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// RUN: %clang_builtins %s %librt -o %t && %run %t
// REQUIRES: librt_has_addtf3
#include <fenv.h>
#include <stdio.h>
#if __LDBL_MANT_DIG__ == 113
#include "int_lib.h"
#include "fp_test.h"
// Returns: a + b
COMPILER_RT_ABI long double __addtf3(long double a, long double b);
int test__addtf3(long double a, long double b,
uint64_t expectedHi, uint64_t expectedLo)
{
long double x = __addtf3(a, b);
int ret = compareResultLD(x, expectedHi, expectedLo);
if (ret){
printf("error in test__addtf3(%.20Lf, %.20Lf) = %.20Lf, "
"expected %.20Lf\n", a, b, x,
fromRep128(expectedHi, expectedLo));
}
return ret;
}
char assumption_1[sizeof(long double) * CHAR_BIT == 128] = {0};
#endif
int main()
{
#if __LDBL_MANT_DIG__ == 113
// qNaN + any = qNaN
if (test__addtf3(makeQNaN128(),
0x1.23456789abcdefp+5L,
UINT64_C(0x7fff800000000000),
UINT64_C(0x0)))
return 1;
// NaN + any = NaN
if (test__addtf3(makeNaN128(UINT64_C(0x800030000000)),
0x1.23456789abcdefp+5L,
UINT64_C(0x7fff800000000000),
UINT64_C(0x0)))
return 1;
// inf + inf = inf
if (test__addtf3(makeInf128(),
makeInf128(),
UINT64_C(0x7fff000000000000),
UINT64_C(0x0)))
return 1;
// inf + any = inf
if (test__addtf3(makeInf128(),
0x1.2335653452436234723489432abcdefp+5L,
UINT64_C(0x7fff000000000000),
UINT64_C(0x0)))
return 1;
// any + any
if (test__addtf3(0x1.23456734245345543849abcdefp+5L,
0x1.edcba52449872455634654321fp-1L,
UINT64_C(0x40042afc95c8b579),
UINT64_C(0x61e58dd6c51eb77c)))
return 1;
#if (defined(__arm__) || defined(__aarch64__)) && defined(__ARM_FP) || \
defined(i386) || defined(__x86_64__) || (defined(__loongarch__) && \
__loongarch_frlen != 0)
// Rounding mode tests on supported architectures
const long double m = 1234.0L, n = 0.01L;
fesetround(FE_UPWARD);
if (test__addtf3(m, n,
UINT64_C(0x40093480a3d70a3d),
UINT64_C(0x70a3d70a3d70a3d8)))
return 1;
fesetround(FE_DOWNWARD);
if (test__addtf3(m, n,
UINT64_C(0x40093480a3d70a3d),
UINT64_C(0x70a3d70a3d70a3d7)))
return 1;
fesetround(FE_TOWARDZERO);
if (test__addtf3(m, n,
UINT64_C(0x40093480a3d70a3d),
UINT64_C(0x70a3d70a3d70a3d7)))
return 1;
fesetround(FE_TONEAREST);
if (test__addtf3(m, n,
UINT64_C(0x40093480a3d70a3d),
UINT64_C(0x70a3d70a3d70a3d7)))
return 1;
#endif
#else
printf("skipped\n");
#endif
return 0;
}
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