Index: config/i386/i386.c
===================================================================
RCS file: /cvsroot/gcc/gcc/gcc/config/i386/i386.c,v
retrieving revision 1.446.2.18
diff -u -p -r1.446.2.18 i386.c
--- config/i386/i386.c	12 Feb 2003 17:10:17 -0000	1.446.2.18
+++ config/i386/i386.c	15 Feb 2003 23:11:29 -0000
@@ -589,9 +589,22 @@ static int const x86_64_int_return_regis
 };
 
 /* The "default" register map used in 64bit mode.  */
+
+/* GCC <-> Dwarf2 mapping of registers
+   name   gcc   Dwarf2 
+   %rax     0        0
+   %rbx     3        1
+   %rcx     2        2
+   %rdx     1        3
+   %rsi     4        4
+   %rdi     5        5
+   %rbp     6        6
+   %rsp     7        7
+*/
+    
 int const dbx64_register_map[FIRST_PSEUDO_REGISTER] =
 {
-  0, 1, 2, 3, 4, 5, 6, 7,		/* general regs */
+  0, 3, 2, 1, 4, 5, 6, 7,		/* general regs */
   33, 34, 35, 36, 37, 38, 39, 40,	/* fp regs */
   -1, -1, -1, -1, -1,			/* arg, flags, fpsr, dir, frame */
   17, 18, 19, 20, 21, 22, 23, 24,	/* SSE */