Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/2217125/?format=api
{ "id": 2217125, "url": "http://patchwork.ozlabs.org/api/patches/2217125/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/patch/20260327170514.2748873-1-adhemerval.zanella@linaro.org/", "project": { "id": 41, "url": "http://patchwork.ozlabs.org/api/projects/41/?format=api", "name": "GNU C Library", "link_name": "glibc", "list_id": "libc-alpha.sourceware.org", "list_email": "libc-alpha@sourceware.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260327170514.2748873-1-adhemerval.zanella@linaro.org>", "list_archive_url": null, "date": "2026-03-27T17:05:14", "name": "[COMMITTED] math: Fix lgammaf regression on i686", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "5fc76940b3df18d5bfd65d1984a23e50e019e183", "submitter": { "id": 66065, "url": "http://patchwork.ozlabs.org/api/people/66065/?format=api", "name": "Adhemerval Zanella Netto", "email": "adhemerval.zanella@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/glibc/patch/20260327170514.2748873-1-adhemerval.zanella@linaro.org/mbox/", "series": [ { "id": 497801, "url": "http://patchwork.ozlabs.org/api/series/497801/?format=api", "web_url": "http://patchwork.ozlabs.org/project/glibc/list/?series=497801", "date": "2026-03-27T17:05:14", "name": "[COMMITTED] math: Fix lgammaf regression on i686", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/497801/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2217125/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2217125/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "libc-alpha@sourceware.org" ], "Delivered-To": [ "patchwork-incoming@legolas.ozlabs.org", "libc-alpha@sourceware.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=pdGLR25r;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=sourceware.org\n (client-ip=2620:52:6:3111::32; helo=vm01.sourceware.org;\n envelope-from=libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org;\n receiver=patchwork.ozlabs.org)", "sourceware.org;\n\tdkim=pass (2048-bit key,\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=pdGLR25r", "sourceware.org;\n dmarc=pass (p=none dis=none) header.from=linaro.org", "sourceware.org; spf=pass smtp.mailfrom=linaro.org", "server2.sourceware.org;\n arc=none smtp.remote-ip=2607:f8b0:4864:20::92b" ], "Received": [ "from vm01.sourceware.org (vm01.sourceware.org\n [IPv6:2620:52:6:3111::32])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fj6Vx6BMpz1xy1\n\tfor <incoming@patchwork.ozlabs.org>; Sat, 28 Mar 2026 04:06:33 +1100 (AEDT)", "from vm01.sourceware.org (localhost [127.0.0.1])\n\tby sourceware.org (Postfix) with ESMTP id 8A9844BA2E1A\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 27 Mar 2026 17:06:31 +0000 (GMT)", "from mail-ua1-x92b.google.com (mail-ua1-x92b.google.com\n [IPv6:2607:f8b0:4864:20::92b])\n by sourceware.org (Postfix) with ESMTPS id C96DB4BA2E1E\n for <libc-alpha@sourceware.org>; Fri, 27 Mar 2026 17:05:24 +0000 (GMT)", "by mail-ua1-x92b.google.com with SMTP id\n a1e0cc1a2514c-94a231b285dso1319971241.1\n for <libc-alpha@sourceware.org>; Fri, 27 Mar 2026 10:05:24 -0700 (PDT)", "from mandiga.. ([2804:1b3:a7c1:90ea:62b5:ca73:a5e8:4825])\n by smtp.gmail.com with ESMTPSA id\n ada2fe7eead31-605049d0502sm1535482137.9.2026.03.27.10.05.21\n for <libc-alpha@sourceware.org>\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Fri, 27 Mar 2026 10:05:22 -0700 (PDT)" ], "DKIM-Filter": [ "OpenDKIM Filter v2.11.0 sourceware.org 8A9844BA2E1A", "OpenDKIM Filter v2.11.0 sourceware.org C96DB4BA2E1E" ], "DMARC-Filter": "OpenDMARC Filter v1.4.2 sourceware.org C96DB4BA2E1E", "ARC-Filter": "OpenARC Filter v1.0.0 sourceware.org C96DB4BA2E1E", "ARC-Seal": "i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1774631124; cv=none;\n b=oulQDxgEfkcOR0aIa8A+ni7SyyMNX8dfjUBYLGmu5KqF5jtPKDt1MQSg40afFGOe8JJ8Sfr91mYEpi6ax+vgR6wbTDVYg/YY5+F7kRQiVNEf2cMUxnT+GuoMYoly8/7EQorMLSf5g5Rs36wzfewoXhRRN8NWrVrYEt05cwTeBec=", "ARC-Message-Signature": "i=1; a=rsa-sha256; d=sourceware.org; s=key;\n t=1774631124; c=relaxed/simple;\n bh=kvMChq5ICZA9hYFYI5ODTz47+J32zoq8Txr/Yh37evk=;\n h=DKIM-Signature:From:To:Subject:Date:Message-ID:MIME-Version;\n b=xSA2NEKNzPxtRfDqv8+5MHQOR2NIj6XaDmieA1rrgHRwrJfs7VsCDBXMPBEebxQnGg6BFBGWXWtJ3MLcs3B0udhLid1e8vaDx8+f7EQgFTxV8VgCFzWavL9E7qBWcfiKvJ2dVnWMfd7akPM7FiXEAFvirYGqc6alj0qqQumEQE8=", "ARC-Authentication-Results": "i=1; server2.sourceware.org", "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=linaro.org; s=google; t=1774631124; x=1775235924; darn=sourceware.org;\n h=content-transfer-encoding:mime-version:message-id:date:subject:to\n :from:from:to:cc:subject:date:message-id:reply-to;\n bh=cbc3d/y3hBnRcrSJLQ0ftDya1M3MoAz9HYNxeh/xAjY=;\n b=pdGLR25rcCMDrkB8GSqpjk4CpsqpKJJiOB3gx36HAN391qgoJc60lgUyFig1npPFse\n A3hxBz+nP/qZz9AMXdzkQPSpKhFTNTdMeVzD3lCFV3rV3sLosGN6UgjgfuPy43xHR8AT\n kwZv3h8Lv/kLXxGaX63tosJSXfCnLmf/ZkKuBGWTPKep8t3/9qB6w+fJ4fyJ35QW/MuB\n 495tPsJ88QEJsWZwA/O9MN18DFVaR2wS8G8HAIsexlZXj936ssbfCyxHytvoTh0kdksK\n ci4Xg0LV27RZ3RzuzGMyB7WttWm9QLAcdvfHPxuw569dlVvFh4sfC1juIrFmq7Eprn6J\n XKlg==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1774631124; x=1775235924;\n h=content-transfer-encoding:mime-version:message-id:date:subject:to\n :from:x-gm-gg:x-gm-message-state:from:to:cc:subject:date:message-id\n :reply-to;\n bh=cbc3d/y3hBnRcrSJLQ0ftDya1M3MoAz9HYNxeh/xAjY=;\n b=j/De2ENInEsZcSofFz2jVMKjEJ+WH7JcHsaD8fdEbokYW4ISIITQZSCXvW1uEM/ti+\n 9O/u6EjUAVTKbnEwSVNb3frL+PwFV2UCnmmHBH1jEzMJP9sPahBEq51t0ahx81gCfGzo\n AzLzLenWZkLFotR3u26ZQQ66FtPN2DF18BlXSy71C1iJoxcgTC1r8rbgCkjntaxf05fu\n EGNAcU9m0HrQmBUzhfl9lR4fri0OWX3QftM7Qj3aABGWyvmsazAIjiP4itc6TsbASAt3\n nzf9ry/h2eMrMEr1SUf1pE8SBH0v9v4UikM6D+SFx5sNV1f/G/9YQAwvoYPAuE7gPd0I\n ZKKA==", "X-Gm-Message-State": "AOJu0Ywhqqt8FH3F6nTBHTogpP25SkotMaYCsCU4CiwazWzl3eMfvLzO\n 9X5g524cqv6OJqVs4VFTNNZd4iVO8PdG5Zdz7sOuiQB38ndbYOp0NV6hFvCqsPzsGwtL4nxPCdz\n ZzurU", "X-Gm-Gg": "ATEYQzz6CE1Vkjn90woB+akuqhzlvXoeCPYD7n8EJXwbibbfk3XISKgydRkj0pamdyy\n +cHoqI2iv3SMFogRmP4UjqA84TrZktAxTw/l5CQSMxUrPMgaTd+OCdemsrHMHbyaqPz7AIPsZbT\n V2R1oPTsIaS4RaUpPJ8EkXwskmlEmSvFZHjIkL0e5vsQsDeIAHY6f2pJBOFT+RvWIlDcs4JXqKX\n dBIb0oiUwft3wF2TFVdlliwrOdkdOzcZxgc7CSvPyMck9aECMU0pLf+BxKECm0sW6EmeLqbJg/4\n LQ7RSjjTXkVPF+Qgws96evhM1K8g0VEmniWLwL7WXA7B0qunwA9CeXAgNOoCd3roOWgqT1hL2Fo\n KorHNqd5lpXFydHICSFsshGAGnAs9lviCEesOkwKbeoZRdPLZNTAzqHJKcUTMLFgK0GCN7fK/ZW\n wtHOuDAYE0BkfifqfZB+h89t4UAMRqPu+A1Zs=", "X-Received": "by 2002:a05:6102:5113:b0:601:f85b:efeb with SMTP id\n ada2fe7eead31-604f90a8b0amr1625608137.9.1774631123464;\n Fri, 27 Mar 2026 10:05:23 -0700 (PDT)", "From": "Adhemerval Zanella <adhemerval.zanella@linaro.org>", "To": "libc-alpha@sourceware.org", "Subject": "[COMMITTED] math: Fix lgammaf regression on i686", "Date": "Fri, 27 Mar 2026 14:05:14 -0300", "Message-ID": "<20260327170514.2748873-1-adhemerval.zanella@linaro.org>", "X-Mailer": "git-send-email 2.43.0", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-BeenThere": "libc-alpha@sourceware.org", "X-Mailman-Version": "2.1.30", "Precedence": "list", "List-Id": "Libc-alpha mailing list <libc-alpha.sourceware.org>", "List-Unsubscribe": "<https://sourceware.org/mailman/options/libc-alpha>,\n <mailto:libc-alpha-request@sourceware.org?subject=unsubscribe>", "List-Archive": "<https://sourceware.org/pipermail/libc-alpha/>", "List-Post": "<mailto:libc-alpha@sourceware.org>", "List-Help": "<mailto:libc-alpha-request@sourceware.org?subject=help>", "List-Subscribe": "<https://sourceware.org/mailman/listinfo/libc-alpha>,\n <mailto:libc-alpha-request@sourceware.org?subject=subscribe>", "Errors-To": "libc-alpha-bounces~incoming=patchwork.ozlabs.org@sourceware.org" }, "content": "The new test from 19781c2221 triggers a failure on i686:\n\n testing float (without inline functions)\n Failure: lgamma (0x3.12be38p+120): errno set to 0, expected 34 (ERANGE)\n Failure: lgamma_upward (0x3.12be38p+120): errno set to 0, expected 34 (ERANGE)\n\nUse math_narrow_eval on the multiplication to force the expected\nprecision.\n\nChecked on i686-linux-gnu.\n---\n sysdeps/ieee754/flt-32/e_lgammaf_r.c | 5 +++--\n 1 file changed, 3 insertions(+), 2 deletions(-)", "diff": "diff --git a/sysdeps/ieee754/flt-32/e_lgammaf_r.c b/sysdeps/ieee754/flt-32/e_lgammaf_r.c\nindex 899f64667b..15aec67158 100644\n--- a/sysdeps/ieee754/flt-32/e_lgammaf_r.c\n+++ b/sysdeps/ieee754/flt-32/e_lgammaf_r.c\n@@ -216,8 +216,9 @@ __lgammaf_r (float x, int *signgamp)\n \t\t and does not overflow for x = 0x1.895f1cp+121 and rounding\n \t\t towards zero */\n \t float r = fmaf (x, 0x1.4d3398p+6f, 0x1.10f35ep+103f);\n-\t if (x > 0x1.895f1cp+121f || (x == 0x1.895f1cp+121f &&\n-\t\t\t\t\t x * 5.0f >= 0x1.ebb6e4p+123))\n+\t if (x > 0x1.895f1cp+121f\n+\t\t || (x == 0x1.895f1cp+121f\n+\t\t && math_narrow_eval (x * 5.0f) >= 0x1.ebb6e4p+123))\n \t\treturn __math_oflowf (0);\n \t return r;\n \t }\n", "prefixes": [ "COMMITTED" ] }