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Instr-op-imm-32

Make-instr-op-imm-32

Basic constructor macro for instr-op-imm-32 structures.

Syntax

(make-instr-op-imm-32 [:funct <funct>] 
                      [:rd <rd>] 
                      [:rs1 <rs1>] 
                      [:imm <imm>])

This is the usual way to construct instr-op-imm-32 structures. It simply conses together a structure with the specified fields.

This macro generates a new instr-op-imm-32 structure from scratch. See also change-instr-op-imm-32, which can "change" an existing structure, instead.

Definition

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

Macro: make-instr-op-imm-32

(defmacro make-instr-op-imm-32 (&rest args)
  (std::make-aggregate 'instr-op-imm-32
                       args '((:funct) (:rd) (:rs1) (:imm))
                       'make-instr-op-imm-32
                       nil))

Function: instr-op-imm-32

(defun instr-op-imm-32 (funct rd rs1 imm)
  (declare (xargs :guard (and (op-imm-32-funct-p funct)
                              (ubyte5p rd)
                              (ubyte5p rs1)
                              (ubyte12p imm))))
  (declare (xargs :guard t))
  (b* ((funct (mbe :logic (op-imm-32-funct-fix funct)
                   :exec funct))
       (rd (mbe :logic (ubyte5-fix rd) :exec rd))
       (rs1 (mbe :logic (ubyte5-fix rs1) :exec rs1))
       (imm (mbe :logic (ubyte12-fix imm)
                 :exec imm)))
    (cons :op-imm-32 (list funct rd rs1 imm))))