Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/1.2/patches/2234416/?format=api
{ "id": 2234416, "url": "http://patchwork.ozlabs.org/api/1.2/patches/2234416/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260507160959.449170-5-richard.henderson@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.2/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260507160959.449170-5-richard.henderson@linaro.org>", "list_archive_url": null, "date": "2026-05-07T16:09:52", "name": "[v3,04/11] fpu: Simplify 0 +/- N case in parts_addsub", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "32ad37c27b046fd35fe203440d14cee854e92d17", "submitter": { "id": 72104, "url": "http://patchwork.ozlabs.org/api/1.2/people/72104/?format=api", "name": "Richard Henderson", "email": "richard.henderson@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260507160959.449170-5-richard.henderson@linaro.org/mbox/", "series": [ { "id": 503213, "url": "http://patchwork.ozlabs.org/api/1.2/series/503213/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=503213", "date": "2026-05-07T16:09:49", "name": "fpu: Export some internals for targets", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/503213/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2234416/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2234416/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.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=dv1gRtVB;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists1p.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)" ], "Received": [ "from lists1p.gnu.org (lists1p.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4gBHM00G1Yz1y04\n\tfor <incoming@patchwork.ozlabs.org>; Fri, 08 May 2026 02:11:56 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1wL1JK-0002VK-Sm; Thu, 07 May 2026 12:10:50 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <richard.henderson@linaro.org>)\n id 1wL1Ie-0001gQ-79\n for qemu-devel@nongnu.org; Thu, 07 May 2026 12:10:11 -0400", "from mail-ot1-x32b.google.com ([2607:f8b0:4864:20::32b])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from <richard.henderson@linaro.org>)\n id 1wL1Ic-00086S-I3\n for qemu-devel@nongnu.org; Thu, 07 May 2026 12:10:07 -0400", "by mail-ot1-x32b.google.com with SMTP id\n 46e09a7af769-7dbcb467f2bso925289a34.3\n for <qemu-devel@nongnu.org>; Thu, 07 May 2026 09:10:06 -0700 (PDT)", "from stoup.attlocal.net ([2600:381:c938:6375:9641:bbb2:a93a:bb4c])\n by smtp.gmail.com with ESMTPSA id\n 46e09a7af769-7e302462fb1sm16415a34.11.2026.05.07.09.10.04\n for <qemu-devel@nongnu.org>\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Thu, 07 May 2026 09:10:04 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=linaro.org; s=google; t=1778170205; x=1778775005; darn=nongnu.org;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:to:from:from:to:cc:subject:date:message-id\n :reply-to; bh=MQ1ojMgoomCJTz2WUmM2Kg1zoPKv7tCL+iMiboWdMVw=;\n b=dv1gRtVB5AJlxf/P6kORDFQYhYzuKuq3NSgeb6l9TenjKuKW4i5+HY492JMTLBMcHs\n 4TnZiFVPNILedOGqsdffBQY0SCdGp4GtJ48LcA+0BVfC89DmTdDY6oxS7wx9uR75gxzz\n tRZ6WxNsBFncgxqKQBy3IWYV3sYjy7ztcQndwI1pamGO7c5meUyviNAkyiJI+mMS4ss7\n iE6ZplpAXvz3iAZ0kgkcKYNMXwChI6Lob1ZHyGWw+p1HO6EdadGUlAnxcWuvGyq5X1Ex\n NMh9E7966u9FxIK0zW8mvy5MLpGl0E7wPUdbwQ28Dy/NnJOzOZf/KvDJU0/hJwla1mKx\n lVbA==", "X-Google-DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1778170205; x=1778775005;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:to:from:x-gm-gg:x-gm-message-state:from:to\n :cc:subject:date:message-id:reply-to;\n bh=MQ1ojMgoomCJTz2WUmM2Kg1zoPKv7tCL+iMiboWdMVw=;\n b=aPHPBFBXPxHBWDRxtZKeoHJSZJkV0v11ibSvaHcZ7iLMj9e/ZE9fqCJvassr9ZWKOD\n Fgj7DUf+0vupzrsekTRq+69Od4mrYiiKnq0AB3uzYYZaf4FWfOlH04hOYw++q43GXUg2\n ICJ/g8SFVFXR4BVUuUed11ToDNAoNml0Pp1jqWbgk/9BgNZa9jfhN226LaE/Tql66Flj\n 1zSJl4ULVBDeDPogf/CdLPclTmx8Qg/T/jEZhG8Jwc9e9m9m8EhBBAm0UjXn0/5WEr3Q\n +A8q6jP2PVItvWqZLDtmUa0B7dELVxNKygc6s3ks2zJTrp5mvdFxzeEK3urFSFrMbsSa\n exGw==", "X-Gm-Message-State": "AOJu0YyAVbcBwxv2+hbxPEXops0VOHybyB6I3LWKnaLdYfxv4kYHjV48\n OC/VMsB0t49W6NDGNMb9GjVFCX9DqEJzpT9PPzs79aSJzjT6XCluqiRW3dmCzNM3YiMWsUwlBPl\n edXKh", "X-Gm-Gg": "AeBDiesl2FvAC2oAN9cY2o6CXpuySmqo6TgQxm+78oIru27p6XOYQEPP786TGbHwFVR\n GxzmsBcYxnSwoNoFdV604UtyspyAWfsk/sxBFkdEct9eNOnUiRpUNGbn6P0N4F7Iabf9zKWFeyf\n ZXC7cKkjEvSq6tlPVodilV39ggpAQs47T9i/32L3ctfZSrsZeRKg2sISdNTc0INOZNrlBCyYv2Q\n gwdfxSbAWxsNiDxoXiEcth70vTjwSEEylvBSYjZ72z+DV9Zes3i2BuGAS3G+zOlhju3WSkD/rLl\n dcRGbAQxVfmsnxcMlPjjRPzpSt5iQB7HpxnRqCUOV1OLcul5BMtOww3AOtBshWv2zALpnSMa/iu\n dPNUVUu07UgjEGMFSZ1Ac+totOk3XFhsxHvQ//KS8mdugBXpQ/NFJzqDuIGzw5Ne7AUw7l8eWdr\n +6/dF/zu/VAWtdnPn2MMdryxVHCIl9jGyiIcKrUhIN2103fw==", "X-Received": "by 2002:a05:6830:378e:b0:7de:49c0:a752 with SMTP id\n 46e09a7af769-7e1df26c2d2mr5164347a34.27.1778170205228;\n Thu, 07 May 2026 09:10:05 -0700 (PDT)", "From": "Richard Henderson <richard.henderson@linaro.org>", "To": "qemu-devel@nongnu.org", "Subject": "[PATCH v3 04/11] fpu: Simplify 0 +/- N case in parts_addsub", "Date": "Thu, 7 May 2026 11:09:52 -0500", "Message-ID": "<20260507160959.449170-5-richard.henderson@linaro.org>", "X-Mailer": "git-send-email 2.43.0", "In-Reply-To": "<20260507160959.449170-1-richard.henderson@linaro.org>", "References": "<20260507160959.449170-1-richard.henderson@linaro.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2607:f8b0:4864:20::32b;\n envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x32b.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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n 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 <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "Consolidate the tests for zero and anynorm.\nAdd comments for a few cases.\n\nSigned-off-by: Richard Henderson <richard.henderson@linaro.org>\n---\n fpu/softfloat-parts.c.inc | 14 ++++++--------\n 1 file changed, 6 insertions(+), 8 deletions(-)", "diff": "diff --git a/fpu/softfloat-parts.c.inc b/fpu/softfloat-parts.c.inc\nindex 20cb739c75..6df98eb5fb 100644\n--- a/fpu/softfloat-parts.c.inc\n+++ b/fpu/softfloat-parts.c.inc\n@@ -556,6 +556,7 @@ FloatPartsN partsN(addsub)(const FloatPartsN *a_orig,\n }\n \n if (ab_mask == float_cmask_zero) {\n+ /* 0 - 0 */\n a.sign = s->float_rounding_mode == float_round_down;\n return a;\n }\n@@ -581,23 +582,20 @@ FloatPartsN partsN(addsub)(const FloatPartsN *a_orig,\n }\n \n if (ab_mask == float_cmask_zero) {\n+ /* 0 + 0 */\n return a;\n }\n \n if (ab_mask & float_cmask_inf) {\n+ /* N + Inf or Inf + N */\n a.cls = float_class_inf;\n return a;\n }\n }\n \n- if (b.cls == float_class_zero) {\n- g_assert(is_anynorm(a.cls));\n- return a;\n- }\n-\n- g_assert(a.cls == float_class_zero);\n- g_assert(is_anynorm(b.cls));\n- return b;\n+ /* 0 +/- N or N +/- 0 */\n+ assert((ab_mask & float_cmask_zero) && (ab_mask & float_cmask_anynorm));\n+ return b.cls == float_class_zero ? a : b;\n }\n \n /*\n", "prefixes": [ "v3", "04/11" ] }