1#!/bin/sh 2 3# 4# Copyright (c) 2010 Peter Holm <pho@FreeBSD.org> 5# All rights reserved. 6# 7# Redistribution and use in source and binary forms, with or without 8# modification, are permitted provided that the following conditions 9# are met: 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in the 14# documentation and/or other materials provided with the distribution. 15# 16# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26# SUCH DAMAGE. 27# 28 29# Regression test for FPU changes in r208833 30 31. ../default.cfg 32 33here=`pwd` 34cd /tmp 35sed '1,/^EOF/d' < $here/$0 > fpu.c 36mycc -o fpu -Wall -O2 fpu.c 37rm -f fpu.c 38[ -d $RUNDIR ] || mkdir -p $RUNDIR 39cd $RUNDIR 40 41r=`/tmp/fpu` 42[ "$r" = "-0.000000017, 0.000000000, 0.000000000" ] || echo $r 43 44cd $here 45rm -f /tmp/fpu 46 47exit 0 48EOF 49#include <sys/types.h> 50#include <signal.h> 51#include <stdio.h> 52#include <stdlib.h> 53#include <sys/wait.h> 54#include <unistd.h> 55 56void 57handler(int i) 58{ 59} 60 61void 62test() 63{ 64 float val = 0; 65 double lval = 0; 66 long double llval = 0; 67 int i, j; 68 69 for (i = 0; i < 100000; i++) { 70 for (j = 0; j < 100000; j++) { 71 val = val + 0.00001; 72 lval = lval + 0.00001; 73 llval = llval + 0.00001; 74 } 75 for (j = 0; j < 100000; j++) { 76 val = val - 0.00001; 77 lval = lval - 0.00001; 78 llval = llval - 0.00001; 79 } 80 } 81 printf("%.9f, %.9f, %.9Lf\n", val, lval, llval); 82 exit(0); 83 84} 85 86int 87main() 88{ 89 pid_t pid; 90 int i; 91 92 signal(SIGHUP, handler); 93 94 if ((pid = fork()) == 0) 95 test(); 96 97 for (i = 0; i < 10000; i++) 98 kill(pid, SIGHUP); 99 100 wait(NULL); 101 102 return (0); 103} 104