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author | Kaveh Ghazi <ghazi@gcc.gnu.org> | 2008-05-19 06:57:43 +0000 |
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committer | Kaveh Ghazi <ghazi@gcc.gnu.org> | 2008-05-19 06:57:43 +0000 |
commit | 04cdd3c66014b2ce23a3f04ca5662cc1dc2807e6 (patch) | |
tree | 04421a42fda66b3dd11493cec62c567bb6c839b0 /gcc | |
parent | 678a51b378f995e276ef40d934ff270b8f68ac1b (diff) | |
download | gcc-04cdd3c66014b2ce23a3f04ca5662cc1dc2807e6.zip gcc-04cdd3c66014b2ce23a3f04ca5662cc1dc2807e6.tar.gz gcc-04cdd3c66014b2ce23a3f04ca5662cc1dc2807e6.tar.bz2 |
Add file omitted from last checkin.
From-SVN: r135525
Diffstat (limited to 'gcc')
-rw-r--r-- | gcc/testsuite/gcc.dg/torture/builtin-isinf_sign-1.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/builtin-isinf_sign-1.c b/gcc/testsuite/gcc.dg/torture/builtin-isinf_sign-1.c new file mode 100644 index 0000000..6dc2326e --- /dev/null +++ b/gcc/testsuite/gcc.dg/torture/builtin-isinf_sign-1.c @@ -0,0 +1,56 @@ +/* Copyright (C) 2008 Free Software Foundation. + + Verify that __builtin_isinf_sign folds correctly. + + Origin: Kaveh R. Ghazi, May 17, 2008. */ + +/* { dg-do link } */ + +/* All references to link_error should go away at compile-time. */ +extern void link_error(int); + +void __attribute__ ((__noinline__)) +foo (float f, double d, long double ld) +{ + /* Test the generic expansion of isinf_sign. */ + + if (__builtin_isinf_sign(f) + != (__builtin_isinf(f) ? (__builtin_signbitf(f) ? -1 : 1) : 0)) + link_error (__LINE__); + if (__builtin_isinf_sign(d) + != (__builtin_isinf(d) ? (__builtin_signbit(d) ? -1 : 1) : 0)) + link_error (__LINE__); + if (__builtin_isinf_sign(ld) + != (__builtin_isinf(ld) ? (__builtin_signbitl(ld) ? -1 : 1) : 0)) + link_error (__LINE__); + + /* In boolean contexts, GCC will fold the inner conditional + expression to 1. So isinf_sign folds to plain isinf. */ + + if ((_Bool)__builtin_isinf_sign(f) != (__builtin_isinf(f) != 0)) + link_error (__LINE__); + if ((_Bool)__builtin_isinf_sign(d) != (__builtin_isinf(d) != 0)) + link_error (__LINE__); + if ((_Bool)__builtin_isinf_sign(ld) != (__builtin_isinf(ld) != 0)) + link_error (__LINE__); + + if ((__builtin_isinf_sign(f) != 0) != (__builtin_isinf(f) != 0)) + link_error (__LINE__); + if ((__builtin_isinf_sign(d) != 0) != (__builtin_isinf(d) != 0)) + link_error (__LINE__); + if ((__builtin_isinf_sign(ld) != 0) != (__builtin_isinf(ld) != 0)) + link_error (__LINE__); + + if ((__builtin_isinf_sign(f) ? 5 : 6) != (__builtin_isinf(f) ? 5 : 6)) + link_error (__LINE__); + if ((__builtin_isinf_sign(d) ? 5 : 6) != (__builtin_isinf(d) ? 5 : 6)) + link_error (__LINE__); + if ((__builtin_isinf_sign(ld) ? 5 : 6) != (__builtin_isinf(ld) ? 5 : 6)) + link_error (__LINE__); +} + +int main (void) +{ + foo (1, 2, 3); + return 0; +} |