{"id":2230682,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2230682/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260430000524.56046-38-richard.henderson@linaro.org/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.1/projects/14/?format=json","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":"<20260430000524.56046-38-richard.henderson@linaro.org>","date":"2026-04-30T00:05:20","name":"[v2,37/40] fpu: Return struct from parts{64,128}_scalbn","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"80b0a69087132584ba1a54792aa21a91c032a0e0","submitter":{"id":72104,"url":"http://patchwork.ozlabs.org/api/1.1/people/72104/?format=json","name":"Richard Henderson","email":"richard.henderson@linaro.org"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260430000524.56046-38-richard.henderson@linaro.org/mbox/","series":[{"id":502170,"url":"http://patchwork.ozlabs.org/api/1.1/series/502170/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502170","date":"2026-04-30T00:04:48","name":"fpu: Export some internals for targets","version":2,"mbox":"http://patchwork.ozlabs.org/series/502170/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2230682/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2230682/checks/","tags":{},"headers":{"Return-Path":"","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=v3OTeXFc;\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 4g5ZHq6M3fz1yHZ\n\tfor ; Thu, 30 Apr 2026 10:07:51 +1000 (AEST)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists1p.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from )\n\tid 1wIEwN-0001iJ-L4; Wed, 29 Apr 2026 20:07:39 -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 )\n id 1wIEvi-0008IW-SP\n for qemu-devel@nongnu.org; Wed, 29 Apr 2026 20:07:03 -0400","from mail-pf1-x429.google.com ([2607:f8b0:4864:20::429])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128)\n (Exim 4.90_1) (envelope-from )\n id 1wIEvg-00020E-VA\n for qemu-devel@nongnu.org; Wed, 29 Apr 2026 20:06:58 -0400","by mail-pf1-x429.google.com with SMTP id\n d2e1a72fcca58-82f943870baso166971b3a.1\n for ; Wed, 29 Apr 2026 17:06:54 -0700 (PDT)","from stoup.. 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helo=mail-pf1-x429.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 ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"At the same time, export.\n\nSigned-off-by: Richard Henderson \n---\n include/fpu/softfloat-parts.h | 3 +++\n fpu/softfloat-parts.c.inc | 14 ++++++++------\n 2 files changed, 11 insertions(+), 6 deletions(-)","diff":"diff --git a/include/fpu/softfloat-parts.h b/include/fpu/softfloat-parts.h\nindex a24678ea2b..7170cc7b6a 100644\n--- a/include/fpu/softfloat-parts.h\n+++ b/include/fpu/softfloat-parts.h\n@@ -223,4 +223,7 @@ FloatParts128 parts128_round_to_int(const FloatParts128 *a,\n FloatParts64 parts64_round_to_fmt(const FloatParts64 *p, float_status *s,\n const FloatFmt *fmt);\n \n+FloatParts64 parts64_scalbn(const FloatParts64 *a, int n, float_status *s);\n+FloatParts128 parts128_scalbn(const FloatParts128 *a, int n, float_status *s);\n+\n #endif\ndiff --git a/fpu/softfloat-parts.c.inc b/fpu/softfloat-parts.c.inc\nindex c380f30fae..6df98eb5fb 100644\n--- a/fpu/softfloat-parts.c.inc\n+++ b/fpu/softfloat-parts.c.inc\n@@ -1607,22 +1607,24 @@ FloatRelation partsN(compare)(const FloatPartsN *a, const FloatPartsN *b,\n /*\n * Multiply A by 2 raised to the power N.\n */\n-static void partsN(scalbn)(FloatPartsN *a, int n, float_status *s)\n+FloatPartsN partsN(scalbn)(const FloatPartsN *a, int n, float_status *s)\n {\n switch (a->cls) {\n case float_class_snan:\n case float_class_qnan:\n- *a = partsN(return_nan)(a, s);\n- break;\n+ return partsN(return_nan)(a, s);\n case float_class_zero:\n case float_class_inf:\n- break;\n+ return *a;\n case float_class_denormal:\n float_raise(float_flag_input_denormal_used, s);\n /* fall through */\n case float_class_normal:\n- a->exp += MIN(MAX(n, -0x10000), 0x10000);\n- break;\n+ {\n+ FloatPartsN r = *a;\n+ r.exp += MIN(MAX(n, -0x10000), 0x10000);\n+ return r;\n+ }\n default:\n g_assert_not_reached();\n }\n","prefixes":["v2","37/40"]}