47 lines
1.2 KiB
Factor
47 lines
1.2 KiB
Factor
! 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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USING: alien assembler kernel math ;
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M: %alien-invoke generate-node ( vop -- )
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dup 0 vop-in swap 1 vop-in load-library compile-c-call ;
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: stack-reserve 8 + 16 align ;
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: stack@ 12 + ;
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M: %parameters generate-node ( vop -- )
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0 vop-in dup 0 =
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[ drop ] [ stack-reserve 1 1 rot SUBI ] ifte ;
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GENERIC: store-insn
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GENERIC: load-insn
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GENERIC: return-reg
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M: int-regs store-insn drop STW ;
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M: int-regs return-reg drop 3 ;
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M: int-regs load-insn drop 3 + 1 rot LWZ ;
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M: float-regs store-insn
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float-regs-size 4 = [ STFS ] [ STFD ] ifte ;
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M: float-regs return-reg drop 1 ;
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M: float-regs load-insn
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>r 1 + 1 rot r> float-regs-size 4 = [ LFS ] [ LFD ] ifte ;
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M: %unbox generate-node ( vop -- )
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[ 1 vop-in f compile-c-call ] keep
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[ 2 vop-in return-reg 1 ] keep
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[ 0 vop-in stack@ ] keep
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2 vop-in store-insn ;
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M: %parameter generate-node ( vop -- )
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dup 0 vop-in stack@
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over 1 vop-in
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rot 2 vop-in load-insn ;
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M: %box generate-node ( vop -- )
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0 vop-in f compile-c-call ;
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M: %cleanup generate-node ( vop -- )
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0 vop-in dup 0 =
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[ drop ] [ stack-reserve 1 1 rot ADDI ] ifte ;
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