mirror/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-01-31 02:51:44 +01:00
Code Issues Projects Releases Packages Wiki Activity Actions

Sparc prefetch patch

Browse source
This commit is contained in:
Mikael Ronstrom 2008-10-13 21:46:29 +02:00
parent 9daa56fd5c
commit c2ad3cada0
1 changed files with 9 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
storage/innobase/include/univ.i
View file

@ -9,6 +9,10 @@ Created 1/20/1994 Heikki Tuuri
#ifndef univ_i
#define univ_i
#if ( defined(sun) || defined(__sun) )
# include <sun_prefetch.h>
#endif
#if (defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)) && !defined(MYSQL_SERVER) && !defined(__WIN__)
# undef __WIN__
# define __WIN__
@ -274,6 +278,11 @@ it is read. */
/* Minimize cache-miss latency by moving data at addr into a cache before
it is read or written. */
# define UNIV_PREFETCH_RW(addr) __builtin_prefetch(addr, 1, 3)
#elif ( defined(sun) || defined(__sun) )
# define UNIV_EXPECT(expr,value) (expr)
# define UNIV_LIKELY_NULL(expr) (expr)
# define UNIV_PREFETCH_R(addr) sparc_prefetch_read_many(addr)
# define UNIV_PREFETCH_RW(addr) sparc_prefetch_write_many(addr)
#else
/* Dummy versions of the macros */
# define UNIV_EXPECT(expr,value) (expr)