0.9.9.19:

[sbcl.git] / src / compiler / x86-64 / macros.lisp

diff --git a/src/compiler/x86-64/macros.lisp b/src/compiler/x86-64/macros.lisp
index 002f7de..eeb35c1 100644 (file)
--- a/src/compiler/x86-64/macros.lisp
+++ b/src/compiler/x86-64/macros.lisp
@@ -19,7 +19,13 @@
   (once-only ((n-dst dst)
               (n-src src))
     `(unless (location= ,n-dst ,n-src)
-       (inst mov ,n-dst ,n-src))))
+       (sc-case ,n-dst
+         (single-reg
+          (inst movss ,n-dst ,n-src))
+         (double-reg
+          (inst movsd ,n-dst ,n-src))
+         (t
+          (inst mov ,n-dst ,n-src))))))
 
 (defmacro make-ea-for-object-slot (ptr slot lowtag)
   `(make-ea :qword :base ,ptr :disp (- (* ,slot n-word-bytes) ,lowtag)))
@@ -91,6 +97,21 @@
   (declare (ignore temp))
   `(store-symbol-value ,reg ,symbol))
 
+(defmacro load-binding-stack-pointer (reg)
+  #!+sb-thread
+  `(inst mov ,reg (make-ea :qword :base thread-base-tn
+                   :disp (* 8 thread-binding-stack-pointer-slot)))
+  #!-sb-thread
+  `(load-symbol-value ,reg *binding-stack-pointer*))
+
+(defmacro store-binding-stack-pointer (reg)
+  #!+sb-thread
+  `(inst mov (make-ea :qword :base thread-base-tn
+              :disp (* 8 thread-binding-stack-pointer-slot))
+    ,reg)
+  #!-sb-thread
+  `(store-symbol-value ,reg *binding-stack-pointer*))
+
 (defmacro load-type (target source &optional (offset 0))
   #!+sb-doc
   "Loads the type bits of a pointer into target independent of
@@ -286,9 +307,6 @@
     `(let ((,label (gen-label)))
       (inst mov (make-ea :byte
                  :base thread-base-tn
-                 :disp (* 8 thread-pseudo-atomic-interrupted-slot)) 0)
-      (inst mov (make-ea :byte
-                 :base thread-base-tn
                  :disp (* 8 thread-pseudo-atomic-atomic-slot))
             (fixnumize 1))
       ,@forms
@@ -313,14 +331,6 @@
       ;; something. (perhaps SVLB, for static variable low byte)
       (inst mov (make-ea :byte :disp (+ nil-value
                                         (static-symbol-offset
-                                         '*pseudo-atomic-interrupted*)
-                                        (ash symbol-value-slot word-shift)
-                                        ;; FIXME: Use mask, not minus, to
-                                        ;; take out type bits.
-                                        (- other-pointer-lowtag)))
-       0)
-      (inst mov (make-ea :byte :disp (+ nil-value
-                                        (static-symbol-offset
                                          '*pseudo-atomic-atomic*)
                                         (ash symbol-value-slot word-shift)
                                         (- other-pointer-lowtag)))
@@ -332,12 +342,6 @@
                                         (ash symbol-value-slot word-shift)
                                         (- other-pointer-lowtag)))
        0)
-      ;; KLUDGE: Is there any requirement for interrupts to be
-      ;; handled in order? It seems as though an interrupt coming
-      ;; in at this point will be executed before any pending interrupts.
-      ;; Or do incoming interrupts check to see whether any interrupts
-      ;; are pending? I wish I could find the documentation for
-      ;; pseudo-atomics.. -- WHN 19991130
       (inst cmp (make-ea :byte
                  :disp (+ nil-value
                           (static-symbol-offset