New function: SB-EXT:SPIN-LOOP-HINT

[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 e591b24..b7b0aa9 100644 (file)
--- a/src/compiler/x86-64/macros.lisp
+++ b/src/compiler/x86-64/macros.lisp
@@ -41,11 +41,8 @@
   (once-only ((value value))
     `(cond ((and (integerp ,value)
                  (not (typep ,value '(signed-byte 32))))
-            (multiple-value-bind (lo hi) (dwords-for-quad ,value)
-              (inst mov (make-ea-for-object-slot-half
-                         ,ptr ,slot ,lowtag) lo)
-              (inst mov (make-ea-for-object-slot-half
-                         ,ptr (+ ,slot 1/2) ,lowtag) hi)))
+            (inst mov temp-reg-tn ,value)
+            (inst mov (make-ea-for-object-slot ,ptr ,slot ,lowtag) temp-reg-tn))
            (t
             (inst mov (make-ea-for-object-slot ,ptr ,slot ,lowtag) ,value)))))
 
@@ -236,7 +233,7 @@
 ;;;; error code
 (defun emit-error-break (vop kind code values)
   (assemble ()
-    #!-darwin
+    #!-ud2-breakpoints
     (inst int 3)                  ; i386 breakpoint instruction
     ;; On Darwin, we need to use #x0b0f instead of int3 in order
     ;; to generate a SIGILL instead of a SIGTRAP as darwin/x86
@@ -244,7 +241,7 @@
     ;; handlers. Hopefully this will be fixed by Apple at a
     ;; later date. Do the same on x86-64 as we do on x86 until this gets
     ;; sorted out.
-    #!+darwin
+    #!+ud2-breakpoints
     (inst word #x0b0f)
     ;; The return PC points here; note the location for the debugger.
     (when vop