Revert 2004-09-09 Giovanni Bajo <giovannibajo@gcc.gnu.org>

	* lambda-mat.c (lambda_matrix_inverse_hard): Use gcc_assert
	and gcc_unreachable instead of abort.
	* lambda.h (lambda_vector_min_nz): Likewise.
	* langhooks.c lhd_set_decl_assembler_name, lhd_can_use_bit_fields_p,
	lhd_incomplete_type_error, lhd_expand_expr, lhd_types_compatible_p,
	lhd_gimplify_expr): Likewise.
	* lcm.c (optimize_mode_switching): Likewise.
	* local-alloc.c (update_equiv_regs, block_alloc, find_free_reg):
	Likewise.
	* loop-doloop.c (doloop_modify): Likewise.
	* loop-invariant.c (record_use): Likewise.
	* loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze, get_iv_value,
	canon_condition, simplify_using_condition,
	simplify_using_initial_values, shorten_into_mode,
	canonicalize_iv_subregs, iv_number_of_iterations): Likewise.
	* loop-unroll.c (unroll_and_peel_loops, peel_loop_completely,
	unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
	peel_loop_simple, unroll_loop_stupid): Likewise.
	* loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
	unswitch_loop): Likewise.
	* loop.c (gen_prefetch, loop_optimize, rtx_equal_for_loop_p,
	move_movables, replace_call_address, find_and_verify_loops,
	rtx_equal_for_prefetch_p, record_giv, general_induction_var,
	simplify_giv_expr, check_ext_dependent_givs, try_copy_prop,
	loop_giv_dump): Likewise.
	* loop.h (INSN_LUID): Likewise.
	* modulo-sched.c (normalize_sched_times, generate_prolog_epilog,
	sms_schedule, check_nodes_order): Likewise.
	* optabs.c (gen_conditional, add_equal_note, expand_simple_binop,
	expand_twoval_unop, expand_twoval_binop, expand_twoval_binop_libfunc,
	expand_simple_unop, emit_no_conflict_block, prepare_cmp_insn,
	emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
	prepare_float_lib_cmp, gen_add2_insn, have_add2_insn, gen_sub2_insn,
	have_sub2_insn, expand_float, expand_fix, debug_optab_libfuncs):
	Likewise.
	* opts.c (common_handle_option): Likewise.
	* params.c (set_param_value): Likewise.
	* passes.c (open_dump_file, rest_of_handle_final): Likewise.
	* postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,hash_scan_set,
	reg_set_between_after_reload_p, reg_used_between_after_reload_p,
	get_avail_load_store_reg, eliminate_partially_redundant_load):
	Likewise.
	* postreload.c (reload_cse_simplify_set, reload_combine_note_use):
	Likewise.
	* predict.c (tree_predicted_by_p, expected_value_to_br_prob,
	propagate_freq, expensive_function_p): Likewise.
	* pretty-print.c (pp_base_format_text)
	* profile.c (instrument_edges, instrument_values,
	compute_branch_probabilities, branch_prob, union_groups,
	end_branch_prob, tree_register_profile_hooks): Likewise.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87290 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 22 insertions, 11 deletions

diff --git a/gcc/postreload-gcse.c b/gcc/postreload-gcse.c
index 7c0be2f7b74..93d81c48241 100644
--- a/gcc/postreload-gcse.c
+++ b/gcc/postreload-gcse.c
@@ -305,7 +305,9 @@ expr_equiv_p (const void *exp1p, const void *exp2p)
   struct expr *exp1 = (struct expr *) exp1p;
   struct expr *exp2 = (struct expr *) exp2p;
   int equiv_p = exp_equiv_p (exp1->expr, exp2->expr, 0, true);
-  gcc_assert (!equiv_p || exp1->hash == exp2->hash);
+  if (equiv_p
+      && exp1->hash != exp2->hash)
+    abort ();
   return equiv_p;
 }
 
@@ -483,8 +485,11 @@ oprs_unchanged_p (rtx x, rtx insn, bool after_insn)
   switch (code)
     {
     case REG:
+#ifdef ENABLE_CHECKING
       /* We are called after register allocation.  */
-      gcc_assert (REGNO (x) < FIRST_PSEUDO_REGISTER);
+      if (REGNO (x) >= FIRST_PSEUDO_REGISTER)
+	abort ();
+#endif
       if (after_insn)
 	/* If the last CUID setting the insn is less than the CUID of
 	   INSN, then reg X is not changed in or after INSN.  */
@@ -780,7 +785,8 @@ hash_scan_set (rtx insn)
 
 #ifdef ENABLE_CHEKCING
   /* We shouldn't have any EH_REGION notes post reload.  */
-  gcc_assert (!find_reg_note (insn, REG_EH_REGION, NULL_RTX));
+  if (find_reg_note (insn, REG_EH_REGION, NULL_RTX))
+    abort ();
 #endif
 
   if (REG_P (dest))
@@ -928,9 +934,11 @@ reg_set_between_after_reload_p (rtx reg, rtx from_insn, rtx to_insn)
   rtx insn;
   int regno;
 
+#ifdef ENABLE_CHECKING
   /* We are called after register allocation.  */
-  gcc_assert (REG_P (reg));
-  gcc_assert (REGNO (reg) < FIRST_PSEUDO_REGISTER);
+  if (!REG_P (reg) || REGNO (reg) >= FIRST_PSEUDO_REGISTER)
+    abort ();
+#endif
 
   if (from_insn == to_insn)
     return NULL_RTX;
@@ -965,9 +973,11 @@ reg_used_between_after_reload_p (rtx reg, rtx from_insn, rtx to_insn)
   rtx insn;
   int regno;
 
+#ifdef ENABLE_CHECKING
   /* We are called after register allocation.  */
-  gcc_assert (REG_P (reg));
-  gcc_assert (REGNO (reg) < FIRST_PSEUDO_REGISTER);
+  if (!REG_P (reg) || REGNO (reg) >= FIRST_PSEUDO_REGISTER)
+    abort ();
+#endif
 
   if (from_insn == to_insn)
     return NULL_RTX;
@@ -1017,7 +1027,7 @@ get_avail_load_store_reg (rtx insn)
     return SET_DEST(PATTERN(insn));
   if (REG_P (SET_SRC (PATTERN (insn))))  /* A store.  */
     return SET_SRC (PATTERN (insn));
-  gcc_unreachable ();
+  abort ();
 }
 
 /* Return nonzero if the predecessors of BB are "well behaved".  */
@@ -1099,8 +1109,8 @@ eliminate_partially_redundant_load (basic_block bb, rtx insn,
 	{
 	  /* Check if the loaded register is not used.  */
 	  avail_insn = a_occr->insn;
-	  avail_reg = get_avail_load_store_reg (avail_insn);
-	  gcc_assert (avail_reg);
+	  if (! (avail_reg = get_avail_load_store_reg (avail_insn)))
+	    abort ();
 	  /* Make sure we can generate a move from register avail_reg to
 	     dest.  */
 	  extract_insn (gen_move_insn (copy_rtx (dest),
@@ -1171,7 +1181,8 @@ eliminate_partially_redundant_load (basic_block bb, rtx insn,
       /* Set avail_reg to be the register having the value of the
 	 memory.  */
       avail_reg = get_avail_load_store_reg (avail_insn);
-      gcc_assert (avail_reg);
+      if (! avail_reg)
+	abort ();
 
       insert_insn_on_edge (gen_move_insn (copy_rtx (dest),
 					  copy_rtx (avail_reg)),