XuJz HRMTp0FoshksG0Ctipo2U1c9L94SG6uTM8lQs5suDvE5T0gVdmQwluc+BFn9bbqiYJH9 izGkxFkyi0CtZ5PdhQitVY75pFmPOFYQiUbTle83p1CWmizBx0iRrLHhVSHHirJdKVB4 qmbNEiQaLyWR/WzGWLgdJx6xhqvDioTdHDGQWmifwmjf6vYj6c7LYygFmA05NRGr7h41 aOv+/PAln+vsnmqMr1kZiZdxC/Sc9O5QFLLTVF6KO0FPq04Sv6Fn6Wi9DpgCnPwK+dCu 92ZQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1733934030; x=1734538830; 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=nW62S+pVfkUdfFUsUNvfDmxePuMcoH99NH/YmsJ1zQE=; b=lGMo/eTxNUhNX+5n3IgDYLdi85OSa1P/s0gyeKuiETGHgU90ichOO24jM8v+SV5tZ+ hMYKLPZEa5axZA6UsJfNcOHC7Zxx8Tlgah6nONP+1ziybJPV3/Gmgs3m5LkuJK+wq0GB SyjOMYvlWa7Wp9d7qoOMec3YflgbR0nTY1tcmdoEtgZtL9IgdI6lJj+Brq7KcXM5y+rf es71QGGX9+Snuu37N+P+jGlhynKHvc02JUKGsX3+OHJHpwM8YHD2t5AKxCKRnXZOtIP7 LNzsH4xSYWUj1UMUK/+IS3XFbuUdRiAoj0oDZM0WGTTrv05nbOVNWH0vvcw5Wro/8iXD n6Sg== X-Gm-Message-State: AOJu0YwoXO/n+8fjKrSvIPxHTVq/U3Ih+PP5fdMNGUt0VMQk5cqY2zWi A1F7aNHzKiy4yHcNResYtaPFj+s+RiJRTcQSz3E88FZRQXdp4WUL7v+ySk5iCvLMWOw2DSaBrsh T X-Gm-Gg: ASbGncu5+t24Ik6aH+Ceamu6igr2pWKJvApfgviYYadrNKB7pKol7pGSeou+Uz6W7mN Gjezr2ZusngZ48U6//KzGDBzLATF0TXLkQqbXJCNM9WkxnY+4NNbbIH9k8U4DKMrXwyq35HMZAj XSY7NWWIiYDwPQiuFehbtvTGI+qO0QnkRRxCwfHR2ibLWZ6GNG8RTDSUK9xyeFvb8ul3rlbFFlM GNzbXixqbcCq8Ax0N9ncFn7dd0wTt8r533znXQxxc5fowcdKhjXjD7dbUI1 X-Google-Smtp-Source: AGHT+IGfYXP+8f2adh3PSnkie7B0YykCMdgzY/UnBerIBMyU6ix/iMdTEldDWAdLNJfyEW9+0wgpJQ== X-Received: by 2002:a05:6000:4911:b0:386:459e:e138 with SMTP id ffacd0b85a97d-387876af35emr182149f8f.36.1733934030235; Wed, 11 Dec 2024 08:20:30 -0800 (PST) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 19/72] softfloat: Pass have_snan to pickNaNMulAdd Date: Wed, 11 Dec 2024 16:19:11 +0000 Message-Id: <20241211162004.2795499-20-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241211162004.2795499-1-peter.maydell@linaro.org> References: <20241211162004.2795499-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2a00:1450:4864:20::433; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x433.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1733934380488116600 Content-Type: text/plain; charset="utf-8" The new implementation of pickNaNMulAdd() will find it convenient to know whether at least one of the three arguments to the muladd was a signaling NaN. We already calculate that in the caller, so pass it in as a new bool have_snan. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20241202131347.498124-15-peter.maydell@linaro.org --- fpu/softfloat-parts.c.inc | 5 +++-- fpu/softfloat-specialize.c.inc | 2 +- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/fpu/softfloat-parts.c.inc b/fpu/softfloat-parts.c.inc index aac1f9cd28c..655b7d9da51 100644 --- a/fpu/softfloat-parts.c.inc +++ b/fpu/softfloat-parts.c.inc @@ -67,8 +67,9 @@ static FloatPartsN *partsN(pick_nan_muladd)(FloatPartsN *= a, FloatPartsN *b, { int which; bool infzero =3D (ab_mask =3D=3D float_cmask_infzero); + bool have_snan =3D (abc_mask & float_cmask_snan); =20 - if (unlikely(abc_mask & float_cmask_snan)) { + if (unlikely(have_snan)) { float_raise(float_flag_invalid | float_flag_invalid_snan, s); } =20 @@ -80,7 +81,7 @@ static FloatPartsN *partsN(pick_nan_muladd)(FloatPartsN *= a, FloatPartsN *b, if (s->default_nan_mode) { which =3D 3; } else { - which =3D pickNaNMulAdd(a->cls, b->cls, c->cls, infzero, s); + which =3D pickNaNMulAdd(a->cls, b->cls, c->cls, infzero, have_snan= , s); } =20 if (which =3D=3D 3) { diff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc index 3e4ec938b25..a769c71f545 100644 --- a/fpu/softfloat-specialize.c.inc +++ b/fpu/softfloat-specialize.c.inc @@ -473,7 +473,7 @@ static int pickNaN(FloatClass a_cls, FloatClass b_cls, | Return values : 0 : a; 1 : b; 2 : c; 3 : default-NaN *-------------------------------------------------------------------------= ---*/ static int pickNaNMulAdd(FloatClass a_cls, FloatClass b_cls, FloatClass c_= cls, - bool infzero, float_status *status) + bool infzero, bool have_snan, float_status *statu= s) { /* * We guarantee not to require the target to tell us how to --=20 2.34.1