test-instruction? ( -- ? )
CPU architecture description model

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Vocabulary
cpu.architecture

Inputs
None

Outputs

?

a boolean

Word description
Does the current architecture have a test instruction? Used on x86 to rewrite some CMP instructions to less expensive TESTs.

Definition

USING: system ;

IN: cpu.architecture

HOOK: test-instruction? cpu ( -- ? )

Methods

USING: cpu.architecture system ;

M: arm.64 test-instruction? t ;


USING: cpu.architecture kernel ;

M: object test-instruction? f ;


USING: cpu.architecture system ;

M: x86 test-instruction? t ;