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* doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index ffd5150..233be67 100644 (file)
@@ -1,3 +1,404 @@
+2010-04-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * 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  <rguenther@suse.de>
+           Zdenek Dvorak  <ook@ucw.cz>
+           Sebastian Pop  <sebastian.pop@amd.com>
+
+       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  <sebastian.pop@amd.com>
+
+       * 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  <sebastian.pop@amd.com>
+
+       * 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  <sebastian.pop@amd.com>
+
+       * 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  <sebastian.pop@amd.com>
+
+       * 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  <jakub@redhat.com>
+
+       * 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  <rguenther@suse.de>
+
+       PR middle-end/43600
+       * cgraphunit.c (cgraph_output_in_order): Do not allocate
+       temporary data on stack.
+
+2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * 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  <jie@codesourcery.com>
+
+       PR 43574
+       * opt-functions.awk (var_type_struct): Use signed char type
+       for simple variables.
+
+2010-03-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * 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  <jakub@redhat.com>
+
+       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  <jie@codesourcery.com>
+
+       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  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       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  <aoliva@redhat.com>
+
+       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  <jakub@redhat.com>
+
+       * 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  <sebastian.pop@amd.com>
+
+       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  <Andreas.Krebbel@de.ibm.com>
+
+       * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
+       stack check if the mask would be zero.
+
+2010-03-30  Seongbae Park <seongbae.park@gmail.com>
+           Jack Howarth <howarth@bromo.med.uc.edu>
+
+       * tree-profile.c (tree_init_ic_make_global_vars): Make static
+       variables TLS.
+
+2010-03-30  Joseph Myers  <joseph@codesourcery.com>
+
+       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  <tarik.graba@telecom-paristech.fr>
+
+       * config/lm32/t-lm32: New file.
+       * config.gcc: Use the above file when targetting lm32.
+
+2010-03-28  Duncan Sands  <baldrick@free.fr>
+
+       * Makefile.in (PLUGIN_HEADERS): Add except.h.
+
+2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
+
+       PR middle-end/43431
+       * tree-vect-loop.c (vect_estimate_min_profitable_iters):
+       Improve vectorization cost model diagnostic.
+
+2010-03-29  Sebastian Pop  <sebastian.pop@amd.com>
+
+       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  <rguenther@suse.de>
+
+       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  <jie@codesourcery.com>
+
+       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  <ralf.corsepius@rtems.org>
+
+       * config/rtems.h: Abandon -qrtems_debug.
+
+2010-03-28  Jan Hubicka  <jh@suse.cz>
+
+       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  <dave.anglin@nrc-cnrc.gc.ca>
+
+       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  <ubizjak@gmail.com>
+
+       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  <jh@suse.cz>
+
+       PR middle-end/43391
+       * varasm.c (make_decl_rtl): Deal with COMMON flag to make
+       notice_global_symbol work.
+
+2010-03-27  Jakub Jelinek  <jakub@redhat.com>
+
+       * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
+       instead of dwarf2out_decl.
+       (struct var_loc_node): Remove section_label field.
+       (dwarf2out_function_decl): New function.
+       (dwarf2out_var_location): Don't set section_label field.
+       (dwarf2out_begin_function): Don't empty decl_loc_table here.
+
+2010-03-26  Michael Meissner  <meissner@linux.vnet.ibm.com>
+
+       PR tree-optimization/43544
+       * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
+       First argument for builtin vectorized function hook is now a
+       tree to be able to distinguish between machine specific and
+       standard builtins.
+       * targhooks.c (default_builtin_vectorized_function): Ditto.
+       * targhooks.h (default_builtin_vectorized_function): Ditto.
+       * target.h (struct gcc_target): Ditto.
+       * tree-vect-stmts.c (vectorizable_function): Ditto.
+       * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
+       * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
+       Ditto.
+
+2010-03-26  Joseph Myers  <joseph@codesourcery.com>
+
+       PR c/43381
+       * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
+       nested binding iff it is a FUNCTION_DECL.
+       (store_parm_decls_newstyle): Pass nested=true to bind for
+       FUNCTION_DECLs amongst parameters.
+
+2010-03-26  Jakub Jelinek  <jakub@redhat.com>
+
+       * var-tracking.c (vt_expand_loc_callback): Don't run
+       cselib_expand_value_rtx_cb in dummy mode if
+       cselib_dummy_expand_value_rtx_cb returned false.
+
+       * var-tracking.c (emit_note_insn_var_location): For one part
+       notes with offset 0, don't add EXPR_LIST around the location.
+       * dwarf2out.c (loc_descriptor, dw_loc_list_1,
+       add_location_or_const_value_attribute): Adjust for that change.
+
+       PR debug/43540
+       * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
+       into first operand and location into second.
+       (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
+       dw_cfi_oprnd_loc for DW_CFA_expression.
+       (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
+       (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
+       assume first argument is regnum and second argument is location.
+
+2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR target/42113
+       * config/alpha/alpha.md (*cmp_sadd_si): Change mode
+       of scratch register to DImode.  Split to DImode comparison operator.
+       Use SImode subreg of scratch register in the multiplication.
+       (*cmp_sadd_sidi): Ditto.
+       (*cmp_ssub_si): Ditto.
+       (*cmp_ssub_sidi): Ditto.
+
 2010-03-26  Uros Bizjak  <ubizjak@gmail.com>
 
        PR target/43524