From 7edb55ce06ab1fa716a062cd1cb6682585bb449d Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Sat, 8 Oct 2011 10:18:26 -0400 Subject: Optimize use of isnan, isinf, finite --- sysdeps/x86_64/fpu/math_private.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) (limited to 'sysdeps/x86_64/fpu') 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; }) -- cgit v1.2.3