46 lines
1.2 KiB
Factor
46 lines
1.2 KiB
Factor
! Copyright (C) 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: system kernel memoize math math.order math.parser
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namespaces alien.c-types alien.syntax combinators locals init io
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compiler compiler.units accessors ;
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IN: cpu.x86.features
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<PRIVATE
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FUNCTION: int sse_version ( ) ;
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FUNCTION: longlong read_timestamp_counter ( ) ;
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PRIVATE>
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MEMO: sse-version ( -- n )
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sse_version
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"sse-version" get string>number [ min ] when* ;
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[ \ sse-version reset-memoized ] "cpu.x86.features" add-init-hook
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: sse? ( -- ? ) sse-version 10 >= ;
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: sse2? ( -- ? ) sse-version 20 >= ;
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: sse3? ( -- ? ) sse-version 30 >= ;
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: ssse3? ( -- ? ) sse-version 33 >= ;
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: sse4.1? ( -- ? ) sse-version 41 >= ;
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: sse4.2? ( -- ? ) sse-version 42 >= ;
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: sse-string ( version -- string )
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{
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{ 00 [ "no SSE" ] }
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{ 10 [ "SSE1" ] }
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{ 20 [ "SSE2" ] }
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{ 30 [ "SSE3" ] }
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{ 33 [ "SSSE3" ] }
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{ 41 [ "SSE4.1" ] }
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{ 42 [ "SSE4.2" ] }
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} case ;
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HOOK: instruction-count cpu ( -- n )
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M: x86 instruction-count read_timestamp_counter ;
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: count-instructions ( quot -- n )
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instruction-count [ call ] dip instruction-count swap - ; inline
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