1.0.41.35: ppc: Implement compare-and-swap-vops.

[sbcl.git] / src / compiler / ppc / array.lisp

diff --git a/src/compiler/ppc/array.lisp b/src/compiler/ppc/array.lisp
index 8ae5ee1..37cf6ea 100644 (file)
--- a/src/compiler/ppc/array.lisp
+++ b/src/compiler/ppc/array.lisp
@@ -140,6 +140,13 @@
   (def-data-vector-frobs simple-array-signed-byte-32 word-index
     signed-num signed-reg))
 
+#!+compare-and-swap-vops
+(define-vop (%compare-and-swap-svref word-index-cas)
+  (:note "inline array compare-and-swap")
+  (:policy :fast-safe)
+  (:variant vector-data-offset other-pointer-lowtag)
+  (:translate %compare-and-swap-svref)
+  (:arg-types simple-vector positive-fixnum * *))
 
 ;;; Integer vectors whos elements are smaller than a byte.  I.e. bit, 2-bit,
 ;;; and 4-bit vectors.