Minor m68k PIC cleanup

Jeffrey A Law law@cygnus.com
Mon Jun 28 04:30:00 GMT 1999


Don Lindsay already made the PIC register fixed, so this long standing nonsense
can finally be deleted.

        * m68k.h (FINALIZE_PIC): Delete.
        * m68k.c (finalize_pic): Delete.

Index: m68k.c
===================================================================
RCS file: /egcs/carton/cvsfiles/egcs/gcc/config/m68k/m68k.c,v
retrieving revision 1.26
diff -c -3 -p -r1.26 m68k.c
*** m68k.c	1999/06/17 15:09:44	1.26
--- m68k.c	1999/06/28 11:27:45
*************** override_options ()
*** 127,150 ****
      m68k_align_funcs = def_align;
  }
  
- /* Emit a (use pic_offset_table_rtx) if we used PIC relocation in the 
-    function at any time during the compilation process.  In the future 
-    we should try and eliminate the USE if we can easily determine that 
-    all PIC references were deleted from the current function.  That would 
-    save an address register */
-    
- void
- finalize_pic ()
- {
-   if (flag_pic && current_function_uses_pic_offset_table)
-     {
-       rtx insn = gen_rtx_USE (VOIDmode, pic_offset_table_rtx);
-       emit_insn_after (insn, get_insns ());
-       emit_insn (insn);
-     }
- }
- 
- 
  /* This function generates the assembly code for function entry.
     STREAM is a stdio stream to output the code to.
     SIZE is an int: how many units of temporary storage to allocate.
--- 127,132 ----
Index: m68k.h
===================================================================
RCS file: /egcs/carton/cvsfiles/egcs/gcc/config/m68k/m68k.h,v
retrieving revision 1.34
diff -c -3 -p -r1.34 m68k.h
*** m68k.h	1999/06/28 04:23:36	1.34
--- m68k.h	1999/06/28 11:27:50
*************** extern int target_flags;
*** 356,366 ****
  /* This defines the register which is used to hold the offset table for PIC. */
  #define PIC_OFFSET_TABLE_REGNUM 13
  
- /* Used to output a (use pic_offset_table_rtx) so that we 
-    always save/restore a5 in functions that use PIC relocation
-    at *any* time during the compilation process. */
- #define FINALIZE_PIC finalize_pic()
- 
  #ifndef SUPPORT_SUN_FPA
  
  /* 1 for registers that have pervasive standard uses
--- 356,361 ----




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