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• Zmms-reads-and-writes

Zmmi-size

Signature

(zmmi-size nbytes index x86) → val

Returns

val — Type (natp val).

Definitions and Theorems

Function: zmmi-size$inline

(defun zmmi-size$inline (nbytes index x86)
  (declare (xargs :stobjs (x86)))
  (declare (type (unsigned-byte 7) nbytes)
           (type (unsigned-byte 5) index))
  (declare (xargs :guard (member nbytes '(4 8 16 32 64))))
  (case nbytes
    (4 (rz32 index x86))
    (8 (rz64 index x86))
    (16 (rz128 index x86))
    (32 (rz256 index x86))
    (64 (rz512 index x86))
    (otherwise 0)))

Theorem: natp-of-zmmi-size

(defthm natp-of-zmmi-size
  (b* ((val (zmmi-size$inline nbytes index x86)))
    (natp val))
  :rule-classes :type-prescription)