1.0.3.13: working NaN comparison tests outside Darwin

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

diff --git a/src/compiler/x86/macros.lisp b/src/compiler/x86/macros.lisp
index dba9b91..7df414a 100644 (file)
--- a/src/compiler/x86/macros.lisp
+++ b/src/compiler/x86/macros.lisp
@@ -46,8 +46,8 @@
     `(unless (location= ,n-dst ,n-src)
        (inst mov ,n-dst ,n-src))))
 
-(defmacro make-ea-for-object-slot (ptr slot lowtag)
-  `(make-ea :dword :base ,ptr :disp (- (* ,slot n-word-bytes) ,lowtag)))
+(defmacro make-ea-for-object-slot (ptr slot lowtag &optional (size :dword))
+  `(make-ea ,size :base ,ptr :disp (- (* ,slot n-word-bytes) ,lowtag)))
 
 (defmacro loadw (value ptr &optional (slot 0) (lowtag 0))
   `(inst mov ,value (make-ea-for-object-slot ,ptr ,slot ,lowtag)))
@@ -56,6 +56,11 @@
   (once-only ((value value))
     `(inst mov (make-ea-for-object-slot ,ptr ,slot ,lowtag) ,value)))
 
+;;; A handy macro for storing widetags.
+(defmacro storeb (value ptr &optional (slot 0) (lowtag 0))
+  (once-only ((value value))
+    `(inst mov (make-ea-for-object-slot ,ptr ,slot ,lowtag :byte) ,value)))
+
 (defmacro pushw (ptr &optional (slot 0) (lowtag 0))
   `(inst push (make-ea-for-object-slot ,ptr ,slot ,lowtag)))
 
@@ -427,8 +432,6 @@
        (:results (value :scs ,scs))
        (:result-types ,el-type)
        (:generator 3                    ; pw was 5
-         (unless (zerop offset)
-           (format t "Attempting D-F-R-O, offset ~D~%" offset))
          (sc-case index
            (immediate
             (inst mov value (make-ea :dword :base object
@@ -504,7 +507,7 @@
         (move result value)))))
 
 ;;; helper for alien stuff.
-(defmacro with-pinned-objects ((&rest objects) &body body)
+(def!macro 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