ra-build.c (copy_insn_p, [...]): Use gcc_assert and gcc_unreachable instead of abort.

	* ra-build.c (copy_insn_p, remember_move, defuse_overlap_p_1,
	live_out_1, prune_hardregs_for_mode, init_one_web_common,
	reinit_one_web, add_subweb, add_subweb_2, init_web_parts,
	record_conflict, compare_and_free_webs, init_webs_defs_uses,
	parts_to_webs_1, parts_to_webs, reset_conflicts,
	check_conflict_numbers, remember_web_was_spilled, handle_asm_insn,
	ra_build_free): Use gcc_assert and gcc_unreachable instead of abort.
	* ra-colorize.c (push_list, put_web, reset_lists, put_web_at_end,
	put_move, remove_move, combine, select_spill, colorize_one_web,
	try_recolor_web, insert_coalesced_conflicts, check_colors,
	break_precolored_alias, restore_conflicts_from_coalesce,
	sort_and_combine_web_pairs, check_uncoalesced_moves): Likewise.
	* ra-rewrite.c (spill_coalescing, slots_overlap_p, emit_loads,
	reloads_to_loads, rewrite_program2, emit_colors): Likewise.
	* ra.c (first_hard_reg, create_insn_info, find_subweb, init_ra,
	check_df): Likewise.
	* real.c (do_add, do_multiply, do_divide, do_compare, do_fix_trunc,
	real_arithmetic, real_compare, real_exponent, real_ldexp,
	real_identical, real_to_integer, real_to_integer2, real_to_decimal,
	real_to_hexadecimal, real_from_integer, ten_to_ptwo, ten_to_mptwo,
	real_digit, real_nan, real_maxval, round_for_format, real_convert,
	real_to_target, real_from_target, real_hash, encode_ieee_single,
	encode_ieee_double, encode_ieee_extended, encode_ieee_quad,
	encode_vax_f, encode_vax_d, encode_vax_g, encode_i370_single,
	encode_i370_double, encode_c4x_single, encode_c4x_extended): Likewise.
	* recog.c (validate_change, validate_replace_rtx_1, asm_operand_ok,
	extract_insn, peep2_next_insn, peep2_reg_dead_p,
	peep2_find_free_register, peephole2_optimize, store_data_bypass_p,
	if_test_bypass_p): Likewise.
	* reg-stack.c (record_label_references, get_asm_operand_n_inputs,
	stack_result, remove_regno_note, get_hard_regnum, emit_pop_insn,
	emit_swap_insn, swap_to_top, move_for_stack_reg,
	subst_stack_regs_pat, subst_asm_stack_regs, change_stack,
	compensate_edge, convert_regs_1): Likewise.
	* regclass.c (init_reg_sets, init_reg_sets_1,
	memory_move_secondary_cost): Likewise.
	* regrename.c (note_sets, clear_dead_regs, scan_rtx_reg, scan_rtx):
	Likewise.
	* reload.c (push_secondary_reload, find_valid_class, push_reload,
	operands_match_p, decompose, immune_p, find_reloads,
	find_reloads_toplev, find_reloads_address_1, subst_reloads,
	copy_replacements, refers_to_regno_for_reload_p,
	reg_overlap_mentioned_for_reload_p): Likewise.
	* reload1.c (compute_use_by_pseudos, replace_pseudos_in, reload,
	count_pseudo, find_reg, eliminate_regs, eliminate_regs_in_insn,
	verify_initial_elim_offsets, finish_spills, clear_reload_reg_in_use,
	reload_reg_free_p, reload_reg_reaches_end_p, reloads_conflict,
	choose_reload_regs, merge_assigned_reloads, emit_input_reload_insns,
	do_output_reload, fixup_abnormal_edges): Likewise.
	* reorg.c (stop_search_p, emit_delay_sequence, get_jump_flags,
	fill_slots_from_thread, relax_delay_slots): Likewise.
	* resource.c (mark_referenced_resources, mark_set_resources):
	Likewise.
	* rtl.c (copy_rtx, rtx_equal_p): Likewise.
	* rtlanal.c (insn_dependent_p, reg_overlap_mentioned_p,
	dead_or_set_p, find_reg_fusage, remove_note, replace_rtx,
	subreg_lsb_1, subreg_regno_offset, subreg_offset_representable_p,
	find_first_parameter_load, can_hoist_insn_p, hoist_update_store,
	hoist_insn_after, hoist_insn_to_edge, nonzero_bits1): Likewise.
	* rtlhooks.c (gen_lowpart_general): Likewise.
	* sbitmap.c (sbitmap_difference): Likewise.
	* sched-deps.c (add_dependence, sched_analyze_1, sched_analyze_2,
	sched_analyze, add_forward_dependence): Likewise.
	* sched-ebb.c (fix_basic_block_boundaries, schedule_ebb): Likewise.
	* sched-rgn.c (debug_regions, compute_trg_info, schedule_region,
	schedule_insns): Likewise.
	* sched-vis.c (print_pattern): Likewise.
	* sdbout.c (sdbout_symbol, sdbout_toplevel_data): Likewise.
	* simplify-rtx.c (simplify_unary_operation, simplify_binary_operation,
	simplify_const_relational_operation, simplify_ternary_operation,
	simplify_immed_subreg, simplify_subreg, simplify_gen_subreg):
	Likewise.
	* sreal.c (copy, sreal_sub, sreal_div): Likewise.
	* stmt.c (force_label_rtx, expand_goto, expand_asm_operands,
	resolve_operand_name_1, expand_return, expand_decl,
	expand_anon_union_decl, emit_case_bit_tests, expand_case): Likewise.
	* stor-layout.c (put_pending_size, smallest_mode_for_size,
	int_mode_for_mode, layout_decl, finish_builtin_struct, layout_type,
	set_sizetype, get_mode_bounds): Likewise.

From-SVN: r87244

1 files changed, 10 insertions, 16 deletions

diff --git a/gcc/ra-rewrite.c b/gcc/ra-rewrite.c
index 8a418ac..adc3983 100644
--- a/gcc/ra-rewrite.c
+++ b/gcc/ra-rewrite.c
@@ -119,8 +119,8 @@ spill_coalescing (sbitmap coalesce, sbitmap spilled)
 	       T from the web which was coalesced into T, which at the time
 	       of combine() were not already on the SELECT stack or were
 	       itself coalesced to something other.  */
-	    if (t->type != SPILLED || s->type != SPILLED)
-	      abort ();
+	    gcc_assert (t->type == SPILLED
+			&& s->type == SPILLED);
 	    remove_list (t->dlink, &WEBS(SPILLED));
 	    put_web (t, COALESCED);
 	    t->alias = s;
@@ -570,8 +570,7 @@ slots_overlap_p (rtx s1, rtx s2)
 	return 0;
       return 1;
     }
-  if (!MEM_P (s1) || GET_CODE (s2) != MEM)
-    abort ();
+  gcc_assert (MEM_P (s1) && GET_CODE (s2) == MEM);
   s1 = XEXP (s1, 0);
   s2 = XEXP (s2, 0);
   if (GET_CODE (s1) != PLUS || !REG_P (XEXP (s1, 0))
@@ -873,8 +872,7 @@ emit_loads (struct rewrite_info *ri, int nl_first_reload, rtx last_block_insn)
       if (!web)
 	continue;
       supweb = find_web_for_subweb (web);
-      if (supweb->regno >= max_normal_pseudo)
-	abort ();
+      gcc_assert (supweb->regno < max_normal_pseudo);
       /* Check for web being a spilltemp, if we only want to
 	 load spilltemps.  Also remember, that we emitted that
 	 load, which we don't need to do when we have a death,
@@ -900,14 +898,12 @@ emit_loads (struct rewrite_info *ri, int nl_first_reload, rtx last_block_insn)
 	     (at least then disallow spilling them, which we already ensure
 	     when flag_ra_break_aliases), or not take the pattern but a
 	     stackslot.  */
-	  if (aweb != supweb)
-	    abort ();
+	  gcc_assert (aweb == supweb);
 	  slot = copy_rtx (supweb->pattern);
 	  reg = copy_rtx (supweb->orig_x);
 	  /* Sanity check.  orig_x should be a REG rtx, which should be
 	     shared over all RTL, so copy_rtx should have no effect.  */
-	  if (reg != supweb->orig_x)
-	    abort ();
+	  gcc_assert (reg == supweb->orig_x);
 	}
       else
 	{
@@ -1022,8 +1018,7 @@ reloads_to_loads (struct rewrite_info *ri, struct ref **refs,
 	    {
 	      struct web *web2 = ID2WEB (j);
 	      struct web *aweb2 = alias (find_web_for_subweb (web2));
-	      if (spill_is_free (&(ri->colors_in_use), aweb2) == 0)
-		abort ();
+	      gcc_assert (spill_is_free (&(ri->colors_in_use), aweb2) != 0);
 	      if (spill_same_color_p (supweb, aweb2)
 		  /* && interfere (web, web2) */)
 		{
@@ -1396,8 +1391,7 @@ rewrite_program2 (bitmap new_deaths)
 
       ri.need_load = 1;
       emit_loads (&ri, nl_first_reload, last_block_insn);
-      if (ri.nl_size != 0 /*|| ri.num_reloads != 0*/)
-	abort ();
+      gcc_assert (ri.nl_size == 0);
       if (!insn)
 	break;
     }
@@ -1677,8 +1671,8 @@ emit_colors (struct df *df)
 	continue;
       if (web->type == COALESCED && alias (web)->type == COLORED)
 	continue;
-      if (web->reg_rtx || web->regno < FIRST_PSEUDO_REGISTER)
-	abort ();
+      gcc_assert (!web->reg_rtx);
+      gcc_assert (web->regno >= FIRST_PSEUDO_REGISTER);
 
       if (web->regno >= max_normal_pseudo)
 	{