From patchwork Wed Sep 13 10:45:02 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Szabolcs Nagy X-Patchwork-Id: 813335 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=sourceware.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=libc-alpha-return-84540-incoming=patchwork.ozlabs.org@sourceware.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.b="Og8f2RVM"; dkim-atps=neutral Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3xsdcH32xLz9sPk for ; Wed, 13 Sep 2017 20:45:51 +1000 (AEST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:message-id:date:from:mime-version:to:cc :subject:references:in-reply-to:content-type; q=dns; s=default; b= bVL+MX0jEB5qfO6ikVJu9q2R+nxWC5WeWSVaZCE9JC4sj1DDM1jQx9DH02xTqr8i a4II5v0PkvLoaud252zaAUbig7DUdkWUmvfDn3ses+Fb4sboE4D3oN4f+8rY0Yoe p+8q5BNer8ty7FsNSnFEfalp9vuLU96o9aMG/uSGGrk= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:message-id:date:from:mime-version:to:cc :subject:references:in-reply-to:content-type; s=default; bh=akUr 4agIkovXF+G8WPG9yj0g5AU=; b=Og8f2RVM1VouIdobcXHLGy4uUQqA9qUy3SDU DPckE+tisijSnUfFSp8zuoY7X+HyP1UubkDBs/jrVu9tE82hZxFiCUjrvT999qPA LSCdFBAe0YmAsYlKCV28BIGX61p9Ke13NdxzRmAlc3iD/yLRACut8pYnI1YpMQw3 GHwL8W4= Received: (qmail 19146 invoked by alias); 13 Sep 2017 10:45:38 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 3407 invoked by uid 89); 13 Sep 2017 10:45:27 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-24.6 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, RCVD_IN_DNSWL_NONE, SPF_HELO_PASS, SPF_PASS autolearn=ham version=3.3.2 spammy=ui, poly, (unknown) X-HELO: EUR01-DB5-obe.outbound.protection.outlook.com Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Szabolcs.Nagy@arm.com; Message-ID: <59B90C2E.9050806@arm.com> Date: Wed, 13 Sep 2017 11:45:02 +0100 From: Szabolcs Nagy User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.8.0 MIME-Version: 1.0 To: GNU C Library CC: nd@arm.com Subject: [PATCH 1/4 v2] Optimized generic expf and exp2f with wrappers References: <59B90BDF.7000503@arm.com> In-Reply-To: <59B90BDF.7000503@arm.com> X-ClientProxiedBy: AM4PR07CA0033.eurprd07.prod.outlook.com (2603:10a6:205:1::46) To DB6PR0802MB2485.eurprd08.prod.outlook.com (2603:10a6:4:9b::23) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 21bece6b-7c95-441d-d71a-08d4fa947ed3 X-MS-Office365-Filtering-HT: Tenant X-Microsoft-Antispam: UriScan:; BCL:0; PCL:0; RULEID:(300000500095)(300135000095)(300000501095)(300135300095)(300000502095)(300135100095)(22001)(2017030254152)(48565401081)(300000503095)(300135400095)(49563074)(201703131423075)(201703031133081)(201702281549075)(300000504095)(300135200095)(300000505095)(300135600095)(300000506095)(300135500095); SRVR:DB6PR0802MB2485; X-Microsoft-Exchange-Diagnostics: 1; DB6PR0802MB2485; 3:KdXSb8hZvbFJXjyRecXe/E0dN57Dq47RePm60Nwu0WKjeY5c9wlf7717J4vHZNrr6LYN6tS85GBRzGHKo9WP6Y5W7GHxN7E27pR2gGS9/AEF+zKd535agXhkOfknoaGY+FeLEmqSSxcf/xnlhLJq4NmUnxiJb1QejIEejJQ19Ga31EJjHYLwZPzxXXv7TgwXTjYPCRZ3kwH4dIsXUz2yoes8MqpKYlulLygAHcoqrmFXENNGQtI+3/t5QsRyaryX; 25:QSOB+PWHtaa923yfECgIpLsVLmVUyXAFAV6MPUaYJwz6NwQxXu3AN4zyr0ywnsbS1zdhcYnpSMy8NgLEqNdPdyQ5S67ZO25kFo0zd0tVk2q+LXSy6+X0G0yq9AKylgukMGQpmpNcZJsc+BTSwoJz13bqMJS4D9RuZnH5kdbWpIF9BoFxuRqFrjfHC6g5aROVwDkExbzy9zjxNwmNPRFt0qi4BYgR+eZPd8ABrZlyHNybVqppfLO43PHL0Zj7nnLCMPQvdVbVPvLA3yubPb4gw4I5ZfwRXqBanp5NHNO6c/Zy0AcZyUEoOinhbyLMITyJQrFexWpDZCWde9fzb/zB0Q==; 31:oDv4o7RVAghualCoa3+gWR5ZRexUG1STXKuiLDOhMBTWoSIVWkF1/gx+yKRd9wrcF6UktEpLdppZP58XSvoY00Nx2w3MNWV5F1UaA3kdWNtFRcgRIgc0Xb2/f1LhM9rqC+zpEG1goaGGRS8cUIvm9r+qQAz1FylTiRG1pwI0jgwlvyAcM3oGUgpPxC2V1XlJHYHf07KraU7NDzv5LlyGahzfojCQThhMesfMIEwpdl0= X-MS-TrafficTypeDiagnostic: DB6PR0802MB2485: NoDisclaimer: True X-Microsoft-Exchange-Diagnostics: 1; DB6PR0802MB2485; 20:5BGkoXMvD7yJCSjBpB80pgQIC9q7mIGIQrgfvs89JKSin/K59+XnNAeKUb33sFUoRlA6NHKwrSfrDIFxUFze+R2XE3/hIxDWa9z6YMmEAkUCyCZ10hjp1b81aqEhrOwF6sKBIgLU+DZxdT3iE+pzO5LuGFP6CBzFuk5w4CW+n7c=; 4:gwQ1XbThKNNHqsiDcrWbBBYHRMawA3RAozHsjYMV2kHz7hfdEBba9QQBzoszvRU+Vg8l5wyfNkeKWQV/qdou1OoCy22w1XyoU/Q1VXOx5Gj8VPxFFZ0RJRGDEJ3K5vJxW17sk7G+E2mC47P6Hnvz+RK95TC6QVIduJ5lRd7Nr4pgxFaij4ASj5GOrXq8Pv3nqM/bHBAecKoJLCHIoBjfqbOrLQWLjhooPDS/a3WFsKy1fQrGFdQ75xb98wrljQUKdO12Tvef74ulz9wBUA2jet/OIhv0yJeYQprseTcFyHvvy7Wpwp6fnLB0PVgdDWeR8svRjioaYj4n4vUoxrw71g== X-Exchange-Antispam-Report-Test: UriScan:(180628864354917)(166708455590820); X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(100000700101)(100105000095)(100000701101)(100105300095)(100000702101)(100105100095)(102415395)(6040450)(2401047)(8121501046)(5005006)(93006095)(93001095)(100000703101)(100105400095)(10201501046)(3002001)(6055026)(6041248)(20161123558100)(201703131423075)(201702281528075)(201703061421075)(201703061406153)(20161123560025)(20161123564025)(20161123555025)(20161123562025)(6072148)(201708071742011)(100000704101)(100105200095)(100000705101)(100105500095); SRVR:DB6PR0802MB2485; BCL:0; PCL:0; RULEID:(100000800101)(100110000095)(100000801101)(100110300095)(100000802101)(100110100095)(100000803101)(100110400095)(100000804101)(100110200095)(100000805101)(100110500095); SRVR:DB6PR0802MB2485; X-Forefront-PRVS: 042957ACD7 X-Forefront-Antispam-Report: SFV:NSPM; SFS:(10009020)(4630300001)(7370300001)(6009001)(6049001)(346002)(366002)(376002)(39860400002)(189002)(377424004)(199003)(87266999)(68736007)(54356999)(33656002)(80316001)(189998001)(65816999)(77096006)(76176999)(270700001)(50986999)(105586002)(64126003)(6486002)(568964002)(7350300001)(5660300001)(86362001)(4610100001)(59896002)(53936002)(6306002)(966005)(97736004)(4001350100001)(4326008)(316002)(2906002)(65806001)(72206003)(478600001)(65956001)(66066001)(110136004)(8676002)(101416001)(36756003)(6666003)(6916009)(106356001)(81156014)(16576012)(81166006)(84326002)(7736002)(25786009)(83506001)(3846002)(2476003)(16526017)(305945005)(5890100001)(6116002)(2950100002)(41533002); DIR:OUT; SFP:1101; SCL:1; SRVR:DB6PR0802MB2485; H:[10.2.206.69]; FPR:; SPF:None; PTR:InfoNoRecords; MX:1; A:1; LANG:en; Received-SPF: None (protection.outlook.com: arm.com does not designate permitted sender hosts) X-Microsoft-Exchange-Diagnostics: 1; DB6PR0802MB2485; 23: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 X-Microsoft-Exchange-Diagnostics: 1; DB6PR0802MB2485; 6:oDRBbVsgekV4RLsRUEHM5sp7Kb+rNn1/dZZ/7d2svpERVLbHZAXYDTEf4vGSQPLDvmBPhWmqJLxE946xNPHAMqyt3vUcaHrEeX88OGtoT/C+15te03VlvyEvo+E4iWjmpTAOyIPGWTRlqgdiCWzppyuqar8UcVWiRZ+kDPG8cy71mcFsVPSY8uO4ouZCrcNpPJdXa39fnIvdxy/0vWVLLHbZd4S7beY4/i/QTD612Okv37tc1JDhqdAC7DcEQQxC3dqy4lKJSh2LzoPORp35tBPYvIQZ38A1wioVNCRSDsaMgfsc6svzQzCc8VL+8vNSExzQ3QsjKB/s+zs3pQdq9g==; 5:WY6/Dww61KWLOBmtgkRvvj8/T9D8gCC0F/zRF4k0plxR+NdTdGK+rD//BDFwltnjZpIyavZOhASKXDEbel+tojhAJUsg19zwZ9PUBSYGqUjthTGrg5BS4kiowk9neOMWmvnnIJiYRHjqwU5sS94WTg==; 24:/WKhyOxwyNLeCG3fFI8gE2bmtShZKC7cSLr0bUowha79PyYAsyRAAAeuy5T0nhyuRvKA5I9CiwWBM+qw80+pxhXcYrw4mL10Vv0toRouWnc=; 7:sHn4aybeAGnFP+t2ATX7VayH9jil8jJUCs0au3aeHWy93EDxfPLhcKCiiGfodkOHF7jhcTUSkR6IXumzIDbuSlvKv0d3U5ftaRWs6kwKvkLcxerLItiy7rjAz0EQZsIv9aSzup16pgAq6fw9mijOQ/4xiT64furYnfqMXIq/BeSTuVMvSRYuqswj/hRVlvZcNTsmShLW6DiZHdwT4rUz2scgRwC/sftIrvgY81xNtDM= SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Sep 2017 10:45:05.2561 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR0802MB2485 Based on new expf and exp2f code from https://github.com/ARM-software/optimized-routines/ with the new expf benchmark https://sourceware.org/ml/libc-alpha/2017-08/msg01126.html aarch64 expf reciprocal-throughput: 3.3x faster aarch64 expf latency: 1.7x faster aarch64 libm.so size: -8byte data, -2140byte text expf/exp2f worst case nearest rounding ulp error: 0.502 Error checks are inline and errno setting is in separate tail called functions, but the wrappers are kept in this patch to handle the _LIB_VERSION==_SVID_ case. (So e.g. errno is set twice for expf calls and once __expf_finite calls now on targets where the new code is used.) Double precision arithmetics is used which is expected to be faster on most targets (including soft-float) than using single precision and it is easier to get good precision result with it. Const data is kept in a separate translation unit which complicates maintenance a bit, but is expected to give good code for literal loads on most targets and allows sharing data across expf, exp2f and powf. (This data is disabled on i386 and ia64 which have their own expf, exp2f and powf code.) Some configuration is in a new math_config.h the settings may need further discussion. Some details may need target specific tweaks: - best convert and round to int operation in the arg reduction may be different across targets. - code was optimized on fma target, optimal polynomial eval may be different without fma. - gcc does not always generate good code for fp bit representation access via unions or it may be inherently slow on some target. The libm-test-ulps will need adjustment because.. - The argument reduction ideally uses nearest rounded rint, but that is not efficient on most targets, so the polynomial can get evaluated on a wider interval in non-nearest rounding mode making 1 ulp errors common in that case. - The polynomial is evaluated such that it has 1 ulp error on negative tiny inputs with upward rounding, but in exchange the evaluation is better pipelined. v2: - keep the compat wrappers for now. - cosmetic changes to math_config.h. - disable math_errf.c and e_exp2f_data.c on i386 and ia64. - remove unused t_exp2f.h 2017-09-13 Szabolcs Nagy * math/Makefile (type-float-routines): Add math_errf and e_exp2f_data. * sysdeps/aarch64/fpu/math_private.h (TOINT_INTRINSICS): Define. (roundtoint, converttoint): Likewise. * sysdeps/i386/fpu/e_exp2f_data.c: New file. * sysdeps/i386/fpu/math_errf.c: New file. * sysdeps/ia64/fpu/e_exp2f_data.c: New file. * sysdeps/ia64/fpu/math_errf.c: New file. * sysdeps/ieee754/flt-32/e_expf.c: New implementation. * sysdeps/ieee754/flt-32/e_exp2f.c: New implementation. * sysdeps/ieee754/flt-32/e_exp2f_data.c: New file. * sysdeps/ieee754/flt-32/math_config.h: New file. * sysdeps/ieee754/flt-32/math_errf.c: New file. * sysdeps/ieee754/flt-32/t_exp2f.h: Remove. From 9feaa15d988bcd48a399b8616eb234de805e7b5e Mon Sep 17 00:00:00 2001 From: Szabolcs Nagy Date: Wed, 6 Sep 2017 17:42:00 +0100 Subject: [PATCH 1/4] expf --- math/Makefile | 2 +- sysdeps/aarch64/fpu/math_private.h | 20 ++ sysdeps/i386/fpu/e_exp2f_data.c | 1 + sysdeps/i386/fpu/math_errf.c | 1 + sysdeps/ia64/fpu/e_exp2f_data.c | 1 + sysdeps/ia64/fpu/math_errf.c | 1 + sysdeps/ieee754/flt-32/e_exp2f.c | 170 ++++++---------- sysdeps/ieee754/flt-32/e_exp2f_data.c | 44 +++++ sysdeps/ieee754/flt-32/e_expf.c | 185 ++++++++---------- sysdeps/ieee754/flt-32/math_config.h | 114 +++++++++++ sysdeps/ieee754/flt-32/math_errf.c | 76 ++++++++ sysdeps/ieee754/flt-32/t_exp2f.h | 351 ---------------------------------- 12 files changed, 399 insertions(+), 567 deletions(-) create mode 100644 sysdeps/i386/fpu/e_exp2f_data.c create mode 100644 sysdeps/i386/fpu/math_errf.c create mode 100644 sysdeps/ia64/fpu/e_exp2f_data.c create mode 100644 sysdeps/ia64/fpu/math_errf.c create mode 100644 sysdeps/ieee754/flt-32/e_exp2f_data.c create mode 100644 sysdeps/ieee754/flt-32/math_config.h create mode 100644 sysdeps/ieee754/flt-32/math_errf.c delete mode 100644 sysdeps/ieee754/flt-32/t_exp2f.h diff --git a/math/Makefile b/math/Makefile index 0601f3ac43..04586156f8 100644 --- a/math/Makefile +++ b/math/Makefile @@ -115,7 +115,7 @@ type-double-routines := branred doasin dosincos halfulp mpa mpatan2 \ # float support type-float-suffix := f -type-float-routines := k_rem_pio2f +type-float-routines := k_rem_pio2f math_errf e_exp2f_data # _Float128 support type-float128-suffix := f128 diff --git a/sysdeps/aarch64/fpu/math_private.h b/sysdeps/aarch64/fpu/math_private.h index 807111ea5a..775237ffb2 100644 --- a/sysdeps/aarch64/fpu/math_private.h +++ b/sysdeps/aarch64/fpu/math_private.h @@ -319,6 +319,26 @@ libc_feresetround_noex_aarch64_ctx (struct rm_ctx *ctx) #define libc_feresetround_noexf_ctx libc_feresetround_noex_aarch64_ctx #define libc_feresetround_noexl_ctx libc_feresetround_noex_aarch64_ctx +/* Hack: only include the large arm_neon.h when needed. */ +#ifdef _MATH_CONFIG_H +#include + +/* ACLE intrinsics for frintn and fcvtns instructions. */ +#define TOINT_INTRINSICS 1 + +static inline double_t +roundtoint (double_t x) +{ + return vget_lane_f64 (vrndn_f64 (vld1_f64 (&x)), 0); +} + +static inline uint64_t +converttoint (double_t x) +{ + return vcvtnd_s64_f64 (x); +} +#endif + #include_next #endif diff --git a/sysdeps/i386/fpu/e_exp2f_data.c b/sysdeps/i386/fpu/e_exp2f_data.c new file mode 100644 index 0000000000..1cc8931700 --- /dev/null +++ b/sysdeps/i386/fpu/e_exp2f_data.c @@ -0,0 +1 @@ +/* Not needed. */ diff --git a/sysdeps/i386/fpu/math_errf.c b/sysdeps/i386/fpu/math_errf.c new file mode 100644 index 0000000000..1cc8931700 --- /dev/null +++ b/sysdeps/i386/fpu/math_errf.c @@ -0,0 +1 @@ +/* Not needed. */ diff --git a/sysdeps/ia64/fpu/e_exp2f_data.c b/sysdeps/ia64/fpu/e_exp2f_data.c new file mode 100644 index 0000000000..1cc8931700 --- /dev/null +++ b/sysdeps/ia64/fpu/e_exp2f_data.c @@ -0,0 +1 @@ +/* Not needed. */ diff --git a/sysdeps/ia64/fpu/math_errf.c b/sysdeps/ia64/fpu/math_errf.c new file mode 100644 index 0000000000..1cc8931700 --- /dev/null +++ b/sysdeps/ia64/fpu/math_errf.c @@ -0,0 +1 @@ +/* Not needed. */ diff --git a/sysdeps/ieee754/flt-32/e_exp2f.c b/sysdeps/ieee754/flt-32/e_exp2f.c index 567d3ff6d0..be53e5c699 100644 --- a/sysdeps/ieee754/flt-32/e_exp2f.c +++ b/sysdeps/ieee754/flt-32/e_exp2f.c @@ -1,7 +1,6 @@ -/* Single-precision floating point 2^x. - Copyright (C) 1997-2017 Free Software Foundation, Inc. +/* Single-precision 2^x function. + Copyright (C) 2017 Free Software Foundation, Inc. This file is part of the GNU C Library. - Contributed by Geoffrey Keating The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public @@ -17,116 +16,73 @@ License along with the GNU C Library; if not, see . */ -/* The basic design here is from - Shmuel Gal and Boris Bachelis, "An Accurate Elementary Mathematical - Library for the IEEE Floating Point Standard", ACM Trans. Math. Soft., - 17 (1), March 1991, pp. 26-45. - It has been slightly modified to compute 2^x instead of e^x, and for - single-precision. - */ -#ifndef _GNU_SOURCE -# define _GNU_SOURCE -#endif -#include -#include -#include #include -#include -#include -#include - -#include "t_exp2f.h" - -static const float TWOM100 = 7.88860905e-31; -static const float TWO127 = 1.7014118346e+38; +#include +#include "math_config.h" + +/* +EXP2F_TABLE_BITS = 5 +EXP2F_POLY_ORDER = 3 + +ULP error: 0.502 (nearest rounding.) +Relative error: 1.69 * 2^-34 in [-1/64, 1/64] (before rounding.) +Wrong count: 168353 (all nearest rounding wrong results with fma.) +Non-nearest ULP error: 1 (rounded ULP error) +*/ + +#define N (1 << EXP2F_TABLE_BITS) +#define T __exp2f_data.tab +#define C __exp2f_data.poly +#define SHIFT __exp2f_data.shift_scaled + +static inline uint32_t +top12 (float x) +{ + return asuint (x) >> 20; +} float __ieee754_exp2f (float x) { - static const float himark = (float) FLT_MAX_EXP; - static const float lomark = (float) (FLT_MIN_EXP - FLT_MANT_DIG - 1); - - /* Check for usual case. */ - if (isless (x, himark) && isgreaterequal (x, lomark)) + uint32_t abstop; + uint64_t ki, t; + /* double_t for better performance on targets with FLT_EVAL_METHOD==2. */ + double_t kd, xd, z, r, r2, y, s; + + xd = (double_t) x; + abstop = top12 (x) & 0x7ff; + if (__glibc_unlikely (abstop >= top12 (128.0f))) { - static const float THREEp14 = 49152.0; - int tval, unsafe; - float rx, x22, result; - union ieee754_float ex2_u, scale_u; - - if (fabsf (x) < FLT_EPSILON / 4.0f) - return 1.0f + x; - - { - SET_RESTORE_ROUND_NOEXF (FE_TONEAREST); - - /* 1. Argument reduction. - Choose integers ex, -128 <= t < 128, and some real - -1/512 <= x1 <= 1/512 so that - x = ex + t/512 + x1. - - First, calculate rx = ex + t/256. */ - rx = x + THREEp14; - rx -= THREEp14; - x -= rx; /* Compute x=x1. */ - /* Compute tval = (ex*256 + t)+128. - Now, t = (tval mod 256)-128 and ex=tval/256 [that's mod, NOT %; - and /-round-to-nearest not the usual c integer /]. */ - tval = (int) (rx * 256.0f + 128.0f); - - /* 2. Adjust for accurate table entry. - Find e so that - x = ex + t/256 + e + x2 - where -7e-4 < e < 7e-4, and - (float)(2^(t/256+e)) - is accurate to one part in 2^-64. */ - - /* 'tval & 255' is the same as 'tval%256' except that it's always - positive. - Compute x = x2. */ - x -= __exp2f_deltatable[tval & 255]; - - /* 3. Compute ex2 = 2^(t/255+e+ex). */ - ex2_u.f = __exp2f_atable[tval & 255]; - tval >>= 8; - /* x2 is an integer multiple of 2^-30; avoid intermediate - underflow from the calculation of x22 * x. */ - unsafe = abs(tval) >= -FLT_MIN_EXP - 32; - ex2_u.ieee.exponent += tval >> unsafe; - scale_u.f = 1.0; - scale_u.ieee.exponent += tval - (tval >> unsafe); - - /* 4. Approximate 2^x2 - 1, using a second-degree polynomial, - with maximum error in [-2^-9 - 2^-14, 2^-9 + 2^-14] - less than 1.3e-10. */ - - x22 = (.24022656679f * x + .69314736128f) * ex2_u.f; - } - - /* 5. Return (2^x2-1) * 2^(t/512+e+ex) + 2^(t/512+e+ex). */ - result = x22 * x + ex2_u.f; - - if (!unsafe) - return result; - else - { - result *= scale_u.f; - math_check_force_underflow_nonneg (result); - return result; - } - } - /* Exceptional cases: */ - else if (isless (x, himark)) - { - if (isinf (x)) - /* e^-inf == 0, with no error. */ - return 0; - else - /* Underflow */ - return TWOM100 * TWOM100; + /* |x| >= 128 or x is nan. */ + if (asuint (x) == asuint (-INFINITY)) + return 0.0f; + if (abstop >= top12 (INFINITY)) + return x + x; + if (x > 0.0f) + return __math_oflowf (0); + if (x <= -150.0f) + return __math_uflowf (0); +#if WANT_ERRNO_UFLOW + if (x < -149.0f) + return __math_may_uflowf (0); +#endif } - else - /* Return x, if x is a NaN or Inf; or overflow, otherwise. */ - return TWO127*x; + + /* x = k/N + r with r in [-1/(2N), 1/(2N)] and int k. */ + kd = (double) (xd + SHIFT); /* Rounding to double precision is required. */ + ki = asuint64 (kd); + kd -= SHIFT; /* k/N for int k. */ + r = xd - kd; + + /* exp2(x) = 2^(k/N) * 2^r ~= s * (C0*r^3 + C1*r^2 + C2*r + 1) */ + t = T[ki % N]; + t += ki << (52 - EXP2F_TABLE_BITS); + s = asdouble (t); + z = C[0] * r + C[1]; + r2 = r * r; + y = C[2] * r + 1; + y = z * r2 + y; + y = y * s; + return (float) y; } strong_alias (__ieee754_exp2f, __exp2f_finite) diff --git a/sysdeps/ieee754/flt-32/e_exp2f_data.c b/sysdeps/ieee754/flt-32/e_exp2f_data.c new file mode 100644 index 0000000000..390dcae333 --- /dev/null +++ b/sysdeps/ieee754/flt-32/e_exp2f_data.c @@ -0,0 +1,44 @@ +/* Shared data between expf, exp2f and powf. + Copyright (C) 2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include "math_config.h" + +#define N (1 << EXP2F_TABLE_BITS) + +const struct exp2f_data __exp2f_data = { + /* tab[i] = uint(2^(i/N)) - (i << 52-BITS) + used for computing 2^(k/N) for an int |k| < 150 N as + double(tab[k%N] + (k << 52-BITS)) */ + .tab = { +0x3ff0000000000000, 0x3fefd9b0d3158574, 0x3fefb5586cf9890f, 0x3fef9301d0125b51, +0x3fef72b83c7d517b, 0x3fef54873168b9aa, 0x3fef387a6e756238, 0x3fef1e9df51fdee1, +0x3fef06fe0a31b715, 0x3feef1a7373aa9cb, 0x3feedea64c123422, 0x3feece086061892d, +0x3feebfdad5362a27, 0x3feeb42b569d4f82, 0x3feeab07dd485429, 0x3feea47eb03a5585, +0x3feea09e667f3bcd, 0x3fee9f75e8ec5f74, 0x3feea11473eb0187, 0x3feea589994cce13, +0x3feeace5422aa0db, 0x3feeb737b0cdc5e5, 0x3feec49182a3f090, 0x3feed503b23e255d, +0x3feee89f995ad3ad, 0x3feeff76f2fb5e47, 0x3fef199bdd85529c, 0x3fef3720dcef9069, +0x3fef5818dcfba487, 0x3fef7c97337b9b5f, 0x3fefa4afa2a490da, 0x3fefd0765b6e4540, + }, + .shift_scaled = 0x1.8p+52 / N, + .poly = { 0x1.c6af84b912394p-5, 0x1.ebfce50fac4f3p-3, 0x1.62e42ff0c52d6p-1 }, + .shift = 0x1.8p+52, + .invln2_scaled = 0x1.71547652b82fep+0 * N, + .poly_scaled = { +0x1.c6af84b912394p-5/N/N/N, 0x1.ebfce50fac4f3p-3/N/N, 0x1.62e42ff0c52d6p-1/N + }, +}; diff --git a/sysdeps/ieee754/flt-32/e_expf.c b/sysdeps/ieee754/flt-32/e_expf.c index 782072f213..b8244a82cf 100644 --- a/sysdeps/ieee754/flt-32/e_expf.c +++ b/sysdeps/ieee754/flt-32/e_expf.c @@ -1,7 +1,6 @@ -/* Single-precision floating point e^x. - Copyright (C) 1997-2017 Free Software Foundation, Inc. +/* Single-precision e^x function. + Copyright (C) 2017 Free Software Foundation, Inc. This file is part of the GNU C Library. - Contributed by Geoffrey Keating The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public @@ -17,117 +16,87 @@ License along with the GNU C Library; if not, see . */ -/* How this works: - - The input value, x, is written as - - x = n * ln(2) + t/512 + delta[t] + x; - - where: - - n is an integer, 127 >= n >= -150; - - t is an integer, 177 >= t >= -177 - - delta is based on a table entry, delta[t] < 2^-28 - - x is whatever is left, |x| < 2^-10 - - Then e^x is approximated as - - e^x = 2^n ( e^(t/512 + delta[t]) - + ( e^(t/512 + delta[t]) - * ( p(x + delta[t] + n * ln(2)) - delta ) ) ) - - where - - p(x) is a polynomial approximating e(x)-1; - - e^(t/512 + delta[t]) is obtained from a table. - - The table used is the same one as for the double precision version; - since we have the table, we might as well use it. - - It turns out to be faster to do calculations in double precision than - to perform an 'accurate table method' expf, because of the range reduction - overhead (compare exp2f). - */ -#include -#include #include -#include -#include -#include - -extern const float __exp_deltatable[178]; -extern const double __exp_atable[355] /* __attribute__((mode(DF))) */; - -static const float TWOM100 = 7.88860905e-31; -static const float TWO127 = 1.7014118346e+38; +#include +#include "math_config.h" + +/* +EXP2F_TABLE_BITS = 5 +EXP2F_POLY_ORDER = 3 + +ULP error: 0.502 (nearest rounding.) +Relative error: 1.69 * 2^-34 in [-ln2/64, ln2/64] (before rounding.) +Wrong count: 170635 (all nearest rounding wrong results with fma.) +Non-nearest ULP error: 1 (rounded ULP error) +*/ + +#define N (1 << EXP2F_TABLE_BITS) +#define InvLn2N __exp2f_data.invln2_scaled +#define T __exp2f_data.tab +#define C __exp2f_data.poly_scaled + +static inline uint32_t +top12 (float x) +{ + return asuint (x) >> 20; +} float __ieee754_expf (float x) { - static const float himark = 88.72283935546875; - static const float lomark = -103.972084045410; - /* Check for usual case. */ - if (isless (x, himark) && isgreater (x, lomark)) + uint32_t abstop; + uint64_t ki, t; + /* double_t for better performance on targets with FLT_EVAL_METHOD==2. */ + double_t kd, xd, z, r, r2, y, s; + + xd = (double_t) x; + abstop = top12 (x) & 0x7ff; + if (__glibc_unlikely (abstop >= top12 (88.0f))) { - static const float THREEp42 = 13194139533312.0; - static const float THREEp22 = 12582912.0; - /* 1/ln(2). */ -#undef M_1_LN2 - static const float M_1_LN2 = 1.44269502163f; - /* ln(2) */ -#undef M_LN2 - static const double M_LN2 = .6931471805599452862; - - int tval; - double x22, t, result, dx; - float n, delta; - union ieee754_double ex2_u; - - { - SET_RESTORE_ROUND_NOEXF (FE_TONEAREST); - - /* Calculate n. */ - n = x * M_1_LN2 + THREEp22; - n -= THREEp22; - dx = x - n*M_LN2; - - /* Calculate t/512. */ - t = dx + THREEp42; - t -= THREEp42; - dx -= t; - - /* Compute tval = t. */ - tval = (int) (t * 512.0); - - if (t >= 0) - delta = - __exp_deltatable[tval]; - else - delta = __exp_deltatable[-tval]; - - /* Compute ex2 = 2^n e^(t/512+delta[t]). */ - ex2_u.d = __exp_atable[tval+177]; - ex2_u.ieee.exponent += (int) n; - - /* Approximate e^(dx+delta) - 1, using a second-degree polynomial, - with maximum error in [-2^-10-2^-28,2^-10+2^-28] - less than 5e-11. */ - x22 = (0.5000000496709180453 * dx + 1.0000001192102037084) * dx + delta; - } - - /* Return result. */ - result = x22 * ex2_u.d + ex2_u.d; - return (float) result; + /* |x| >= 88 or x is nan. */ + if (asuint (x) == asuint (-INFINITY)) + return 0.0f; + if (abstop >= top12 (INFINITY)) + return x + x; + if (x > 0x1.62e42ep6f) /* x > log(0x1p128) ~= 88.72 */ + return __math_oflowf (0); + if (x < -0x1.9fe368p6f) /* x < log(0x1p-150) ~= -103.97 */ + return __math_uflowf (0); +#if WANT_ERRNO_UFLOW + if (x < -0x1.9d1d9ep6f) /* x < log(0x1p-149) ~= -103.28 */ + return __math_may_uflowf (0); +#endif } - /* Exceptional cases: */ - else if (isless (x, himark)) - { - if (isinf (x)) - /* e^-inf == 0, with no error. */ - return 0; - else - /* Underflow */ - return TWOM100 * TWOM100; - } - else - /* Return x, if x is a NaN or Inf; or overflow, otherwise. */ - return TWO127*x; + + /* x*N/Ln2 = k + r with r in [-1/2, 1/2] and int k. */ + z = InvLn2N * xd; + + /* Round and convert z to int, the result is in [-150*N, 128*N] and + ideally ties-to-even rule is used, otherwise the magnitude of r + can be bigger which gives larger approximation error. */ +#if TOINT_INTRINSICS + kd = roundtoint (z); + ki = converttoint (z); +#elif TOINT_RINT + kd = rint (z); + ki = (long) kd; +#elif TOINT_SHIFT +# define SHIFT __exp2f_data.shift + kd = (double) (z + SHIFT); /* Rounding to double precision is required. */ + ki = asuint64 (kd); + kd -= SHIFT; +#endif + r = z - kd; + + /* exp(x) = 2^(k/N) * 2^(r/N) ~= s * (C0*r^3 + C1*r^2 + C2*r + 1) */ + t = T[ki % N]; + t += ki << (52 - EXP2F_TABLE_BITS); + s = asdouble (t); + z = C[0] * r + C[1]; + r2 = r * r; + y = C[2] * r + 1; + y = z * r2 + y; + y = y * s; + return (float) y; } strong_alias (__ieee754_expf, __expf_finite) diff --git a/sysdeps/ieee754/flt-32/math_config.h b/sysdeps/ieee754/flt-32/math_config.h new file mode 100644 index 0000000000..1759c447c8 --- /dev/null +++ b/sysdeps/ieee754/flt-32/math_config.h @@ -0,0 +1,114 @@ +/* Configuration for math routines. + Copyright (C) 2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#ifndef _MATH_CONFIG_H +#define _MATH_CONFIG_H + +#include +#include +#include + +#ifndef WANT_ROUNDING +/* Correct special case results in non-nearest rounding modes. */ +# define WANT_ROUNDING 1 +#endif +#ifndef WANT_ERRNO +/* Set errno according to ISO C with (math_errhandling & MATH_ERRNO) != 0. */ +# define WANT_ERRNO 1 +#endif +#ifndef WANT_ERRNO_UFLOW +/* Set errno to ERANGE if result underflows to 0 (in all rounding modes). */ +# define WANT_ERRNO_UFLOW (WANT_ROUNDING && WANT_ERRNO) +#endif + +#ifndef TOINT_INTRINSICS +# define TOINT_INTRINSICS 0 +#endif +#ifndef TOINT_RINT +# define TOINT_RINT 0 +#endif +#ifndef TOINT_SHIFT +# define TOINT_SHIFT 1 +#endif + +static inline uint32_t +asuint (float f) +{ + union + { + float f; + uint32_t i; + } u = {f}; + return u.i; +} + +static inline float +asfloat (uint32_t i) +{ + union + { + uint32_t i; + float f; + } u = {i}; + return u.f; +} + +static inline uint64_t +asuint64 (double f) +{ + union + { + double f; + uint64_t i; + } u = {f}; + return u.i; +} + +static inline double +asdouble (uint64_t i) +{ + union + { + uint64_t i; + double f; + } u = {i}; + return u.f; +} + +#define NOINLINE __attribute__ ((noinline)) + +attribute_hidden float __math_oflowf (unsigned long); +attribute_hidden float __math_uflowf (unsigned long); +attribute_hidden float __math_may_uflowf (unsigned long); +attribute_hidden float __math_divzerof (unsigned long); +attribute_hidden float __math_invalidf (float); + +/* Shared between expf, exp2f and powf. */ +#define EXP2F_TABLE_BITS 5 +#define EXP2F_POLY_ORDER 3 +extern const struct exp2f_data +{ + uint64_t tab[1 << EXP2F_TABLE_BITS]; + double shift_scaled; + double poly[EXP2F_POLY_ORDER]; + double shift; + double invln2_scaled; + double poly_scaled[EXP2F_POLY_ORDER]; +} __exp2f_data; + +#endif diff --git a/sysdeps/ieee754/flt-32/math_errf.c b/sysdeps/ieee754/flt-32/math_errf.c new file mode 100644 index 0000000000..ab546e24cf --- /dev/null +++ b/sysdeps/ieee754/flt-32/math_errf.c @@ -0,0 +1,76 @@ +/* Single-precision math error handling. + Copyright (C) 2017 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + . */ + +#include "math_config.h" + +#if WANT_ERRNO +# include +/* NOINLINE reduces code size. */ +NOINLINE static float +with_errnof (float y, int e) +{ + errno = e; + return y; +} +#else +# define with_errnof(x, e) (x) +#endif + +/* NOINLINE prevents fenv semantics breaking optimizations. */ +NOINLINE static float +xflowf (unsigned long sign, float y) +{ + y = (sign ? -y : y) * y; + return with_errnof (y, ERANGE); +} + +attribute_hidden float +__math_uflowf (unsigned long sign) +{ + return xflowf (sign, 0x1p-95f); +} + +#if WANT_ERRNO_UFLOW +/* Underflows to zero in some non-nearest rounding mode, setting errno + is valid even if the result is non-zero, but in the subnormal range. */ +attribute_hidden float +__math_may_uflowf (unsigned long sign) +{ + return xflowf (sign, 0x1.4p-75f); +} +#endif + +attribute_hidden float +__math_oflowf (unsigned long sign) +{ + return xflowf (sign, 0x1p97f); +} + +attribute_hidden float +__math_divzerof (unsigned long sign) +{ + float y = 0; + return with_errnof ((sign ? -1 : 1) / y, ERANGE); +} + +attribute_hidden float +__math_invalidf (float x) +{ + float y = (x - x) / (x - x); + return isnan (x) ? y : with_errnof (y, EDOM); +} diff --git a/sysdeps/ieee754/flt-32/t_exp2f.h b/sysdeps/ieee754/flt-32/t_exp2f.h deleted file mode 100644 index aecabcc372..0000000000 --- a/sysdeps/ieee754/flt-32/t_exp2f.h +++ /dev/null @@ -1,351 +0,0 @@ -/* Accurate tables for exp2f(). - Copyright (C) 1998-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Geoffrey Keating - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - . */ - -/* This table has the property that, for all integers -128 <= i <= 127, - exp(i/256.0 + __exp2f_deltatable[i-128]) == __exp2f_atable[i+128] + r - for some -2^-35 < r < 2^-35 (abs(r) < 2^-36 if i <= 0); and that - __exp2f_deltatable[i+128] == t * 2^-30 - for integer t so that abs(t) <= 43447 * 2^0. */ - -#define W30 (9.31322575e-10) -static const float __exp2f_deltatable[256] = { - -810*W30, 283*W30, -1514*W30, 1304*W30, - -1148*W30, -98*W30, -744*W30, -156*W30, - -419*W30, -155*W30, 474*W30, 167*W30, - -1984*W30, -826*W30, 692*W30, 781*W30, - -578*W30, -411*W30, -129*W30, -1500*W30, - 654*W30, -141*W30, -816*W30, -53*W30, - 148*W30, 493*W30, -2214*W30, 760*W30, - 260*W30, 750*W30, -1300*W30, 1424*W30, - -1445*W30, -339*W30, -680*W30, -349*W30, - -922*W30, 531*W30, 193*W30, -2892*W30, - 290*W30, -2145*W30, -276*W30, 485*W30, - -695*W30, 215*W30, -7093*W30, 412*W30, - -4596*W30, 367*W30, 592*W30, -615*W30, - -97*W30, -1066*W30, 972*W30, -226*W30, - -625*W30, -374*W30, -5647*W30, -180*W30, - 20349*W30, -447*W30, 111*W30, -4164*W30, - -87*W30, -21*W30, -251*W30, 66*W30, - -517*W30, 2093*W30, -263*W30, 182*W30, - -601*W30, 475*W30, -483*W30, -1251*W30, - -373*W30, 1471*W30, -92*W30, -215*W30, - -97*W30, -190*W30, 0*W30, -290*W30, - -2647*W30, 1940*W30, -582*W30, 28*W30, - 833*W30, 1493*W30, 34*W30, 321*W30, - 3327*W30, -35*W30, 177*W30, -135*W30, - -796*W30, -428*W30, 129*W30, 9332*W30, - -12*W30, -69*W30, -1743*W30, 6508*W30, - -60*W30, 359*W30, 43447*W30, 15*W30, - -23*W30, -305*W30, -375*W30, -652*W30, - 667*W30, 269*W30, -1575*W30, 185*W30, - -329*W30, 200*W30, 6002*W30, 163*W30, - -647*W30, 19*W30, -603*W30, -755*W30, - 742*W30, -438*W30, 3587*W30, 2560*W30, - 0*W30, -520*W30, -241*W30, -299*W30, - -1270*W30, -991*W30, -1138*W30, 255*W30, - -1192*W30, 1722*W30, 1023*W30, 3700*W30, - -1388*W30, -1551*W30, -2549*W30, 27*W30, - 282*W30, 673*W30, 113*W30, 1561*W30, - 72*W30, 873*W30, 87*W30, -395*W30, - -433*W30, 629*W30, 3440*W30, -284*W30, - -592*W30, -103*W30, -46*W30, -3844*W30, - 1712*W30, 303*W30, 1555*W30, -631*W30, - -1400*W30, -961*W30, -854*W30, -276*W30, - 407*W30, 833*W30, -345*W30, -1501*W30, - 121*W30, -1581*W30, 400*W30, 150*W30, - 1224*W30, -139*W30, -563*W30, 879*W30, - 933*W30, 2939*W30, 788*W30, 211*W30, - 530*W30, -192*W30, 706*W30, -13347*W30, - 1065*W30, 3*W30, 111*W30, -208*W30, - -360*W30, -532*W30, -291*W30, 483*W30, - 987*W30, -33*W30, -1373*W30, -166*W30, - -1174*W30, -3955*W30, 1601*W30, -280*W30, - 1405*W30, 600*W30, -1659*W30, -23*W30, - 390*W30, 449*W30, 570*W30, -13143*W30, - -9*W30, -1646*W30, 1201*W30, 294*W30, - 2181*W30, -1173*W30, 1388*W30, -4504*W30, - 190*W30, -2304*W30, 211*W30, 239*W30, - 48*W30, -817*W30, 1018*W30, 1828*W30, - -663*W30, 1408*W30, 408*W30, -36*W30, - 1295*W30, -230*W30, 1341*W30, 9*W30, - 40*W30, 705*W30, 186*W30, 376*W30, - 557*W30, 5866*W30, 363*W30, -1558*W30, - 718*W30, 669*W30, 1369*W30, -2972*W30, - -468*W30, -121*W30, -219*W30, 667*W30, - 29954*W30, 366*W30, 48*W30, -203*W30 -}; - -static const float __exp2f_atable[256] /* __attribute__((mode(SF))) */ = { - 0.707106411447, /* 0x0.b504ecfff */ - 0.709024071690, /* 0x0.b58299fff */ - 0.710945606239, /* 0x0.b60088000 */ - 0.712874472142, /* 0x0.b67ef1000 */ - 0.714806139464, /* 0x0.b6fd88fff */ - 0.716744661340, /* 0x0.b77c94000 */ - 0.718687653549, /* 0x0.b7fbea000 */ - 0.720636486992, /* 0x0.b87ba1fff */ - 0.722590208040, /* 0x0.b8fbabfff */ - 0.724549472323, /* 0x0.b97c12fff */ - 0.726514220228, /* 0x0.b9fcd5fff */ - 0.728483855735, /* 0x0.ba7deb000 */ - 0.730457961549, /* 0x0.baff4afff */ - 0.732438981522, /* 0x0.bb811efff */ - 0.734425544748, /* 0x0.bc0350000 */ - 0.736416816713, /* 0x0.bc85d0000 */ - 0.738412797450, /* 0x0.bd089efff */ - 0.740414917465, /* 0x0.bd8bd4fff */ - 0.742422521111, /* 0x0.be0f66fff */ - 0.744434773914, /* 0x0.be9346fff */ - 0.746454179287, /* 0x0.bf179f000 */ - 0.748477637755, /* 0x0.bf9c3afff */ - 0.750506639473, /* 0x0.c02133fff */ - 0.752541840064, /* 0x0.c0a694fff */ - 0.754582285889, /* 0x0.c12c4e000 */ - 0.756628334525, /* 0x0.c1b265000 */ - 0.758678436269, /* 0x0.c238bffff */ - 0.760736882681, /* 0x0.c2bfa6fff */ - 0.762799203401, /* 0x0.c346cf000 */ - 0.764867603790, /* 0x0.c3ce5d000 */ - 0.766940355298, /* 0x0.c45633fff */ - 0.769021093841, /* 0x0.c4de90fff */ - 0.771104693409, /* 0x0.c5671dfff */ - 0.773195922364, /* 0x0.c5f02afff */ - 0.775292098512, /* 0x0.c6798afff */ - 0.777394294745, /* 0x0.c70350000 */ - 0.779501736166, /* 0x0.c78d6d000 */ - 0.781615912910, /* 0x0.c817fafff */ - 0.783734917628, /* 0x0.c8a2d9fff */ - 0.785858273516, /* 0x0.c92e02000 */ - 0.787990570071, /* 0x0.c9b9c0000 */ - 0.790125787245, /* 0x0.ca45aefff */ - 0.792268991467, /* 0x0.cad223fff */ - 0.794417440881, /* 0x0.cb5ef0fff */ - 0.796570718287, /* 0x0.cbec0efff */ - 0.798730909811, /* 0x0.cc79a0fff */ - 0.800892710672, /* 0x0.cd074dfff */ - 0.803068041795, /* 0x0.cd95ddfff */ - 0.805242776881, /* 0x0.ce2464000 */ - 0.807428598393, /* 0x0.ceb3a3fff */ - 0.809617877002, /* 0x0.cf431dfff */ - 0.811812341211, /* 0x0.cfd2eefff */ - 0.814013659956, /* 0x0.d06333000 */ - 0.816220164311, /* 0x0.d0f3ce000 */ - 0.818434238424, /* 0x0.d184e7fff */ - 0.820652604094, /* 0x0.d21649fff */ - 0.822877407074, /* 0x0.d2a818000 */ - 0.825108587751, /* 0x0.d33a51000 */ - 0.827342867839, /* 0x0.d3ccbdfff */ - 0.829588949684, /* 0x0.d45ff1000 */ - 0.831849217401, /* 0x0.d4f411fff */ - 0.834093391880, /* 0x0.d58724fff */ - 0.836355149750, /* 0x0.d61b5f000 */ - 0.838620424257, /* 0x0.d6afd3fff */ - 0.840896368027, /* 0x0.d744fc000 */ - 0.843176305293, /* 0x0.d7da66fff */ - 0.845462262643, /* 0x0.d87037000 */ - 0.847754716864, /* 0x0.d90673fff */ - 0.850052893157, /* 0x0.d99d10fff */ - 0.852359056469, /* 0x0.da3433fff */ - 0.854668736446, /* 0x0.dacb91fff */ - 0.856986224651, /* 0x0.db6373000 */ - 0.859309315673, /* 0x0.dbfbb1fff */ - 0.861639738080, /* 0x0.dc946bfff */ - 0.863975346095, /* 0x0.dd2d7d000 */ - 0.866317391394, /* 0x0.ddc6f9fff */ - 0.868666708472, /* 0x0.de60f1000 */ - 0.871022939695, /* 0x0.defb5c000 */ - 0.873383641229, /* 0x0.df9611fff */ - 0.875751554968, /* 0x0.e03141000 */ - 0.878126025200, /* 0x0.e0ccde000 */ - 0.880506813521, /* 0x0.e168e4fff */ - 0.882894217966, /* 0x0.e2055afff */ - 0.885287821299, /* 0x0.e2a239000 */ - 0.887686729423, /* 0x0.e33f6ffff */ - 0.890096127973, /* 0x0.e3dd56fff */ - 0.892507970338, /* 0x0.e47b67000 */ - 0.894928157336, /* 0x0.e51a03000 */ - 0.897355020043, /* 0x0.e5b90efff */ - 0.899788379682, /* 0x0.e65888000 */ - 0.902227103705, /* 0x0.e6f85afff */ - 0.904673457151, /* 0x0.e798ae000 */ - 0.907128036008, /* 0x0.e8398afff */ - 0.909585535528, /* 0x0.e8da99000 */ - 0.912051796915, /* 0x0.e97c3a000 */ - 0.914524436003, /* 0x0.ea1e46000 */ - 0.917003571999, /* 0x0.eac0bf000 */ - 0.919490039339, /* 0x0.eb63b2fff */ - 0.921983361257, /* 0x0.ec071a000 */ - 0.924488604054, /* 0x0.ecab48fff */ - 0.926989555360, /* 0x0.ed4f30000 */ - 0.929502844812, /* 0x0.edf3e6000 */ - 0.932021975503, /* 0x0.ee98fdfff */ - 0.934553921208, /* 0x0.ef3eecfff */ - 0.937083780759, /* 0x0.efe4b8fff */ - 0.939624726786, /* 0x0.f08b3f000 */ - 0.942198514924, /* 0x0.f133ebfff */ - 0.944726586343, /* 0x0.f1d99a000 */ - 0.947287976728, /* 0x0.f28176fff */ - 0.949856162070, /* 0x0.f329c5fff */ - 0.952431440345, /* 0x0.f3d28bfff */ - 0.955013573175, /* 0x0.f47bc5000 */ - 0.957603693021, /* 0x0.f52584000 */ - 0.960199773321, /* 0x0.f5cfa7000 */ - 0.962801992906, /* 0x0.f67a31000 */ - 0.965413510788, /* 0x0.f72556fff */ - 0.968030691152, /* 0x0.f7d0dc000 */ - 0.970655620084, /* 0x0.f87ce2fff */ - 0.973290979849, /* 0x0.f92998fff */ - 0.975926160805, /* 0x0.f9d64bfff */ - 0.978571653370, /* 0x0.fa83ac000 */ - 0.981225252139, /* 0x0.fb3193fff */ - 0.983885228626, /* 0x0.fbdfe6fff */ - 0.986552715296, /* 0x0.fc8eb7fff */ - 0.989228487027, /* 0x0.fd3e14000 */ - 0.991909801964, /* 0x0.fdedcd000 */ - 0.994601726545, /* 0x0.fe9e38000 */ - 0.997297704209, /* 0x0.ff4ee6fff */ - 1.000000000000, /* 0x1.000000000 */ - 1.002710938457, /* 0x1.00b1aa000 */ - 1.005429744692, /* 0x1.0163d7ffe */ - 1.008155703526, /* 0x1.02167dffe */ - 1.010888457284, /* 0x1.02c995fff */ - 1.013629436498, /* 0x1.037d38000 */ - 1.016377568250, /* 0x1.043152000 */ - 1.019134163841, /* 0x1.04e5f9ffe */ - 1.021896362316, /* 0x1.059b00000 */ - 1.024668931945, /* 0x1.0650b3ffe */ - 1.027446627635, /* 0x1.0706be001 */ - 1.030234098408, /* 0x1.07bd6bffe */ - 1.033023953416, /* 0x1.087441ffe */ - 1.035824656494, /* 0x1.092bce000 */ - 1.038632392900, /* 0x1.09e3d0001 */ - 1.041450142840, /* 0x1.0a9c79ffe */ - 1.044273972530, /* 0x1.0b558a001 */ - 1.047105550795, /* 0x1.0c0f1c001 */ - 1.049944162390, /* 0x1.0cc924001 */ - 1.052791833895, /* 0x1.0d83c4001 */ - 1.055645227426, /* 0x1.0e3ec3fff */ - 1.058507919326, /* 0x1.0efa60001 */ - 1.061377286898, /* 0x1.0fb66bfff */ - 1.064254641510, /* 0x1.1072fdffe */ - 1.067140102389, /* 0x1.113018000 */ - 1.070034146304, /* 0x1.11edc1fff */ - 1.072937250162, /* 0x1.12ac04001 */ - 1.075843691823, /* 0x1.136a7dfff */ - 1.078760385496, /* 0x1.1429a3ffe */ - 1.081685543070, /* 0x1.14e958000 */ - 1.084618330005, /* 0x1.15a98c000 */ - 1.087556362176, /* 0x1.166a18001 */ - 1.090508937863, /* 0x1.172b98001 */ - 1.093464612954, /* 0x1.17ed4bfff */ - 1.096430182434, /* 0x1.18afa5ffe */ - 1.099401354802, /* 0x1.19725e000 */ - 1.102381587017, /* 0x1.1a35adfff */ - 1.105370759965, /* 0x1.1af994000 */ - 1.108367800686, /* 0x1.1bbdfdffe */ - 1.111373305331, /* 0x1.1c82f6000 */ - 1.114387035385, /* 0x1.1d4878001 */ - 1.117408752440, /* 0x1.1e0e7ffff */ - 1.120437502874, /* 0x1.1ed4fe000 */ - 1.123474478729, /* 0x1.1f9c06000 */ - 1.126521706601, /* 0x1.2063ba001 */ - 1.129574775716, /* 0x1.212bd0001 */ - 1.132638812065, /* 0x1.21f49e000 */ - 1.135709524130, /* 0x1.22bddbffe */ - 1.138789534565, /* 0x1.2387b5fff */ - 1.141876101508, /* 0x1.2451fe000 */ - 1.144971728301, /* 0x1.251cddffe */ - 1.148077130296, /* 0x1.25e861ffe */ - 1.151189923305, /* 0x1.26b462001 */ - 1.154312610610, /* 0x1.278107ffe */ - 1.157440662410, /* 0x1.284e08001 */ - 1.160578370109, /* 0x1.291baa001 */ - 1.163725256932, /* 0x1.29e9e6000 */ - 1.166879892324, /* 0x1.2ab8a3ffe */ - 1.170044302935, /* 0x1.2b8805fff */ - 1.173205971694, /* 0x1.2c5739ffe */ - 1.176397800428, /* 0x1.2d2867ffe */ - 1.179586529747, /* 0x1.2df962001 */ - 1.182784795737, /* 0x1.2ecafbffe */ - 1.185991406414, /* 0x1.2f9d21ffe */ - 1.189206838636, /* 0x1.306fdc001 */ - 1.192430973067, /* 0x1.314328000 */ - 1.195664167430, /* 0x1.32170c001 */ - 1.198906540890, /* 0x1.32eb8a001 */ - 1.202157497408, /* 0x1.33c098000 */ - 1.205416083326, /* 0x1.349625fff */ - 1.208683252332, /* 0x1.356c43fff */ - 1.211961269402, /* 0x1.364318001 */ - 1.215246438983, /* 0x1.371a64000 */ - 1.218539118740, /* 0x1.37f22dffe */ - 1.221847295770, /* 0x1.38cafc000 */ - 1.225158572187, /* 0x1.39a3fdfff */ - 1.228481650325, /* 0x1.3a7dc5ffe */ - 1.231811761846, /* 0x1.3b5803fff */ - 1.235149741144, /* 0x1.3c32c5ffe */ - 1.238499879811, /* 0x1.3d0e53ffe */ - 1.241858124726, /* 0x1.3dea69fff */ - 1.245225191102, /* 0x1.3ec713fff */ - 1.248601436624, /* 0x1.3fa458000 */ - 1.251975655584, /* 0x1.40817a001 */ - 1.255380749731, /* 0x1.4160a2001 */ - 1.258783102010, /* 0x1.423f9bffe */ - 1.262198328973, /* 0x1.431f6e000 */ - 1.265619754780, /* 0x1.43ffa7fff */ - 1.269052743928, /* 0x1.44e0a4001 */ - 1.272490739830, /* 0x1.45c1f4000 */ - 1.275942921659, /* 0x1.46a432001 */ - 1.279397487615, /* 0x1.478697ffe */ - 1.282870173427, /* 0x1.486a2dffe */ - 1.286346316319, /* 0x1.494dfdffe */ - 1.289836049094, /* 0x1.4a32b2001 */ - 1.293333172770, /* 0x1.4b17e1ffe */ - 1.296839594835, /* 0x1.4bfdadfff */ - 1.300354957560, /* 0x1.4ce40fffe */ - 1.303882122055, /* 0x1.4dcb38001 */ - 1.307417988757, /* 0x1.4eb2f1ffe */ - 1.310960650439, /* 0x1.4f9b1dfff */ - 1.314516782746, /* 0x1.50842bfff */ - 1.318079948424, /* 0x1.516daffff */ - 1.321653246888, /* 0x1.5257de000 */ - 1.325237751030, /* 0x1.5342c8001 */ - 1.328829526907, /* 0x1.542e2c000 */ - 1.332433700535, /* 0x1.551a5fffe */ - 1.336045145966, /* 0x1.56070dffe */ - 1.339667558645, /* 0x1.56f473ffe */ - 1.343300342533, /* 0x1.57e287ffe */ - 1.346941947961, /* 0x1.58d130001 */ - 1.350594043714, /* 0x1.59c087ffe */ - 1.354256033883, /* 0x1.5ab085fff */ - 1.357932448365, /* 0x1.5ba175ffe */ - 1.361609339707, /* 0x1.5c926dfff */ - 1.365299344044, /* 0x1.5d8441ffe */ - 1.369003057507, /* 0x1.5e76fc001 */ - 1.372714757920, /* 0x1.5f6a3c000 */ - 1.376437187179, /* 0x1.605e2fffe */ - 1.380165219333, /* 0x1.615282001 */ - 1.383909463864, /* 0x1.6247e3ffe */ - 1.387661933907, /* 0x1.633dd0000 */ - 1.391424179060, /* 0x1.64345fffe */ - 1.395197510706, /* 0x1.652ba9fff */ - 1.399006724329, /* 0x1.66254dffe */ - 1.402773022651, /* 0x1.671c22000 */ - 1.406576037403, /* 0x1.68155dfff */ - 1.410389423392, /* 0x1.690f48001 */ -}; -- 2.11.0 From patchwork Wed Sep 13 10:47:33 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Szabolcs Nagy X-Patchwork-Id: 813338 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=sourceware.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=libc-alpha-return-84542-incoming=patchwork.ozlabs.org@sourceware.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.b="fRdGgOZi"; dkim-atps=neutral Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3xsdff1xhWz9s4s for ; Wed, 13 Sep 2017 20:47:54 +1000 (AEST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:message-id:date:from:mime-version:to:cc :subject:references:in-reply-to:content-type; q=dns; s=default; b= JyFQPydbE3SRURms8WXrzxokB/1phNNdUhtznoGYdJqhfNCFLVbjeLGJcn4fv2EF YtWJWZ61jW79hQbJrqiiot+PgOgrbm9EXQbb+0sk6unefVpbXpBTwSYU1+zII7Yb OCr+Scx6lsQlkWF2qm8KasP0zVXjv3E5XKm+rm2g9Og= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:message-id:date:from:mime-version:to:cc :subject:references:in-reply-to:content-type; s=default; bh=L5Pf Y1mwpOzV7pSP4jNLHJIMtEk=; b=fRdGgOZi0TH2FcU1iT972CmTpnuQbx12xVEd 8YsIPlRMcNtKeZUVpCNAu8E+Y8qSFksaSUUPpsFUDh9gYoQktFyVwGpUAdpxbl00 2taC0m46y4AxpZ89bDm6LBVm7nTbTnzFe8Ze5Zi0iGVzdEdmxRQESBYtgYnsF305 LxhcihY= Received: (qmail 4613 invoked by alias); 13 Sep 2017 10:47:46 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 2443 invoked by uid 89); 13 Sep 2017 10:47:44 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-24.6 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, RCVD_IN_DNSWL_NONE, SPF_HELO_PASS, SPF_PASS autolearn=ham version=3.3.2 spammy=1489, 4298 X-HELO: EUR01-VE1-obe.outbound.protection.outlook.com Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Szabolcs.Nagy@arm.com; Message-ID: <59B90CC5.6000703@arm.com> Date: Wed, 13 Sep 2017 11:47:33 +0100 From: Szabolcs Nagy User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.8.0 MIME-Version: 1.0 To: GNU C Library CC: nd@arm.com Subject: [PATCH 3/4] New expf and exp2f version without SVID compat wrapper References: <59B90BDF.7000503@arm.com> In-Reply-To: <59B90BDF.7000503@arm.com> X-ClientProxiedBy: DB6P18901CA0002.EURP189.PROD.OUTLOOK.COM (2603:10a6:4:16::12) To HE1PR0802MB2489.eurprd08.prod.outlook.com (2603:10a6:3:d8::23) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 255fb493-5c17-435d-e68c-08d4fa94d91e X-MS-Office365-Filtering-HT: Tenant X-Microsoft-Antispam: UriScan:; BCL:0; PCL:0; RULEID:(300000500095)(300135000095)(300000501095)(300135300095)(300000502095)(300135100095)(22001)(2017030254152)(48565401081)(300000503095)(300135400095)(49563074)(201703131423075)(201703031133081)(201702281549075)(300000504095)(300135200095)(300000505095)(300135600095)(300000506095)(300135500095); SRVR:HE1PR0802MB2489; X-Microsoft-Exchange-Diagnostics: 1; HE1PR0802MB2489; 3:FIiMy5yENKjCPeosSe0bDa2aGtfeXdk4KhnsydyTyLaeSiMyzUz2RIMoIbvV5FIQFSoLixre/hrQWVcQuHzd4qfr+YpNrO5YfVsJ3G6hwcNVaq7dLi7Jmnj3D0WoV7C3XZdJ+h81tCd2tkFdArpFoek2Y83Hv+aPOINnjgf4Hgrfnf8m9iZC3T93rxbiMcsFDxjmI57WFz6INP2Kmvqe1j1os78soVm0E9tzuj6abz2sb1E/yNYk+jfKZt5Pw92S; 25:ONBAQLyXZ3rx0CqFWC5FJC5yCzzaNHVzSK6Hi5QjQhb46RDP1d2G2Gi8b7qJaLQf2ZCn/lMsenDd6r3oV1VGTI+hDe16xrNICUtnto2saaHsabOEDa0tt3EMvo9H+QBwBwTwXUoDbuE8My0BYU/603Exqjvli0dt3XJTXW1p7D6kjUnzplxurl04dfPrwE+he1Jrj0nroT2JxmVCfoQ3Z1SqM/8RpeIPRnUe2Glc2QBUOSmmp4EFmyZPvYYJhDBv9ta76VkA976V5u15CHSCrBAgDXXnD3BkPkhrjj9XVnuRTeBWENsZ2jphFlaCVhTKJFDlVxhYpAQw8obshpgjCg==; 31:tJ+aeQCyDpeDww/l+LMnTLemSDmCA/ZuZFhsoTQWhF0TLWSFWw+Y2EtY342bjJVpF7Ob0kgG3K4Pbq5MLGED+tu57btIcSVIujUybRtpHVNiUvNqtIwl7wFsLMOFO7nmmDgDow/9Myh41nwKFx0fTIA/JJELAhV6sDdiO+CqTxv8bsuqoYs4/Ybqg+iMylU4eVBPSSvlyA7BbAtP1DZKR3FzYpCvNT6oCUPhsJMwOyo= X-MS-TrafficTypeDiagnostic: HE1PR0802MB2489: NoDisclaimer: True X-Microsoft-Exchange-Diagnostics: 1; HE1PR0802MB2489; 20:HplHZdEEOAhr3KuWRMkKyoCTh8/c3XqVBPvoGMi2C/bs3oHlu7AQn88ljRqJPFrcXQ5zsLOsfOH2sZFqGHuzorddNu9v0y41LjwG3UcZYaX3zJXnaZz5eEq6Xjv0cre4LxN4NFeEeJnJ7s+8urcpsZPi9+LwHmcecptCUVtyCo0=; 4:0TV1OLYSfu59m7WR/5U+2nbjv1osCbcPvdRplC68+RXAdvEl6eS4ph5PvSsHPuQfEuoHvOElSNdnpnIYpKBzvbNERWnF+dRkpvHdwm3C0Clo5fVb515vFHqYiNALbVIQ6Ho+DJhvqtcthEQ2WgTLItoJCXsymaafK80jPGwZ+toOzOinNYtwtUjMJ7ghYyr+Glv++XJydcYMpm64xtXN0xD4GnwXSkaYeI9ubotMH20FQV1MyeaxaDnvdQGjncNpk8gDiz3sywvMDtAh+3ZLxF0cZ7dzufoxg36Rk+Sgsc4= X-Exchange-Antispam-Report-Test: UriScan:(180628864354917); X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(100000700101)(100105000095)(100000701101)(100105300095)(100000702101)(100105100095)(102415395)(6040450)(2401047)(5005006)(8121501046)(93006095)(93001095)(100000703101)(100105400095)(3002001)(10201501046)(6055026)(6041248)(20161123560025)(20161123564025)(20161123562025)(201703131423075)(201702281528075)(201703061421075)(201703061406153)(20161123555025)(20161123558100)(6072148)(201708071742011)(100000704101)(100105200095)(100000705101)(100105500095); SRVR:HE1PR0802MB2489; BCL:0; PCL:0; RULEID:(100000800101)(100110000095)(100000801101)(100110300095)(100000802101)(100110100095)(100000803101)(100110400095)(100000804101)(100110200095)(100000805101)(100110500095); SRVR:HE1PR0802MB2489; X-Forefront-PRVS: 042957ACD7 X-Forefront-Antispam-Report: SFV:NSPM; SFS:(10009020)(7370300001)(4630300001)(6049001)(6009001)(39860400002)(376002)(366002)(346002)(199003)(189002)(377424004)(81156014)(5890100001)(72206003)(8676002)(84326002)(7736002)(25786009)(101416001)(81166006)(33656002)(305945005)(83506001)(478600001)(87266999)(65816999)(59896002)(2906002)(5660300001)(50986999)(76176999)(54356999)(4610100001)(106356001)(105586002)(270700001)(568964002)(4001350100001)(97736004)(68736007)(36756003)(2476003)(6916009)(2950100002)(3846002)(6666003)(6116002)(80316001)(4326008)(53936002)(316002)(16526017)(66066001)(7350300001)(77096006)(16576012)(189998001)(65806001)(86362001)(6486002)(65956001)(64126003)(110136004); DIR:OUT; SFP:1101; SCL:1; SRVR:HE1PR0802MB2489; H:[10.2.206.69]; FPR:; SPF:None; PTR:InfoNoRecords; A:1; MX:1; LANG:en; Received-SPF: None (protection.outlook.com: arm.com does not designate permitted sender hosts) X-Microsoft-Exchange-Diagnostics: 1; HE1PR0802MB2489; 23: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 X-Microsoft-Exchange-Diagnostics: 1; HE1PR0802MB2489; 6:cQFdumVwBqv4nK6LZdN88sDPKMtag/eQSepyLmd6EmYQvXOFS7N7MXTicNXIOBpuShadhGAtKD2UDAY6DL6Q2NjpJ01PZQYIHycgIxX8h1/le14HD6CR7GmbJDl/yBpqYRUnokg3Euv7L4RgBTJ5/qiQYIEo6/6Mur9kkJNb1Lo4a5zgsyKTfLXV2/2KLLuZ9YZQ2X2m3FrmFqs+zpRajrpwkqZqZutCZK0gheAsQYHM7Uj0HJVUqXJmFlygBLhSkJgxNkCtQ54m8ni49VBuuUZ39GuJjtHXGZBy9W7q58eZYneB0TYolaRddokrNISwwj4D7CjNNPgxa56/+OfGyg==; 5:MqtCwd0hjsdVvUD7X0sZINwa+ftQ1aNVyycM9cDkxCOITlyZJFe0XfFKZPPOXbpeb7F0j0/GuYkKFzIxwPhNUtegOxd93plpdD1jucv1tpSK5vTwSxJEKXmmgVa59sHou07acs9coopdrcRzmsR2zA==; 24:9wQ/mvV0o8GNqYzjO/wtYzMQI0mzs25aeYi9bSnpfLHHdlrDe6hn6BljQDiMpGNMV8h66399SEae2U+mf2U2055YF2kX6VzajTVpq0n9gQ4=; 7:yQM1rC0iyGEhP//uXUcw30c6P6A3W3zP1qAMDjFjvQJwTjmYm59EZP5OkUCWPHnp7r4i2NslNn7nDldUNSxVyoctzcMLscUr5v0CU6Tc/VsIGmVBMwHdvkgGelGcuDFi5vrqkpjsJHfRwId5AaYfFaXWFIliqTwm/kynRjQI3NSOs10L4uyCDyt1WyIVxsdHJy86jT82Ygi0CSH63zV9i2z8Dckr9+CK6KW+0r6wjM8= SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Sep 2017 10:47:36.7273 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: HE1PR0802MB2489 This patch changes the expf and exp2f error handling semantics to only set errno accoring to POSIX rules. New symbol version is introduced at GLIBC_2.27. The old wrappers are kept for compat symbols (with GLIBC_2_0 version and unchanged error semantics). Internal calls to __expf now get the new error semantics, this seems to only affect sysdeps/i386/fpu/s_expm1f.S where the errno-only behaviour should be correct. All linux libm abilists are updated (even ones where i could not build a working toolchain). 2017-09-13 Szabolcs Nagy * math/Versions (expf): New libm symbol at GLIBC_2.27. (exp2f): Likewise. * math/w_exp2f.c: New file. * math/w_expf.c: New file. * math/w_exp2f_compat.c (__exp2f_compat): For compat symbol only. * math/w_expf_compat.c (__expf_compat): Likewise. * sysdeps/unix/sysv/linux/aarch64/libm.abilist: Update. * sysdeps/unix/sysv/linux/alpha/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/arm/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/hppa/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/i386/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/ia64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/microblaze/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/mips/mips64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/nios2/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist: Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sh/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/64/libm.abilist: Likewise. * sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist: Likewise. From f108f9ef952e9b46f89da762794b7220d34fa927 Mon Sep 17 00:00:00 2001 From: Szabolcs Nagy Date: Tue, 12 Sep 2017 12:20:50 +0100 Subject: [PATCH 3/4] errno-only --- math/Versions | 3 +++ math/w_exp2f.c | 7 +++++++ math/w_exp2f_compat.c | 6 +++--- math/w_expf.c | 7 +++++++ math/w_expf_compat.c | 7 +++---- sysdeps/unix/sysv/linux/aarch64/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/alpha/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/arm/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/hppa/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/i386/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/ia64/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/microblaze/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/mips/mips32/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/mips/mips64/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/nios2/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist | 3 +++ sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/sh/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/x86_64/64/libm.abilist | 3 +++ sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist | 3 +++ 31 files changed, 101 insertions(+), 7 deletions(-) create mode 100644 math/w_exp2f.c create mode 100644 math/w_expf.c diff --git a/math/Versions b/math/Versions index e409de0681..380f6a2a1a 100644 --- a/math/Versions +++ b/math/Versions @@ -229,4 +229,7 @@ libm { fromfp; fromfpf; fromfpl; ufromfp; ufromfpf; ufromfpl; fromfpx; fromfpxf; fromfpxl; ufromfpx; ufromfpxf; ufromfpxl; } + GLIBC_2.27 { + expf; exp2f; + } } diff --git a/math/w_exp2f.c b/math/w_exp2f.c new file mode 100644 index 0000000000..948d745dab --- /dev/null +++ b/math/w_exp2f.c @@ -0,0 +1,7 @@ +#include +#undef __USE_WRAPPER_TEMPLATE +#define __USE_WRAPPER_TEMPLATE 1 +#undef declare_mgen_alias +#define declare_mgen_alias(a, b) +#include +versioned_symbol (libm, __exp2f, exp2f, GLIBC_2_27); diff --git a/math/w_exp2f_compat.c b/math/w_exp2f_compat.c index b058daed30..6ab6f6c6de 100644 --- a/math/w_exp2f_compat.c +++ b/math/w_exp2f_compat.c @@ -6,9 +6,9 @@ #include #include -#if LIBM_SVID_COMPAT +#if LIBM_SVID_COMPAT && SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_27) float -__exp2f (float x) +__exp2f_compat (float x) { float z = __ieee754_exp2f (x); if (__builtin_expect (!isfinite (z) || z == 0, 0) @@ -18,5 +18,5 @@ __exp2f (float x) return z; } -weak_alias (__exp2f, exp2f) +compat_symbol (libm, __exp2f_compat, exp2f, GLIBC_2_1); #endif diff --git a/math/w_expf.c b/math/w_expf.c new file mode 100644 index 0000000000..6d5f03c5f9 --- /dev/null +++ b/math/w_expf.c @@ -0,0 +1,7 @@ +#include +#undef __USE_WRAPPER_TEMPLATE +#define __USE_WRAPPER_TEMPLATE 1 +#undef declare_mgen_alias +#define declare_mgen_alias(a, b) +#include +versioned_symbol (libm, __expf, expf, GLIBC_2_27); diff --git a/math/w_expf_compat.c b/math/w_expf_compat.c index a38ff4082d..2512498bb3 100644 --- a/math/w_expf_compat.c +++ b/math/w_expf_compat.c @@ -20,10 +20,10 @@ #include #include -#if LIBM_SVID_COMPAT +#if LIBM_SVID_COMPAT && SHLIB_COMPAT (libm, GLIBC_2_0, GLIBC_2_27) /* wrapper expf */ float -__expf (float x) +__expf_compat (float x) { float z = __ieee754_expf (x); if (__builtin_expect (!isfinite (z) || z == 0, 0) @@ -32,6 +32,5 @@ __expf (float x) return z; } -hidden_def (__expf) -weak_alias (__expf, expf) +compat_symbol (libm, __expf_compat, expf, GLIBC_2_0); #endif diff --git a/sysdeps/unix/sysv/linux/aarch64/libm.abilist b/sysdeps/unix/sysv/linux/aarch64/libm.abilist index 6266864ea7..10102eeaff 100644 --- a/sysdeps/unix/sysv/linux/aarch64/libm.abilist +++ b/sysdeps/unix/sysv/linux/aarch64/libm.abilist @@ -460,3 +460,6 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F diff --git a/sysdeps/unix/sysv/linux/alpha/libm.abilist b/sysdeps/unix/sysv/linux/alpha/libm.abilist index 0dc44afd77..e09a115aa9 100644 --- a/sysdeps/unix/sysv/linux/alpha/libm.abilist +++ b/sysdeps/unix/sysv/linux/alpha/libm.abilist @@ -470,6 +470,9 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.3.4 GLIBC_2.3.4 A GLIBC_2.3.4 __c1_cabsf F GLIBC_2.3.4 __c1_cacosf F diff --git a/sysdeps/unix/sysv/linux/arm/libm.abilist b/sysdeps/unix/sysv/linux/arm/libm.abilist index d0c33d2a11..8095876449 100644 --- a/sysdeps/unix/sysv/linux/arm/libm.abilist +++ b/sysdeps/unix/sysv/linux/arm/libm.abilist @@ -117,6 +117,9 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.4 GLIBC_2.4 A GLIBC_2.4 _LIB_VERSION D 0x4 GLIBC_2.4 __clog10 F diff --git a/sysdeps/unix/sysv/linux/hppa/libm.abilist b/sysdeps/unix/sysv/linux/hppa/libm.abilist index 80fd4ada99..19d40ef50d 100644 --- a/sysdeps/unix/sysv/linux/hppa/libm.abilist +++ b/sysdeps/unix/sysv/linux/hppa/libm.abilist @@ -429,5 +429,8 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.4 GLIBC_2.4 A GLIBC_2.4 exp2l F diff --git a/sysdeps/unix/sysv/linux/i386/libm.abilist b/sysdeps/unix/sysv/linux/i386/libm.abilist index 2aef7e5aed..791fba28e5 100644 --- a/sysdeps/unix/sysv/linux/i386/libm.abilist +++ b/sysdeps/unix/sysv/linux/i386/libm.abilist @@ -611,4 +611,7 @@ GLIBC_2.26 ufromfpxf128 F GLIBC_2.26 y0f128 F GLIBC_2.26 y1f128 F GLIBC_2.26 ynf128 F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.4 GLIBC_2.4 A diff --git a/sysdeps/unix/sysv/linux/ia64/libm.abilist b/sysdeps/unix/sysv/linux/ia64/libm.abilist index f165eb3957..65a0fbe56a 100644 --- a/sysdeps/unix/sysv/linux/ia64/libm.abilist +++ b/sysdeps/unix/sysv/linux/ia64/libm.abilist @@ -540,4 +540,7 @@ GLIBC_2.26 ufromfpxf128 F GLIBC_2.26 y0f128 F GLIBC_2.26 y1f128 F GLIBC_2.26 ynf128 F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.4 GLIBC_2.4 A diff --git a/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist b/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist index d0c33d2a11..8095876449 100644 --- a/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist +++ b/sysdeps/unix/sysv/linux/m68k/coldfire/libm.abilist @@ -117,6 +117,9 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.4 GLIBC_2.4 A GLIBC_2.4 _LIB_VERSION D 0x4 GLIBC_2.4 __clog10 F diff --git a/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist b/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist index f3de018cd9..5e692dda7b 100644 --- a/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist +++ b/sysdeps/unix/sysv/linux/m68k/m680x0/libm.abilist @@ -471,4 +471,7 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.4 GLIBC_2.4 A diff --git a/sysdeps/unix/sysv/linux/microblaze/libm.abilist b/sysdeps/unix/sysv/linux/microblaze/libm.abilist index bb872f292a..65f1d5b451 100644 --- a/sysdeps/unix/sysv/linux/microblaze/libm.abilist +++ b/sysdeps/unix/sysv/linux/microblaze/libm.abilist @@ -428,3 +428,6 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F diff --git a/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist b/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist index 000c011495..c32ea5b96a 100644 --- a/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips32/libm.abilist @@ -430,6 +430,9 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.4 GLIBC_2.4 A GLIBC_2.4 exp2l F _gp_disp _gp_disp A diff --git a/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist b/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist index b9599fee34..18b2aa2404 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist +++ b/sysdeps/unix/sysv/linux/mips/mips64/libm.abilist @@ -462,4 +462,7 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.4 GLIBC_2.4 A diff --git a/sysdeps/unix/sysv/linux/nios2/libm.abilist b/sysdeps/unix/sysv/linux/nios2/libm.abilist index c858ed5907..e492a68e9d 100644 --- a/sysdeps/unix/sysv/linux/nios2/libm.abilist +++ b/sysdeps/unix/sysv/linux/nios2/libm.abilist @@ -428,3 +428,6 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist index 13ea493ac8..ad8f0372f4 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/libm.abilist @@ -473,6 +473,9 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.4 GLIBC_2.4 A GLIBC_2.4 __clog10l F GLIBC_2.4 __finitel F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist index ff6dc7a361..9c26b5b809 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/libm.abilist @@ -472,6 +472,9 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.4 GLIBC_2.4 A GLIBC_2.4 __clog10l F GLIBC_2.4 __finitel F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist index d79cb99325..8e36699f28 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm-le.abilist @@ -605,3 +605,6 @@ GLIBC_2.26 ufromfpxf128 F GLIBC_2.26 y0f128 F GLIBC_2.26 y1f128 F GLIBC_2.26 ynf128 F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist index afd381791a..9ca0c3ccfc 100644 --- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist +++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/libm.abilist @@ -148,6 +148,9 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.3 GLIBC_2.3 A GLIBC_2.3 _LIB_VERSION D 0x4 GLIBC_2.3 __clog10 F diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist b/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist index 604dff18d4..8a79f0137f 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-32/libm.abilist @@ -460,6 +460,9 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.4 GLIBC_2.4 A GLIBC_2.4 __clog10l F GLIBC_2.4 __finitel F diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist b/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist index b56701e350..df81853618 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist +++ b/sysdeps/unix/sysv/linux/s390/s390-64/libm.abilist @@ -458,6 +458,9 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.4 GLIBC_2.4 A GLIBC_2.4 __clog10l F GLIBC_2.4 __finitel F diff --git a/sysdeps/unix/sysv/linux/sh/libm.abilist b/sysdeps/unix/sysv/linux/sh/libm.abilist index 6b24852b68..6b6a42dc9c 100644 --- a/sysdeps/unix/sysv/linux/sh/libm.abilist +++ b/sysdeps/unix/sysv/linux/sh/libm.abilist @@ -429,5 +429,8 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.4 GLIBC_2.4 A GLIBC_2.4 exp2l F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist b/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist index 61042ba147..24d67d22e1 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc32/libm.abilist @@ -464,6 +464,9 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.4 GLIBC_2.4 A GLIBC_2.4 __clog10l F GLIBC_2.4 __finitel F diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist b/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist index d071835880..2fdccc0de3 100644 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist +++ b/sysdeps/unix/sysv/linux/sparc/sparc64/libm.abilist @@ -461,4 +461,7 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.4 GLIBC_2.4 A diff --git a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist index 0059c27fa2..98bc348f91 100644 --- a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist +++ b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx32/libm.abilist @@ -429,3 +429,6 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F diff --git a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist index 0059c27fa2..98bc348f91 100644 --- a/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist +++ b/sysdeps/unix/sysv/linux/tile/tilegx/tilegx64/libm.abilist @@ -429,3 +429,6 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F diff --git a/sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist b/sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist index 0059c27fa2..98bc348f91 100644 --- a/sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist +++ b/sysdeps/unix/sysv/linux/tile/tilepro/libm.abilist @@ -429,3 +429,6 @@ GLIBC_2.25 ufromfpl F GLIBC_2.25 ufromfpx F GLIBC_2.25 ufromfpxf F GLIBC_2.25 ufromfpxl F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F diff --git a/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist b/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist index 44473c2cbe..e6fd3fe3df 100644 --- a/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/64/libm.abilist @@ -600,4 +600,7 @@ GLIBC_2.26 ufromfpxf128 F GLIBC_2.26 y0f128 F GLIBC_2.26 y1f128 F GLIBC_2.26 ynf128 F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F GLIBC_2.4 GLIBC_2.4 A diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist b/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist index cc19a73112..afa7b98697 100644 --- a/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist +++ b/sysdeps/unix/sysv/linux/x86_64/x32/libm.abilist @@ -599,3 +599,6 @@ GLIBC_2.26 ufromfpxf128 F GLIBC_2.26 y0f128 F GLIBC_2.26 y1f128 F GLIBC_2.26 ynf128 F +GLIBC_2.27 GLIBC_2.27 A +GLIBC_2.27 exp2f F +GLIBC_2.27 expf F -- 2.11.0 From patchwork Wed Sep 13 10:48:47 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Szabolcs Nagy X-Patchwork-Id: 813340 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=sourceware.org (client-ip=209.132.180.131; helo=sourceware.org; envelope-from=libc-alpha-return-84543-incoming=patchwork.ozlabs.org@sourceware.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; secure) header.d=sourceware.org header.i=@sourceware.org header.b="xujUiZaH"; dkim-atps=neutral Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3xsdgy6lh1z9s4s for ; Wed, 13 Sep 2017 20:49:02 +1000 (AEST) DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:message-id:date:from:mime-version:to:cc :subject:references:in-reply-to:content-type; q=dns; s=default; b= h2vTJLsR4mkMMhsPRh7WV0/gR5S/P151snBS4EwfjgKKnUkiL4l/HMMlUBSgCGq6 OcLTwAlykmEB0tLIEl8f0pbhZqPSesehVubMy/Uje2uGNOuIIAPMYRxCMLmzaFy7 DdxB8PWfj9skOhWFZ5fxuSfJKA9nkhWanKJ5S/LQju4= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:message-id:date:from:mime-version:to:cc :subject:references:in-reply-to:content-type; s=default; bh=mXPW SZm0LuxYhn5ztNVFjQJQwyI=; b=xujUiZaH3sexrVxDnzhGltkapw4b89r7NXyN 42JnQ2hGWqpN832kMOCiOqvkLDNzY4WIiVvOVZftrxYMxYsWRGYzR4BaZHNuaw3J mRVmLE5tIKCQF72EdPr/9/XTEUxiPHxzKfnChQWUv58rPN2FdO9EEDaQGviR3MkC HNHH44o= Received: (qmail 55117 invoked by alias); 13 Sep 2017 10:48:55 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Delivered-To: mailing list libc-alpha@sourceware.org Received: (qmail 54819 invoked by uid 89); 13 Sep 2017 10:48:54 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-24.6 required=5.0 tests=AWL, BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, RCVD_IN_DNSWL_NONE, SPF_HELO_PASS, SPF_PASS autolearn=ham version=3.3.2 spammy=HX-ClientProxiedBy:sk:DB6PR02 X-HELO: EUR01-DB5-obe.outbound.protection.outlook.com Authentication-Results: spf=none (sender IP is ) smtp.mailfrom=Szabolcs.Nagy@arm.com; Message-ID: <59B90D0F.1000207@arm.com> Date: Wed, 13 Sep 2017 11:48:47 +0100 From: Szabolcs Nagy User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.8.0 MIME-Version: 1.0 To: GNU C Library CC: nd@arm.com Subject: [PATCH 4/4] Do not wrap expf and exp2f References: <59B90BDF.7000503@arm.com> In-Reply-To: <59B90BDF.7000503@arm.com> X-ClientProxiedBy: DB6PR0201CA0015.eurprd02.prod.outlook.com (2603:10a6:4:3f::25) To DB6PR0802MB2485.eurprd08.prod.outlook.com (2603:10a6:4:9b::23) X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 8a570e6f-57cd-4e71-d786-08d4fa950484 X-MS-Office365-Filtering-HT: Tenant X-Microsoft-Antispam: UriScan:; BCL:0; PCL:0; RULEID:(300000500095)(300135000095)(300000501095)(300135300095)(300000502095)(300135100095)(22001)(2017030254152)(48565401081)(300000503095)(300135400095)(49563074)(201703131423075)(201703031133081)(201702281549075)(300000504095)(300135200095)(300000505095)(300135600095)(300000506095)(300135500095); SRVR:DB6PR0802MB2485; X-Microsoft-Exchange-Diagnostics: 1; DB6PR0802MB2485; 3:wLOq2hW3I43bFMhwCqlx//uMEwXdkRQPzT6nlKiDDeQ1B23Ji3ihiEfX5TSrnGyWoTkHwIFak+BWWYtGM9NlxzVJpSmk3zyqbX+/P9yZs7DRSwhba6zf8D+jy9PbJuqNfcxb+nV/0go/wLyBbeIj+9chOSXjrsRRic3GkldJkpkzuv7TgICHYmMbNfrpkZ5TDV57iHxiUPSr+zLj8+enkJmOhm7+q7PrIymQMAfA/FkJFtiG/xgafKuILHHEZlGN; 25:z+vk4qduQhKyTuPfSO1rodSio7OY9LOCX62h5REWqcl1fJMVrer7SbzItXtfq/h0nwC5XReud6tZsWUL0d55vv5PBLy2tj1pfsuCQjguRZKgk6YbfXGtUPUTQ7OthXYfJ6ZurV91GaSyEJBtx+8JQREAz8bIEWL5UkYnZiO8A49iz20xO2eQn0b8txnDeLqFUArY/Liu74L+9/UOpXTWdZqrV4RY1crT7JK7B2scaoV2vHSmMZVKejoA9OHLgOny8Gm59edVeepTbp0ZkgUUa4cZFEmjlkneBPo4KUkFp9vP8v1emrYkUW3qb9Jc1TfHSkgmrnArp2lLmwPMIgJzmw==; 31:a3/3sUbK50DV8M8tqAGYCFd6z3bDKMoa6XhW/AjdGI2Al9QyqYkpU/v9V4AJBe5IVNLlcZoZEd9Y8UGcuwEhxSds6tCctxUjc0HTRc8uB5cSnwTEXxpwRYZxToBdEiQwoSi1BcIFtB8Fn7Vw02TMejngFi6ifKWUAnn3FfwpMxz6AxW6NR6rSLl3mZpj9zUZL4ps6N7wWops013T7evJczWmfUIGOfmeJG6blPYPFeQ= X-MS-TrafficTypeDiagnostic: DB6PR0802MB2485: NoDisclaimer: True X-Microsoft-Exchange-Diagnostics: 1; DB6PR0802MB2485; 20:MkcwngLFXb/19ad7F6GLSeKqk+YTLYBGrKndnAZaYETalQ9KRAq29kP+B1VkpKwt+iyaq9dXZnuoNewKO8fVs/grzWRoVy3x8MR8EFIq+OuS/OsSLjtY5VZN4t7ep/zxgRflUKzvJ2ZB5HD2JvCX6PHAcQLdy7nqXj9Mg43HWsI=; 4:0PTccCbIGKM+lUSpeaFNy3NxbmwM81FF7WY6o2WJoVckbgJ+gf8+KDdWzedwknP94KQOo2WXSZjXd2YasG6QMf6297RjGpZNKDiCwcDOON/I2akyOHMmBCmaa25QIl8LUMcf3JHjy1VeHQhTbsRMh6fIrpQm0lWjn960AM9gIkwWr9h9iGCX8jismbqvH5C6DLJ3FJ7oo8+AnFh/kiVdhDfM1h9j0WpxX+rQSyb+5TGTAloFzhRIGp0WiMn7sgkgN5e5D1vt/Rax362L05zmefd7DyfY87i9sUIPAZmqemo= X-Exchange-Antispam-Report-Test: UriScan:(180628864354917); X-Microsoft-Antispam-PRVS: X-Exchange-Antispam-Report-CFA-Test: BCL:0; PCL:0; RULEID:(100000700101)(100105000095)(100000701101)(100105300095)(100000702101)(100105100095)(102415395)(6040450)(2401047)(8121501046)(5005006)(93006095)(93001095)(100000703101)(100105400095)(10201501046)(3002001)(6055026)(6041248)(20161123558100)(201703131423075)(201702281528075)(201703061421075)(201703061406153)(20161123560025)(20161123564025)(20161123555025)(20161123562025)(6072148)(201708071742011)(100000704101)(100105200095)(100000705101)(100105500095); SRVR:DB6PR0802MB2485; BCL:0; PCL:0; RULEID:(100000800101)(100110000095)(100000801101)(100110300095)(100000802101)(100110100095)(100000803101)(100110400095)(100000804101)(100110200095)(100000805101)(100110500095); SRVR:DB6PR0802MB2485; X-Forefront-PRVS: 042957ACD7 X-Forefront-Antispam-Report: SFV:NSPM; SFS:(10009020)(4630300001)(7370300001)(6009001)(6049001)(346002)(366002)(376002)(39860400002)(189002)(377424004)(199003)(87266999)(68736007)(54356999)(33656002)(80316001)(189998001)(65816999)(77096006)(76176999)(270700001)(50986999)(105586002)(64126003)(6486002)(568964002)(7350300001)(5660300001)(86362001)(4610100001)(59896002)(53936002)(97736004)(4001350100001)(4326008)(316002)(2906002)(65806001)(72206003)(478600001)(65956001)(66066001)(110136004)(8676002)(101416001)(36756003)(6916009)(106356001)(81156014)(16576012)(81166006)(84326002)(7736002)(25786009)(83506001)(3846002)(2476003)(16526017)(305945005)(5890100001)(6116002)(2950100002); DIR:OUT; SFP:1101; SCL:1; SRVR:DB6PR0802MB2485; H:[10.2.206.69]; FPR:; SPF:None; PTR:InfoNoRecords; MX:1; A:1; LANG:en; Received-SPF: None (protection.outlook.com: arm.com does not designate permitted sender hosts) X-Microsoft-Exchange-Diagnostics: 1; DB6PR0802MB2485; 23: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 X-Microsoft-Exchange-Diagnostics: 1; DB6PR0802MB2485; 6:jYYmVViZhDfOH7SZJSoiMc5Mee2355Q2YUZkIujo8Z5iY4wSooEWkKV56jiIrDaBXOg3Jd50X34YqiJ3qplLpCSOE2JKDQBal5DBB6GDvFSHXzERYo8akX5Ur3oWKQiho1N8bGoUT2m6ExP6TEgCTN3SvUbzK18iuWdnTMSDFNtnwmkdP+AhHg4bHdjMCcmrldfhaV11T4sU8pPCRVH9Ow0NO6g8mROcu9NgGumgFBDwE/DhR13qPMlnYRXl7I4G2zTMxCwHryC9cDOdU30Lxc0f9DDJuLFINZoJxWBgWs3oWlfzSBnef0vyYKeSUOAyUcV9LV62jKOJgFr7bFwNVA==; 5:Mvrz5cWjeWKKQlyxRa0GAug3gFSetW8uxdi1MYqKUzTyHulngPsM8kRo8Zd9T3FJyRVZH2R8r/WToRZN6jaW9d462mlgMdzyKgqfwh6vtb2oigKHVmvb5c16DxtveeHRhQDFPAHmrINnIXESiAwgnQ==; 24:TJ2fAtdQq2a6/mEZssNpQXu54BGMxCnWuw0S93pOPmnWPrA8EH9rvRUOa3ZqQXd0wV+RiaWVD6NUzDIf/bgcWyAt+4xiPhDaMBlUvmMDtng=; 7:VjtAFQTzQnfkRtTHerttCqH5aItcJG9ZQkK7/knwoOOYC4PxSagMN3M9dxw1OIQVgjqy/czNMrmKa27+eei3PCFN5NAHjbrPifAsKGlKy88zpdnAjeW/llliC4YheV7PstkrIGBLJXSOWSK90GEPJmX+NtV6bhcz4bLZzhlZnJIiuNAJdqYKKydudwKVd8DRXdiSveLRR6JAhD5UgN1WBllvLkrBPOrUsjCEXGoD6Fo= SpamDiagnosticOutput: 1:99 SpamDiagnosticMetadata: NSPM X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 13 Sep 2017 10:48:49.7405 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB6PR0802MB2485 The new generic expf and exp2f code don't need wrappers any more, they set errno inline, so only use the wrappers on targets that need it. (The top level wrapper code is included into sysdeps dirs where the wrapper is needed and empty w_exp*f.c where the wrapper is suppressed). A powerpc64 expf implementation includes the expf c code directly which needed some changes. 2017-09-13 Szabolcs Nagy * sysdeps/ieee754/flt-32/e_exp2f.c (__exp2f): Define without wrapper. * sysdeps/ieee754/flt-32/e_expf.c (__expf): Likewise * sysdeps/ieee754/flt-32/w_exp2f.c: New file. * sysdeps/ieee754/flt-32/w_expf.c: New file. * sysdeps/powerpc/powerpc64/fpu/multiarch/e_expf-ppc64.c: Update for the new expf code. * sysdeps/powerpc/powerpc64/fpu/multiarch/w_expf.c: New file. * sysdeps/m68k/m680x0/fpu/w_expf.c: New file. * sysdeps/i386/fpu/w_exp2f.c: New file. * sysdeps/i386/fpu/w_expf.c: New file. * sysdeps/i386/i686/fpu/multiarch/w_expf.c: New file. * sysdeps/x86_64/fpu/w_expf.c: New file. From ba8143da8b2d0a25e1c4ed42704d46a720ebc3e1 Mon Sep 17 00:00:00 2001 From: Szabolcs Nagy Date: Tue, 12 Sep 2017 12:44:18 +0100 Subject: [PATCH 4/4] no wrapper --- sysdeps/i386/fpu/w_exp2f.c | 1 + sysdeps/i386/fpu/w_expf.c | 1 + sysdeps/i386/i686/fpu/multiarch/w_expf.c | 1 + sysdeps/ieee754/flt-32/e_exp2f.c | 7 +++++-- sysdeps/ieee754/flt-32/e_expf.c | 8 ++++++-- sysdeps/ieee754/flt-32/w_exp2f.c | 1 + sysdeps/ieee754/flt-32/w_expf.c | 1 + sysdeps/m68k/m680x0/fpu/w_expf.c | 1 + sysdeps/powerpc/powerpc64/fpu/multiarch/e_expf-ppc64.c | 7 ++++++- sysdeps/powerpc/powerpc64/fpu/multiarch/w_expf.c | 1 + sysdeps/x86_64/fpu/w_expf.c | 1 + 11 files changed, 25 insertions(+), 5 deletions(-) create mode 100644 sysdeps/i386/fpu/w_exp2f.c create mode 100644 sysdeps/i386/fpu/w_expf.c create mode 100644 sysdeps/i386/i686/fpu/multiarch/w_expf.c create mode 100644 sysdeps/ieee754/flt-32/w_exp2f.c create mode 100644 sysdeps/ieee754/flt-32/w_expf.c create mode 100644 sysdeps/m68k/m680x0/fpu/w_expf.c create mode 100644 sysdeps/powerpc/powerpc64/fpu/multiarch/w_expf.c create mode 100644 sysdeps/x86_64/fpu/w_expf.c diff --git a/sysdeps/i386/fpu/w_exp2f.c b/sysdeps/i386/fpu/w_exp2f.c new file mode 100644 index 0000000000..4418f8bed5 --- /dev/null +++ b/sysdeps/i386/fpu/w_exp2f.c @@ -0,0 +1 @@ +#include diff --git a/sysdeps/i386/fpu/w_expf.c b/sysdeps/i386/fpu/w_expf.c new file mode 100644 index 0000000000..b471bccdb1 --- /dev/null +++ b/sysdeps/i386/fpu/w_expf.c @@ -0,0 +1 @@ +#include diff --git a/sysdeps/i386/i686/fpu/multiarch/w_expf.c b/sysdeps/i386/i686/fpu/multiarch/w_expf.c new file mode 100644 index 0000000000..b471bccdb1 --- /dev/null +++ b/sysdeps/i386/i686/fpu/multiarch/w_expf.c @@ -0,0 +1 @@ +#include diff --git a/sysdeps/ieee754/flt-32/e_exp2f.c b/sysdeps/ieee754/flt-32/e_exp2f.c index be53e5c699..7a3c5fdcff 100644 --- a/sysdeps/ieee754/flt-32/e_exp2f.c +++ b/sysdeps/ieee754/flt-32/e_exp2f.c @@ -18,6 +18,7 @@ #include #include +#include #include "math_config.h" /* @@ -42,7 +43,7 @@ top12 (float x) } float -__ieee754_exp2f (float x) +__exp2f (float x) { uint32_t abstop; uint64_t ki, t; @@ -85,4 +86,6 @@ __ieee754_exp2f (float x) y = y * s; return (float) y; } -strong_alias (__ieee754_exp2f, __exp2f_finite) +strong_alias (__exp2f, __ieee754_exp2f) +strong_alias (__exp2f, __exp2f_finite) +versioned_symbol (libm, __exp2f, exp2f, GLIBC_2_27); diff --git a/sysdeps/ieee754/flt-32/e_expf.c b/sysdeps/ieee754/flt-32/e_expf.c index b8244a82cf..8a38c2a0c6 100644 --- a/sysdeps/ieee754/flt-32/e_expf.c +++ b/sysdeps/ieee754/flt-32/e_expf.c @@ -18,6 +18,7 @@ #include #include +#include #include "math_config.h" /* @@ -42,7 +43,7 @@ top12 (float x) } float -__ieee754_expf (float x) +__expf (float x) { uint32_t abstop; uint64_t ki, t; @@ -99,4 +100,7 @@ __ieee754_expf (float x) y = y * s; return (float) y; } -strong_alias (__ieee754_expf, __expf_finite) +hidden_def (__expf) +strong_alias (__expf, __ieee754_expf) +strong_alias (__expf, __expf_finite) +versioned_symbol (libm, __expf, expf, GLIBC_2_27); diff --git a/sysdeps/ieee754/flt-32/w_exp2f.c b/sysdeps/ieee754/flt-32/w_exp2f.c new file mode 100644 index 0000000000..1cc8931700 --- /dev/null +++ b/sysdeps/ieee754/flt-32/w_exp2f.c @@ -0,0 +1 @@ +/* Not needed. */ diff --git a/sysdeps/ieee754/flt-32/w_expf.c b/sysdeps/ieee754/flt-32/w_expf.c new file mode 100644 index 0000000000..1cc8931700 --- /dev/null +++ b/sysdeps/ieee754/flt-32/w_expf.c @@ -0,0 +1 @@ +/* Not needed. */ diff --git a/sysdeps/m68k/m680x0/fpu/w_expf.c b/sysdeps/m68k/m680x0/fpu/w_expf.c new file mode 100644 index 0000000000..b471bccdb1 --- /dev/null +++ b/sysdeps/m68k/m680x0/fpu/w_expf.c @@ -0,0 +1 @@ +#include diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/e_expf-ppc64.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/e_expf-ppc64.c index b236290ea2..cc23f06fb1 100644 --- a/sysdeps/powerpc/powerpc64/fpu/multiarch/e_expf-ppc64.c +++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/e_expf-ppc64.c @@ -16,9 +16,14 @@ License along with the GNU C Library; if not, see . */ +#include #undef strong_alias #define strong_alias(a, b) +#undef hidden_def +#define hidden_def(a) +#undef versioned_symbol +#define versioned_symbol(a, b, c, d) -#define __ieee754_expf __ieee754_expf_ppc64 +#define __expf __ieee754_expf_ppc64 #include diff --git a/sysdeps/powerpc/powerpc64/fpu/multiarch/w_expf.c b/sysdeps/powerpc/powerpc64/fpu/multiarch/w_expf.c new file mode 100644 index 0000000000..b471bccdb1 --- /dev/null +++ b/sysdeps/powerpc/powerpc64/fpu/multiarch/w_expf.c @@ -0,0 +1 @@ +#include diff --git a/sysdeps/x86_64/fpu/w_expf.c b/sysdeps/x86_64/fpu/w_expf.c new file mode 100644 index 0000000000..b471bccdb1 --- /dev/null +++ b/sysdeps/x86_64/fpu/w_expf.c @@ -0,0 +1 @@ +#include -- 2.11.0