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* [gcc r14-10016] [libstdc++] [testsuite] xfail double-prec from_chars for float128_t
@ 2024-04-18 11:14 Alexandre Oliva
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From: Alexandre Oliva @ 2024-04-18 11:14 UTC (permalink / raw)
To: gcc-cvs, libstdc++-cvs
https://gcc.gnu.org/g:5b178179e85ace01a97def40531e915c180aaeca
commit r14-10016-g5b178179e85ace01a97def40531e915c180aaeca
Author: Alexandre Oliva <oliva@adacore.com>
Date: Thu Apr 18 08:00:56 2024 -0300
[libstdc++] [testsuite] xfail double-prec from_chars for float128_t
Tests 20_util/from_chars/4.cc and 20_util/to_chars/long_double.cc were
adjusted about a year ago to skip long double on some targets, because
the fastfloat library was limited to 64-bit doubles.
The same problem comes up in similar float128_t tests on
aarch64-vxworks. This patch adjusts them similarly.
Unlike the earlier tests, that got similar treatment for
x86_64-vxworks, these haven't failed there.
for libstdc++-v3/ChangeLog
* testsuite/20_util/from_chars/8.cc: Skip float128_t testing
on aarch64-vxworks.
* testsuite/20_util/to_chars/float128_c++23.cc: Xfail run on
aarch64-vxworks.
Diff:
---
libstdc++-v3/testsuite/20_util/from_chars/8.cc | 3 ++-
libstdc++-v3/testsuite/20_util/to_chars/float128_c++23.cc | 1 +
2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/libstdc++-v3/testsuite/20_util/from_chars/8.cc b/libstdc++-v3/testsuite/20_util/from_chars/8.cc
index ee60d88c332..a6343422c5a 100644
--- a/libstdc++-v3/testsuite/20_util/from_chars/8.cc
+++ b/libstdc++-v3/testsuite/20_util/from_chars/8.cc
@@ -17,6 +17,7 @@
// { dg-do run { target c++23 } }
// { dg-add-options ieee }
+// { dg-additional-options "-DSKIP_LONG_DOUBLE" { target aarch64-*-vxworks* } }
#include <charconv>
#include <string>
@@ -343,7 +344,7 @@ test06()
#if defined(__STDCPP_FLOAT64_T__) && defined(_GLIBCXX_DOUBLE_IS_IEEE_BINARY64)
test_max_mantissa<std::float64_t, unsigned long long>();
#endif
-#if defined(__GLIBCXX_TYPE_INT_N_0) \
+#if defined(__GLIBCXX_TYPE_INT_N_0) && !defined SKIP_LONG_DOUBLE \
&& defined(__STDCPP_FLOAT128_T__) && defined(_GLIBCXX_LDOUBLE_IS_IEEE_BINARY128)
test_max_mantissa<std::float128_t, unsigned __GLIBCXX_TYPE_INT_N_0>();
#endif
diff --git a/libstdc++-v3/testsuite/20_util/to_chars/float128_c++23.cc b/libstdc++-v3/testsuite/20_util/to_chars/float128_c++23.cc
index 547632817b4..ca00761ee7c 100644
--- a/libstdc++-v3/testsuite/20_util/to_chars/float128_c++23.cc
+++ b/libstdc++-v3/testsuite/20_util/to_chars/float128_c++23.cc
@@ -19,6 +19,7 @@
// { dg-require-effective-target ieee_floats }
// { dg-require-effective-target size32plus }
// { dg-add-options ieee }
+// { dg-xfail-run-if "from_chars limited to double-precision" { aarch64-*-vxworks* } }
#include <charconv>
#include <stdfloat>
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