#undef _GNU_SOURCE
#define _GNU_SOURCE 1
#undef __USE_GNU
#define __USE_GNU 1
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/select.h>
#include <sys/time.h>
#include <sys/wait.h>
#include <fenv.h>

unsigned long long res64 = -1;
unsigned int res32 = -1;
unsigned short res16 = -1;

int test(void)
{
	int ex;

	feclearexcept(FE_DIVBYZERO|FE_INEXACT|FE_INVALID|FE_OVERFLOW|FE_UNDERFLOW);
	asm volatile ("\n"
	"	fld1""\n"
	"	fisttp	res16""\n"
	"	fld1""\n"
	"	fisttpl	res32""\n"
	"	fld1""\n"
	"	fisttpll res64""\n"
	: : : "memory"
	);
	if (res16 != 1 || res32 != 1 || res64 != 1) {
		printf("[BAD]\tfisttp 1\n");
		return 1;
	}
	ex = fetestexcept(FE_DIVBYZERO|FE_INEXACT|FE_INVALID|FE_OVERFLOW|FE_UNDERFLOW);
	if (ex != 0) {
		printf("[BAD]\tfisttp 1: wrong exception state\n");
		return 1;
	}

	feclearexcept(FE_DIVBYZERO|FE_INEXACT|FE_INVALID|FE_OVERFLOW|FE_UNDERFLOW);
	asm volatile ("\n"
	"	fldpi""\n"
	"	fisttp	res16""\n"
	"	fldpi""\n"
	"	fisttpl	res32""\n"
	"	fldpi""\n"
	"	fisttpll res64""\n"
	: : : "memory"
	);
	if (res16 != 3 || res32 != 3 || res64 != 3) {
		printf("[BAD]\tfisttp pi\n");
		return 1;
	}
	ex = fetestexcept(FE_DIVBYZERO|FE_INEXACT|FE_INVALID|FE_OVERFLOW|FE_UNDERFLOW);
	if (ex != FE_INEXACT) {
		printf("[BAD]\tfisttp pi: wrong exception state\n");
		return 1;
	}

	feclearexcept(FE_DIVBYZERO|FE_INEXACT|FE_INVALID|FE_OVERFLOW|FE_UNDERFLOW);
	asm volatile ("\n"
	"	fldpi""\n"
	"	fchs""\n"
	"	fisttp	res16""\n"
	"	fldpi""\n"
	"	fchs""\n"
	"	fisttpl	res32""\n"
	"	fldpi""\n"
	"	fchs""\n"
	"	fisttpll res64""\n"
	: : : "memory"
	);
	if (res16 != 0xfffd || res32 != 0xfffffffd || res64 != 0xfffffffffffffffdULL) {
		printf("[BAD]\tfisttp -pi\n");
		return 1;
	}
	ex = fetestexcept(FE_DIVBYZERO|FE_INEXACT|FE_INVALID|FE_OVERFLOW|FE_UNDERFLOW);
	if (ex != FE_INEXACT) {
		printf("[BAD]\tfisttp -pi: wrong exception state\n");
		return 1;
	}

	feclearexcept(FE_DIVBYZERO|FE_INEXACT|FE_INVALID|FE_OVERFLOW|FE_UNDERFLOW);
	asm volatile ("\n"
	"	fldln2""\n"
	"	fisttp	res16""\n"
	"	fldln2""\n"
	"	fisttpl	res32""\n"
	"	fldln2""\n"
	"	fisttpll res64""\n"
	: : : "memory"
	);
	/* Test truncation to zero (round-to-nearest would give 1 here) */
	if (res16 != 0 || res32 != 0 || res64 != 0) {
		printf("[BAD]\tfisttp ln2\n");
		return 1;
	}
	ex = fetestexcept(FE_DIVBYZERO|FE_INEXACT|FE_INVALID|FE_OVERFLOW|FE_UNDERFLOW);
	if (ex != FE_INEXACT) {
		printf("[BAD]\tfisttp ln2: wrong exception state\n");
		return 1;
	}

	return 0;
}

void sighandler(int sig)
{
	printf("[FAIL]\tGot signal %d, exiting\n", sig);
	exit(1);
}

int main(int argc, char **argv, char **envp)
{
	int err = 0;

	/* SIGILL triggers on 32-bit kernels w/o fisttp emulation
	 * when run with "no387 nofxsr". Other signals are caught
	 * just in case.
	 */
	signal(SIGILL, sighandler);
	signal(SIGFPE, sighandler);
	signal(SIGSEGV, sighandler);

	printf("[RUN]\tTesting fisttp instructions\n");
	err |= test();
	if (!err)
		printf("[OK]\tfisttp\n");
	else
		printf("[FAIL]\tfisttp errors: %d\n", err);

	return err;
}
lass='left'>Age</th><th class='left'>Commit message (<a href='/cgit.cgi/linux/net-next.git/log/include/soc/sa1100?id=3c223c19aea85d3dda1416c187915f4a30b04b1f&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th><th class='left'>Files</th><th class='left'>Lines</th></tr>
.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>Diffstat</a> (limited to 'include/net/regulatory.h')</div><table summary='diffstat' class='diffstat'>