Implements svex-argmasks for
(svmask-for-+ mask args) → argmasks
We can't do anything smart here. Since
It would be possible to improve the mask in the case that we knew some bit
of some argument was
Function:
(defun svmask-for-+$inline (mask args) (declare (xargs :guard (and (4vmask-p mask) (svexlist-p args)))) (let ((__function__ 'svmask-for-+)) (declare (ignorable __function__)) (b* ((mask (4vmask-fix mask))) (b* ((argmask (4vmask-all-or-none mask))) (list argmask argmask)))))
Theorem:
(defthm 4vmasklist-p-of-svmask-for-+ (b* ((argmasks (svmask-for-+$inline mask args))) (4vmasklist-p argmasks)) :rule-classes :rewrite)
Theorem:
(defthm svmask-for-+$inline-of-4vmask-fix-mask (equal (svmask-for-+$inline (4vmask-fix mask) args) (svmask-for-+$inline mask args)))
Theorem:
(defthm svmask-for-+$inline-4vmask-equiv-congruence-on-mask (implies (4vmask-equiv mask mask-equiv) (equal (svmask-for-+$inline mask args) (svmask-for-+$inline mask-equiv args))) :rule-classes :congruence)
Theorem:
(defthm svmask-for-+$inline-of-svexlist-fix-args (equal (svmask-for-+$inline mask (svexlist-fix args)) (svmask-for-+$inline mask args)))
Theorem:
(defthm svmask-for-+$inline-svexlist-equiv-congruence-on-args (implies (svexlist-equiv args args-equiv) (equal (svmask-for-+$inline mask args) (svmask-for-+$inline mask args-equiv))) :rule-classes :congruence)
Theorem:
(defthm svmask-for-+-correct (implies (and (equal (4veclist-mask (svmask-for-+ mask args) (svexlist-eval args env)) (4veclist-mask (svmask-for-+ mask args) args1)) (syntaxp (not (equal args1 (cons 'svexlist-eval (cons args (cons env 'nil))))))) (equal (4vec-mask mask (svex-apply '+ args1)) (4vec-mask mask (svex-apply '+ (svexlist-eval args env))))))