+2011-03-31 Mark Wielaard <mjw@redhat.com>
+
+ * 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.
+
+2011-04-01 Bernd Schmidt <bernds@codesourcery.com>
+
+ * 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.
+
+ * ifcvt.c (cond_exec_process_insns): Disallow converting a block
+ that contains the prologue.
+
+ * haifa-sched.c (queue_insn): New arg REASON. All callers
+ changed. Print it in debugging output.
+
+ * sched-ebb.c (schedule_ebbs): Honor the BB_DISABLE_SCHEDULE flag.
+
+ * 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.
+
+ * haifa-sched.c (prune_ready_list): New function, broken out of
+ schedule_block.
+ (schedule_block): Use it.
+
+2011-04-01 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
+
+ * config/spu/t-spu-elf (dp-bit.c): Use > instead of >>.
+
+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.
+
+2011-04-01 Gary Funck <gary@intrepid.com>
+
+ * c-decl.c (grokdeclarator): Fix formatting.
+
+2011-04-01 Richard Sandiford <richard.sandiford@linaro.org>
+
+ * 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.
+
+2011-04-01 Richard Sandiford <richard.sandiford@linaro.org>
+
+ * 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.
+
+2011-04-01 Richard Sandiford <richard.sandiford@linaro.org>
+
+ * 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.
+
+2011-03-31 Nathan Froyd <froydnj@codesourcery.com>
+
+ * 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.
+
+2011-03-31 Richard Henderson <rth@redhat.com>
+
+ * 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.
+
+2011-03-31 Joseph Myers <joseph@codesourcery.com>
+
+ * 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.
+
+2011-03-31 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa-pre.c (create_component_ref_by_pieces_1) <ARRAY_REF>: Drop
+ a zero minimum index only if it is redundant.
+
+2011-03-31 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/48381
+ * ira-color.c (assign_hard_reg): Use hard reg set intersection
+ instead of ira_class_hard_reg_index for calculating conflicting
+ hard registers.
+
2011-03-31 Steven Bosscher <steven@gcc.gnu.org>
* cprop.c: Clean up hash table building.
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