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| author | Kyrylo Tkachov <kyrylo.tkachov@arm.com> | 2016-12-12 15:47:47 +0000 |
|---|---|---|
| committer | Kyrylo Tkachov <ktkachov@gcc.gnu.org> | 2016-12-12 15:47:47 +0000 |
| commit | 39c429372b27f6bedfb2459c7695531c1a37c0ea (patch) | |
| tree | 4cbd231b103ac0ad3b9ead75370854968e39c7fe /gcc | |
| parent | 1c43384234e73d0c88fccaf58c298db5e29540ce (diff) | |
| download | gcc-39c429372b27f6bedfb2459c7695531c1a37c0ea.zip gcc-39c429372b27f6bedfb2459c7695531c1a37c0ea.tar.gz gcc-39c429372b27f6bedfb2459c7695531c1a37c0ea.tar.bz2 | |
[libstdc++][testsuite] XFAIL tests relying on long double-to-string conversions on broken newlib
* lib/target-supports.exp
(check_effective_target_newlib_broken_long_double_io): New check.
(check_effective_target_frexpl): Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/char/stod.cc:
XFAIL run if newlib_broken_long_double_io.
* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stod.cc:
Likewise.
* testsuite/21_strings/basic_string/numeric_conversions/wchar_t/stold.cc:
Likewise.
* testsuite/27_io/basic_ostream/inserters_arithmetic/char/hexfloat.cc:
Likewise.
From-SVN: r243558
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/testsuite/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/lib/target-supports.exp | 26 |
2 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 588c51b..35db819 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2016-12-12 Kyrylo Tkachov <kyrylo.tkachov@arm.com> + + * lib/target-supports.exp + (check_effective_target_newlib_broken_long_double_io): New check. + (check_effective_target_frexpl): Likewise. + 2016-12-12 Marek Polacek <polacek@redhat.com> PR middle-end/78716 diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp index 0fc0baf..c3110dc 100644 --- a/gcc/testsuite/lib/target-supports.exp +++ b/gcc/testsuite/lib/target-supports.exp @@ -6765,6 +6765,17 @@ proc check_effective_target_newlib {} { }] } +# Some newlib versions don't provide a frexpl and instead depend +# on frexp to implement long double conversions in their printf-like +# functions. This leads to broken results. Detect such versions here. + +proc check_effective_target_newlib_broken_long_double_io {} { + if { [is-effective-target newlib] && ![is-effective-target frexpl] } { + return 1 + } + return 0 +} + # Return true if this is NOT a Bionic target. proc check_effective_target_non_bionic {} { @@ -7380,6 +7391,21 @@ proc check_effective_target_pow10 { } { } "-lm" ] } +# Return 1 if frexpl function exists. + +proc check_effective_target_frexpl { } { + return [check_runtime frexpl { + #include <math.h> + int main () { + long double x; + int y; + x = frexpl (5.0, &y); + return 0; + } + } "-lm" ] +} + + # Return 1 if issignaling function exists. proc check_effective_target_issignaling {} { return [check_runtime issignaling { |