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([71.212.142.33]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2c24edbb49bsm60900875ad.38.2026.06.08.12.01.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 08 Jun 2026 12:01:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1780945318; x=1781550118; 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=RR3f6n7QOv11gidVm90QTUAQNyftyjjJwksqYB2mkq4=; b=jb1Dgo7M1TC2s61FUL7Uq72M6oHEWhH5cBUygwKtfYsDjHFY0BFav/FuDRFcVPPZeG UKyv+dyBkIgGU/vpSrBFaCDrePF9UNV2A3Q9SKY+DzHjEZzb/90FXPnSzBREXq2p/sm5 Ox1NJDIPy6FHvuvzeodbsUaSEx6EO2Xa32qsGp4axqWPFfEgSqsgq3uSYpz33T9zSmvU VWnRyI9AlVkdbJgc1VG2Qe0viFdc/04Id46eS7QsuBQP9XjNsmBg4Yb9uLEPUpJiZ/Pl zdXZZklWaY00nbdw0LSunBy/B9486UsGl9K0LizfhloRTuRfY0UADBc6zU1PndMyCtxY L1zw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780945318; x=1781550118; 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=RR3f6n7QOv11gidVm90QTUAQNyftyjjJwksqYB2mkq4=; b=KUGyJB6lk91bmiGkBm3MFucgW8Fi01BCh3m1hG4P34SZ2zgo7ztfElp+D3Oc/JVpMr eF6R2c/fG84kiYYDuUpBmokn5klxXHjUWNllanyi2J3EpqlBFbuf4dvUwBfLcCbc5/oi qKOGNJb1wXfRoSUeTz9s5lLOc1YQ7jdOll1nayPxB17+hsFfk34NW/SawHiRNBlVZORT WE2IYCn1xtYc2kh7c3n8jB2ruHp3CKQc6iACR8a3VWaM8Fl+ox04kqwlUWtqso8449o9 I/u6KPYf1aMVW0jjryZYoioX2/mFTH7QKstjMedWQXZbipHLkXRJULpdJMqghgXKq1Bb YuKg== X-Gm-Message-State: AOJu0YxvJAS+3hPQ6TFX183iCi2xNWFCqTjeUUUjmyN28Sy6MibO+EWi nU8HKUwKW5Blox6mbmO4jZdpXLjnnCfJuj7H0pVNaOhL0eZVhwHJhhsXCsqgGCqyRuoOUq96kST o7+vKBrc= X-Gm-Gg: Acq92OEczy5VMyXm+t4Yq0rUU6THSergnqyNsu/AzfpL1NPi/5IWtv8BDP4Em0auvtV hJ8cighXIvfDydzgqSZrBsTLfCnJtyLOm77gmAqvm8zEg1w/yuaJcCGkYgeE1k9E3EAjO8DQZk7 q9XxZlSi6ToeUmXy406+nzF1uQOHXXNUWdGEfwoQeL05CrsvBbpHUIoUyy0xlqCguGWwEuFjc+r 8p9EF6r7rwvSG4jL/ryRjYZZ43r1ON/MRnndVwHtNm5mgGyNA7JRxqcB/c0Ya+hqPOS5VxTQsxW Z+jiXk7Dfh0UbXYy6Bhu4iHi0n4HyfyZOGZ6jwfrw6yLgoFOjC6JLVvAbI4VG1lTqOmBVrJVKhO 6bSlq06h2WtnLGBnNT5jhz4NpEk8pLlJHSmU0TUvGko9lnrltqOeAbe1X6wpbNZqOnBk+isIsFZ ZAZR6SNS5JelTjfT29O9AhVfTfKpjdIXbPU27OsN4= X-Received: by 2002:a17:903:2a84:b0:2c0:c389:d99c with SMTP id d9443c01a7336-2c1e8332a7cmr185718865ad.15.1780945317848; Mon, 08 Jun 2026 12:01:57 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: Peter Maydell Subject: [PATCH 1/2] fpu: Handle all rounding modes in partsN_uncanon_normal Date: Mon, 8 Jun 2026 12:01:54 -0700 Message-ID: <20260608190155.637067-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260608190155.637067-1-richard.henderson@linaro.org> References: <20260608190155.637067-1-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::630; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x630.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: 1780945378795158500 Content-Type: text/plain; charset="utf-8" Missed float_round_nearest_even_max when recomputing round. Reported-by: Peter Maydell Signed-off-by: Richard Henderson --- fpu/softfloat-parts.c.inc | 1 + 1 file changed, 1 insertion(+) diff --git a/fpu/softfloat-parts.c.inc b/fpu/softfloat-parts.c.inc index a154faf32b..c86fc9ccc5 100644 --- a/fpu/softfloat-parts.c.inc +++ b/fpu/softfloat-parts.c.inc @@ -437,6 +437,7 @@ static void partsN(uncanon_normal)(FloatPartsN *p, floa= t_status *s, /* Need to recompute round-to-even/round-to-odd. */ switch (get_float_rounding_mode(s)) { case float_round_nearest_even: + case float_round_nearest_even_max: if (N > 64 && frac_lsb =3D=3D 0) { inc =3D ((p->frac_hi & 1) || (p->frac_lo & round_mask) !=3D frac_lsbm1 --=20 2.43.0 From nobody Tue Jun 9 01:46:48 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1780945356; cv=none; d=zohomail.com; s=zohoarc; b=Ya7l/XEuyhQXsfxMBcYKjmF4SnytymgkJn+PBowdTR0GzgZ8aVnwAjWYLd7N7PvZCbh+5ydUs4hmQdklAk0GeTSYKwmFrpr4pojbTP6vduOo7cQOLeov4o6cdPJq0o2aiWe7jUkKpQbww8k9k9YANitkOttxtAUlDwSExa7NjUI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1780945356; h=Content-Transfer-Encoding:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To:Cc; bh=JnkKp8lNNdjWP1yeW9fTNHFX59ngT8FyvaClJL1DmMw=; b=AmdnCMXTPqRhE5XPznvY48E1/lzvx+S5z2xFBn2py2IfVjtajB2tqAcTRfumLC6Kuo+rTIin0Tt7QE3q35xbH6Dd0vfuolrDE5KZMRrpwLthp7HOmc1vjWnZ6ODJuSut+vWKeMk6qk+0lYiJP1Qc1k7Ikse7bQ8r6SAumFgjc64= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1780945355995114.90431845687806; Mon, 8 Jun 2026 12:02:35 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wWfEs-0004mA-0X; Mon, 08 Jun 2026 15:02:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wWfEY-0004PB-LF for qemu-devel@nongnu.org; Mon, 08 Jun 2026 15:02:03 -0400 Received: from mail-pl1-x631.google.com ([2607:f8b0:4864:20::631]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1wWfEW-00073Q-7k for qemu-devel@nongnu.org; Mon, 08 Jun 2026 15:02:02 -0400 Received: by mail-pl1-x631.google.com with SMTP id d9443c01a7336-2bf36a6905cso32547865ad.3 for ; Mon, 08 Jun 2026 12:01:59 -0700 (PDT) Received: from stoup.. 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Signed-off-by: Richard Henderson --- fpu/softfloat-parts.c.inc | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/fpu/softfloat-parts.c.inc b/fpu/softfloat-parts.c.inc index c86fc9ccc5..deb712e092 100644 --- a/fpu/softfloat-parts.c.inc +++ b/fpu/softfloat-parts.c.inc @@ -1127,6 +1127,7 @@ static bool partsN(round_to_int_normal)(FloatPartsN *= a, FloatRoundMode rmode, /* All fractional */ switch (rmode) { case float_round_nearest_even: + case float_round_nearest_even_max: one =3D false; if (a->exp =3D=3D -1) { FloatPartsN tmp; @@ -1149,6 +1150,7 @@ static bool partsN(round_to_int_normal)(FloatPartsN *= a, FloatRoundMode rmode, one =3D a->sign; break; case float_round_to_odd: + case float_round_to_odd_inf: one =3D true; break; default: @@ -1195,6 +1197,7 @@ static bool partsN(round_to_int_normal)(FloatPartsN *= a, FloatRoundMode rmode, =20 switch (rmode) { case float_round_nearest_even: + case float_round_nearest_even_max: inc =3D ((a->frac_lo & rnd_even_mask) !=3D frac_lsbm1 ? frac_lsbm1= : 0); break; case float_round_ties_away: @@ -1210,6 +1213,7 @@ static bool partsN(round_to_int_normal)(FloatPartsN *= a, FloatRoundMode rmode, inc =3D a->sign ? rnd_mask : 0; break; case float_round_to_odd: + case float_round_to_odd_inf: inc =3D a->frac_lo & frac_lsb ? 0 : rnd_mask; break; default: --=20 2.43.0