2005-12-10 01:02:13 -05:00
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! Copyright (C) 2005 Slava Pestov.
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! See http://factor.sf.net/license.txt for BSD license.
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IN: compiler-backend
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2006-01-20 21:37:38 -05:00
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USING: alien assembler kernel math sequences ;
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2006-01-21 03:23:14 -05:00
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! GENERIC: store-insn ( offset reg-class -- )
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!
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! GENERIC: load-insn ( elt parameter reg-class -- )
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!
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! M: int-regs store-insn drop >r 3 1 r> stack@ STW ;
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!
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! M: int-regs load-insn drop 3 + 1 rot stack@ LWZ ;
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!
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! M: %unbox generate-node ( vop -- )
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! drop
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! ! Call the unboxer
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! 1 input f compile-c-call
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! ! Store the return value on the C stack
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! 0 input 2 input store-insn ;
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!
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! M: %parameter generate-node ( vop -- )
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! ! Move a value from the C stack into the fastcall register
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! drop 0 input 1 input 2 input load-insn ;
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!
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! M: %box generate-node ( vop -- )
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! drop
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! ! Move return value of C function into input register
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! param-regs first RAX MOV
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! 0 input f compile-c-call ;
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!
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! M: %cleanup generate-node ( vop -- ) drop ;
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