Patch Detail
get:
Show a patch.
patch:
Update a patch.
put:
Update a patch.
GET /api/patches/1475778/?format=api
{ "id": 1475778, "url": "http://patchwork.ozlabs.org/api/patches/1475778/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20210508014802.892561-70-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": "<20210508014802.892561-70-richard.henderson@linaro.org>", "list_archive_url": null, "date": "2021-05-08T01:47:59", "name": "[69/72] softfloat: Convert floatx80 compare to FloatParts", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "53de1e0f49a914ab6bab8c5d6fb8d3ada4c816ff", "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/20210508014802.892561-70-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/1475778/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1475778/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; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=<UNKNOWN>)", "ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256\n header.s=google header.b=WeoYBPMz;\n\tdkim-atps=neutral" ], "Received": [ "from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 4FcWrd14V9z9sTD\n\tfor <incoming@patchwork.ozlabs.org>; Sat, 8 May 2021 12:45:20 +1000 (AEST)", "from localhost ([::1]:32878 helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>)\n\tid 1lfCxy-0001Vf-Tp\n\tfor incoming@patchwork.ozlabs.org; Fri, 07 May 2021 22:45:18 -0400", "from eggs.gnu.org ([2001:470:142:3::10]:41858)\n by lists.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 1lfC8U-0003Z8-Ep\n for qemu-devel@nongnu.org; Fri, 07 May 2021 21:52:06 -0400", "from mail-pj1-x102b.google.com ([2607:f8b0:4864:20::102b]:42839)\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 1lfC8D-0005bF-JO\n for qemu-devel@nongnu.org; Fri, 07 May 2021 21:52:06 -0400", "by mail-pj1-x102b.google.com with SMTP id\n j6-20020a17090adc86b02900cbfe6f2c96so6549289pjv.1\n for <qemu-devel@nongnu.org>; Fri, 07 May 2021 18:51:49 -0700 (PDT)", "from localhost.localdomain ([71.212.144.24])\n by smtp.gmail.com with ESMTPSA id 204sm5861396pfw.158.2021.05.07.18.51.48\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Fri, 07 May 2021 18:51:48 -0700 (PDT)" ], "DKIM-Signature": "v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google;\n h=from:to:cc:subject:date:message-id:in-reply-to:references\n :mime-version:content-transfer-encoding;\n bh=jo+ANFYUJMSCyvRfCt/6jyK6Kk/POkqHuzGReMBellk=;\n b=WeoYBPMziOBg34gZW3xQ9KbnszjHPng6VyiJ9sKvRDFuBpY0rVE2n01uJfbUJY8LD4\n zPYra06zlP6OBpgqcCbKvBL93bvA2ibpMS8qAVrEz1k/sTc/9D7FFI5mVX+iGMdcmdO7\n +lh/MRp2CAEflJ78fRf6YGsOb/vs7xtY2rNfFZWb9mRvX3Iu168WGDwxKxlm21u4P1fj\n hXhEKRyMXG55DNBygKXe+k5Z9KpGZ+XNpNVPc2Y3uEbdMfYp4i0qBOJrrUa2kIhouZad\n C7icG0qYZwxNnIfXeIfL/kQKdOx/PRpEumvhOuTnv+qq1ydnFra+GBSxXLsQ1T6iTwuM\n XBYA==", "X-Google-DKIM-Signature": "v=1; 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=jo+ANFYUJMSCyvRfCt/6jyK6Kk/POkqHuzGReMBellk=;\n b=X80+JeDbmc7LzqLhkuNqDYjLYWnJOcITg/vaTcQnvJ1vqKvpaUd7e1Fh4ijorV2RLZ\n u9bpsLVPgWt2HZEtmDxZ+nft3V+yrRBmAM5zOdKZW8gzlhzVySJcfvd4wzucZXoGYKdB\n 34O+TaDbYYae3RrOBofwwJJ4225zyD40LUo1mOamHmH9DVLgwue2l8Mq+Qko9oAVKSV0\n /7qCUS7OYTBcBnhKkw8uuu/DO4MnHGRd6VTg6w3DjdTUCjmPNOmGKwbvlQi/DghUJwNE\n jzlf5/XYuk7Nvf9f24kTfiopacaH+N8HMamRqRlQDxjrPClc/k02lsUnL9cPk0ESSSc5\n HMKw==", "X-Gm-Message-State": "AOAM532ic730Vig/x8EC8bEh4lgNxbhzJwU7jNHySmAKcwRRmo65pvXl\n wRp/YuGY5GJTlWCneDiPc7M4tj+i9h+ypg==", "X-Google-Smtp-Source": "\n ABdhPJw8X6hjrfBk6l53Ug5riOqj2dgZEdWPBb2edln2ZgqEu6H7NY4IvCcGO7eeN/4idkVlHynR+w==", "X-Received": "by 2002:a17:90b:310b:: with SMTP id\n gc11mr13752229pjb.118.1620438708427;\n Fri, 07 May 2021 18:51:48 -0700 (PDT)", "From": "Richard Henderson <richard.henderson@linaro.org>", "To": "qemu-devel@nongnu.org", "Subject": "[PATCH 69/72] softfloat: Convert floatx80 compare to FloatParts", "Date": "Fri, 7 May 2021 18:47:59 -0700", "Message-Id": "<20210508014802.892561-70-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::102b;\n envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102b.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 | 82 +++++++++++++------------------------------------\n 1 file changed, 22 insertions(+), 60 deletions(-)", "diff": "diff --git a/fpu/softfloat.c b/fpu/softfloat.c\nindex 81ff563dc0..b89ec4b832 100644\n--- a/fpu/softfloat.c\n+++ b/fpu/softfloat.c\n@@ -3864,6 +3864,28 @@ FloatRelation float128_compare_quiet(float128 a, float128 b, float_status *s)\n return float128_do_compare(a, b, s, true);\n }\n \n+static FloatRelation QEMU_FLATTEN\n+floatx80_do_compare(floatx80 a, floatx80 b, float_status *s, bool is_quiet)\n+{\n+ FloatParts128 pa, pb;\n+\n+ if (!floatx80_unpack_canonical(&pa, a, s) ||\n+ !floatx80_unpack_canonical(&pb, b, s)) {\n+ return float_relation_unordered;\n+ }\n+ return parts_compare(&pa, &pb, s, is_quiet);\n+}\n+\n+FloatRelation floatx80_compare(floatx80 a, floatx80 b, float_status *s)\n+{\n+ return floatx80_do_compare(a, b, s, false);\n+}\n+\n+FloatRelation floatx80_compare_quiet(floatx80 a, floatx80 b, float_status *s)\n+{\n+ return floatx80_do_compare(a, b, s, true);\n+}\n+\n /*\n * Scale by 2**N\n */\n@@ -5698,66 +5720,6 @@ float128 float128_rem(float128 a, float128 b, float_status *status)\n return normalizeRoundAndPackFloat128(aSign ^ zSign, bExp - 4, aSig0, aSig1,\n status);\n }\n-\n-static inline FloatRelation\n-floatx80_compare_internal(floatx80 a, floatx80 b, bool is_quiet,\n- float_status *status)\n-{\n- bool aSign, bSign;\n-\n- if (floatx80_invalid_encoding(a) || floatx80_invalid_encoding(b)) {\n- float_raise(float_flag_invalid, status);\n- return float_relation_unordered;\n- }\n- if (( ( extractFloatx80Exp( a ) == 0x7fff ) &&\n- ( extractFloatx80Frac( a )<<1 ) ) ||\n- ( ( extractFloatx80Exp( b ) == 0x7fff ) &&\n- ( extractFloatx80Frac( b )<<1 ) )) {\n- if (!is_quiet ||\n- floatx80_is_signaling_nan(a, status) ||\n- floatx80_is_signaling_nan(b, status)) {\n- float_raise(float_flag_invalid, status);\n- }\n- return float_relation_unordered;\n- }\n- aSign = extractFloatx80Sign( a );\n- bSign = extractFloatx80Sign( b );\n- if ( aSign != bSign ) {\n-\n- if ( ( ( (uint16_t) ( ( a.high | b.high ) << 1 ) ) == 0) &&\n- ( ( a.low | b.low ) == 0 ) ) {\n- /* zero case */\n- return float_relation_equal;\n- } else {\n- return 1 - (2 * aSign);\n- }\n- } else {\n- /* Normalize pseudo-denormals before comparison. */\n- if ((a.high & 0x7fff) == 0 && a.low & UINT64_C(0x8000000000000000)) {\n- ++a.high;\n- }\n- if ((b.high & 0x7fff) == 0 && b.low & UINT64_C(0x8000000000000000)) {\n- ++b.high;\n- }\n- if (a.low == b.low && a.high == b.high) {\n- return float_relation_equal;\n- } else {\n- return 1 - 2 * (aSign ^ ( lt128( a.high, a.low, b.high, b.low ) ));\n- }\n- }\n-}\n-\n-FloatRelation floatx80_compare(floatx80 a, floatx80 b, float_status *status)\n-{\n- return floatx80_compare_internal(a, b, 0, status);\n-}\n-\n-FloatRelation floatx80_compare_quiet(floatx80 a, floatx80 b,\n- float_status *status)\n-{\n- return floatx80_compare_internal(a, b, 1, status);\n-}\n-\n static void __attribute__((constructor)) softfloat_init(void)\n {\n union_float64 ua, ub, uc, ur;\n", "prefixes": [ "69/72" ] }