sysadmin/ipxe
1
0
Fork 0
mirror of https://github.com/ipxe/ipxe synced 2026-04-16 03:00:10 +03:00
Code Issues Packages Projects Releases Wiki Activity

Accelerate memcpy() by around 32% on large, dword-aligned copies.

Browse Source
This commit is contained in:
Michael Brown
2007-01-18 15:18:02 +00:00
parent c8b3e969a0
commit bd95927386
2 changed files with 70 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/arch/i386/include/bits/string.h
+7
View File
@@ -22,6 +22,12 @@
*/
#define __HAVE_ARCH_MEMCPY
extern __attribute__ (( regparm ( 3 ) )) void * __memcpy ( void *dest,
const void *src,
size_t len );
#if 0
static inline __attribute__ (( always_inline )) void *
__memcpy ( void *dest, const void *src, size_t len ) {
int d0, d1, d2;
@@ -31,6 +37,7 @@ __memcpy ( void *dest, const void *src, size_t len ) {
: "memory" );
return dest;
}
#endif
static inline __attribute__ (( always_inline )) void *
__constant_memcpy ( void *dest, const void *src, size_t len ) {