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GET /api/1.1/patches/2230741/?format=api
{ "id": 2230741, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2230741/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260430002046.59739-39-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": "<20260430002046.59739-39-richard.henderson@linaro.org>", "date": "2026-04-30T00:20:37", "name": "[v3,38/47] target/arm: Enable FEAT_FP8 for -cpu max", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "cf7f085f43e9a48a6807c87c1a92d2ddc3a3f304", "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/20260430002046.59739-39-richard.henderson@linaro.org/mbox/", "series": [ { "id": 502175, "url": "http://patchwork.ozlabs.org/api/1.1/series/502175/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=502175", "date": "2026-04-30T00:20:06", "name": "target/arm: Implement FEAT_FP8", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/502175/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2230741/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2230741/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=q3gALxdR;\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 4g5Zgt1ZyVz1yHv\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 30 Apr 2026 10:25:14 +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 1wIFB8-0000Rt-Iy; Wed, 29 Apr 2026 20:22:54 -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 1wIFAY-00081O-Mv\n for qemu-devel@nongnu.org; Wed, 29 Apr 2026 20:22:18 -0400", "from mail-pf1-x433.google.com ([2607:f8b0:4864:20::433])\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 1wIFAW-0006cg-I0\n for qemu-devel@nongnu.org; Wed, 29 Apr 2026 20:22:18 -0400", "by mail-pf1-x433.google.com with SMTP id\n d2e1a72fcca58-82d0b68837aso190961b3a.2\n for <qemu-devel@nongnu.org>; Wed, 29 Apr 2026 17:22:16 -0700 (PDT)", "from stoup.. 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helo=mail-pf1-x433.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 target/arm/tcg/cpu64.c | 6 ++++++\n docs/system/arm/emulation.rst | 1 +\n 2 files changed, 7 insertions(+)", "diff": "diff --git a/target/arm/tcg/cpu64.c b/target/arm/tcg/cpu64.c\nindex bc866c5a67..8d0c057902 100644\n--- a/target/arm/tcg/cpu64.c\n+++ b/target/arm/tcg/cpu64.c\n@@ -1391,6 +1391,12 @@ void aarch64_max_tcg_initfn(Object *obj)\n t = FIELD_DP64(t, ID_AA64SMFR0, FA64, 1); /* FEAT_SME_FA64 */\n SET_IDREG(isar, ID_AA64SMFR0, t);\n \n+ t = GET_IDREG(isar, ID_AA64FPFR0);\n+ t = FIELD_DP64(t, ID_AA64FPFR0, F8E5M2, 1); /* FEAT_FP8 */\n+ t = FIELD_DP64(t, ID_AA64FPFR0, F8E4M3, 1); /* FEAT_FP8 */\n+ t = FIELD_DP64(t, ID_AA64FPFR0, F8CVT, 1); /* FEAT_FP8 */\n+ SET_IDREG(isar, ID_AA64FPFR0, t);\n+\n /* Replicate the same data to the 32-bit id registers. */\n aa32_max_features(cpu);\n \ndiff --git a/docs/system/arm/emulation.rst b/docs/system/arm/emulation.rst\nindex cf8771d541..b6f0ca9351 100644\n--- a/docs/system/arm/emulation.rst\n+++ b/docs/system/arm/emulation.rst\n@@ -74,6 +74,7 @@ the following architecture extensions:\n - FEAT_FHM (Floating-point half-precision multiplication instructions)\n - FEAT_FP (Floating Point extensions)\n - FEAT_FP16 (Half-precision floating-point data processing)\n+- FEAT_FP8 (FP8 convert instructions)\n - FEAT_FPAC (Faulting on AUT* instructions)\n - FEAT_FPACCOMBINE (Faulting on combined pointer authentication instructions)\n - FEAT_FPACC_SPEC (Speculative behavior of combined pointer authentication instructions)\n", "prefixes": [ "v3", "38/47" ] }