PR 48400
* dwarf2out.c (dwarf2out_source_line): Disable discriminators
in strict mode before dwarf4.  Re-order tests to early out
before switching sections.

From-SVN: r171852

	* config/h8300/constraints.md: New file.
	* config/h8300/h8300.md: Include it.  Use satisfies_constraint_J,
	satisfies_constraint_L, and satisfies_constraint_N for peephole2s.
	(*tst_extzv_1_n, *tstsi_variable_bit_qi): Use satisfies_constraint_U.
	* config/h8300/predicates.md (bit_operand): Likewise.
	(incdec_operand): Use satisfies_constraint_M and
	satisfies_constraint_O.  Don't use C code block.
	* config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Delete.
	* config/h8300/h8300.c (h8300_reg_class_from_letter): Delete.
	(compute_mov_length): Use satisfies_constraint_G.
	(fix_bit_operand): Use satisfies_constraint_U.
	* config/h8300/h8300.h (REG_CLASS_FROM_LETTER): Delete.
	(CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Delete.
	(CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O): Delete.
	(CONST_OK_FOR_Ppositive, CONST_OK_FOR_Pnegative): Delete.
	(CONST_OK_FOR_P, CONSTRAINT_LEN_FOR_P): Delete.
	(CONST_OK_FOR_CONSTRAINT_P, CONST_OK_FOR_LETTER_P): Delete.
	(CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
	(OK_FOR_Q, OK_FOR_R, OK_FOR_S, OK_FOR_T, OK_FOR_U, OK_FOR_WU): Delete.
	(OK_FOR_W, CONSTRAINT_LEN_FOR_W, OK_FOR_Y2, OK_FOR_Y0): Delete.
	(OK_FOR_Y, CONSTRAINT_LEN_FOR_Y, OK_FOR_Z): Delete.
	(EXTRA_CONSTRAINT_STR, CONSTRAINT_LEN): Delete.
	(EXTRA_MEMORY_CONSTRAINT): Delete.

From-SVN: r171851

	PR c/36299
	* gcc.dg/Waddress.c: New test.

From-SVN: r171850

2011-04-01  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/48352
	* frontend-passes (cfe_register_funcs):  Don't
	register functions if they appear as iterators in DO loops.

2011-04-01  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/48352
	* gfortran.dg/function_optimize_3.f90:  New test.

From-SVN: r171849

	* configure.ac (avr-*-*): Add comment about why libssp is disabled.
	(microblaze*): Don't disable libssp.
	* configure: Regenerate.

From-SVN: r171848

Co-Authored-By: Michael Meissner <meissner@linux.vnet.ibm.com>

From-SVN: r171847

        * dwarf2out.c (dwarf2out_finish): Don't add low_pc and/or
        high_pc attribute if the CU has no associated code. Only output
        DW_AT_entry_pc for CU if not generating strict dwarf and
        dwarf_version < 4.

From-SVN: r171846

	* haifa-sched.c (prune_ready_list): New function, broken out of
	schedule_block.
	(schedule_block): Use it.

From-SVN: r171845

	* g++.dg/lto/20091002-1_0.C: Use "dg-require-effective-target fpic".
	* g++.dg/lto/20091002-2_0.C: Likewise.
	* g++.dg/lto/20090303_0.c: Likewise.
	* g++.dg/lto/20091004-1_0.C: Likewise.
	* g++.dg/lto/20091002-3_0.C: Likewise.
	* g++.dg/lto/20091004-2_0.C: Likewise.
	* g++.dg/lto/20081123_0.C: Likewise.
	* g++.dg/lto/20090313_0.C: Likewise.
	* g++.dg/lto/20081109-1_0.C: Likewise.
	* g++.dg/lto/20081219_0.C: Likewise.
	* g++.dg/lto/20081204-1_0.C: Likewise.
	* g++.dg/lto/20090302_0.C: Likewise.
	* g++.dg/lto/20081119-1_0.C: Likewise.
	* g++.dg/lto/20081118_0.C: Likewise.
	* gcc.dg/lto/20091020-2_0.c: Likewise.
	* gcc.dg/lto/20090210_0.c: Likewise.
	* gcc.dg/lto/20081204-1_0.c: Likewise.
	* gcc.dg/lto/20081224_0.c: Likewise.
	* gcc.dg/lto/20090219_0.c: Likewise.
	* gcc.dg/lto/20091014-1_0.c: Likewise.
	* gcc.dg/lto/20091016-1_0.c: Likewise.
	* gcc.dg/lto/20090206-2_0.c: Likewise.
	* gcc.dg/lto/20090116_0.c: Likewise.
	* gcc.dg/lto/20091013-1_0.c: Likewise.
	* gcc.dg/lto/20091015-1_0.c: Likewise.
	* gcc.dg/lto/20090126-2_0.c: Likewise.

From-SVN: r171844

	* sched-ebb.c (begin_schedule_ready): Remove second argument.
	Split most of the code into...
	(begin_move_insn): ... here.  New function.
	(ebb_sched_info): Add a pointer to it.
	* haifa-sched.c (scheduled_insns): New static variable.
	(sched_extend_ready_list): Allocate it.
	(schedule_block): Use it to record the order of scheduled insns.
	Perform RTL changes to move insns only after all scheduling
	decisions have been made.
	* modulo-sched.c (sms_sched_haifa_sched_info): Add NULL entry for the
	begin_move_insn field.
	* sel-sched-ir.c (sched_sel_haifa_sched_info): Likewise.
	* sched-int.h (struct haifa_sched_info): Remove second argument
	from begin_schedule_ready hook.  Add new member begin_move_insn.
	* sched-rgn.c (begin_schedule_ready): Remove second argument.
	(rgn_const_sched_info): Add NULL entry for the begin_move_insn field.

From-SVN: r171843

From-SVN: r171842

	* haifa-sched.c (queue_insn): New arg REASON.  All callers
	changed.  Print it in debugging output.

From-SVN: r171841

	* ifcvt.c (cond_exec_process_insns): Disallow converting a block
	that contains the prologue.

	* gcc.c-torture/compile/20110401-1.c: New test.

From-SVN: r171840

	* dwarf2out.h (dwarf2out_frame_debug_init): Declare.
	* dwarf2out.c (dwarf2out_frame_debug_init): New function, broken
	out of ...
	(dwarf2out_frame_debug): ... here. Don't handle a NULL argument.
	* final.c (final_start_function): Call the new function rather
	than using a NULL argument for dwarf2out_frame_debug.

From-SVN: r171839

From-SVN: r171837

From-SVN: r171836

From-SVN: r171834

2011-04-01  Kai Tietz  <ktietz@redhat.com>

	* config.gcc (*-*-mingw*): Allow as option the
	posix threading model.
	* config/i386/mingw32.h ( SPEC_PTHREAD1,  SPEC_PTHREAD2):
	New macros defined dependent to TARGET_USE_PTHREAD_BY_DEFAULT
	definition.
	(CPP_SPEC): Add pthread/no-pthread handling.
	(LIB_SPEC): Likewise.
	* config/i386/mingw-w64.h (CPP_SPEC):Likewise.
	(LIB_SPEC): Likewise.
	* config/i386/t-cygming (SHLIB_PTHREAD_CFLAG): New
	flag to pass -pthread option for shared libgcc build.
	(SHLIB_PTHREAD_LDFLAG): New option to pass -lpthread
	for shared libgcc build.
	* config/i386/t-mingw-pthread: New file.
	* config/i386/mingw-pthread.h (TARGET_USE_PTHREAD_BY_DEFAULT):
	New define to enable use of library pthread by default.
	* config/i386/mingw.opt (pthread): New driver option.
	(no-pthread): New driver option.
	* config/i386/cygming.opt: Make sure trailing empty line
	is retained.
	* config/i386/mingw-w64.opt: Likewise.

From-SVN: r171833

2011-04-01  Gary Funck <gary@intrepid.com>

	* c-decl.c (grokdeclarator): Fix formatting.

From-SVN: r171831

	* configure.ac: Remove code setting CONFIG_SHELL, config_shell and
	moveifchange.
	* configure: Regenerate.
	* Makefile.tpl: Use @SHELL@ not @config_shell@.
	* Makefile.in: Regenerate.

From-SVN: r171830

	* configure.ac (*-*-sysv4*): Don't enable libgomp.
	(alpha*-*-*vms*, i[[34567]]86-*-sco3.2v5*, mn10300-*-*,
	powerpc-*-chorusos*, powerpc*-*-eabi*, powerpc*-*-sysv*,
	powerpc*-*-kaos*, s390x-ibm-tpf*, sparc64-*-elf*, v850*-*-*,
	xtensa*-*-elf*, *-*-beos*, *-*-elf*, *-*-netware*, *-*-rtems*,
	*-*-sysv[[45]]*, *-*-vxworks*, *-wrs-windiss): Remove
	md_exec_prefix cases.
	* configure: Regenerate.

From-SVN: r171829

	* configure.ac: Separate cases disabling target-libssp,
	target-libiberty, target-libstdc++-v3 and Fortran from general
	case over targets.
	* configure: Regenerate.

From-SVN: r171827

	* configure.ac (*-*-chorusos): Don't disable libgcj.
	(*-*-freebsd[[12]] | *-*-freebsd[[12]].* | *-*-freebsd*aout*):
	Remove case.
	(*-*-kaos*): Don't disable GCC libraries, zlib or fastjar.
	(arm-*-coff): Don't disable libgcj.
	(arm*-*-linux-gnueabi): Remove useless assignment.
	(arm-*-riscix*): Don't disable libgcj.
	(bfin-*-*): Don't enable target-bsp and target-cygmon depending on
	configuration.
	(c4x-*-* | tic4x-*-*): Don't disable GCC libraries.
	(c54x*-*-*): Remove case.
	(tic54x-*-*): Don't disable GCC or GCC libraries.
	(cris-*-* | crisv32-*-*): Don't handle *-*-aout.  Change *-*-elf
	to *.
	(d10v-*-*): Don't disable GCC libraries.
	(d30v-*-*): Don't disable libgcj.
	(h8500-*-*): Don't disable GCC libraries.
	(i960-*-*): Don't disable libgcj.
	(i[[3456789]]86-*-linux*): Don't handle *-*-*libc1*.
	(i[[3456789]]86-*-sco3.2v5*, i[[3456789]]86-*-sco*,
	i[[3456789]]86-*-sysv4*, i[[3456789]]86-*-beos*): Don't disable
	libgcj.
	(m68k-*-coff*): Remove case.
	(mmix-*-*): Don't disable libgloss on host.
	(mn10200-*-*, mn10300-*-*): Remove cases.
	(powerpc*-*-winnt* | powerpc*-*-pe*, powerpcle-*-solaris*,
	powerpc-*-beos*, m68k-apollo-*, mips*-*-irix5*, mips*-*-bsd*):
	Don't disable libgcj.
	(romp-*-*): Remove case.
	(sparclite-*-*, sparc-*-sunos4*): Don't disable libgcj.
	(sparc-*-solaris2.[[0-6]] | sparc-*-solaris2.[[0-6]].*): Remove
	case.
	(v810-*-*): Don't disable GCC libraries.
	(v850*-*-*, vax-*-vms, xtensa*-*-*): Remove cases.
	(ip2k-*-*): Don't disable GCC libraries.
	* configure: Regenerate.

From-SVN: r171826

gcc/
	* expr.c (emit_block_move_via_movmem): Use n_generator_args
	instead of n_operands.
	(set_storage_via_setmem): Likewise.
	* optabs.c (maybe_gen_insn): Likewise.
	* config/arm/arm.c (arm_init_neon_builtins): Likewise.
	* config/mips/mips.c (mips_expand_builtin_compare_1): Likewise.
	(mips_expand_builtin_direct): Likewise.
	* config/spu/spu.c (expand_builtin_args): Likewise.

From-SVN: r171823

gcc/
	* recog.h (insn_data_d): Add n_generator_args.
	* genoutput.c (data): Likewise.
	(output_insn_data): Print it.
	(max_opno, num_dups): Delete.
	(scan_operands): Just fill in "d->operand[...]".
	(gen_insn, gen_peephole, gen_expand, gen_split): Use get_pattern_stats.

From-SVN: r171822

gcc/
	* gensupport.h (pattern_stats): New structure.
	* gensupport.c (get_pattern_stats_1, get_pattern_stats): New functions.
	* genemit.c (max_opno, max_dupno, max_scratch_opno): Delete.
	(max_operand_1, max_operand_vec): Delete.
	(gen_insn, gen_expand, gen_split): Use get_pattern_stats.

From-SVN: r171821

From Rainer Orth.

From-SVN: r171818

	* emit-rtl.c (emit_pattern_after_setloc): New function.
	(emit_insn_after_setloc, emit_jump_insn_after_setloc): Call it.
	(emit_call_insn_after_setloc, emit_debug_insn_after_setloc): Likewise.
	(emit_pattern_after): New function.
	(emit_insn_after, emit_jump_insn_after): Call it.
	(emit_call_insn_after, emit_debug_insn_after): Likewise.
	(emit_pattern_before_setloc): New function.
	(emit_insn_before_setloc, emit_jump_insn_before_setloc): Call it.
	(emit_call_insn_before_setloc, emit_debug_insn_before_setloc):
	Likewise.
	(emit_pattern_before): New function.
	(emit_insn_before, emit_jump_insn_before): Call it.
	(emit_call_insn_before, emit_debug_insn_before): Likewise.

From-SVN: r171817

        * dwarf2out.c (dw_separate_line_info_ref): Remove.
        (dw_separate_line_info_entry): Remove.
        (enum dw_line_info_opcode): New.
        (dw_line_info_entry): Use it.
        (dw_line_info_table, dw_line_info_table_p): New.
        (DWARF_LINE_OPCODE_BASE): Include dwarf3 opcodes.
        (line_info_table, line_info_label_num): Remove.
        (line_info_table_in_use): Remove.
        (separate_line_info_table): Remove.
        (separate_line_info_table_allocated): Remove.
        (separate_line_info_table_in_use): Remove.
        (LINE_INFO_TABLE_INCREMENT): Remove.
        (line_info_label_num): New.
        (cur_line_info_table): New.
        (text_section_line_info, cold_text_section_line_info): New.
        (separate_line_info): New.
        (SEPARATE_LINE_CODE_LABEL): Remove.
        (print_dwarf_line_table): Remove.
        (debug_dwarf): Don't dump it.
        (output_one_line_info_table): New.
        (output_line_info): Use it.
        (new_line_info_table): New.
        (set_cur_line_info_table): New.
        (dwarf2out_switch_text_section): Use it.
        (dwarf2out_begin_function): Likewise.
        (push_dw_line_info_entry): New.
        (dwarf2out_source_line): Rewrite for new line info tables.
        (dwarf2out_init): Remove dead initailizations.

From-SVN: r171816

From-SVN: r171814

From-SVN: r171813

From-SVN: r171809

exception_ptr.h needs the forward declaration because it's
included from <typeinfo> before <typeinfo> defines std::type_info.

Tested:
  bootstrap + make check-c++ on x86_64.

libstdc++-v3/ChangeLog:

2011-03-31  Jeffrey Yasskin  <jyasskin@google.com>

	* libsupc++/exception_ptr.h: Forward-declare std::type_info.
	* libsupc++/nested_exception.h (__throw_with_nested): Remove a
	redundant default argument from std::__throw_with_nested.

From-SVN: r171807

	PR go/47515
libgo: Add Irix support.

From Rainer Orth.

From-SVN: r171806

From-SVN: r171805

	* opts.h (cl_option): Add comments to fields.  Add bit-fields for
	various flags.
	(CL_SEPARATE_NARGS_SHIFT, CL_SEPARATE_NARGS_MASK,
	CL_SEPARATE_ALIAS, CL_NO_DRIVER_ARG, CL_REJECT_DRIVER, CL_SAVE,
	CL_DISABLED, CL_REPOR, CL_REJECT_NEGATIVE, CL_MISSING_OK,
	CL_UINTEGER, CL_NEGATIVE_ALIAS): Remove.
	(CL_JOINED, CL_SEPARATE, CL_UNDOCUMENTED): Update bit positions.
	* opt-functions.awk (flag_init, switch_bit_fields): New.
	(switch_flags): Don't handle flags moved to bit-fields.  Don't
	generate CL_MISSING_OK or CL_SAVE.
	* optc-gen.awk: Update to generate bit-field output as well as
	flags field.
	* gcc.c (driver_wrong_lang_callback): Use cl_reject_driver
	bit-field instead of CL_REJECT_DRIVER flag.
	* opts-common.c (generate_canonical_option,
	decode_cmdline_option): Use bit-fields instead of CL_* flags.
	* opts.c (maybe_default_option): Use cl_reject_negative bit-field
	instead of CL_REJECT_NEGATIVE flag.
	* toplev.c (print_switch_values): Use cl_report bit-field instead
	of CL_REPORT flag.

From-SVN: r171804

	PR go/48242
libgo: Add timeout for tests.

From-SVN: r171803

We always use SA_RESTART with signals, so
read/write/etc. should never return EINTR.

From-SVN: r171802

	PR c++/48277
	* semantics.c (finish_call_expr): Remove assert.

From-SVN: r171801

tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop a zero minimum index only if it is redundant.

	* tree-ssa-pre.c (create_component_ref_by_pieces_1) <ARRAY_REF>: Drop
	a zero minimum index only if it is redundant.

From-SVN: r171800