naruse	2009-10-27 10:29:22 +0900 (Tue, 27 Oct 2009)

  New Revision: 25507

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=25507

  Log:
    * gc.c (SET_MACHINE_STACK_END): add x86_64 version by nobu.

  Modified files:
    trunk/ChangeLog
    trunk/gc.h

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 25506)
+++ ChangeLog	(revision 25507)
@@ -1,3 +1,7 @@
+Tue Oct 27 09:40:55 2009  NARUSE, Yui  <naruse@r...>
+
+	* gc.c (SET_MACHINE_STACK_END): add x86_64 version by nobu.
+
 Tue Oct 27 09:27:59 2009  NARUSE, Yui  <naruse@r...>
 
 	* vm_exec.c (DECL_SC_REG): use __clang__.
@@ -27,7 +31,7 @@
 Tue Oct 27 05:11:49 2009  NARUSE, Yui  <naruse@r...>
 
 	* vm_exec.c (DECL_SC_REG): check defined(__asm__) before use it.
-	  LLVM/clang defines __GNUC__ but doesn't have __asm__..
+	  LLVM/clang defines __GNUC__ but doesn't have __asm__.
 
 Tue Oct 27 03:45:39 2009  Nobuyoshi Nakada  <nobu@r...>
 
Index: gc.h
===================================================================
--- gc.h	(revision 25506)
+++ gc.h	(revision 25507)
@@ -2,7 +2,9 @@
 #ifndef RUBY_GC_H
 #define RUBY_GC_H 1
 
-#if defined(__i386) && defined(__GNUC__)
+#if defined(__x86_64__) && defined(__GNUC__)
+#define SET_MACHINE_STACK_END(p) __asm__("mov %%rsp, %0" : "=r" (*p))
+#elif defined(__i386) && defined(__GNUC__)
 #define SET_MACHINE_STACK_END(p) __asm__("mov %%esp, %0" : "=r" (*p))
 #else
 NOINLINE(void rb_gc_set_stack_end(VALUE **stack_end_p));

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