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//===-- fixsfti_test.c - Test __fixsfti -----------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file tests __fixsfti for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#if __x86_64
#include "int_lib.h"
#include <stdio.h>
// Returns: convert a to a signed long long, rounding toward zero.
// Assumption: float is a IEEE 32 bit floating point type
// su_int is a 32 bit integral type
// value in float is representable in ti_int (no range checking performed)
// seee eeee emmm mmmm mmmm mmmm mmmm mmmm
ti_int __fixsfti(float a);
int test__fixsfti(float a, ti_int expected)
{
ti_int x = __fixsfti(a);
if (x != expected)
{
twords xt;
xt.all = x;
twords expectedt;
expectedt.all = expected;
printf("error in __fixsfti(%A) = 0x%.16llX%.16llX, expected 0x%.16llX%.16llX\n",
a, xt.high, xt.low, expectedt.high, expectedt.low);
}
return x != expected;
}
char assumption_1[sizeof(ti_int) == 2*sizeof(di_int)] = {0};
char assumption_2[sizeof(su_int)*CHAR_BIT == 32] = {0};
char assumption_3[sizeof(float)*CHAR_BIT == 32] = {0};
#endif
int main()
{
#if __x86_64
if (test__fixsfti(0.0F, 0))
return 1;
if (test__fixsfti(0.5F, 0))
return 1;
if (test__fixsfti(0.99F, 0))
return 1;
if (test__fixsfti(1.0F, 1))
return 1;
if (test__fixsfti(1.5F, 1))
return 1;
if (test__fixsfti(1.99F, 1))
return 1;
if (test__fixsfti(2.0F, 2))
return 1;
if (test__fixsfti(2.01F, 2))
return 1;
if (test__fixsfti(-0.5F, 0))
return 1;
if (test__fixsfti(-0.99F, 0))
return 1;
if (test__fixsfti(-1.0F, -1))
return 1;
if (test__fixsfti(-1.5F, -1))
return 1;
if (test__fixsfti(-1.99F, -1))
return 1;
if (test__fixsfti(-2.0F, -2))
return 1;
if (test__fixsfti(-2.01F, -2))
return 1;
if (test__fixsfti(0x1.FFFFFEp+62F, 0x7FFFFF8000000000LL))
return 1;
if (test__fixsfti(0x1.FFFFFCp+62F, 0x7FFFFF0000000000LL))
return 1;
if (test__fixsfti(-0x1.FFFFFEp+62F, make_ti(0xFFFFFFFFFFFFFFFFLL,
0x8000008000000000LL)))
return 1;
if (test__fixsfti(-0x1.FFFFFCp+62F, make_ti(0xFFFFFFFFFFFFFFFFLL,
0x8000010000000000LL)))
return 1;
if (test__fixsfti(0x1.FFFFFEp+126F, make_ti(0x7FFFFF8000000000LL, 0)))
return 1;
if (test__fixsfti(0x1.FFFFFCp+126F, make_ti(0x7FFFFF0000000000LL, 0)))
return 1;
if (test__fixsfti(-0x1.FFFFFEp+126F, make_ti(0x8000008000000000LL, 0)))
return 1;
if (test__fixsfti(-0x1.FFFFFCp+126F, make_ti(0x8000010000000000LL, 0)))
return 1;
#endif
return 0;
}
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