##prologue

Vocabulary

compiler.cfg.instructions

Class description

An instruction for generating the prologue for a cfg. All it does is decrementing the stack register a number of cells to give the generated code some stack space to work with.

See also

##epilogue

Definition

IN: compiler.cfg.instructions

TUPLE: ##prologue < insn insn# ;

Methods

USING: accessors compiler.cfg compiler.cfg.instructions
compiler.codegen cpu.architecture kernel namespaces ;

M: ##prologue generate-insn
    drop cfg get stack-frame>> [ total-size>> %prologue ] when*
    ;