return-regs ( -- regs )
CPU architecture description model

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Vocabulary
cpu.architecture

Inputs
None

Outputs

regs

an assoc

Word description
What registers that will be used for function return values of which class.

Definition

USING: system ;

IN: cpu.architecture

HOOK: return-regs cpu ( -- regs )

Methods

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

M: arm.64 return-regs
    {
        { int-regs { X0 X1 X2 X3 X4 X5 X6 X7 X8 } }
        { float-regs { V0 V1 V2 V3 V4 V5 V6 V7 } }
    } ;


USING: cpu.architecture cpu.x86.assembler.operands system ;

M: x86.64 return-regs
    { { int-regs { RAX RDX } } { float-regs { XMM0 XMM1 } } } ;