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GET /api/1.1/patches/2228457/?format=api
{ "id": 2228457, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2228457/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260426134002.865628-41-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": "<20260426134002.865628-41-richard.henderson@linaro.org>", "date": "2026-04-26T13:39:17", "name": "[40/84] fpu: Return struct from bfloat16_unpack_canonical", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "989e0f5891dc3f3c13d5c7781b80c0cbf643e94c", "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/20260426134002.865628-41-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/2228457/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2228457/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=e6w9dCAC;\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 4g3Smg40Rlz1yHg\n\tfor <incoming@patchwork.ozlabs.org>; Sun, 26 Apr 2026 23:52:03 +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 1wGznI-0005FL-S6; Sun, 26 Apr 2026 09:45:08 -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 1wGznC-0005CD-Cf\n for qemu-devel@nongnu.org; Sun, 26 Apr 2026 09:45:02 -0400", "from mail-pl1-x636.google.com ([2607:f8b0:4864:20::636])\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 1wGzn8-000107-R5\n for qemu-devel@nongnu.org; Sun, 26 Apr 2026 09:45:02 -0400", "by mail-pl1-x636.google.com with SMTP id\n d9443c01a7336-2b2503753efso97400225ad.0\n for <qemu-devel@nongnu.org>; Sun, 26 Apr 2026 06:44:58 -0700 (PDT)", "from stoup.. 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"<20260426134002.865628-1-richard.henderson@linaro.org>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2607:f8b0:4864:20::636;\n envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x636.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=unavailable 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": "Signed-off-by: Richard Henderson <richard.henderson@linaro.org>\n---\n fpu/softfloat.c | 108 +++++++++++++++++-------------------------------\n 1 file changed, 37 insertions(+), 71 deletions(-)", "diff": "diff --git a/fpu/softfloat.c b/fpu/softfloat.c\nindex 566154a729..19cca8fb85 100644\n--- a/fpu/softfloat.c\n+++ b/fpu/softfloat.c\n@@ -1482,11 +1482,11 @@ static FloatParts64 float16_unpack_canonical(float16 f, float_status *s)\n return float16a_unpack_canonical(f, s, &float16_params);\n }\n \n-static void bfloat16_unpack_canonical(FloatParts64 *p, bfloat16 f,\n- float_status *s)\n+static FloatParts64 bfloat16_unpack_canonical(bfloat16 f, float_status *s)\n {\n- *p = unpack_raw64(&bfloat16_params, f);\n- parts64_canonicalize(p, s, &bfloat16_params);\n+ FloatParts64 p = unpack_raw64(&bfloat16_params, f);\n+ parts64_canonicalize(&p, s, &bfloat16_params);\n+ return p;\n }\n \n static float8_e4m3 float8_e4m3_round_pack_canonical(FloatParts64 *p,\n@@ -1873,11 +1873,9 @@ float64 float64r32_sub(float64 a, float64 b, float_status *status)\n static bfloat16 QEMU_FLATTEN\n bfloat16_addsub(bfloat16 a, bfloat16 b, float_status *status, bool subtract)\n {\n- FloatParts64 pa, pb, *pr;\n-\n- bfloat16_unpack_canonical(&pa, a, status);\n- bfloat16_unpack_canonical(&pb, b, status);\n- pr = parts64_addsub(&pa, &pb, status, subtract);\n+ FloatParts64 pa = bfloat16_unpack_canonical(a, status);\n+ FloatParts64 pb = bfloat16_unpack_canonical(b, status);\n+ FloatParts64 *pr = parts64_addsub(&pa, &pb, status, subtract);\n \n return bfloat16_round_pack_canonical(pr, status);\n }\n@@ -2013,11 +2011,9 @@ float64 float64r32_mul(float64 a, float64 b, float_status *status)\n bfloat16 QEMU_FLATTEN\n bfloat16_mul(bfloat16 a, bfloat16 b, float_status *status)\n {\n- FloatParts64 pa, pb, *pr;\n-\n- bfloat16_unpack_canonical(&pa, a, status);\n- bfloat16_unpack_canonical(&pb, b, status);\n- pr = parts64_mul(&pa, &pb, status);\n+ FloatParts64 pa = bfloat16_unpack_canonical(a, status);\n+ FloatParts64 pb = bfloat16_unpack_canonical(b, status);\n+ FloatParts64 *pr = parts64_mul(&pa, &pb, status);\n \n return bfloat16_round_pack_canonical(pr, status);\n }\n@@ -2276,12 +2272,10 @@ float64 float64r32_muladd(float64 a, float64 b, float64 c,\n bfloat16 QEMU_FLATTEN bfloat16_muladd(bfloat16 a, bfloat16 b, bfloat16 c,\n int flags, float_status *status)\n {\n- FloatParts64 pa, pb, pc, *pr;\n-\n- bfloat16_unpack_canonical(&pa, a, status);\n- bfloat16_unpack_canonical(&pb, b, status);\n- bfloat16_unpack_canonical(&pc, c, status);\n- pr = parts64_muladd_scalbn(&pa, &pb, &pc, 0, flags, status);\n+ FloatParts64 pa = bfloat16_unpack_canonical(a, status);\n+ FloatParts64 pb = bfloat16_unpack_canonical(b, status);\n+ FloatParts64 pc = bfloat16_unpack_canonical(c, status);\n+ FloatParts64 *pr = parts64_muladd_scalbn(&pa, &pb, &pc, 0, flags, status);\n \n /* Round before applying negate result. */\n parts64_uncanon(pr, status, &bfloat16_params, false);\n@@ -2418,11 +2412,9 @@ float64 float64r32_div(float64 a, float64 b, float_status *status)\n bfloat16 QEMU_FLATTEN\n bfloat16_div(bfloat16 a, bfloat16 b, float_status *status)\n {\n- FloatParts64 pa, pb, *pr;\n-\n- bfloat16_unpack_canonical(&pa, a, status);\n- bfloat16_unpack_canonical(&pb, b, status);\n- pr = parts64_div(&pa, &pb, status);\n+ FloatParts64 pa = bfloat16_unpack_canonical(a, status);\n+ FloatParts64 pb = bfloat16_unpack_canonical(b, status);\n+ FloatParts64 *pr = parts64_div(&pa, &pb, status);\n \n return bfloat16_round_pack_canonical(pr, status);\n }\n@@ -2791,36 +2783,32 @@ float32 float64_to_float32(float64 a, float_status *s)\n \n float8_e4m3 bfloat16_to_float8_e4m3(bfloat16 a, bool saturate, float_status *s)\n {\n- FloatParts64 p;\n+ FloatParts64 p = bfloat16_unpack_canonical(a, s);\n \n- bfloat16_unpack_canonical(&p, a, s);\n parts64_float_to_float(&p, s);\n return float8_e4m3_round_pack_canonical(&p, s, saturate);\n }\n \n float8_e5m2 bfloat16_to_float8_e5m2(bfloat16 a, bool saturate, float_status *s)\n {\n- FloatParts64 p;\n+ FloatParts64 p = bfloat16_unpack_canonical(a, s);\n \n- bfloat16_unpack_canonical(&p, a, s);\n parts_float_to_e5m2(&p, s, saturate);\n return float8_e5m2_round_pack_canonical(&p, s, saturate);\n }\n \n float32 bfloat16_to_float32(bfloat16 a, float_status *s)\n {\n- FloatParts64 p;\n+ FloatParts64 p = bfloat16_unpack_canonical(a, s);\n \n- bfloat16_unpack_canonical(&p, a, s);\n parts64_float_to_float(&p, s);\n return float32_round_pack_canonical(&p, s);\n }\n \n float64 bfloat16_to_float64(bfloat16 a, float_status *s)\n {\n- FloatParts64 p;\n+ FloatParts64 p = bfloat16_unpack_canonical(a, s);\n \n- bfloat16_unpack_canonical(&p, a, s);\n parts64_float_to_float(&p, s);\n return float64_round_pack_canonical(&p, s);\n }\n@@ -2982,9 +2970,8 @@ float64 float64_round_to_int(float64 a, float_status *s)\n \n bfloat16 bfloat16_round_to_int(bfloat16 a, float_status *s)\n {\n- FloatParts64 p;\n+ FloatParts64 p = bfloat16_unpack_canonical(a, s);\n \n- bfloat16_unpack_canonical(&p, a, s);\n parts64_round_to_int(&p, s->float_rounding_mode, 0, s, &bfloat16_params);\n return bfloat16_round_pack_canonical(&p, s);\n }\n@@ -3100,36 +3087,28 @@ int64_t float64_to_int64_scalbn(float64 a, FloatRoundMode rmode, int scale,\n int8_t bfloat16_to_int8_scalbn(bfloat16 a, FloatRoundMode rmode, int scale,\n float_status *s)\n {\n- FloatParts64 p;\n-\n- bfloat16_unpack_canonical(&p, a, s);\n+ FloatParts64 p = bfloat16_unpack_canonical(a, s);\n return parts64_float_to_sint(&p, rmode, scale, INT8_MIN, INT8_MAX, s);\n }\n \n int16_t bfloat16_to_int16_scalbn(bfloat16 a, FloatRoundMode rmode, int scale,\n float_status *s)\n {\n- FloatParts64 p;\n-\n- bfloat16_unpack_canonical(&p, a, s);\n+ FloatParts64 p = bfloat16_unpack_canonical(a, s);\n return parts64_float_to_sint(&p, rmode, scale, INT16_MIN, INT16_MAX, s);\n }\n \n int32_t bfloat16_to_int32_scalbn(bfloat16 a, FloatRoundMode rmode, int scale,\n float_status *s)\n {\n- FloatParts64 p;\n-\n- bfloat16_unpack_canonical(&p, a, s);\n+ FloatParts64 p = bfloat16_unpack_canonical(a, s);\n return parts64_float_to_sint(&p, rmode, scale, INT32_MIN, INT32_MAX, s);\n }\n \n int64_t bfloat16_to_int64_scalbn(bfloat16 a, FloatRoundMode rmode, int scale,\n float_status *s)\n {\n- FloatParts64 p;\n-\n- bfloat16_unpack_canonical(&p, a, s);\n+ FloatParts64 p = bfloat16_unpack_canonical(a, s);\n return parts64_float_to_sint(&p, rmode, scale, INT64_MIN, INT64_MAX, s);\n }\n \n@@ -3590,36 +3569,28 @@ uint64_t float64_to_uint64_scalbn(float64 a, FloatRoundMode rmode, int scale,\n uint8_t bfloat16_to_uint8_scalbn(bfloat16 a, FloatRoundMode rmode,\n int scale, float_status *s)\n {\n- FloatParts64 p;\n-\n- bfloat16_unpack_canonical(&p, a, s);\n+ FloatParts64 p = bfloat16_unpack_canonical(a, s);\n return parts64_float_to_uint(&p, rmode, scale, UINT8_MAX, s);\n }\n \n uint16_t bfloat16_to_uint16_scalbn(bfloat16 a, FloatRoundMode rmode,\n int scale, float_status *s)\n {\n- FloatParts64 p;\n-\n- bfloat16_unpack_canonical(&p, a, s);\n+ FloatParts64 p = bfloat16_unpack_canonical(a, s);\n return parts64_float_to_uint(&p, rmode, scale, UINT16_MAX, s);\n }\n \n uint32_t bfloat16_to_uint32_scalbn(bfloat16 a, FloatRoundMode rmode,\n int scale, float_status *s)\n {\n- FloatParts64 p;\n-\n- bfloat16_unpack_canonical(&p, a, s);\n+ FloatParts64 p = bfloat16_unpack_canonical(a, s);\n return parts64_float_to_uint(&p, rmode, scale, UINT32_MAX, s);\n }\n \n uint64_t bfloat16_to_uint64_scalbn(bfloat16 a, FloatRoundMode rmode,\n int scale, float_status *s)\n {\n- FloatParts64 p;\n-\n- bfloat16_unpack_canonical(&p, a, s);\n+ FloatParts64 p = bfloat16_unpack_canonical(a, s);\n return parts64_float_to_uint(&p, rmode, scale, UINT64_MAX, s);\n }\n \n@@ -4296,11 +4267,9 @@ static float16 float16_minmax(float16 a, float16 b, float_status *s, int flags)\n static bfloat16 bfloat16_minmax(bfloat16 a, bfloat16 b,\n float_status *s, int flags)\n {\n- FloatParts64 pa, pb, *pr;\n-\n- bfloat16_unpack_canonical(&pa, a, s);\n- bfloat16_unpack_canonical(&pb, b, s);\n- pr = parts64_minmax(&pa, &pb, s, flags);\n+ FloatParts64 pa = bfloat16_unpack_canonical(a, s);\n+ FloatParts64 pb = bfloat16_unpack_canonical(b, s);\n+ FloatParts64 *pr = parts64_minmax(&pa, &pb, s, flags);\n \n return bfloat16_round_pack_canonical(pr, s);\n }\n@@ -4496,10 +4465,9 @@ FloatRelation float64_compare_quiet(float64 a, float64 b, float_status *s)\n static FloatRelation QEMU_FLATTEN\n bfloat16_do_compare(bfloat16 a, bfloat16 b, float_status *s, bool is_quiet)\n {\n- FloatParts64 pa, pb;\n+ FloatParts64 pa = bfloat16_unpack_canonical(a, s);\n+ FloatParts64 pb = bfloat16_unpack_canonical(b, s);\n \n- bfloat16_unpack_canonical(&pa, a, s);\n- bfloat16_unpack_canonical(&pb, b, s);\n return parts64_compare(&pa, &pb, s, is_quiet);\n }\n \n@@ -4587,9 +4555,8 @@ float64 float64_scalbn(float64 a, int n, float_status *status)\n \n bfloat16 bfloat16_scalbn(bfloat16 a, int n, float_status *status)\n {\n- FloatParts64 p;\n+ FloatParts64 p = bfloat16_unpack_canonical(a, status);\n \n- bfloat16_unpack_canonical(&p, a, status);\n parts64_scalbn(&p, n, status);\n return bfloat16_round_pack_canonical(&p, status);\n }\n@@ -4711,9 +4678,8 @@ float64 float64r32_sqrt(float64 a, float_status *status)\n \n bfloat16 QEMU_FLATTEN bfloat16_sqrt(bfloat16 a, float_status *status)\n {\n- FloatParts64 p;\n+ FloatParts64 p = bfloat16_unpack_canonical(a, status);\n \n- bfloat16_unpack_canonical(&p, a, status);\n parts64_sqrt(&p, status, &bfloat16_params);\n return bfloat16_round_pack_canonical(&p, status);\n }\n", "prefixes": [ "40/84" ] }