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• Xregs32i

Xregs32i-fix

Fixer for xregs32i.

Signature

(xregs32i-fix x) → *

Arguments

x — Guard (xregs32ip x).

Definitions and Theorems

Function: xregs32i-fix

(defun xregs32i-fix (x)
  (declare (xargs :guard (xregs32ip x)))
  (mbe :logic
       (if (xregs32ip x)
           x
         (acl2::ubyte32-list-fix (take 31 x)))
       :exec x))

Theorem: xregs32ip-of-xregs32i-fix

(defthm xregs32ip-of-xregs32i-fix
  (xregs32ip (xregs32i-fix x)))

Theorem: xregs32i-fix-when-xregs32ip

(defthm xregs32i-fix-when-xregs32ip
  (implies (xregs32ip x)
           (equal (xregs32i-fix x) x)))