X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fcompiler%2Fx86-64%2Fmacros.lisp;h=e591b24f76b75eec357469443eda5ed448c0d60d;hb=8c564b785ae1dab0f1e04331f47638dde625372b;hp=018b43cb435a03502feee73ec0437be034c224cc;hpb=a157ed0be79751f85b8243c06102eea95af06aa3;p=sbcl.git

diff --git a/src/compiler/x86-64/macros.lisp b/src/compiler/x86-64/macros.lisp
index 018b43c..e591b24 100644
--- a/src/compiler/x86-64/macros.lisp
+++ b/src/compiler/x86-64/macros.lisp
@@ -292,6 +292,14 @@
        (progn ,@body)
        (pseudo-atomic ,@body)))
 
+;;; 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 :qword :base thread-base-tn
+              :disp (* 8 thread-pseudo-atomic-bits-slot))
+    0))
+
 #!+sb-thread
 (defmacro pseudo-atomic (&rest forms)
   (with-unique-names (label)