Josef Zlomek <zlomekj@suse.cz> * Makefile.in (var-tracking.o): New. * common.opt (fvar-tracking): New. * flags.h (flag_var_tracking): New. * gengtype.c (adjust_field_rtx_def): NOTE_INSN_VAR_LOCATION was added. * opts.c (common_handle_option): Add OPT_fvar_tracking. * print-rtl.c (print_rtx): NOTE_INSN_VAR_LOCATION was added. * rtl.c (note_insn_name): Likewise. * rtl.def (VAR_LOCATION): New. * rtl.h (NOTE_VAR_LOCATION): New. (NOTE_VAR_LOCATION_DECL): New. (NOTE_VAR_LOCATION_LOC): New. (enum insn_note): NOTE_INSN_VAR_LOCATION was added. (variable_tracking_main): New exported function. * timevar.def (TV_VAR_TRACKING): New. * toplev.c (enum dump_file_index): Added DFI_vartrack. (dump_file): "vartrack" was added (-dV). (flag_var_tracking): New. (f_options): "var-tracking" was added. (rest_of_handle_variable_tracking): New function. (rest_of_compilation): Run variable tracking. (process_options): If user has not specified flag_var_tracking set it according to optimize, debug_info_level and debug_hooks. * tree.h (frame_base_decl): New. * var-tracking.c: New file. * config/ia64/ia64.c (ia64_flag_var_tracking): New variable. (ia64_override_options): Set flags to run variable tracking in machine dependent reorg instead of toplev.c. (ia64_reorg): Run variable tracking if wanted. * doc/invoke.texi: Mention variable tracking in -dV, add and -fvar-tracking. * doc/passes.texi: Added variable tracking pass. Daniel Berlin <dberlin@dberlin.org> * debug.h (struct gcc_debug_hooks): Added var_location debug hook. * dbxout.c (dbx_debug_hooks): Likewise. (xcoff_debug): Likewise. * debug.c (do_nothing_debug_hooks): Likewise. * dwarf2out.c (dwarf2_debug_hooks): Likewise. * dwarfout.c (dwarf_debug_hooks): Likewise. * sdbout.c (sdb_debug_hooks): Likewise. * vmsdbgout.c (vmsdbg_debug_hooks): Likewise. * final.c (final_scan_insn): Call var_location debug hook for each NOTE_INSN_VAR_LOCATION. Co-Authored-By: Daniel Berlin <dberlin@dberlin.org> From-SVN: r77418
