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Add __extenddftf2 and __extendsftf2 for IEEE quad precision. 

Patch by: GuanHong Liu
Differential Revision: http://reviews.llvm.org/D2802

llvm-svn: 209783
This commit is contained in:
Joerg Sonnenberger 2014-05-29 01:00:39 +00:00
parent 5038cb2963
commit fee19280b8
4 changed files with 211 additions and 0 deletions
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23
compiler-rt/lib/builtins/extenddftf2.c Normal file
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//===-- lib/extenddftf2.c - double -> quad conversion -------------*- C -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#define QUAD_PRECISION
#include "fp_lib.h"
#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT)
#define SRC_DOUBLE
#define DST_QUAD
#include "fp_extend_impl.inc"
COMPILER_RT_ABI long double __extenddftf2(double a) {
return __extendXfYf2__(a);
}
#endif

23
compiler-rt/lib/builtins/extendsftf2.c Normal file
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//===-- lib/extendsftf2.c - single -> quad conversion -------------*- C -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#define QUAD_PRECISION
#include "fp_lib.h"
#if defined(CRT_HAS_128BIT) && defined(CRT_LDBL_128BIT)
#define SRC_SINGLE
#define DST_QUAD
#include "fp_extend_impl.inc"
COMPILER_RT_ABI long double __extendsftf2(float a) {
return __extendXfYf2__(a);
}
#endif

82
compiler-rt/test/builtins/Unit/extenddftf2_test.c Normal file
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//===--------------- extenddftf2_test.c - Test __extenddftf2 --------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file tests __extenddftf2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include <stdio.h>
#if __LDBL_MANT_DIG__ == 113
#include "fp_test.h"
long double __extenddftf2(double a);
int test__extenddftf2(double a, uint64_t expectedHi, uint64_t expectedLo)
{
long double x = __extenddftf2(a);
int ret = compareResultLD(x, expectedHi, expectedLo);
if (ret){
printf("error in test__extenddftf2(%f) = %.20Lf, "
"expected %.20Lf\n", a, 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
if (test__extenddftf2(makeQNaN64(),
UINT64_C(0x7fff800000000000),
UINT64_C(0x0)))
return 1;
// NaN
if (test__extenddftf2(makeNaN64(UINT64_C(0x7100000000000)),
UINT64_C(0x7fff710000000000),
UINT64_C(0x0)))
return 1;
// inf
if (test__extenddftf2(makeInf64(),
UINT64_C(0x7fff000000000000),
UINT64_C(0x0)))
return 1;
// zero
if (test__extenddftf2(0.0, UINT64_C(0x0), UINT64_C(0x0)))
return 1;
if (test__extenddftf2(0x1.23456789abcdefp+5,
UINT64_C(0x400423456789abcd),
UINT64_C(0xf000000000000000)))
return 1;
if (test__extenddftf2(0x1.edcba987654321fp-9,
UINT64_C(0x3ff6edcba9876543),
UINT64_C(0x2000000000000000)))
return 1;
if (test__extenddftf2(0x1.23456789abcdefp+45,
UINT64_C(0x402c23456789abcd),
UINT64_C(0xf000000000000000)))
return 1;
if (test__extenddftf2(0x1.edcba987654321fp-45,
UINT64_C(0x3fd2edcba9876543),
UINT64_C(0x2000000000000000)))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}

83
compiler-rt/test/builtins/Unit/extendsftf2_test.c Normal file
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//===--------------- extendsftf2_test.c - Test __extendsftf2 --------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file tests __extendsftf2 for the compiler_rt library.
//
//===----------------------------------------------------------------------===//
#include <stdio.h>
#if __LDBL_MANT_DIG__ == 113
#include "fp_test.h"
long double __extendsftf2(float a);
int test__extendsftf2(float a, uint64_t expectedHi, uint64_t expectedLo)
{
long double x = __extendsftf2(a);
int ret = compareResultLD(x, expectedHi, expectedLo);
if (ret)
{
printf("error in test__extendsftf2(%f) = %.20Lf, "
"expected %.20Lf\n", a, 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
if (test__extendsftf2(makeQNaN32(),
UINT64_C(0x7fff800000000000),
UINT64_C(0x0)))
return 1;
// NaN
if (test__extendsftf2(makeNaN32(UINT32_C(0x410000)),
UINT64_C(0x7fff820000000000),
UINT64_C(0x0)))
return 1;
// inf
if (test__extendsftf2(makeInf32(),
UINT64_C(0x7fff000000000000),
UINT64_C(0x0)))
return 1;
// zero
if (test__extendsftf2(0.0f, UINT64_C(0x0), UINT64_C(0x0)))
return 1;
if (test__extendsftf2(0x1.23456p+5f,
UINT64_C(0x4004234560000000),
UINT64_C(0x0)))
return 1;
if (test__extendsftf2(0x1.edcbap-9f,
UINT64_C(0x3ff6edcba0000000),
UINT64_C(0x0)))
return 1;
if (test__extendsftf2(0x1.23456p+45f,
UINT64_C(0x402c234560000000),
UINT64_C(0x0)))
return 1;
if (test__extendsftf2(0x1.edcbap-45f,
UINT64_C(0x3fd2edcba0000000),
UINT64_C(0x0)))
return 1;
#else
printf("skipped\n");
#endif
return 0;
}