OSDN Git Service

2008-05-20 Sebastian Pop <sebastian.pop@amd.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
index c39de0f..65cb134 100644 (file)
@@ -1,3 +1,511 @@
+2008-05-20  Sebastian Pop  <sebastian.pop@amd.com>
+           Jan Sjodin  <jan.sjodin@amd.com>
+
+       PR tree-optimization/36181
+       * tree-parloops.c (loop_has_vector_phi_nodes): New.
+       (parallelize_loops): Don't parallelize when the loop has vector
+       phi nodes.
+
+2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
+           Sebastian Pop  <sebastian.pop@amd.com>
+
+       * tree-loop-linear.c (gather_interchange_stats): Look in the access matrix,
+       and never look at the tree representation of the memory accesses.
+       (linear_transform_loops): Computes parameters and access matrices.
+       * tree-data-ref.c (compute_data_dependences_for_loop): Returns false when fails.
+       (access_matrix_get_index_for_parameter): New.
+       * tree-data-ref.h (struct access_matrix): New.
+       (AM_LOOP_NEST_NUM, AM_NB_INDUCTION_VARS, AM_PARAMETERS, AM_MATRIX,
+       AM_NB_PARAMETERS, AM_CONST_COLUMN_INDEX, AM_NB_COLUMNS,
+       AM_GET_SUBSCRIPT_ACCESS_VECTOR, AM_GET_ACCESS_MATRIX_ELEMENT,
+       am_vector_index_for_loop): New.
+       (struct data_reference): Add field access_matrix.
+       (DR_ACCESS_MATRIX): New.
+       (compute_data_dependences_for_loop): Update declaration.
+       (lambda_collect_parameters, lambda_compute_access_matrices): Declared.
+       * lambda.h (lambda_vector_vec_p): Declared.
+       * lambda-code.c: Depend on pointer-set.h.
+       (lambda_collect_parameters_from_af, lambda_collect_parameters,
+       av_for_af_base, av_for_af, build_access_matrix,
+       lambda_compute_access_matrices): New.
+       * Makefile.in (lambda-code.o): Depend on pointer-set.h.
+
+2008-05-20  Joseph Myers  <joseph@codesourcery.com>
+
+       * doc/install.texi2html: Generate gcc-vers.texi in $DESTDIR not
+       $SOURCEDIR/include.
+
+2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
+           Sebastian Pop  <sebastian.pop@amd.com>
+
+       PR tree-optimization/36206
+       * tree-scalar-evolution.c: Remove enum INSERT_SUPERLOOP_CHRECS,
+       FOLD_CONVERSIONS.
+       (instantiate_scev_1): Rename flags to fold_conversions.
+       Do not check for INSERT_SUPERLOOP_CHRECS, keep SSA_NAMEs defined
+       outeside instantiation_loop.
+       * tree-chrec.h (evolution_function_is_affine_in_loop): New.
+       (evolution_function_is_affine_or_constant_p): Removed.
+       * tree-data-ref.c (dr_analyze_indices): Replace resolve_mixers with
+       instantiate_scev.
+       (analyze_siv_subscript): Pass in the loop nest number.
+       Call evolution_function_is_affine_in_loop instead of 
+       evolution_function_is_affine_p.
+       (analyze_overlapping_iterations): Pass in the loop nest number.
+
+2008-05-20  Jan Sjodin  <jan.sjodin@amd.com>
+           Sebastian Pop  <sebastian.pop@amd.com>
+
+       PR tree-optimization/36206
+       * tree-chrec.h (chrec_fold_op): New.
+       * tree-data-ref.c (initialize_matrix_A): Traverse NOP_EXPR, PLUS_EXPR, and
+       other trees.
+
+2008-05-20  Nathan Sidwell  <nathan@codesourcery.com>
+
+       * c-incpath.c (INO_T_EQ): Do not define on non-inode systems.
+       (DIRS_EQ): New.
+       (remove_duplicates): Do not set inode on non-inode systems.  Use
+       DIRS_EQ.
+
+2008-05-20  Sandra Loosemore  <sandra@codesourcery.com>
+
+       * config.gcc (tm_file): Update comments about relative pathnames.
+
+2008-05-20  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-reassoc.c (fini_reassoc): Use the statistics
+       infrastructure.
+       * tree-ssa-sccvn.c (process_scc): Likewise.
+       * tree-ssa-sink.c (execute_sink_code): Likewise.
+       * tree-ssa-threadupdate.c (thread_through_all_blocks): Likewise.
+       * tree-vrp.c (process_assert_insertions): Likewise.
+       * tree-ssa-dce.c (eliminate_unnecessary_stmts): Likewise.
+       (perform_tree_ssa_dce): Likewise.
+       * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
+       (dump_dominator_optimization_stats): Likewise.
+       * tree-vectorizer.c (vectorize_loops): Likewise.
+
+2008-05-20  Richard Guenther  <rguenther@suse.de>
+
+       * tree-vn.c (vn_lookup_with_vuses): Do not use the alias oracle.
+
+2008-05-20  Kai Tietz  <kai.tietz@onevision.com>
+
+       * config/i386/i386-protos.h (ix86_return_in_memory): Removed.
+       (ix86_i386elf_return_in_memory): Likewise.
+       (ix86_i386interix_return_in_memory): Likewise.
+       * config/i386/i386-interix.h (TARGET_RETURN_IN_MEMORY): Removed.
+       (SUBTARGET_RETURN_IN_MEMORY): New.
+       * config/i386/i386elf.h: Likewise.
+       * config/i386/ptx4-i.h: Likewise.
+       * config/i386/sol2-10.h: Likewise.
+       * config/i386/sysv4.h: Likewise.
+       * config/i386/vx-common.h: Likewise.
+       * config/i386/i386.h (TARGET_RETURN_IN_MEMORY): Removed.
+       * config/i386/i386.c (ix86_return_in_memory): Made static and
+       make use of optional SUBTARGET_RETURN_IN_MEMORY macro.
+       (ix86_i386elf_return_in_memory): Removed.
+       (ix86_i386interix_return_in_memory): Removed.
+       (TARGET_RETURN_IN_MEMORY): Declared within i386.c only.
+       * target-def.h (TARGET_RETURN_IN_MEMORY): Remove protection #ifdef.
+
+2008-05-20  Alexandre Oliva  <aoliva@redhat.com>
+
+       * cselib.c (cselib_record_sets): Use correct mode for IF_THEN_ELSE.
+
+2008-05-19  Xinliang David Li  <davidxl@google.com>
+
+       * tree-ssa-dce.c: Revert patches of 2008-05-17 and 2008-05-18. 
+       * opts.c: Ditto.
+       * common.opt: Ditto.
+       * doc/invoke.texi: Ditto.
+
+2008-05-19  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * tree.c (substitute_in_expr) <tcc_vl_exp>: Fix thinko.
+       (substitute_placeholder_in_expr) <tcc_vl_exp>: Minor tweak.
+
+2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/i386.c (ix86_expand_vector_init_concat): Change
+       sizes of operand array from 8/4 to 4/2.
+       (ix86_expand_vector_init_general): Change size of operand array
+       from 32 to 16.  Remove op0, op1 and half_mode.
+
+2008-05-19  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/i386.c (ix86_expand_vector_init_concat): New.
+       (ix86_expand_vector_init_interleave): Likewise.
+       (ix86_expand_vector_init_general): Use them.  Assert word_mode
+       == SImode when n_words == 4.
+
+2008-05-19  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/i386.c (ix86_secondary_reload): New static function.
+       (TARGET_SECONDARY_RELOAD): New define.
+       * config/i386/i386.h (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
+       * config/i386/i386.md (reload_outqi): Remove.
+
+2008-05-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
+
+       PR middle-end/35509
+       * builtins.c (mathfn_built_in_1): Renamed from mathfn_built_in.
+       Add `implicit' parameter.  Handle BUILT_IN_SIGNBIT.
+       (mathfn_built_in): Rewrite in terms of mathfn_built_in_1.
+       (fold_builtin_classify): Handle BUILT_IN_ISINF_SIGN.
+       (fold_builtin_1): Likewise.
+       * builtins.def (BUILT_IN_ISINF_SIGN): New.
+       c-common.c (check_builtin_function_arguments): Handle
+       BUILT_IN_ISINF_SIGN.
+       * doc/extend.texi: Document __builtin_isinf_sign.
+       * fold-const.c (operand_equal_p): Handle COND_EXPR.
+
+2008-05-18  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * tree-ssa-dom.c (tree_ssa_dominator_optimize): If some blocks need
+       EH cleanup at the end of the pass, search for those that have been
+       turned into forwarder blocks and do the cleanup on their successor.
+
+2008-05-18  Richard Guenther  <rguenther@suse.de>
+
+       * tree-cfg.c (verify_gimple_expr): Allow conversions from
+       pointers to sizetype and vice versa.
+
+2008-05-18 Xinliang David Li   <davidxl@google.com>
+
+       * gcc/tree-ssa-dce.c: Coding style fix.
+       (check_pow): Documentation comment. 
+       (check_log): Documenation comment. Coding style fix.
+       (is_unnecessary_except_errno_call): Ditto.
+       (gen_conditions_for_pow): Ditto.
+       (gen_conditions_for_log): Ditto.
+       (gen_shrink_wrap_conditions): Ditto.
+       (shrink_wrap_one_built_in_calls): Ditto.
+       * gcc/doc/invoke.texi: Better documentation string.
+       * ChangeLog: Fix wrong change log entries from 
+       May 17 checkin on function call DCE.
+
+2008-05-17  Kaz Kojima  <kkojima@gcc.gnu.org>
+
+       * config/sh/sh.c (sh_output_mi_thunk): Update the use of init_flow.
+
+2008-05-17  Kenneth Zadeck <zadeck@naturalbridge.com>
+
+       * doc/rtl.texi (RTL_CONST_CALL_P, RTL_PURE_CALL_P): Fixed typos.
+       * df-problems.c (simulation routines): Fixed block comment to
+       properly say how to add forwards scanning functions.
+       
+2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * tree-inline.c (setup_one_parameter): Remove dead code.
+
+2008-05-17  Eric Botcazou  <ebotcazou@adacore.com>
+
+       * fold-const.c (fold_unary) <CASE_CONVERT>: Fold the cast into
+       a BIT_AND_EXPR only for an INTEGER_TYPE.
+
+2008-05-17 Xinliang David Li   <davidxl@google.com>
+
+       * gcc/tree-ssa-dce.c (cond_dead_built_in_calls): New static variable.
+       (check_pow, check_log, is_unnecessary_except_errno_call): New 
+       functions to check for eliminating math functions that are pure 
+       except for setting errno.
+       (gen_conditions_for_pow, gen_conditionas_for_log): New functions to
+       general condition expressions for shrink-wrapping pow/log calls.
+       (gen_shrink_wrap_conditions): Ditto.
+       (shrink_wrap_one_built_in_call): Ditto.
+       (shrink_wrap_conditional_dead_built_in_calls): Ditto.
+       (mark_operand_necessary): If debugging, output if OP is necessary.
+       (eliminate_unnecessary_stmts): Eliminate pow, log calls that are
+       unnecessary.
+       * gcc/opts.c (decode_options): set flag_tree_builtin_dce to 1 when
+       opt level >= 2.
+       * gcc/common.opt: New user flag -ftree-builtin-dce.
+       * gcc/doc/invoke.texi (-ftree-builtin-dce): New option.
+
+2008-05-16  David S. Miller  <davem@davemloft.net>
+
+       * config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before overriding.
+       * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
+
+2008-05-16  Uros Bizjak  <ubizjak@gmail.com>
+
+       PR target/36246
+       * config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): New define.
+
+2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
+
+       * ifcvt.c (dead_or_predicable): Rename
+       df_simulate_one_insn_backwards to df_simulate_one_insn.
+       * recog.c (peephole2_optimize): Ditto.
+       * rtl-factoring.c (collect_pattern_seqs, clear_regs_live_in_seq):
+       Ditto.
+       * df.h: Rename df_simulate_one_insn_backwards to
+       df_simulate_one_insn.  and delete df_simulate_one_insn_forwards.
+       * df-problems.c (df_simulate_artificial_refs_at_top) Reversed
+       scanning of defs and uses.
+       (df_simulate_one_insn_backwards): Renamed to df_simulate_one_insn.
+       (df_simulate_one_insn_forwards): Removed.
+
+2008-05-16  Doug Kwan  <dougkwan@google.com>
+
+       * real.c (real_to_decimal, real_to_hexadecimal): Distinguish
+       QNaN & SNaN.
+       (real_from_string): Handle NaNs and Inf as approriate.
+
+2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
+
+       * doc/gty.texi (Source Files Containing Type Information): Note
+       that headers should appear first in the gtfiles list.
+
+2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
+
+       * tree.def (COND_EXEC): Properly documented this code.
+
+2008-05-16  Diego Novillo  <dnovillo@google.com>
+
+       * dwarf2asm.c (dw2_assemble_integer): Clarify comment.
+       * tree-nested.c (get_trampoline_type): Set DECL_CONTEXT for
+       the new field.
+
+2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
+
+       * tree-ssa-dse (max_stmt_uid): Removed.
+       (get_stmt_uid, dse_possible_dead_store_p, dse_optimize_stmt, 
+       tree_ssa_dse): Encapsulate all uses of stmt_ann->uid.
+       * tree-ssa-sccvn.c (compare_ops, init_scc_vn): Ditto.
+       * function.h (cfun.last_stmt_uid): New field.
+       * tree-flow-inline.h (set_gimple_stmt_uid, gimple_stmt_uid,
+       gimple_stmt_max_uid, set_gimple_stmt_max_uid, inc_gimple_stmt_max_uid):
+       New functions.
+       * tree-dfa.c (renumber_gimple_stmt_uids): New function.
+       (create_stmt_ann): Initialize the ann->uid field.
+       * tree-ssa-pre.c (compute_avail): Encapsulate the stmt_ann->uid
+       with new calls.
+       * tree-flow.h (renumber_gimple_stmt_uids): New function.
+
+2008-05-16  Nathan Froyd  <froydnj@codesourcery.com>
+
+       * tree-flow.h (init_empty_tree_cfg_for_function): Declare.
+       * tree-cfg.c (init_empty_tree_cfg_for_function): Define.
+       (init_empty_tree_cfg): Call it.
+
+2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
+
+       * cfg.c (init_flow): Add argument THE_FUN.  Use it instead of cfun.
+       Update all users.
+
+2008-05-16  Kenneth Zadeck <zadeck@naturalbridge.com>
+
+       * doc/invoke.text (-fdump-tree-*-verbose): New option.
+       * tree-dump.c (dump_options): New verbose option.
+       * tree-pretty-print.c (dump_phi_nodes, dump_generic_bb_buff):
+       Add verbose dump.
+       * tree-pass.h (TDF_VERBOSE): New dump flag.
+       * print-tree.c (print_node): Added code to be able to print PHI_NODES.
+       (tree-flow.h): Added include.
+       * Makefile.in (print-tree.o):  Added TREE_FLOW_H.
+
+2008-05-16  Bernd Schmidt  <bernd.schmidt@analog.com>
+
+       * config/bfin/bfin.c (bfin_discover_loops): Delete empty loops.
+
+       From Jie Zhang  <jie.zhang@analog.com>
+       * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
+       MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Remove mcpu=bf532-0.3,
+       mcpu=bf561-none and mcpu=bf561-0.2.
+       * config/bfin/t-bfin-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
+       MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
+       * config/bfin/t-bfin-linux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES,
+       MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Likewise.
+       * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add BFIN_CPU_UNKNOWN.
+       * config/bfin/elf.h (STARTFILE_SPEC): Use specific CRT for BF561.
+       (LIB_SPEC): Use proper linker script for bf561.  Error if no mcpu
+       option.
+       * config/bfin/bfin.c (bfin_cpu_type): Set to BFIN_CPU_UNKNOWN.
+       (cputype_selected): Remove.
+       (bfin_handle_option): Don't use cputype_selected.
+       (override_options): When no mcpu option, enable all workarounds.
+       Don't use bfin_workarounds.
+       * config/bfin/bfin.h (DRIVER_SELF_SPECS): Don't set default
+       processor type.
+       (DEFAULT_CPU_TYPE): Don't define.
+
+2008-05-16  Richard Guenther  <rguenther@suse.de>
+
+       * tree-ssa-propagate.c (substitute_and_fold): Fix stmt walking
+       on deletion of the last stmt.
+
+2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/i386.c (ix86_expand_vector_init_general): Optimize
+       V8HImode for SSE2 and V16QImode for SSE4.1.
+
+2008-05-15  Kenneth Zadeck <zadeck@naturalbridge.com>
+
+       * cgraph.h (compute_inline_parameters): Made public.
+       * tree-pass.h (ipa_opt_pass): Removed function_generate_summary,
+       variable_generate_summary, function_write_summary,
+       variable_write_summary, variable_read_summary.  Added generate_summary,
+       write_summary, read_summary.
+       * cgraphunit.c (cgraph_process_new_functions): Changed call from
+       pass_ipa_inline.function_generate_summary, to
+       compute_inline_parameters. 
+       * ipa-inline.c (compute_inline_parameters): Made public and added
+       node parameter.
+       (compute_inline_parameters_for_current): New function.
+       (pass_inline_param): Now calls compute_inline_parameters_for_current.
+       (inline_generate_summary): Removed parameter and made to loop over
+       all cgraph nodes.
+       (pass_ipa_inline): Updated for new IPA_PASS structure.
+       * passes.c (execute_ipa_summary_passes): Now is called once per
+       pass rather than once per node*pass.
+       
+2008-05-15  Anatoly Sokolov <aesok@post.ru>
+
+       * config/avr/avr.c (avr_base_arch_macro, avr_have_movw_lpmx_p, 
+       avr_have_mul_p, avr_asm_only_p): Remove variables.
+       (avr_override_options): Remove initialization of removed variables.
+       (avr_file_start):  Convert removed variables to fields of 
+       'struct base_arch_s *avr_current_arch'. 
+       * config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): (Ditto.).
+       (AVR_HAVE_MUL): (Ditto.).
+       (AVR_HAVE_MOVW): (Ditto.).
+       (AVR_HAVE_LPMX): (Ditto.). 
+       (avr_base_arch_macro, avr_have_movw_lpmx_p, avr_have_mul_p, 
+       avr_asm_only_p): Remove declaration.
+
+2008-05-15  Diego Novillo  <dnovillo@google.com>
+
+       * config/arm/arm.c (arm_return_in_memory): Fix return type.
+       * config/arm/arm-protos.h (arm_return_in_memory): Likewise.
+
+2008-05-15  Adam Nemet  <anemet@caviumnetworks.com>
+
+       PR middle-end/36194
+       * combine.c (check_conversion): Rename back to check_promoted_subreg.
+       Don't call record_truncated_value from here.
+       (record_truncated_value): Turn it into a for_each_rtx callback.
+       (record_truncated_values): New function.
+       (combine_instructions): Call note_uses with record_truncated_values.
+       Change name of check_conversion to check_promoted_subreg. 
+
+2008-05-15  Janis Johnson  <janis187@us.ibm.com>
+
+       * doc/sourcebuild.texi: Document support for torture tests.
+
+2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
+
+       * config/i386/sse.md (*vec_concatv2sf_sse4_1): Add "m" constraint
+       to alternative 4 of operand 2.
+
+2008-05-15  Richard Guenther  <rguenther@suse.de>
+
+       * tree-pass.h (current_pass): Declare.
+       (get_pass_for_id): Likewise.
+       * passes.c (passes_by_id, passes_by_id_size): New globals.
+       (set_pass_for_id): New function.
+       (get_pass_for_id): Likewise.
+       (register_one_dump_file): Use set_pass_for_id to populate passes_by_id.
+       (execute_function_todo): Flush per function statistics.
+       * toplev.c (compile_file): Init statistics.
+       (general_init): Do early statistics initialization.
+       (finalize): Finish statistics.
+       * statistics.h (statistics_early_init): Declare.
+       (statistics_init): Likewise.
+       (statistics_fini): Likewise.
+       (statistics_fini_pass): Likewise.
+       (statistics_counter_event): Likewise.
+       (statistics_histogram_event): Likewise.
+       * statistics.c: New file.
+       * Makefile.in (OBJS-common): Add statistics.o.
+       (statistics.o): Add dependencies.
+       * doc/invoke.texi (-fdump-statistics): Document.
+
+       * tree-ssa-pre.c (compute_antic): Use statistics_histogram_event.
+       (insert): Likewise.
+       (execute_pre): Use statistics_counter_event.
+       * tree-ssa-propagate.c (struct prop_stats_d): Add num_dce field.
+       (substitute_and_fold): Increment it.  Use statistics_counter_event.
+
+2008-05-15  Diego Novillo  <dnovillo@google.com>
+
+       http://gcc.gnu.org/ml/gcc-patches/2008-05/msg00893.html
+
+       * treestruct.def (TS_STRUCT_FIELD_TAG): Remove.
+       * tree-ssa-alias.c (new_type_alias): Remove references to
+       sub-variables from comment.
+       * tree-ssa-operands.c (swap_tree_operands): Likewise.
+
+2008-05-15  H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/sse.md (*vec_concatv2sf_sse4_1): Set prefix_extra
+       attribute to 1 only for insertps alternative.
+
+2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
+
+       * config/bfin/bfin.md (loadbytes): New pattern.
+       * config/bfin/bfin.c (enum bfin_builtins): Add BFIN_BUILTIN_LOADBYTES.
+       (bfin_init_builtins): Initialize it.
+       (bdesc_1arg): Add it.
+
+2008-05-15  Sa Liu  <saliu@de.ibm.com>
+
+       * testsuite/gfortran.dg/c_kind_int128_test1.f03: New.
+       * testsuite/gfortran.dg/c_kind_int128_test2.f03: New.
+       * testsuite/lib/target-supports.exp: Add
+       check_effective_target_fortran_integer_16.
+
+2008-05-15  Bernd Schmidt  <bernd.schmidt@analog.com>
+
+       * config/bfin/bfin.h (TARGET_RETURN_IN_MEMORY): Don't define here.
+       * config/bfin/bfin-protos.h (bfin_return_in_memory): Don't declare.
+       * config/bfin/bfin.c (bfin_return_in_memory): Now static.  Return bool.
+       (TARGET_RETURN_IN_MEMORY): Define.
+
+2008-05-15  Richard Guenther  <rguenther@suse.de>
+
+       PR middle-end/36244
+       * tree-ssa-alias.c (new_type_alias): Do not set TREE_READONLY.
+       * tree-flow-inline.h (unmodifiable_var_p): Memory tags never
+       represent unmodifiable vars.
+
+2008-05-15  Richard Guenther  <rguenther@suse.de>
+
+       * tree-dfa.c (refs_may_alias_p): Allow all kinds of
+       INDIRECT_REF and TARGET_MEM_REF.
+       * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
+       TARGET_MEM_REF.
+
+2008-05-15  Uros Bizjak  <ubizjak@gmail.com>
+           H.J. Lu  <hongjiu.lu@intel.com>
+
+       * config/i386/sse.md (*vec_concatv2sf_sse4_1): New insn pattern.
+       (*vec_concatv2si_sse4_1): Use vector_move_operand predicate
+       for operand 2.  Remove pinsr{q,d} with 0x0 immediate operand from
+       insn alternatives.  Add missing alternatives.
+       (*vec_concatv2di_rex64_sse4_1): Likewise.
+       (*vec_concatv2si_sse2): Use "x" register constraint instead of "Y2".
+       (*vec_concatv2di_rex64_sse): Rename from *vec_concatv2di_rex64.
+       Require TARGET_SSE.
+
+2008-05-15  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/36009
+       PR tree-optimization/36204
+       * tree-ssa-loop-im.c (tree-ssa-propagate.h): Include.
+       (determine_invariantness_stmt): Record the loop a store is
+       always executed in.
+       * Makefile.in (tree-ssa-loop-im.o): Add tree-ssa-propagate.h
+       dependency.
+
+2008-05-15  Richard Guenther  <rguenther@suse.de>
+
+       PR tree-optimization/34330
+       * tree-ssa-alias.c (get_smt_for): Only assert that accesses
+       through the pointer will alias the SMT.
+
 2008-05-14  Andreas Tobler  <a.tobler@schweiz.org>
 
        * config/sparc/sparc.h (NO_PROFILE_COUNTERS): Define as 0.
        (vrotl@var{m}3): Ditto.
        (vrotr@var{m}3): Ditto.
 
-       * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from
-       i386.c.
+       * config/i386/i386.md (PPERM_SRC): Move PPERM masks here from i386.c.
        (PPERM_INVERT): Ditto.
        (PPERM_REVERSE): Ditto.
        (PPERM_REV_INV): Ditto.
        * config/rs6000/rs6000.c (bdesc_2arg): Change the names of vector
        shift patterns.
 
-       * config/rs6000/altivec.md (vashl<mode>3): Rename from
-       ashl<mode>3.
+       * config/rs6000/altivec.md (vashl<mode>3): Rename from ashl<mode>3.
        (vlshr<mode>3): Rename from vlshr<mode>3.
        (vashr<mode>3): Rename from vashr<mode>3.
        (mulv4sf3): Change the names of vector shift patterns.
        * config/spu/spu.c (spu_initialize_trampoline): Rename vector
        shift insns.
 
-       * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift
-       insns.
+       * config/spu/spu-builtins.def (SI_SHLH): Rename vector shift insns.
        (SI_SHLHI): Ditto.
        (SI_SHL): Ditto.
        (SI_SHLI): Ditto.
 2008-05-14  Michael Meissner  <michael.meissner@amd.com>
 
        PR target/36224
-       * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using
-       unsigned multiply gives the wrong value when doing widening
-       multiplies.
+       * config/i386/sse.md (vec_widen_smult_hi_v4si): Delete, using unsigned
+       multiply gives the wrong value when doing widening multiplies.
        (vec_widen_smult_lo_v4si): Ditto.
 
 2008-05-14  Kenneth Zadeck <zadeck@naturalbridge.com>
 2008-05-14  Adam Nemet  <anemet@caviumnetworks.com>
 
        * calls.c (emit_library_call_value_1): Restore code clearing
-       ECF_LIBCALL_BLOCK to ensure that we only call end_sequence
-       once.
+       ECF_LIBCALL_BLOCK to ensure that we only call end_sequence once.
 
 2008-05-14  Olivier Hainque  <hainque@adacore.com>
            Nicolas Roche  <roche@adacore.com>
        (emit_no_conflict_block): Removed.
        * optabls.h: (emit_no_conflict_block): Removed.
        * cse.c (cse_extended_basic_block): Remove search for
-       REG_NO_CONFLICT note.  
+       REG_NO_CONFLICT note.
        * global.c: Removed incorrect comment added in revision 117.
        * expr.c (convert_move): Change call to emit_no_conflict_block to
        emit_insn.
        REG_NO_CONFLICT notes.
        * loop_invariant.c (find_invariant_insn): Removed REG_NO_CONFLICT
        case.
-       * combine.c (can_combine_p, distribute_notes):  Removed REG_NO_CONFLICT
-       case.
-       * config/cris/cris.md (movdi pattern): Changed
-       emit_no_conflict_block to emit_insns.
+       * combine.c (can_combine_p, distribute_notes):  Removed
+       REG_NO_CONFLICT case.
+       * config/cris/cris.md (movdi pattern): Changed emit_no_conflict_block
+       to emit_insns.
        * config/mn10300/mn10300.md (absdf2, negdf2 patterns): Ditto.
        * config/m68k/m68k.md (negdf2, negxf2, absdf2, absxf2 patterns):
-       Ditto. 
+       Ditto.
        * reg-notes.def (NO_CONFLICT): Removed.
 
 2008-05-14  David S. Miller  <davem@davemloft.net>
 
        * config/sparc/sparc.c (sparc_profile_hook): If
-       NO_PROFILE_COUNTERS, don't generate and pass a label
-       into mcount.
+       NO_PROFILE_COUNTERS, don't generate and pass a label into mcount.
        * config/sparc/linux.h (NO_PROFILE_COUNTERS): Define as 1.
        * config/sparc/linux64.h (NO_PROFILE_COUNTERS): Likewise.
 
        tree-ssanames.c.  Convert to static inline.  Call make_ssa_name_fn.
        * omp-low.c (expand_omp_parallel):
        * tree-flow-inline.h (redirect_edge_var_map_result):
-       * tree-ssa.c (init_tree_ssa): Add argument FN.  Use it instead of cfun.
-       Update all users.
+       * tree-ssa.c (init_tree_ssa): Add argument FN.
+       Use it instead of cfun.  Update all users.
 
 2008-05-13  Tom Tromey  <tromey@redhat.com>