immediate-comparand? ( n -- ? )
CPU architecture description model

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Vocabulary
cpu.architecture

Inputs

n

a number

Outputs

?

a boolean

Word description
Can this value be an immediate operand for %compare-imm or %compare-imm-branch?

Definition

USING: system ;

IN: cpu.architecture

HOOK: immediate-comparand? cpu ( n -- ? )

Methods

USING: cpu.architecture kernel system ;

M: arm.64 immediate-comparand? drop f ;


USING: combinators cpu.architecture kernel layouts math ;

M: object immediate-comparand?
    {
        { [ dup fixnum? ] [ tag-fixnum immediate-arithmetic? ] }
        { [ dup not ] [ drop t ] }
        [ drop f ]
    } cond ;