+2008-05-23 Rafael Espindola <espindola@google.com>
+
+ * see.c (see_get_extension_data): Don't use SUBREG_REG to test
+ if a node is a SUBREG.
+ (see_analyze_one_def): Don't use SUBREG_REG to test if a node
+ is a SUBREG.
+
+2008-05-23 Paul Brook <paul@codesourcery.com>
+ Carlos O'Donell <carlos@codesourcery.com>
+
+ * doc/extend.texi: Clarify use of __attribute__((naked)).
+ * doc/tm.texi: Document TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
+ * target.h (gcc_target): Add allocate_stack_slots_for_args.
+ * function.c (use_register_for_decl): Use
+ targetm.calls.allocate_stack_slots_for_args.
+ * target-def.h (TARGET_CALLS): Add
+ TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS.
+ * config/arm/arm.c (arm_allocate_stack_slots_for_args):
+ New function.
+ (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Define.
+
+2008-05-23 Eric Botcazou <ebotcazou@adacore.com>
+
+ * expr.c (highest_pow2_factor) <BIT_AND_EXPR>: New case.
+
+2008-05-23 Steven Munroe <sjmunroe@us.ibm.com>
+
+ * config/rs6000/darwin-ldouble.c (fmsub): Eliminate the full
+ PACK/UNPACK between FP_SUB_Q and FD_TRUNC so that the result
+ is only rounded once.
+
+2008-05-23 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-operands.c (mark_difference_for_renaming): Use
+ bitmap_xor.
+
+2008-05-23 Uros Bizjak <ubizjak@gmail.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR target/36079
+ * configure.ac: Handle --enable-cld.
+ * configure: Regenerated.
+ * config.gcc: Add USE_IX86_CLD to tm_defines for x86 targets.
+ * config/i386/i386.h (struct machine_function): Add needs_cld field.
+ (ix86_current_function_needs_cld): New define.
+ * config/i386/i386.md (UNSPEC_CLD): New unspec volatile constant.
+ (cld): New isns pattern.
+ (strmov_singleop, rep_mov, strset_singleop, rep_stos, cmpstrnqi_nz_1,
+ cmpstrnqi_1, strlenqi_1): Set ix86_current_function_needs_cld flag.
+ * config/i386/i386.opt (mcld): New option.
+ * config/i386/i386.c (ix86_expand_prologue): Emit cld insn if
+ TARGET_CLD and ix86_current_function_needs_cld.
+ (override_options): Use -mcld by default for 32-bit code if
+ USE_IX86_CLD.
+
+ * doc/install.texi (Options specification): Document --enable-cld.
+ * doc/invoke.texi (Machine Dependent Options)
+ [i386 and x86-64 Options]: Add -mcld option.
+ (Intel 386 and AMD x86-64 Options): Document -mcld option.
+
+2008-05-23 Kai Tietz <kai.tietz@onevison.com>
+ * config/i386/i386.c (return_in_memory_32): Add ATTRIBUTE_UNUSED.
+ (return_in_memory_64): Likewise.
+ (return_in_memory_ms_64): Likewise.
+
+2008-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtin-types.def (BT_FN_INT_INT_INT_INT_INT_INT_VAR): New.
+ * builtins.c (fold_builtin_fpclassify): New.
+ (fold_builtin_varargs): Handle BUILT_IN_FPCLASSIFY.
+ * builtins.def (BUILT_IN_FPCLASSIFY): New.
+ * c-common.c (handle_type_generic_attribute): Adjust to accept
+ fixed arguments before an elipsis.
+ (check_builtin_function_arguments): Handle BUILT_IN_FPCLASSIFY.
+ * doc/extend.texi: Document __builtin_fpclassify.
+
+2008-05-22 Aldy Hernandez <aldyh@redhat.com>
+
+ * omp-low.c (gate_expand_omp_ssa): Remove.
+ (pass_expand_omp_ssa): Remove.
+ (gate_expand_omp): Do not check for flag_openmp_ssa.
+ * common.opt (-fopenmp-ssa): Remove.
+ * passes.c (init_optimization_passes): Remove pass_expand_omp_ssa.
+
+2008-05-22 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.opt (mfixed-range): New option.
+ * config/sh/sh-protos.h (sh_fix_range): Declare.
+ * config/sh/sh.c (sh_fix_range): New function.
+ * config/sh/sh.h (sh_fixed_range_str): Declare.
+ (OVERRIDE_OPTIONS): Call sh_fix_range if sh_fixed_range_str
+ is not empty.
+ * doc/invoke.texi (SH Options): Document -mfixed-range.
+
+2008-05-22 Kai Tietz <kai.tietz@onevision.com>
+
+ * config/i386/sol2-10.h (SUBTARGET_RETURN_IN_MEMORY): Undefine
+ it before the redeclaration.
+
+2008-05-22 Anatoly Sokolov <aesok@post.ru>
+
+ * config/avr/avr.c (get_sequence_length): Add new function.
+ (expand_prologue, expand_epilogue): Remove duplicate code.
+
+2008-05-22 Rafael Espindola <espindola@google.com>
+
+ * see.c (see_pre_insert_extensions): Use copy_rtx to avoid invalid rtx
+ sharing.
+
+2008-05-22 H.J. Lu <hongjiu.lu@intel.com>
+
+ * defaults.h (UNITS_PER_SIMD_WORD): Add scalar mode as argument.
+ * doc/tm.texi (UNITS_PER_SIMD_WORD): Likewise.
+
+ * tree-vect-analyze.c (vect_compute_data_ref_alignment): Replace
+ UNITS_PER_SIMD_WORD with GET_MODE_SIZE (TYPE_MODE (vectype)).
+ (vect_update_misalignment_for_peel): Likewise.
+ (vector_alignment_reachable_p): Likewise.
+ * tree-vect-transform.c (vectorizable_load): Likewise.
+ * tree-vectorizer.c (vect_supportable_dr_alignment): Likewise.
+ (get_vectype_for_scalar_type): Pass mode of scalar_type
+ to UNITS_PER_SIMD_WORD.
+
+ * config/arm/arm.h (UNITS_PER_SIMD_WORD): Updated.
+ * config/i386/i386.h (UNITS_PER_SIMD_WORD): Likewise.
+ * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
+ * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
+ * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
+
+2008-05-22 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/36293
+ * tree-vect-transform.c (vect_transform_strided_load): Don't check
+ if the first load must be skipped because of a gap.
+
+2008-05-22 Richard Guenther <rguenther@suse.de>
+
+ * tree-dfa.c (refs_may_alias_p): Exit early if possible. Handle
+ more cases of offset disambiguation that is possible if
+ strict-aliasing rules apply.
+ * tree-ssa-loop-im.c (mem_refs_may_alias_p): Use refs_may_alias_p
+ for basic offset and type-based disambiguation.
+
+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.
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.
+ * 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.
+ * 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,
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.
+ * 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.
+ (remove_duplicates): Do not set inode on non-inode systems.
+ Use DIRS_EQ.
2008-05-20 Sandra Loosemore <sandra@codesourcery.com>
2008-05-20 Richard Guenther <rguenther@suse.de>
- * tree-ssa-reassoc.c (fini_reassoc): Use the statistics
- infrastructure.
+ * 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.
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