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| author | Ulrich Drepper <drepper@gmail.com> | 2011-10-08 10:18:26 -0400 |
|---|---|---|
| committer | Ulrich Drepper <drepper@gmail.com> | 2011-10-08 10:18:26 -0400 |
| commit | 7edb55ce06ab1fa716a062cd1cb6682585bb449d (patch) | |
| tree | 3fed82e7c3f86ac57f3e9d6f314044b7dbdb8d03 /sysdeps/x86_64 | |
| parent | 187da0aedcd9d0a2fb34477bef41549681ba1273 (diff) | |
| download | glibc-7edb55ce06ab1fa716a062cd1cb6682585bb449d.tar.gz glibc-7edb55ce06ab1fa716a062cd1cb6682585bb449d.tar.xz glibc-7edb55ce06ab1fa716a062cd1cb6682585bb449d.zip | |
Optimize use of isnan, isinf, finite
Diffstat (limited to 'sysdeps/x86_64')
| -rw-r--r-- | sysdeps/x86_64/fpu/math_private.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/sysdeps/x86_64/fpu/math_private.h b/sysdeps/x86_64/fpu/math_private.h index 4be753654a..37357d317a 100644 --- a/sysdeps/x86_64/fpu/math_private.h +++ b/sysdeps/x86_64/fpu/math_private.h @@ -56,3 +56,24 @@ do { \ } while (0) #endif + +#define __isnan(d) \ + ({ long int __di; EXTRACT_WORDS64 (__di, d); \ + (__di & 0x7fffffffffffffffl) > 0x7ff0000000000000l; }) +#define __isnanf(d) \ + ({ int __di; GET_FLOAT_WORD (__di, d); \ + (__di & 0x7fffffff) > 0x7f800000; }) + +#define __isinf_ns(d) \ + ({ long int __di; EXTRACT_WORDS64 (__di, d); \ + (__di & 0x7fffffffffffffffl) == 0x7ff0000000000000l; }) +#define __isinf_nsf(d) \ + ({ int __di; GET_FLOAT_WORD (__di, d); \ + (__di & 0x7fffffff) == 0x7f800000; }) + +#define __finite(d) \ + ({ long int __di; EXTRACT_WORDS64 (__di, d); \ + (__di & 0x7fffffffffffffffl) < 0x7ff0000000000000l; }) +#define __finitef(d) \ + ({ int __di; GET_FLOAT_WORD (__di, d); \ + (__di & 0x7fffffff) < 0x7f800000; }) |