lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-12-24 17:51:17 +03:00
Code Activity

Optimize access to isXYZ and toXYZ tables

Browse Source 
The functions to get the pointers can now depend on the TLS variable
be initialized.
This commit is contained in:
Ulrich Drepper
2011-10-15 16:27:08 -04:00
parent 2d1f3a4db6
commit fd5bdc0924
10 changed files with 135 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
include/ctype.h
View File

@@ -1,5 +1,9 @@
#ifndef _CTYPE_H
/* Initialize ctype locale data. */
extern void __ctype_init (void);
libc_hidden_proto (__ctype_init)
extern int __isctype (int __c, int __mask);
# ifndef NOT_IN_libc
@@ -22,31 +26,23 @@ __libc_tsd_define (extern, const uint16_t *, CTYPE_B)
__libc_tsd_define (extern, const int32_t *, CTYPE_TOUPPER)
__libc_tsd_define (extern, const int32_t *, CTYPE_TOLOWER)
CTYPE_EXTERN_INLINE const uint16_t ** __attribute__ ((const))
__ctype_b_loc (void)
{
const uint16_t **tablep = __libc_tsd_address (const uint16_t *, CTYPE_B);
if (__builtin_expect (*tablep == NULL, 0))
*tablep = (const uint16_t *) _NL_CURRENT (LC_CTYPE, _NL_CTYPE_CLASS) + 128;
return tablep;
return __libc_tsd_address (const uint16_t *, CTYPE_B);
}
CTYPE_EXTERN_INLINE const int32_t ** __attribute__ ((const))
__ctype_toupper_loc (void)
{
const int32_t **tablep = __libc_tsd_address (const int32_t *, CTYPE_TOUPPER);
if (__builtin_expect (*tablep == NULL, 0))
*tablep = ((int32_t *) _NL_CURRENT (LC_CTYPE, _NL_CTYPE_TOUPPER) + 128);
return tablep;
return __libc_tsd_address (const int32_t *, CTYPE_TOUPPER);
}
CTYPE_EXTERN_INLINE const int32_t ** __attribute__ ((const))
__ctype_tolower_loc (void)
{
const int32_t **tablep = __libc_tsd_address (const int32_t *, CTYPE_TOLOWER);
if (__builtin_expect (*tablep == NULL, 0))
*tablep = ((int32_t *) _NL_CURRENT (LC_CTYPE, _NL_CTYPE_TOLOWER) + 128);
return tablep;
return __libc_tsd_address (const int32_t *, CTYPE_TOLOWER);
}
# endif /* Not NOT_IN_libc. */