conflict.c (conflict_graph_compute): Don't look for REG_INC.

        * conflict.c (conflict_graph_compute): Don't look for REG_INC.

        * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
        auto-inc code.

From-SVN: r34557

gcc/ChangeLog

 2000-06-14  Richard Henderson  <rth@cygnus.com>
 
+	* conflict.c (conflict_graph_compute): Don't look for REG_INC.
+
+	* config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
+	auto-inc code.
+
 	* print-rtl.c (print_rtx): Emit space before mem alias set.
 
 2000-06-14  David Edelsohn  <edelsohn@gnu.org>

gcc/config/ia64/ia64.c

@@ -1188,19 +1188,17 @@ ia64_setup_incoming_varargs (cum, int_mode, type, pretend_size, second_time)
 	{
 	  int i;
 	  int first_reg = GR_ARG_FIRST + cum.words + offset;
-	  rtx tmp_reg = gen_rtx_REG (DImode, GR_REG (16));
-	  rtx tmp_post_inc = gen_rtx_POST_INC (DImode, tmp_reg);
-	  rtx mem = gen_rtx_MEM (DImode, tmp_post_inc);
-	  rtx insn;
+	  rtx reg1 = gen_reg_rtx (Pmode);
+	  rtx mem1 = gen_rtx_MEM (DImode, reg1);
 
 	  /* We must emit st8.spill insns instead of st8 because we might
-	     be saving non-argument registers, and non-argument registers might
-	     not contain valid values.  */
-	  emit_move_insn (tmp_reg, virtual_incoming_args_rtx);
+	     be saving non-argument registers, and non-argument registers
+	     might not contain valid values.  */
+	  emit_move_insn (reg1, virtual_incoming_args_rtx);
 	  for (i = first_reg; i < GR_ARG_FIRST + 8; i++)
 	    {
-	      insn = emit_insn (gen_gr_spill (mem, gen_rtx_REG (DImode, i)));
-	      REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_INC, tmp_reg, 0);
+	      emit_insn (gen_gr_spill (mem1, gen_rtx_REG (DImode, i)));
+	      emit_insn (gen_adddi3 (reg1, reg1, GEN_INT (8)));
 	    }
 	}
       *pretend_size = ((MAX_ARGUMENT_SLOTS - cum.words - offset)

gcc/conflict.c

@@ -483,12 +483,7 @@ conflict_graph_compute (regs, p)
   	         we're in SSA form, if a reg is set here it isn't set
   	         anywhere elso, so this insn is where the reg is born.  */
 	      CLEAR_REG_SET (born);
-	      note_stores (PATTERN (insn), mark_reg, (void *) born);
-#ifdef AUTO_INC_DEC
-	      for (link = REG_NOTES (insn); link; link = XEXP (link, 1))
-		if (REG_NOTE_KIND (link) == REG_INC)
-		  mark_reg (XEXP (link, 0), NULL_RTX, NULL);
-#endif
+	      note_stores (PATTERN (insn), mark_reg, born);
 	      AND_REG_SET (born, regs);
 	  
 	      /* Regs born here were not live before this insn.  */