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2010-02-11 Richard Guenther <rguenther@suse.de>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index 54ed530..1952f78 100644 (file)
@@ -1,3 +1,372 @@
+2010-02-11  Richard Guenther  <rguenther@suse.de>
+
+       PR driver/43021
+       * gcc.c (process_command): Handle LTO file@offset case more
+       appropriately.
+
+2010-02-11  Jakub Jelinek  <jakub@redhat.com>
+
+       * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
+       modifications outside of the DEBUG_INSN.  Accept CLOBBERs inside
+       of DEBUG_INSNs.
+       (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
+
+       * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
+       if MEM's mode size isn't DWARF2_ADDR_SIZE.
+       (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
+       Optimize eq/ne comparisons when both arguments are known to be
+       zero-extended.
+       (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
+       Don't mask operands unnecessarily if they are known to be already
+       zero-extended.
+
+2010-02-10  Vladimir Makarov  <vmakarov@redhat.com>
+
+       * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
+       instead of loop.
+
+2010-02-10  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/43017
+       * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
+       for wrapping signed arithmetic.
+
+2010-02-10  Jakub Jelinek  <jakub@redhat.com>
+
+       PR debug/43010
+       * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
+       if no debug info should be emitted for it.
+
+2010-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
+       note when flag_exceptions is set.
+
+2010-02-10  Duncan Sands  <baldrick@free.fr>
+
+       * Makefile.in (PLUGIN_HEADERS): Add debug.h.
+
+2010-02-10  Richard Guenther  <rguenther@suse.de>
+
+       PR c/43007
+       * tree.c (get_unwidened): Handle constants.
+       * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
+
+2010-02-10  Martin Jambor  <mjambor@suse.cz>
+
+       PR lto/42985
+       * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
+       check for variable argument counts independently.
+
+2010-02-10  Christian Bruel  <christian.bruel@st.com>
+
+       PR target/42841
+       * config/sh/sh.c (find_barrier): Increase length for non delayed
+       conditional branches.
+       
+2010-02-10  Christian Bruel  <christian.bruel@st.com>
+
+       * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
+       
+2010-02-10  Jakub Jelinek  <jakub@redhat.com>
+
+       * builtins.c (set_builtin_user_assembler_name): Also handle
+       ffs if int is smaller than word.
+
+2010-02-09  Vladimir Makarov  <vmakarov@redhat.com>
+
+       PR middle-end/42973
+       * ira-conflicts.c (get_dup): Remove.
+       (process_reg_shuffles): Add new parameter.  Use it as an
+       additional guard for copy generation.
+       (add_insn_allocno_copies): Rewrite.
+
+2010-02-09  Alexander Monakov  <amonakov@ispras.ru>
+
+       * common.opt (fsched2-use-traces): Preserved for backward
+       compatibility.
+       * doc/invoke.texi: Remove the documentation about option
+       -fsched2-use-traces.
+       * sched-rgn.c (rest_of_handle_sched2): Remove usage of
+       flag_sched2_use_traces.
+       * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
+       the backward compatibility flag section.
+
+2010-02-09  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/43008
+       * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
+       make HEAP variables initialized from global memory if they
+       are not known builtin functions.
+       (find_func_aliases): Adjust.
+
+2010-02-09  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/43000
+       * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
+       arithmetic manually.
+
+2010-02-08  Jakub Jelinek  <jakub@redhat.com>
+
+       PR tree-optimization/42931
+       * tree-loop-linear.c (try_interchange_loops): Don't call
+       double_int_mul if estimated_loop_iterations failed.
+
+2010-02-08  Martin Jambor  <mjambor@suse.cz>
+
+       PR middle-end/42898
+       * tree-sra.c (build_accesses_from_assign): Do not mark in
+       should_scalarize_away_bitmap if stmt has volatile ops.
+       (sra_modify_assign): Do not process assigns piecemeal if if stmt
+       has volatile ops.
+
+2010-02-08  Joern Rennecke  <joern.rennecke@embecosm.com>
+
+       * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
+
+2010-02-07  Adam Nemet  <adambnmet@gmail.com>
+
+       * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
+       before the pattern.
+
+2010-02-07  Andrew Pinski  <pinskia@gmail.com>
+
+       PR middle-end/42946
+       * df-core.c (df_finish_pass): Change type of saved_flags to int.
+
+2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
+
+       PR middle-end/42988
+       * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
+       to unknown_dependence.
+       (graphite_legal_transform_dr): Handle the unknown_dependence.
+       (graphite_carried_dependence_level_k): Same.
+
+2010-02-07  Sebastian Pop  <sebastian.pop@amd.com>
+
+       * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
+
+2010-02-07  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/42991
+       * expr.c (get_inner_reference): Always initialize *pbitsize.
+
+2010-02-07  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/42956
+       * gimplify.c (gimple_fold_indirect_ref): Avoid generating
+       new ARRAY_REFs on variable size element or minimal index arrays.
+       Complete.
+       * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
+       gimple_fold_indirect_ref.
+
+2010-02-06  Richard Earnshaw  <rearnsha@arm.com>
+
+       PR target/42957
+       * arm.c (arm_override_options): Just return if the user has specified
+       an invalid fpu name.
+
+2010-02-03  Jason Merrill  <jason@redhat.com>
+
+       PR c++/42870
+       * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
+       i386_pe_maybe_record_exported_symbol.
+
+2010-02-05  Steve Ellcey  <sje@cup.hp.com>
+
+       PR target/42924
+       * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
+       (pa_delegitimize_address): New function.
+
+2010-02-05  Ozkan Sezer  <sezeroz@gmail.com>
+
+       * config/i386/msformat-c.c (ms_printf_length_specs): Set the
+       scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
+
+2010-02-05  Richard Guenther  <rguenther@suse.de>
+
+       PR lto/42762
+       * lto-streamer-in.c (get_resolution): Deal with references
+       to undefined functions.
+
+2010-02-05  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-ccp.c (get_symbol_constant_value): Strip all
+       conversions.
+       (fold_const_aggregate_ref): Likewise.
+       (ccp_fold_stmt): Substitute loads.
+       (maybe_fold_reference): Verify types before substituting.
+       Unshare properly.
+       (fold_gimple_assign): Unshare properly.
+       (fold_stmt_1): Insert conversion if necessary before replacing
+       the RHS.
+
+2010-02-05  Nathan Froyd  <froydnj@codesourcery.com>
+
+       * config/rs6000/rs6000.c (rs6000_override_options): Invert check
+       for rs6000_gen_cell_microcode.
+
+2010-02-04  Richard Guenther  <rguenther@suse.de>
+
+       PR rtl-optimization/42952
+       * dse.c (const_or_frame_p): Remove MEM handling.
+
+2010-02-04  Nick Clifton  <nickc@redhat.com>
+
+       * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
+       (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
+       (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
+       (mn10300_asm_output_mi_thunk): New function.
+       (mn10300_can_output_mu_thunk): New function.
+       * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
+       (FUNCTION_ARG_REGNO_P): Fix comment.  Accept d0 and d1.
+       (FUNCTION_ARG): Delete incorrect comment.
+
+2010-02-03  Jason Merrill  <jason@redhat.com>
+
+       PR c++/40138
+       * fold-const.c (operand_equal_p): Handle erroneous types.
+
+2010-02-03  Kaushik Phatak  <kaushik.phatak@kpitcummins.com>
+
+       * config/h8300/h8300.md (can_delay): Fix attibute condition.
+
+2010-02-03  Vladimir Makarov  <vmakarov@redhat.com>
+
+       PR rtl-optimization/42941
+       * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
+       of xmalloc.
+
+2010-02-03  Jason Merrill  <jason@redhat.com>
+
+       PR c++/35652
+       * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
+
+2010-02-03  Alexandre Oliva  <aoliva@redhat.com>
+
+       PR debug/42896
+       * cselib.h (struct cselib_val_struct): Add uid.  Rename value to
+       hash.
+       (cselib_reset_table): Renamed from...
+       (cselib_reset_table_with_next_value): ... this.
+       (cselib_get_next_uid): Renamed from...
+       (cselib_get_next_unknown_value): ... this.
+       * cselib.c (next_uid): Renamed from...
+       (next_unknown_value): ... this.
+       (cselib_clear_table): Adjust.
+       (cselib_reset_table): Adjust.  Renamed from...
+       (cselib_reset_table_with_next_value): ... this.
+       (cselib_get_next_uid): Adjust.  Renamed from...
+       (cselib_get_next_unknown_value): ... this.
+       (get_value_hash): Use hash.
+       (cselib_hash_rtx): Likewise.
+       (new_cselib_val): Adjust.  Set and dump uid.
+       (cselib_lookup_mem): Pass next_uid as hash.
+       (cselib_subst_to_values): Likewise.
+       (cselib_log_lookup): Dump uid.
+       (cselib_lookup): Pass next_uid as hash.  Adjust.
+       (cselib_process_insn): Adjust.
+       (cselib_init): Initialize next_uid.
+       (cselib_finish): Adjust.
+       (dump_cselib_table): Likewise.
+       * dse.c (canon_address): Dump value uid.
+       * print-rtl.c (print_rtx): Print value uid.
+       * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
+       (dvuid): New type.
+       (dv_uid): New function, sort of renamed from...
+       (dv_htab_hash): ... this, reimplemented in terms of it and...
+       (dv_uid2hash): ... this.  New.
+       (variable_htab_eq): Drop excess assertions.
+       (tie_break_pointers): Removed.
+       (canon_value_cmp): Compare uids.
+       (variable_post_merge_New_vals): Print uids.
+       (vt_add_function_parameters): Adjust.
+       (vt_initialize): Reset table.  Adjust.
+
+2010-02-03  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/42944
+       * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle
+       calloc.
+       (call_may_clobber_ref_p_1): Likewise.  Properly handle
+       malloc and calloc clobbering errno.
+
+2010-02-03  Steven Bosscher  <steven@gcc.gnu.org>
+
+       * doc/invoke.texi: Fix name of sched1 dump.
+
+       * opts.c (decode_options): Set flag_tree_switch_conversion
+       only conditionally on optimize >= 2.
+
+       * gcse.c: Assorted comment fixes in pass description.
+
+2010-02-03  Anthony Green  <green@moxielogic.com>
+
+       * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
+       nop padding in order to maintain alignment of storage location of
+       target function address.
+       (moxie_trampoline_init): Store target function address at newly
+       aligned location.
+       * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
+       to 32.
+       (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
+
+2010-02-03  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/42927
+       * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
+
+2010-02-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       * config.gcc: Reenable check for obsolete targets.
+       Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
+       mips-sgi-irix6.[0-4]*.
+
+2010-02-02  Nick Clifton  <nickc@redhat.com>
+
+       * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
+       constant size of 4 as being the same as 0.
+       * doc/invoke.texi (RX Options): Document that -mmax-constant-size
+       can take values in the range 0..4.
+
+2010-02-02  Jack Howarth  <howarth@bromo.med.uc.edu>
+
+       PR java/41991
+       * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
+       as _darwin10_Unwind_FindEnclosingFunction().
+       * libgcc-libsystem.ver: New.
+
+2010-02-01  Vladimir Makarov  <vmakarov@redhat.com>
+
+       PR target/41399
+       * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
+       implicitly set registers.
+
+2010-02-01  Richard Earnshaw  <rearnsha@arm.com>
+
+       * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
+       (arm_override_options): Allow automatic selection of the thread
+       pointer register if thumb2.
+       (legitimize_pic_address): Improve code sequences for Thumb2.
+       (arm_call_tls_get_addr): Likewise.
+       (legitimize_tls_address): Likewise.
+       * arm.md (pic_load_addr_arm): Delete.  Replace with ...
+       (pic_load_addr_32bit): ... this.  New named pattern.
+       * thumb2.md (pic_load_addr_thumb2): Delete.
+       (pic_load_dot_plus_four): Delete.
+       (tls_load_dot_plus_four): New named pattern.
+
+2010-02-01  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+       PR libgomp/29986
+       * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
+       Document fix for TLS bug.
+
+2010-01-31  Richard Guenther  <rguenther@suse.de>
+
+       * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
+       conservatively correct.
+
 2010-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
 
        PR target/42850