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Structures

Evex->w

Get the W field of evex-prefixes.

Signature
(evex->w evex-prefixes) → w
Arguments: evex-prefixes — Guard (evex-prefixes-p evex-prefixes).
Returns: w — Type (unsigned-byte-p 1 w), given the guard.

Definitions and Theorems

Function: evex->w$inline

(defun evex->w$inline (evex-prefixes)
  (declare (xargs :guard (evex-prefixes-p evex-prefixes)))
  (evex-byte2->w (evex-prefixes->byte2 evex-prefixes)))

Theorem: return-type-of-evex->w

(defthm return-type-of-evex->w
  (implies (and (evex-prefixes-p$inline evex-prefixes))
           (b* ((w (evex->w$inline evex-prefixes)))
             (unsigned-byte-p 1 w)))
  :rule-classes :rewrite)