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([180.233.125.15]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2b5faa34ea7sm280544085ad.34.2026.04.26.06.45.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 26 Apr 2026 06:45:19 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1777211121; x=1777815921; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=91KpAxRphFoJ92UJqSPx0ipa0G5SKbiIfR6fXaE6u/Y=; b=GIgoqIAFC5RQvJVZGTSojn3Mxf8pRlEp/HIbyyRIVyep86SCPC4MTzv+jcInzeLVNN imGBsoOR4RLk34vEIl+g85smnIHYlfDBji9vEZpVc18ePr5j3FrqG8nzaRcbvhOxfVrD hhDP2xDyTADr+F7J9lh7s0kFowgVZJvTE3i7j8HNp6ix9edN5ULe9ibvOYkvBcSJCMF2 v1xLIFyKpYMGxs8u3GSde+KvwdCYKZmoqVpl5egNOZ2AJIAuQzEQz9LXkQk9pMxNHXgp ndDt1P+0+3m7zRautQKZAjF1fYX3BxoboxP8G0N5oH1NBMCuvx2hCT/cjQ2+pm0Tk6pK L30g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1777211121; x=1777815921; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=91KpAxRphFoJ92UJqSPx0ipa0G5SKbiIfR6fXaE6u/Y=; b=eXZ+PmOSkSbOqtjgmeGvvNXE5dG76+ecqD6ra15aYu2UsjSxz+ETaoZky/rEFNXj6O Vww9vbpybPQrZ68qpjQ+kTg/fwm+LKe0ajLUciGK3opnEEdDIWblxJcY02DVlxxNXUYv lXRDRM21yOXoCkFldvVCqUE63XMLd8S/n9v+jMXnwj9CotRjAQfyP5ZXNYFx7bnPk6rm K29aCBWgP11j2ETF3ZAfOuMEikKDfdg3Uw6OIAguV0BE6ags91Kf0m4Q8sb8/U/B9Zmb LUn6cCtIing7+NQCYYJitQB2OZEZlCdhIDyaJgziykiGkFL/0hmUagMlDCqWWCr3s3pY aqGw== X-Gm-Message-State: AOJu0YwHkaJMZtpS7xtlPx0nacDMaOZm+Un/NG6q4acTX/IgJkaeUUkK bBDKFHdVKLKJW42FrFnFnGSvBY4Xn8doTUDAc8/tVwcWgv88zAlXyBTY7w/s6O4PXI1oDcH5Ml+ FtmEvRUM= X-Gm-Gg: AeBDiesoi/LAolBA5pqzhuefk8yy/RY6hYIT33+TrYBL+CcX1x2lmLhiTN+qk5RLNJr 6VtZlFgalW++qJ4iy6Xw0mahwbC6i1S4hLaRLvs1RmK43MpI79ySnaLod0K5NdYrL0csZpSDS9u whn6JSIumf/Isv6Ieyf4R7XM/7mQsOVu2jzE8LqqQAUH57exlzWAbQJarpigFfYJGsoiYSf1Xwl ToH9eN4mK5xLxM+vUZtjpSd/jyTex9QB8lnWg+tyy+7/XsUMMVYwM3zKM/eA0fx5h8HsGSR5v7W DyHd5SeGH+CDJtgw623v00lsX4wdrV8ZVahbS/9A0E4kFds8THNOoomUtlJSxAcDMY5pHLwUCp/ /PnU8SQTvnMB7vgciqWcgkDh0sSNkOoldhU3pyYj0LoVnGKz3D23zxa/eS82Cza/asRu1bhX5EX Qb3WjfduAD6krX7DYWFvL9Xv3u+xM5fvQpaF5YVz7d X-Received: by 2002:a17:90b:3e8b:b0:364:6558:99bd with SMTP id 98e67ed59e1d1-36465589ae7mr3859850a91.23.1777211120546; Sun, 26 Apr 2026 06:45:20 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, qemu-s390x@nongnu.org Subject: [PATCH 48/84] fpu: Change parts_float_to_float_widen to parts64_to_parts128 Date: Sun, 26 Apr 2026 23:39:25 +1000 Message-ID: <20260426134002.865628-49-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260426134002.865628-1-richard.henderson@linaro.org> References: <20260426134002.865628-1-richard.henderson@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=lists1p.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::102a; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102a.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: qemu development 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: 1777211305330158500 Content-Type: text/plain; charset="utf-8" Rename and return FloatParts128 structure. Use switch instead of 2 ifs. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- fpu/softfloat.c | 39 +++++++++++++++++++++------------------ 1 file changed, 21 insertions(+), 18 deletions(-) diff --git a/fpu/softfloat.c b/fpu/softfloat.c index 99f0036d0d..5d58caf5ea 100644 --- a/fpu/softfloat.c +++ b/fpu/softfloat.c @@ -2590,20 +2590,27 @@ static FloatParts64 parts128_to_parts64(FloatParts1= 28 *b, float_status *s) return r; } =20 -static void parts_float_to_float_widen(FloatParts128 *a, FloatParts64 *b, - float_status *s) +static FloatParts128 parts64_to_parts128(FloatParts64 *b, float_status *s) { - a->cls =3D b->cls; - a->sign =3D b->sign; - a->exp =3D b->exp; - frac64_widen(a, b); + FloatParts128 r =3D { + .cls =3D b->cls, + .sign =3D b->sign, + .exp =3D b->exp, + .frac_hi =3D b->frac, + }; =20 - if (is_nan(a->cls)) { - parts128_return_nan(a, s); - } - if (a->cls =3D=3D float_class_denormal) { + switch (r.cls) { + case float_class_qnan: + case float_class_snan: + parts128_return_nan(&r, s); + break; + case float_class_denormal: float_raise(float_flag_input_denormal_used, s); + break; + default: + break; } + return r; } =20 float8_e4m3 float4_e2m1_to_float8_e4m3(float4_e2m1 a, float_status *s) @@ -2791,18 +2798,16 @@ float64 float128_to_float64(float128 a, float_statu= s *s) float128 float32_to_float128(float32 a, float_status *s) { FloatParts64 p64 =3D float32_unpack_canonical(a, s); - FloatParts128 p128; + FloatParts128 p128 =3D parts64_to_parts128(&p64, s); =20 - parts_float_to_float_widen(&p128, &p64, s); return float128_round_pack_canonical(&p128, s); } =20 float128 float64_to_float128(float64 a, float_status *s) { FloatParts64 p64 =3D float64_unpack_canonical(a, s); - FloatParts128 p128; + FloatParts128 p128 =3D parts64_to_parts128(&p64, s); =20 - parts_float_to_float_widen(&p128, &p64, s); return float128_round_pack_canonical(&p128, s); } =20 @@ -2847,18 +2852,16 @@ float128 floatx80_to_float128(floatx80 a, float_sta= tus *s) floatx80 float32_to_floatx80(float32 a, float_status *s) { FloatParts64 p64 =3D float32_unpack_canonical(a, s); - FloatParts128 p128; + FloatParts128 p128 =3D parts64_to_parts128(&p64, s); =20 - parts_float_to_float_widen(&p128, &p64, s); return floatx80_round_pack_canonical(&p128, s); } =20 floatx80 float64_to_floatx80(float64 a, float_status *s) { FloatParts64 p64 =3D float64_unpack_canonical(a, s); - FloatParts128 p128; + FloatParts128 p128 =3D parts64_to_parts128(&p64, s); =20 - parts_float_to_float_widen(&p128, &p64, s); return floatx80_round_pack_canonical(&p128, s); } =20 --=20 2.43.0