2003-11-20  James E Wilson  <wilson@specifixinc.com>

	PR c/13133
	* reload1.c (reload): Delete special handling for setjmp.

Index: reload1.c
===================================================================
RCS file: /cvs/gcc/gcc/gcc/reload1.c,v
retrieving revision 1.408
diff -p -r1.408 reload1.c
*** reload1.c	27 Oct 2003 10:52:46 -0000	1.408
--- reload1.c	16 Nov 2003 07:45:13 -0000
*************** reload (rtx first, int global)
*** 698,706 ****
    /* Look for REG_EQUIV notes; record what each pseudo is equivalent to.
       Also find all paradoxical subregs and find largest such for each pseudo.
       On machines with small register classes, record hard registers that
!      are used for user variables.  These can never be used for spills.
!      Also look for a "constant" REG_SETJMP.  This means that all
!      caller-saved registers must be marked live.  */
  
    num_eliminable_invariants = 0;
    for (insn = first; insn; insn = NEXT_INSN (insn))
--- 698,704 ----
    /* Look for REG_EQUIV notes; record what each pseudo is equivalent to.
       Also find all paradoxical subregs and find largest such for each pseudo.
       On machines with small register classes, record hard registers that
!      are used for user variables.  These can never be used for spills.  */
  
    num_eliminable_invariants = 0;
    for (insn = first; insn; insn = NEXT_INSN (insn))
*************** reload (rtx first, int global)
*** 713,724 ****
        if (INSN_P (insn) && GET_CODE (PATTERN (insn)) == USE
  	  && GET_MODE (insn) != VOIDmode)
  	PUT_MODE (insn, VOIDmode);
- 
-       if (GET_CODE (insn) == CALL_INSN
- 	  && find_reg_note (insn, REG_SETJMP, NULL))
- 	for (i = 0; i < FIRST_PSEUDO_REGISTER; i++)
- 	  if (! call_used_regs[i])
- 	    regs_ever_live[i] = 1;
  
        if (set != 0 && GET_CODE (SET_DEST (set)) == REG)
  	{
--- 711,716 ----