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{ "id": 2230667, "url": "http://patchwork.ozlabs.org/api/covers/2230667/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260430000524.56046-1-richard.henderson@linaro.org/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/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": "<20260430000524.56046-1-richard.henderson@linaro.org>", "list_archive_url": null, "date": "2026-04-30T00:04:43", "name": "[v2,00/40] fpu: Export some internals for targets", "submitter": { "id": 72104, "url": "http://patchwork.ozlabs.org/api/people/72104/?format=api", "name": "Richard Henderson", "email": "richard.henderson@linaro.org" }, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/cover/20260430000524.56046-1-richard.henderson@linaro.org/mbox/", "series": [ { "id": 502170, "url": "http://patchwork.ozlabs.org/api/series/502170/?format=api", "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/covers/2230667/comments/", "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=A7Pqa9d2;\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 4g5ZGF39SFz1yHZ\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 30 Apr 2026 10:06:29 +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 1wIEuP-00064K-U6; Wed, 29 Apr 2026 20:05:37 -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 1wIEuK-00063K-Vg\n for qemu-devel@nongnu.org; Wed, 29 Apr 2026 20:05:34 -0400", "from mail-pf1-x42e.google.com ([2607:f8b0:4864:20::42e])\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 1wIEuJ-0001hC-7H\n for qemu-devel@nongnu.org; Wed, 29 Apr 2026 20:05:32 -0400", "by mail-pf1-x42e.google.com with SMTP id\n d2e1a72fcca58-83178c0f29cso245912b3a.0\n for <qemu-devel@nongnu.org>; Wed, 29 Apr 2026 17:05:30 -0700 (PDT)", "from stoup.. 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charset=UTF-8", "Content-Transfer-Encoding": "8bit", "Received-SPF": "pass client-ip=2607:f8b0:4864:20::42e;\n envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x42e.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": "Based-on: 20260429222445.26301-1-richard.henderson@linaro.org\n(\"[PULL 00/48] fpu patch queue\")\n\nChanges for v2:\n - Merge 48 patches\n - Applied r-b\n - Split partsN(muladd_scalbn) into partsN(muladd) + partsN(scalbn).\n - Improvements to partsN(muladd).\n - Export partsN(scalbn).\n - Introduce exp_scalbn.\n - Handle exp overflow during rounding.\n\n\nr~\n\n\nRichard Henderson (40):\n fpu: Inline float8_e4m3_pack_raw to single caller\n fpu: Inline float8_e5m2_pack_raw into single caller\n fpu: Inline float16_pack_raw into callers\n fpu: Inline bfloat16_pack_raw into callers\n fpu: Inline float32_pack_raw into callers\n fpu: Inline float64_pack_raw into callers\n fpu: Mark unpack_raw64 QEMU_ALWAYS_INLINE\n fpu: Mark pack_raw64 QEMU_ALWAYS_INLINE\n fpu: Split FloatParts{64,128} to softfloat-parts.h\n fpu: Export FloatFmt structures\n fpu: Export unpack_canonical and round_pack_canonical routines\n fpu: Return struct from parts{64,128}_default_nan\n fpu: Return struct from parts{64,128}_silence_nan\n fpu: Return struct from parts{64,128}_return_nan\n fpu: Sink exp_bias adjustment in float64r32_pack_raw\n fpu: Return struct from parts{64,128}_pick_nan\n fpu: Return struct from parts{64,128}_div\n fpu: Return struct from parts{64,128}_round_to_int\n fpu: Use parts64_round_to_int in parts_s390_divide_to_integer\n fpu: Export default_nan, pick_nan, return_nan routines\n fpu: Introduce parts64_round_to_fmt\n fpu: Return struct from parts{64,128}_pick_nan_muladd\n fpu: Introduce record_denormals_used\n fpu: Split scalbn from partsN(muladd_scalbn)\n fpu: Reorganize partsN(muladd)\n fpu: Return struct from parts{64,128}_muladd\n fpu: Drop QEMU_FLATTEN from muladd routines\n fpu: Export parts{64,128}_compare\n fpu: Return struct from parts{64,128}_mul\n fpu: Hoist nan check in partsN_addsub\n fpu: Return struct from parts{64,128}_addsub\n fpu: Simplify 0 +/- N case in parts_addsub\n target/s390x: Move float{32,64}_s390_divide_to_integer\n target/arm: Use FloatParts64 in bfdotadd_ebf\n target/arm: Drop oddstatus from is_ebf and bfdotadd_ebf\n target/arm: Use FloatParts64 in f16_dotadd\n fpu: Return struct from parts{64,128}_scalbn\n host-utils: Introduce signed saturation primitives\n fpu: Saturate the exponent in uncanon_normal\n fpu: Introduce exp_scalbn\n\n include/fpu/softfloat-parts.h | 229 +++++++++++\n include/fpu/softfloat.h | 11 -\n include/qemu/host-utils.h | 60 +++\n target/arm/tcg/vec_internal.h | 12 +-\n accel/tcg/tcg-runtime-gvec.c | 20 +-\n fpu/softfloat.c | 689 +++++++++++----------------------\n target/arm/tcg/sme_helper.c | 102 ++---\n target/arm/tcg/vec_helper.c | 127 +++---\n target/s390x/tcg/fpu_helper.c | 135 +++++++\n fpu/softfloat-parts.c.inc | 463 ++++++++++------------\n fpu/softfloat-specialize.c.inc | 42 +-\n 11 files changed, 1005 insertions(+), 885 deletions(-)\n create mode 100644 include/fpu/softfloat-parts.h" }