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Instruction-cast

Make-instruction-cast

Basic constructor macro for instruction-cast structures.

Syntax

(make-instruction-cast [:args <args>] 
                       [:into <into>] 
                       [:as <as>])

This is the usual way to construct instruction-cast structures. It simply conses together a structure with the specified fields.

This macro generates a new instruction-cast structure from scratch. See also change-instruction-cast, which can "change" an existing structure, instead.

Definition

This is an ordinary make- macro introduced by fty::defprod.

Macro: make-instruction-cast

(defmacro make-instruction-cast (&rest args)
  (std::make-aggregate 'instruction-cast
                       args '((:args) (:into) (:as))
                       'make-instruction-cast
                       nil))

Function: instruction-cast

(defun instruction-cast (args into as)
  (declare (xargs :guard (and (operand-listp args)
                              (registerp into)
                              (register-typep as))))
  (declare (xargs :guard t))
  (let ((__function__ 'instruction-cast))
    (declare (ignorable __function__))
    (b* ((args (mbe :logic (operand-list-fix args)
                    :exec args))
         (into (mbe :logic (register-fix into)
                    :exec into))
         (as (mbe :logic (register-type-fix as)
                  :exec as)))
      (cons :cast (list args into as)))))