+2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
+ relocation and relocation stubs.
+
+2006-05-08 Eric Christopher <echristo@apple.com>
+
+ * unwind-dw2-fde-darwin.c (examine_objects): Only check data
+ section for ppc.
+
+2006-05-08 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/25962
+ * cgraphunit.c (decide_is_function_needed): When not optimizing even
+ unused static functions are needed.
+
+2006-05-08 Roger Sayle <roger@eyesopen.com>
+
+ PR target/27158
+ * reload.c (find_reloads_toplev): Only return the simplified SUBREG
+ of a reg_equiv_constant if the result is a legitimate constant.
+
+2006-05-08 Uros Bizjak <uros@kss-loka.si>
+
+ PR target/27277
+ * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
+ standard 80387 constants, raise the cost to prevent
+ compress_float_constant() to generate load from memory.
+
+2006-05-08 Kazu Hirata <kazu@codesourcery.com>
+
+ * config/arm/constraints.md (c): Fix a typo.
+
+ * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
+ typos.
+
+2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR target/24879
+ * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
+ inline function.
+ (_mm_mwait): Likewise.
+
+ * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
+ "mwait".
+ (sse3_monitor): Make it 32bit only.
+ (sse3_monitor64): New. 64bit monitor.
+
+2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
+
+ PR target/27421
+ * config/i386/i386.c (classify_argument): Skip fields with invalid
+ types.
+
+2006-05-07 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/27409
+ * tree-ssa-structalias.c (get_constraint_for_component_ref):
+ Do not try to find zero-sized subvars.
+
+2006-05-07 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/27136
+ * tree-ssa-loop-niter.c (get_val_for): Correct function
+ comment, assert requirements.
+ (loop_niter_by_eval): Stop processing if the iterated
+ value did not simplify.
+
+2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
+
+ * opts.c (flag_see): remove its setting at -O3.
+
+2006-05-07 Richard Earnshaw <rearnsha@arm.com>
+
+ * genpeep.c (main): Make insn-peep.c depend on flags.h.
+ * arm/constraints.md: New file.
+ * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
+ (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
+ (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
+ (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
+ (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
+ (EXTRA_MEMORY_CONSTRAINT): Likewise.
+ * arm.md: Include constraints.md.
+ (thumb_movsi_insn): Use satisfies_constraint_J.
+ (movhi, movqi): Use satisfies_constraint_I.
+
+2006-04-29 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
+ for atmeg a645 device.
+
+2006-05-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/27151
+ * tree-vect-transform.c (vectorizable_condition): Punt on
+ values that have a different type than the condition.
+
+2006-05-03 Aldy Hernandez <aldyh@redhat.com>
+
+ PR/21391
+ * c-parser.c (c_parser_cast_expression): Only insert casts into
+ hash table if pointer.
+ * function.c (used_types_insert_helper): Rename from
+ used_types_insert.
+ (used_types_insert): Call used_types_insert_helper.
+ * function.h (used_types_insert): Accept only one argument.
+
+2006-05-05 David Edelsohn <edesohn@gnu.org>
+
+ * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
+ scratch with output modifier.
+
+2006-05-04 David Edelsohn <edelsohn@gnu.org>
+
+ PR target/26481
+ * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
+ with output modifier.
+
+2006-05-04 Richard Sandiford <richard@codesourcery.com>
+
+ PR target/26765
+ * config/mips/mips.c (mips_symbolic_address_p): Return true
+ for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
+ SYMBOL_GOTTPREL, and SYMBOL_TLS.
+
+2006-05-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/14287
+ PR tree-optimization/14844
+ PR tree-optimization/19792
+ PR tree-optimization/21608
+ PR tree-optimization/27090
+ * tree-ssa-pre.c (try_combine_conversion): New function.
+ (compute_avail): After constructing the value-handle
+ expression, use try_combine_conversion to combine NOP_EXPRs
+ with previous value-handle expressions and use the result if it
+ is available.
+
+2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
+
+ * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
+
+2006-05-04 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/25962
+ * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
+
+2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * config/bfin/predicates.md (const01_rtx): Tell generator programs
+ that this only matches CONST_INTs. All users changed to VOIDmode
+ operands.
+
+ * config/bfin/bfin.c: Include "optabs.h".
+ (bfin_rtx_costs): Some costs for vector operations, to allow combine
+ to do more work.
+ (enum bfin_builtins): Add a number of fractional and vector builtins.
+ (bfin_init_builtins): Likewise.
+ (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
+ (safe_vector_operand, bfin_expand_binop_builtin,
+ bfin_expand_unop_builtin): New functions.
+ (bfin_expand_builtin): Handle the new builtins.
+ * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
+ __ADSPBLACKFIN__.
+
+2006-05-04 Leehod Baruch <leehod@il.ibm.com>
+
+ * see.c: New file.
+ * Makefile.in (OBJS-common): Add see.o.
+ (see.o): Add dependencies.
+ * common.opt (fsee): New flag for the see optimization was added.
+ * opts.c (flag_see): Initialized.
+ * passes.c (init_optimization_passes, pass_see): New pass.
+ * rtl.h (see_main): Declaration as extern.
+ * timevar.def (TV_SEE): New.
+ * tree-pass.h (pass_see): Declaration as extern.
+ * invoke.texi (-fsee): Document.
+ * recog.c (validate_simplify_insn): New function.
+ * recog.h (validate_simplify_insn): Declaration as extern.
+ * df-problems.c (df_chain_dump): Check for NULL.
+
+2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
+ Daniel Berlin <dberlin@dberlin.org>
+
+ * cfgrtl.c (insert_insn_bb_end_new): New function.
+ * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
+
+2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
+
+ * df.h (struct web_entry): Moved from web.c.
+ (union_defs): Declaration as extern.
+ (unionfind_root): Likewise.
+ (unionfind_union): Likewise.
+ * web.c (struct web_entry): Moved to df.h.
+ (unionfind_root): Remove static declaration.
+ (unionfind_union): Likewise.
+ (union_defs): Likewise and generalize to use callback function.
+ (web_main): Update arguments for union_defs function call.
+
+2006-05-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/26447
+ * tree-ssa-pre.c (realify_fake_stores): For necessary loads
+ produce SSA_NAME copies before the store stmt to avoid
+ breaking exception handling.
+
+2006-05-04 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/27388
+ * gimplify.c (omp_is_private): If var is shared in some outer context,
+ return false instead of true. Stop searching on parallel context
+ boundary.
+
+2006-05-03 Alexandre Oliva <aoliva@redhat.com>
+
+ PR java/8260
+ * coverage.c: Use get_gcov_unsigned_t() instead of
+ unsigned_type_node all over.
+
+2006-05-02 Andrew MacLeod <amacleod@redhat.com>
+
+ PR tree-optimization/27381
+ * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
+ maintain the same immediate_use links.
+ * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
+ node rather than segfaulting.
+
+2006-05-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR fortran/27395
+ * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
+ rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
+ bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
+
+2006-05-02 Daniel Berlin <dberlin@dberlin.org>
+
+ Fix PR tree-optimization/26626
+ * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
+ always.
+ * tree-ssa-operands.c (access_can_touch_variable): Allow
+ typecasting through union pointers.
+
+2006-05-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR c++/26943
+ * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
+ (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
+ to find if var will be a global variable even in the nested context.
+ (omp_copy_decl): Only check for global variable at the end, it might
+ be overridden in outer contexts.
+ (scan_sharing_clauses): For global variables don't create a field.
+ (lower_rec_input_clauses): Do nothing for global shared variables.
+ Emit a barrier at the end of ILIST if there were any decls in both
+ firstprivate and lastprivate clauses.
+ (lower_send_clauses): Do nothing for global variables except for
+ COPYIN.
+
+2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree.c (unsigned_type_for, signed_type_for): Make sure a type
+ of the correct signedness is returned.
+
+2006-05-02 Jeff Law <law@redhat.com>
+
+ PR tree-optimization/27364
+ * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
+ multiply expressions.
+
+2006-05-02 Tom Tromey <tromey@redhat.com>
+
+ * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
+
+2006-05-02 Kazu Hirata <kazu@codesourcery.com>
+
+ PR target/27387
+ * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
+ -mthumb -fPIC are used.
+
+2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
+ Joshua Kinard <kumba@gentoo.org>
+
+ PR target/25871
+ * gcc/config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
+ with 64-bit pointers.
+
+2006-05-02 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (add_minipool_forward_ref): Check if insn
+ and pool overlap.
+ (create_fix_barrier): Check that a suitable barrier location is
+ found.
+ (arm_reorg): Include ftmp->address in allowable range of addresses.
+
+2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
+
+ PR ada/27366
+ * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
+ on Cygwin.
+
+2006-05-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/27337
+ * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
+ around RESULT_DECL for result passed by reference.
+ (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
+ * omp-low.c (use_pointer_for_field): Don't look at
+ DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
+ (scan_omp_1): Call remap_decl on RESULT_DECLs.
+ (lower_rec_input_clauses): Don't allocate VLA memory for the second
+ time or var for passing by reference for
+ OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
+ TREE_ADDRESSABLE variables when passing by reference.
+
+ * omp-low.c (dump_omp_region): Fix output formatting.
+
+ PR middle-end/27328
+ * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
+ (expand_omp_parallel): Likewise.
+ * tree-cfg.c (move_sese_region_to_fn): Likewise.
+
+ PR middle-end/27325
+ * omp-low.c (lower_omp_sections): Call maybe_catch_exception
+ on statement list containing also constructors and destructors.
+ (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
+
+ PR middle-end/27310
+ * except.c (duplicate_eh_regions): Fix clearing of
+ cfun->eh->region_array entries.
+
+2006-05-01 DJ Delorie <dj@redhat.com>
+
+ * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
+ build!=host.
+ (gcc_cv_objdump): Likewise.
+ * configure: Regenerated.
+
+2006-05-01 Kazu Hirata <kazu@codesourcery.com>
+
+ PR target/27374
+ * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
+ templates for case 3 and 4.
+
+2006-05-01 DJ Delorie <dj@redhat.com>
+
+ * vec.c: Include bconfig.h when appropriate.
+ * Makefile.in (build/vec.o): Adjust dependencies.
+ * mkconfig.sh: Make sure config.h isn't used for build machine
+ compiles.
+
+2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
+ variables.
+ (mark_phi_for_rewrite): New function.
+ (insert_phi_nodes_for, mark_use_interesting): Call
+ mark_phi_for_rewrite.
+ (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
+ (update_ssa): Initialize and free phis_to_rewrite.
+
+2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/27291
+ * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
+ folded to a constant.
+
+2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/27283
+ * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
+ not whole # of iteration descriptions.
+ (niter_for_exit): Return just # of iterations. Fail if # of iterations
+ uses abnormal ssa name.
+ (niter_for_single_dom_exit): Ditto.
+ (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
+ return just the number of iterations.
+
+2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/27144
+ * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
+ (record_estimate): Only record constant upper bound.
+ (infer_loop_bounds_from_undefined): Call
+ compute_estimated_nb_iterations just once.
+ (proved_non_wrapping_p): Renamed to ...
+ (n_of_executions_at_most): ... this. Expect bound to be a constant.
+ (convert_step_widening, scev_probably_wraps_p): Call
+ n_of_executions_at_most instead of proved_non_wrapping_p.
+ (substitute_in_loop_info): Do not replace values in bounds.
+ * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
+ comments.
+
+2006-05-01 Richard Henderson <rth@redhat.com>
+
+ PR c/27358
+ * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
+ c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
+ CPP_PRAGMA.
+
+2006-05-01 Roger Sayle <roger@eyesopen.com>
+
+ * c-typeck.c (parser_build_binary_op): Don't call the function
+ unsigned_conversion_warning to spot operand/result type overflow.
+ (build_binary_op): Instead, call convert_and_check instead of
+ convert to report the problem when the operands are promoted.
+ * c-common.c (unsigned_conversion_warning): Make static.
+ * c-common.h (unsigned_conversion_warning): Delete prototype.
+
+2006-05-01 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/26726
+ * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
+ problem ...
+ (find_interesting_uses_address): ... we work around here
+ by folding INDIRECT_REFs in the substituted base.
+
+2006-05-01 Diego Novillo <dnovillo@redhat.com>
+
+ * omp-low.c (dump_omp_region): Add newlines.
+
2006-04-30 Roger Sayle <roger@eyesopen.com>
* common.opt (Woverflow): New command line option.
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