X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86%2Fmacros.lisp;h=af6f52d05cbb3785634fe7db3486e2830d43301e;hb=1e337a63f5a717b531752ed40021b01a86d89b51;hp=29d30093a27d24d6687dc56ac477e8e10409e87f;hpb=09ba205d5ff72b9f4b1ffcf8743809c01a9c69e5;p=sbcl.git

diff --git a/src/compiler/x86/macros.lisp b/src/compiler/x86/macros.lisp
index 29d3009..af6f52d 100644
--- a/src/compiler/x86/macros.lisp
+++ b/src/compiler/x86/macros.lisp
@@ -350,6 +350,12 @@
        (progn ,@forms)
        (pseudo-atomic ,@forms)))
 
+;;; Unsafely clear pa flags so that the image can properly lose in a
+;;; pa section.
+#!+sb-thread
+(defmacro %clear-pseudo-atomic ()
+  '(inst mov (make-ea :dword :disp (* 4 thread-pseudo-atomic-bits-slot)) 0 :fs))
+
 #!+sb-thread
 (defmacro pseudo-atomic (&rest forms)
   (with-unique-names (label)