float-rep

Vocabulary

cpu.architecture

Definition

IN: cpu.architecture

SINGLETON: float-rep

Methods

USING: compiler.cfg.builder.alien.params cpu.architecture kernel
layouts math namespaces ;

M: float-rep alloc-stack-param
    stack-params get swap rep-size
    [ cell align stack-params +@ ] keep
    float-right-align-on-stack? [ + ] [ drop ] if ;


USING: cpu.architecture cpu.x86 cpu.x86.assembler kernel ;

M: float-rep copy-memory* drop MOVSS ;


USING: cpu.architecture cpu.x86 cpu.x86.assembler kernel ;

M: float-rep copy-register* drop MOVAPS ;


USING: cpu.architecture kernel ;

M: float-rep reg-class-of drop float-regs ;


USING: cpu.architecture kernel ;

M: float-rep rep-size drop 4 ;


USING: compiler.cfg.instructions compiler.cfg.registers
compiler.cfg.representations.conversion cpu.architecture ;

M:: float-rep rep>tagged ( dst src rep -- )
    double-rep next-vreg-rep :> temp temp src
    ##single>double-float, dst temp double-rep rep>tagged ;


USING: compiler.cfg.instructions compiler.cfg.registers
compiler.cfg.representations.conversion cpu.architecture ;

M:: float-rep tagged>rep ( dst src rep -- )
    double-rep next-vreg-rep :> temp temp src double-rep
    tagged>rep dst temp ##double>single-float, ;