diff options
| author | Ulrich Drepper <drepper@redhat.com> | 1997-05-07 15:31:21 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 1997-05-07 15:31:21 +0000 |
| commit | 51702635af8445431054291c86aaace7c30b0970 (patch) | |
| tree | e9cc4d28c401bd6046f71f62d186865d37c0141f /sysdeps/m68k/fpu/__math.h | |
| parent | 1f07e6177553845817af5f7c90f148edd2e59d32 (diff) | |
Update.cvs/libc-ud-970507
* locale/categories.def: Change type of _NL_CTYPE_CLASS_NAMES and
_NL_CTYPE_MAP_NAMES field to stringlist.
Change name of _NL_CTYPE_CODESET_NAME to "charmap".
* locale/localeinfo.h (enum value_type): Add stringlist.
* locale/programs/locale.c (show_info): Handle stringlist.
* locale/programs/charmap.c (charmap_read): If charmap file is not
using the given name try to find it by looking through all available
charmap files and compare the code set name.
* locale/programs/locale.c (write_charmaps): Also print names of
charset in <code_set_name> fields in the files.
* elf/ldd.bash.in: Correct translatable strings.
* posix/TESTS: Add some more tests for character class matching.
* posix/regex.c: Merge with GNU awk version.
(regex_compile): Use ISO C/amend 1 functions for character class
handling.
* posix/regex.h: Merge with GNU awk version.
* posix/getopt.c: Declare as master copies.
* posix/getopt1.c: Likewise.
* posix/getopt.h: Likewise.
* sysdeps/unix/sysv/linux/sys/mount.h: Add definitions for option
value to mount functions.
Patch by a sun <asun@zoology.washington.edu>.
* stdio-common/bug4.c (main): Use /tmp/bug4.test for concurrency
with other tests.
* sunrpc/svc_run.c (svc_exit): New, defined.
(svc_run): Test for svc_stop variable.
* sysdeps/m68k/s_cexp.c: Rewritten.
* sysdeps/m68k/s_cexpf.c: Likewise.
* sysdeps/m68k/s_cexpl.c: Likewise.
Diffstat (limited to 'sysdeps/m68k/fpu/__math.h')
| -rw-r--r-- | sysdeps/m68k/fpu/__math.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/sysdeps/m68k/fpu/__math.h b/sysdeps/m68k/fpu/__math.h index 92487f9b04..5dc4d2e066 100644 --- a/sysdeps/m68k/fpu/__math.h +++ b/sysdeps/m68k/fpu/__math.h @@ -153,6 +153,21 @@ __internal_inline_functions (float,f) __internal_inline_functions (long double,l) #undef __internal_inline_functions +/* Get the m68881 condition codes, to quickly check multiple conditions. */ +static __inline__ unsigned long +__m81_test (long double __val) +{ + unsigned long __fpsr; + __asm ("ftst%.x %1; fmove%.l %/fpsr,%0" : "=dm" (__fpsr) : "f" (__val)); + return __fpsr; +} + +/* Bit values returned by __m81_test. */ +#define __M81_COND_NAN (1 << 24) +#define __M81_COND_INF (2 << 24) +#define __M81_COND_ZERO (4 << 24) +#define __M81_COND_NEG (8 << 24) + #endif /* __LIBC_M81_MATH_INLINES */ /* The rest of the functions are available to the user. */ @@ -163,8 +178,12 @@ __m81_u(__CONCAT(__frexp,s))(float_type __value, int *__expptr) \ { \ float_type __mantissa, __exponent; \ int __iexponent; \ - if (__value == 0.0) \ + unsigned long __fpsr; \ + __asm("ftst%.x %1\n" \ + "fmove%.l %/fpsr, %0" : "=dm" (__fpsr) : "f" (__value)); \ + if (__fpsr & (7 << 24)) \ { \ + /* Not finite or zero. */ \ *__expptr = 0; \ return __value; \ } \ |