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Xregfile32

Xregfile32-fix

Fixer for xregfile32.

Signature
(xregfile32-fix x) → *
Arguments: x — Guard (xregfile32p x).

Definitions and Theorems

Function: xregfile32-fix

(defun xregfile32-fix (x)
  (declare (xargs :guard (xregfile32p x)))
  (mbe :logic
       (if (xregfile32p x)
           x
         (acl2::ubyte32-list-fix (take 31 x)))
       :exec x))

Theorem: xregfile32p-of-xregfile32-fix

(defthm xregfile32p-of-xregfile32-fix
  (xregfile32p (xregfile32-fix x)))

Theorem: xregfile32-fix-when-xregfile32p

(defthm xregfile32-fix-when-xregfile32p
  (implies (xregfile32p x)
           (equal (xregfile32-fix x) x)))