26 lines
527 B
Factor
26 lines
527 B
Factor
|
! Copyright (C) 2009 Slava Pestov.
|
||
|
|
! See http://factorcode.org/license.txt for BSD license.
|
||
|
|
USING: system kernel math alien.syntax ;
|
||
|
|
IN: cpu.x86.features
|
||
|
|
|
||
|
|
<PRIVATE
|
||
|
|
|
||
|
|
FUNCTION: bool check_sse2 ( ) ;
|
||
|
|
|
||
|
|
FUNCTION: longlong read_timestamp_counter ( ) ;
|
||
|
|
|
||
|
|
PRIVATE>
|
||
|
|
|
||
|
|
HOOK: sse2? cpu ( -- ? )
|
||
|
|
|
||
|
|
M: x86.32 sse2? check_sse2 ;
|
||
|
|
|
||
|
|
M: x86.64 sse2? t ;
|
||
|
|
|
||
|
|
HOOK: instruction-count cpu ( -- n )
|
||
|
|
|
||
|
|
M: x86 instruction-count read_timestamp_counter ;
|
||
|
|
|
||
|
|
: count-instructions ( quot -- n )
|
||
|
|
instruction-count [ call ] dip instruction-count swap - ; inline
|