Implement vtable jumps for x86-64.

From-SVN: r43860

gcc/ChangeLog

+2001-07-09  Bo Thorsen  <bo@suse.co.uk>
+
+	* config/i386/unix.h (ASM_OUTPUT_MI_THUNK): Fix x86-64 vtable support.
+
 2001-07-09  Neil Booth  <neil@daikokuya.demon.co.uk>
 
 	* final.c (output_addr_const): Use target opening and

gcc/config/i386/unix.h

@@ -106,7 +106,7 @@ do {									    \
     xops[1] = gen_rtx_MEM (SImode, plus_constant (stack_pointer_rtx, 4));   \
   output_asm_insn ("add{l} {%0, %1|%1, %0}", xops);			    \
 									    \
-  if (flag_pic)								    \
+  if (flag_pic && !TARGET_64BIT)					    \
     {									    \
       xops[0] = pic_offset_table_rtx;					    \
       xops[1] = gen_label_rtx ();					    \
@@ -124,6 +124,12 @@ do {									    \
       asm_fprintf (FILE, "\tpop{l\t%%ebx|\t%%ebx}\n");			    \
       asm_fprintf (FILE, "\tjmp\t{*%%ecx|%%ecx}\n");			    \
     }									    \
+  else if (flag_pic && TARGET_64BIT)					    \
+    {									    \
+      fprintf (FILE, "\tjmp *");					    \
+      assemble_name (FILE, XSTR (XEXP (DECL_RTL (FUNCTION), 0), 0));	    \
+      fprintf (FILE, "@GOTPCREL(%RIP)\n");				    \
+    }									    \
   else									    \
     {									    \
       fprintf (FILE, "\tjmp ");						    \