X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fmips%2Fmacros.lisp;h=943df6304581979fae2fad1847edfb9702927c05;hb=1d46d379bb7a6424524b978f213ef69be5f1ad69;hp=4a0efed8ce726d2bbe50a7e7fb3c799784605183;hpb=670010e3f3dcd62efaf23f61abdc73950edb88c6;p=sbcl.git

diff --git a/src/compiler/mips/macros.lisp b/src/compiler/mips/macros.lisp
index 4a0efed..943df63 100644
--- a/src/compiler/mips/macros.lisp
+++ b/src/compiler/mips/macros.lisp
@@ -373,7 +373,7 @@
 						  ,(eval offset))))
 	 (:results (value :scs ,scs))
 	 (:result-types ,el-type)
-	 (:generator 5
+	 (:generator 4
 	   (inst ,(ecase size
 		    (:byte (if signed 'lb 'lbu))
 		    (:short (if signed 'lh 'lhu)))
@@ -417,9 +417,18 @@
 		     ,el-type)
 	 (:results (result :scs ,scs))
 	 (:result-types ,el-type)
-	 (:generator 5
+	 (:generator 4
 	   (inst ,(ecase size (:byte 'sb) (:short 'sh))
 		 value object
-		 (- (* ,offset n-word-bytes) (* index ,scale) ,lowtag))
+		 (- (+ (* ,offset n-word-bytes) (* index ,scale)) ,lowtag))
 	   (move result value))))))
 
+
+(defmacro sb!sys::with-pinned-objects ((&rest objects) &body body)
+  "Arrange with the garbage collector that the pages occupied by
+OBJECTS will not be moved in memory for the duration of BODY.
+Useful for e.g. foreign calls where another thread may trigger
+garbage collection.  This is currently implemented by disabling GC"
+  (declare (ignore objects))		;should we eval these for side-effect?
+  `(without-gcing
+    ,@body))