+2006-04-03 Paolo Bonzini <bonzini@gnu.org>
+ Dale Johannesen <dalej@apple.com>
+
+ PR target/19653
+ * regclass.c (struct reg_pref): Update documentation.
+ (regclass): Set prefclass to NO_REGS if memory is the best option.
+ (record_reg_classes): Cope with a prefclass set to NO_REGS.
+ * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
+ into account. For non-registers, equate an empty preferred
+ reload class to a `!' in the constraint; move the if clause to
+ do so after those that reject the insn.
+ (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
+ return NO_REGS.
+ (find_dummy_reload): Likewise.
+ * doc/tm.texi (Register Classes): Document what it means
+ if PREFERRED_*_RELOAD_CLASS return NO_REGS.
+ * config/i386/i386.c (ix86_preferred_reload_class): Force
+ using SSE registers (and return NO_REGS for floating-point
+ constants) if math is done with SSE.
+ (ix86_preferred_output_reload_class): New.
+ * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
+ * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
+ * config/i386/i386.md: Remove # register preferences.
+
+2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
+
+ PR bootstrap/26992
+ * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
+ chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
+ the type of nb_iter.
+ (instantiate_parameters_1): Convert the operands before calling
+ chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
+ * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
+
+2006-04-02 Roger Sayle <roger@eyesopen.com>
+
+ * builtins.c (dummy_object): Use build_int_cst instead of convert.
+ * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
+ instead of convert.
+ * dojump.c (do_jump): Likewise.
+ * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
+ * gimplify.c (gimple_boolify, gimplify_init_constructor,
+ gimplify_boolean_expr): Likewise.
+ * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
+ * varasm.c (array_size_for_constructor): Likewise.
+ * tree-object-size.c (compute_object_offset): Likewise.
+
+2006-04-02 Roger Sayle <roger@eyesopen.com>
+
+ PR middle-end/26977
+ * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
+ NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
+
+2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
+
+ PR tree-optimization/26939
+ * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
+
+2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
+
+ * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
+ at_stmt. Convert the type of operands before calling
+ build_polynomial_chrec.
+ (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
+ add_to_evolution_1.
+ (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
+ (instantiate_parameters_1): Convert the type of operands before calling
+ build_polynomial_chrec.
+ * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
+ chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
+ reset_evolution_in_loop): Insert asserts to check the types of the
+ operands.
+ (chrec_type): Moved...
+ (eq_evolutions_p): Use operand_equal_p.
+ * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
+ the types of the operands.
+ (chrec_type): ...here.
+ * tree-data-ref.c (create_data_ref): Convert the operands before
+ calling chrec_replace_initial_condition.
+ (same_access_functions, analyze_subscript_affine_affine,
+ analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
+ (compute_subscript_distance, analyze_ziv_subscript,
+ analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
+ analyze_miv_subscript): Convert the operands before calling
+ chrec_fold_minus or chrec_fold_plus.
+
+2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
+
+ * tree-data-ref.c (compute_all_dependences): Use a pointer to
+ the dependence_relations vector.
+ (compute_data_dependences_for_loop): Adjust call to
+ compute_all_dependences.
+
+2006-04-01 Roger Sayle <roger@eyesopen.com>
+ Richard Henderson <rth@redhat.com>
+
+ * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
+ gimple_boolify on the condition before calling gimplify_expr.
+
+2006-03-31 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
+ to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
+ the frame size. Update to use the new macros.
+ * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
+ * config/xtensa/ieee754-df.S: Likewise.
+
+2006-03-31 Richard Henderson <rth@redhat.com>
+
+ * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
+ (make_edges): ... here. Control fallthru creation with a local
+ variable. Do not play with fake edges.
+ (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
+ (make_goto_expr_edges): Don't play with fake edges. Make for_call
+ a boolean.
+
+2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
+
+ * dwarf2.h (DW64_CIE_ID): Define.
+ * dwarf2out.c (DWARF_CIE_ID): Define.
+ (output_call_frame_info): Output 0xffffffff before standard 8-byte
+ length header. Use DWARF_CIE_ID.
+ (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
+ dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
+
+2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/linux-atomic.asm: New file.
+ * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
+
+2006-03-31 DJ Delorie <dj@redhat.com>
+
+ * config/m32c/cond.md: Set condition flags properly throughout.
+ * config/m32c/minmax.md: Likewise.
+ * config/m32c/prologue.md: Likewise.
+ * config/m32c/bitops.md: Likewise.
+ * config/m32c/muldiv.md: Likewise.
+ * config/m32c/mov.md: Likewise.
+ * config/m32c/addsub.md: Likewise.
+ * config/m32c/m32c.md: Likewise.
+ * config/m32c/jump.md: Likewise.
+ * config/m32c/shift.md: Likewise.
+
+ * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
+ conditionally output the pattern for this.
+ * config/m32c/m32c.c (flags_needed_for_conditional): New.
+ (m32c_compare_redundant): New.
+ (m32c_output_compare): New.
+ * config/m32c/m32c-protos.h (m32c_output_compare): New.
+
+ * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
+ dest, not src. Allow other 4-byte modes.
+
+2006-03-30 Denis Chertykov <denisc@overta.ru>
+
+ * doc/md.texi: Refer to avr/constraints.md instead of
+ avr/avr.h.
+
+2006-03-30 Roger Sayle <roger@eyesopen.com>
+
+ * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
+ signed vs. unsigned comparison failures on some hosts.
+
+2006-03-31 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/26459
+ * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
+ change to FLOAT_REGS.
+
+ * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
+ (rs6000_override_options): Use it.
+ (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
+ only for -mabi=spe/no-spe and -mabi=altivec.
+
+2006-03-30 Geoffrey Keating <geoffk@apple.com>
+
+ * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
+ !Zdynamiclib.
+
+2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
+
+ * Makefile.in: Rename docdir to gcc_docdir.
+
+2006-03-30 Roger Sayle <roger@eyesopen.com>
+
+ PR target/17959
+ * expr.c (emit_group_store): Optimize group stores into a pseudo
+ register by using a paradoxical subreg to initialize the destination
+ if the first or last member of the group specifies a "low part".
+
+2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ PR target/26734
+ * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
+ * target.h (struct gcc_target.speculate_insn): Change type of the
+ second parameter to 'int'.
+ * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
+ the second operand of the DEPS_LIST.
+ (copy_DEPS_LIST_list): Update reference to the second operand of the
+ DEPS_LIST.
+ * rtl.h (alloc_DEPS_LIST): Update signature.
+ * sched-int.h (ds_t): Change typedef to 'int'.
+ (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
+
+2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ * haifa-sched.c (try_ready): Change condition to restore
+ non-speculative pattern of the instruction.
+ (process_insn_depend_be_in_spec): Code to keep probability of the
+ speculative dependence non-decreasing.
+
+2006-03-30 Jie Zhang <jie.zhang@analog.com>
+
+ * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
+ (single_move_for_movmem): ... this. Also change all uses.
+ (bfin_expand_strmov): Renamed to...
+ (bfin_expand_movmem): ... this. Also change all uses.
+ * config/bfin/bfin.md (movstrsi): Renamed to...
+ (movstrsi): ...this.
+
+2006-03-30 Paolo Bonzini <bonzini@gnu.org>
+
+ PR tree-optimization/26830
+
+ * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
+ (copy_prop_visit_stmt): Remove write-only variable ann.
+ (init_copy_prop): Check variable loop depth here. Do not simulate
+ memory-tag and virtual operand PHIs except for store copy prop.
+
+2006-03-30 Richard Guenther <rguenther@suse.de>
+
+ * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
+ variants with double arguments.
+
+2006-03-29 David Edelsohn <edelsohn@gnu.org>
+
+ * genpreds.c (write_tm_constrs_h): Delete variable p.
+ * genconditions.c (write_header): Add tm-constrs.h to included
+ headers.
+ * genpeep.c (main): Add toplev.h to included headers.
+ * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
+ (build/genpeep.o): Add toplev.h dependency.
+ * config/rs6000/constraints.md: Add "W" constraint.
+
+2006-03-29 Roger Sayle <roger@eyesopen.com>
+
+ * stor-layout.c (mode_for_size_tree): Remove restiction on type
+ sizes by correctly testing whether the size fits a host integer.
+ (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
+ to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
+ SImode range for the default sizetype and bitsizetype.
+
+2006-03-29 Roger Sayle <roger@eyesopen.com>
+
+ * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
+ and TREE_CONSTANT_OVERFLOW bits of the argument. Return
+ quickly if the argument is already of the correct type.
+ Call fold_build1 instead of build1. Tidy up blank lines.
+
+2006-03-29 David Edelsohn <edelsohn@gnu.org>
+
+ * genemit.c (main): Add tm-constrs.h to included headers.
+ * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
+ * genpeep.c (main): Add tm-constrs.h to included headers.
+ * genpreds.c (write_satisfies_constraint_fns): Rename to ...
+ (write_tm_constrs_h): this and write complete file.
+ (write_tm_preds_h): Do not emit satisfies_constraint fns.
+ (write_insn_preds_c): Add tm-constrs.h to included headers.
+ (gen_constrs): New variable.
+ (parse_option): Parse "-c".
+ (main): Invoke write_tm_constrs_h.
+ * genrecog.c (write_header): Add tm-constrs.h to included headers.
+ * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
+ (object_out_file): Add tm-constrs.h dependency.
+ (insn-emit.o): Same.
+ (insn-output.o): Same.
+ (insn-peep.o): Same.
+ (insn-preds.o): Same.
+ (insn-recog.o): Same.
+ (tm-constsr.h): New target.
+ (s-constrs-h): New target.
+
+ * config/rs6000/constraints.md: New file.
+ * config/rs6000/rs6000.c: Include tm-constrs.h.
+ (num_insn_constant_wide): Convert to satisfies_constraint.
+ (rs6000_rtx_costs): Convert to satisfies_constraint.
+ * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
+ (CONST_OK_FOR_LETTER_P): Delete.
+ (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
+ (EXTRA_CONSTRAINT): Delete.
+ (EXTRA_MEMORY_CONSTRAINT): Delete.
+ (EXTRA_ADDRESS_CONSTRAINT): Delete.
+ * config/rs6000/predicates.md: Convert to satisfies_constraint.
+ * config/rs6000/rs6000.md: Include constraints.md. Convert to
+ satisfies_constraint.
+
+ * config/i386/i386.c: Include tm-constrs.h.
+
+2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
+
+ * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
+ * tree-data-ref.c (find_data_references_in_loop,
+ compute_data_dependences_for_loop): Use pointers to VEC.
+ (analyze_all_data_dependences): Adjust calls.
+ * tree-data-ref.h (find_data_references_in_loop,
+ compute_data_dependences_for_loop): Adjust declarations.
+ * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
+ compute_data_dependences_for_loop.
+
+2006-03-29 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
+ (movdf_vfp): Ditto.
+
+2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
+
+ PR tree-optimization/26859
+ * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
+ division by zero.
+ (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
+ for the step after fold_convert.
+
+2006-03-29 Paul Brook <paul@codesourcery.com>
+
+ * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
+ (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
+
+2006-03-29 Paul Brook <paul@codesourcery.com>
+
+ PR middle-end/23623
+ * targhooks.c (default_narrow_bitfield): New fuction.
+ * targhooks.h (default_narrow_bitfield): add prototype.
+ * target.h (gcc_target): Add narrow_volatile_bitfield.
+ * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
+ * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
+ * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
+ * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
+
+2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
+ tmake_file.
+ * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
+ (NR_C_MODES): Add TDmode, DDmode and SDmode.
+ (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
+ (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
+ (s390_function_arg_float): Allow SDmode and DDmode values to be
+ passed in floating point registers.
+ (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
+ check with SCALAR_FLOAT_MODE_P.
+ (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
+
+2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/25985
+ * tree-ssa-loop-niter.c (number_of_iterations_le,
+ number_of_iterations_ne): Make comments more precise.
+ (number_of_iterations_cond): Add only_exit argument. Use the
+ fact that signed variables do not overflow only when only_exit
+ is true.
+ (loop_only_exit_p): New.
+ (number_of_iterations_exit): Pass result of loop_only_exit_p to
+ number_of_iterations_cond.
+
+2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR tree-optimization/26643
+ * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
+ bit_field_refs.
+
+2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
+ (divsi3_i4_int): Likewise.
+
+2006-03-28 Roger Sayle <roger@eyesopen.com>
+
+ * expr.c (emit_group_store): Only create a new pseudo reg if the
+ quantity it needs to hold isn't already a suitable pseudo.
+
+2006-03-28 Jeff Law <law@redhat.com>
+
+ * timevar.def (TV_TREE_PHI_CPROP): New timevar.
+ * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
+
+2006-03-28 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
+ the equivalent ~X & Y, and the symmetry related transformations.
+ (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
+ ~X & Y, and symmetry related transforms.
+
+2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ Revert my 2006-03-27 patches.
+
+2006-03-28 Roger Sayle <roger@eyesopen.com>
+
+ * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
+ ~(T1)X, when T1 and T2 are integer types of the same precision
+ and (T2)X isn't an extension.
+
+2006-03-28 Jeff Law <law@redhat.com>
+
+ PR tree-optimization/26796
+ * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
+ need EH edge cleanups rather than purging them immediately.
+ (eliminate_degenerate_phis): Handle queued EH cleanups.
+
+2006-03-28 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
+ from parent_var.
+
+2006-03-27 Roger Sayle <roger@eyesopen.com>
+
+ PR middle-end/22524
+ * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
+ cast BIT_NOT_EXPR operand to the correct type.
+
+2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
+
+ * tree-loop-linear.c: Don't include varray.h.
+ (gather_interchange_stats, try_interchange_loops,
+ linear_transform_loops): Use VEC instead of VARRAY.
+ * lambda-mat.c: Don't include varray.h.
+ * tree-chrec.c: Same.
+ * lambda-trans.c: Same.
+ * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
+ VEC instead of VARRAY.
+ * tree-vectorizer.h: Idem.
+ * tree-data-ref.c (dump_data_references,
+ dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
+ initialize_data_dependence_relation, finalize_ddr_dependent,
+ compute_all_dependences, find_data_references_in_loop,
+ compute_data_dependences_for_loop, analyze_all_data_dependences,
+ free_dependence_relation, free_dependence_relations,
+ free_data_refs): Idem.
+ * tree-data-ref.h (data_reference_p, subscript_p): New.
+ (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
+ VEC instead of VARRAY.
+ (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
+ (find_data_references_in_loop, compute_data_dependences_for_loop,
+ dump_ddrs, dump_dist_dir_vectors, dump_data_references,
+ dump_data_dependence_relations, free_dependence_relations,
+ free_data_refs): Adjust declaration.
+ (lambda_transform_legal_p): Move declaration here...
+ * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
+ vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
+ vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
+ vect_analyze_data_refs): Use VEC instead of VARRAY.
+ * lambda.h (lambda_transform_legal_p): ...from here.
+ * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
+ * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
+ * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
+ tree-chrec.o): Don't depend on VARRAY_H.
+
+2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ * rtl.def (Copyright): Update date.
+ (DEPS_LIST): Change type of the second operand to 'int'.
+ * target.h (Copyright): Update date.
+ (struct gcc_target.speculate_insn): Change type of the second parameter
+ to 'int'.
+ * lists.c (Copyright): Update date.
+ (alloc_DEPS_LIST): Change signature. Update reference to the second
+ operand of the DEPS_LIST.
+ (copy_DEPS_LIST_list): Update reference to the second operand of the
+ DEPS_LIST.
+ * rtl.h (Copyright): Update date.
+ (alloc_DEPS_LIST): Update signature.
+ * sched-int.h (Copyright): Update date.
+ (ds_t): Change typedef to 'int'.
+ (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
+
+2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ * haifa-sched.c (Copyright): Update date.
+ (try_ready): Change condition to restore non-speculative pattern
+ of the instruction.
+ (process_insn_depend_be_in_spec): Code to keep probability of the
+ speculative dependence non-decreasing.
+
+2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * regrename.c (replace_oldest_value_addr): Initialize a variable to
+ shut up the compiler.
+
+2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
+
+ * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
+ to use lib prefix for target.
+ ($(T)libic_invalidate_array_4-200.a): Likewise.
+ ($(T)libic_invalidate_array_4a.a): Likewise.
+
+2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
+ J"orn Rennecke <joern.rennecke@st.com>
+
+ * superh.opt: New file.
+ * sh.c (boardtype, osruntime): Remove.
+ * superh.h (SUBTARGET_OPTIONS): Remove.
+ * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
+
+ * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
+ arguments with ^ and/or [].
+
+ * config.gcc (sh-*-*): Add quoting to account for quirk of
+ Solaris /bin/sh.
+ Replace == with = in enable_incomplete_targets test.
+
+ * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
+ with MASK_LITTLE_ENDIAN.
+
+ * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
+ * config/sh/sh.opt: Added to some comments.
+ * config/sh/superh.h: Removed some chaff.
+
+ * config/sh/sh.opt: Add m4-[1234]00* options.
+ * config/sh/sh.c (sh_handle_option): Likewise.
+ * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
+ (ic_invalidate_array_4-100.o): New rule.
+ ($(T)libic_invalidate_array_4-100.a): Likewise.
+ (ic_invalidate_array_4-200.o): Likewise.
+ ($(T)libic_invalidate_array_4-200.a): Likewise.
+ (ic_invalidate_array_4a.o): Likewise.
+ ($(T)libic_invalidate_array_4a.a): Likewise.
+ * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
+ * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
+ m4-200*, and m4a*.
+ * config/sh/crt1.asm: Merged in profiling code.
+ * config/sh/superh.h (STARTFILE_SPEC): Override.
+ * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
+ Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
+ * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
+
+ * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
+ * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
+ MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
+
+ * sh.opt (mpretend-cmove): New option.
+ * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
+ * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
+ (movsicc): Add TARGET_PRETEND_CMOVE code.
+
+2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
+ s390_class_max_nregs): New function prototypes.
+ * config/s390/s390.c (REGNO_PAIR_OK): New macro.
+ (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
+ * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
+ CLASS_MAX_NREGS): Macro bodies replaced by function calls.
+
+2006-03-26 Geoffrey Keating <geoffk@apple.com>
+
+ * dwarf2out.c (add_location_or_const_value_attribute): Call
+ tree_add_const_value_attribute if nothing else works.
+ (reference_to_unused): New.
+ (rtl_for_decl_init): Use reference_to_unused to decide whether
+ to output an initializer.
+
+2006-03-27 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/26459
+ * config/rs6000/rs6000.md (DF reg move peephole): Prevent
+ peephole removing spe frob_di_df_2.
+
+2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
+
+ * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
+ (subscript_dependence_tester_1): Declared.
+ (print_dir_vectors, print_dist_vectors): New.
+ (debug_data_dependence_relation): New.
+ (dump_data_dependence_relation): Print more details.
+ (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
+ (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
+ (save_dist_v, save_dir_v, add_outer_distances,
+ build_classic_dist_vector_1): New.
+ (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
+ Don't test for lambda_vector_lexico_pos.
+ (same_access_functions, add_multivariate_self_dist,
+ add_other_self_distances, dir_from_dist): New.
+ (build_classic_dir_vector): Replace implementation almost identical to
+ build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
+ dir_from_dist.
+ (subscript_dependence_tester_1): New.
+ (subscript_dependence_tester): Handle the lexicographically negative
+ distance vectors by recomputing the dependence relation.
+ (compute_affine_dependence): Remove parameter loop_nest_depth.
+ (compute_self_dependence): Don't call compute_subscript_distance.
+ (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
+ Add a parameter for the loop_nest.
+ (find_loop_nest_1, find_loop_nest): New.
+ (compute_data_dependences_for_loop): Compute the loop nest, and give
+ up if the nest is not well formed.
+ * tree-data-ref.h (loop_p): New.
+ (struct data_dependence_relation): Replace size_vect field with
+ loop_nest, a vec of loops.
+ (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
+ (DDR_LOOP_NEST): New.
+ (print_dir_vectors, print_dist_vectors,
+ debug_data_dependence_relation): Declared.
+ (index_in_loop_nest): New.
+ * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
+ DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
+ distance.
+
+2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
+
+ * simplify-rtx.c (simplify_relational_operation): Call
+ simplify_relational_operation_1 even if mode is VOIDmode.
+
+2006-03-25 Daniel Berlin <dberlin@dberlin.org>
+
+ PR tree-optimization/26804
+ * tree.h (DECL_CALL_CLOBBERED): New macro.
+ (tree_decl_common): Add call_clobbered_flag.
+ * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
+ (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
+ (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
+ (mark_non_addressable): Ditto.
+ * tree-ssa.c (verify_call_clobbered): New function.
+ (verify_alias_info): Use it.
+ * tree-pass.h (pass_reset_cc_flags): New prototype.
+ * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
+ (reset_cc_flags): New function.
+ * passes.c (init_optimization_passes): Call reset_cc_flags after
+ initializing referenced_vars.
+
+2006-03-25 Uros Bizjak <uros@kss-loka.si>
+ Roger Sayle <roger@eyesopen.com>
+
+ PR middle-end/26717
+ * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
+ to 1.0 for non-real operands. Implement A / A optimization for
+ complex operands.
+
+2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
+
+ * config/i386/i386.c (size_cost): Correct the comment for
+ cost of storing fp registers.
+ (i386_cost): Likewise.
+ (i486_cost): Likewise.
+ (pentium_cost): Likewise.
+ (pentiumpro_cost): Likewise.
+ (k6_cost): Likewise.
+ (athlon_cost): Likewise.
+ (k8_cost): Likewise.
+ (pentium4_cost): Likewise.
+ (nocona_cost): Likewise.
+ (generic64_cost): Likewise.
+ (generic32_cost): Likewise.
+
+2006-03-24 Denis Chertykov <denisc@overta.ru>
+
+ * config/avr/avr-protos.h (extra_constraint): Delete.
+ (extra_constraint_Q): New declaration.
+ * config/avr/constraints.md: New file.
+ * config/avr/avr.md: Include it.
+ (REG_X, REG_Y, REG_Z, REG_W): New constants.
+ (TMP_REGNO, ZERO_REGNO): Likewise.
+ (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
+ * config/avr/avr.c (avr_reg_class_from_letter): Delete.
+ (extra_constraint): Delete.
+ (extra_constraint_Q): Test for memory constraint 'Q'.
+ * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
+ (REG_CLASS_FROM_LETTER): Delete.
+ (CONST_OK_FOR_LETTER_P): Delete.
+ (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
+ (EXTRA_CONSTRAINT): Delete.
+ (TMP_REGNO): Delete.
+ (ZERO_REGNO): Delete.
+
+2006-03-24 Jeff Law <law@redhat.com>
+
+ * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
+ directly. Call mark_new_vars_to_rename slightly earlier.
+
+2006-03-24 Geoffrey Keating <geoffk@apple.com>
+
+ * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
+ (is_cxx): Likewise.
+ (gen_compile_unit_die): Use new language types for Objective-C and
+ Objective-C++.
+ (dwarf2out_decl): Use is_cxx rather than testing explicitly against
+ DW_LANG_C_plus_plus.
+
+ PR 26793
+ * config/t-darwin (crt3.o): Work around bug 26840.
+ * config/darwin-crt3.c: Rewrite.
+ * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
+
+2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
+
+ * doc/invoke.texi: Document -femit-class-debug-always
+ * common.opt: Add -femit-class-debug-always.
+
+2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
+
+ * config/s390/s390.c (s390_decompose_address): Allow SImode for
+ index and base register.
+ (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
+ print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
+ with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
+ REGNO_OK_FOR_INDEX_P.
+ * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
+ ADDR_REGNO_P.
+ (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
+ REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
+ REG_OK_FOR_BASE_P): Definitions removed.
+
+2006-03-24 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/26611
+ * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
+ non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
+ set yet or weren't marked as local yet.
+
+2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
+
+ * regrename.c (scan_rtx_address): Initialize a variable to shut up
+ the compiler.
+
+2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
+ (rs6000_legitimate_small_data_p): Delete.
+ * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
+ (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
+ and make static. Add forward declaration. Update uses.
+ (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
+ of offsettable_memref_p.
+ * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
+ Use rs6000_offsettable_memref_p instead of a less accurate predicate.
+
+2006-03-24 Jeff Law <law@redhat.com>
+
+ * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
+ around bug in immediate-use iterator.
+
+2006-03-24 Alan Modra <amodra@bigpond.net.au>
+
+ PR target/26607
+ * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
+ or __LITTLE_ENDIAN__.
+
+2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
+
+ * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
+ * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
+ * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
+ * config/sh/sh.opt (mdiv=): Amend description.
+ * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
+ (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
+ (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
+ SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
+ (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
+ Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
+ * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
+ (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
+ TARGET_DIVIDE_CALL_FP.
+
+2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
+
+ * haifa-sched.c (choose_ready): Fix type of the local variable.
+ Move local variables. Add comment.
+ (check_reg_live): Change signature. Make callable from debugger.
+ * sched-int.h (check_reg_live): Update signature.
+ * sched-ebb.c (check_reg_live): Update parameters.
+ * sched-rgn.c (check_reg_live): Ditto.
+ (region_head_or_leaf_p): Check pointer before dereferencing.
+ * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
+ before reload on optimization levels below 1.
+
+2006-03-23 Richard Henderson <rth@redhat.com>
+
+ * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
+ tls symbols.
+
+ PR target/26347
+ * config/alpha/predicates.md (local_symbolic_operand): Reject
+ weak symbols.
+
2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/26795
2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
- * config/ia64/ia64.c (stops_p): Added explicit initialization.
- (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
- ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
- ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
+ * config/ia64/ia64.c (stops_p): Added explicit initialization.
+ (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
+ ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
+ ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
ia64_sched_finish_global): New static functions to implement
hooks from gcc_target.sched.
(spec_check_no, max_uid, pending_data_specs): New static variables.
- (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
+ (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
ia64_spec_check_src_p): New static functions.
- (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
- (TARGET_SCHED_ADJUST_COST): Removed.
- (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
+ (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
+ (TARGET_SCHED_ADJUST_COST): Removed.
+ (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
TARGET_SCHED_GEN_CHECK,
TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
- TARGET_SCHED_SET_SCHED_FLAGS): New macros.
- (update_set_flags, group_barrier_needed, set_src_needs_barrier):
+ TARGET_SCHED_SET_SCHED_FLAGS): New macros.
+ (update_set_flags, group_barrier_needed, set_src_needs_barrier):
Fixed to handle speculation checks.
- (rtx_needs_barrier): Fixed to handle speculative loads and
- their checks.
- (ia64_variable_issue): Added code to count speculative loads and their
- checks.
- (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
- speculative loads.
- (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
- New enumerations.
- (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
- New constants.
- (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
+ (rtx_needs_barrier): Fixed to handle speculative loads and
+ their checks.
+ (ia64_variable_issue): Added code to count speculative loads and their
+ checks.
+ (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
+ speculative loads.
+ (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
+ New enumerations.
+ (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
+ New constants.
+ (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
(ia64_reorg): Reset stops_p to NULL after it is freed.
- * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
+ * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
- (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
- chk_a.
- (data_speculative, control_speculative, check_load): New attributes.
- (mov<mode>_advanced, mov<mode>_speculative,
- mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
- zero_extend<mode>di2_speculative,
- zero_extend<mode>di2_speculative_advanced): New patterns for
- data and control speculative loads.
- (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
- check loads.
- (advanced_load_check_clr_<mode>, speculation_check_<mode>):
- New pattern for data and control speculation checks.
+ (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
+ chk_a.
+ (data_speculative, control_speculative, check_load): New attributes.
+ (mov<mode>_advanced, mov<mode>_speculative,
+ mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
+ zero_extend<mode>di2_speculative,
+ zero_extend<mode>di2_speculative_advanced): New patterns for
+ data and control speculative loads.
+ (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
+ check loads.
+ (advanced_load_check_clr_<mode>, speculation_check_<mode>):
+ New pattern for data and control speculation checks.
(MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
Auxiliary definitions for the patterns.
- * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
- 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
- constraints.
+ * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
+ 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
+ constraints.
(1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
- for speculation.
- (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
- * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
+ for speculation.
+ (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
+ * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
New resource constraints.
(2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
- for speculation.
- (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
- * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
- msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
- msched-in-control-spec, msched-ldc, msched-control-ldc,
- msched-spec-verbose, msched-prefer-non-data-spec-insns,
- msched-prefer-non-control-spec-insns,
+ for speculation.
+ (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
+ * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
+ msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
+ msched-in-control-spec, msched-ldc, msched-control-ldc,
+ msched-spec-verbose, msched-prefer-non-data-spec-insns,
+ msched-prefer-non-control-spec-insns,
msched-count-spec-in-critical-path): New flags to tune speculative
scheduling.
* doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
- msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
- msched-in-control-spec, msched-ldc, msched-control-ldc,
- msched-spec-verbose, msched-prefer-non-data-spec-insns,
- msched-prefer-non-control-spec-insns,
+ msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
+ msched-in-control-spec, msched-ldc, msched-control-ldc,
+ msched-spec-verbose, msched-prefer-non-data-spec-insns,
+ msched-prefer-non-control-spec-insns,
msched-count-spec-in-critical-path): Document new flags.
2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
- * target.h (struct spec_info_def): New opaque declaration.
- (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
- speculate_insn, needs_block_p, gen_check,
- first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
- * target-def.h (TARGET_SCHED_ADJUST_COST_2,
- TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
- TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
- TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
- TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
- gcc_target.sched.
- (TARGET_SCHED): Use new macros.
- * rtl.h (copy_DEPS_LIST_list): New prototype.
- * sched-int.h (struct sched_info): Change signature of new_ready field,
+ * target.h (struct spec_info_def): New opaque declaration.
+ (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
+ speculate_insn, needs_block_p, gen_check,
+ first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
+ * target-def.h (TARGET_SCHED_ADJUST_COST_2,
+ TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
+ TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
+ TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
+ TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
+ gcc_target.sched.
+ (TARGET_SCHED): Use new macros.
+ * rtl.h (copy_DEPS_LIST_list): New prototype.
+ * sched-int.h (struct sched_info): Change signature of new_ready field,
adjust all initializations. New fields: add_remove_insn,
- begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
+ begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
region_head_or_leaf_p.
- (struct spec_info_def): New structure declaration.
- (spec_info_t): New typedef.
- (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
- recovery_block, orig_pat.
- (glat_start, glat_end): New variables declaraions.
- (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
+ (struct spec_info_def): New structure declaration.
+ (spec_info_t): New typedef.
+ (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
+ recovery_block, orig_pat.
+ (glat_start, glat_end): New variables declaraions.
+ (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
New access macros.
- (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
- DETACH_LIFE_INFO, USE_GLAT.
- (enum SPEC_SCHED_FLAGS): New enumeration.
- (NOTE_NOTE_BB_P): New macro.
- (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
- attach_life_info, debug_spec_status, check_reg_live): New functions.
- (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
- all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
- sched-ebb.c
+ (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
+ DETACH_LIFE_INFO, USE_GLAT.
+ (enum SPEC_SCHED_FLAGS): New enumeration.
+ (NOTE_NOTE_BB_P): New macro.
+ (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
+ attach_life_info, debug_spec_status, check_reg_live): New functions.
+ (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
+ all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
+ sched-ebb.c
(get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
- * ddg.c (get_block_head_tail): Adjust all uses.
- * modulo-sched.c (get_block_head_tail): Adjust all uses.
+ * ddg.c (get_block_head_tail): Adjust all uses.
+ * modulo-sched.c (get_block_head_tail): Adjust all uses.
(sms_sched_info): Initialize new fields.
(contributes_to_priority): Removed.
- * haifa-sched.c (params.h): New include.
+ * haifa-sched.c (params.h): New include.
(get_block_head_tail): Adjust all uses.
- (ISSUE_POINTS): New macro.
- (glat_start, glat_end): New global variables.
- (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
+ (ISSUE_POINTS): New macro.
+ (glat_start, glat_end): New global variables.
+ (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
old_last_basic_block, before_recovery, current_sched_info_var,
rgn_n_insns, luid): New static variables.
- (insn_cost1): New function. Move logic from insn_cost to here.
- (find_insn_reg_weight1): New function. Move logic from
- find_insn_reg_weight to here.
- (reemit_notes, move_insn, max_issue): Change signature.
- (move_insn1): Removed.
- (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
- extend_bb): New static functions to support extension of scheduler's
- data structures.
- (generate_recovery_code, process_insn_depend_be_in_spec,
- begin_speculative_block, add_to_speculative_block,
- init_before_recovery, create_recovery_block, create_check_block_twin,
- fix_recovery_deps): New static functions to support
- generation of recovery code.
- (fix_jump_move, find_fallthru_edge, dump_new_block_header,
- restore_bb_notes, move_block_after_check, move_succs): New static
- functions to support ebb scheduling.
- (init_glat, init_glat1, attach_life_info1, free_glat): New static
- functions to support handling of register live information.
- (associate_line_notes_with_blocks, change_pattern, speculate_insn,
+ (insn_cost1): New function. Move logic from insn_cost to here.
+ (find_insn_reg_weight1): New function. Move logic from
+ find_insn_reg_weight to here.
+ (reemit_notes, move_insn, max_issue): Change signature.
+ (move_insn1): Removed.
+ (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
+ extend_bb): New static functions to support extension of scheduler's
+ data structures.
+ (generate_recovery_code, process_insn_depend_be_in_spec,
+ begin_speculative_block, add_to_speculative_block,
+ init_before_recovery, create_recovery_block, create_check_block_twin,
+ fix_recovery_deps): New static functions to support
+ generation of recovery code.
+ (fix_jump_move, find_fallthru_edge, dump_new_block_header,
+ restore_bb_notes, move_block_after_check, move_succs): New static
+ functions to support ebb scheduling.
+ (init_glat, init_glat1, attach_life_info1, free_glat): New static
+ functions to support handling of register live information.
+ (associate_line_notes_with_blocks, change_pattern, speculate_insn,
sched_remove_insn, clear_priorities, calc_priorities, bb_note,
add_jump_dependencies): New static functions.
- (check_cfg, has_edge_p, check_sched_flags): New static functions for
+ (check_cfg, has_edge_p, check_sched_flags): New static functions for
consistancy checking.
(debug_spec_status): New function to call from debugger.
(priority): Added code to handle speculation checks.
(schedule_insn): Added code to handle speculation checks.
(unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
Fixed to handle ebbs.
- (move_insn): Added code to handle ebb scheduling.
+ (move_insn): Added code to handle ebb scheduling.
(max_issue): Added code to use ISSUE_POINTS of instructions.
- (choose_ready): Added code to choose between speculative and
- non-speculative instructions.
- (schedule_block): Added code to handle ebb scheduling and scheduling of
- speculative instructions.
- (sched_init): Initialize new variables.
- (sched_finish): Free new variables. Print statistics.
- (try_ready): Added code to handle speculative instructions.
- * lists.c (copy_DEPS_LIST_list): New function.
- * sched-deps.c (extend_dependency_caches): New function. Move logic
- from create_dependency_caches to here.
+ (choose_ready): Added code to choose between speculative and
+ non-speculative instructions.
+ (schedule_block): Added code to handle ebb scheduling and scheduling of
+ speculative instructions.
+ (sched_init): Initialize new variables.
+ (sched_finish): Free new variables. Print statistics.
+ (try_ready): Added code to handle speculative instructions.
+ * lists.c (copy_DEPS_LIST_list): New function.
+ * sched-deps.c (extend_dependency_caches): New function. Move logic
+ from create_dependency_caches to here.
(get_dep_weak, ds_merge): Make global.
- * genattr.c (main): Code to output prototype for
- dfa_clear_single_insn_cache.
- * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
- (output_dfa_clean_insn_cache_func): Code to output
- dfa_clear_single_insn_cache function.
- * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
+ * genattr.c (main): Code to output prototype for
+ dfa_clear_single_insn_cache.
+ * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
+ (output_dfa_clean_insn_cache_func): Code to output
+ dfa_clear_single_insn_cache function.
+ * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
n_insns.
- (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
- Removed.
- (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
- New static variables.
- (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
+ (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
+ Removed.
+ (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
+ New static variables.
+ (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
struct sched_info.
- (ebb_sched_info): Initialize new fields.
+ (ebb_sched_info): Initialize new fields.
(get_block_head_tail): Adjust all uses.
(compute_jump_reg_dependencies): Fixed to use glat_start.
(schedule_ebb): Code to remove unreachable last block.
- (schedule_ebbs): Added code to update register live information.
- * sched-rgn.c (region_sched_info): Initialize new fields.
+ (schedule_ebbs): Added code to update register live information.
+ * sched-rgn.c (region_sched_info): Initialize new fields.
(get_block_head_tail): Adjust all uses.
(last_was_jump): Removed. Adjust users.
- (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
+ (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
Implement new hooks.
- (check_dead_notes1): New static function.
- (struct region): New fields: dont_calc_deps, has_real_ebb.
- (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
- (BB_TO_BLOCK): Fixed to handle EBBs.
- (EBB_FIRST_BB, EBB_LAST_BB): New macros.
- (ebb_head): New static variable.
- (debug_regions, contributes_to_priority): Fixed to handle EBBs.
- (find_single_block_regions, find_rgns, find_more_rgns): Initialize
+ (check_dead_notes1): New static function.
+ (struct region): New fields: dont_calc_deps, has_real_ebb.
+ (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
+ (BB_TO_BLOCK): Fixed to handle EBBs.
+ (EBB_FIRST_BB, EBB_LAST_BB): New macros.
+ (ebb_head): New static variable.
+ (debug_regions, contributes_to_priority): Fixed to handle EBBs.
+ (find_single_block_regions, find_rgns, find_more_rgns): Initialize
new fields.
(compute_dom_prob_ps): New assertion.
- (check_live_1, update_live_1): Fixed to work with glat_start instead of
- global_live_at_start.
+ (check_live_1, update_live_1): Fixed to work with glat_start instead of
+ global_live_at_start.
(init_ready_list): New assertions.
(can_schedule_ready_p): Split update code to begin_schedule_ready.
(new_ready): Add support for BEGIN_CONTROL speculation.
- (schedule_insns): Fixed code that updates register live information
- to handle EBBs.
- (schedule_region): Fixed to handle EBBs.
+ (schedule_insns): Fixed code that updates register live information
+ to handle EBBs.
+ (schedule_region): Fixed to handle EBBs.
(init_regions): Use extend_regions and check_dead_notes1.
- * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
- PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
+ * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
+ PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
* doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
TARGET_SCHED_GEN_CHECK,
TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
TARGET_SCHED_SET_SCHED_FLAGS): Document.
- * doc/invoke.texi (max-sched-insn-conflict-delay,
+ * doc/invoke.texi (max-sched-insn-conflict-delay,
sched-spec-prob-cutoff): Document.
2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
- * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
+ * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
inter_tick, queue_index.
(struct sched_info): Change signature of init_ready_list field.
Adjust all initializations.
(gather_region_statistics, print_region_statistics): New static
functions.
* params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
- * doc/invoke.texi (max-sched-extend-regions-iters): Document.
+ * doc/invoke.texi (max-sched-extend-regions-iters): Document.
2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
-
Andrey Belevantsev <abel@ispras.ru>
+ Andrey Belevantsev <abel@ispras.ru>
* ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
- * lists.c (unused_deps_list): New variable.
+ * lists.c (unused_deps_list): New variable.
(free_list): Add assertions to verify the proper distinguishing
- between INSN_LISTs and DEPS_LISTs.
- (find_list_elem, remove_list_elem, remove_list_node): New static
+ between INSN_LISTs and DEPS_LISTs.
+ (find_list_elem, remove_list_elem, remove_list_node): New static
functions.
- (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
- remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
- remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
- (alloc_INSN_LIST): Assert that the list we're working on is indeed
+ (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
+ remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
+ remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
+ (alloc_INSN_LIST): Assert that the list we're working on is indeed
an INSN_LIST.
- (free_INSN_LIST_node): Likewise.
+ (free_INSN_LIST_node): Likewise.
* modulo-sched.c (current_sched_info): Initialize flags field.
* reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
* rtl.def (DEPS_LIST): Define.
- * rtl.h: Declare new functions from lists.c.
- * sched-deps.c (spec_dependency_cache): New static variable.
- (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
- (add_dependence): Change return type to void. Move the logic to ...
- (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
- (delete_all_dependences): Add comment about forward_dependency_cache.
+ * rtl.h: Declare new functions from lists.c.
+ * sched-deps.c (spec_dependency_cache): New static variable.
+ (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
+ (add_dependence): Change return type to void. Move the logic to ...
+ (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
+ (delete_all_dependences): Add comment about forward_dependency_cache.
Handle spec_dependency_cache. Handle DEPS_LISTs.
- (fixup_sched_groups): Clarify the change of priority of output
- and anti dependencies.
- (sched_analyze_2): Adjust add_dependence calls to create data
+ (fixup_sched_groups): Clarify the change of priority of output
+ and anti dependencies.
+ (sched_analyze_2): Adjust add_dependence calls to create data
speculative dependence.
- (add_forward_dependence): Renamed to add_forw_dep, change prototype.
+ (add_forward_dependence): Renamed to add_forw_dep, change prototype.
Adjust all callers. Handle DEPS_LISTS.
- (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
+ (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
presence of speculation.
- (init_dependency_caches, free_dependency_caches):
+ (init_dependency_caches, free_dependency_caches):
Handle spec_dependency_cache.
- (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
+ (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
New static functions.
- (add_or_update_back_dep, add_or_update_back_forw_dep,
+ (add_or_update_back_dep, add_or_update_back_forw_dep,
add_back_forw_dep, delete_back_forw_dep): New functions.
* sched-int.h (ds_t, dw_t): New typedefs.
(struct sched_info): Add new field flags.
(struct haifa_insn_data): Add new bitfield has_internal_dep.
Prototype new sched-deps.c functions.
- (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
+ (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
(BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
New constants.
- (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
+ (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
New enums.
* sched-rgn.c (current_sched_info): Initialize flags field.
(schedule_insns): Initialize current_sched_info before the sched_init
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