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libstdc++: Resolve -Wunused-variable warnings in stdx::simd and tests

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Signed-off-by: Matthias Kretz <m.kretz@gsi.de>

libstdc++-v3/ChangeLog:

	* include/experimental/bits/simd_builtin.h (_S_fpclassify): Move
	__infn into #ifdef'ed block.
	* testsuite/experimental/simd/tests/fpclassify.cc: Declare
	constants only when used.
	* testsuite/experimental/simd/tests/frexp.cc: Likewise.
	* testsuite/experimental/simd/tests/logarithm.cc: Likewise.
	* testsuite/experimental/simd/tests/trunc_ceil_floor.cc:
	Likewise.
	* testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc:
	Move totest and expect1 into #ifdef'ed block.
This commit is contained in:
Matthias Kretz 2023-05-22 16:58:30 +02:00
parent 9f5065094c
commit a7129e82be
6 changed files with 17 additions and 5 deletions
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4
libstdc++-v3/include/experimental/bits/simd_builtin.h
View file

@ -2370,12 +2370,12 @@ template <typename _Abi, typename>
constexpr size_t _NI = sizeof(__xn) / sizeof(_I);
_GLIBCXX_SIMD_USE_CONSTEXPR auto __minn
= __vector_bitcast<_I>(__vector_broadcast<_NI>(__norm_min_v<_Tp>));
_GLIBCXX_SIMD_USE_CONSTEXPR auto __infn
= __vector_bitcast<_I>(__vector_broadcast<_NI>(__infinity_v<_Tp>));
_GLIBCXX_SIMD_USE_CONSTEXPR auto __fp_normal
= __vector_broadcast<_NI, _I>(FP_NORMAL);
#if !__FINITE_MATH_ONLY__
_GLIBCXX_SIMD_USE_CONSTEXPR auto __infn
= __vector_bitcast<_I>(__vector_broadcast<_NI>(__infinity_v<_Tp>));
_GLIBCXX_SIMD_USE_CONSTEXPR auto __fp_nan
= __vector_broadcast<_NI, _I>(FP_NAN);
_GLIBCXX_SIMD_USE_CONSTEXPR auto __fp_infinite

2
libstdc++-v3/testsuite/experimental/simd/tests/fpclassify.cc
View file

@ -38,9 +38,11 @@ template <typename V>
{
using T = typename V::value_type;
using intv = std::experimental::fixed_size_simd<int, V::size()>;
#if __GCC_IEC_559 >= 2
constexpr T inf = std::__infinity_v<T>;
constexpr T denorm_min = std::__infinity_v<T>;
constexpr T nan = std::__quiet_NaN_v<T>;
#endif
constexpr T max = std::__finite_max_v<T>;
constexpr T norm_min = std::__norm_min_v<T>;
test_values<V>(

6
libstdc++-v3/testsuite/experimental/simd/tests/frexp.cc
View file

@ -25,11 +25,17 @@ template <typename V>
{
using int_v = std::experimental::fixed_size_simd<int, V::size()>;
using T = typename V::value_type;
#if __GCC_IEC_559 >= 2 || defined __STDC_IEC_559__
constexpr auto denorm_min = std::__denorm_min_v<T>;
#endif
#if __GCC_IEC_559 >= 2
constexpr auto norm_min = std::__norm_min_v<T>;
#endif
constexpr auto max = std::__finite_max_v<T>;
#if defined __STDC_IEC_559__
constexpr auto nan = std::__quiet_NaN_v<T>;
constexpr auto inf = std::__infinity_v<T>;
#endif
test_values<V>(
{0, 0.25, 0.5, 1, 3, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19,
20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 32, 31, -0., -0.25, -0.5, -1,

4
libstdc++-v3/testsuite/experimental/simd/tests/ldexp_scalbn_scalbln_modf.cc
View file

@ -137,7 +137,6 @@ template <typename V>
if (modf_is_broken)
return;
V integral = {};
const V totest = modf(input, &integral);
auto&& expected = [&](const auto& v) -> std::pair<const V, const V> {
std::pair<V, V> tmp = {};
using std::modf;
@ -149,8 +148,9 @@ template <typename V>
}
return tmp;
};
const auto expect1 = expected(input);
#ifdef __STDC_IEC_559__
const V totest = modf(input, &integral);
const auto expect1 = expected(input);
COMPARE(isnan(totest), isnan(expect1.first))
<< "modf(" << input << ", iptr) = " << totest << " != " << expect1;
COMPARE(isnan(integral), isnan(expect1.second))

4
libstdc++-v3/testsuite/experimental/simd/tests/logarithm.cc
View file

@ -27,11 +27,13 @@ template <typename V>
vir::test::setFuzzyness<double>(1);
using T = typename V::value_type;
#ifdef __STDC_IEC_559__
constexpr T nan = std::__quiet_NaN_v<T>;
constexpr T inf = std::__infinity_v<T>;
constexpr T denorm_min = std::__denorm_min_v<T>;
constexpr T norm_min = std::__norm_min_v<T>;
constexpr T min = std::__finite_min_v<T>;
#endif
constexpr T norm_min = std::__norm_min_v<T>;
constexpr T max = std::__finite_max_v<T>;
test_values<V>({1,
2,

2
libstdc++-v3/testsuite/experimental/simd/tests/trunc_ceil_floor.cc
View file

@ -24,8 +24,10 @@ template <typename V>
test()
{
using T = typename V::value_type;
#ifdef __STDC_IEC_559__
constexpr T inf = std::__infinity_v<T>;
constexpr T denorm_min = std::__denorm_min_v<T>;
#endif
constexpr T norm_min = std::__norm_min_v<T>;
constexpr T max = std::__finite_max_v<T>;
constexpr T min = std::__finite_min_v<T>;