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[libstdc++] [testsuite] xfail double-prec from_chars for x86_64 ldbl

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When long double is wider than double, but from_chars is implemented
in terms of double, tests that involve the full precision of long
double are expected to fail.  Mark them as such on x86_64-*-vxworks*.

for  libstdc++-v3/ChangeLog

	* testsuite/20_util/from_chars/4.cc: Skip long double test06
	on x86_64-vxworks.
	* testsuite/20_util/to_chars/long_double.cc: Xfail run on
	x86_64-vxworks.

(cherry picked from commit 282e4e745981c5c6e3edaae315e1f499a45402df)
This commit is contained in:
Alexandre Oliva 2023-05-30 18:46:26 -03:00 committed by Alexandre Oliva
parent becd6794c6
commit 7d92616a9b
2 changed files with 2 additions and 2 deletions
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2
libstdc++-v3/testsuite/20_util/from_chars/4.cc
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@ -18,7 +18,7 @@
// <charconv> is supported in C++14 as a GNU extension
// { dg-do run { target c++14 } }
// { dg-add-options ieee }
// { dg-additional-options "-DSKIP_LONG_DOUBLE" { target aarch64-*-vxworks* } }
// { dg-additional-options "-DSKIP_LONG_DOUBLE" { target aarch64-*-vxworks* x86_64-*-vxworks* } }
#include <charconv>
#include <string>

2
libstdc++-v3/testsuite/20_util/to_chars/long_double.cc
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@ -36,7 +36,7 @@
// On systems that use double-precision from_chars for long double,
// this is expected to fail.
// { dg-xfail-run-if "from_chars limited to double-precision" { aarch64-*-vxworks* i*86-*-vxworks* } }
// { dg-xfail-run-if "from_chars limited to double-precision" { aarch64-*-vxworks* i*86-*-vxworks* x86_64-*-vxworks* } }
// { dg-require-effective-target ieee_floats }
// { dg-require-effective-target size32plus }