path: root/gcc/ChangeLog

2009-01-07  Steven Bosscher  <steven@gcc.gnu.org>

	* gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
	Do not add the DF_NOTE problem.
	* store-motion.c (execute_rtl_store_motion): Likewise.

2010-01-07  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/42157
	* tree-sra.c (compare_access_positions): Stabilize sort if both
	accesses have integer types, return zero immediately if they are the
	same.

2010-01-06  Richard Henderson  <rth@redhat.com>

	PR middle-end/41883
	* haifa-sched.c (add_to_note_list): Merge into ...
	(concat_note_lists): ... here, and ...
	(unlink_other_notes, rm_other_notes): Merge into...
	(remove_notes): ... here.  Create REG_SAVE_NOTEs for
	NOTE_INSN_EPILOGUE_BEG.  

2010-01-06  Richard Guenther  <rguenther@suse.de>

	* ipa-inline.c (cgraph_decide_inlining_incrementally): Do
	not inline regular functions into always-inline functions.

2010-01-06  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.h (enum rx_cpu_type): Add RX200.
	(CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
	used together.
	(OVERRIDE_OPTIONS): Delete.
	(OPTIMIZATION_OPTIONS): Define.
	(ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
	* config/rx/rx.c (rx_handle_option): Issue an error message if
	-mcpu=rx200 and -fpu are used together.
	(rx_set_optimization_options): New function.  Issue an error
	message if an optimization attribute attempts to reset the FPU/
	math optimization pairing.
	* config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
	* config/rx/rx.opt: Set the default to 32-bit doubles.
	* config/rx/t-rx: Add multilibs for -nofpu option.
	* doc/invoke.texi: Update documentation of RX options.

2010-01-06  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (name_to_id): New global.
	(alloc_expression_id): Simplify SSA name handling.
	(lookup_expression_id): Likewise.
	(init_pre): Zero name_to_id.
	(fini_pre): Free it.

2010-01-06  Uros Bizjak  <ubizjak@gmail.com>

	* ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.

2010-01-05  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/42542
	* config/i386/sse.md (smaxv2di3): New.
	(umaxv2di3): Likewise.
	(sminv2di3): Likewise.
	(uminv2di3): Likewise.

2010-01-05  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/42564
	* config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
	* config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
	(legitimize_tls_address): Likewise.
	(sparc_tls_referenced_p): Likewise.
	* config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
	and adjust calls to legitimize_pic_address.
	(legitimate_constant_p) Use sparc_tls_referenced_p.
	(legitimate_pic_operand_p): Likewise.
	(sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
	(sparc_tls_symbol_ref_1): Delete.
	(sparc_tls_referenced_p): Make static, recognize specific patterns.
	(legitimize_tls_address): Make static, handle CONST patterns.
	(legitimize_pic_address): Make static, remove unused parameter and
	adjust recursive calls.
	(sparc_legitimize_address): Make static, use sparc_tls_referenced_p
	and adjust call to legitimize_pic_address.
	(sparc_output_mi_thunk): Likewise.

2010-01-05  Paolo Bonzini  <bonzinI@gnu.rg>
	    H.J. Lu  <hongjiu.lu@intel.com>

	PR target/42542
	* config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
	for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
	operands to make them signed.

	Revert:
	2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/42542
	* config/i386/i386.c (ix86_expand_int_vcond): Don't convert
	GTU to GT for V4SI and V2DI.

	* config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
	(umin<mode>3): Removed.
	(uminv8hi3): New.
	(uminv4si3): Likewise.

2010-01-05  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/42462
	* ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
	current_function_decl to helper functions and macros.

2010-01-05  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR bootstrap/41771
	* flags.h: Don't include real.h.
	(HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
	HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
	* real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
	HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
	* dominance.c: Update copyright.
	* gimple.c (walk_gimple_op): Remove inline.
	* tree-ssa-reassoc.c: Include real.h.
	* Makefile.in (FLAGS_H): Remove $(REAL_H).
	(tree-ssa-reassoc.o): Depend on $(REAL_H).

2010-01-05  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
	register to push into the stack frame when the accumulator has to
	be saved during interrupts.

2010-01-05  Eric Fisher  <joefoxreal@gmail.com>

	* doc/invoke.texi: Remove the documentation about option
	-Wunreachable-code.
	* common.opt (Wunreachable-code):  Preserved for backward
	compatibility.
	* tree-cfg.c: Remove the implementation of -Wunreachable-code.
	* opts.c (common_handle_option): Add OPT_Wunreachable_code to
	the backward compatibility flag section.

2010-01-05  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.

2010-01-05  Jakub Jelinek  <jakub@redhat.com>

	PR other/42611
	* cfgexpand.c (expand_one_var): Diagnose too large variables.

	PR tree-optimization/42508
	* tree-sra.c (convert_callers): Check for recursive call
	by comparing cgraph nodes instead of decls.
	(modify_function): Call ipa_modify_formal_parameters also
	on all same_body aliases.

	* cgraphunit.c (cgraph_materialize_all_clones): Compare
	cgraph nodes when checking for same_body aliases.

2010-01-05  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
	allocation and lookup.
	(get_or_alloc_expr_for_constant): Likewise.
	(phi_translate): Sink allocation.

2010-01-04  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
	a new entry only if needed.
	* tree-ssa-dom.c (lookup_avail_expr): Likewise.
	* tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
	hashtable lookup.
	* tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
	the result array.
	(phi_translate): Handle CONSTANTs early.

2010-01-04  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/42398
	* tree-sra.c (struct access): Removed flag grp_different_types.
	(dump_access): Do not dump the removed flag.
	(sort_and_splice_var_accesses): Do not set the removed flag.
	(sra_modify_expr): Check for type compatibility directly.

2010-01-04  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/42366
	* ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
	edges with variable number of parameters.
	* ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
	flag instead of asserting it.
	(ipa_read_node_info): Read uses_analysis_done flag.

2010-01-04  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
	iterative_hash_* as intended.
	(vn_reference_compute_hash): Likewise.  Simplify hashing
	SSA names.
	(vn_reference_lookup_2): Likewise.
	(vn_nary_op_compute_hash): Likewise.
	(vn_phi_compute_hash): Likewise.
	(expressions_equal_p): Remove strange code.
	* tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
	(pre_expr_hash): Likewise.  Simplify hashing SSA names.
	(bitmap_insert_into_set_1): Take value-id as parameter.
	(add_to_value): Pass it.
	(bitmap_insert_into_set): Likewise.
	(bitmap_value_insert_into_set): Likewise.  Remove redundant check.

2010-01-04  Jakub Jelinek  <jakub@redhat.com>

	PR driver/42442
	* gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
	(do_self_spec): For switches with SWITCH_IGNORE set set also
	SWITCH_IGNORE_PERMANENTLY.
	(check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
	of SWITCH_IGNORE.

2010-01-04  Rafael Avila de Espindola  <espindola@google.com>

	* lto-streamer-out.c (output_unreferenced_globals): Output the full
	tree of an unreferenced global var.

2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/42542
	* config/i386/i386.c (ix86_expand_int_vcond): Don't convert
	GTU to GT for V4SI and V2DI.

	* config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
	(umin<mode>3): Removed.
	(uminv8hi3): New.
	(uminv4si3): Likewise.

2010-01-04  H.J. Lu  <hongjiu.lu@intel.com>

	PR lto/42581
	* collect2.c (main): Turn on trace in collect2 if -v is passed
	to gcc with LTO.

2010-01-03  Jerry Quinn  <jlquinn@optonline.net>

	* doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR.  Update
	description of expression operand.

2010-01-03  Andrew Jenner  <andrew@codesourcery.com>

	* configure.ac: Add install-html to target_list for Make-hooks.
	* configure: Regenerate.
	* fortran/Make-lang.in (F95_HTMLFILES): New.
	(fortran.html): Use it.
	(fortran.install-html): New.
	* Makefile.in (install-html): Add lang.install-html.
	* java/Make-lang.in (JAVA_HTMLFILES): New.
	(java.html): Use it.
	(java.install-html): New.
	* objc/Make-lang.in (objc.install-html): New.
	* objcp/Make-lang.in (obj-c++.install-html): New.
	* cp/Make-lang.in (c++.install-html): New.
	* ada/gcc-interface/Make-lang.in (ada.install-html): New.
	* lto/Make-lang.in (lto.install-html): New.

2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR lto/42520
	* gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.

2009-01-03  Steven Bosscher  <steven@gcc.gnu.org>

	PR rtl-optimization/41862
	* store-motion.c (store_killed_in_insn, compute_store_table,
	remove_reachable_equiv_notes, replace_store_insn,
	build_store_vectors): Ignore all DEBUG_INSNs.

2010-01-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR lto/41564
	* common.opt: Add dumpdir.

	* gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
	isn't specified.
	(option_map): Add --dumpdir.

	* gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.

	* lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.

	* opts.c (decode_options): Try dump_dir_name first if
	dump_base_name isn't an absolute path.
	(common_handle_option): Handle OPT_dumpdir.

	* toplev.c (dump_dir_name): New.
	(print_switch_values): Also ignore -dumpdir.

	* toplev.h (dump_dir_name): New.

2010-01-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42589
	* tree-ssa-math-opts.c (execute_optimize_bswap): Allow
	double-word expansion of bswap32.

2010-01-03  Steven Bosscher  <steven@gcc.gnu.org>

	* postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
	with BLOCK_FOR_INSN.
	* auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
	* ifcvt.c (noce_get_alt_condition, noce_try_abs,
	noce_process_if_block): Likewise.
	* gcse.c (compute_local_properties, insert_expr_in_table,
	insert_set_in_table, canon_list_insert, find_avail_set,
	pre_insert_copy_insn): Likewise.

	* basic-block.h (BLOCK_NUM): Move from here...
	* sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.

2010-01-03  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/42438
	* tree-ssa-pre.c (struct bb_bitmap_sets): Add
	contains_may_not_return_call flag.
	(BB_MAY_NOTRETURN): New.
	(valid_in_sets): Trapping nary operations are not valid
	in blocks that may not return.
	(insert_into_preds_of_block): Remove check for trapping
	expressions.
	(compute_avail): Compute also BB_MAY_NOTRETURN.

2010-01-03  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/invoke.texi: Add 2010 to copyright years.

2010-01-03  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sparc.c: Fix formatting nits.

2010-01-02  Gerald Pfeifer  <gerald@pfeifer.com>
	    Alexander Monakov  <amonakov@ispras.ru>

	* doc/invoke.texi (Optimize Options): Reword introduction a bit.

2010-01-02  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42577
	* tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
	(simplify_switch_using_ranges): Mark to be removed edges
	as non-executable.

2010-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.

	* collect2.c (scan_libraries): Add missing argument in call to
	scan_prog_file.

2010-01-02  Uros Bizjak  <ubizjak@gmail.com>

	PR target/42448
	* config/alpha/predicates.md (aligned_memory_operand): Return false
	for CQImode.
	(unaligned_memory_operand): Return true for CQImode.
	* config/alpha/alpha.c (get_aligned_mem): Assert that location
	doesn not cross aligned SImode word boundary.

2010-01-02  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
	Remove.
	* config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
	avr_change_section, avr_reg_class_from_letter) : Remove declaration.

2010-01-02  Richard Guenther  <rguenther@suse.de>

	PR lto/41597
	* toplev.c (compile_file): Emit LTO marker properly.  Change
	it to __gnu_lto_v1.
	* collect2.c (scan_prog_file): Adjust for changed LTO marker.

2010-01-01  Richard Guenther  <rguenther@suse.de>

	PR debug/42455
	* tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.

2010-01-01  Richard Guenther  <rguenther@suse.de>

	PR c/42570
	* c-decl.c (grokdeclarator): For zero-size arrays force
	structural equality checks as layout_type does.

2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>

	* builtins.c: Update copyright to 2010.

2010-01-01  H.J. Lu  <hongjiu.lu@intel.com>

	PR lto/42531
	* lto-streamer-out.c (produce_asm): Revert the last change.
	(copy_function): Likewise.

	* lto-streamer.c (lto_get_section_name): Skip any leading
	asterisk in name.

2010-01-01  Richard Guenther  <rguenther@suse.de>

	PR middle-end/42559
	* builtins.c (get_object_alignment): Do not use DECL_ALIGN
	for LABEL_DECLs.


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