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014a1138d6
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
This directory contains the GNU Compiler Collection (GCC). The GNU Compiler Collection is free software. See the file COPYING for copying permission. The manuals, and some of the runtime libraries, are under different terms; see the individual source files for details. The directory INSTALL contains copies of the installation information as HTML and plain text. The source of this information is gcc/doc/install.texi. The installation information includes details of what is included in the GCC sources and what files GCC installs. See the file gcc/doc/gcc.texi (together with other files that it includes) for usage and porting information. An online readable version of the manual is in the files gcc/doc/gcc.info*. See http://gcc.gnu.org/bugs.html for how to report bugs usefully.