common.opt (gas-loc-support, [...]): New.

	* common.opt (gas-loc-support, gas-locview-support): New.
	(ginline-points, ginternal-reset-location-views): New.
	* doc/invoke.texi: Document them.  Use @itemx where intended.
	(gvariable-location-views): Adjust.
	* target.def (reset_location_view): New.
	* doc/tm.texi.in (DWARF2_ASM_VIEW_DEBUG_INFO): New.
	(TARGET_RESET_LOCATION_VIEW): New.
	* doc/tm.texi: Rebuilt.
	* dwarf2out.c (dwarf2out_default_as_loc_support): New.
	(dwarf2out_default_as_locview_support): New.
	(output_asm_line_debug_info): Use option variables.
	(dwarf2out_maybe_output_loclist_view_pair): Likewise.
	(output_loc_list): Likewise.
	(add_high_low_attributes): Check option variables.
	Don't output entry view attribute in strict mode.
	(gen_inlined_subroutine_die): Check option variables.
	(dwarf2out_inline_entry): Likewise.
	(init_sections_and_labels): Likewise.
	(dwarf2out_early_finish): Likewise.
	(maybe_reset_location_view): New, from...
	(dwarf2out_var_location): ... here.  Call it.
	* debug.h (dwarf2out_default_as_loc_support): Declare.
	(dwarf2out_default_as_locview_support): Declare.
	* hooks.c (hook_int_rtx_insn_0): New.
	* hooks.h (hook_int_rtx_insn_0): Declare.
	* toplev.c (process_options): Take -gas-loc-support and
	-gas-locview-support from dwarf2out.  Enable
	-gvariable-location-views by default only with locview
	assembler support.  Enable -ginternal-reset-location-views by
	default only if the target defines the corresponding hook.
	Enable -ginline-points by default if location views are
	enabled; force it disabled if statement frontiers are
	disabled.
	* tree-inline.c (expand_call_inline): Check option variables.
	* tree-ssa-live.c (remove_unused_scope_block_p): Likewise.

From-SVN: r257631

1 files changed, 6 insertions, 0 deletions

diff --git a/gcc/hooks.c b/gcc/hooks.c
index 61719606a36..780cc1e0863 100644
--- a/gcc/hooks.c
+++ b/gcc/hooks.c
@@ -236,6 +236,12 @@ hook_int_rtx_1 (rtx)
 }
 
 int
+hook_int_rtx_insn_0 (rtx_insn *)
+{
+  return 0;
+}
+
+int
 hook_int_rtx_insn_unreachable (rtx_insn *)
 {
   gcc_unreachable ();