OpenE2K/gcc
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Add file omitted from last checkin.

Browse Source 
From-SVN: r135525
This commit is contained in:
Kaveh Ghazi 2008-05-19 06:57:43 +00:00
parent 678a51b378
commit 04cdd3c660
1 changed files with 56 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

56
gcc/testsuite/gcc.dg/torture/builtin-isinf_sign-1.c Normal file
View File

@ -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;
}