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GET /api/patches/1475733/?format=api
{ "id": 1475733, "url": "http://patchwork.ozlabs.org/api/patches/1475733/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20210508014802.892561-28-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": "<20210508014802.892561-28-richard.henderson@linaro.org>", "list_archive_url": null, "date": "2021-05-08T01:47:17", "name": "[27/72] softfloat: Convert float128_default_nan to parts", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "7d096bb292d3fc73f5ba9ed4ddde9d33f313fa21", "submitter": { "id": 72104, "url": "http://patchwork.ozlabs.org/api/people/72104/?format=api", "name": "Richard Henderson", "email": "richard.henderson@linaro.org" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20210508014802.892561-28-richard.henderson@linaro.org/mbox/", "series": [ { "id": 242770, "url": "http://patchwork.ozlabs.org/api/series/242770/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=242770", "date": "2021-05-08T01:46:53", "name": "Convert floatx80 and float128 to FloatParts", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/242770/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1475733/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1475733/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@bilbo.ozlabs.org", "Authentication-Results": [ "ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20161025;\n h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to\n :references:mime-version:content-transfer-encoding;\n bh=SKdfu6xWiwzxhHlapjrQcnT6V4WXORdkaCXE3ng4KsU=;\n b=YhviwqpN+ICHYDuGpIUomUBaRR8odIM3ZbWusZ4Fc2mDaE+e544j0UV7hwRFB95K4c\n PeJbIjnkl+g+jaf/n94wxM3iBhUludmRPW6TI6piwY2uk++ztdhjq43614DceraGi5K3\n 3QTZw7U671dBNHB+9Zm/pKzJYZwRFkZBGrlahFFrVogMRlcblnBOI/kMHS5oF4FSVUbC\n p8smIuc91vNRBLpeM675B6R7Xt8AN5U9aVVyTfbeFN+nyU4JoElIlbGvD3erHz7Ra0Ku\n r5IvRNIt8FzMxHxXWCYHTDmtpScpAYWnGp7k6DlXzAm09UnD5IwENX201kdjL8wfIvWn\n KEHg==", "X-Gm-Message-State": "AOAM531mpBe86Wr6XPZOoW/NzQIdH/nCosqnbF+ph4h7RSvB2fOPOcty\n byw8W7lZIt4NxDA88fZNowOZVXoOkkHw8w==", "X-Google-Smtp-Source": "\n ABdhPJwxV9o1PFfntaZLqDHKSFTh0xXnLZ4wp17KYrL37zV0fnduUnL+FkGEli2soaAimO7KnO0ByQ==", "X-Received": "by 2002:a62:84d2:0:b029:27c:bbd5:6c0d with SMTP id\n k201-20020a6284d20000b029027cbbd56c0dmr13109766pfd.32.1620438501357;\n Fri, 07 May 2021 18:48:21 -0700 (PDT)", "From": "Richard Henderson <richard.henderson@linaro.org>", "To": "qemu-devel@nongnu.org", "Subject": "[PATCH 27/72] softfloat: Convert float128_default_nan to parts", "Date": "Fri, 7 May 2021 18:47:17 -0700", "Message-Id": "<20210508014802.892561-28-richard.henderson@linaro.org>", "X-Mailer": "git-send-email 2.25.1", "In-Reply-To": "<20210508014802.892561-1-richard.henderson@linaro.org>", "References": "<20210508014802.892561-1-richard.henderson@linaro.org>", "MIME-Version": "1.0", "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": "2.1.23", "Precedence": "list", "List-Id": "<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>", "Cc": "alex.bennee@linaro.org, david@redhat.com", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "\"Qemu-devel\"\n <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>" }, "content": "Signed-off-by: Richard Henderson <richard.henderson@linaro.org>\n---\n fpu/softfloat.c | 17 ++++-------------\n fpu/softfloat-specialize.c.inc | 19 +++++++++++++++++++\n 2 files changed, 23 insertions(+), 13 deletions(-)", "diff": "diff --git a/fpu/softfloat.c b/fpu/softfloat.c\nindex 073b80d502..6d5392aeab 100644\n--- a/fpu/softfloat.c\n+++ b/fpu/softfloat.c\n@@ -705,7 +705,7 @@ static float128 float128_pack_raw(const FloatParts128 *p)\n #define PARTS_GENERIC_64_128(NAME, P) \\\n QEMU_GENERIC(P, (FloatParts128 *, parts128_##NAME), parts64_##NAME)\n \n-#define parts_default_nan parts64_default_nan\n+#define parts_default_nan(P, S) PARTS_GENERIC_64_128(default_nan, P)(P, S)\n #define parts_silence_nan(P, S) PARTS_GENERIC_64_128(silence_nan, P)(P, S)\n \n \n@@ -3836,20 +3836,11 @@ float64 float64_default_nan(float_status *status)\n \n float128 float128_default_nan(float_status *status)\n {\n- FloatParts64 p;\n- float128 r;\n+ FloatParts128 p;\n \n parts_default_nan(&p, status);\n- /* Extrapolate from the choices made by parts_default_nan to fill\n- * in the quad-floating format. If the low bit is set, assume we\n- * want to set all non-snan bits.\n- */\n- r.low = -(p.frac & 1);\n- r.high = p.frac >> (DECOMPOSED_BINARY_POINT - 48);\n- r.high |= UINT64_C(0x7FFF000000000000);\n- r.high |= (uint64_t)p.sign << 63;\n-\n- return r;\n+ frac_shr(&p, float128_params.frac_shift);\n+ return float128_pack_raw(&p);\n }\n \n bfloat16 bfloat16_default_nan(float_status *status)\ndiff --git a/fpu/softfloat-specialize.c.inc b/fpu/softfloat-specialize.c.inc\nindex d892016f0f..a0cf016b4f 100644\n--- a/fpu/softfloat-specialize.c.inc\n+++ b/fpu/softfloat-specialize.c.inc\n@@ -172,6 +172,25 @@ static void parts64_default_nan(FloatParts64 *p, float_status *status)\n };\n }\n \n+static void parts128_default_nan(FloatParts128 *p, float_status *status)\n+{\n+ /*\n+ * Extrapolate from the choices made by parts64_default_nan to fill\n+ * in the quad-floating format. If the low bit is set, assume we\n+ * want to set all non-snan bits.\n+ */\n+ FloatParts64 p64;\n+ parts64_default_nan(&p64, status);\n+\n+ *p = (FloatParts128) {\n+ .cls = float_class_qnan,\n+ .sign = p64.sign,\n+ .exp = INT_MAX,\n+ .frac_hi = p64.frac,\n+ .frac_lo = -(p64.frac & 1)\n+ };\n+}\n+\n /*----------------------------------------------------------------------------\n | Returns a quiet NaN from a signalling NaN for the deconstructed\n | floating-point parts.\n", "prefixes": [ "27/72" ] }