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| author | Claudiu Zissulescu <claziss@synopsys.com> | 2016-04-29 12:49:26 +0200 |
|---|---|---|
| committer | Claudiu Zissulescu <claziss@gcc.gnu.org> | 2016-04-29 12:49:26 +0200 |
| commit | 39d504645250d0d367247807e23edf5f74252b6e (patch) | |
| tree | 7dc26e0bbcfd6b12890fbfe4091d2eadaebb7c28 /gcc | |
| parent | af95276348b27767973ac9c461cfbbd9b87d0ba1 (diff) | |
| download | gcc-39d504645250d0d367247807e23edf5f74252b6e.zip gcc-39d504645250d0d367247807e23edf5f74252b6e.tar.gz gcc-39d504645250d0d367247807e23edf5f74252b6e.tar.bz2 | |
[ARC] Handle FPX NaN within optimized floating point library.
gcc/
2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
* testsuite/gcc.target/arc/ieee_eq.c: New test.
libgcc/
2016-04-29 Claudiu Zissulescu <claziss@synopsys.com>
* config/arc/ieee-754/eqdf2.S: Handle FPX NaN.
From-SVN: r235633
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/arc/ieee_eq.c | 47 |
2 files changed, 51 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index e79318d..d3fde07 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2016-04-29 Claudiu Zissulescu <claziss@synopsys.com> + + * testsuite/gcc.target/arc/ieee_eq.c: New test. + 2016-04-29 Oleg Endo <olegendo@gcc.gnu.org> * common/config/sh/sh-common.c (sh_option_optimization_table): Remove diff --git a/gcc/testsuite/gcc.target/arc/ieee_eq.c b/gcc/testsuite/gcc.target/arc/ieee_eq.c new file mode 100644 index 0000000..70aebad --- /dev/null +++ b/gcc/testsuite/gcc.target/arc/ieee_eq.c @@ -0,0 +1,47 @@ +/* { dg-do run } */ +/* { dg-options "-O2" } */ + +#include <stdio.h> +#include <float.h> + +#define TEST_EQ(TYPE,X,Y,RES) \ + do { \ + volatile TYPE a, b; \ + a = (TYPE) X; \ + b = (TYPE) Y; \ + if ((a == b) != RES) \ + { \ + printf ("Runtime computation error @%d. %g " \ + "!= %g\n", __LINE__, a, b); \ + error = 1; \ + } \ + } while (0) + +#ifndef __HS__ +/* Special type of NaN found when using double FPX instructions. */ +static const unsigned long long __nan = 0x7FF0000080000000ULL; +# define W (*(double *) &__nan) +#else +# define W __builtin_nan ("") +#endif + +#define Q __builtin_nan ("") +#define H __builtin_inf () + +int main (void) +{ + int error = 0; + + TEST_EQ (double, 1, 1, 1); + TEST_EQ (double, 1, 2, 0); + TEST_EQ (double, W, W, 0); + TEST_EQ (double, Q, Q, 0); + TEST_EQ (double, __DBL_MAX__, __DBL_MAX__, 1); + TEST_EQ (double, __DBL_MIN__, __DBL_MIN__, 1); + TEST_EQ (double, H, H, 1); + + if (error) + __builtin_abort (); + + return 0; +} |