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873 Commits

Author SHA1 Message Date
Joseph Myers
a016dc83ec re PR driver/45731 (Header missing for assembler option help.) 
PR driver/45731
	* gcc.c (asm_options): Correct spec matching --target-help.

From-SVN: r170091
 2011-02-12 21:29:14 +00:00
Iain Sandoe
a350a6c8f7 gcc.c (driver_handle_option): Concatenate the argument to -F with the switch. 
gcc:

	* gcc.c (driver_handle_option): Concatenate the argument to -F with
	the switch.

From-SVN: r170068
 2011-02-12 10:08:24 +00:00
Joseph Myers
4df47bca15 re PR driver/47678 (missing error message for -I) 
PR driver/47678
	* gcc.c (main): Do not compile inputs if there were errors in
	option handling.
	* opts-common.c (read_cmdline_option): Check for wrong language
	after other error checks.

testsuite:
	* gcc.dg/opts-6.c: New test.

From-SVN: r170056
 2011-02-11 18:13:11 +00:00
Rainer Orth
c6092243c9 configure.ac (gcc_cv_ld_static_option): Define. 
gcc:
	* configure.ac (gcc_cv_ld_static_option): Define.
	(gcc_cv_ld_dynamic_option): Define.
	(gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
	instead.
	(HAVE_LD_STATIC_DYNAMIC): Update message.
	(LD_STATIC_OPTION): Define.
	(LD_DYNAMIC_OPTION): Define.
	* configure: Regenerate.
	* config.in: Regenerate.
	* gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
	HAVE_LD_STATIC_DYNAMIC]: Use them.

	gcc/cp:
	* g++spec.c (lang_specific_driver) [HAVE_LD_STATIC_DYNAMIC] Use
	LD_STATIC_OPTION, LD_DYNAMIC_OPTION.

	gcc/fortran:
	* gfortranspec.c (add_arg_libgfortran) [HAVE_LD_STATIC_DYNAMIC] Use
	LD_STATIC_OPTION, LD_DYNAMIC_OPTION.

	gcc/go:
	* gospec.c (lang_specific_driver) [HAVE_LD_STATIC_DYNAMIC] Use
	LD_STATIC_OPTION, LD_DYNAMIC_OPTION.

From-SVN: r169435
 2011-01-31 13:52:42 +00:00
Jan Hubicka
56e22cab21 re PR driver/47244 (plugin linker is used unconditionally) 
PR driver/47244
	* gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
	(PLUGIN_COND_CLOSE): New macro.
	(LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.

From-SVN: r168717
 2011-01-12 15:47:29 +00:00
Jan Hubicka
96bdf9b403 Makefile.in: Regenerate. 
* Makefile.in: Regenerate.
	* Makefile.def (gcc host module) and soft dependency on lto-plugin
	and configure dependency on lto-plugin configure.
	(lto-plugin module): Remove dependency on GCC; add dependency on
	liniberty.

	* doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
	and no longer claim that gold is required for linker plugin.
	* configure: Regenerate.
	* gcc.c (PLUGIN_COND): New macro.
	(LINK_COMMAND_SPEC): Use it.
	(main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
	* config.in (HAVE_LTO_PLUGIN): New.
	* configure.ac (--with-lto-plugin): New parameter; autodetect
	HAVE_LTO_PLUGIN.

From-SVN: r168593
 2011-01-08 01:37:00 +00:00
H.J. Lu
96f5b13771 Keep -m[arch|tune]=native in COLLECT_GCC_OPTIONS. 
2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/42445
	* gcc.c (%>S): New.
	(SWITCH_KEEP_FOR_GCC): Likewise.
	(set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
	(do_spec_1): Handle "%>".

	* config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".

From-SVN: r168583
 2011-01-07 12:35:05 -08:00
Jie Zhang
a0d43bacfc re PR driver/47137 (gcc incorrectly combines assembly inputs) 
PR driver/47137
	* gcc.c (default_compilers[]): Set combinable field to 0
	for all assembly languages.

From-SVN: r168459
 2011-01-04 10:21:27 +00:00
Jakub Jelinek
9f8e43c012 gcc.c (process_command): Update copyright notice dates. 
gcc/
	* gcc.c (process_command): Update copyright notice dates.
	* gcov.c (print_version): Likewise.
	* gcov-dump.c (print_version): Likewise.
	* mips-tfile.c (main): Likewise.
	* mips-tdump.c (main): Likewise.
gcc/fortran/
	* gfortranspec.c (lang_specific_driver): Update copyright notice
	dates.
gcc/java/
	* jcf-dump.c (version): Update copyright notice dates.
libmudflap/
	* mf-runtime.c (__mf_usage): Update copyright notice dates.
libjava/
	* gnu/gcj/convert/Convert.java (version): Update copyright notice
	dates.
	* gnu/gcj/tools/gcj_dbtool/Main.java (main): Likewise.
libjava/classpath/
	* gnu/java/rmi/registry/RegistryImpl.java (version): Update
	copyright notice dates.
	* tools/gnu/classpath/tools/orbd/Main.java (run): Likewise.

From-SVN: r168432
 2011-01-03 17:14:57 +01:00
H.J. Lu
56b721c591 Revert revision 168407. 
2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/47137
	* gcc.c (main): Revert revision 168407.

From-SVN: r168429
 2011-01-03 07:03:05 -08:00
H.J. Lu
1e67fa1fb4 Don't check have_o when settting combine_inputs. 
2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/47137
	* gcc.c (main): Don't check have_o when settting combine_inputs.

From-SVN: r168407
 2011-01-02 09:54:22 -08:00
Joseph Myers
dd9f93dc90 common.opt (N, [...]): New options. 
* common.opt (N, Q, Qn, Qy, Z, n, r, s, t): New options.
	* gcc.c (cc1_options): Add %{Qy:}.

ada:
	* gcc-interface/lang.opt (k8): New option.

java:
	* lang.opt (static-libgcj): New option.

From-SVN: r167429
 2010-12-03 15:11:42 +00:00
Joseph Myers
12b57b0f1d gcc.c (LINK_COMMAND_SPEC): Don't handle -A, -d or -m. 
* gcc.c (LINK_COMMAND_SPEC): Don't handle -A, -d or -m.
	* config/darwin.h (LINK_COMMAND_SPEC_A): Likewise.
	* config/i386/djgpp.h (LINK_COMMAND_SPEC): Likewise.

From-SVN: r167428
 2010-12-03 15:09:59 +00:00
Ian Lance Taylor
7a9389330e Add Go frontend, libgo library, and Go testsuite. 
gcc/:
	* gcc.c (default_compilers): Add entry for ".go".
	* common.opt: Add -static-libgo as a driver option.
	* doc/install.texi (Configuration): Mention libgo as an option for
	--enable-shared.  Mention go as an option for --enable-languages.
	* doc/invoke.texi (Overall Options): Mention .go as a file name
	suffix.  Mention go as a -x option.
	* doc/frontends.texi (G++ and GCC): Mention Go as a supported
	language.
	* doc/sourcebuild.texi (Top Level): Mention libgo.
	* doc/standards.texi (Standards): Add section on Go language.
	Move references for other languages into their own section.
	* doc/contrib.texi (Contributors): Mention that I contributed the
	Go frontend.
gcc/testsuite/:
	* lib/go.exp: New file.
	* lib/go-dg.exp: New file.
	* lib/go-torture.exp: New file.
	* lib/target-supports.exp (check_compile): Match // Go.

From-SVN: r167407
 2010-12-03 04:34:57 +00:00
Joseph Myers
3028a95cd6 gcc.c (trad_capable_cpp, [...]): Don't handle -ftraditional. 
* gcc.c (trad_capable_cpp, default_compilers): Don't handle
	-ftraditional.

objc:
	* lang-specs.h: Don't handle -ftraditional.

From-SVN: r167385
 2010-12-02 19:39:16 +00:00
Richard Guenther
42113d6b9d re PR driver/44986 (-fuse-linker-plugin -save-temps gives resolution file base name of last argument) 
2010-11-30  Richard Guenther  <rguenther@suse.de>

	PR lto/44986
	* gcc.c (main): Use the first input with a compiler as infile
	for link spec processing.

From-SVN: r167292
 2010-11-30 10:00:51 +00:00
Joseph Myers
71f3e391b3 system.h: Include "safe-ctype.h" instead of <safe-ctype.h>. 
* system.h: Include "safe-ctype.h" instead of <safe-ctype.h>.
	Include <signal.h>, <sys/mman.h>, <sys/resource.h> and
	<sys/times.h>.
	(O_BINARY, SIGCHLD, MAP_FAILED, MAP_ANONYMOUS, kill):
	Conditionally define.
	(GET_ENVIRONMENT): Poison.
	* configure.ac: Don't test for mincore.
	* configure: Regenerate.
	* config.in: Regenerate.
	* collect2-aix.c: Don't include <sys/mman.h>.
	* collect2.c: Don't include <signal.h>.
	(SIGCHLD): Don't define.
	(prefix_from_env): Use getenv instead of GET_ENVIRONMENT.
	* config/alpha/alpha.c: Include "splay-tree.h" instead of
	<splay-tree.h>.
	* config/arm/arm.c (arm_target_help): Use getenv instead of
	GET_ENVIRONMENT.
	* config/avr/driver-avr.c: Don't include <stdlib.h>.
	* config/frv/frv.c: Don't include <ctype.h>.
	* config/host-darwin.c: Don't include <sys/mman.h>.
	* config/host-hpux.c: Don't include <sys/mman.h> or <unistd.h>.
	(MAP_FAILED): Don't define.
	* config/host-linux.c: Don't include <sys/mman.h> or <limits.h>.
	* config/host-solaris.c: Don't include <sys/mman.h>.
	* config/i386/cygming.h: Don't include <stdio.h>.
	* config/i386/driver-i386.c: Don't include <stdlib.h>.
	* config/i386/host-cygwin.c: Don't include <sys/mman.h>.
	* config/iq2000/iq2000.c: Don't include <signal.h>.
	* config/m32c/m32c-pragma.c: Don't include <stdio.h>.
	* config/m68hc11/m68hc11.c: Don't include <stdio.h>.
	* config/mep/mep-pragma.c: Don't include <stdio.h>.
	* config/microblaze/microblaze.c: Don't include <signal.h>.
	* config/mips/mips.c: Don't include <signal.h>.
	* config/rs6000/host-darwin.c: Don't include <signal.h>.
	* cppdefault.c (cpp_relocated): Use getenv instead of
	GET_ENVIRONMENT.
	* defaults.h (GET_ENVIRONMENT): Don't define.
	* et-forest.h: Don't include <ansidecl.h> or <stddef.h>.
	* gcc.c: Don't include <signal.h>, <sys/mman.h> or <sys/types.h>.
	(SIGCHLD, MAP_FAILED, kill): Don't define.
	(process_command): Use getenv instead of GET_ENVIRONMENT.
	* genhooks.c: Don't include <string.h>.
	* ggc-common.c: Don't include <sys/resource.h>, <sys/mman.h> or
	<sys/types.h>.
	(MAP_FAILED): Don't define.
	* ggc-page.c Don't include <sys/mman.h>.
	(MAP_ANONYMOUS, MAP_FAILED): Don't define.
	* ggc-zone.c: Don't include <sys/mman.h>.
	(MAP_ANONYMOUS, MAP_FAILED): Don't define.
	* graph.c: Include "config.h" instead of <config.h>.
	* incpath.c (add_env_var_paths): Use getenv instead of
	GET_ENVIRONMENT.
	* lto-wrapper.c: Don't include <errno.h>, <signal.h> or
	"libiberty.h".
	(SIGCHLD, kill): Don't define.
	* mips-tfile.c: Don't include <signal.h>.
	* opts.c: Don't include <signal.h> or <sys/resource.h>.
	(print_specific_help): Use getenv instead of GET_ENVIRONMENT.
	* passes.c: Don't include <signal.h>, <sys/resource.h> or
	<sys/times.h>.
	* sparseset.h: Don't include <assert.h>.
	* timevar.c: Don't include <sys/times.h> or <sys/resource.h>.
	* tlink.c: Don't include "libiberty.h".
	* toplev.c: Don't include <signal.h> or <sys/times.h>.
	* tree-mudflap.c: Include "demangle.h" instead of <demangle.h>.
	* tree-switch-conversion.c: Don't include <signal.h>.
	* vmsdbgout.c: Don't include <errno.h> or <string.h>.

c-family:
	* c-opts.c (check_deps_environment_vars): Use getenv instead of
	GET_ENVIRONMENT.
	* c-pch.c (O_BINARY): Don't define here.
	* c-pragma.h: Include "cpplib.h" instead of <cpplib.h>.

fortran:
	* gfortran.h (alloca): Don't include definitions.
	(NULL): Don't define.

java:
	* boehm.c: Include "config.h" instead of <config.h>.
	* builtins.c: Don't include <stdarg.h>.
	* class.c: Don't include "stdio.h".
	(O_BINARY): Don't define here.
	* jcf-depend.c: Don't include <assert.h>.
	(jcf_dependency_set_dep_file, jcf_dependency_init,
	jcf_dependency_write): Use gcc_assert.
	* jcf-io.c (O_BINARY): Don't define here.
	* jcf-path.c: Don't include "tm.h".
	(jcf_path_init): Use getenv instead of GET_ENVIRONMENT.
	* resource.c: Don't include "stdio.h".
	(O_BINARY): Don't define here.
	* verify-impl.c: Don't include <stdio.h>.

lto:
	* lto-endian.h: Delete.
	* lto-object.c: Don't include "libiberty.h".
	(O_BINARY): Don't define.
	* lto.c: Don't include "libiberty.h" or <sys/mman.h>.
	(O_BINARY): Don't define.

From-SVN: r167241
 2010-11-29 14:09:41 +00:00
Dave Korn
9a37bc079d re PR driver/42690 (Undefined reference errors with -flto -fuse-linker-plugin) 
PR driver/42690
	* gcc.c (LINK_COMMAND_SPEC): Remove hard-coded pass-through plugin
	options, replace by call of pass-through-libs spec function to process
	link_gcc_c_sequence spec.
	(lto_libgcc_spec): Delete variable.
	(static_specs[]): Remove related entry.
	(static_spec_functions[]): Add new entry for pass-through-libs.
	(main): Don't generate deleted lto_libgcc_spec.
	(pass_through_libs_spec_func): New function to implement the new
	pass-through-libs spec function.
	* doc/invoke.texi (pass-through-libs): Document new spec function.

From-SVN: r167091
 2010-11-23 19:18:39 +00:00
Dmitry Gorbachev
de9a793edf re PR driver/43335 (Driver crashes dereferencing a null pointer if it can't find lto-wrapper) 
2010-11-22  Dmitry Gorbachev  <d.g.gorbachev@gmail.com>

	PR driver/43335
	* gcc.c (main): Don't crash when lto-wrapper program is not found.

From-SVN: r167052
 2010-11-22 21:18:15 +00:00
Nathan Froyd
69d540bdc7 gcc.c (char_p): Define. 
* gcc.c (char_p): Define.  Define a VEC of it.
	(n_linker_options, n_assembler_options, n_preprocessor_options):
	Delete.
	(linker_options, assembler_options, preprocessor_options): Convert
	to a VEC.
	(add_preprocessor_option): Adjust.
	(add_assembler_option): Adjust.
	(add_linker_option): Adjust.
	(do_specs_vec): New function.
	(do_spec_1): Call it.  Adjust for new types.

From-SVN: r166801
 2010-11-16 14:18:02 +00:00
Joseph Myers
5b634ee080 gcc.c: Include "vec.h". 
* gcc.c: Include "vec.h".
	(argbuf): Make into a VEC.
	(argbuf_length, argbuf_index): Remove.
	(alloc_args, clear_args, store_arg, execute, insert_wrapper,
	do_spec, do_self_spec, do_spec_1, eval_spec_function, main,
	compare_debug_dump_opt_spec_function: Use VEC interfaces on
	argbuf.
	* Makefile.in (GCC_OBJS): Add vec.o and ggc-none.o.
	(gcc.o): Depend on $(VEC_H).

From-SVN: r166788
 2010-11-16 01:01:57 +00:00
Joseph Myers
a4d8c67600 Makefile.in (OPTS_H): Define. 
* Makefile.in (OPTS_H): Define.
	(c-decl.o, c-family/c-common.o, c-family/c-opts.o,
	c-family/c-pch.o, c-family/c-pragma.o, gcc.o, gccspec.o,
	cppspec.o, options.o, gcc-options.o, lto-opts.o, opts.o,
	opts-common.o, toplev.o, passes.o, matrix-reorg.o,
	ipa-struct-reorg.o, PLUGIN_HEADERS): Use $(OPTS_H).
	* gcc.c (driver_handle_option): Take location_t parameter.
	(process_command, do_self_spec): Update calls to
	read_cmdline_option.
	* langhooks-def.h (lhd_handle_option): Take location_t parameter.
	* langhooks.c (lhd_handle_option): Take location_t parameter.
	* langhooks.h (handle_option): Take location_t parameter.
	* lto-opts.c (lto_reissue_options): Update call to set_option.
	* opts-common.c (handle_option): Make static.  Take location_t
	parameter and pass it to other functions.
	(handle_generated_option): Take location_t parameter and pass it
	to other functions.
	(read_cmdline_option): Take location_t parameter and pass it to
	other functions.  Use warning_at and error_at.
	(set_option): Take location_t parameter and pass it to other
	functions.
	* opts.c (common_handle_option): Take location_t parameter and
	pass it to other functions.
	(enable_warning_as_error): Make static.  Take location_t parameter
	and pass it to other functions.
	(lang_handle_option): Take location_t parameter and pass it to
	other functions.
	(target_handle_option): Take location_t parameter.
	(read_cmdline_options, maybe_default_option,
	maybe_default_options, default_options_optimization,
	decode_options): Take location_t parameter and pass it to other
	functions.
	* opts.h: Include input.h.
	(struct cl_option_handler_func, decode_options, set_option,
	handle_generated_option, read_cmdline_option): Take location_t
	parameters.
	(handle_option, enable_warning_as_error): Remove.
	* toplev.c (toplev_main): Update call to decode_options.

ada:
	* gcc-interface/Make-lang.in (ada/misc.o): Use $(OPTS_H).
	* gcc-interface/misc.c (gnat_handle_option): Take location_t
	parameter.

c-family:
	* c-common.c (parse_optimize_options): Update call to
	decode_options.
	* c-common.h (c_common_handle_option): Update prototype.
	* c-opts.c (c_common_handle_option): Take location_t parameter and
	pass it to other functions.

cp:
	* Make-lang.in (g++spec.o): Use $(OPTS_H).

fortran:
	* Make-lang.in (gfortranspec.o): Use $(OPTS_H).
	* gfortran.h (gfc_handle_option): Take location_t parameter.
	* options.c (gfc_handle_option): Take location_t parameter.

java:
	* Make-lang.in (jvspec.o, java/lang.o): Use $(OPTS_H).
	* lang.c (java_handle_option): Take location_t parameter.

lto:
	* Make-lang.in (lto/lto.o): Use $(OPTS_H).
	* lto-lang.c (lto_handle_option): Take location_t parameter.

From-SVN: r166688
 2010-11-12 23:26:56 +00:00
Jan Hubicka
014d92e193 invoke.texi (-fwhopr): Merge into -flto section. 
* doc/invoke.texi (-fwhopr): Merge into -flto section.
	(-flto-partition): Document none.
	* gcc.c (LINK_COMMAND_SPEC): Remove -fwhopr.
	* lto-wrapper.c: Update comment.
	(run_gcc): Update LTO option parsing.
	* opts.c (finish_options): add support -flto-partition=none
	(common_handle_option): Remove fwhopr.
	* common.opt: Turn fwhopr into flto.
	* collect2.c (main): Update option handling.
	* cgraphunit.c (cgraph_decide_is_function_needed): Remove flag_whopr.
	* ipa-split.c (execute_split_functions): Remove flag_whopr.
	* ipa.c (function_and_variable_visibility): Remove flag_whopr.
	* ipa-prop.c (ipa_compute_jump_functions): Remove flag_whopr.
	* varpool.c (decide_is_variable_needed): Remove flag_whopr.
	
	* gcc.dg/20081223-1.c: Update LTO options.
	* gcc.dg/lto/20090206-1_0.c: Update LTO options.
	* gcc.dg/lto/20081118_0.c: Update LTO options.
	* gcc.dg/lto/ipareference_0.c: Update LTO options.
	* gcc.dg/lto/20100423-2_0.c: Update LTO options.
	* gcc.dg/lto/20081201-1_0.c: Update LTO options.
	* gcc.dg/lto/ipacp_0.c: Update LTO options.
	* gcc.dg/lto/20090116_0.c: Update LTO options.
	* gcc.dg/lto/20091015-1_0.c: Update LTO options.
	* gcc.dg/lto/20090126-2_0.c: Update LTO options.
	* gcc.dg/lto/20081202-2_0.c: Update LTO options.
	* gcc.dg/lto/20081204-1_0.c: Update LTO options.
	* gcc.dg/lto/const-uniq_0.c: Update LTO options.
	* gcc.dg/lto/20081224_0.c: Update LTO options.
	* gcc.dg/lto/20090219_0.c: Update LTO options.
	* gcc.dg/lto/ipareference2_0.c: Update LTO options.
	* gcc.dg/lto/20090206-2_0.c: Update LTO options.
	* gcc.dg/lto/20081115_0.c: Update LTO options.
	* gcc.dg/lto/20081201-2_0.c: Update LTO options.
	* gcc.dg/lto/20081120-2_0.c: Update LTO options.
	* gcc.dg/lto/materialize-1_0.c: Update LTO options.
	* gcc.dg/lto/20090126-1_0.c: Update LTO options.
	* gcc.dg/lto/20081202-1_0.c: Update LTO options.
	* gcc.dg/lto/noreturn-1_0.c: Update LTO options.
	* g++.dg/20090107-1.C: Update LTO options.
	* g++.dg/lto/pr45679-2_0.C: Update LTO options.
	* g++.dg/lto/20081123_0.C: Update LTO options.
	* g++.dg/lto/20090313_0.C: Update LTO options.
	* g++.dg/lto/20081125_0.C: Update LTO options.
	* g++.dg/lto/20081109-1_0.C: Update LTO options.
	* g++.dg/lto/20081219_0.C: Update LTO options.
	* g++.dg/lto/20100724-1_0.C: Update LTO options.
	* g++.dg/lto/20081204-1_0.C: Update LTO options.
	* g++.dg/lto/20090303_0.C: Update LTO options.
	* g++.dg/lto/20100723-1_0.C: Update LTO options.
	* g++.dg/lto/pr45679-1_0.C: Update LTO options.
	* g++.dg/lto/20090128_0.C: Update LTO options.
	* g++.dg/lto/20081204-2_0.C: Update LTO options.
	* g++.dg/lto/20090302_0.C: Update LTO options.
	* g++.dg/lto/20081119-1_0.C: Update LTO options.
	* g++.dg/lto/20081118_0.C: Update LTO options.
	* g++.dg/20090121-1.C: Update LTO options.
	* objc.dg/lto/lto.exp: Update LTO options.
	* lib/lto.exp: Update LTO options.
	* lib/gcc-dg.exp: Update LTO options.
	* lib/c-torture.exp: Update LTO options.
	* obj-c++.dg/lto/lto.exp: Update LTO options.

From-SVN: r166625
 2010-11-11 22:54:53 +00:00
Joseph Myers
d547878398 common.opt (flag_excess_precision_cmdline, [...]): New Variable declarations. 
* common.opt (flag_excess_precision_cmdline, flag_generate_lto,
	warn_larger_than, larger_than_size, warn_frame_larger_than,
	frame_larger_than_size, flag_gen_aux_info, flag_shlib,
	default_visibility, flag_tls_default): New Variable declarations.
	(aux-info, auxbase, dumpbase, dumpdir, falign-functions=,
	falign-jumps=, falign-labels=, falign-loops=, o, v): Use Var.
	(v): Declare as Common and document here.
	* flags.h (default_visibility, flag_generate_lto,
	warn_larger_than, larger_than_size, warn_frame_larger_than,
	frame_larger_than_size, flag_gen_aux_info, flag_pedantic_errors,
	flag_shlib, flag_excess_precision_cmdline): Remove.
	(set_Wstrict_aliasing): Update prototype.
	* gcc.c (verbose_flag): Remove.
	(driver_handle_option): Add diagnostic_context parameter.  Don't
	handle OPT_v explicitly here.  Set verbose_flag to 1 rather than
	incrementing it.
	* opts-common.c (handle_option): Pass dc to handler.
	* opts.c (warn_larger_than, larger_than_size,
	warn_frame_larger_than, frame_larger_than_size,
	default_visibility): Remove.
	(common_handle_option): Add diagnostic_context parameter.
	(set_fast_math_flags, set_unsafe_math_optimizations_flags): Add
	gcc_options parameters.
	(lang_handle_option, target_handle_option, read_cmdline_options,
	decode_options): Add diagnostic_context parameters.
	(finish_options): Access option state through opts pointer where
	possible.
	(common_handle_option): Access option state through opts pointer
	where possible.  Do not set local static variable verbose.  Do not
	explicitly handle OPT_v, OPT_Wstrict_aliasing_,
	OPT_Wstrict_overflow_, OPT_Wunused, OPT_auxbase, OPT_dumpbase,
	OPT_dumpdir, OPT_falign_functions_, OPT_falign_jumps_,
	OPT_falign_labels_, OPT_falign_loops_, OPT_fira_verbose_, OPT_o or
	OPT_fwhopr_.  Do not explicitly set .opt file variables for
	OPT_aux_info or OPT_pedantic_errors.  Use dc for diagnostic
	context.
	(set_Wstrict_aliasing): Add gcc_options parameter.
	* opts.h (struct cl_option_handler_func): Add diagnostic_context
	parameter to handler.
	(decode_options): Add diagnostic_context parameter.
	* toplev.c (dump_base_name, dump_dir_name, aux_base_name,
	asm_file_name, flag_generate_lto, flag_gen_aux_info,
	aux_info_file_name, flag_shlib, flag_tls_default,
	flag_excess_precision_cmdline, flag_pedantic_errors): Remove.
	(toplev_main): Pass global_dc to decode_options.
	* toplev.h (dump_base_name, dump_dir_name, aux_base_name,
	aux_info_file_name, asm_file_name): Remove.
	* tree.h (flag_tls_default): Remove.

c-family:
	* c-common.c (parse_optimize_options): Pass global_dc to
	decode_options.
	* c-opts.c (c_common_handle_option): Pass &global_options to
	set_Wstrict_aliasing.
	* c.opt (v): Don't mark Common or document here.

fortran:
	* cpp.c (asm_file_name): Don't declare here.

objc:
	* objc-act.c (dump_base_name): Don't declare here.

From-SVN: r166565
 2010-11-10 22:35:13 +00:00
Joseph Myers
6d721f6786 common.opt (R, [...]): New. 
* common.opt (R, T, Tbss, Tdata, Ttext, h, z): New.
	* defaults.h (DEFAULT_SWITCH_TAKES_ARG, SWITCH_TAKES_ARG): Remove.
	(DEFAULT_WORD_SWITCH_TAKES_ARG): Define to 0.
	* doc/tm.texi.in (SWITCH_TAKES_ARG): Remove.
	(WORD_SWITCH_TAKES_ARG): Don't refer to SWITCH_TAKES_ARG.
	Document that options in .opt files do not need to be included.
	* doc/tm.texi: Regenerate.
	* gcc.c (LINK_COMMAND_SPEC): Don't include %{x}.
	* opts-common.c: Update comment on tm.h include.
	(decode_cmdline_option): Don't use SWITCH_TAKES_ARG.
	* system.h (SWITCH_TAKES_ARG): Poison.
	* config/alpha/alpha.h (SWITCH_TAKES_ARG): Remove.
	* config/darwin.h (WORD_SWITCH_TAKES_ARG): Remove options included
	in darwin.opt.
	(LINK_COMMAND_SPEC_A): Don't include %{x}.
	* config/fr30/fr30.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG):
	Remove.
	* config/freebsd-spec.h (FBSD_SWITCH_TAKES_ARG): Remove.
	* config/freebsd.h (SWITCH_TAKES_ARG): Remove.
	* config/frv/frv.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG):
	Remove.
	* config/i386/djgpp.h (LINK_COMMAND_SPEC): Don't include %{x}.
	* config/ia64/ia64.h (SWITCH_TAKES_ARG): Remove.
	* config/interix.h (WORD_SWITCH_TAKES_ARG): Don't handle -T
	options.
	* config/lm32/lm32.h (SWITCH_TAKES_ARG): Remove.
	* config/m32r/m32r.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG):
	Remove.
	* config/microblaze/microblaze.h (SWITCH_TAKES_ARG): Remove.
	* config/mips/mips.h (SWITCH_TAKES_ARG): Remove.
	* config/mips/netbsd.h (SWITCH_TAKES_ARG): Remove.
	* config/mips/vxworks.h (SWITCH_TAKES_ARG): Remove.
	* config/netbsd-aout.h (SWITCH_TAKES_ARG): Remove.
	* config/netbsd-elf.h (SWITCH_TAKES_ARG): Remove.
	* config/openbsd.h (SWITCH_TAKES_ARG): Remove.
	* config/rs6000/sysv4.h (SWITCH_TAKES_ARG): Remove.
	* config/score/score.h (SWITCH_TAKES_ARG): Remove.
	* config/sol2.h (SWITCH_TAKES_ARG): Remove.
	* config/sparc/sp-elf.h (SWITCH_TAKES_ARG): Remove.
	* config/sparc/sp64-elf.h (SWITCH_TAKES_ARG): Remove.
	* config/sparc/sparc.h (ASM_SPEC): Don't include %{R}.
	* config/svr4.h (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Remove.

From-SVN: r166155
 2010-11-01 23:40:53 +00:00
Joseph Myers
efe5e5a0d8 gcc.c (n_switches_alloc_debug_check): New. 
* gcc.c (n_switches_alloc_debug_check): New.
	(set_option_handlers): New.
	(process_command): Use set_option_handlers.
	(do_self_spec): Pass spec-generated options through option
	handlers.
	(main): Also save and restore n_switches_alloc when swapping
	switch arrays.

From-SVN: r165891
 2010-10-23 23:26:08 +01:00
Joseph Myers
c3fb2eb4b6 gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION, [...]): Remove. 
* gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION,
	SWITCH_CURTAILS_COMPILATION): Remove.
	* doc/tm.texi.in (SWITCH_CURTAILS_COMPILATION): Remove
	documentation.
	* doc/tm.texi: Regenerate.
	* system.h (SWITCH_CURTAILS_COMPILATION): Poison.

From-SVN: r165855
 2010-10-22 20:34:43 +01:00
Joseph Myers
a75bfaa6cd Makefile.in (TM_H): Include $(FLAGS_H) instead of options.h. 
* Makefile.in (TM_H): Include $(FLAGS_H) instead of options.h.
	(TREE_H): Include $(FLAGS_H) instead of options.h.
	(opts-common.o): Depend on $(FLAGS_H) instead of options.h.
	* c-objc-common.h (LANG_HOOKS_INIT_OPTIONS_STRUCT): Define.
	* common.opt (flag_complex_method, flag_evaluation_order,
	flag_ira_algorithm, flag_ira_region, flag_warn_unused_result): New
	Variable declarations.
	* configure.ac (tm_include_list): Include flags.h instead of
	options.h.
	* configure: Regenerate.
	* flags.h: Condition out contents for target libraries.  Include
	options.h at end of file.
	(flag_complex_method, flag_ira_algorithm, flag_ira_region,
	flag_evaluation_order, flag_warn_unused_result): Remove.
	* gcc.c (main): Intialize global_options with global_options_init.
	* langhooks-def.h (lhd_init_options_struct): Declare.
	(LANG_HOOKS_INIT_OPTIONS_STRUCT): Define.
	(LANG_HOOKS_INITIALIZER): Include LANG_HOOKS_INIT_OPTIONS_STRUCT.
	* langhooks.c (lhd_init_options_struct): New.
	* langhooks.h (struct lang_hooks): Add init_options_struct.
	Update comment on init_options.
	* optc-gen.awk: Generate initializer for global_options_init, not
	global_options.
	* opth-gen.awk: Condition out structure declarations for target
	libraries.  Declare global_options_init.
	* opts-common.c: Include flags.h instead of options.h.
	* opts.c (flag_warn_unused_result): Remove.
	(read_cmdline_options): Take gcc_options parameters.  Pass them to
	read_cmdline_option.
	(initial_lang_mask, initial_min_crossjump_insns,
	initial_max_fields_for_field_sensitive,
	initial_loop_invariant_max_bbs_in_loop): Define at file scope.
	(init_options_once): New.  Split out of decode_options.
	(init_options_struct): New.  Split out of decode_options.
	(decode_cmdline_options_to_array_default_mask): New.
	(default_options_optimization): New.  Split out of decode_options.
	(decode_options): Move most code to other functions.  Update call
	to read_cmdline_options.
	(finish_options): New.  Split out of decode_options.
	* opts.h (decode_options): Add gcc_options parameters.
	(init_options_once, init_options_struct,
	decode_cmdline_options_to_array_default_mask): New.
	* toplev.c (flag_complex_method, flag_ira_algorithm,
	flag_ira_region, flag_evaluation_order): Remove.
	(general_init): Use global_options_init for initial flag values
	for global_dc.
	(toplev_main): Call init_options_once, init_options_struct,
	lang_hooks.init_options_struct,
	decode_cmdline_options_to_array_default_mask and
	lang_hooks.init_option before decode_options.  Update arguments to
	decode_options.
	* tree.h: Include flags.h instead of options.h.

ada:
	* gcc-interface/misc.c (gnat_init_options_struct): New.  Split out
	from gnat_init_options.
	(LANG_HOOKS_INIT_OPTIONS_STRUCT): Define.

c-family:
	* c-common.c (parse_optimize_options): Call
	decode_cmdline_options_to_array_default_mask before
	decode_options.  Update arguments to decode_options.
	* c-common.h (c_common_init_options_struct): Declare.
	* c-opts.c (c_common_init_options_struct): New.  Split out from
	c_common_init_options.

cp:
	* cp-objcp-common.h (LANG_HOOKS_INIT_OPTIONS_STRUCT): Define.

fortran:
	* f95-lang.c (LANG_HOOKS_INIT_OPTIONS_STRUCT): Define.
	* gfortran.h (gfc_init_options_struct): Declare.
	* options.c (gfc_init_options_struct): New.  Split out from
	gfc_init_options.

java:
	* lang.c (java_init_options_struct): New.  Split out from
	java_init_options.
	(LANG_HOOKS_INIT_OPTIONS_STRUCT): Define.

lto:
	* lto-lang.c (lto_init_options): Change to
	lto_init_options_struct.  Update parameters.
	(LANG_HOOKS_INIT_OPTIONS): Don't define.
	(LANG_HOOKS_INIT_OPTIONS_STRUCT): Define.

From-SVN: r165189
 2010-10-08 16:17:32 +01:00
Dave Korn
1cd0b7167e configure.ac (build_lto_plugin): New shell variable. 
ChangeLog:

2010-10-07  Dave Korn  <dave.korn.cygwin@gmail.com>

	* configure.ac (build_lto_plugin): New shell variable.
	(--enable-lto): Turn on by default for all non-ELF platforms that
	have had LTO support added so far.  Set build_lto_plugin appropriately
	for both ELF and non-ELF.
	(configdirs): Add lto-plugin or not based on build_lto_plugin.
	* configure: Regenerate.

gcc/ChangeLog:

2010-10-07  Dave Korn  <dave.korn.cygwin@gmail.com>

	* config.host (host_lto_plugin_soname): New shell variable.
	* configure.ac (LTOPLUGINSONAME): Add an AC_DEFINE for the above.
	* config.in: Regenerate.
	* configure: Regenerate.
	* gcc.c (main): Use LTOPLUGINSONAME instead of hard-coding name of
	LTO plugin shared library.

lto-plugin/ChangeLog:

2010-10-07  Dave Korn  <dave.korn.cygwin@gmail.com>

	* configure.ac: Source config.gcc to determine lto_binary_reader.
	(LTO_FORMAT): New AC_SUBST variable inferred from lto_binary_reader.
	* Makefile.am (LTO_FORMAT): Import.
	(liblto_plugin_la_SOURCES): Add object format dependent module
	defined by LTO_FORMAT.
	(liblto_plugin_la_LIBADD): Allow for both PIC and non-PIC libiberty,
	and work around libtool warning.
	* configure: Regenerate.
	* Makefile.in: Likewise.
	* lto-plugin.c (struct sym_aux): Move to new lto-plugin.h.
	(struct sym_aux): Likewise.
	(struct plugin_symtab): Likewise.
	(struct plugin_file_info): Likewise.
	(LTO_SECTION_PREFIX): Likewise.
	(add_symbols):  Make non-static.
	(claimed_files): Likewise.
	(num_claimed_files): Likewise.
	(check): Likewise.
	(parse_table_entry): Likewise.
	(translate): Likewise.
	(resolve_conflicts): Likewise.
	(process_symtab): Move to new lto-plugin-elf.c object format dependent
	source file.
	(claim_file_handler): Likewise, and make non-static.
	(onload): Call new onload_format_checks function.
	* lto-plugin.h: New file.
	(LTO_SECTION_PREFIX): Move here.
	(struct sym_aux): Likewise.
	(struct plugin_symtab): Likewise.
	(struct plugin_file_info): Likewise.
	(claim_file_handler): Add new function prototype.
	(onload_format_checks): Likewise.
	(check): Declare extern.
	(translate): Likewise.
	(parse_table_entry): Likewise.
	(resolve_conflicts): Likewise.
	(add_symbols):  Likewise.
	(claimed_files): Likewise.
	(num_claimed_files): Likewise.
	* lto-plugin-elf.c (process_symtab): Move here.
	(claim_file_handler): Likewise, and make non-static.
	(onload_format_checks): New function factored out from onload.
	* lto-plugin-coff.c (claim_file_handler): New function stub.
	(onload_format_checks): Likewise.

From-SVN: r165133
 2010-10-07 20:28:59 +00:00
Joseph Myers
1ebe4b4fa0 opts-common.c (handle_option, [...]): Add diagnostic_context parameter. 
* opts-common.c (handle_option, handle_generated_option,
	read_cmdline_option, set_option): Add diagnostic_context
	parameter.  Update calls among these functions.
	(set_option): Don't use global_dc.
	* opts.c (read_cmdline_options): Pass global_dc to
	read_cmdline_option.
	(decode_options): Pass global_dc to enable_warning_as_error.
	(common_handle_option): Pass global_dc to enable_warning_as_error.
	(enable_warning_as_error): Add diagnostic_context parameter.
	Document parameters.  Don't use global_dc.  Pass
	diagnostic_context parameter to handle_generated_option.
	* opts.h (set_option, handle_option, handle_generated_option,
	read_cmdline_option, enable_warning_as_error): Add
	diagnostic_context parameter.
	* Makefile.in (lto-opts.o): Update dependencies.
	* coretypes.h (struct diagnostic_context, diagnostic_context):
	Declare here.
	* diagnostic.h (diagnostic_context): Don't declare typedef here.
	* gcc.c (process_command): Pass global_dc to read_cmdline_option.
	* langhooks-def.h (struct diagnostic_context): Don't declare here.
	(lhd_print_error_function, lhd_initialize_diagnostics): Declare
	using diagnostic_context typedef.
	* langhooks.c (lhd_initialize_diagnostics): Declare using
	diagnostic_context typedef.
	* langhooks.h (struct diagnostic_context): Don't declare here.
	(initialize_diagnostics, print_error_function): Declare using
	diagnostic_context typedef.
	* lto-opts.c: Include diagnostic.h.
	(lto_reissue_options): Pass global_dc to set_option.  Pass
	DK_UNSPECIFIED not 0.
	* plugin.c (plugins_internal_error_function): Declare using
	diagnostic_context typedef.
	* plugin.h (struct diagnostic_context): Don't declare here.
	(plugins_internal_error_function): Declare using
	diagnostic_context typedef.

c-family:
	* c-common.h (struct diagnostic_context): Don't declare here.
	(c_common_initialize_diagnostics): Declare using
	diagnostic_context typedef.
	* c-opts.c (c_common_handle_option): Pass global_dc to
	handle_generated_option.

cp:
	* cp-tree.h (cxx_print_error_function,
	cxx_initialize_diagnostics): Declare using diagnostic_context
	typedef.

From-SVN: r164991
 2010-10-05 15:28:39 +01:00
Joseph Myers
d4d24ba450 optc-gen.awk: Define global_options_set. 
* optc-gen.awk: Define global_options_set.  Don't define
	target_flags_explicit.
	* opth-gen.awk: Declare global_options_set.  Define
	target_flags_explicit as macro.
	* opts-common.c (handle_option): Take opts_set and generated_p
	parameters.
	(handle_generated_option, read_cmdline_option, set_option): Take
	opts_set parameter.
	(set_option): Use opts_set instead of hardcoding target_flags and
	target_flags_explicit.
	* opts.c (sel_sched_switch_set, profile_arc_flag_set,
	flag_profile_values_set, flag_unroll_loops_set, flag_tracer_set,
	flag_value_profile_transformations_set, flag_peel_loops_set,
	flag_branch_probabilities_set, flag_inline_functions_set,
	flag_ipa_cp_set, flag_ipa_cp_clone_set,
	flag_predictive_commoning_set, flag_unswitch_loops_set,
	flag_gcse_after_reload_set): Remove.
	(common_handle_option, lang_handle_option, target_handle_option):
	Take opts_set parameter.  Assert that it is &global_options_set.
	(common_handle_option): Don't set _set variables.  Check opts_set
	instead of such variables.
	(enable_warning_as_error): Pass &global_options_set to
	handle_generated_option.
	* opts.h (cl_option_handler_func.handler, set_option,
	handle_option, handle_generated_option, read_cmdline_option): Add
	opts_set parameters.
	(handle_option): Add generated_p parameter.
	* config/i386/i386.c (ix86_function_specific_save,
	ix86_function_specific_restore): Updat for renaming of
	target_flags_explicit field.
	* config/i386/i386.opt (target_flags_explicit): Rename to
	ix86_target_flags_explicit.
	* config/ia64/ia64.c (ia64_override_options_after_change): Check
	global_options_set.x_flag_selective_scheduling and
	global_options_set.x_flag_selective_scheduling2, not
	sel_sched_switch_set.
	* flags.h (sel_sched_switch_set,
	flag_speculative_prefetching_set): Remove.
	* gcc.c (driver_handle_option): Take opts_set parameter.  Assert
	that it is &global_options_set.
	(process_command): Pass &global_options_set to
	read_cmdline_option.
	* lto-opts.c (lto_reissue_options): Pass &global_options_set to
	set_option.
	* toplev.c (target_flags_explicit): Remove.

c-family:
	* c-opts.c (c_common_handle_option): Pass &global_options_set to
	handle_generated_option.

From-SVN: r164932
 2010-10-04 12:51:00 +01:00
Joseph Myers
46625112d2 opt-functions.awk (static_var): Update comment. 
* opt-functions.awk (static_var): Update comment.
	(var_ref): Return offsetof expression or -1, not variable address.
	* optc-gen.awk: Generate structure field initializers instead of
	static variables.  Expect -1 for missing variables instead of null
	pointer.  Add gcc_options parameters to generated functions.
	* opth-gen.awk: Generate structure fields for static variables.
	Add gcc_options parameters to generated functions.
	* common.opt (optimize, optimize_size): Add variables.
	* config/i386/i386-c.c (ix86_pragma_target_parse): Pass
	&global_options to cl_target_option_restore.
	* config/i386/i386.c (ix86_valid_target_attribute_p): Pass
	&global_options to cl_optimization_restore, cl_target_option_save
	and cl_target_option_restore.
	(ix86_set_current_function): Pass &global_options to
	cl_target_option_restore.
	* config/pdp11/pdp11.h (optimize): Remove.
	* config/rs6000/rs6000.h (optimize): Remove.
	* config/sh/sh.h (optimize): Remove.
	* config/xtensa/xtensa.h (optimize): Remove.
	* coretypes.h (struct gcc_options): Declare.
	* diagnostic.c (diagnostic_initialize): Initialize
	context->option_state.
	(diagnostic_report_diagnostic): Pass option_state to
	option_enabled hook.
	* diagnostic.h (diagnostic_context.option_enabled): Add void *
	parameter.
	(diagnostic_context.option_state): New field.
	* final.c (final_start_function, final, final_scan_insn): Rename
	optimize parameter to optimize_p.
	* flags.h (optimize, optimize_size): Remove.
	* function.c (invoke_set_current_function_hook): Pass
	&global_options to cl_optimization_restore.
	* gcc.c (driver_handle_option): Take gcc_options parameter.
	Assert that it is &global_options.
	(process_command): Pass &global_options to read_cmdline_option.
	* ipa-pure-const.c (suggest_attribute): Pass &global_options to
	option_enabled.
	* lto-opts.c (lto_reissue_options): Use option_flag_var.  Pass
	&global_options to set_option.
	* opts-common.c (handle_option, handle_generated_option,
	read_cmdline_option, set_option): Take explicit gcc_options
	parameters.  Use option_flag_var.
	(option_flag_var): New.
	* opts.c (common_handle_option, lang_handle_option,
	target_handle_option): Take gcc_options parameter.  Assert that it
	is &global_options.
	(read_cmdline_options): Pass &global_options to
	read_cmdline_option.
	(print_filtered_help): Use option_flag_var.  Pass &global_options
	to option_enabled.
	(common_handle_option): Use option_flag_var.
	(option_enabled): Take opts parameter.  Use option_flag_var.
	(get_option_state): Take gcc_options parameter.  Use
	option_flag_var.  Pass gcc_options parameter to option_enabled.
	(enable_warning_as_error): Pass &global_options to
	handle_generated_option.
	* opts.h (struct cl_option): Change flag_var to flag_var_offset.
	(cl_option_handler_func.handler): Take gcc_options parameter.
	(option_enabled, get_option_state, set_option, handle_option,
	handle_generated_option, read_cmdline_option): Take gcc_options
	parameters.
	* toplev.c (optimize, optimize_size): Remove.
	(print_switch_values): Pass &global_options to option_enabled.
	(option_affects_pch_p): Use option_flag_var.  Pass &global_options
	to get_option_state.
	(general_init): Initialize global_dc->option_state.
	* tree.c (build_optimization_node): Pass &global_options to
	cl_optimization_save.
	(build_target_option_node): Pass &global_options to
	cl_target_option_save.

c-family:
	* c-common.c (handle_optimize_attribute): Pass &global_options to
	cl_optimization_save and cl_optimization_restore.
	* c-opts.c (c_common_handle_option): Pass &global_options to
	handle_generated_option.
	* c-pragma.c (handle_pragma_diagnostic): Use option_flag_var.
	(handle_pragma_pop_options, handle_pragma_reset_options): Pass
	&global_options to cl_optimization_restore.

From-SVN: r164751
 2010-09-30 14:53:12 +01:00
Ian Lance Taylor
7458026b01 common.opt (fsplit-stack): New option. 
gcc/:
	* common.opt (fsplit-stack): New option.
	* opts.c (decode_options): Set flag_split_stack to final value.
	* target.def (supports_split_stack): New hook.
	* gcc.c (STACK_SPLIT_SPEC): Define.
	(LINK_COMMAND_SPEC): Use STACK_SPLIT_SPEC.
	* doc/invoke.texi (Option Summary): Mention -fsplit-stack.
	(Code Gen Options): Document -fsplit-stack.
	* doc/extend.texi (Function Attributes): Mention no_split_stack.
	(Function Attributes): Document no_split_stack.
	* doc/tm.texi.in (Stack Smashing Protection): Add @hook
	TARGET_SUPPORTS_SPLIT_STACK.
	* doc/tm.texi: Rebuild.
	* function.c (thread_prologue_and_epilogue_insns): If
	flag_split_stack, add split stack prologue.
	* explow.c (allocate_dynamic_stack_space): Support -fsplit-stack.
	* varasm.c (saw_no_split_stack): New static variable.
	(assemble_start_function): Set saw_no_split_stack if the function
	has the no_split_stack attribute.
	(file_end_indicate_split_stack): New function.
	* output.h (file_end_indicate_split_stack): Declare.
	* libgcc-std.ver (GCC_4.6.0): Add -fsplit-stack support variables
	and function.
	* doc/libgcc.texi (Miscellaneous routines): Document -fsplit-stack
	routines.
	* config/i386/i386.c (ix86_option_override_internal): Don't set
	expand_builtin_va_start to NULL if -fsplit-stack.
	(ix86_function_regparm): Reduce local regparm by 1 for 32-bit
	-fsplit-stack.
	(ix86_va_start): If -fsplit-stack, get overflow pointer	from
	scratch register set by prologue.
	(ix86_code_end): If -fsplit-stack, call
	file_end_indicate_split_stack.
	(ix86_supports_split_stack): New static function.
	(SPLIT_STACK_AVAILABLE): Define.
	(split_stack_prologue_scratch_regno): New static function.
	(split_stack_fn): New static variable.
	(ix86_expand_split_stack_prologue): New function.
	(ix86_live_on_entry): New static function.
	(ix86_legitimate_address_p): Handle UNSPEC_STACK_CHECK.
	(output_pic_addr_const): Likewise.
	(i386_asm_output_addr_const_extra): Likewise.
	(ix86_expand_call): Change return type to rtx.  Return the new
	call instruction.
	(TARGET_SUPPORTS_SPLIT_STACK): Define.
	(TARGET_EXTRA_LIVE_ON_ENTRY): Define.
	* config/i386/i386.md (UNSPEC_STACK_CHECK): Define.
	(split_stack_prologue, split_stack_return): New insns.
	(split_stack_space_check): New insn.
	* config/i386/i386.h (struct machine_function): Add
	split_stack_varargs_pointer field.
	* config/i386/linux.h (TARGET_CAN_SPLIT_STACK): Define.
	(TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
	* config/i386/linux64.h (TARGET_CAN_SPLIT_STACK): Define.
	(TARGET_THREAD_SPLIT_STACK_OFFSET): Define.
	* config/i386/i386-protos.h (ix86_expand_split_stack_prologue):
	Declare.
	(ix86_expand_call): Update declaration.
gcc/c-family/:
	* c-common.c (c_common_attribute_table): Add no_split_stack.
	(handle_no_split_stack_attribute): New static function.
gcc/testsuite/:
	* lib/target-supports.exp (check_effective_target_split_stack):
	New procedure.
	* gcc.dg/split-1.c: New test.
	* gcc.dg/split-2.c: New test.
	* gcc.dg/split-3.c: New test.
	* gcc.dg/split-4.c: New test.
libgcc/:
	* generic-morestack.h: New file.
	* generic-morestack.c: New file.
	* generic-morestack-thread.c: New file.
	* config/i386/morestack.S: New file.
	* config/t-stack: New file.
	* config/i386/t-stack-i386: New file.
	* config.host (i[34567]86-*-linux* and friends): Add t-stack and
	i386/t-stack-i386 to tmake_file.

From-SVN: r164661
 2010-09-27 19:48:20 +00:00
Joseph Myers
60cf253a8b opts-common.c (prune_options): Make static. 
* opts-common.c (prune_options): Make static.  Work with decoded
	options.
	(decode_cmdline_options_to_array): Call prune_options.  Don't
	resize option array here.
	* opts.h (prune_options): Remove prototype.
	* gcc.c (process_command): Take decoded options; don't call
	decode_cmdline_options_to_array here.  Use decoded options for
	argv[0].
	(main): Call decode_cmdline_options_to_array here instead of
	prune_options.  Update call to process_command.
	* config/darwin-driver.c: Include opts.h.
	(darwin_default_min_version): Work with decoded options.  Don't
	handle -b or -V here.
	* config/darwin.h (darwin_default_min_version): Update prototype.
	(GCC_DRIVER_HOST_INITIALIZATION): Update call to
	darwin_default_min_version.
	* config/i386/cygwin.h (mingw_scan): Update prototype.
	(GCC_DRIVER_HOST_INITIALIZATION): Update call to mingw_scan.
	* config/i386/cygwin1.c: Include opts.h.
	(mingw_scan): Work with decoded options.
	* config/i386/t-cygwin (cygwin1.o): Update dependencies.
	* config/t-darwin (darwin-driver.o): Update dependencies.

From-SVN: r164532
 2010-09-22 21:19:39 +01:00
Joseph Myers
e200444e3b common.opt (-assemble, [...]): New. 
* common.opt (-assemble, -compile, -coverage, -debug, -dump,
	-dump=, -dumpbase, -dumpdir, -entry, -entry=, -extra-warnings,
	-for-assembler, -for-assembler=, -for-linker, -for-linker=,
	-force-link, -force-link=, -language, -language=,
	-library-directory, -library-directory=, -no-canonical-prefixes,
	-no-standard-libraries, -no-warnings, -optimize, -output,
	-output=, -pass-exit-codes, -pedantic, -pedantic-errors, -pie,
	-pipe, -prefix, -prefix=, -preprocess, -print-file-name,
	-print-file-name=, -print-libgcc-file-name,
	-print-multi-directory, -print-multi-lib,
	-print-multi-os-directory, -print-prog-name, -print-prog-name=,
	-print-search-dirs, -print-sysroot, -print-sysroot-headers-suffix,
	-profile, -save-temps, -shared, -specs, -specs=, -static,
	-symbolic, -time, -verbose, -param=, -sysroot, coverage, e, u,
	symbolic): New.
	(fhelp, fhelp=, ftarget-help, fversion): Make into aliases.
	* gcc.c (A Short Introduction to Adding a Command-Line Option):
	Remove comment.
	(cc1_options): Correct specs for passing down --help,
	--target-help and --help=*.  Add spec for passing down --version.
	(struct option_map, option_map, target_option_translations,
	translate_options): Remove.
	(driver_handle_option): Handle OPT__version, OPT__help, OPT__help_
	and OPT__target_help instead of OPT_fversion, OPT_fhelp,
	OPT_fhelp_ and OPT_ftarget_help.
	(process_command): Don't call translate_options.  Call
	decode_cmdline_options_to_array before checking for
	-no-canonical-prefixes using decoded options.
	* opts-common.c (tm.h): Update comment on #include.
	(find_opt): Allow abbreviations of long options.
	(struct option_map, option_map): New.
	(decode_cmdline_option): Use them instead of hardcoding -Wno, -fno
	and -mno handling.
	(target_option_translations): New.
	(decode_cmdline_options_to_array): Handle
	TARGET_OPTION_TRANSLATE_TABLE in driver.
	* opts.c (common_handle_option): Don't handle OPT_fhelp,
	OPT_ftarget_help, OPT_fhelp_ or OPT_fversion.

ada:
	* gcc-interface/lang.opt (-all-warnings, -include-barrier,
	-include-directory, -include-directory=, -no-standard-includes,
	-no-standard-libraries): New.

c-family:
	* c.opt (-all-warnings, -ansi, -assert, -assert=, -comments,
	-comments-in-macros, -define-macro, -define-macro=, -dependencies,
	-dump, -dump=, -imacros, -imacros=, -include, -include=,
	-include-barrier, -include-directory, -include-directory=,
	-include-directory-after, -include-directory-after=,
	-include-prefix, -include-prefix=, -include-with-prefix,
	-include-with-prefix=, -include-with-prefix-after,
	-include-with-prefix-after=, -include-with-prefix-before,
	-include-with-prefix-before=, -no-integrated-cpp,
	-no-line-commands, -no-standard-includes, -no-warnings, -output,
	-output=, -pedantic, -pedantic-errors, -preprocess,
	-print-missing-file-dependencies, -trace-includes, -traditional,
	-traditional-cpp, -trigraphs, -undefine-macro, -undefine-macro=,
	-user-dependencies, -verbose, -write-dependencies,
	-write-user-dependencies, no-integrated-cpp, traditional): New.

fortran:
	* gfortranspec.c (lang_specific_driver): Handle OPT__version and
	OPT__help instead of OPT_fversion and OPT_fhelp.
	* lang.opt (-all-warnings, -assert, -assert=, -comments,
	-comments-in-macros, -define-macro, -define-macro=, -dependencies,
	-dump, -dump=, -include-barrier, -include-directory,
	-include-directory=, -include-directory-after,
	-include-directory-after=, -include-prefix, -include-prefix=,
	-no-line-commands, -no-standard-includes, -output, -output=,
	-preprocess, -print-missing-file-dependencies, -trace-includes,
	-undefine-macro, -undefine-macro=, -user-dependencies, -verbose,
	-write-dependencies, -write-user-dependencies): New.

java:
	* jvspec.c (lang_specific_driver): Handle OPT__help instead of
	OPT_fhelp.
	* lang.opt (-CLASSPATH, -all-warnings, -bootclasspath, -classpath,
	-dependencies, -encoding, -extdirs, -include-directory,
	-include-directory=, -output-class-directory,
	-output-class-directory=, -resource, -resource=,
	-user-dependencies): New.

From-SVN: r164531
 2010-09-22 21:12:06 +01:00
Richard Guenther
c3224d6f70 common.opt (combine): Remove. 
2010-09-17  Richard Guenther  <rguenther@suse.de>

	* common.opt (combine): Remove.
	* gcc.c (default_compilers): Remove specs testing combine.
	The C compilers no longer can combine.
	(option_map): Remove -combine.
	(display_help): Remove -combine.
	(driver_handle_option): Remove OPT_combine handling.
	(compile_input_file_p): Remove.
	(do_spec): Remove code concerning combine.
	(main): Likewise.
	* doc/invoke.texi: Remove traces of -combine.
	* lto-wrapper.c (run_gcc): Do not pass -combine to the compiler
	driver.

	lto/
	* lang.opt (flag_wpa): Also enable for the driver.

	* gcc.dg/pr27898.c: Use -flto instead of -combine.
	* gcc.dg/pr28706.c: Likewise.
	* gcc.dg/pr28712.c: Likewise.
	* gcc.dg/pr30762-1.c: Likewise.
	* gcc.dg/pr30762-2.c: Likewise.
	* gcc.dg/pr31529-1.c: Likewise.
	* gcc.dg/pr31529-2.c: Likewise.
	* gcc.dg/pr34457-1.c: Likewise.
	* gcc.dg/pr34457-2.c: Likewise.
	* gcc.dg/pr34668-1.c: Likewise.
	* gcc.dg/pr34668-2.c: Likewise.
	* gcc.dg/pr34989-1.c: Likewise.
	* gcc.dg/pr34989-2.c: Likewise.
	* gcc.dg/pr43557-1.c: Likewise.
	* gcc.dg/pr43557-2.c: Likewise.
	* gcc.dg/debug/pr41893-1.c: Likewise.
	* gcc.dg/matrix/matrix.exp: Do not use -combine.
	* gcc.dg/matrix/matrix-3.c: Drop dg-options.
	* gcc.dg/matrix/matrix-4.c: Likewise.
	* gcc.dg/struct/struct-reorg.exp: Do not use -combine.
	* gcc.dg/struct/wo_prof_empty_str.c: Drop dg-options.
	* gcc.dg/struct/wo_prof_escape_arg_to_local.c: Likewise.
	* gcc.dg/struct/wo_prof_escape_return.c: Likewise.

From-SVN: r164357
 2010-09-17 09:04:14 +00:00
Joseph Myers
d158303227 options.texi (SeparateAlias): Document. 
* doc/options.texi (SeparateAlias): Document.
	* opt-functions.awk (switch_flags): Handle SeparateAlias.
	* opth-gen.awk: Generate enumeration names for options marked
	SeparateAlias, but not for those marked Ignore.
	* opts-common.c (generate_canonical_option): Don't output separate
	argument for options marked CL_SEPARATE_ALIAS.
	(decode_cmdline_option): Handle CL_SEPARATE_ALIAS.
	* opts.h (CL_SEPARATE_ALIAS): New.
	(CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_DRIVER, CL_TARGET,
	CL_COMMON): Adjust definitions.
	* config/i386/darwin.opt, config/mips/sde.opt: New.
	* common.opt (fdump-final-insns): New.
	* config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
	i386/darwin.opt.
	(mips*-sde-elf*): Add mips/sde.opt.
	* config/mips/sde.h (DRIVER_SELF_SPECS): Don't handle
	-mno-data-in-code and -mcode-xonly here.
	* defaults.h (DEFAULT_SWITCH_TAKES_ARG): Add 'd'.
	* gcc.c (option_map): Add "j" to --dump entry.
	(translate_options): Don't translate -d to -foutput-class-dir=
	here.

java:
	* lang.opt (d): New.

testsuite:
	* gcc.dg/opts-4.c: New test.

From-SVN: r163844
 2010-09-03 22:00:05 +01:00
Joseph Myers
5de8299cec re PR driver/44076 (-MT <target> behaves different as -MT<target> (w/o space)) 
PR driver/44076
	* opts.h (struct cl_option): Add alias_arg, neg_alias_arg and
	alias_target fields.
	* opt-functions.awk (opt_sanitized_name): Don't handle
	finline-limit=, Wlarger-than= and ftemplate-depth= specially.
	* optc-gen.awk: Generate alias fields.
	* opth-gen.awk: Explicitly give values for OPT_* enum constants.
	Don't generate such constants for aliases.
	* opts-common.c (generate_canonical_option): New.
	(decode_cmdline_option): Handle aliases.  Use
	generate_canonical_option for known options instead of copying the
	input option text.
	* doc/options.texi (Alias): Document.
	* common.opt (W, Wlarger-than-, aux-info=, finline-limit-,
	fstack-check, specs): Mark as aliases.
	* gcc.c (driver_handle_option): Canonicalize -L options to joined
	arguments.
	(driver_handle_option): Don't handle OPT_specs.
	* opts.c (common_handle_option): Don't handle options marked as
	aliases.
	(enable_warning_as_error): Handle aliases.
	* stor-layout.c (layout_decl): Use OPT_Wlarger_than_ instead of
	OPT_Wlarger_than_eq.
	* tree-optimize.c (tree_rest_of_compilation): Use
	OPT_Wlarger_than_ instead of OPT_Wlarger_than_eq.

c-family:
	* c.opt (Wcomments, Werror-implicit-function-declaration,
	ftemplate-depth-, std=c89, std=c9x, std=gnu89, std=gnu9x,
	std=iso9899:1990, std=iso9899:1999, std=iso9899:199x): Mark as
	aliases.
	* c-common.c (option_codes): Use OPT_Wcomment instead of
	OPT_Wcomments.
	* c-opts.c (warning_as_error_callback, c_common_handle_option):
	Don't handle options marked as aliases.

java:
	* lang.opt (CLASSPATH, bootclasspath, classpath, encoding,
	fCLASSPATH=): Mark as Java options and as aliases.
	* jvspec.c (jvgenmain_spec): Don't handle -fCLASSPATH*.
	(lang_specific_driver): Don't handle options marked as aliases.
	* lang.c (java_handle_option): Don't handle OPT_fCLASSPATH_.

testsuite:
	* gcc.dg/cpp/warn-comments-3.c: New.  Based on warn-comments-2.c
	but using -Werror=comment.
	* gcc.dg/cpp/warn-comments.c, gcc.dg/cpp/warn-comments-2.c: Adjust
	expected error messages.

From-SVN: r163770
 2010-09-02 12:41:22 +01:00
Joseph Myers
d9d16a1956 Makefile.in (gccspec.o, cppspec.o): Update dependencies. 
* Makefile.in (gccspec.o, cppspec.o): Update dependencies.
	* common.opt (L, nodefaultlibs, nostdlib, pg, static): New
	options.
	* config/avr/avr.h (LIBSTDCXX): Remove initial "-l".
	* config/freebsd.h (MATH_LIBRARY_PROFILE): Remove initial "-l".
	* config/i386/djgpp.h (LIBSTDCXX): Remove initial "-l".
	* config/rs6000/aix.h (LIBSTDCXX_STATIC): Remove initial "-l".
	* config/s390/tpf.h (MATH_LIBRARY, LIBSTDCXX): Remove initial
	"-l".
	* cppspec.c: Include opts.h.
	(lang_specific_driver): Use cl_decoded_option structures.
	* doc/tm.texi.in (MATH_LIBRARY): Update documentation.
	* doc/tm.texi: Regenerate.
	* gcc.c (translate_options): Translate -d to -foutput-class-dir=.
	(driver_handle_option): Allow driver options needing no special
	processing.
	(process_command): Decode options before call to
	lang_specific_driver.  Pass decoded options to
	lang_specific_driver.
	* gcc.h (lang_specific_driver): Update prototype.
	* gccspec.c: Include opts.h.
	(lang_specific_driver): Use cl_decoded_option structures.
	* opts-common.c (option_ok_for_language, generate_option,
	generate_option_input_file): New.
	(decode_cmdline_option): Use option_ok_for_language.
	(decode_cmdline_options_to_array): Use generate_option_input_file.
	(handle_generated_option): Use generate_option.
	* opts.h (generate_option, generate_option_input_file): Declare.

cp:
	* Make-lang.in (g++spec.o): Update dependencies.
	* g++spec.c: Include opts.h
	(MATH_LIBRARY, LIBSTDCXX): Remove initial "-l".
	(lang_specific_driver): Use cl_decoded_option structures.

fortran:
	* Make-lang.in (gfortranspec.o): Update dependencies.
	* gfortranspec.c: Include coretypes.h before gcc.h.  Include
	opts.h.
	(MATH_LIBRARY, FORTRAN_LIBRARY): Remove initial "-l".
	(ADD_ARG_LIBGFORTRAN, Option, lookup_option): Remove.
	(g77_xargc): Make unsigned.
	(g77_xargv): Change to g77_x_decoded_options.
	(g77_newargc): Make unsigned.
	(g77_newargv): Change to g77_new_decoded_options.
	(strings_same, options_same): New.
	(append_arg): Use cl_decoded_option structures.
	(append_option): New.
	(add_arg_libgfortran): New.
	(lang_specific_driver): Use cl_decoded_option structures.

java:
	* Make-lang.in (jvspec.o): Update dependencies.
	* jvspec.c: Include opts.h.
	(PARAM_ARG): Remove.
	(find_spec_file): Do not add leading -specs=.
	(lang_specific_driver): Use cl_decoded_option structures.
	* lang.opt (C, CLASSPATH, D, bootclasspath, classpath, encoding,
	extdirs, fmain=, s-bc-abi): New options.

From-SVN: r163459
 2010-08-22 13:19:01 +01:00
Jack Howarth
2642f659a6 gcc.c (spec_function): Add remove-outfile. 
2010-08-17  Jack Howarth <howarth@bromo.med.uc.edu>

	* gcc.c (spec_function): Add remove-outfile.
	(remove_outfile_spec_function): New function.
	* config/darwin.h (LINK_SPEC): Add removal of
	-ldl, -lm and -lpthread.
	* invoke.texi (replace-outfile): Document.

From-SVN: r163305
 2010-08-17 13:22:28 +00:00
Joseph Myers
c878765bbf options.texi (NoDriverArg): Document. 
* doc/options.texi (NoDriverArg): Document.
	* gcc.c (cpp_unique_options): Generate -MD and -MMD instead of
	-MDX and -MMDX.
	* opt-functions.awk (switch_flags): Handle NoDriverArg.
	* opts-common.c (decode_cmdline_option): Ignore CL_SEPARATE
	marking for CL_NO_DRIVER_ARG options when in the driver.
	* opts.h (CL_NO_DRIVER_ARG): Define.
	(CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_DRIVER, CL_TARGET,
	CL_COMMON): Update values.

c-family:
	* c.opt (MDX): Change back to MD.  Mark NoDriverArg instead of
	RejectDriver.
	(MMDX): Change back to MMD.  Mark NoDriverArg instead of
	RejectDriver.
	* c-opts.c (c_common_handle_option): Use OPT_MD and OPT_MMD
	instead of OPT_MDX and OPT_MMDX.

fortran:
	* lang.opt (MDX): Change back to MD.  Mark NoDriverArg instead of
	RejectDriver.
	(MMDX): Change back to MMD.  Mark NoDriverArg instead of
	RejectDriver.
	* cpp.c (gfc_cpp_handle_option): Use OPT_MD and OPT_MMD instead of
	OPT_MDX and OPT_MMDX.

From-SVN: r163280
 2010-08-16 11:17:07 +01:00
Joseph Myers
603349bf3d common.opt: Add driver options. 
* common.opt: Add driver options.
	(auxbase, auxbase-strip, quiet, version): Mark RejectDriver.
	* doc/options.texi (Driver, RejectDriver): Document.
	* gcc.c (pass_exit_codes, print_search_dirs, print_file_name,
	print_prog_name, print_multi_directory, print_sysroot,
	print_multi_os_directory, print_multi_lib,
	print_sysroot_headers_suffix, report_times, combine_flag,
	use_pipes, wrapper_string): Remove.
	(save_switch, driver_unknown_option_callback,
	driver_wrong_lang_callback, driver_post_handling_callback,
	driver_handle_option): New.
	(spec_lang, last_language_n_infiles): Make file-scope static
	instead of local to process_command.
	(process_command): Use decode_cmdline_options_to_array and
	read_cmdline_option for option processing.  Compute have_c in
	prescan of decoded options.
	* opt-functions.awk (switch_flags): Handle Driver and
	RejectDriver.
	(var_type, var_type_struct): Handle Separate options as generating
	const char * variables.
	* opts-common.c (decode_cmdline_option): Expect CL_COMMON and
	CL_TARGET to be passed by caller if required.
	(decode_cmdline_options_to_array): Update comment.
	* opts.c (complain_wrong_lang): Handle options only valid for the
	driver.
	(decode_options): Update call to decode_cmdline_options_to_array.
	(print_filtered_help): Ignore driver-only options.
	(print_specific_help): Ignore CL_DRIVER.
	(common_handle_option): Don't call print_specific_help for
	CL_DRIVER.
	* opts.h (CL_DRIVER, CL_REJECT_DRIVER): Define.
	(CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_TARGET, CL_COMMON):
	Update values.

c-family:
	* c.opt (MDX, MMDX, lang-asm): Mark RejectDriver.

fortran:
	* lang.opt (MDX, MMDX): Mark RejectDriver.

java:
	* lang.opt (MD_, MMD_, version): Mark RejectDriver.

From-SVN: r163279
 2010-08-16 11:15:15 +01:00
Joseph Myers
644fa7acbd gcc.c (cpp_unique_options): Generate -MDX and -MMDX from -MD and -MMD. 
* gcc.c (cpp_unique_options): Generate -MDX and -MMDX from -MD and
	-MMD.

c-family:
	* c.opt (MD, MMD): Change to MDX and MMDX.
	* c-opts.c (c_common_handle_option): Use OPT_MMD and OPT_MMDX.

fortran:
	* lang.opt (MD, MMD): Change to MDX and MMDX.
	* cpp.c (gfc_cpp_handle_option): Use OPT_MMD and OPT_MMDX.

From-SVN: r163209
 2010-08-12 23:52:49 +01:00
Joseph Myers
1890bccc84 alpha.h (SWITCH_TAKES_ARG): Define. 
* config/alpha/alpha.h (SWITCH_TAKES_ARG): Define.
	* config/alpha/osf5.h (LIB_SPEC): Don't handle -a.
	* config/bfin/bfin.h (ASM_SPEC, LINK_SPEC): Don't pass -G*
	options.
	* config/darwin.h (WORD_SWITCH_TAKES_ARG): Handle -iframework.
	* config/ia64/ia64.h (SWITCH_TAKES_ARG): Define.
	* config/iq2000/iq2000.h (SWITCH_TAKES_ARG): Remove.
	* config/rs6000/sysv4.h (SWITCH_TAKES_ARG): Define using
	DEFAULT_SWITCH_TAKES_ARG.
	* config/rx/rx.opt (-patch=): Remove option.
	* config/rx/rx.c (rx_handle_option): Don't handle OPT_patch_.
	* defaults.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Handle -imultilib.
	* doc/invoke.texi (RX Options): Remove -patch=.
	* gcc.c (cc1_options): Pass -aux-info* instead of -a* options.
	(option_map): Remove --profile-blocks, --quiet and --silent.

ada:
	* gcc-interface/lang-specs.h: Don't pass -a options.

c-family:
	* c.opt (-print-pch-checksum): Remove option.
	* c-opts.c (c_common_handle_option): Don't handle
	OPT_print_pch_checksum.

From-SVN: r162838
 2010-08-03 10:42:46 +01:00
Joseph Myers
eea13eaddc darwin-driver.c (SWITCH_TAKES_ARG, [...]): Remove. 
* config/darwin-driver.c (SWITCH_TAKES_ARG,
	WORD_SWITCH_TAKES_ARG): Remove.
	* cppspec.c (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Remove.
	* defaults.h (DEFAULT_SWITCH_TAKES_ARG,
	DEFAULT_WORD_SWITCH_TAKES_ARG): Move from gcc.h.
	(SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Move default
	definitions from gcc.c.
	* gcc.c (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG): Move to
	defaults.h.
	* gcc.h (DEFAULT_SWITCH_TAKES_ARG, DEFAULT_WORD_SWITCH_TAKES_ARG):
	Move to defaults.h.
	* opts-common.c: Include tm.h.
	(decode_cmdline_option): Use SWITCH_TAKES_ARG and
	WORD_SWITCH_TAKES_ARG to count arguments to unknown options.
	Handle more than one argument.  Set canonical_option_num_elements.
	(decode_cmdline_options_to_array): Set
	canonical_option_num_elements and trailing elements of
	canonical_option.
	* opts.h (struct cl_decoded_option): Allow four elements in
	canonical_option.  Add field canonical_option_num_elements.
	* Makefile.in (opts-common.o): Update dependencies.

ada:
	* gcc-interface/misc.c (gnat_init_options): Ignore erroneous
	options.  Check canonical_option_num_elements on options copied.

fortran:
	* gfortranspec.c (SWITCH_TAKES_ARG, WORD_SWITCH_TAKES_ARG):
	Remove.

From-SVN: r162620
 2010-07-28 10:36:21 +01:00
Richard Guenther
aff08b126b re PR lto/43071 (ICE: SIGSEGV with -fwhopr -fcompare-debug) 
2010-07-23  Richard Guenther  <rguenther@suse.de>

	PR lto/43071
	* gcc.c (LINK_COMMAND_SPEC): Filter out -fcompare-debug
	for -flto and -fwhopr.

	* g++.dg/lto/20100723-1_0.C: New testcase.

From-SVN: r162481
 2010-07-23 19:30:37 +00:00
Joseph Myers
d5d8b1117e collect2.c (main): Remove SWITCHES_NEED_SPACES conditional. 
* collect2.c (main): Remove SWITCHES_NEED_SPACES conditional.
	* doc/tm.texi (SWITCHES_NEED_SPACES): Don't document.
	* gcc.c (SWITCHES_NEED_SPACES, switches_need_spaces): Remove.
	(static_specs): Remove switches_need_spaces.
	(process_command, do_self_spec): Hardcode handling "-o" instead of
	checking switches_need_spaces.
	* system.h (SWITCHES_NEED_SPACES): Poison.

From-SVN: r161436
 2010-06-26 18:04:16 +01:00
Joseph Myers
922e18828a gcc.c (n_switches_alloc, [...]): New. 
* gcc.c (n_switches_alloc, n_infiles_alloc, alloc_infile,
	add_infile, alloc_switch): New.
	(process_command): Remove variable lang_n_infiles.  Process
	options in a single pass.  Use new functions for allocating
	infiles and switches arrays.  Properly skip operands of
	-Xpreprocessor and -Xassembler.

testsuite:
	* gcc.dg/opts-3.c: New test.

From-SVN: r161430
 2010-06-26 14:11:04 +01:00
Joseph Myers
d68411092e pa.h (MODIFY_TARGET_NAME): Remove. 
* config/pa/pa.h (MODIFY_TARGET_NAME): Remove.
	* doc/tm.texi (MODIFY_TARGET_NAME): Don't document.
	* gcc.c (enum add_del, struct modify_target, modify_target):
	Remove.
	(process_command): Remove code conditional on MODIFY_TARGET_NAME.
	* system.h (MODIFY_TARGET_NAME): Poison.

From-SVN: r161372
 2010-06-25 12:12:01 +01:00
Joseph Myers
418f840c1b gcc.c (translate_options): Don't mention +e in comment. 
* gcc.c (translate_options): Don't mention +e in comment.
	(process_command): Don't handle +e specially.

cp:
	* lang-specs.h: Remove +e handling.

objcp:
	* lang-specs.h: Remove +e handling.

From-SVN: r161355
 2010-06-25 01:26:24 +01:00