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• Vl-consteval

Vl-consteval-ans

Signature

(vl-consteval-ans &key value width type) → ans

Arguments

value — Guard (natp value).

width — Guard (posp width).

type — Guard (vl-exprtype-p type).

Returns

ans — Type (vl-expr-p ans).

Definitions and Theorems

Function: vl-consteval-ans-fn

(defun vl-consteval-ans-fn (value width type)
  (declare (xargs :guard (and (natp value)
                              (posp width)
                              (vl-exprtype-p type))))
  (declare (xargs :guard (unsigned-byte-p width value)))
  (let ((__function__ 'vl-consteval-ans))
    (declare (ignorable __function__))
    (b* ((width (lposfix width))
         (type (vl-exprtype-fix type))
         (guts (make-vl-constint :value value
                                 :origwidth width
                                 :origtype type))
         (ans (make-vl-atom :guts guts
                            :finalwidth width
                            :finaltype type)))
      ans)))

Theorem: vl-expr-p-of-vl-consteval-ans

(defthm vl-expr-p-of-vl-consteval-ans
  (b* ((ans (vl-consteval-ans-fn value width type)))
    (vl-expr-p ans))
  :rule-classes :rewrite)

Theorem: vl-expr-resolved-p-of-vl-consteval-ans

(defthm vl-expr-resolved-p-of-vl-consteval-ans
  (vl-expr-resolved-p (vl-consteval-ans :value value
                                        :width width
                                        :type type)))

Theorem: vl-expr-welltyped-p-of-vl-consteval-ans

(defthm vl-expr-welltyped-p-of-vl-consteval-ans
  (vl-expr-welltyped-p (vl-consteval-ans :value value
                                         :width width
                                         :type type)))

Theorem: vl-expr->finalwidth-of-vl-consteval-ans

(defthm vl-expr->finalwidth-of-vl-consteval-ans
  (equal (vl-expr->finalwidth (vl-consteval-ans :value value
                                                :width width
                                                :type type))
         (pos-fix width)))

Theorem: vl-expr->finaltype-of-vl-consteval-ans

(defthm vl-expr->finaltype-of-vl-consteval-ans
  (equal (vl-expr->finaltype (vl-consteval-ans :value value
                                               :width width
                                               :type type))
         (vl-exprtype-fix type)))

Theorem: vl-consteval-ans-fn-of-nfix-value

(defthm vl-consteval-ans-fn-of-nfix-value
  (equal (vl-consteval-ans-fn (nfix value)
                              width type)
         (vl-consteval-ans-fn value width type)))

Theorem: vl-consteval-ans-fn-nat-equiv-congruence-on-value

(defthm vl-consteval-ans-fn-nat-equiv-congruence-on-value
  (implies (acl2::nat-equiv value value-equiv)
           (equal (vl-consteval-ans-fn value width type)
                  (vl-consteval-ans-fn value-equiv width type)))
  :rule-classes :congruence)

Theorem: vl-consteval-ans-fn-of-pos-fix-width

(defthm vl-consteval-ans-fn-of-pos-fix-width
  (equal (vl-consteval-ans-fn value (pos-fix width)
                              type)
         (vl-consteval-ans-fn value width type)))

Theorem: vl-consteval-ans-fn-pos-equiv-congruence-on-width

(defthm vl-consteval-ans-fn-pos-equiv-congruence-on-width
  (implies (acl2::pos-equiv width width-equiv)
           (equal (vl-consteval-ans-fn value width type)
                  (vl-consteval-ans-fn value width-equiv type)))
  :rule-classes :congruence)

Theorem: vl-consteval-ans-fn-of-vl-exprtype-fix-type

(defthm vl-consteval-ans-fn-of-vl-exprtype-fix-type
  (equal (vl-consteval-ans-fn value width (vl-exprtype-fix type))
         (vl-consteval-ans-fn value width type)))

Theorem: vl-consteval-ans-fn-vl-exprtype-equiv-congruence-on-type

(defthm vl-consteval-ans-fn-vl-exprtype-equiv-congruence-on-type
  (implies (vl-exprtype-equiv type type-equiv)
           (equal (vl-consteval-ans-fn value width type)
                  (vl-consteval-ans-fn value width type-equiv)))
  :rule-classes :congruence)