+2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config.build (alpha*-dec-osf4*): Remove.
+ * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
+ of obsolete configurations.
+ (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
+ support.
+ * config/alpha/t-osf4: Renamed to ...
+ * config/alpha/t-osf5: ... this.
+ * config/alpha/osf.h: Renamed to ...
+ * config/alpha/osf5.h: ... this.
+ Merged old osf5.h contents.
+ Update comments.
+ (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
+ (EXTRA_SPECS): Removed.
+ * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
+ reflect removal of Tru64 UNIX V4.0/V5.0 support.
+ Document that.
+
+2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * doc/contrib.texi (Contributors, Rainer Orth): Update.
+
+2010-04-12 Kai Tietz <kai.tietz@onevision.com>
+
+ PR/43702
+ * config/i386/i386.c (x86_this_parameter): Handle aggregate for
+ __thiscall convention.
+
+2010-04-12 Steve Ellcey <sje@cup.hp.com>
+
+ * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
+ orig_base.
+ * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
+
+2010-04-12 Steve Ellcey <sje@cup.hp.com>
+
+ * function.c (assign_parms_initialize_all): Add unused attribute
+ to fntype.
+
+2010-04-12 Richard Guenther <rguenther@suse.de>
+
+ * gsstruct.def (GSS_CALL): New.
+ * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
+ * gimple.h: Include tree-ssa-alias.h.
+ (struct gimple_statement_call): New.
+ (union gimple_statement_struct_d): Add gimple_call member.
+ (gimple_call_reset_alias_info): Declare.
+ (gimple_call_use_set): New function.
+ (gimple_call_clobber_set): Likewise.
+ * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
+ * gimple.c (gimple_call_reset_alias_info): New function.
+ (gimple_build_call_1): Call it.
+ * lto-streamer-in.c (input_gimple_stmt): Likewise.
+ * tree-inline.c (remap_gimple_stmt): Likewise.
+ (expand_call_inline): Remove callused handling.
+ * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
+ * tree-dfa.c (dump_variable): Likewise.
+ * tree-parloops.c (parallelize_loops): Likewise.
+ * tree-ssa.c (init_tree_ssa): Likewise.
+ (delete_tree_ssa): Likewise.
+ * tree-flow-inline.h (is_call_used): Remove.
+ * tree-flow.h (struct gimple_df): Remove callused member.
+ * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
+ * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
+ (ref_maybe_used_by_call_p_1): Simplify.
+ (call_may_clobber_ref_p_1): Likewise.
+ * tree-ssa-structalias.c (compute_points_to_sets): Set
+ the call stmt used and clobbered sets.
+ * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
+ (find_tail_calls): Verify the tail call.
+
+2010-04-12 Richard Guenther <rguenther@suse.de>
+
+ * ipa.c (cgraph_postorder): Adjust postorder to guarantee
+ single-iteration always-inline inlining.
+ * ipa-inline.c (cgraph_mark_inline): Do not return anything.
+ (cgraph_decide_inlining): Do not handle always-inline
+ specially.
+ (try_inline): Remove always-inline cycle detection special case.
+ Do not recurse on always-inlines.
+ (cgraph_early_inlining): Do not iterate if not optimizing.
+ (cgraph_gate_early_inlining): remove.
+ (pass_early_inline): Run unconditionally.
+ (gate_cgraph_decide_inlining): New function.
+ (pass_ipa_inline): Use it. Do not run the IPA inliner if
+ not inlining or optimizing.
+ (cgraph_decide_inlining_of_small_functions): Also consider
+ always-inline functions.
+ (cgraph_default_inline_p): Return true for nodes which should
+ disregard inline limits.
+ (estimate_function_body_sizes): Assume zero size and time for
+ nodes which are marked as disregarding inline limits.
+ (cgraph_decide_recursive_inlining): Do not perform recursive
+ inlining on always-inline nodes.
+
+2010-04-12 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/43699
+ * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
+ for exprs satisfying handled_component_p.
+
+2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
+
+ * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
+ non-constant aggregate elements.
+
+ * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
+ is a real initialization.
+
+2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
+
+ PR c/36774
+ * c-decl.c (start_function): Move forward check for nested function.
+
+2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
+ * config/sh/sh.c: Include reload.h.
+ (sh_legitimize_reload_address): New.
+ * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
+ sh_legitimize_reload_address.
+
+2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
+
+ * config/sh/sh.md (*movqi_pop): New insn pattern.
+ * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
+
+2010-04-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (any_shiftrt): New code iterator.
+ (shiftrt_insn): New code attribute.
+ (shiftrt): Ditto.
+ (<shiftrt_insn><mode>3): Macroize expander from ashr<mode>3 and
+ lshr<mode>3 using any_shiftrt code iterator.
+ (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
+ *ashr<mode>3_doubleword and *lshr<mode>3_doubleword using
+ any_shiftrt code iterator.
+ (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
+ pattern from corresponding peephole2 patterns.
+ (*<shiftrt_insn><mode>3_1): Macroize insn from *ashr<mode>3_1
+ and *lshr<mode>3_1 using any_shiftrt code iterator.
+ (*<shiftrt_insn>si3_1_zext): Ditto from *ashrsi3_1_zext
+ and *lshrsi3_1_zext.
+ (*<shiftrt_insn>qi3_1_slp): Ditto from *ashrqi3_1_slp
+ and *lshrqi3_1_slp.
+ (*<shiftrt_insn><mode>3_cmp): Ditto from *ashr<mode>3_cmp
+ and *lshr<mode>3_cmp.
+ (*<shiftrt_insn><mode>3_cmp_zext): Ditto from *ashr<mode>3_cmp_zext
+ and *lshr<mode>3_cmp_zext.
+ (*<shiftrt_insn><mode>3_cconly): Ditto from *ashr<mode>3_cconly
+ and *lshr<mode>3_cconly.
+
+2010-04-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
+ scratch register.
+ (*lshr<mode>3_cconly): Ditto.
+
+2010-04-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (lshr<mode>3): Macroize expander from
+ lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
+ (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
+ pattern from *lshr{di,ti}3_1 and corresponding splitters using
+ DWI mode iterator.
+ (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
+ from corresponding peephole2 patterns.
+ (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
+ *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
+ and *lshrdi3_cmp_rex64 using SWI mode iterator.
+ (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
+ (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
+ (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
+ *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
+ and *lshrdi3_cmp_rex64 using SWI mode iterator.
+ (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
+ (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
+ *lshrdi3_one_bit_cconly_rex64. Macroize insn from
+ *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
+ SWI mode iterator.
+
+2010-04-10 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (ashr<mode>3): Macroize expander from
+ ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
+ (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
+ pattern from *ashr{di,ti}3_1 and corresponding splitters using
+ DWI mode iterator.
+ (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
+ from corresponding peephole2 patterns.
+ (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
+ (ashrsi3_cvt): Rename from ashrsi3_31.
+ (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
+ (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
+ and x86_64_shift_adj_3 using SWI48 mode iterator.
+ (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
+ *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
+ and *ashrdi3_cmp_rex64 using SWI mode iterator.
+ (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
+ (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
+ (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
+ *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
+ and *ashrdi3_cmp_rex64 using SWI mode iterator.
+ (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
+ (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
+ *ashrdi3_one_bit_cconly_rex64. Macroize insn from
+ *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
+ SWI mode iterator.
+ (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
+ * config/i386/i386.c (ix86_split_ashr): Update for renamed
+ x86_shift<mode>_adj_3 expanders.
+
+2010-04-10 Wei Guozhi <carrot@google.com>
+
+ PR target/42601
+ * config/arm/arm.c (arm_pic_static_addr): New function.
+ (legitimize_pic_address): Call arm_pic_static_addr when it detects
+ a static symbol.
+ (arm_output_addr_const_extra): Output expression for new pattern.
+ * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
+
+2010-04-10 Bernd Schmidt <bernd.schmidt@codesourcery.com>
+
+ * ira-costs.c (record_reg_classes): Ignore alternatives that are
+ not enabled.
+
+ * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
+ * web.c: Include "insn-config.h" and "recog.h".
+ (union_match_dups): New function.
+ (web_main): Call it.
+ (union_defs): Don't try to recognize match_dups.
+
+ * reload1.c (eliminate_regs_in_insn): Don't restore an operand
+ if doing so would replace the entire pattern.
+
+2010-04-09 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/43707
+ PR target/43709
+ * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
+ and splitter pattern. Change splitter operand 1 predicate to
+ nonmemory_operand.
+
+2010-04-09 Martin Jambor <mjambor@suse.cz>
+
+ * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
+ lattices are addresses of CONST_DECLs with the same initial value.
+ (ipcp_print_all_lattices): Print values of CONST_DECLs.
+ * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
+
+2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
+ Bernd Schmidt <bernd.schmidt@codesourcery.com>
+
+ * loop-invariant.c (replace_uses): New static function.
+ (move_invariant_reg): Use it to ensure we can replace the uses.
+
+2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
+
+ * config/picochip/picochip.c (picochip_rtx_costs): Use correct
+ function template.
+ (picochip_override_options): Enable section anchors only above -O1.
+ (picochip_reorg): Fixed a couple of build warnings.
+
+2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * configure.ac (plugin -rdynamic test): Log result.
+ * configure: Regenerate.
+ * config/sol2.h (LINK_SPEC): Handle -rdynamic.
+ (RDYNAMIC_SPEC): Define.
+ * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
+
+2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * configure.ac: Determine Sun ld version numbers.
+ (comdat_group): Restrict GNU ld version checks to gld.
+ (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
+ (enable_comdat): Support --enable-comdat.
+ * configure: Regenerate.
+ * doc/install.texi (Configuration): Document --enable-comdat.
+
+2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
+ * config/sol2-gld.h: ... here.
+ * config.gcc (sparc*-*-solaris2*): Reflect this.
+ (i[34567]86-*-solaris2*): Use it.
+
+2010-04-09 Steve Ellcey <sje@cup.hp.com>
+
+ * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
+ setup_clocks_p.
+ (final_emit_insn_group_barriers): Remove unused variable prev_insn.
+
+2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR 42965
+ * diagnostic.c (diagnostic_initialize): Initialize
+ some_warnings_are_errors.
+ (diagnostic_finish): New.
+ (diagnostic_action_after_output): Call it before exiting.
+ (diagnostic_report_diagnostic): Do not print message here. Set
+ some_warnings_are_errors.
+ * diagnostic.h (diagnostic_context): Delete
+ issue_warnings_are_errors_message. Add some_warnings_are_errors.
+ (diagnostic_finish): Declare.
+ * toplev.c (toplev_main): Call it before exit.
+
+2010-04-09 Jason Merrill <jason@redhat.com>
+
+ PR c++/42623
+ * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
+ for incomplete type.
+
+ PR c++/41788
+ * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
+ based on a warning flag.
+
+2010-04-09 Richard Guenther <rguenther@suse.de>
+
+ * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
+
+2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
+
+ PR bootstrap/43684
+ * varasm.c (default_assemble_visibility): Wrap vars that are
+ set, but unused, by targets without GAS.
+ * config/rs6000/rs6000.c: (paired_emit_vector_compare):
+ Remove set, but unused, vars.
+ (rs6000_legitimize_tls_address): Likewise.
+ (altivec_expand_dst_builtin): Likewise.
+ * config/darwin.c (machopic_classify_symbol): Likewise.
+ (machopic_indirection_name): Likewise.
+
+2010-04-09 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md (DWI): New mode iterator.
+ (S): New mode attribute.
+ (shift_operand): Ditto.
+ (shift_immediate_operand): Ditto.
+ (ashl_input_operand): Ditto.
+ (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
+ using SDWIM mode iterator.
+ (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
+ pattern from *ashl{di,ti}3_1 and corresponding splitters using
+ DWI mode iterator.
+ (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
+ from corresponding peephole2 patterns.
+ (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
+ and x86_64_shift_adj_1 using SWI48 mode iterator.
+ (x86_shift<mode>_adj_2): Ditto.
+ (*ashldi3_1_rex64): Split TYPE_LEA pattern.
+ (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
+ using SWI48 mode iterator.
+ (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
+ *ashldi3_cmp_rex64 using SWI mode iterator.
+ (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
+ *ashldi3_cconly_rex64 using SWI mode iterator.
+ * config/i386/i386.c (ix86_split_ashl): Update for renamed
+ x86_shift<mode>_adj_{1,2}.
+ (ix86_split_ashr): Ditto.
+ (ix86_split_lshr): Ditto.
+
+2010-04-09 Richard Guenther <rguenther@suse.de>
+
+ * target.h (builtin_conversion): Pass in input and output types.
+ * targhooks.c (default_builtin_vectorized_conversion): Adjust.
+ * targhooks.h (default_builtin_vectorized_conversion): Likewise.
+ * tree-vect-stmts.c (vectorizable_conversion): Adjust.
+ * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
+
+ * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
+ Handle AVX modes.
+ * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
+
+2010-04-09 Richard Guenther <rguenther@suse.de>
+
+ PR target/43152
+ * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
+
+2010-04-09 Richard Guenther <rguenther@suse.de>
+
+ * tree-vectorizer.h (struct _stmt_vec_info): Document
+ that vectype is the type of the LHS.
+ (supportable_widening_operation, supportable_narrowing_operation):
+ Get both input and output vector types as arguments.
+ (vect_is_simple_use_1): Declare.
+ (get_same_sized_vectype): Likewise.
+ * tree-vect-loop.c (vect_determine_vectorization_factor):
+ Set STMT_VINFO_VECTYPE to the vector type of the def.
+ (vectorizable_reduction): Adjust.
+ * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
+ Adjust. Specify the output vector type.
+ (vect_pattern_recog_1): Adjust.
+ * tree-vect-stmts.c (get_same_sized_vectype): New function.
+ (vectorizable_call): Adjust.
+ (vectorizable_conversion): Likewise.
+ (vectorizable_operation): Likewise.
+ (vectorizable_type_demotion): Likewise.
+ (vectorizable_type_promotion): Likewise.
+ (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
+ the def.
+ (vect_is_simple_use_1): New function.
+ (supportable_widening_operation): Get both input and output
+ vector types.
+ (supportable_narrowing_operation): Likewise.
+ * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
+
+2010-04-09 Kai Tietz <kai.tietz@onevision.com>
+
+ * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
+ __thiscall and _thiscall as predefined macros.
+ * config/i386/i386.c (ix86_handle_cconv_attribute): Add
+ thiscall attribute handling.
+ (ix86_comp_type_attributes): Likewise.
+ (ix86_function_regparm): Likewise.
+ (ix86_return_pops_args): Likewise.
+ (init_cumulative_args): Likewise.
+ (find_drap_reg): Likewise.
+ (ix86_static_chain): Likewise.
+ (x86_this_parameter): Likewise.
+ (x86_output_mi_thunk): Likewise.
+ (ix86_attribute_table): Add description for thiscall attribute.
+ * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
+ * doc/extend.texi: Add documentation for thiscall.
+
+2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR c++/28584
+ * c.opt (Wint-to-pointer-cast): Available in C++.
+ * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
+
+2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
+ * calls.c (expand_call): Pass the function type to aggregate_value_p.
+ * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
+ the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
+ function type instead. Reorder and simplify checks.
+
+ * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
+
+2010-04-08 Jing Yu <jingyu@google.com>
+ Zdenek Dvorak <ook@ucw.cz>
+
+ PR tree-optimization/42720
+ * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
+ loop unswitch conditions here from ...
+ (tree_unswitch_single_loop): ... here.
+
+2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-if-conv.c: Fix comments and simplify logic.
+
+2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
+ (tree_if_conversion): Same. Update call to if_convertible_loop_p.
+ (main_tree_if_conversion): Update call to tree_if_conversion.
+
+2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
+
+ PR 42485
+ * doc/invoke.texi (-b,-V): Delete.
+ * doc/tm.texi: Do not mention -b.
+ * gcc.c (display_help): Delete -b and -V.
+ (process_command): Delete -b and -V.
+ * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
+
+2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
+ Wolfgang Gellerich <gellerich@de.ibm.com>
+
+ Implement target hook for loop unrolling
+ * target.h (loop_unroll_adjust): Add a new target hook function.
+ * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
+ * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
+ * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
+ (s390_loop_unroll_adjust): Implement the new target hook for s390.
+ * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
+ target hook.
+ (decide_unroll_stupid): Likewise.
+
+2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ PR target/43643
+ * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
+
+2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
+ (Specific, *-*-solaris2*): Likewise.
+ Don't prefer Sun as over GNU as.
+
+2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
+
+ * config/s390/s390.c (override_options): Adjust the z10
+ defaults for max-unroll-times, max-completely-peeled-insns
+ and max-completely-peel-times.
+
+2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.c (s390_expand_movmem): Issue prefetch
+ instructions for z10.
+ (s390_expand_setmem): Likewise.
+ (s390_expand_cmpmem): Likewise.
+
+2010-04-08 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/43679
+ * tree-ssa-pre.c (eliminate): Only propagate copies.
+
+2010-04-08 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/43681
+ * expr.c (block_move_libcall_safe_for_call_parm): Avoid
+ set but not used variable warning.
+
+2010-04-08 Wei Guozhi <carrot@google.com>
+
+ PR target/41653
+ * config/arm/arm.c (thumb1_size_rtx_costs): New function.
+ (arm_size_rtx_costs): Call the new function when optimized for size.
+
+2010-04-08 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/43670
+ * cfgexpand.c (expand_debug_expr): If for non-NULL offset
+ op0 is not a MEM, just return NULL instead of assertion
+ failure.
+ (discover_nonconstant_array_refs): Don't walk debug stmts.
+
+2010-04-08 Doug Kwan <dougkwan@google.com>
+
+ * configure.ac: Recognize gold and do not use its version number
+ to test ld features.
+ * configure: Regenerate.
+
+2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
+
+ PR middle-end/40815
+ * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
+ (negate_value): Move code to push elements to broken_up_substracts ...
+ (eliminate_plus_minus_pair): ... here. Push operands that have no
+ negative pair to plus_negates.
+ (repropagate_negates, init_reassoc, fini_reassoc): Update.
+
+2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * doc/install.texi (Configuration): Move description of
+ --enable-lto, --with-libelf*, --enable-gold from Java section to
+ general section.
+
+ * doc/generic.texi (Working with declarations)
+ (Function Properties, C and C++ Trees): Fix typos.
+ * doc/sourcebuild.texi (Top Level): Likewise.
+
+2010-04-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/18624
+ * tree.h (DECL_READ_P): Define.
+ (struct tree_decl_common): Add decl_read_flag.
+ * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
+ a set but not used warning.
+ (merge_decls): Merge DECL_READ_P flag.
+ (finish_decl, build_compound_literal): Set DECL_READ_P flag.
+ (finish_function): Issue -Wunused-but-set-parameter diagnostics.
+ * c-common.c (handle_used_attribute, handle_unused_attribute):
+ Likewise.
+ * c-tree.h (default_function_array_read_conversion, mark_exp_read):
+ New prototypes.
+ * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
+ New functions.
+ (default_conversion, c_process_expr_stmt): Call mark_exp_read.
+ * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
+ c_parser_binary_expression, c_parser_cast_expression,
+ c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
+ Call default_function_array_read_conversion instead of
+ default_function_array_conversion where needed.
+ (c_parser_unary_expression, c_parser_conditional_expression,
+ c_parser_postfix_expression_after_primary, c_parser_initelt):
+ Likewise. Call mark_exp_read where needed.
+ (c_parser_statement_after_labels, c_parser_asm_operands,
+ c_parser_typeof_specifier, c_parser_sizeof_expression,
+ c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
+ where needed.
+ * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
+ New.
+ * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
+ (warn_unused_but_set_parameter): Default to warn_unused
+ && extra_warnings.
+ * doc/invoke.texi: Document -Wunused-but-set-variable and
+ -Wunused-but-set-parameter.
+
+ * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
+ used count variable.
+ * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
+ when operandN variables aren't used in the body of the expander
+ or splitter.
+ * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
+ FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
+ * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
+ * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
+ FOR_EACH_IMM_USE_ON_STMT): Likewise.
+ * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
+ * tree.c (PROCESS_ARG): Likewise.
+
+2010-04-07 Simon Baldwin <simonb@google.com>
+
+ * diagnostic.h (diagnostic_override_option_index): New macro to
+ set a diagnostic's option_index.
+ * c-tree.h (c_cpp_error): Add warning reason argument.
+ * opts.c (_warning_as_error_callback): New.
+ (register_warning_as_error_callback): Store callback for
+ warnings enabled via enable_warning_as_error.
+ (enable_warning_as_error): Call callback, minor code tidy.
+ * opts.h (register_warning_as_error_callback): Declare.
+ * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
+ response to -Werror=.
+ (c_common_init_options): Register warning_as_error_callback in opts.c.
+ * common.opt: Add -Wno-cpp option.
+ * c-common.c (struct reason_option_codes_t): Map cpp warning
+ reason codes to gcc option indexes.
+ * (c_option_controlling_cpp_error): New function, lookup the gcc
+ option index for a cpp warning reason code.
+ * (c_cpp_error): Add warning reason argument, call
+ c_option_controlling_cpp_error for diagnostic_override_option_index.
+ * doc/invoke.texi: Document -Wno-cpp.
+
+2010-04-07 Richard Guenther <rguenther@suse.de>
+
+ * ipa-reference.c (mark_load): Use get_base_address.
+ (mark_store): Likewise.
+
+ * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
+ inserting GIMPLE_NOPs into the IL.
+ * tree-ssa-structalias.c (get_constraint_for_component_ref):
+ Explicitly strip handled components and indirect references.
+
+ * fold-const.c (fold_unary_loc): Do not strip qualifiers when
+ folding address expressions.
+ * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
+ * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
+ operand_equal_p to compare decls.
+ (ptr_deref_may_alias_decl_p): Likewise.
+ * tree-ssa-operands.c (get_asm_expr_operands): Simplify
+ * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
+ Handle reversed comparison ops.
+ * tree-sra.c (asm_visit_addr): Use get_base_address.
+ * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
+ * ipa-reference.c (mark_address): Use get_base_address.
+
+2010-04-07 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-forwprop.c (forward_propagate_addr_expr):
+ Propagate constants everywhere.
+
+2010-04-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/43516
+ * tree.c (MAX_INT_CACHED_PREC): Define.
+ (nonstandard_integer_type_cache): New array.
+ (build_nonstandard_integer_type): Cache results for precision
+ <= MAX_INT_CACHED_PREC.
+
+2010-04-07 Richard Guenther <rguenther@suse.de>
+
+ * doc/invoke.texi (-fargument-alias, -fargument-noalias,
+ -fargument-noalias-global, -fargument-noalias-anything): Remove.
+ * common.opt: Likewise.
+ * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
+ * alias.c (base_alias_check): Remove flag_argument_noalias handling.
+ (nonoverlapping_memrefs_p): Likewise.
+ * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
+ * opts.c (common_handle_option): Handle OPT_fargument_alias,
+ OPT_fargument_noalias, OPT_fargument_noalias_anything and
+ OPT_fargument_noalias_global for backward compatibility.
+
+2010-04-07 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/43270
+ * tree-vrp.c (check_array_ref): Fix flexible array member detection.
+ * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
+ * tree-ssa-pre.c (phi_translate_1): Adjust.
+ (fully_constant_expression): Split out vn_reference handling to ...
+ * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
+ Fold reads from constant strings.
+ (vn_reference_lookup): Handle fully constant references.
+ (vn_reference_lookup_pieces): Likewise.
+ * Makefile.in (expmed.o-warn): Add -Wno-error.
+
+2010-04-07 Martin Jambor <mjambor@suse.cz>
+
+ * tree-sra.c (find_param_candidates): Allow scalar va_list types.
+
+2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
+
+ PR driver/41594
+ * gcc.c: Add -static-libstdc++ to list of recognized options.
+
+2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
+
+ * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
+
+2010-04-07 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/42617
+ * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
+ bases build simple mem attributes to retain points-to information.
+
+2010-04-07 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/42617
+ * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
+ preserve points-to related information.
+
+2010-04-07 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/42617
+ * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
+ discard plain indirect references.
+ * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
+ * tree.c (tree_nop_conversion): Likewise.
+
+2010-04-07 Dodji Seketeli <dodji@redhat.com>
+
+ PR debug/43628
+ * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
+
+2010-04-06 Kai Tietz <kai.tietz@onevision.com>
+
+ * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
+ calling convention attributes on METHOD_TYPEs for w64 ABI, too.
+
+2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-if-conv.c: Fix indentation and comments.
+
+2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-if-conv.c: Sort static functions in topological order.
+
+2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
+
+ * tree-if-conv.c: Fix indentation and comments.
+
+2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/43519
+ * graphite-clast-to-gimple.c (max_signed_precision_type): Use
+ lang_hooks.types.type_for_size instead of
+ build_nonstandard_integer_type.
+ When converting an unsigned type to signed, double its precision.
+ (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
+ (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
+ (graphite_create_new_loop_guard): When ub + 1 wraps around,
+ use lb <= ub.
+
+2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/43519
+ * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
+ POINTER_PLUS_EXPR for pointer types.
+
+2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/43519
+ * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
+ * graphite-clast-to-gimple.c: Include langhooks.h.
+ (max_signed_precision_type): New.
+ (max_precision_type): Takes two types as arguments.
+ (precision_for_value): New.
+ (precision_for_interval): New.
+ (gcc_type_for_interval): New.
+ (gcc_type_for_value): New.
+ (gcc_type_for_clast_term): New.
+ (gcc_type_for_clast_red): New.
+ (gcc_type_for_clast_bin): New.
+ (gcc_type_for_clast_expr): Split up into several functions.
+ (gcc_type_for_clast_eq): Rewritten.
+ (compute_bounds_for_level): New.
+ (compute_type_for_level_1): New.
+ (compute_type_for_level): New.
+ (gcc_type_for_cloog_iv): Removed.
+ (gcc_type_for_iv_of_clast_loop): Rewritten.
+ (graphite_create_new_loop): Compute the lower and upper bound types
+ with gcc_type_for_clast_expr.
+ (graphite_create_new_loop_guard): Same.
+ (find_cloog_iv_in_expr): Removed.
+ (compute_cloog_iv_types_1): Removed.
+ (compute_cloog_iv_types): Removed.
+ (gloog): Do not call compute_cloog_iv_types.
+ * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
+ GBB_CLOOG_IV_TYPES.
+ (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
+ * sese.h (struct gimple_bb): Removed field cloog_iv_types.
+ (GBB_CLOOG_IV_TYPES): Removed.
+
+2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
+ gimple_phi_num_args of the loop close SSA phi node is equal to 1.
+ (detect_commutative_reduction): Same.
+
+2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
+
+ * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
+ call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
+ argument.
+ * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
+ * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
+ (rewrite_commutative_reductions_out_of_ssa): Same.
+ * passes.c (execute_function_todo): Call verify_ssa for every pass
+ in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
+ * tree-flow.h (verify_loop_closed_ssa): Update declaration.
+ * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
+ with an extra argument.
+ * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
+ verify_ssa only when the extra argument is true.
+ (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
+ with an extra argument.
+ (tree_transform_and_unroll_loop): Same.
+
+2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
+
+ * passes.c (execute_function_todo): Call verify_loop_closed_ssa
+ for all the passes of the LNO having LOOP_CLOSED_SSA.
+ * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
+ * tree-loop-distribution.c (pass_loop_distribution): Same.
+ * tree-pass.h (TODO_verify_loops): Removed.
+ * tree-ssa-loop.c (pass_tree_loop_init): Same.
+ (pass_lim): Same.
+ (pass_tree_unswitch): Same.
+ (pass_predcom): Same.
+ (pass_vectorize): Same.
+ (pass_linear_transform): Same.
+ (pass_graphite_transforms): Same.
+ (pass_iv_canon): Same.
+ (pass_complete_unroll): Same.
+ (pass_complete_unrolli): Same.
+ (pass_parallelize_loops): Same.
+ (pass_loop_prefetch): Same.
+ (pass_iv_optimize): Same.
+
+2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
+
+ PR middle-end/32824
+ * passes.c (init_optimization_passes): Move pass_lim before
+ pass_copy_prop and pass_dce_loop.
+
+2010-04-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/43667
+ * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
+ instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
+ (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
+ MULTI_* defines for 4 argument vpermil2p* builtins.
+
+2010-04-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
+ * config/i386/i386.c (x86_maybe_negate_const_int): New.
+ (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
+ * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
+ *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
+ *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
+ *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
+ Use x86_maybe_negate_const_int to output insn mnemonic.
+ (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
+ check from instruction predicate. Update comments.
+ * config/i386/sync.md (sync_add<mode>): Use
+ x86_maybe_negate_const_int to output insn mnemonic.
+
+2010-04-06 Jan Hubicka <jh@suse.cz>
+
+ PR tree-optimization/42906
+ * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
+ IGNORE_SELF argument. Set visited_control_parents for fully
+ processed BBs.
+ (find_obviously_necessary_stmts): Update call of
+ mark_control_dependent_edges_necessary.
+ (propagate_necessity): Likewise. Handle PHI edges more curefully.
+
+2010-04-06 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.md: Remove comment about 'e' and 'E'
+ operand modifier.
+
+2010-04-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/43627
+ * tree-vrp.c (extract_range_from_unary_expr): Widenings
+ of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
+ not varying.
+
+2010-04-06 Jakub Jelinek <jakub@redhat.com>
+
+ * BASE-VER: Change to 4.6.0.
+
+ PR target/43638
+ * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
+ handling.
+
+2010-04-06 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/43661
+ * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
+
2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* doc/invoke.texi (Optimize Options): Document that LTO
2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
- * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
+ * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
config/alpha/predicates.md, config/arm/arm.md,
2010-04-02 Joseph Myers <joseph@codesourcery.com>
- * read-rtl.c (read_rtx_1): Give an error for EOF while looking for
- ']'.
+ * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2010-04-02 Richard Earnshaw <rearnsha@arm.com>
PR target/43469
- * arm.c (legitimize_tls_address): Adjust call to
+ * arm.c (legitimize_tls_address): Adjust call to
gen_tls_load_dot_plus_four.
(arm_note_pic_base): New function.
(arm_cannot_copy_insn_p): Use it.
2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
- * config.gcc (lm32-*-rtems*): Add t-lm32.
+ * config.gcc (lm32-*-rtems*): Add t-lm32.
2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
- * config.gcc: Add lm32-*-rtems*.
- * config/lm32/rtems.h: New file.
+ * config.gcc: Add lm32-*-rtems*.
+ * config/lm32/rtems.h: New file.
2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
PR middle-end/43602
Revert
2010-03-30 Seongbae Park <seongbae.park@gmail.com>
- Jack Howarth <howarth@bromo.med.uc.edu>
+ Jack Howarth <howarth@bromo.med.uc.edu>
* tree-profile.c (tree_init_ic_make_global_vars): Make static
variables TLS.
2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
- * config.guess (i[34567]86-*-solaris2*): Default with_arch_32,
+ * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
with_tune_32 to pentium4.
2010-04-01 Uros Bizjak <ubizjak@gmail.com>
Update IDO URL.
Document GNU as requirement.
Update configure requirements.
- (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion,
- removal.
+ (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
Recomment IRIX 6.5.18+.
Document IDF/IDL requirement.
Document GNU as requirement.
2010-02-15 Nick Clifton <nickc@redhat.com>
- * config/h8300/h8300.c: (h8300_push_pop): Use bool type for
+ * config/h8300/h8300.c (h8300_push_pop): Use bool type for
boolean parameters. Use emit_jump_insn when emitting a pop
instruction containing a return insn.
(push): Use 'true' rather than '1' as second parameter to F.
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