Microoptimise TN-LEXICAL-DEPTH

[sbcl.git] / src / compiler / sparc / sanctify.lisp

diff --git a/src/compiler/sparc/sanctify.lisp b/src/compiler/sparc/sanctify.lisp
index 87e5d5e..06bbfe0 100644 (file)
--- a/src/compiler/sparc/sanctify.lisp
+++ b/src/compiler/sparc/sanctify.lisp
@@ -7,14 +7,26 @@
 ;;;; While most of SBCL is derived from the CMU CL system, the test
 ;;;; files (like this one) were written from scratch after the fork
 ;;;; from CMU CL.
-;;;; 
+;;;;
 ;;;; This software is in the public domain and is provided with
 ;;;; absolutely no warranty. See the COPYING and CREDITS files for
 ;;;; more information.
 
-(in-package :sb!vm)
+(in-package "SB!VM")
 
+;;; The comments in some of the cmucl source read that "the i and d
+;;; caches are unified, and so there is no need to flush them."
+;;;
+;;; Other bits of the cmucl source say that this is not true for
+;;; "newer machines, such as the SuperSPARC and MicroSPARC based
+;;; ones". Welcome to the 21st century... -- CSR, 2002-05-06
 (defun sanctify-for-execution (component)
-  (declare (ignore component))
+  (without-gcing
+   (alien-funcall (extern-alien "os_flush_icache"
+                                (function void
+                                          system-area-pointer
+                                          unsigned-long))
+                  (code-instructions component)
+                  (* (code-header-ref component code-code-size-slot)
+                     n-word-bytes)))
   nil)
-