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• Memory32

Memory32-fix

Fixer for memory32.

Signature

(memory32-fix x) → *

Arguments

x — Guard (memory32p x).

Definitions and Theorems

Function: memory32-fix

(defun memory32-fix (x)
  (declare (xargs :guard (memory32p x)))
  (mbe :logic
       (if (memory32p x)
           x
         (acl2::ubyte8-list-fix (take 4294967296 x)))
       :exec x))

Theorem: memory32p-of-memory32-fix

(defthm memory32p-of-memory32-fix
  (memory32p (memory32-fix x)))

Theorem: memory32-fix-when-memory32p

(defthm memory32-fix-when-memory32p
  (implies (memory32p x)
           (equal (memory32-fix x) x)))