cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.

	* cgraphbuild.c (record_reference): Drop non-unit-at-a-time code.
	(build_cgraph_edges): Likewise.
	* cgraph.c (cgraph_node): Do not update assembler hash.
	(cgraph_remove_node): Drop non-unit-at-a-time code.
	* tree-pass.h (pass_O0_always_inline): Remove.
	* ipa-reference.c (gate_reference): Remove unit-at-a-time check.
	* toplev.c (process_options): Flag unit-at-a-time does not imply
	no section anchors.
	* cgraphunit.c: Update comments.
	(decide_is_function_needed): Drop non-unit-at-a-time mode.
	(cgraph_assemble_pending_functions): Remove.
	(cgraph_reset_node): Drop non-unit-at-a-time code.
	(cgraph_finalize_function): Likewise.
	(cgraph_analyze_function): Likewise.
	(cgraph_finalize_compilation_unit): Likewise.
	(cgraph_expand_function): Likewise.
	(cgraph_optimize): Likesise.
	(save_inline_function_body): Likewise.
	* ipa-pure-const.c (gate_pure_const): Drop flag_unit_at_a_time check.
	* tree-ssa-alias.c (maybe_be_aliased): Likewise.
	* ipa-inline.c: Update comments.
	(enum inlining_mode): remove INLINE_SPEED.
	(cgraph_clone_inlined_nodes): Drop unit-at-a-time check.
	(cgraph_mark_inline_edge): Likewise.
	(try_inline): Likewise.
	(cgraph_decide_inlining_incrementally): Likewise.
	(cgraph_gate_inlining): Remove.
	(cgraph_early_inlining): Remove flag_unit_at_a_time checks.
	(cgraph_gate_early_inlining): Likewise.
	(gate_inline_passes): Remove.
	(pass_inline_parameters, pass_ipa_inline): Remove gates.
	(cgraph_gate_O0_always_inline, cgraph_O0_always_inline, 
	pass_O0_always_inline): Remove.
	* c-pch.c (c_pch_matching): Remove -funit-at-a-time.
	* dwarf2out.c (reference_to_unused): Remove flag_unit_at_a_time check.
	* opts.c (no_unit_at_a_time_default): Remove.
	(decode_options): Remove flag_unit_at_a_time reset and warning.
	* opts.h (no_unit_at_a_time_default): Remove.
	* c-decl.c (diagnose_mismatched_decls): Do not require inline keyword
	early in GNU dialect.
	(merge_decls): Update comment; drop unit-at-a-time check.
	(finish_decl): Likewise.
	(grok_declaration): Remove flag_inline_trees code.
	(finish_functions): Return on function returning non-void on all
	statics.
	* ipa-tye-escape.c (gate_type_escape_vars): Remove.
	* cfgexpand.c (expand_one_static_var): Remove.
	(expand_one_var): Remove expand_one_static_var call.
	(expand_used_vars_for_block): Remove flag_unit_a_time check.
	* c-opts.c (c_common_post_options): Remove flag_inline_trees code
	and flag_unit_at_a-time compatibility checks.
	* varasm.c (assemble_alias): Remove flag_unit_at_a_time check.
	* tree-inline.c (flag_inline_trees): Remove.
	(inlinable_function_p): Don't check it.
	(expand_call_inline): Remove non-unit-at-a-time code.
	* tree-inline.h (flag_inline_trees): Remove.
	* tree-optimize.c (execute_early_local_optimizations): Remove
	unit-at-a-time checks.
	(tree_rest_of_compilation): Likewise.
	* combine.c (setup_incoming_promotions): Likewise.
	* tree-profile.c (tree_gen_ic_func_profiler): Likewise.
	* tree-ssa-structalias.c (delete_points_to_sets): Likewise.
	* passes.c (pass_inline_parameters): Update comments; remove
	O0_alwaysinline pass.
	(execute_one_ipa_transform_pass): Do not reset in_gimple_form.
	(execute_one_pass): Likewise.
	* i386.c (ix86_function_regparm): Remove unit-at-a-time check.
	(ix86_function_sseregparm): Likewise.
	* arm.c (arm_function_in_section_p): Likewise.
	* bfin.c (bfin_load_pic_reg, bfin_function_ok_for_sibcall): Likewise.
	* varpool.c: Update comments.
	(decide_is_variable_needed): Remove unit-at-a-time checks.
	(varpool_finalize_decl): Likewise.

	* ada/utils.c (end_subprog_body): Remove inline trees check.
	* ada/misc.c (gnat_post_options): Do not set flag_inline_trees.

	* fortran/options.c (gfc_post_options): Remove flag_unline_trees code.

	* gcc.dg/winline-4.c: Remove.
	* gcc.dg/pch/valid-3.hs: Remove.
	* gcc.dg/pch/valid-3.c: Remove.
	* g++.old-deja/g++.brendan/crash52.C: Accept returning void warning
	* g++.old-deja/g++.jason/report.C: Likewise.
	* testsuite/g++.dg/warn/pr23075.C: We get returning void warning
	instead of control flow warning.


	* cp/decl.c (duplicate_decls): Update comment and unit-at-a-time.
	(grogfndecl): Drop flag_inline_trees code.
	* cp/pt.c (instantiate_decl): Drop flag_iline_trees code.
	* cp/lex.c (cxx_init): Do not set unit-at-a-time.


	* java/decl.c: Include cgraph.h
	(end_java_method): Remove non-unit-at-a-time code.
	(java_mark_decl_local): Likewise; sanity check that we don't touch
	finalized nodes.

From-SVN: r138140

1 files changed, 1 insertions, 18 deletions

diff --git a/gcc/opts.c b/gcc/opts.c
index ecd4e37..2a88ce2 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -333,11 +333,6 @@ bool use_gnu_debug_info_extensions;
 /* The default visibility for all symbols (unless overridden) */
 enum symbol_visibility default_visibility = VISIBILITY_DEFAULT;
 
-/* Disable unit-at-a-time for frontends that might be still broken in this
-   respect.  */
-
-bool no_unit_at_a_time_default;
-
 /* Global visibility options.  */
 struct visibility_flags visibility_options;
 
@@ -872,13 +867,11 @@ decode_options (unsigned int argc, const char **argv)
 	    }
 	}
     }
-
-
+  
   if (!flag_unit_at_a_time)
     {
       flag_section_anchors = 0;
       flag_toplevel_reorder = 0;
-      flag_unit_at_a_time = 1;
     }
   if (!flag_toplevel_reorder)
     {
@@ -1109,16 +1102,6 @@ decode_options (unsigned int argc, const char **argv)
   if (flag_really_no_inline == 2)
     flag_really_no_inline = flag_no_inline;
 
-  /* Inlining of functions called just once will only work if we can look
-     at the complete translation unit.  */
-  if (flag_inline_functions_called_once && !flag_unit_at_a_time)
-    {
-      flag_inline_functions_called_once = 0;
-      warning (OPT_Wdisabled_optimization,
-	       "-funit-at-a-time is required for inlining of functions "
-	       "that are only called once");
-    }
-
   /* The optimization to partition hot and cold basic blocks into separate
      sections of the .o and executable files does not work (currently)
      with exception handling.  This is because there is no support for