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, 38 insertions, 31 deletions

diff --git a/gcc/langhooks.c b/gcc/langhooks.c
index 3187f7c1675..9f0a236e8d3 100644
--- a/gcc/langhooks.c
+++ b/gcc/langhooks.c
@@ -156,35 +156,38 @@ lhd_set_decl_assembler_name (tree decl)
   /* The language-independent code should never use the
      DECL_ASSEMBLER_NAME for lots of DECLs.  Only FUNCTION_DECLs and
      VAR_DECLs for variables with static storage duration need a real
-     DECL_ASSEMBLER_NAME.
-     Nobody should ever be asking for the DECL_ASSEMBLER_NAME of
-     these DECLs -- unless they're in language-dependent code, in
-     which case set_decl_assembler_name hook should handle things.  */
-  gcc_assert (TREE_CODE (decl) == FUNCTION_DECL
-	      || (TREE_CODE (decl) == VAR_DECL
-		  && (TREE_STATIC (decl)
-		      || DECL_EXTERNAL (decl)
-		      || TREE_PUBLIC (decl))));
-
-  /* By default, assume the name to use in assembly code is the
-      same as that used in the source language.  (That's correct
-      for C, and GCC used to set DECL_ASSEMBLER_NAME to the same
-      value as DECL_NAME in build_decl, so this choice provides
-      backwards compatibility with existing front-ends.
-
-      Can't use just the variable's own name for a variable whose
-      scope is less than the whole compilation.  Concatenate a
-      distinguishing number - we use the DECL_UID.  */
-  if (TREE_PUBLIC (decl) || DECL_CONTEXT (decl) == NULL_TREE)
-    SET_DECL_ASSEMBLER_NAME (decl, DECL_NAME (decl));
-  else
+     DECL_ASSEMBLER_NAME.  */
+  if (TREE_CODE (decl) == FUNCTION_DECL
+      || (TREE_CODE (decl) == VAR_DECL
+	  && (TREE_STATIC (decl)
+	      || DECL_EXTERNAL (decl)
+	      || TREE_PUBLIC (decl))))
     {
-      const char *name = IDENTIFIER_POINTER (DECL_NAME (decl));
-      char *label;
+      /* By default, assume the name to use in assembly code is the
+	 same as that used in the source language.  (That's correct
+	 for C, and GCC used to set DECL_ASSEMBLER_NAME to the same
+	 value as DECL_NAME in build_decl, so this choice provides
+	 backwards compatibility with existing front-ends.
+
+         Can't use just the variable's own name for a variable whose
+	 scope is less than the whole compilation.  Concatenate a
+	 distinguishing number - we use the DECL_UID.  */
+      if (TREE_PUBLIC (decl) || DECL_CONTEXT (decl) == NULL_TREE)
+	SET_DECL_ASSEMBLER_NAME (decl, DECL_NAME (decl));
+      else
+	{
+	  const char *name = IDENTIFIER_POINTER (DECL_NAME (decl));
+	  char *label;
 
-      ASM_FORMAT_PRIVATE_NAME (label, name, DECL_UID (decl));
-      SET_DECL_ASSEMBLER_NAME (decl, get_identifier (label));
+	  ASM_FORMAT_PRIVATE_NAME (label, name, DECL_UID (decl));
+	  SET_DECL_ASSEMBLER_NAME (decl, get_identifier (label));
+	}
     }
+  else
+    /* Nobody should ever be asking for the DECL_ASSEMBLER_NAME of
+       these DECLs -- unless they're in language-dependent code, in
+       which case set_decl_assembler_name hook should handle things.  */
+    abort ();
 }
 
 /* By default we always allow bit-field based optimizations.  */
@@ -198,7 +201,7 @@ lhd_can_use_bit_fields_p (void)
 tree
 lhd_type_promotes_to (tree ARG_UNUSED (type))
 {
-  gcc_unreachable ();
+  abort ();
 }
 
 /* Registration of machine- or os-specific builtin types.  */
@@ -212,7 +215,10 @@ lhd_register_builtin_type (tree ARG_UNUSED (type),
 void
 lhd_incomplete_type_error (tree ARG_UNUSED (value), tree type)
 {
-  gcc_assert (TREE_CODE (type) == ERROR_MARK);
+  if (TREE_CODE (type) == ERROR_MARK)
+    return;
+
+  abort ();
 }
 
 /* Provide a default routine for alias sets that always returns -1.  This
@@ -241,7 +247,7 @@ lhd_expand_expr (tree ARG_UNUSED (t), rtx ARG_UNUSED (r),
 		 int ARG_UNUSED (em),
 		 rtx * ARG_UNUSED (a))
 {
-  gcc_unreachable ();
+  abort ();
 }
 
 /* The default language-specific function for expanding a decl.  After
@@ -281,7 +287,7 @@ lhd_types_compatible_p (tree x, tree y)
    information associated to common tree codes.  If a tree node is
    completely handled within this function, it should set *SUBTREES to
    0, so that generic handling isn't attempted.  For language-specific
-   tree codes, generic handling would assert out, so make sure it is set
+   tree codes, generic handling would abort(), so make sure it is set
    properly.  Both SUBTREES and *SUBTREES is guaranteed to be nonzero
    when the function is called.  */
 
@@ -436,7 +442,8 @@ lhd_gimplify_expr (tree *expr_p ATTRIBUTE_UNUSED, tree *pre_p ATTRIBUTE_UNUSED,
 size_t
 lhd_tree_size (enum tree_code c ATTRIBUTE_UNUSED)
 {
-  gcc_unreachable ();
+  abort ();
+  return 0;
 }
 
 /* Return true if decl, which is a function decl, may be called by a