X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86%2Fc-call.lisp;h=0672d532e4213805777b5d4a2ac3b238a4091381;hb=079ef9dad558ca07cb8178ef428bf738112174fa;hp=c40c98ccc6799117f12ec81aa68a243295789132;hpb=57e21c4b62e8c1a1ee7ef59ed2abb0c864fb06bc;p=sbcl.git

diff --git a/src/compiler/x86/c-call.lisp b/src/compiler/x86/c-call.lisp
index c40c98c..0672d53 100644
--- a/src/compiler/x86/c-call.lisp
+++ b/src/compiler/x86/c-call.lisp
@@ -181,20 +181,29 @@
                                     ,@(new-args))))))
         (sb!c::give-up-ir1-transform))))
 
-
-
-
 (define-vop (foreign-symbol-address)
   (:translate foreign-symbol-address)
   (:policy :fast-safe)
   (:args)
-  (:arg-types (:constant simple-base-string))
+  (:arg-types (:constant simple-string))
   (:info foreign-symbol)
   (:results (res :scs (sap-reg)))
   (:result-types system-area-pointer)
   (:generator 2
    (inst lea res (make-fixup (extern-alien-name foreign-symbol) :foreign))))
 
+#!+linkage-table
+(define-vop (foreign-symbol-dataref-address)
+  (:translate foreign-symbol-dataref-address)
+  (:policy :fast-safe)
+  (:args)
+  (:arg-types (:constant simple-string))
+  (:info foreign-symbol)
+  (:results (res :scs (sap-reg)))
+  (:result-types system-area-pointer)
+  (:generator 2
+   (inst mov res (make-fixup (extern-alien-name foreign-symbol) :foreign-dataref))))
+
 (define-vop (call-out)
   (:args (function :scs (sap-reg))
 	 (args :more t))
@@ -237,8 +246,16 @@
 (define-vop (alloc-number-stack-space)
   (:info amount)
   (:results (result :scs (sap-reg any-reg)))
+  (:node-var node)
   (:generator 0
     (aver (location= result esp-tn))
+    (when (policy node (= sb!c::float-accuracy 3))
+      (inst sub esp-tn 4)
+      (inst fnstcw (make-ea :word :base esp-tn))
+      (inst wait)
+      (inst or (make-ea :word :base esp-tn) #x300)
+      (inst fldcw (make-ea :word :base esp-tn))
+      (inst wait))
     (unless (zerop amount)
       (let ((delta (logandc2 (+ amount 3) 3)))
 	(inst sub esp-tn delta)))
@@ -246,10 +263,18 @@
 
 (define-vop (dealloc-number-stack-space)
   (:info amount)
+  (:node-var node)
   (:generator 0
     (unless (zerop amount)
       (let ((delta (logandc2 (+ amount 3) 3)))
-	(inst add esp-tn delta)))))
+	(inst add esp-tn delta)))
+    (when (policy node (= sb!c::float-accuracy 3))
+      (inst fnstcw (make-ea :word :base esp-tn))
+      (inst wait)
+      (inst and (make-ea :word :base esp-tn) #xfeff)
+      (inst fldcw (make-ea :word :base esp-tn))
+      (inst wait)
+      (inst add esp-tn 4))))
 
 (define-vop (alloc-alien-stack-space)
   (:info amount)