m68k.c (output_function_prologue, [...]): Use…

m68k.c (output_function_prologue, [...]): Use current_function_uses_pic_offset_table instead of regs_ever_live to decide...

	* config/m68k/m68k.c (output_function_prologue,
	output_function_epilogue): Use
	current_function_uses_pic_offset_table instead of regs_ever_live
	to decide whether to save/restore pic register.
	(legitimize_pic_address): Don't modify regs_ever_live any more.

From-SVN: r29676

gcc/ChangeLog

+Mon Sep 27 10:28:48 1999  Andreas Schwab  <schwab@suse.de>
+
+	* config/m68k/m68k.c (output_function_prologue,
+	output_function_epilogue): Use
+	current_function_uses_pic_offset_table instead of regs_ever_live
+	to decide whether to save/restore pic register.
+	(legitimize_pic_address): Don't modify regs_ever_live any more.
+
 Sun Sep 26 16:36:52 1999  Robert Lipe  (robertlipe@usa.net)
 
 	* config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument

gcc/config/m68k/m68k.c

@@ -356,7 +356,7 @@ output_function_prologue (stream, size)
       mask &= ~ (1 << (15 - FRAME_POINTER_REGNUM));
       num_saved_regs--;
     }
-  if (flag_pic && regs_ever_live[PIC_OFFSET_TABLE_REGNUM])
+  if (flag_pic && current_function_uses_pic_offset_table)
     {
       mask |= 1 << (15 - PIC_OFFSET_TABLE_REGNUM);
       num_saved_regs++;
@@ -568,7 +568,7 @@ output_function_epilogue (stream, size)
         nregs++;
 	mask |= 1 << regno;
       }
-  if (flag_pic && regs_ever_live[PIC_OFFSET_TABLE_REGNUM])
+  if (flag_pic && current_function_uses_pic_offset_table)
     {
       nregs++;
       mask |= 1 << PIC_OFFSET_TABLE_REGNUM;
@@ -1334,8 +1334,6 @@ legitimize_pic_address (orig, mode, reg)
 			     gen_rtx_PLUS (Pmode,
 					   pic_offset_table_rtx, orig));
       current_function_uses_pic_offset_table = 1;
-      if (reload_in_progress)
-	regs_ever_live[PIC_OFFSET_TABLE_REGNUM] = 1;
       RTX_UNCHANGING_P (pic_ref) = 1;
       emit_move_insn (reg, pic_ref);
       return reg;