X-Git-Url: http://git.sourceforge.jp/view?p=pf3gnuchains%2Fgcc-fork.git;a=blobdiff_plain;f=gcc%2FChangeLog;h=0a262184cba6e4a06926e51dff5d8b9939faac08;hp=554ada2b971615254276ce7aad71d020b6d413c8;hb=498246cd84f5f72885e443f42df021b7ea3eea86;hpb=63580635bdfaa3250d559cf2d7579ba8497c299b diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 554ada2b971..e70da71a872 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,1989 @@ +2010-04-16 Jakub Jelinek + + * alias.c (memrefs_conflict_p): If x and y are the same VALUE, + don't call get_addr on both. If one expression is a VALUE and + the other a REG, check VALUE's locs if the REG isn't among them. + +2010-04-16 Christian Bruel + + * config/sh/sh.h (sh_frame_pointer_required): New function. + * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro. + (flag_omit_frame_pointer) Set. + (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set. + (rounded_frame_size): Adjust size with outgoing_args_size. + (sh_set_return_address): Must return from stack pointer. + * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define. + (SUBTARGET_FRAME_POINTER_REQUIRED): Define. + (ACCUMULATE_OUTGOING_ARGS): Define. + * doc/invoke.texi (maccumulate-outgoing-args): Document for SH. + * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option. + +2010-04-15 Kaz Kojima + + PR target/43471 + * config/sh/sh.c (sh_legitimize_reload_address): Use + MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P. + Remove a unneeded check for offset_base. + +2010-04-15 H.J. Lu + + * configure: Regenerated. + +2010-04-15 Andreas Krebbel + + * config/s390/s390.c (s390_call_save_register_used): Switch back + to HARD_REGNO_NREGS. + +2010-04-15 Richard Guenther + + * alias.c (alias_set_subset_of): Handle alias-set zero + child properly. + +2010-04-15 Mark Shinwell + Julian Brown + + * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str + alternatives according to use of high and low regs. + * config/arm/vfp.md (thumb2_movsi_vfp): Likewise. + * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when + optimizing for size on Thumb-2. + +2010-04-15 Thomas Schwinge + + * config.gcc : Handle softfp as for Linux. + +2010-04-15 Richard Guenther + + * tree-ssa-structalias.c (struct variable_info): Add + is_fn_info flag. + (new_var_info): Initialize it. + (dump_constraints): Support printing last added constraints. + (debug_constraints): Adjust. + (dump_constraint_graph): Likewise. + (make_heapvar_for): Check for NULL cfun. + (get_function_part_constraint): New function. + (get_fi_for_callee): Likewise. + (find_func_aliases): Properly implement IPA PTA constraints. + (process_ipa_clobber): New function. + (find_func_clobbers): Likewise. + (insert_into_field_list_sorted): Remove. + (create_function_info_for): Properly allocate vars for IPA mode. + Do not use insert_into_field_list_sorted. + (create_variable_info_for): Properly generate constraints for + global vars in IPA mode. + (dump_solution_for_var): Always dump the solution. + (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode. + (find_what_var_points_to): Adjust. + (pt_solution_set): Change. + (pt_solution_ior_into): New function. + (pt_solution_empty_p): Export. + (pt_solution_includes_global): Adjust. + (pt_solution_includes_1): Likewise. + (pt_solutions_intersect_1): Likewise. + (dump_sa_points_to_info): Check some invariants. + (solve_constraints): Move constraint dumping ... + (compute_points_to_sets): ... here. + (ipa_pta_execute): ... and here. + (compute_may_aliases): Do not re-compute points-to info + locally if IPA info is available. + (ipa_escaped_pt): New global var. + (ipa_pta_execute): Properly implement IPA PTA. + * tree-into-ssa.c (dump_decl_set): Support dumping + decls not in referenced-vars. + * tree-flow.h (struct gimple_df): Add ipa_pta flag. + * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust. + (dump_points_to_solution): Likewise. + * tree-dfa.c (dump_variable): Also dump DECL_PT_UID. + * tree-inline.c (remap_ssa_name): Copy IPA points-to solution. + (remap_gimple_stmt): Reset call clobber/use information if + necessary. + (copy_decl_to_var): Copy DECL_PT_UID. + (copy_result_decl_to_var): Likewise. + * tree.c (make_node_stat): Initialize DECL_PT_UID. + (copy_node_stat): Copy it. + * tree.h (DECL_PT_UID): New macro. + (SET_DECL_PT_UID): Likewise. + (DECL_PT_UID_SET_P): Likewise. + (struct tree_decl_minimal): Add pt_uid member. + * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag. + (pt_solution_empty_p): Declare. + (pt_solution_set): Adjust. + (ipa_escaped_pt): Declare. + * cfgexpand.c (update_alias_info_with_stack_vars): Adjust. + * gimple-pretty-print.c (pp_points_to_solution): New function. + (dump_gimple_call): Dump call clobber/use information. + * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry. + * tree-pass.h (TDF_ALIAS): New dump option. + * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to. + * doc/invoke.texi (-fipa-pta): Update documentation. + +2010-04-15 Richard Guenther + + * Makefile.in (OBJS-common): Add gimple-fold.o. + (gimple-fold.o): New rule. + * tree.h (maybe_fold_offset_to_reference, + maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move + prototypes ... + * gimple.h: ... here. + * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value, + may_propagate_address_into_dereference): Move prototypes ... + * gimple.h: ... here. + * tree-ssa-ccp.c (get_symbol_constant_value, + may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref, + maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference, + maybe_fold_offset_to_address, maybe_fold_stmt_indirect, + maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen, + ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond, + fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace, + gimplify_and_update_call_from_tree): Move ... + * gimple-fold.c: ... here. New file. + (ccp_fold_builtin): Rename to ... + (gimple_fold_builtin): ... this. + * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust. + +2010-04-15 Richard Guenther + + * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode, + fit_double_type, force_fit_type_double, add_double_with_sign, + neg_double, mul_double_with_sign, lshift_double, rshift_double, + lrotate_double, rrotate_double, div_and_round_double): Move ... + * double-int.c: ... here. + * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign, + add_double, neg_double, mul_double_with_sign, mul_double, + lshift_double, rshift_double, lrotate_double, rrotate_double, + div_and_round_double): Move prototypes ... + * double-int.h: ... here. + +2010-04-15 Bernd Schmidt + + PR target/43742 + * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use + matching constraints to ensure inputs match the output. + +2010-04-15 Kaz Kojima + + PR target/43742 + * config/sh/sh.md (doloop_end_split): Remove "+r" constraint + in an input-only operand. + +2010-04-15 Anatoly Sokolov + + * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define. + (double_int_not, double_int_lshift, double_int_rshift): Declare. + (double_int_negative_p): Convert to static inline function. + * double-int.c (double_int_lshift, double_int_lshift): Add new function. + (double_int_negative_p): Remove. + * tree.h (lshift_double, rshift_double): + * tree.c (build_low_bits_mask): Clean up, use double_int_* functions. + * fold-const.c (fold_convert_const_int_from_real, + fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.). + (lshift_double): Change type of arith argument to bool. + (rshift_double): Change type of arith argument to bool. Correct + comment. + * expmed.c (mask_rtx, lshift_value): (Ditto.). + +2010-04-14 Bernd Schmidt + + PR target/21803 + * ifcvt.c (cond_exec_process_if_block): Look for identical sequences + at the start and end of the then/else blocks, and omit them from the + conversion. + * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE + argument; all callers changed. Pass zero to old_insns_match_p instead. + (flow_find_head_matching_sequence): New function. + (old_insns_match_p): Check REG_EH_REGION notes for calls. + * basic-block.h (flow_find_cross_jump, + flow_find_head_matching_sequence): Declare functions. + +2010-04-14 Jason Merrill + + PR c++/36625 + * c-common.c (attribute_takes_identifier_p): New fn. + * c-common.h: Declare it. + +2010-04-14 Uros Bizjak + + * config/i386/i386.md (*divmod4): Remove stray "&&" from + splitter condition. + (*udivmod4): Ditto. + +2010-04-14 Uros Bizjak + + * config/i386/i386.md (maxmin_int): Rename code attribute from + maxminiprefix and update all users. + (maxmin_float): Ditto from maxminfprefix. + (logic): Ditto from logicprefix. + (absneg_mnemonic): Ditto from absnegprefix. + * config/i386/mmx.md: Update all users of maxminiprefix, + maxminfprefix and loficprefix for rename. + * config/i386/sse.md: Ditto. + * config/i386/sync.md (sync_): Update for + logicprefix rename. + +2010-04-14 Manuel López-Ibáñez + + PR 42966 + * diagnostics.c (diagnostic_report_diagnostic): Mark specially + warnings converted to errors. + +2010-04-14 Uros Bizjak + + * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not + used insn_type variable. + (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration + to avoid set-but-not-used warning. + +2010-04-14 Uros Bizjak + + * df-core.c (df_ref_debug): Change format string placeholder + from 0x%x to %#x. + * dwarf2asm.c (dw2_asm_output_data_raw, + dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128, + dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto. + * dwarf2out.c (output_cfi, output_cfi_directive, + dwarf2out_do_cfi_startproc, output_loc_sequence_raw, + output_cfa_loc_raw, output_die, output_ranges, output_file_names): + Ditto. + * genattrtab.c (write_test_expr, write_attr_valueq): Ditto. + * print-rtl.c (print_rtx): Ditto. + +2010-04-14 Michael Meissner + + PR middle-end/42694 + * builtins.c (expand_builtin_pow_root): New function to expand pow + calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a + series of sqrt and cbrt calls under -ffast-math. + (expand_builtin_pow): Call it. + +2010-04-14 Michael Matz + + PR tree-optimization/42963 + * tree-cfg.c (touched_switch_bbs): New static variable. + (group_case_labels_stmt): New function broken out from ... + (group_case_labels): ... here, use the above. + (start_recording_case_labels): Allocate touched_switch_bbs. + (end_recording_case_labels): Deallocate it, call + group_case_labels_stmt. + (gimple_redirect_edge_and_branch): Remember index of affected BB. + +2010-04-14 Uros Bizjak + + * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute + from insn template. + +2010-04-14 Uros Bizjak + + * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern. + +2010-04-13 Jan Hubicka + + * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting + of optimized out static functions. + (cgraph_edge_badness): Add DUMP parameter and dump reasons for the + cost computation. Also sanity check for overflows. + (update_caller_keys): Update cgraph_edge_badness call; properly + update fibheap and sanity check that it is up to date. + (add_new_edges_to_heap): Update cgraph_edge_badness. + (cgraph_decide_inlining_of_small_function): Likewise; + add sanity checking that badness in heap is up to date; + improve dumping of reason; Update badness of calls to the + offline copy of function currently inlined; dump badness + of functions not inlined because of unit growth limits. + +2010-04-13 Eric Botcazou + + PR middle-end/32628 + * c-common.c (pointer_int_sum): Disregard overflow that occured only + because of sign-extension change when converting to sizetype here... + * fold-const.c (fold_convert_const_int_from_int): ...and not here. + + * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict + the folding to constants. Remove redundant final conversion. + (fold_binary) : Do not associate if the re-association of + constants alone overflows. + (fold_binary) : Move transformation into BIT_AND_EXPR + to the end of the list. + (multiple_of_p) : New case. + +2010-04-13 Manuel López-Ibáñez + + * opt-functions.awk (opt_sanitized_name): New. + (opt_enum): New. + * optc-gen.awk: Use it + * opth-gen.awk: Use it. + +2010-04-13 Martin Jambor + + * tree-sra.c (replace_uses_with_default_def_ssa_name): New function. + (sra_modify_assign): Delete stmts loading dead data even if racc has no + children. Call replace_uses_with_default_def_ssa_name to handle + SSA_NAES on lhs. + +2010-04-13 Michael Matz + + PR middle-end/43730 + * builtins.c (expand_builtin_interclass_mathfn): Also create + a register if the predicate doesn't match. + +2010-04-13 Diego Novillo + + * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h. + * c-pch.c: Include timevar.h. + (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers. + (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers. + * ggc-common.c: Include timevar.h. + (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers. + * timevar.def (TV_PCH_SAVE): Define. + (TV_PCH_CPP_SAVE): Define. + (TV_PCH_PTR_REALLOC): Define. + (TV_PCH_PTR_SORT): Define. + (TV_PCH_RESTORE): Define. + (TV_PCH_CPP_RESTORE): Define. + +2010-04-13 Michael Matz + + * tree-ssa-reassoc.c (repropagate_negates): Merge negates also + into MINUS_EXPRs. + (can_reassociate_p): New function. + (break_up_subtract_bb, reassociate_bb): Use it. + +2010-04-13 Richard Guenther + + PR bootstrap/43737 + * builtins.c (c_readstr): Fix assert. + +2010-04-13 Uros Bizjak + + * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG + when generating cltd insn. + + (*ashl3_1): Remove special handling for register operand 2. + (*ashlsi3_1_zext): Ditto. + (*ashlhi3_1): Ditto. + (*ashlhi3_1_lea): Ditto. + (*ashlqi3_1): Ditto. + (*ashlqi3_1_lea): Ditto. + (*3_1): Ditto. + (*si3_1_zext): Ditto. + (*qi3_1_slp): Ditto. + (*3_1): Ditto. + (*si3_1_zext): Ditto. + (*qi3_1_slp): Ditto. + +2010-04-13 Richard Guenther + + * tree-ssa-structalias.c (callused_id): Remove. + (call_stmt_vars): New. + (get_call_vi): Likewise. + (lookup_call_use_vi): Likewise. + (lookup_call_clobber_vi): Likewise. + (get_call_use_vi): Likewise. + (get_call_clobber_vi): Likewise. + (make_transitive_closure_constraints): Likewise. + (handle_const_call): Adjust to do per-call call-used handling. + (handle_pure_call): Likewise. + (find_what_var_points_to): Remove general callused handling. + (init_base_vars): Likewise. + (init_alias_vars): Initialize call_stmt_vars. + (compute_points_to_sets): Process call-used and call-clobbered + vars for call statements. + (delete_points_to_sets): Free call_stmt_vars. + +2010-04-13 Richard Guenther + + * tree-vect-data-refs.c (vect_analyze_data_ref_dependence): + Only add RW dependence for dependence distance zero. + Adjust maximal vectorization factor according to dependences. + Move alignment handling ... + (vect_find_same_alignment_drs): ... here. New function. + (vect_analyze_data_ref_dependences): Adjust. + (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs. + (vect_analyze_data_refs): Adjust minimal vectorization factor + according to data references. + * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref + dependences before determining the vectorization factor. + Analyze alignment after determining the vectorization factor. + * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref + dependences before alignment. + * tree-vectorizer.h (vect_analyze_data_ref_dependences): + Adjust prototype. + (vect_analyze_data_refs): Likewise. + (MAX_VECTORIZATION_FACTOR): New define. + +2010-04-13 Duncan Sands + + * except.h (lang_eh_type_covers): Remove. + * except.c (lang_eh_type_covers): Likewise. + +2010-04-13 Andreas Krebbel + Ulrich Weigand + + * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH. + * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with + UNITS_PER_LONG where it is ABI relevant. + (s390_return_addr_rtx): Likewise. + (s390_back_chain_rtx): Likewise. + (s390_frame_area): Likewise. + (s390_frame_info): Likewise. + (s390_initial_elimination_offset): Likewise. + (save_gprs): Likewise. + (s390_emit_prologue): Likewise. + (s390_emit_epilogue): Likewise. + (s390_function_arg_advance): Likewise. + (s390_function_arg): Likewise. + (s390_va_start): Likewise. + (s390_gimplify_va_arg): Likewise. + (s390_function_profiler): Likewise. + (s390_optimize_prologue): Likewise. + (s390_rtx_costs): Likewise. + (s390_secondary_reload): Likewise. + (s390_promote_function_mode): Likewise. + (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH. + (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit + registers available. + (s390_unwind_word_mode): New function. + (s390_function_value): Split 64 bit values into register pair if + used as return value. + (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for + function call parameters. Handle parallels. + (TARGET_SCALAR_MODE_SUPPORTED_P): New macro. + (HARD_REGNO_CALL_PART_CLOBBERED): New macro. + (DWARF_CIE_DATA_ALIGNMENT): New macro. + (s390_expand_setmem): Remove unused variable src_addr. + * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to + deal with 64 bit registers. + * gcc/config/s390/s390.h: Define __zarch__ predefined macro. + Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant. + (UNITS_PER_LONG): New macro. + * libjava/include/s390-signal.h: Define extended ucontext + structure containing the upper halfs of the 64 bit registers. + +2010-04-13 Simon Baldwin + + * cfgexpand.c (gimple_expand_cfg): Clarify warning message text. + +2010-04-13 Eric Botcazou + + * gimple.c (walk_gimple_op) : Do not request a pure + rvalue on the RHS if the LHS is of a non-renamable type. + * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result. + +2010-04-13 Matthias Klose + + * gcc.c (cc1_options): Handle -iplugindir before processing + the cc1 spec. Only add -iplugindir once. + (cpp_unique_options): Add -iplugindir option if -fplugin* options + found. + * common.opt (iplugindir): Remove `Separate' property, initialize. + * plugin.c (default_plugin_dir_name): Error with missing -iplugindir + option. + * Makefile.in (check-%, check-parallel-%): Create plugin dir. + (distclean): Remove plugin dir. + * doc/invoke.texi: Document -iplugindir. + +2010-04-13 Basile Starynkevitch + + * doc/plugins.texi (Loading Plugins): Document short + -fplugin=foo option. + (Plugin API): Mention default_plugin_dir_name function. + + * gcc.c (find_file_spec_function): Add new declaration. + (static_spec_func): Use it for "find-file". + (find_file_spec_function): Add new function. + (cc1_options): Add -iplugindir option if -fplugin* options found. + + * gcc-plugin.h (default_plugin_dir_name): Added new declaration. + + * plugin.c (add_new_plugin): Updated comment, and handle short + plugin name. + (default_plugin_dir_name): Added new function. + + * common.opt (iplugindir): New option to set the plugin directory. + +2010-04-12 Uros Bizjak + + * config/i386/i386.md (any_rotate): New code iterator. + (rotate_insn): New code attribute. + (rotate): Ditto. + (SWIM124): New mode iterator. + (ti3): New expander. + (di3): Macroize expander from {rotl,rotr}di3 using + any_rotate code iterator. + (3) Macroize expander from {rotl,rotr}{qi,hi,si}3 + using any_rotate code iterator and SWIM124 mode iterator. + (ix86_rotlti3): New insn_and_split pattern. + (ix86_rotrti3): Ditto. + (ix86_rotl3_doubleword): Macroize insn_and_split pattern from + ix86_rotl{di,ti}3 patterns. + (ix86_rotr3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns. + (*3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit + and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from + *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate + code iterator and SWI mode iterator. + (*si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext. + Macroize insn from {rotl,rotr}si3_1_zext using any_rotate + code iterator. + (*qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp. + Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator. + (bswap rotatert splitter): Add splitter. + (bswap splitter): Macroize splitter using any_rotate code iterator. + Add insn predicate to split only for TARGET_USE_XCHGB or when + optimizing function for size. + +2010-04-12 Steve Ellcey + + * config/pa/pa.c (emit_move_sequence): Remove use of + deleted variable flag_argument_noalias. + +2010-04-12 Rainer Orth + + * config.gcc: Removed *-*-solaris2.7* from list of obsolete + configurations. + Add to unsupported targets list. + * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*, + sparc*-sun-solaris2.[567]* from target lists. + * configure: Regenerate. + * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7 + removal. + Remove Solaris 7 patch references. + (Specific, sparc-sun-solaris2.7): Removed. + (sparc-sun-solaris2*): Update Solaris 7 example. + (sparc64-*-solaris2*): Likewise. + +2010-04-12 Rainer Orth + + * 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 + + * doc/contrib.texi (Contributors, Rainer Orth): Update. + +2010-04-12 Kai Tietz + + PR/43702 + * config/i386/i386.c (x86_this_parameter): Handle aggregate for + __thiscall convention. + +2010-04-12 Steve Ellcey + + * 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 + + * function.c (assign_parms_initialize_all): Add unused attribute + to fntype. + +2010-04-12 Richard Guenther + + * 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 + + * 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 + + 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 + + * 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 + + PR c/36774 + * c-decl.c (start_function): Move forward check for nested function. + +2010-04-11 Kaz Kojima + + * 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 + + * 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 + + * config/i386/i386.md (any_shiftrt): New code iterator. + (shiftrt_insn): New code attribute. + (shiftrt): Ditto. + (3): Macroize expander from {ashr,lshr}3 + using any_shiftrt code iterator. + (*3_doubleword): Macroize insn_and_split from + *{ashr,lshr}3_doubleword using any_shiftrt code iterator. + (*3_doubleword peephole2): Macroize peephole2 + pattern from corresponding peephole2 patterns. + (*3_1): Macroize insn from *{ashr,lshr}3_1 + using any_shiftrt code iterator. + (*si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext. + (*qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp. + (*3_cmp): Ditto from *{ashr,lshr}3_cmp. + (*3_cmp_zext): Ditto from + *{ashr,lshr}3_cmp_zext. + (*3_cconly): Ditto from *{ashr,lshr}3_cconly. + +2010-04-11 Uros Bizjak + + * config/i386/i386.md (*ashr3_cconly): Fix wrong mode of + scratch register. + (*lshr3_cconly): Ditto. + +2010-04-11 Uros Bizjak + + * config/i386/i386.md (lshr3): Macroize expander from + lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator. + (*lshr3_doubleword): New insn_and_split_pattern. Macroize + pattern from *lshr{di,ti}3_1 and corresponding splitters using + DWI mode iterator. + (*lshr3_doubleword peephole2): Macroize peephole2 pattern + from corresponding peephole2 patterns. + (*lshr3_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_1 + and *lshrdi3_1_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. + (*lshr3_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. + (*lshr3_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 + + * config/i386/i386.md (ashr3): Macroize expander from + ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator. + (*ashr3_doubleword): New insn_and_split_pattern. Macroize + pattern from *ashr{di,ti}3_1 and corresponding splitters using + DWI mode iterator. + (*ashr3_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_adj_3): Macroize expander from x86_shift_adj_3 + and x86_64_shift_adj_3 using SWI48 mode iterator. + (*ashr3_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_1 + and *ashrdi3_1_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. + (*ashr3_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. + (*ashr3_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_adj_3 expanders. + +2010-04-10 Wei Guozhi + + 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 + + * 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 + + PR target/43707 + PR target/43709 + * config/i386/i386.md (*ashl3_doubleword): Split to insn + and splitter pattern. Change splitter operand 1 predicate to + nonmemory_operand. + +2010-04-09 Martin Jambor + + * 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 + Bernd Schmidt + + * 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 + + * 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 + + * 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 + + * 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 + + * 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 + + * 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 + + 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 + + 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 + + * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS. + +2010-04-09 Iain Sandoe + + 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 + + * config/i386/i386.md (DWI): New mode iterator. + (S): New mode attribute. + (shift_operand): Ditto. + (shift_immediate_operand): Ditto. + (ashl_input_operand): Ditto. + (ashl3): Macroize expander from ashl{qi,hi,si,di,ti}3_1 + using SDWIM mode iterator. + (*ashl3_doubleword): New insn_and_split_pattern. Macroize + pattern from *ashl{di,ti}3_1 and corresponding splitters using + DWI mode iterator. + (*ashl3_doubleword peephole2): Macroize peephole2 pattern + from corresponding peephole2 patterns. + (x86_shift_adj_1): Macroize expander from x86_shift_adj_1 + and x86_64_shift_adj_1 using SWI48 mode iterator. + (x86_shift_adj_2): Ditto. + (*ashldi3_1_rex64): Split TYPE_LEA pattern. + (*ashl3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64 + using SWI48 mode iterator. + (*ashl3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and + *ashldi3_cmp_rex64 using SWI mode iterator. + (*ashl3_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_adj_{1,2}. + (ix86_split_ashr): Ditto. + (ix86_split_lshr): Ditto. + +2010-04-09 Richard Guenther + + * 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 + + PR target/43152 + * config/i386/sse.md (vcond): Handle AVX modes as well. + +2010-04-09 Richard Guenther + + * 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 + + * 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 + + 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 + + * 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) : New case. + +2010-04-08 Jing Yu + Zdenek Dvorak + + 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 + + * tree-if-conv.c: Fix comments and simplify logic. + +2010-04-08 Sebastian Pop + + * 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 + + 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 + Wolfgang Gellerich + + 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 + + PR target/43643 + * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx. + +2010-04-08 Rainer Orth + + * 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 + + * 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 + + * 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 + + PR tree-optimization/43679 + * tree-ssa-pre.c (eliminate): Only propagate copies. + +2010-04-08 Jakub Jelinek + + PR bootstrap/43681 + * expr.c (block_move_libcall_safe_for_call_parm): Avoid + set but not used variable warning. + +2010-04-08 Wei Guozhi + + 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 + + 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 + + * configure.ac: Recognize gold and do not use its version number + to test ld features. + * configure: Regenerate. + +2010-04-08 Maxim Kuvyrkov + + 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 + + * 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 + + 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 + + * 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 + + * 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 + + * tree-ssa-forwprop.c (forward_propagate_addr_expr): + Propagate constants everywhere. + +2010-04-07 Jakub Jelinek + + 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 + + * 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 + + 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 + + * tree-sra.c (find_param_candidates): Allow scalar va_list types. + +2010-04-07 Iain Sandoe + + PR driver/41594 + * gcc.c: Add -static-libstdc++ to list of recognized options. + +2010-04-07 Rainer Orth + + * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic. + +2010-04-07 Richard Guenther + + 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 + + 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 + + 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 + + PR debug/43628 + * dwarf2out.c (modified_type_die): Ignore artificial typedefs. + +2010-04-06 Kai Tietz + + * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore + calling convention attributes on METHOD_TYPEs for w64 ABI, too. + +2010-04-07 Sebastian Pop + + * tree-if-conv.c: Fix indentation and comments. + +2010-04-07 Sebastian Pop + + * tree-if-conv.c: Sort static functions in topological order. + +2010-04-07 Sebastian Pop + + * tree-if-conv.c: Fix indentation and comments. + +2010-04-06 Sebastian Pop + + 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 + + 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 + + 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 + + * 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 + + * 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 + + * 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 + + 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 + + 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 + + * 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_1, *addsi_1_zext, *addhi_1, + *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add_2, + *addsi_2_zext, *addhi_2, *addqi_2, *add_3, *addsi_3_zext, + *addhi_3, *addqi_3,*add_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): Use + x86_maybe_negate_const_int to output insn mnemonic. + +2010-04-06 Jan Hubicka + + 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 + + * config/i386/i386.md: Remove comment about 'e' and 'E' + operand modifier. + +2010-04-06 Richard Guenther + + 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 + + * 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 + + PR middle-end/43661 + * fold-const.c (fold_comparison): Handle X * 0 CMP 0. + +2010-04-05 Ralf Wildenhues + + * doc/invoke.texi (Optimize Options): Document that LTO + won't remove object access purely due to incompatible + declarations. + +2010-04-04 Matthias Klose + + * graphite-sese-to-poly.c (translate_scalar_reduction_to_array): + Initialize variable. + +2010-04-03 Richard Guenther + + PR middle-end/42509 + * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses + require a non-NULL MEM_OFFSET. + +2010-04-02 Steven Bosscher + + * 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, + config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml, + config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c, + config/darwin9.h, config/darwin.c, config/darwin.h, + config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h, + config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c, + config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c, + config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c, + config/mips/mips.md, config/mn10300/mn10300.c, + config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md, + config/rs6000/aix.h, config/rs6000/dfp.md, + config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c, + config/rs6000/vector.md, config/rtems.h, config/rx/rx.md, + config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h, + config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md, + config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c, + config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in, + c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c, + diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi, + doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi, + doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c, + fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h, + gensupport.c, gimple.h, gimple-iterator.c, graphite.c, + graphite-clast-to-gimple.c, graphite-clast-to-gimple.h, + graphite-dependences.c, graphite-poly.c, graphite-poly.h, + graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c, + graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c, + intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h, + ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c, + ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c, + loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c, + objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk, + opt-functions.awk, opth-gen.awk, params.def, passes.c, + postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h, + rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h, + store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c, + tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h, + tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c, + tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c, + tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c, + tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c, + tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c, + tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c, + tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c, + tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c, + tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c, + unwind-dw2-fde-darwin.c, varpool.c: Update copyright years. + +2010-04-02 Ralf Wildenhues + + PR other/43620 + * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1. + * aclocal.m4: Regenerate. + +2010-04-02 Richard Guenther + + PR tree-optimization/43629 + * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands + if we have seen a constant value. + +2010-04-02 Joseph Myers + + * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'. + +2010-04-02 Richard Earnshaw + + PR target/43469 + * 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. + * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in + constraint. + +2010-04-02 Ralf Wildenhues + + PR bootstrap/43531 + + Revert: + 2009-09-28 Ralf Wildenhues + + * Makefile.in ($(out_object_file)): Depend on + gt-$(basename $(notdir $(out_file))).h. + +2010-04-01 Ralf Corsépius + + * config.gcc (lm32-*-rtems*): Add t-lm32. + +2010-04-01 Joel Sherrill + + * config.gcc: Add lm32-*-rtems*. + * config/lm32/rtems.h: New file. + +2010-04-01 Dave Korn + + PR target/42609 + * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin. + +2010-04-01 Jakub Jelinek + + * dwarf2out.c (output_compilation_unit_header): For + -gdwarf-4 use version 4 instead of version 3. + (output_line_info): For version 4 and above emit additional + maximum ops per insn header field. + (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define. + + * dwarf2out.c (is_c_family, is_java): Remove. + (lower_bound_default): New function. + (add_bound_info, gen_descr_array_type_die): Use it. + +2010-04-01 Dodji Seketeli + + PR debug/43325 + * dwarf2out.c (gen_variable_die): Allow debug info for variable + re-declaration when it happens in a function. + +2010-04-01 Aldy Hernandez + + * cgraph.c (cgraph_add_function_insertion_hook): Update comment. + (cgraph_remove_function_insertion_hook): Same. + (cgraph_call_function_insertion_hooks): Same. + +2010-04-01 Richard Guenther + + PR middle-end/43614 + * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS + and TREE_THIS_VOLATILE. + (copy_ref_info): Likewise. + * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE. + * tree.c (build6_stat): Ignore side-effects of all but arg5 + for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of + TARGET_MEM_REF. + +2010-04-01 Richard Guenther + + PR tree-optimization/43607 + * ipa-type-escape.c (check_call): Do not access non-existing + arguments. + +2010-04-01 Richard Guenther + + PR middle-end/43602 + Revert + 2010-03-30 Seongbae Park + Jack Howarth + + * tree-profile.c (tree_init_ic_make_global_vars): Make static + variables TLS. + +2010-04-01 Rainer Orth + + * doc/install.texi (Prerequisites): Document libelf usability on + IRIX 5/6 and Solaris 2. + (Specific, i?86-*-solaris2.10): No 64-bit default configuration. + Update GNU as, GNU ld requirements. + (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal. + Document Sun Studio compiler download. + Update and simplify as, ld recommendations. + (Specific, *-*-solaris2.7): Note obsoletion, removal. + +2010-04-01 Rainer Orth + + * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32, + with_tune_32 to pentium4. + +2010-04-01 Uros Bizjak + + * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment. + +2010-04-01 Rainer Orth + + * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5 + obsoletion, removal. + Update IDO URL. + Document GNU as requirement. + Update configure requirements. + (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal. + Recomment IRIX 6.5.18+. + Document IDF/IDL requirement. + Document GNU as requirement. + Document GNU ld bootstrap failure. + Remove freeware.sgi.com reference. + +2010-04-01 Rainer Orth + + * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64 + UNIX V4.0, V5.0 obsoletion, removal. + Remove --with-gc=simple reference. + Update VM requirements during bootstrap. + Remove -oldas bootstrap description. + Update binutils reference. + Remove comparison failure note. + +2010-03-31 Richard Guenther + Zdenek Dvorak + Sebastian Pop + + PR middle-end/43464 + * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes + with multiple arguments. + (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa. + +2010-03-31 Sebastian Pop + + * graphite-dependences.c (print_pddr): Call print_pdr with an + extra argument. + * graphite-poly.c (debug_pdr): Add an extra argument for the + verbosity level. + (print_pdr): Same. + (print_pbb_domain): Same. + (print_pbb): Same. + (print_scop_context): Same. + (print_scop): Same. + (print_cloog): Same. + (debug_pbb_domain): Same. + (debug_pbb): Same. + (print_pdrs): Same. + (debug_pdrs): Same. + (debug_scop_context): Same. + (debug_scop): Same. + (debug_cloog): Same. + (print_scop_params): Same. + (debug_scop_params): Same. + (print_iteration_domain): Same. + (print_iteration_domains): Same. + (debug_iteration_domain): Same. + (debug_iteration_domains): Same. + (print_scattering_function): Same. + (print_scattering_functions): Same. + (debug_scattering_function): Same. + (debug_scattering_functions): Same. + * graphite-poly.h (debug_pdr): Update declaration. + (print_pdr): Same. + (print_pbb_domain): Same. + (print_pbb): Same. + (print_scop_context): Same. + (print_scop): Same. + (print_cloog): Same. + (debug_pbb_domain): Same. + (debug_pbb): Same. + (print_pdrs): Same. + (debug_pdrs): Same. + (debug_scop_context): Same. + (debug_scop): Same. + (debug_cloog): Same. + (print_scop_params): Same. + (debug_scop_params): Same. + (print_iteration_domain): Same. + (print_iteration_domains): Same. + (debug_iteration_domain): Same. + (debug_iteration_domains): Same. + (print_scattering_function): Same. + (print_scattering_functions): Same. + (debug_scattering_function): Same. + (debug_scattering_functions): Same. + +2010-03-31 Sebastian Pop + + * graphite-poly.c (print_scattering_function_1): New. + (print_scattering_function): Call it. + (print_scop_params): Remove spaces at the end of lines. + (print_cloog): New. + (debug_cloog): New. + * graphite-poly.h (print_cloog): Declared. + (debug_cloog): Declared. + +2010-03-31 Sebastian Pop + + * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump + in loop->header. + * tree-flow.h (canonicalize_loop_ivs): Updated declaration. + * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch. + * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter + to switch between adding the IV bump in loop->latch or in loop->header. + +2010-03-31 Sebastian Pop + + * graphite-poly.c (print_scattering_function): Pretty print following + the scoplib format. + (print_pdr): Same. + (print_pbb_domain): Same. + (dump_gbb_cases): Same. + (dump_gbb_conditions): Same. + (print_pdrs): Same. + (print_pbb): Same. + (print_scop_params): Same. + (print_scop_context): Same. + (print_scop): Same. + (print_pbb_body): New. + (lst_indent_to): New. + (print_lst): Start new lines with a #. + * graphite-poly.h (pbb_bb): New. + (pbb_index): Use pbb_bb. + * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of + disjuncts. + * tree-data-ref.c (dump_data_reference): Start new lines with a #. + +2010-03-31 Jakub Jelinek + + * dwarf2out.c (size_of_die): For -gdwarf-4 use + uleb128 size instead of fixed 1 or 2 for dw_val_class_loc + and 0 instead of 1 for dw_val_class_flag. + (value_format): For -gdwarf-4 use DW_FORM_sec_offset for + dw_val_class_range_list, dw_val_class_loc_list, + dw_val_class_lineptr and dw_val_class_macptr, use + DW_FORM_flag_present for dw_val_class_flag and + DW_FORM_exprloc for dw_val_class_loc. + (output_die): For -gdwarf-4 print dw_val_class_loc + size as uleb128 instead of 1 or 2 bytes and don't print + anything for dw_val_class_flag. + + * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn + instead of cselib_lookup following by tweaking locs->setting_insn. + + PR bootstrap/43596 + * cselib.c (cselib_process_insn): Clear cselib_current_insn + even before returning from label, setjmp call or volatile asm + handling. + +2010-03-31 Richard Guenther + + PR middle-end/43600 + * cgraphunit.c (cgraph_output_in_order): Do not allocate + temporary data on stack. + +2010-03-31 Rainer Orth + + * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef. + (PUSHSECTION_ASM_OP): Remove. + (POPSECTION_ASM_OP): Remove. + (PUSHSECTION_FORMAT): Remove. + * config/sol2.h (PUSHSECTION_FORMAT): Define. + * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine. + * config/sol2.c (solaris_output_init_fini): Use it. + +2010-03-31 Jie Zhang + + PR 43574 + * opt-functions.awk (var_type_struct): Use signed char type + for simple variables. + +2010-03-31 Rainer Orth + + * config/sol2.c: Include output.h. + (solaris_assemble_visibility): New function. + * config/t-sol2 (sol2.o): Add output.h dependency. + * config/sol2-protos.h (solaris_assemble_visibility): Declare. + * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY): + Redefine. + +2010-03-31 Jakub Jelinek + + PR target/43580 + * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of + V2SImode or XFmode on PRE_DEC. + + PR debug/43557 + * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like + BLKmode. + +2010-03-31 Jie Zhang + + PR 43562 + * reload.h (caller_save_initialized_p): Declare. + * toplev.c (backend_init_target): Don't call + init_caller_save but set caller_save_initialized_p to false. + * caller-save.c (caller_save_initialized_p): Define. + (init_caller_save): Check caller_save_initialized_p. + * ira.c (ira): Call init_caller_save if flag_caller_saves. + +2010-03-31 Rainer Orth + + PR target/39048 + * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp + and soft-fp/t-softfp to tmake_file. + * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine. + (LIBGCC2_TF_CEXT): Define. + (TF_SIZE): Define. + +2010-03-30 Alexandre Oliva + + PR debug/42977 + * cselib.c (n_useless_values): Document handling of debug locs. + (n_useless_debug_values, n_debug_values): New variables. + (new_elt_loc_list): Don't add to debug values, keep count. + (promote_debug_loc): New. + (cselib_reset_table): Zero new variables. + (entry_and_rtx_equal_p): Promote debug locs. + (discard_useless_locs): Increment n_useless_debug_values for + debug values. + (remove_useless_values): Adjust n_useless_values and n_debug_values + with n_useless_debug_values. + (add_mem_for_addr): Promote debug locs. + (cselib_lookup_mem): Likewise. + (cselib_lookup_addr): Renamed to... + (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call... + (cselib_log_lookup): ... this. Turn into... + (cselib_lookup_addr): ... new wrapper. + (cselib_lookup_from_insn): New. + (cselib_invalidate_regno): Increment n_useless_debug_values for + debug values. + (cselib_invalidate_mem): Likewise. + (cselib_process_insn): Take n_deleted and n_debug_values into + account to guard remove_useless_value call. + (cselib_finish): Zero n_useless_debug_values. + * cselib.h (cselib_lookup_from_insn): Declare. + * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn. + (sched_analyze_2): Likewise. + +2010-03-30 Jakub Jelinek + + * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New + functions. + (adjust_mems): Replace narrowing SUBREG of expression containing + just PLUS, MINUS, MULT and ASHIFT of registers and constants + with operations in the narrower mode. + + PR debug/43593 + * var-tracking.c (dataflow_set_clear_at_call): Invalidate just + regs_invalidated_by_call instead all call_used_reg_set registers. + +2010-03-30 Sebastian Pop + + PR middle-end/43430 + * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type + pointer comparisons with types_compatible_p. + * tree-vect-stmts.c (vectorizable_call): Same. + (vectorizable_condition): Same. + +2010-03-30 Andreas Krebbel + + * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic + stack check if the mask would be zero. + +2010-03-30 Seongbae Park + Jack Howarth + + * tree-profile.c (tree_init_ic_make_global_vars): Make static + variables TLS. + +2010-03-30 Joseph Myers + + PR other/25232 + * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2 + and __unordtf2. + * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version. + Include ___unordxf2 and ___unordtf2. + * config/i386/libgcc-glibc.ver: Do not define inheritance from + GCC_4.4.0 here. + +2010-03-30 Tarik Graba + + * config/lm32/t-lm32: New file. + * config.gcc: Use the above file when targetting lm32. + +2010-03-28 Duncan Sands + + * Makefile.in (PLUGIN_HEADERS): Add except.h. + +2010-03-29 Sebastian Pop + + PR middle-end/43431 + * tree-vect-loop.c (vect_estimate_min_profitable_iters): + Improve vectorization cost model diagnostic. + +2010-03-29 Sebastian Pop + + PR middle-end/43436 + * tree-vect-data-refs.c (vect_analyze_data_refs): When + compute_data_dependences_for_loop returns false, early exit + and output an extra diagnostic for the failed data reference + analysis. + +2010-03-29 Richard Guenther + + PR tree-optimization/43560 + * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter. + (can_sm_ref_p): Treat stores to readonly locations as trapping. + +2010-03-29 Jie Zhang + + PR 43564 + * toplev.c (process_options): Set optimization_default_node + and optimization_current_node. + * opts.c (decode_options): Don't set optimization_default_node + and optimization_current_node. + +2010-03-29 Ralf Corsépius + + * config/rtems.h: Abandon -qrtems_debug. + +2010-03-28 Jan Hubicka + + PR tree-optimization/43505 + * cgraph.c (cgraph_clone_node): When clonning a clone, replacement + map should not be copied. + +2010-03-27 John David Anglin + + PR middle-end/41674 + * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have + cdtors, set DECL_PRESERVE_P. + * ipa.c (cgraph_externally_visible_p): Return true if declaration + should be preseved. + +2010-03-27 Uros Bizjak + + PR tree-optimization/43528 + * stor-layout.c (place_field): Check that constant fits into + unsigned HWI when skipping calculation of MS bitfield layout. + 2010-03-27 Jan Hubicka PR middle-end/43391