X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcode%2Fearly-type.lisp;h=20f164293f76c8182e73159d6ac39784800e79b1;hb=77641d60a8b001bf3ccc755f3fb9881ee8d4753f;hp=5b761c06ab1dcd4044cd039fd13536cbf10dbfbd;hpb=f066ad2b0b89c016ab9ceaac6de0758e4eb4c1fb;p=sbcl.git

diff --git a/src/code/early-type.lisp b/src/code/early-type.lisp
index 5b761c0..20f1642 100644
--- a/src/code/early-type.lisp
+++ b/src/code/early-type.lisp
@@ -134,8 +134,14 @@
             (:include args-type
                       (class-info (type-class-or-lose 'values)))
             (:constructor %make-values-type)
+            (:predicate %values-type-p)
             (:copier nil)))
 
+(declaim (inline value-type-p))
+(defun values-type-p (x)
+  (or (eq x *wild-type*)
+      (%values-type-p x)))
+
 (defun-cached (make-values-type-cached
                :hash-bits 8
                :hash-function (lambda (req opt rest allowp)
@@ -527,6 +533,29 @@
          (t (values min :maybe))))
     ()))
 
+;;; A SIMD-PACK-TYPE is used to represent a SIMD-PACK type.
+#!+sb-simd-pack
+(defstruct (simd-pack-type
+            (:include ctype (class-info (type-class-or-lose 'simd-pack)))
+            (:constructor %make-simd-pack-type (element-type))
+            (:copier nil))
+  (element-type (missing-arg)
+   :type (cons #||(member #.*simd-pack-element-types*) ||#)
+   :read-only t))
+
+#!+sb-simd-pack
+(defun make-simd-pack-type (element-type)
+  (aver (neq element-type *wild-type*))
+  (if (eq element-type *empty-type*)
+      *empty-type*
+      (%make-simd-pack-type
+       (dolist (pack-type *simd-pack-element-types*
+                          (error "~S element type must be a subtype of ~
+                                     ~{~S~#[~;, or ~:;, ~]~}."
+                                 'simd-pack *simd-pack-element-types*))
+         (when (csubtypep element-type (specifier-type pack-type))
+           (return (list pack-type)))))))
+
 
 ;;;; type utilities