53 lines
1.4 KiB
Factor
53 lines
1.4 KiB
Factor
! Copyright (C) 2005, 2006 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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IN: compiler-backend
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USING: alien arrays assembler kernel kernel-internals math
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sequences ;
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GENERIC: store-insn ( offset reg-class -- )
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GENERIC: load-insn ( elt parameter reg-class -- )
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: stack@ R10 RSP MOV R10 swap 2array ;
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M: int-regs store-insn
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drop stack@ RAX MOV ;
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M: int-regs load-insn
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fastcall-regs nth swap stack@ MOV ;
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: MOVSS/LPD float-regs-size 4 = [ MOVSS ] [ MOVLPD ] if ;
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M: float-regs store-insn
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>r stack@ XMM0 r> MOVSS/LPD ;
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M: float-regs load-insn
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[ fastcall-regs nth swap stack@ ] keep MOVSS/LPD ;
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M: stack-params load-insn
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drop >r R11 swap stack@ MOV r> stack@ R11 MOV ;
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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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2 input f compile-c-call
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! Store the return value on the C stack
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0 input 1 input store-insn ;
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M: %stack>freg 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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: reset-sse RAX RAX XOR ;
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M: %alien-invoke generate-node
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reset-sse
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drop 0 input 1 input load-library compile-c-call ;
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: load-return-value ( reg-class -- )
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dup fastcall-regs first swap return-reg
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2dup eq? [ 2drop ] [ MOV ] if ;
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M: %box generate-node ( vop -- )
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drop 0 input load-return-value 1 input f compile-c-call ;
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