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GET /api/1.1/patches/2228475/?format=api
{ "id": 2228475, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2228475/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260426134002.865628-81-richard.henderson@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.1/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": "" }, "msgid": "<20260426134002.865628-81-richard.henderson@linaro.org>", "date": "2026-04-26T13:39:57", "name": "[80/84] 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/1.1/people/72104/?format=api", "name": "Richard Henderson", "email": "richard.henderson@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260426134002.865628-81-richard.henderson@linaro.org/mbox/", "series": [ { "id": 501533, "url": "http://patchwork.ozlabs.org/api/1.1/series/501533/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501533", "date": "2026-04-26T13:38:37", "name": "fpu: Export some internals for targets", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501533/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2228475/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2228475/checks/", "tags": {}, "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=h/zp2Cf+;\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 4g3Stg0gLtz1xvV\n\tfor <incoming@patchwork.ozlabs.org>; Sun, 26 Apr 2026 23:57:15 +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 1wGzsQ-0007Rz-QT; Sun, 26 Apr 2026 09:50:30 -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 1wGzrw-0006zy-17\n for qemu-devel@nongnu.org; Sun, 26 Apr 2026 09:49:57 -0400", "from mail-pf1-x436.google.com ([2607:f8b0:4864:20::436])\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 1wGzrt-0002qx-8o\n for qemu-devel@nongnu.org; Sun, 26 Apr 2026 09:49:55 -0400", "by mail-pf1-x436.google.com with SMTP id\n d2e1a72fcca58-82f33d28c1dso4992586b3a.3\n for <qemu-devel@nongnu.org>; Sun, 26 Apr 2026 06:49:52 -0700 (PDT)", "from stoup.. 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helo=mail-pf1-x436.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 6d65b7bfe3..5854f0dc48 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": [ "80/84" ] }