%sub-imm ( dst src1 src2 -- )
CPU architecture description model

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Vocabulary
cpu.architecture

Inputs

dst	an object
src1	an object
src2	an object

Outputs
None

Definition

USING: system ;

IN: cpu.architecture

HOOK: %sub-imm cpu ( dst src1 src2 -- )

Methods

USING: cpu.architecture cpu.arm.64.assembler kernel system ;

M: arm.64 %sub-imm spin SUBi ;


USING: combinators cpu.architecture cpu.x86.assembler
cpu.x86.assembler.operands kernel math system ;

M: x86 %sub-imm
    2over eq?
    [ nip { { 1 [ DEC ] } { -1 [ INC ] } [ SUB ] } case ]
    [ neg [+] LEA ] if ;