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[37.158.79.165]) by smtp.gmail.com with ESMTPSA id q84sm14044877wme.3.2021.11.19.08.05.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Nov 2021 08:05:15 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=seshvYp4LY8Qi6+H+Y57DABJXL6G/4sEs202cPZYVR0=; b=fh0JjhnTfiLH3pMIjt0Wa/nL6p+oDIDyxwIlOyC9OIJIRg/r9eJbnjG0X+aGu0kt2H E6HEbwGhpZnJuZ+wmshY1SYWMvTPnhEwsr+pYEIKVAkQu/EDaCNPer4nQoPtPDD21mxB 9hb+pMGpL+T5VARe9nDX4qu2w3ewArdvuW5YHyjxxYAoFBHuSU54QZEtDrI2rIAmOmmk mGC6gJeKzwBBqcv+PatOW3hF1i3Wme7oGHn2eCMBkCsppuDemKhO7uLh2dzIfm4Ccjzb XoABq34wqyOFs0zlQcSNVJoJ9xek3xv7K7VNmq3pKV+alpyYlV9J7mhQHacWEl6ScBOE /mjA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=seshvYp4LY8Qi6+H+Y57DABJXL6G/4sEs202cPZYVR0=; b=jv2kuQ0O7Hl5JlByJ7Vx4jcjunebHLQEXtNuNjZB83NLXfG5lbSsLaQ3SwTfPlMPz6 8vhk8jwoI9jfOAoFqt4ONK6we6zc0qnnxf0HkPyamNMVZCydn8Aw1dvH8LcfBu6gxDBn 4HRttWO+kIPVDlmzfJLdg6JbJlAHhahklt7ZAkpPjR/tBCEnXH56olA25298udKV/MJ5 un7Cd386MJxdnP/i6L+f5p6QnwzL6JTrNakbNM3tqoHj0307OF+npRmLoe1L+gA7wcLW tTXGX3q4yalLcQKLvyVq0E3dzneAld5wilUoVob7c1Pm/cHd8w6Ch2KOpgM9X3ohYFXX Dxew== X-Gm-Message-State: AOAM533E/Ea6XSXzujy9Y7cexsFMCp5MpbXMdHZpUJJQ3usbvuqWLzJ0 0ERiwvmG4ce0clhmNnfADWZfbqey7q85JERMbDY= X-Google-Smtp-Source: ABdhPJyue1XdE6230Lb/e5n6DFfMcUHlWvmaK+LTrqMw/j7ia1dQJFbfPT51prXQkUYEgnYKGYNVMg== X-Received: by 2002:a05:6000:1688:: with SMTP id y8mr8835297wrd.420.1637337915897; Fri, 19 Nov 2021 08:05:15 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 04/35] softfloat: Add flags specific to Inf / Inf and 0 / 0 Date: Fri, 19 Nov 2021 17:04:31 +0100 Message-Id: <20211119160502.17432-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211119160502.17432-1-richard.henderson@linaro.org> References: <20211119160502.17432-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Host-Lookup-Failed: Reverse DNS lookup failed for 2a00:1450:4864:20::42c (failed) 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::42c; envelope-from=richard.henderson@linaro.org; helo=mail-wr1-x42c.google.com X-Spam_score_int: -12 X-Spam_score: -1.3 X-Spam_bar: - X-Spam_report: (-1.3 / 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, PDS_HP_HELO_NORDNS=0.001, RCVD_IN_DNSWL_NONE=-0.0001, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: , Cc: qemu-ppc@nongnu.org, danielhb413@gmail.com, alex.bennee@linaro.org, clg@kaod.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1637338281178100001 Content-Type: text/plain; charset="utf-8" PowerPC has these flags, and it's easier to compute them here than after the fact. Signed-off-by: Richard Henderson --- include/fpu/softfloat-types.h | 2 ++ fpu/softfloat-parts.c.inc | 16 +++++++++++----- 2 files changed, 13 insertions(+), 5 deletions(-) diff --git a/include/fpu/softfloat-types.h b/include/fpu/softfloat-types.h index 56b4cf7835..5a9671e564 100644 --- a/include/fpu/softfloat-types.h +++ b/include/fpu/softfloat-types.h @@ -154,6 +154,8 @@ enum { float_flag_output_denormal =3D 0x0040, float_flag_invalid_isi =3D 0x0080, /* inf - inf */ float_flag_invalid_imz =3D 0x0100, /* inf * 0 */ + float_flag_invalid_idi =3D 0x0200, /* inf / inf */ + float_flag_invalid_zdz =3D 0x0400, /* 0 / 0 */ }; =20 /* diff --git a/fpu/softfloat-parts.c.inc b/fpu/softfloat-parts.c.inc index 3ed793347b..b8563cd2df 100644 --- a/fpu/softfloat-parts.c.inc +++ b/fpu/softfloat-parts.c.inc @@ -590,11 +590,13 @@ static FloatPartsN *partsN(div)(FloatPartsN *a, Float= PartsN *b, } =20 /* 0/0 or Inf/Inf =3D> NaN */ - if (unlikely(ab_mask =3D=3D float_cmask_zero) || - unlikely(ab_mask =3D=3D float_cmask_inf)) { - float_raise(float_flag_invalid, s); - parts_default_nan(a, s); - return a; + if (unlikely(ab_mask =3D=3D float_cmask_zero)) { + float_raise(float_flag_invalid | float_flag_invalid_zdz, s); + goto d_nan; + } + if (unlikely(ab_mask =3D=3D float_cmask_inf)) { + float_raise(float_flag_invalid | float_flag_invalid_idi, s); + goto d_nan; } =20 /* All the NaN cases */ @@ -625,6 +627,10 @@ static FloatPartsN *partsN(div)(FloatPartsN *a, FloatP= artsN *b, float_raise(float_flag_divbyzero, s); a->cls =3D float_class_inf; return a; + + d_nan: + parts_default_nan(a, s); + return a; } =20 /* --=20 2.25.1