11dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/*- 21dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Copyright (c) 2004-2005 David Schultz <das@FreeBSD.ORG> 31dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * All rights reserved. 41dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 51dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Redistribution and use in source and binary forms, with or without 61dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * modification, are permitted provided that the following conditions 71dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * are met: 81dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 1. Redistributions of source code must retain the above copyright 91dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer. 101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 2. Redistributions in binary form must reproduce the above copyright 111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * notice, this list of conditions and the following disclaimer in the 121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * documentation and/or other materials provided with the distribution. 131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * SUCH DAMAGE. 251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * $FreeBSD: src/lib/msun/sparc64/fenv.h,v 1.3 2005/03/16 19:03:46 das Exp $ 271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#ifndef _FENV_H_ 301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define _FENV_H_ 311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#include <sys/_types.h> 331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 341dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projecttypedef __uint64_t fenv_t; 351dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projecttypedef __uint64_t fexcept_t; 361dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 371dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* Exception flags */ 381dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FE_INVALID 0x00000200 391dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FE_DIVBYZERO 0x00000040 401dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FE_OVERFLOW 0x00000100 411dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FE_UNDERFLOW 0x00000080 421dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FE_INEXACT 0x00000020 431dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FE_ALL_EXCEPT (FE_DIVBYZERO | FE_INEXACT | \ 441dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW) 451dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 461dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 471dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * Rounding modes 481dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * 491dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * We can't just use the hardware bit values here, because that would 501dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * make FE_UPWARD and FE_DOWNWARD negative, which is not allowed. 511dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 521dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FE_TONEAREST 0x0 531dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FE_TOWARDZERO 0x1 541dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FE_UPWARD 0x2 551dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FE_DOWNWARD 0x3 561dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define _ROUND_MASK (FE_TONEAREST | FE_DOWNWARD | \ 571dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project FE_UPWARD | FE_TOWARDZERO) 581dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define _ROUND_SHIFT 30 591dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 601dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__BEGIN_DECLS 611dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 621dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* Default floating-point environment */ 631dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectextern const fenv_t __fe_dfl_env; 641dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define FE_DFL_ENV (&__fe_dfl_env) 651dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 661dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* We need to be able to map status flag positions to mask flag positions */ 671dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define _FPUSW_SHIFT 18 681dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define _ENABLE_MASK (FE_ALL_EXCEPT << _FPUSW_SHIFT) 691dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 701dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __ldxfsr(__r) __asm __volatile("ldx %0, %%fsr" : : "m" (__r)) 711dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#define __stxfsr(__r) __asm __volatile("stx %%fsr, %0" : "=m" (*(__r))) 721dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 731dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline int 741dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectfeclearexcept(int __excepts) 751dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 761dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project fexcept_t __r; 771dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 781dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __stxfsr(&__r); 791dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __r &= ~__excepts; 801dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __ldxfsr(__r); 811dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return (0); 821dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 831dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 841dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline int 851dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectfegetexceptflag(fexcept_t *__flagp, int __excepts) 861dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 871dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project fexcept_t __r; 881dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 891dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __stxfsr(&__r); 901dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *__flagp = __r & __excepts; 911dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return (0); 921dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 931dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 941dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline int 951dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectfesetexceptflag(const fexcept_t *__flagp, int __excepts) 961dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 971dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project fexcept_t __r; 981dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 991dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __stxfsr(&__r); 1001dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __r &= ~__excepts; 1011dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __r |= *__flagp & __excepts; 1021dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __ldxfsr(__r); 1031dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return (0); 1041dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 1051dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1061dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project/* 1071dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * In contrast with the ia64 platform, it seems to be worthwhile to 1081dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * inline this function on sparc64 even when the arguments are not 1091dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * compile-time constants. Perhaps this depends on the register window. 1101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 1111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline int 1121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectferaiseexcept(int __excepts) 1131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 1141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project volatile double d; 1151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project /* 1171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * With a compiler that supports the FENV_ACCESS pragma 1181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * properly, simple expressions like '0.0 / 0.0' should 1191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * be sufficient to generate traps. Unfortunately, we 1201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * need to bring a volatile variable into the equation 1211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project * to prevent incorrect optimizations. 1221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project */ 1231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project if (__excepts & FE_INVALID) { 1241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project d = 0.0; 1251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project d = 0.0 / d; 1261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project } 1271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project if (__excepts & FE_DIVBYZERO) { 1281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project d = 0.0; 1291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project d = 1.0 / d; 1301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project } 1311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project if (__excepts & FE_OVERFLOW) { 1321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project d = 0x1.ffp1023; 1331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project d *= 2.0; 1341dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project } 1351dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project if (__excepts & FE_UNDERFLOW) { 1361dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project d = 0x1p-1022; 1371dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project d /= 0x1p1023; 1381dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project } 1391dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project if (__excepts & FE_INEXACT) { 1401dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project d = 0x1p-1022; 1411dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project d += 1.0; 1421dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project } 1431dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return (0); 1441dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 1451dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1461dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline int 1471dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectfetestexcept(int __excepts) 1481dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 1491dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project fexcept_t __r; 1501dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1511dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __stxfsr(&__r); 1521dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return (__r & __excepts); 1531dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 1541dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1551dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline int 1561dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectfegetround(void) 1571dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 1581dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project fenv_t __r; 1591dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1601dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __stxfsr(&__r); 1611dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return ((__r >> _ROUND_SHIFT) & _ROUND_MASK); 1621dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 1631dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1641dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline int 1651dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectfesetround(int __round) 1661dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 1671dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project fenv_t __r; 1681dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1691dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project if (__round & ~_ROUND_MASK) 1701dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return (-1); 1711dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __stxfsr(&__r); 1721dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __r &= ~(_ROUND_MASK << _ROUND_SHIFT); 1731dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __r |= __round << _ROUND_SHIFT; 1741dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __ldxfsr(__r); 1751dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return (0); 1761dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 1771dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1781dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline int 1791dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectfegetenv(fenv_t *__envp) 1801dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 1811dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1821dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __stxfsr(__envp); 1831dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return (0); 1841dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 1851dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1861dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline int 1871dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectfeholdexcept(fenv_t *__envp) 1881dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 1891dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project fenv_t __r; 1901dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1911dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __stxfsr(&__r); 1921dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project *__envp = __r; 1931dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __r &= ~(FE_ALL_EXCEPT | _ENABLE_MASK); 1941dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __ldxfsr(__r); 1951dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return (0); 1961dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 1971dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 1981dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline int 1991dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectfesetenv(const fenv_t *__envp) 2001dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 2011dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2021dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __ldxfsr(*__envp); 2031dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return (0); 2041dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 2051dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2061dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline int 2071dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectfeupdateenv(const fenv_t *__envp) 2081dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 2091dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project fexcept_t __r; 2101dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2111dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __stxfsr(&__r); 2121dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __ldxfsr(*__envp); 2131dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project feraiseexcept(__r & FE_ALL_EXCEPT); 2141dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return (0); 2151dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 2161dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2171dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#if __BSD_VISIBLE 2181dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2191dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline int 2201dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectfeenableexcept(int __mask) 2211dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 2221dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project fenv_t __old_r, __new_r; 2231dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2241dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __stxfsr(&__old_r); 2251dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __new_r = __old_r | ((__mask & FE_ALL_EXCEPT) << _FPUSW_SHIFT); 2261dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __ldxfsr(__new_r); 2271dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return ((__old_r >> _FPUSW_SHIFT) & FE_ALL_EXCEPT); 2281dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 2291dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2301dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline int 2311dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectfedisableexcept(int __mask) 2321dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 2331dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project fenv_t __old_r, __new_r; 2341dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2351dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __stxfsr(&__old_r); 2361dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __new_r = __old_r & ~((__mask & FE_ALL_EXCEPT) << _FPUSW_SHIFT); 2371dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __ldxfsr(__new_r); 2381dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return ((__old_r >> _FPUSW_SHIFT) & FE_ALL_EXCEPT); 2391dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 2401dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2411dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectstatic __inline int 2421dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Projectfegetexcept(void) 2431dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project{ 2441dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project fenv_t __r; 2451dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2461dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project __stxfsr(&__r); 2471dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project return ((__r & _ENABLE_MASK) >> _FPUSW_SHIFT); 2481dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project} 2491dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2501dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif /* __BSD_VISIBLE */ 2511dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2521dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project__END_DECLS 2531dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project 2541dc9e472e19acfe6dc7f41e429236e7eef7ceda1The Android Open Source Project#endif /* !_FENV_H_ */ 255