diff options
author | YamaArashi <shadow962@live.com> | 2016-01-06 01:47:28 -0800 |
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committer | YamaArashi <shadow962@live.com> | 2016-01-06 01:47:28 -0800 |
commit | be8b04496302184c6e8f04d6179f9c3afc50aeb6 (patch) | |
tree | 726e2468c0c07add773c0dbd86ab6386844259ae /gcc/testsuite/gcc.dg/980211-1.c |
initial commit
Diffstat (limited to 'gcc/testsuite/gcc.dg/980211-1.c')
-rwxr-xr-x | gcc/testsuite/gcc.dg/980211-1.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/980211-1.c b/gcc/testsuite/gcc.dg/980211-1.c new file mode 100755 index 0000000..6332b7e --- /dev/null +++ b/gcc/testsuite/gcc.dg/980211-1.c @@ -0,0 +1,27 @@ +/* Test long double on x86. */ + +/* { dg-do run { target i?86-*-* } } */ +/* { dg-options -O2 } */ + +__inline int +__signbitl (long double __x) +{ + union { long double __l; int __i[3]; } __u = { __l: __x }; + + return (__u.__i[2] & 0x8000) != 0; +} + +void +foo (long double x, long double y) +{ + long double z = x / y; + if (__signbitl (x) && __signbitl (z)) + abort (); +} + +int main() +{ + if (sizeof (long double) > sizeof (double)) + foo (-0.0, -1.0); + return 0; +} |