+2008-05-21 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_expand_vector_init_one_var): Use
+ ix86_expand_vector_set on V16QImode for SSE4.1.
+
+2008-05-21 Tom Tromey <tromey@redhat.com>
+
+ * c.opt (Wimport): Mark as undocumented.
+ * doc/invoke.texi (Option Summary): Don't mention -Wimport or
+ -Wno-import.
+ (Warning Options): Likewise.
+ * doc/cppopts.texi: Don't mention -Wimport.
+
+2008-05-21 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR tree-optimization/36287
+ PR tree-optimization/36286
+ * lambda-code.c (build_access_matrix): Do not use the loop->num
+ for computing the number of induction variables: use the loop depth
+ instead.
+
+2008-05-21 Kai Tietz <kai.tietz@onevision.com>
+
+ PR/36280
+ * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Honor
+ option -f(no-)leading-underscore.
+
+2008-05-21 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_expand_vector_init_general): Use
+ GET_MODE_NUNITS (mode).
+
+2008-05-21 Peter Bergner <bergner@vnet.ibm.com>
+
+ * doc/invoke.texi: Add cpu_type's 464 and 464fp.
+ (-mmulhw): Add 464 to description.
+ (-mdlmzb): Likewise.
+ * config.gcc: Handle --with-cpu=464 and --with-cpu=464fp.
+ * config/rs6000/rs6000.c (processor_target_table): Add 464 and
+ 464fp entries.
+ * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add 464 and 464fp support.
+ * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include -mcpu=464.
+ * config/rs6000/rs6000.md: Update comments for 464.
+
+2008-05-21 Janis Johnson <janis187@us.ibm.com>
+
+ * doc/sourcebuild.texi (Test Directives): Add dg-xfail-run-if.
+
+2008-05-21 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/sse.md (vec_extractv4sf): Removed.
+ (vec_extractv2df): Likewise.
+ (vec_extractv2di): Likewise.
+ (vec_extractv4si): Likewise.
+ (vec_extractv8hi): Likewise.
+ (vec_extractv16qi): Likewise.
+ (vec_extract<mode>): New.
+
+2008-05-21 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/sse.md (vec_setv4sf): Removed.
+ (vec_setv2df): Likewise.
+ (vec_setv2di): Likewise.
+ (vec_setv4si): Likewise.
+ (vec_setv8hi): Likewise.
+ (vec_setv16qi): Likewise.
+ (vec_set<mode>): New.
+
+2008-05-21 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_expand_vector_init_general): Remove
+ goto for vec_concat and vec_interleave.
+
+2008-05-21 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/sse.md (vec_initv4sf): Removed.
+ (vec_initv2df): Likewise.
+ (vec_initv2di): Likewise.
+ (vec_initv4si): Likewise.
+ (vec_initv8hi): Likewise.
+ (vec_initv16qi): Likewise.
+ (vec_init<mode>): New.
+
+2008-05-21 Joseph Myers <joseph@codesourcery.com>
+
+ * collect2.c (find_a_file): Use IS_ABSOLUTE_PATH.
+
+2008-05-21 Tom Tromey <tromey@redhat.com>
+
+ * ggc-zone.c (lookup_page_table_if_allocated): New function.
+ (zone_find_object_offset): Likewise.
+ (gt_ggc_m_S): Likewise.
+ (highest_bit): Likewise.
+ * ggc-page.c (gt_ggc_m_S): New function.
+ * stringpool.c (string_stack): Remove.
+ (init_stringpool): Update.
+ (ggc_alloc_string): Use ggc_alloc.
+ (maybe_delete_ident): New function.
+ (ggc_purge_stringpool): Likewise.
+ (gt_ggc_m_S): Remove.
+ * ggc-common.c (ggc_protect_identifiers): New global.
+ (ggc_mark_roots): Call ggc_purge_stringpool. Use
+ ggc_protect_identifiers.
+ * ggc.h (ggc_protect_identifiers): Declare.
+ (gt_ggc_m_S): Update.
+ (ggc_purge_stringpool): Declare.
+ * toplev.c (compile_file): Set and reset ggc_protect_identifiers.
+ * gengtype.c (write_types_process_field) <TYPE_STRING>: Remove
+ special case.
+ (write_root): Cast gt_ggc_m_S to gt_pointer_walker.
+
+2008-05-21 David S. Miller <davem@davemloft.net>
+
+ * config.gcc (sparc-*-linux*): Always include sparc/t-linux in
+ tmake_file.
+
+2008-05-21 Eric Botcazou <ebotcazou@adacore.com>
+
+ * cfgexpand.c (tree_expand_cfg): Zap the EH throw statement table
+ once finished.
+
+2008-05-20 David Daney <ddaney@avtrex.com>
+
+ * config/mips/mips.md (UNSPEC_SYNC_NEW_OP_12,
+ UNSPEC_SYNC_OLD_OP_12,
+ UNSPEC_SYNC_EXCHANGE_12): New define_constants.
+ (UNSPEC_SYNC_EXCHANGE, UNSPEC_MEMORY_BARRIER,
+ UNSPEC_SET_GOT_VERSION,
+ UNSPEC_UPDATE_GOT_VERSION): Renumber.
+ (optab, insn): Add 'plus' and 'minus' to define_code_attr.
+ (atomic_hiqi_op): New define_code_iterator.
+ (sync_compare_and_swap<mode>): Call
+ mips_expand_atomic_qihi instead of
+ mips_expand_compare_and_swap_12.
+ (compare_and_swap_12): Use MIPS_COMPARE_AND_SWAP_12 instead of
+ MIPS_COMPARE_AND_SWAP_12_0. Pass argument to
+ MIPS_COMPARE_AND_SWAP_12.
+ (sync_<optab><mode>, sync_old_<optab><mode>,
+ sync_new_<optab><mode>, sync_nand<mode>, sync_old_nand<mode>,
+ sync_new_nand<mode>): New define_expands for HI and QI mode
+ operands.
+ (sync_<optab>_12, sync_old_<optab>_12, sync_new_<optab>_12,
+ sync_nand_12, sync_old_nand_12, sync_new_nand_12): New insns.
+ (sync_lock_test_and_set<mode>): New define_expand for HI and QI
+ modes.
+ (test_and_set_12): New insn.
+ (sync_old_add<mode>, sync_new_add<mode>, sync_old_<optab><mode>,
+ sync_new_<optab><mode>, sync_old_nand<mode>,
+ sync_new_nand<mode>, sync_lock_test_and_set<mode>): Add early
+ clobber to operand 0 for SI and DI mode insns.
+ * config/mips/mips-protos.h (mips_gen_fn_6, mips_gen_fn_5,
+ mips_gen_fn_4): New typedefs.
+ (mips_gen_fn_ptrs): Define new union type.
+ (mips_expand_compare_and_swap_12): Remove declaration.
+ (mips_expand_atomic_qihi): Declare function.
+ * config/mips/mips.c (mips_expand_compare_and_swap_12): Rename to...
+ (mips_expand_atomic_qihi): ... this. Use new generator function
+ parameter.
+ * config/mips/mips.h (MIPS_COMPARE_AND_SWAP_12): Add OPS parameter.
+ (MIPS_COMPARE_AND_SWAP_12_0): Delete macro.
+ (MIPS_COMPARE_AND_SWAP_12_ZERO_OP,
+ MIPS_COMPARE_AND_SWAP_12_NONZERO_OP,
+ MIPS_SYNC_OP_12, MIPS_SYNC_OP_12_NOT_NOP,
+ MIPS_SYNC_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12,
+ MIPS_SYNC_OLD_OP_12_NOT_NOP, MIPS_SYNC_OLD_OP_12_NOT_NOP_REG,
+ MIPS_SYNC_OLD_OP_12_NOT_NOT, MIPS_SYNC_OLD_OP_12_NOT_NOT_REG,
+ MIPS_SYNC_NEW_OP_12, MIPS_SYNC_NEW_OP_12_NOT_NOP,
+ MIPS_SYNC_NEW_OP_12_NOT_NOT, MIPS_SYNC_EXCHANGE_12,
+ MIPS_SYNC_EXCHANGE_12_ZERO_OP,
+ MIPS_SYNC_EXCHANGE_12_NONZERO_OP): New macros.
+
+2008-05-20 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Add
+ the missing break.
+
+2008-05-20 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.h (machine_function): Add 'is_OS_main' field.
+ * config/avr/avr.c (avr_OS_main_function_p): Add new function.
+ (avr_attribute_table): Add 'OS_main' function attribute.
+ (avr_regs_to_save, expand_prologue, expand_epilogue): Handle
+ functions with 'OS_main' attribute.
+
+2008-05-20 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/35204
+ * tree-ssa-sccvn.c (extract_and_process_scc_for_name): New
+ helper, split out from ...
+ (DFS): ... here. Make the DFS walk non-recursive.
+
+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>
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