* config/h8300/h8300-protos.h: Add a prototype for

[official-gcc.git] / gcc / ChangeLog

2002-06-01  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Add a prototype for
        h8300_shift_needs_scratch_p.
        * config/h8300/h8300.c (h8300_shift_needs_scratch_p): New.
        * config/h8300/h8300.h (OK_FOR_R): New.
        (OK_FOR_S): Likewise.
        (OK_FOR_T): Likewise.
        (EXTRA_CONSTRAINT): Call OK_FOR_R, OK_FOR_S, and OK_FOR_T.
        * config/h8300/h8300.md (anonymous shift patterns): Use
        constraints R, S, and T.

Sat Jun  1 11:23:22 CEST 2002  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * basic-block.h (struct basic_block_def): New field loop_father.
        (BB_VISITED): New flag.
        (struct loop): New field pred, removed field shared.
        (struct loops): New field parray.
        (LOOP_EXITS_DOMS): Removed.
        (flow_loop_tree_node_add, flow_loop_tree_node_remove,
        flow_loop_nested_p, flow_bb_inside_loop_p, get_loop_body,
        dfs_enumerate_from, loop_preheader_edge, loop_latch_edge,
        add_bb_to_loop, remove_bb_from_loops, find_common_loop,
        verify_loop_structure): Declare.
        * cfg.c (entry_exit_blocks): Initialize loop_father field.
        * cfganal.c (dfs_enumerate_from): New function.
        * cfgloop.c (HEAVY_EDGE_RATIO): New constant.
        (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
        flow_loop_nodes_find, flow_loop_level_compute, flow_loop_nested_p,
        flow_loop_dump, flow_loops_dump, flow_loops_free,
        flow_loop_tree_node_add, flow_loop_level_compute,
        flow_loops_level_compute, flow_loop_scan, flow_loops_update,
        flow_loop_outside_edge_p): Modified for new infrastructure.
        (make_forwarder_block, canonicalize_loop_headers, glb_enum_p,
        redirect_edge_with_latch_update, flow_loop_free): New static functions.
        (flow_loop_tree_node_remove, flow_bb_inside_loop_p,
        get_loop_body, add_bb_to_loop, remove_bb_from_loops,
        find_common_loop, verify_loop_structure, loop_latch_edge,
        loop_preheader_edge): New functions.
        (flow_loops_cfg_dump): Do not show dominators, as this information
        does not remain up to date long.
        (flow_loops_find): Store results in new format.
        * predict.c (propagate_freq, estimate_probability,
        estimate_loops_at_level, estimate_bb_frequencies): Use new loop
        infrastructure.

2002-06-01  Alan Lehotsky  <apl@alum.mit.edu>
        
        * except.c (nothrow_function_p): Walk epilogue delay list
        checking the insn, not the chain for potential throws.
        
2002-05-31  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (INSTALL_CPP, UNINSTALL_CPP): Remove.
        (install): Refer to install-cpp directly.
        (uninstall-cpp): Folded into uninstall rule.
        * configure.in: Delete all code relating to --disable-cpp.
        * configure: Regenerate.
        * config/t-install-cpp: Delete.

2002-05-31  Richard Henderson  <rth@redhat.com>

        * configure.in (HAVE_AS_TLS): Add alpha tests.
        * configure: Rebuild.
        * config/alpha/alpha.c (TARGET_AS_TLS): New.
        (alpha_tls_size, alpha_tls_size_string): New.
        (overide_options): Set it.  Always install machine_status hooks.
        (input_operand): Accept got tls predicates.
        (local_symbol_p): Merge into ...
        (local_symbolic_operand): ... here.  Reject tls symbols.
        (global_symbolic_operand): Likewise.
        (tls_symbolic_operand_1, dtp16_symbolic_operand): New.
        (dtp32_symbolic_operand, gotdtp_symbolic_operand): New.
        (tp16_symbolic_operand, tp32_symbolic_operand): New.
        (gottp_symbolic_operand, tls_symbolic_operand_type): New.
        (alpha_encode_section_info): Handle TLS symbols.
        (alpha_strip_name_encoding): Likewise.
        (alpha_legitimate_address_p): Likewise.
        (alpha_legitimize_address): Likewise.
        (alpha_expand_mov): Early exit to avoid nop moves.
        (struct machine_function): Move from unicosmk.h.  Add some_ld_name.
        (alpha_init_machine_status, alpha_mark_machine_status,
        alpha_free_machine_status): Always define.
        (get_some_local_dynamic_name, get_some_local_dynamic_name_1): New.
        (print_operand, print_operand_address): Add TLS relocs.
        * config/alpha/alpha.h (HAVE_AS_TLS): Default 0.
        (MASK_TLS_KERNEL, TARGET_TLS_KERNEL): New.
        (TARGET_SWITCHES): Add -mtls-kernel.
        (alpha_tls_size, alpha_tls_size_string): New.
        (TARGET_OPTIONS): Add -mtls-size=.
        (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS,
        REGNO_REG_CLASS, REG_CLASS_FROM_LETTER): Add R0_REG.
        (ASM_OUTPUT_LABELREF): Skip %.
        (PRINT_OPERAND_PUNCT_VALID_P): Add &.
        (PREDICATE_CODES): Update.
        * config/alpha/alpha.md (UNSPEC_TLSGD_CALL, UNSPEC_TLSLDM_CALL,
        UNSPEC_TLSGD, UNSPEC_TLSLDM, UNSPEC_DTPREL, UNSPEC_TPREL,
        UNSPEC_TP, UNSPECV_SET_TP): New.
        (adddi_er_lo16_dtp, adddi_er_hi32_dtp, adddi_er_lo32_dtp,
        adddi_er_lo16_tp, adddi_er_hi32_tp, adddi_er_lo32_tp, load_tp,
        set_tp, movdi_er_tlsgd, movdi_er_tlsldm, movdi_er_gotdtp,
        movdi_er_gottp, call_value_osf_tlsgd, call_value_osf_tlsldm): New.
        (call_value_osf_2_er): Accept anything as op4.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/unicosmk.h (struct machine_function): Move to alpha.c.

2002-05-31  Zack Weinberg  <zack@codesourcery.com>

        * cppinit.c (append_include_chain): Always pay attention to
        cxx_aware when setting new->sysp.  Remove ATTRIBUTE_UNUSED
        marker on argument.

2002-05-31  Kazu Hirata  <kazu@cs.umass.edu>

        * target.h: Fix formatting.
        * timevar.h: Likewise.
        * tlink.c: Likewise.
        * toplev.c: Likewise.
        * toplev.h: Likewise.
        * tree.c: Likewise.
        * tree-dump.h: Likewise.
        * tree.h: Likewise.
        * tree-inline.h: Likewise.
        * unroll.c: Likewise.
        * unwind-dw2.c: Likewise.
        * unwind-dw2-fde.c: Likewise.
        * unwind-dw2-fde-glibc.c: Likewise.
        * unwind-dw2-fde.h: Likewise.
        * unwind.h: Likewise.
        * unwind-sjlj.c: Likewise.
        * varasm.c: Likewise.
        * varray.h: Likewise.
        * vmsdbg.h: Likewise.
        * vmsdbgout.c: Likewise.
        * xcoffout.h: Likewise.

2002-05-31  Igor Shevlyakov <igor@microunity.com>

        * expr.c (compare_from_rtx): Generate comparison between op0 and op1
        rather than cc0 and 0 in a case when HAVE_cc0 is not defined.

2002-05-31  Matthew Woodcraft  <mattheww@chiark.greenend.org.uk>

        * gcc.c (cpp_unique_options): Remove "-d" options.
        (cpp_debug_options): New spec string.
        (default_compilers): Use it.
        * objc/lang-specs.h: Likewise.

2002-05-31  Nathanael Nerode  <neroden@twcny.rr.com>

        * gcc/Makefile.in: Replace HOST_PREFIX, HOST_PREFIX_1 with
        BUILD_PREFIX, BUILD_PREFIX_1, to correct nomenclature.
        * gcc/mklibgcc.in: Likewise.
        * gcc/config/arc/t-arc: Likewise.
        * gcc/configure.in: Likewise.
        * gcc/configure: Regenerate.

2002-05-31  Stan Shebs  <shebs@apple.com>
            Turly O'Connor  <turly@apple.com>

        * c-decl.c (struct binding_level): Change int field n_incomplete
        to tree list incomplete_list.
        (clear_binding_level): Init field with NULL.
        (pushdecl): Add incomplete type to list.
        (mark_binding_level): Mark the incomplete list.
        (finish_struct): Scan the incomplete list for types instead
        of all decls in the current binding level.

2002-05-31  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.c (output_millicode_call): Add missing '%' characters.
        (output_call): Likewise.

2002-05-31  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/xcoff.h (HOT_TEXT_SECTION_NAME): Define.
        (UNLIKELY_EXECUTED_TEXT_SECTION_NAME): Define.

2002-05-31  Alan Lehotsky <apl@alum.mit.edu>
        
        * varasm.c (mark_constant_pool): Walk epilogue delay list
        checking the insn, not the chain for potential constants.

Fri May 31 12:38:43 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * config/sh/elf.h (ASM_SPEC): Use subtarget_endian_asm_spec.

Fri May 31 13:50:19 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.c (classify_argument): Properly handle base types.

        * dwarf2out.c (expand_builin_init_dwarf_reg_sizes):
        Store first DWARF_FRAME_REGISTERS dwarf registers, not pseudo
        registers.

Fri May 31 13:37:54 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * gcse.c (gcse_emit_move_after): New.
        (pre_delete, hoist_store): Use it.

        * reload1.c (emit_input_reload_insns): Use constrain_operands
        instead of constraint_accepts_reg_p to verify optimization.
        (constraint_accepts_reg_p): Kill

        * reload1.c (reload_cse_delete_noop_set): Kill.
        (reload_cse_simplify): use delte_insn_and_edges.

2002-05-31  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloop.c (flow_loops_find): Initialize first and last fields
        correctly.

2002-05-31  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (builtin_define_std): Correct logic.

2002-05-31  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.c (output_millicode_call): Correct "be,l" insn for TARGET_PA_20.
        (output_call): Likewise.

2002-05-31  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.c: Move output.h include after tree.h include.
        (pa_asm_output_mi_thunk): Constify identifier lab.

2002-05-31  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/ns32k/ns32k.h: Define named constants for the
        bits in target_flags and use them.
        * config/ns32k/netbsd.h (TARGET_DEFAULT): Use named constants.

2002-05-30  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * config.gcc (tm_file): Prefix pa/pa-700.h to tm_file list for PA1.0
        architecture and pa/pa-7100.h for PA1.1 architecture, respectively.
        * pa/pa.c (override_options): Use TARGET_SCHED_DEFAULT to select
        default scheduling model.
        * pa/pa.h (TARGET_SCHED_DEFAULT): Define if not defined to "8000".
        * pa/pa-700.h (TARGET_SCHED_DEFAULT): New file for "700" scheduling.
        * pa/pa-7100.h (TARGET_SCHED_DEFAULT): New file for "7100" scheduling.
        * doc/install.texi (hppa*-*-*): Document default scheduling.

2002-05-30  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.c (following_call): Check TARGET_JUMP_IN_DELAY.

2002-05-31  Jason Thorpe  <thorpej@wasabisystems.com>

        * config.gcc (ns32k-*-netbsd*): Set tm_file to
        "${tm_file} netbsd.h netbsd-aout.h ns32k/netbsd.h"
        * config/ns32k/netbsd.h: Don't include ns32k/ns32k.h,
        netbsd.h, or netbsd-aout.h.

2002-05-31  Jason Thorpe  <thorpej@wasabisystems.com>

        * longlong.h (count_trailing_zeros): Add missing \, and clean up
        whitespace in __ns32000__ case.

2002-05-31  Aldy Hernandez  <aldyh@redhat.com>

        * expr.c (expand_expr): Output partially zeroed out vectors with
        output_constant_def.

2002-05-30  Jason Thorpe  <thorpej@wasabisystems.com>

        * config.gcc (sh[123456789l]*-*-*): Set cpu_type to sh.
        (sh-*-netbsdelf*)
        (shl*-*-netbsdelf*): New targets.
        * config/sh/netbsd-elf.h: New file.

2002-05-30  Richard Henderson  <rth@redhat.com>
            Eric Botcazou  <ebotcazou@multimania.com>

        PR optimization/6822
        * config/i386/i386.c (ix86_expand_int_movcc): Don't cast INTVAL
        to unsigned int for op1 comparisons.  Use gen_int_mode.

2002-05-30  Eric Botcazou  <ebotcazou@multimania.com>

        * expmed.c (const_mult_add_overflow_p): New.
        * expr.h: Declare it.
        * loop.c (maybe_eliminate_biv_1) [COMPARE]: Use it.
        Don't eliminate the biv if the giv has a constant multiplier and
        the rhs argument of the comparison does satisfy the predicate.
        Use expand_mult_add to compute the replacement constant.

2002-05-30  Osku Salerma  <osku@iki.fi>

        * c-common.c (c_common_attribute_table): Add "may_alias" entry.
        (c_common_get_alias_set): Handle it.
        * doc/extend.texi: Document it.

2002-05-30  Richard Henderson  <rth@redhat.com>

        * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): Kill.
        * toplev.c (process_options): Don't check it.
        * doc/tm.texi: Don't document it.
        * config/i386/linux.h (SUBTARGET_FRAME_POINTER_REQUIRED): New.
        (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): Kill.
        * config/i386/i386.c (ix86_frame_pointer_required): Suppress leaf
        frame pointer optimization if current_function_profile.

2002-05-30  Kazu Hirata  <kazu@cs.umass.edu>

        * langhooks.c: Fix formatting.
        * langhooks.h: Likewise.
        * lcm.c: Likewise.
        * libgcc2.c: Likewise.
        * lists.c: Likewise.
        * local-alloc.c: Likewise.
        * loop.c: Likewise.
        * loop.h: Likewise.

2002-05-30  Marc Espie <espie@openbsd.org>

        * config.gcc (sparc64-*-openbsd*): New.
        * config/sparc/openbsd1-64.h: New.
        * config/sparc/openbsd64.h: New.

2002-05-30  Jeff Law <law@redhat.com>

        * flow.c (propagate_one_insn): Revise yesterday's patch.  Delete
        a dead insn with a REG_RETVAL note when the entire libcall is not
        dead and remove the associated REG_LIBCALL note at the same time.

Thu May 30 19:54:30 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * lcm.c (output.h): #include.
        (compute_earliest): Remove hack to treat renumbered EXIT_BLOCK
        as an ordinary block.
        (optimize_mode_switching): Don't pretend that the exit block is
        an ordinary block, or handle sucessors of entry block specially.
        Instead, split edges from entry block and to exit block, and
        put a computing definition on the thus gained post-entry-block,
        and a need on the pre-exit-block.

Thu May 30 20:28:01 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * gengenrtl.c (type_from_format, accessor_from_format): Support 'B'.
        * rtl.texi: Document 'B'

2002-05-30  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Compute
        at run-time.
        (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 96 if not __mc68010__.

2002-05-30  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Return
        const0_rtx instead of NULL_RTX when in error.
        (altivec_expand_abs_builtin): Same.
        (rs6000_expand_binop_builtin): Same.
        (altivec_expand_predicate_builtin): Same.
        (altivec_expand_stv_builtin): Same.
        (rs6000_expand_ternop_builtin): Same.
        (altivec_expand_builtin): Same.

2002-05-29  David S. Miller  <davem@redhat.com>

        * rtl.h (clear_emit_caches): Delete.
        * integrate.c (output_inline_function): Don't call it.
        * emit-rtl.c (restore_emit_status, init_emit): Likewise.
        (clear_emit_caches): Delete definition.
        (SEQUENCE_RESULT_SIZE, sequence_result, free_insn): Likewise.

2002-05-30  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c: Include real.h.
        (mmix_constant_address_p): Remove redundant test before switch.

2002-05-29  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/mips/mips.h (READONLY_DATA_SECTION_ASM_OP): Define
        only if not already defined.

2002-05-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Remove prototypes for
        ok_for_bclr and small_power_of_two.
        * config/h8300/h8300.c (small_power_of_two): Remove.
        (ok_for_blcr): Likewise.
        (fix_bit_operand): Make WHAT deal with an integer instead of a
        constraint character.
        * config/h8300/h8300.h (CONST_OK_FOR_O): Remove.
        (CONST_OK_FOR_P): Likewise.
        (CONST_OK_FOR_LETTER_P): Do not call CONST_OK_FOR_O or
        CONST_OK_FOR_P any more.
        * config/h8300/h8300.md (andqi3): Adjust to the new prototype
        of fix_bit_operand.
        (iorqi3): Likewise.
        (xorqi3): Likewise.

2002-05-29  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Define.
        (CPP_PREDEFINES): Make sure this is undefined.
        (CPP_SPEC): Place -D__mips=1 at the beginning of the spec,
        since it is no longer in CPP_PREDEFINES.  Don't -U__MIPSEL__
        or -U__MIPSEB__ before defining one or the other.  Instead,
        use %(subtarget_endian_default) if neither -EB nor -EL are
        specified.
        (SUBTARGET_EXTRA_SPECS): Define.
        (SUBTARGET_CPP_SPEC): Remove __LONG64 handling.  Use
        %(netbsd_cpp_spec).

2002-05-29  Hans-Peter Nilsson  <hp@axis.com>

        * doc/md.texi (Patterns): Note pattern condition pitfall
        for unnamed insn.

2002-05-29  Aldy Hernandez  <aldyh@redhat.com>

        * rs6000.c: (altivec_expand_builtin): Only expand altivec builtins
        when TARGET_ALTIVEC.  Move handling of generic unary, binary, and
        ternary operations from here...
        (rs6000_expand_builtin): ...to here.
        New argument expandedp.
        Change all instances of altivec_expand_binop_builtin to
        rs6000_expand_binop_builtin.
        (altivec_expand_unop_builtin): Rename to
        rs6000_expand_unop_builtin.
        (altivec_expand_binop_builtin): Rename to
        rs6000_expand_binop_builtin.
        (altivec_expand_ternop_builtin): Rename to
        rs6000_expand_ternop_builtin.

2002-05-29  Richard Henderson  <rth@redhat.com>

        * config/i386/biarch64.h (TARGET_64BIT_DEFAULT): Define with value.
        (TARGET_BI_ARCH): Likewise.
        * config/i386/i386.h: Test TARGET_64BIT_DEFAULT by value.
        (TARGET_SWITCHES): Combine target defaults here not in TARGET_DEFAULT.
        (TARGET_64BIT_DEFAULT): Default to 0.
        (TARGET_DEFAULT): Default to MASK_OMIT_LEAF_FRAME_POINTER.

2002-05-29  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (USE_HIDDEN_LINKONCE): New.
        (get_pc_thunk_name): New.
        (output_set_got): Use it.
        (ix86_asm_file_end): If USE_HIDDEN_LINKONCE, emit get_pc thunks
        into linkonce sections.

2002-05-29  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/sparc/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define.
        (CPP_PREDEFINES): Make sure this is undefined.
        (CPP_SUBTARGET_SPEC64, CPP_SUBTARGET_SPEC32): Remove.
        (CPP_SUBTARGET_SPEC): Don't provide different versions for
        default-32 and default-64.  Just always use %(netbsd_cpp_spec).
        (SUBTARGET_EXTRA_SPECS): Remove cpp_subtarget_spec32 and
        cpp_subtarget_spec64.  Add netbsd_cpp_spec.
        * config/sparc/netbsd.h (TARGET_OS_CPP_BUILTINS): Define.
        (CPP_PREDEFINES): Make sure this is undefined.
        (SUBTARGET_EXTRA_SPECS): Define.
        (CPP_SPEC): Use %(netbsd_cpp_spec).

2002-05-29  Jeff Law <law@redhat.com>

        * pa.h (ASM_OUTPUT_MI_THUNK): Remove unwanted semi-colon.

        * flow.c (propagate_one_insn): Do not remove a dead insn if it
        contains a REG_RETVAL note.

        * haifa-sched (sched_analyze): Remove another useless clearing
        of SCHED_GROUP_P I missed yesterday.

        * pa.h (ASM_OUTPUT_MI_THUNK): Move implementation into pa.c.
        * pa.c (pa_asm_output_mi_thunk): New function.
        * pa-protos.h (pa_asm_output_mi_thunk): Declare.

2002-05-29  Neil Booth  <neil@daikokuya.demon.co.uk>
            Marek Michalkiewicz  <marekm@amelek.gda.pl>

        * config/avr/avr.c (avr_base_arch_macro, avr_extra_arch_macro): New.
        (avr_asm_only_p): Make non-static.
        (enum avr_arch): Remove.
        (avr_arch_types): New.
        (avr_mcu_types): Update.
        (avr_override_options): Use avr_arch_types table instead of switch.
        * avr.h (CPP_PREDEFINES): Die.
        (avr_base_arch_macro, avr_extra_arch_macro): New.
        (TARGET_CPU_CPP_BUILTINS): New.
        (CPP_SPEC, EXTRA_SPECS): Simplify.
        (CPP_AVR1_SPEC, CPP_AVR2_SPEC, CPP_AVR3_SPEC, CPP_AVR4_SPEC,
        CPP_AVR5_SPEC): Die.

2002-05-29  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/arm/netbsd.h (TARGET_OS_CPP_BUILTINS): Use
        NETBSD_OS_CPP_BUILTINS_AOUT.
        (SUBTARGET_EXTRA_SPECS): Define.
        (CPP_SPEC): Use %(netbsd_cpp_spec).

2002-05-29  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_output_function_epilogue): New.
        (TARGET_ASM_FUNCTION_EPILOGUE): New.
        (pic_label_name): Remove.
        (pic_labels_used): New.
        (ix86_asm_file_end): Emit one pc load stub for each register used.
        (output_set_got): Generate deep pc load to any register.
        (ix86_select_alt_pic_regnum): New.
        (ix86_save_reg): Don't save pic register if we can find a valid
        call-clobbered replacement.
        (ix86_expand_prologue): If we found a valid replacement, renumber
        pic_offset_table_rtx.
        * config/i386/i386.h (PIC_OFFSET_TABLE_REGNUM): Look at
        pic_offset_table_rtx after reload.
        (REAL_PIC_OFFSET_TABLE_REGNUM): New.
        * config/i386/i386.md (set_got): Make insn, not expander.
        (set_got_nopic, set_got_deep, set_got_nodeep): Remove.

2002-05-29  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_compute_frame_layout): Do add bottom
        alignment for alloca.

2002-05-29  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (output_pic_addr_const): Lowercase rip.
        (print_operand_address): Only add rip for symbolic addresses
        for which we do not have another relocation type.

2002-05-29  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define.
        (EXTRA_SPECS): Add netbsd_cpp_spec.
        (CPP_SPEC): Use %(netbsd_cpp_spec).
        (CPP_PREDEFINES): Remove.
        * config/m68k/netbsd.h (TARGET_OS_CPP_BUILTINS): Define.
        (EXTRA_SPECS): Define.
        (CPP_SPEC): Use %(netbsd_cpp_spec).
        (CPP_PREDEFINES): Remove.

2002-05-29  Neil Booth  <neil@daikokuya.demon.co.uk>

        PR preprocessor/6844
        * cppmacro.c (cpp_macro_definition): Reserve space for terminating
        NUL.

2002-05-29  Eric Christopher  <echristo@redhat.com>

        * config/mips/linux.h (SUBTARGET_CPP_SPEC): Add support for
        mips5/mips32/mips64 and _MIPS_ISA_MIPSXX.

2002-05-29  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/fr30/fr30.md: Remove previous restriction on splits.
        Enforce conformance through gen_lowpart and cont_int_operand.
        * config/fr30/fr30.h (BSS_SECTION_ASM_OP): Use ".section .bss"
        as the assembler does not support ".bss".

2002-05-29  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/i386/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define.
        (CPP_PREDEFINES): Remove.
        (SUBTARGET_EXTRA_SPECS): Define.
        (CPP_SPEC): Use %(netbsd_cpp_spec).
        * config/i386/netbsd.h (TARGET_OS_CPP_BUILTINS): Define.
        (CPP_PREDEFINES): Remove.
        (SUBTARGET_EXTRA_SPECS): Define.
        (CPP_SPEC): Use %(netbsd_cpp_spec).
        * config/i386/netbsd64.h (TARGET_OS_CPP_BUILTINS): Define.
        (CPP_PREDEFINES, CPP_LP64_SPEC, CPP_SUBTARGET_SPEC): Remove.
        (SUBTARGET_EXTRA_SPECS): Remove cpp_lp64 and cpp_subtarget.
        Add netbsd_cpp_spec.
        (CPP_SPEC): Remove %(cpp_subtarget), add %(netbsd_cpp_spec).

2002-05-29  Neil Booth  <neil@daikokuya.demon.co.uk>
            Zack Weinberg <zack@codesourcery.com>

        * cppexp.c (cpp_num): Move to cpplib.h.
        (CPP_ERROR): Remove.
        (interpret_float_suffix, interpret_int_suffix): New.
        (struct suffix, vsuf_1, vsuf_2, vsuf_3): Remove.
        (cpp_classify_number, cpp_interpret_integer): New.
        (interpret_number): Remove.
        (eval_token): Update to use new routines.
        * cpphash.h (cpp_num_part): Move to cpplib.h.
        * cppinit.c (cpp_post_options): Set warn_long_long.
        * cpplib.h (struct cpp_options): Add warn_long_long.
        (cpp_num, cpp_num_part, CPP_N_CATEGORY, CPP_N_INVALID,
        CPP_N_INTEGER, CPP_N_FLOATING, CPP_N_WIDTH, CPP_N_SMALL,
        CPP_N_MEDIUM, CPP_N_LARGE, CPP_N_RADIX, CPP_N_DEC, CPP_N_HEX,
        CPP_N_OCTAL, CPP_N_UNSIGNED, CPP_N_IMAGINARY, cpp_classify_number,
        cpp_interpret_integer): New.

2002-05-29  Joel Sherrill <joel@OARcorp.com>

        * config/rs6000/rs6000.h (ASM_CPU_SPEC): Use -m403 and -m405.

2002-05-29  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/alpha/netbsd.h (TARGET_OS_CPP_BUILTINS): Use
        NETBSD_OS_CPP_BUILTINS_ELF and NETBSD_OS_CPP_BUILTINS_LP64.
        (CPP_SUBTARGET_SPEC): Define.
        (SUBTARGET_EXTRA_SPECS): Define.
        (CPP_SPEC): Remove.

2002-05-29  Chris Lattner  <sabre@nondot.org>

        * ssa.c (rename_insn_1): Rename uses of undefined registers to
        prevent confusion if/when the register is defined.

2002-05-29  Hans-Peter Nilsson  <hp@axis.com>

        PR target/6838
        * config/cris/cris.md: Fix typos and thinkos in comments.
        ("*mov_sideqi_biap_mem"): Remove '*' in constraint for operand 4,
        second alternative.
        ("*mov_sidehi_biap_mem", "*mov_sidesi_biap_mem"): Ditto.
        ("*mov_sideqi_mem"): Similar, but for operand 3.
        ("*mov_sidehi_mem", "*mov_sidesi_mem"): Ditto.
        (splitter for mov_sideqi_mem, mov_sidehi_mem, mov_sidesi_mem):
        Remove spurious mode specifier on operand 2.

2002-05-29  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300-protos.h: Remove the prototype for
        o_operand.
        Add prototypes for single_one_operand and single_zero_operand.
        * config/h8300/h8300.c (o_operand): Remove.
        (single_one_operand): New.
        (single_zero_operand): Likewise.
        (print_operand): For 'V' operand, and the operand with 0xff.
        For 'V' and 'W' operands, do not and the bit position with 7.
        * config/h8300/h8300.md (various anonymous patterns): Replace
        use of exact_log2 with single_one_operand/single_zero_operand.

2002-05-29  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.

2002-05-29  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (legitimate_pic_operand_p): Do not
        accept symbolic LARL operands.
        (s390_emit_epilogue): Do not set FRAME_RELATED_P on
        epilogue insns.

2002-05-29  Hartmut Penner  <hpenner@de.ibm.com>

        * config/s390/s390.md (cmpstr_64/31): Mark whole
        input registers as used.

2002-05-28  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_save_reg): Examine regs_ever_live,
        not current_function_uses_pic_offset_table and
        current_function_uses_const_pool; examine current_function_profile.
        (ix86_expand_prologue): Likewise.  Add pic_offset_table_rtx as
        input to blockage if needed.
        (ix86_expand_call): Do not set current_function_uses_pic_offset_table.
        (legitimize_pic_address): Likewise.  Set regs_ever_live for
        pic_offset_table_rtx when invoked during reload.
        * config/i386/i386.h (FINALIZE_PIC): Remove.
        * config/i386/i386.md (tablejump): Reformat.  Do not set
        current_function_uses_pic_offset_table.
        (tls_global_dynamic, tls_local_dynamic_base): Likewise.
        (blockage): Accept anything as operand 0.

2002-05-28  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/netbsd-aout.h (NETBSD_OS_CPP_BUILTINS_AOUT): Define
        common CPP built-ins for all NetBSD a.out targets.
        * config/netbsd-elf.h (NETBSD_OS_CPP_BUILTINS_ELF): Define
        common CPP built-ins for all NetBSD ELF targets.
        * config/netbsd.h: Add missing notice.
        (NETBSD_OS_CPP_BUILTINS_COMMON): Define common CPP built-ins
        for all NetBSD targets.
        (NETBSD_OS_CPP_BUILTINS_LP64): Define common CPP built-ins
        for all NetBSD targets using an LP64 code model.
        (NETBSD_CPP_SPEC): Define CPP_SPEC parts common to all
        NetBSD targets.

2002-05-28  Richard Henderson  <rth@redhat.com>

        * flow.c (update_life_info_in_dirty_blocks): Only do a partial
        update if UPDATE_LIFE_LOCAL.

2002-05-28  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>

        * config/sh/sh.c: Include real.h for REAL_VALUE_TYPE.

Tue May 28 21:16:18 2002  J"orn Rennecke <joern.rennecke@superh.com>
                          Jason R. Thorpe <thorpej@wasabisystems.com>

        config/sh reorganization to factor out endianness and coff:

        * config/sh/little.h: New file.
        * config/sh/sh.h (TARGET_ENDIAN_DEFAULT): If not already
        defined, define to 0 to select big-endian.
        (SUBTARGET_ASM_ENDIAN_SPEC): Define according to TARGET_ENDIAN_DEFAULT.
        (TARGET_DEFAULT): Include TARGET_ENDIAN_DEFAULT.
        * config/sh/sh64.h (TARGET_DEFAULT): Include TARGET_ENDIAN_DEFAULT.
        * config/sh/t-be: New file.
        * config/sh/t-le: New file.

        * sh.h (SDB_DEBUGGING_INFO, #include "dbxcoff.h"): Moved to sh/coff.h.
        (SDB_DELIM, MAX_OFILE_ALIGNMENT, IDENT_ASM_OP): Likewise.
        (TARGET_ASM_NAMED_SECTION, ASM_OUTPUT_SKIP): Likewise.
        (USER_LABEL_PREFIX, LOCAL_LABEL_PREFIX): Likewise.
        (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Likewise.
        (ASM_OUTPUT_COMMON, ASM_OUTPUT_LOCAL): Likewise.
        (ASM_FILE_END, ASM_DECLARE_FUNCTION_NAME): Deleted.
        (CPP_SPEC, SUBTARGET_CPP_ENDIAN_SPEC): Likewise.
        (SUBTARGET_CPP_SPEC, CPP_DEFAULT_CPU_SPEC, CPP_PREDEFINES): Likewise.
        (EXTRA_SPECS): Remove SUBTARGET_CPP_ENDIAN_SPEC and
        CPP_DEFAULT_CPU_SPEC.  Add LINK_EMUL_PREFIX, LINK_DEFAULT_CPU_EMUL,
        SUBTARGET_LINK_EMUL_SUFFIX and SUBTARGET_LINK_SPEC.
        (LINK_SPEC): Define to SH_LINK_SPEC.
        (TARGET_CPU_CPP_BUILTINS, SH_LINK_SPEC): Define.
        (LINK_EMUL_PREFIX, LINK_DEFAULT_CPU_EMUL): Likewise.
        (SUBTARGET_LINK_EMUL_SUFFIX, SUBTARGET_LINK_SPEC): Likewise.
        (CPP_SPEC): Reduce to %(subtarget_cpp_spec).
        (TARGET_ENDIAN_DEFAULT): Define if not already defined.
        * config/sh/coff.h: New file.
        (TARGET_ASM_NAMED_SECTION): Now default_coff_asm_named_section
        (TARGET_OBJFMT_CPP_BUILTINS): Define.
        * config/sh/elf.h (IDENT_ASM_OP): No need to #undef at the start.
        (ASM_FILE_END, ASM_OUTPUT_SOURCE_LINE): Likewise.
        (DBX_OUTPUT_MAIN_SOURCE_FILE_END, TARGET_ASM_NAMED_SECTION): Likewise.
        (ASM_DECLARE_FUNCTION_NAME, MAX_OFILE_ALIGNMENT, SIZE_TYPE): Likewise.
        (PTRDIFF_TYPE): Likewise.
        ("dbxelf.h", "elfos.h", "svr4.h"): Don't #include.
        (CPP_PREDEFINES): Don't define.
        (TARGET_OBJFMT_CPP_BUILTINS): Define.
        (LINK_SPEC): Define to SH_LINK_SPEC.
        (LINK_EMUL_PREFIX): Redefine.
        * config/sh/linux.h: (SUBTARGET_CPP_SPEC): Remove -fpic / -fPIC cases.
        (SUBTARGET_CPP_ENDIAN_SPEC, CPP_DEFAULT_CPU_SPEC): Remove redefinition.
        (CPP_PREDEFINES, SUBTARGET_ASM_ENDIAN_SPEC): Likewise.
        (CC1_SPEC, CC1PLUS_SPEC, LINK_SPEC): Likewise.
        (TARGET_OS_CPP_BUILTINS): Define.
        (TARGET_DEFAULT): Redefine.
        (SUBTARGET_LINK_EMUL_SUFFIX, SUBTARGET_LINK_SPEC): Likewise.
        * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): Remove.
        (LINK_SPEC): Don't redefine.
        (LINK_DEFAULT_CPU_EMUL): Redefine.
        (TARGET_DEFAULT): Include TARGET_ENDIAN_DEFAULT.
        * sh.c (sh_asm_named_section): Don't declare / define.
        * t-linux (MULTILIB_OPTIONS): Rely on pre-set endianness option.
        * config.gcc (sh-*-elf* tm_file): Add dbxelf.h elfos.h svr4.h.
        (sh64-*-elf* tm_file): Likewise.
        (sh-*-rtemself* tm_file): Likewise.
        (sh-*-linux* tm_file): Likewise.  Add sh/little.h.
        (sh-*-linux* tmake_file): Add sh/t-le.
        (sh-*-rtems* tm_file): Add sh/coff.h
        (sh-*-* tm_file): Likewise.

Tue May 28 21:16:18 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.h (LEGITIMATE_PIC_OPERAND_P): Check for SYMBOL_REF before using
        CONSTANT_POOL_ADDRESS_P.

        * coff.h (HAS_INIT_SECTION, INVOKE__MAIN): Define.

2002-05-28  David Edelsohn  <edelsohn@gnu.org>
            Jeff Law <law@redhat.com>

        * optabs.c (expand_binop): Fix nwords sign warnings.
        generate pseudo for add_optab.

        * sched-deps.c (sched_analyze): Do not clear SCHED_GROUP_P.
        * haifa-sched.c (move_insn): Clear SCHED_GROUP_P after it is used.

2002-05-28      Marc Espie <espie@openbsd.org>

        * config/i386/openbsd.h (HAVE_GAS_MAX_SKIP_P2ALIGN):  Remove,
        inherited from gas.h.
        (ASM_QUAD):  Undef.  OpenBSD does not support it.

2002-05-28  Danny Smith  <dannysmith@users.sourceforge.net>

        * doc/install.texi (binaries): Change mingw binaries
        link to www.mingw.org.

2002-05-28  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgloop.c (flow_loops_cfg_dump): Use bb->index, not i.

2002-05-28  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_compute_frame_layout): Do not add
        bottom alignment for leaf functions.

2002-05-28  Zack Weinberg  <zack@codesourcery.com>

        * config/pa/milli32.S, config/pa/lib1funcs.asm,
        config/sparc/sol2-g1.asm: Delete unused files.

2002-05-28  Richard Henderson  <rth@redhat.com>

        * cfg.c (dump_flow_info): Print bb->index, not i, for block number.

        * flow.c (calculate_global_regs_live): Rename call_used to
        invalidated_by_call.  Initialize from regs_invalidated_by_call
        instead of call_used_regs.

        * varasm.c (default_binds_local_p): Check TREE_PUBLIC before
        DECL_EXTERNAL.

2002-05-28  Zack Weinberg  <zack@codesourcery.com>

        * tree.h: Don't include real.h.
        Forward-declare struct realvaluetype.
        (struct tree_real_cst): Point to the REAL_VALUE_TYPE, do not
        contain it.
        (TREE_REAL_CST_PTR): New accessor.
        (TREE_REAL_CST): Update.
        * real.h: Include machmode.h.
        (realvaluetype): Make it struct realvaluetype, not a typedef.
        (build_real): Prototype here.

        * tree.c: Include real.h.
        (build_real): Allocate the REAL_VALUE_TYPE as a separate
        object in GC memory, set TREE_REAL_CST_PTR to point to it.
        (build_real_from_int_cst): Use build_real.
        * ggc-common.c (ggc_mark_trees): Mark TREE_REAL_CST_PTR of a
        REAL_CST.

        * builtins.c, c-common.c, c-lex.c, dwarf2out.c, expr.c,
        fold-const.c, print-tree.c, real.c: Include real.h.
        * Makefile.in: Update dependency lists.

2002-05-28  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * basic-block.h (last_basic_block): Declare.
        (expunge_block_nocompact): Declaration removed.
        (compact_blocks): Declare.
        * cfg.c (last_basic_block): New variable.
        (expunge_block_nocompact): Removed.
        (expunge_block): Do not compact basic blocks.
        (compact_blocks): New.
        * cfganal.c (flow_call_edges_add): Use the fact that bb indices no
        longer change.
        * cfgbuild.c (find_basic_blocks_1, find_basic_blocks): Set
        last_basic_block.
        * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Do not change
        real positions of blocks.
        (delete_unreachable_blocks): Simplified -- quadratic behavior now
        cannot occur.
        (cleanup_cfg): Compact blocks.
        * cfgrtl.c (create_basic_block): Insert basic blocks to the end of
        basic_block_info varray.
        (flow_delete_block): Comment update.
        (back_edge_of_syntactic_loop_p): Modify position check code.
        (verify_flow_info): Update checking.
        * flow.c (calculate_global_regs_live): Use FOR_EACH_BB.
        * ifcvt.c (SET_ORIG_INDEX, ORIG_INDEX): Removed.
        (find_if_case_1, find_if_case_2, if_convert): Use the fact that bb
        indices no longer change.
        * lcm.c (optimize_mode_switching): Replace n_basic_blocks with
        last_basic_block.
        * predict.c (estimate_bb_frequencies): Remove unneccessary code.
        * profile.c (branch_prob): Compact blocks.
        * sched-rgn.c (find_rgns): Replace n_basic_blocks with
        last_basic_block.

2002-05-28  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (two anonymous patterns): New.

2002-05-28  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.md (cpu): Tidy.
        (type): Delete 'return', add 'ialuX', 'flushw', 'iflush', and
        'trap'.
        (in_call_delay): Delete reference to 'return' type.
        (eligible_for_return_delay, in_return_delay, define_delay
        referencing those): Delete.
        (rest of file): Use new type attributes as appropriate.
        * config/sparc/sparc-protos.h (eligible_for_return_delay): Delete.
        * config/sparc/sparc.c (eligible_for_return_delay): Likewise.
        * config/sparc/ultra1_2.md (us1_single): New reservation.
        (us1_ialuX): Likewise.
        * config/sparc/ultra3.md (us3_single): Likewise.
        (us3_ialuX): Likewise.
        (us3_imul, us3_idiv): Tweak.

2002-05-28  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_in_small_data_p): Return false for
        STRING_CST.

2002-05-28  Richard Henderson  <rth@redhat.com>

        * config.gcc: Obsolete mn10200.

2002-05-28  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppexp.c (interpret_number): Optimize for single-digit
        and less-than-half-precision cases.
        (num_trim, num_positive, num_div_op): Cast constants.

2002-05-27  Bo Thorsen  <bo@suse.de>

        * config/i386/libgcc-x86_64-glibc.ver: Copy this file from the
        3.1 branch. The file was made by Jakub Jelinek.
        * config/i386/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Add i386
        support so multilib doesn't break. And don't define this at all
        when -Dinhibit_libc is used.
        (MULTILIB_DEFAULTS): Always set default to 64 bit compilation.
        * config/i386/t-linux64: Implement full multilib support. Patch
        originally done by Andreas Jaeger and Jakub Jelinek.

2002-05-27  Roger Sayle  <roger@eyesopen.com>

        * c-common.c: Add support for __attribute__((nothrow)) to specify
        that a function cannot throw an exception (using TREE_NOTHROW).
        (handle_nothrow_attribute): New function to process this attribute.

        * doc/extend.texi: Document the new nothrow function attribute.

2002-05-27  H.J. Lu  (hjl@gnu.org)

        * cppexp.c (num_trim): Use 1UL instead of 1 for long int.
        (num_positive): Likewise.
        (num_div_op): Likewise.

2002-05-27  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (c_common_init): Always use intmax_t.

2002-05-27  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (c_common_init): Use intmax_t for now.

2002-05-24  Andrew Haley  <aph@redhat.com>

        * fold-const.c (fold): Don't convert (T)(x & c) into (T)x & (T)c
        if T is a boolean type.

2002-05-27  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * basic-block.h (last_basic_block): Defined as synonym for
        n_basic_blocks.
        * cfganal.c (mark_dfs_back_edges, flow_reverse_top_sort_order_compute,
        flow_depth_first_order_compute, flow_preorder_transversal_compute,
        flow_dfs_compute_reverse_init): Replaced relevant occurences of
        n_basic_blocks with last_basic_block.
        * cfgbuild.c (make_edges): Likewise.
        * cfgloop.c (flow_loop_scan, flow_loops_find): Likewise.
        * cfgrtl.c (verify_flow_info, purge_all_dead_edges): Likewise.
        * combine.c (combine_instructions): Likewise.
        * df.c (df_alloc, df_analyse_1, df_analyse, iterative_dataflow_sbitmap,
        iterative_dataflow_bitmap): Likewise.
        * dominance.c (init_dom_info, calc_dfs_tree_nonrec, calc_dfs_tree,
        calc_idoms, idoms_to_doms): Likewise.
        * flow.c (update_life_info_in_dirty_blocks, free_basic_block_vars):
        Likewise.
        * gcse.c (gcse_main, alloc_gcse_mem, compute_local_properties,
        compute_hash_table, expr_reaches_here_p, one_classic_gcse_pass,
        one_cprop_pass, compute_pre_data, pre_expr_reaches_here_p,
        one_pre_gcse_pass, compute_transpout, delete_null_pointer_checks_1,
        delete_null_pointer_checks, compute_code_hoist_vbeinout,
        hoist_expr_reaches_here_p, hoist_code, one_code_hoisting_pass,
        compute_store_table, build_store_vectors): Likewise.
        * haifa-sched.c (sched_init): Likewise.
        * ifcvt.c (if_convert): Likewise.
        * lcm.c (compute_antinout_edge, compute_laterin, compute_insert_delete,
        pre_edge_lcm, compute_available, compute_nearerout,
        compute_rev_insert_delete, pre_edge_rev_lcm, optimize_mode_switching):
        Likewise.
        * predict.c (estimate_probability, process_note_prediction,
        note_prediction_to_br_prob): Likewise.
        * profile.c (GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): Likewise.
        * recog.c (split_all_insns, peephole2_optimize): Likewise.
        * regrename.c (copyprop_hardreg_forward): Likewise.
        * resource.c (init_resource_info): Likewise.
        * sched-rgn.c (build_control_flow, find_rgns, compute_trg_info,
        init_regions, schedule_insns): Likewise.
        * ssa-ccp.c (ssa_const_prop): Likewise.
        * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
        * ssa.c (compute_dominance_frontiers,
        compute_iterated_dominance_frontiers, convert_to_ssa): Likewise.

        * df.c (df_refs_unlink): Fix FOR_EACH_BB usage (in #if 0'ed code)
        * gcse.c (alloc_rd_mem, alloc_avail_expr_mem): Use n_blocks for vector
        sizes consistently.

Mon May 27 14:28:12 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (can_hoist_p, hoist_insn_after, hoist_insn_to_edge):
        new.
        * rtlanal.c (hoist_test_store, can_hoist_insn_p, hoist_update_store,
        hoist_insn_after, hoist_insn_to_edge): New.

Mon May 27 12:14:02 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (PEOP_SCAN_DEAD_STORES): New.
        (PROP_FINAL): Include.
        * flow.c (life_analysis, update_life_info,
        init_propagate_block_info, mark_set_1, mark_used_rgs):
        Support SCAN_DEAD_STORE.

2002-05-27  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (c_common_init): Set CPP arithmetic precision.
        * cppexp.c (cpp_num_part): Move typedef ...
        * cpphash.h: ...here; make unsigned HOST_WIDE_INT.
        * cppinit.c (cpp_create_reader): Default to host long arithmetic.
        (sanity_checks): Update.

2002-05-26  Geoffrey Keating  <geoffk@redhat.com>

        * Makefile.in (INSTALL_HEADERS): Add 'install-mkheaders'.
        (mkheaders): New rule.
        (install-mkheaders): New rule.
        * configure.in (all_outputs): Add mkheaders.
        * configure: Regenerate.
        * mkheaders.in: New file.

2002-05-26  Jakub Jelinek  <jakub@redhat.com>

        * cse.c (fold_rtx): Don't optimize if SUBREG changes mode class.

2002-05-26  Andreas Jaeger  <aj@suse.de>

        * cfg.c (dump_flow_info): Remove extra argument to fprintf.

2002-05-26  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppexp.c (possible_sum_sign, integer_overflow, left_shift,
        right_shift): Remove.
        (cpp_num, cpp_num_part, PART_PRECISION, HALF_MASK, LOW_PART,
        HIGH_PART): New.
        (struct op): Use cpp_num.
        (num_zerop, num_eq, num_positive, num_greater_freq, num_trim,
        num_part_mul, num_unary_op, num_binary_op, num_negate,
        num_bitwise_op, num_inequality_op, num_equality_op, num_mul,
        num_div_op, num_lshift, num_rshift, append_digit): New.
        (interpret_number, parse_defined, eval_token, reduce): Update
        for two-integer arithmetic.
        (binary_handler): New typedef.
        (optab): Update.
        (COMPARE, EQUALITY, BITWISE, MINMAX, UNARY, SHIFT): Delete.
        (_cpp_parse_expr, reduce): Update to handle two-integers.
        * cpplib.c (_cpp_test_assertion): Back up on CPP_EOF.

2002-05-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        * config/avr/avr-protos.h (avr_out_sbxx_branch): Declare.
        * config/avr/avr.c (jump_over_one_insn_p): Take length of the
        branch insn into account, do not assume 1.
        (avr_out_sbxx_branch): New function.  Optimize cases of skipping
        over single word insn.  Handle upper half of I/O space too.
        * config/avr/avr.md (*sbrx_branch): Use it.
        (*sbrx_and_branchhi, *sbrx_and_branchsi): Likewise.
        (*sbix_branch, *sbix_branch_bit7): Likewise.
        (*sbix_branch_tmp, *sbix_branch_tmp_bit7): New.
        Use RTL peepholes to optimize register operand sign tests.

2002-05-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        * config/avr/avr.c (avr_asm_only_p): New variable.
        (avr_override_options): Set it here if AVR1.
        (asm_file_start): Test it here, report an error if set.

2002-05-26  Kazu Hirata  <kazu@cs.umass.edu>

        * alias.c: Fix formatting.
        * attribs.c: Likewise.
        * bb-reorder.c: Likewise.
        * bitmap.c: Likewise.
        * bitmap.h: Likewise.
        * builtins.c: Likewise.

Sun May 26 14:00:44 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * reload.c (find_valid_class): Accept new argument DEST,
        choose class accordingly.
        (push_reload): Update callers.

2002-05-26  Andreas Jaeger  <aj@suse.de>

        * combine.c (combine_instructions): Do not indent #if for
        traditional C.

2002-05-25  Richard Henderson  <rth@redhat.com>

        * c-pragma.c (apply_pragma_weak): Convert value identifier to
        string for decl_attributes.
        (handle_pragma_weak): Call assemble_alias if we're modifying
        an existing decl.

2002-05-25  Richard Henderson  <rth@redhat.com>

        PR target/6788
        * config/sparc/sparc.c (sparc_output_mi_thunk): New implementation
        using rtl instead of fprintf.
        * config/sparc/sparc.h (ASM_OUTPUT_MI_THUNK): Use it.
        * config/sparc/sparc-protos.h: Update.

2002-05-25  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in (C_COMMON_H): Fix.
        Update other targets.
        * c-common.c: Don't include c-lex.h.
        (builtin_define_with_value): Make static and prototype.
        (builtin_define_std): Move from c-lex.h.
        * c-common.h (init_c_lex): Move from c-lex.h.
        * c-decl.c: Don't include c-lex.h.
        (make_pointer_declarator): Move from c-parse.in.
        * c-lex.c: Don't include c-lex.h.
        * c-lex.h: Remove.
        * c-parse.in: Don't include c-lex.h; include c-pragma.h.
        (make_pointer_declarator): Move to c-decl.c.
        * c-pragma.c: Don't include c-lex.h.
        * c-pragma.h (yydebug, YYDEBUG, parse_in, c_lex): Move from c-lex.h.
        * c-tree.h (make_pointer_declarator): New.
doc:
        * passes.texi, tm.texi: Update.
objc:
        * Make-lang.in: Update and correct.
        * objc-act.c: Don't include c-lex.h or cpplib.h.
treelang:
        * treetree.c: Don't include c-lex.h.
config:
        * darwin-c.c: Don't include c-lex.h.
        * c4x/c4x-c.c: Don't include c-lex.h.
        * c4x/t-c4x: Update.
        * i370/i370-c.c: Don't include c-lex.h.
        * i370/t-i370: Update.
        * i960/i960-c.c: Don't include c-lex.h.
        * i960/i960.c: Don't include cpplib.h, c-lex.h or c-pragma.h.
        * i960/t-960bare: Update.
        * i960/t-vxworks: Update.
        * rs6000/rs6000-c.c: Don't include c-lex.h; include c-pragma.h.
        * rs6000/t-darwin: Update.
        * rs6000/t-rs6000-c-rule: Update.
        * v850/v850-c.c: Don't include c-lex.h.
        * v850/v850.c: Don't include c-lex.h or cpplib.h.


2002-05-25  Kazu Hirata  <kazu@cs.umass.edu>

        * tree.def: Fix typos.
        * doc/install.texi: Likewise.

2002-05-25  Richard Henderson  <rth@redhat.com>

        * configure.in (HAVE_AS_TLS): Add ia64 test.
        * configure: Rebuild.
        * config/ia64/ia64.c (ia64_tls_size_string, ia64_tls_size): New.
        (override_options): Set it.
        (TARGET_HAVE_TLS): New.
        (sdata_symbolic_operand): Look for 's'.
        (tls_symbolic_operand): New.
        (ia64_expand_load_address): Abort for tls symbols.
        (gen_tls_get_addr): New.
        (gen_thread_pointer): New.
        (ia64_expand_move): Split out from movdi.  Handle tls symbols.
        (rtx_needs_barrier): Add new unspecs.
        (ia64_encode_section_info): Handle tls symbols.
        (ia64_strip_name_encoding): Strip two encoding chars.
        * config/ia64/ia64.h (ia64_tls_size, ia64_tls_size_string): New.
        (TARGET_TLS14, TARGET_TLS22, TARGET_TLS64): New.
        (TARGET_OPTIONS): Add tls-size.
        (ENCODE_SECTION_INFO_CHAR): Rename from SDATA_NAME_FLAG_CHAR.
        * config/ia64/ia64.md (UNSPEC_LTOFF_DTPMOD, UNSPEC_LTOFF_DTPREL,
        UNSPEC_DTPREL, UNSPEC_LTOFF_TPREL, UNSPEC_TPREL, UNSPEC_LD_BASE): New.
        (movqi, movhi, movsi, movdi, movti): Use ia64_expand_move.
        (movsf, movdf): Likewise.
        (movdi_symbolic): Use match_scratch.  Don't split if we won't
        have a scratch availiable.
        (load_ltoff_dtpmod, load_dtprel, load_dtprel64, load_dtprel22,
        add_dtprel, add_dtprel14, add_dtprel22, load_ltoff_tprel, load_tprel,
        load_tprel64, load_tprel22, add_tprel, add_tprel14, add_tprel22): New.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
        sdata_symbolic_operand.
        (ASM_OUTPUT_LABELREF): Strip two characters.

2002-05-25  Kazu Hirata  <kazu@cs.umass.edu>

        * combine.c (simplify_set): Remove an unnecessary subreg.

2002-05-25  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        * config/avr/avr.c (avr_handle_progmem_attribute): Handle TYPE_DECL.

        * config/avr/avr.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_BSS): New.

2002-05-25  Gabriel Dos Reis  <gdr@codesourcery.com>

        * toplev.c (output_clean_symbol_name): Fix another thinko.  Gosh.

2002-05-25  Roger Sayle  <roger@eyesopen.com>

        * simplify-rtx.c (simplify_gen_relational): Simplify the RTX
        (cond (compare x y) 0) into the equivalent (cond x y).

2002-05-25  Gabriel Dos Reis  <gdr@codesourcery.com>

        * toplev.c (output_clean_symbol_name): Use xstrdup.  Fix thinko.

2002-05-24  Zack Weinberg  <zack@codesourcery.com>

        * config.gcc: Remove all stanzas for previously obsoleted
        systems.  Where necessary, add explicit error stanzas to
        prevent removed systems from being misidentified as something
        else.  Begin a fresh obsoletions list, with the systems that
        were reprieved last round.
        * doc/install.texi: Remove all mention of dead targets.
        * fixinc/mkfixinc.sh: Likewise.

        * config/arm/arm.h: Bit 31 of target_flags is no longer
        reserved.

        * config/1750a/1750a-protos.h, config/1750a/1750a.c,
        config/1750a/1750a.h, config/1750a/1750a.md, config/1750a/ms1750.inc,
        config/a29k/a29k-protos.h, config/a29k/a29k.c, config/a29k/a29k.h,
        config/a29k/a29k.md, config/a29k/rtems.h, config/a29k/t-a29kbare,
        config/a29k/t-vx29k, config/a29k/unix.h, config/a29k/vx29k.h,
        config/alpha/osf12.h, config/alpha/osf2or3.h,
        config/arm/arm-wince-pe.h, config/arm/arm.h, config/arm/riscix.h,
        config/arm/riscix1-1.h, config/arm/rix-gas.h, config/arm/t-riscix,
        config/clipper/clipper-protos.h, config/clipper/clipper.c,
        config/clipper/clipper.h, config/clipper/clipper.md,
        config/clipper/clix.h, config/convex/convex-protos.h,
        config/convex/convex.c, config/convex/convex.h,
        config/convex/convex.md, config/convex/fixinc.convex,
        config/convex/proto.h, config/elxsi/elxsi-protos.h,
        config/elxsi/elxsi.c, config/elxsi/elxsi.h, config/elxsi/elxsi.md,
        config/i386/386bsd.h, config/i386/aix386.h, config/i386/aix386ng.h,
        config/i386/bsd386.h, config/i386/dgux.h, config/i386/djgpp-rtems.h,
        config/i386/isc.h, config/i386/iscdbx.h, config/i386/linux-oldld.h,
        config/i386/next.h, config/i386/osf1-ci.asm, config/i386/osf1-cn.asm,
        config/i386/osf1elf.h, config/i386/osf1elfgdb.h, config/i386/osfelf.h,
        config/i386/osfrose.h, config/i386/rtems.h, config/i386/seq-gas.h,
        config/i386/seq-sysv3.h, config/i386/seq2-sysv3.h,
        config/i386/sequent.h, config/i386/sun.h, config/i386/sun386.h,
        config/i386/t-dgux, config/i386/t-next, config/i386/t-osf,
        config/i386/t-osf1elf, config/i860/bsd-gas.h, config/i860/bsd.h,
        config/i860/fx2800.h, config/i860/i860-protos.h, config/i860/i860.c,
        config/i860/i860.h, config/i860/i860.md, config/i860/mach.h,
        config/i860/paragon.h, config/i860/sysv3.h, config/i860/sysv4.h,
        config/i860/t-fx2800, config/i860/varargs.asm, config/m68k/a-ux.h,
        config/m68k/altos3068.h, config/m68k/apollo68.h,
        config/m68k/aux-crt1.c, config/m68k/aux-crt2.asm,
        config/m68k/aux-crtn.asm, config/m68k/aux-exit.c,
        config/m68k/aux-low.gld, config/m68k/aux-mcount.c,
        config/m68k/auxas.h, config/m68k/auxgas.h, config/m68k/auxgld.h,
        config/m68k/auxld.h, config/m68k/ctix.h, config/m68k/dpx2.h,
        config/m68k/dpx2.ifile, config/m68k/dpx2cdbx.h, config/m68k/dpx2g.h,
        config/m68k/isi-nfp.h, config/m68k/isi.h, config/m68k/lynx-ng.h,
        config/m68k/lynx.h, config/m68k/math-3300.h, config/m68k/news.h,
        config/m68k/news3.h, config/m68k/news3gas.h, config/m68k/newsgas.h,
        config/m68k/next.h, config/m68k/next21.h, config/m68k/rtems.h,
        config/m68k/t-aux, config/m68k/t-lynx, config/m68k/t-next,
        config/m68k/x-next, config/m88k/dgux.h, config/m88k/dgux.ld,
        config/m88k/dguxbcs.h, config/m88k/dolph.h, config/m88k/dolphin.ld,
        config/m88k/luna.h, config/m88k/m88k-coff.h, config/m88k/sysv3.h,
        config/m88k/t-bug, config/m88k/t-dgux, config/m88k/t-dgux-gas,
        config/m88k/t-dguxbcs, config/m88k/t-dolph, config/m88k/t-m88k-gas,
        config/m88k/t-tekXD88, config/m88k/tekXD88.h, config/m88k/tekXD88.ld,
        config/mips/bsd-4.h, config/mips/bsd-5.h, config/mips/dec-bsd.h,
        config/mips/dec-osf1.h, config/mips/elflorion.h,
        config/mips/iris4loser.h, config/mips/mips-5.h, config/mips/news4.h,
        config/mips/news5.h, config/mips/nws3250v4.h, config/mips/osfrose.h,
        config/mips/svr3-4.h, config/mips/svr3-5.h, config/mips/svr4-4.h,
        config/mips/svr4-5.h, config/mips/svr4-t.h, config/mips/t-bsd,
        config/mips/t-bsd-gas, config/mips/t-svr3, config/mips/t-svr3-gas,
        config/mips/t-svr4, config/mips/t-svr4-gas, config/mips/t-ultrix,
        config/mips/ultrix.h, config/nextstep-protos.h, config/nextstep.c,
        config/nextstep.h, config/nextstep21.h, config/ns32k/encore.h,
        config/ns32k/merlin.h, config/ns32k/pc532-mach.h,
        config/ns32k/pc532-min.h, config/ns32k/pc532.h,
        config/ns32k/sequent.h, config/ns32k/tek6000.h,
        config/ns32k/tek6100.h, config/ns32k/tek6200.h, config/pj/lib1funcs.S,
        config/pj/linux.h, config/pj/pj-protos.h, config/pj/pj.c,
        config/pj/pj.h, config/pj/pj.md, config/pj/pjl.h, config/pj/t-pj,
        config/sparc/rtems.h, config/we32k/we32k-protos.h,
        config/we32k/we32k.c, config/we32k/we32k.h, config/we32k/we32k.md:
        Delete file.

2002-05-24  Richard Henderson  <rth@redhat.com>

        * flags.h (TLS_MODEL_GLOBAL_DYNAMIC): Set to 1.
        * toplev.c (flag_tls_default) Set to TLS_MODEL_GLOBAL_DYNAMIC.
        * config/i386/i386.c (tls_model_chars): Add leading space.
        (tls_symbolic_operand): Don't bias by 1.
        (legitimize_address): Don't unbias by 1.

2002-05-24  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>

        * lcm.c (optimize_mode_switching): Change bb used as indices
        to bb->index.

2002-05-24  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_reorg): Use update_life_info instead
        of update_life_info_in_dirty_blocks.

2002-05-24  Jakub Jelinek  <jakub@redhat.com>

        PR other/6782
        * final.c (get_mem_expr_from_op): Return 0 if op is NULL.

2002-05-24  Neil Booth  <neil@daikokuya.demon.co.uk>

        PR preprocessor/6780
        * cppmacro.c (enter_macro_context): Clear state.angled_headers.

2002-05-24  Jim Blandy  <jimb@redhat.com>

        * dwarf2out.c (dwarf2out_finish): Don't forget to emit a final
        entry with a type code of zero, marking the end of the compilation
        unit's macro info.

2002-05-24  Richard Henderson  <rth@redhat.com>

        * varasm.c (asm_output_bss): Always output one byte.
        * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Likewise.

2002-05-24  Bryce McKinlay  <bryce@waitaki.otago.ac.nz>

        * tree.c (decl_type_context): Return NULL_TREE if decl's context is a
        namespace.

2002-05-24  Andreas Jaeger  <aj@suse.de>

        * ggc-page.c (alloc_page): Cast variables of type size_t to
        unsigned long, adjust printf format string.
        (ggc_alloc): Likewise.
        (ggc_print_statistics): Likewise.
        (ggc_print_statistics): Correct printf format string for SCALE to
        use unsigned long.

2002-05-24  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/mingw32.h (CPP_SPEC): Remove -remap.

2002-05-23  Gabriel Dos Reis  <gdr@codesourcery.com>
            Zack Weinberg     <zack@codesourcery.com>

        * config/i386/mingw32.h (OUTPUT_QUOTED_STRING): Properly output
        quoted strings.
        * dwarf2out.c (lookup_filename): Properly quote filename in .file
        directive in assembly file.
        * config/m68k/dpx2.h (ASM_OUTPUT_SOURCE_FILENAME): Likewise.
        * config/m88k/m88k.h (ASM_OUTPUT_SOURCE_FILENAME): Likewise.
        * config/pj/pj.h (ASM_FILE_START): Likewise.
        * config/rs6000/xcoff.h (ASM_FILE_START): Likewise.
        * config/avr/avr.c (asm_file_end): Likewise.
        * toplev.c (output_quoted_string): Handle possibly signed plain
        char.
        * toplev.h (output_clean_symbol_name): Declare
        * toplev.c (output_clean_symbol_name): Define.
        * config/alpha/alpha.c (unicosmk_output_module_name): Use it.
        * config/1750a/1750a.h (ASM_FILE_START): Likewise.

2002-05-24  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (output_toc): Mask longs to 32 bits.

2002-05-23  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (reserv_sets_hash_value): Use shift equal to 3/4
        of size of unsigned.

2002-05-23  Richard Henderson  <rth@redhat.com>

        * configure.in (HAVE_AS_TLS): New test.
        * config.in, configure: Rebuild.
        * config/i386/i386.c (TARGET_HAVE_TLS): Set if HAVE_AS_TLS.
        (ix86_tls_dialect_string, ix86_tls_dialect): New.
        (override_options): Set it.
        (tls_model_chars, tls_symbolic_operand): New.
        (tls_symbolic_operand_1, global_dynamic_symbolic_operand): New.
        (local_dynamic_symbolic_operand, initial_exec_symbolic_operand): New.
        (local_exec_symbolic_operand): New.
        (get_pic_label_name): Merge into output_set_got.
        (ix86_asm_file_end): Emit pic_label_name if defined.
        (legitimate_constant_p, constant_address_p): New.
        (legitimate_pic_operand_p): New.
        (legitimate_pic_address_disp_p): Handle GOTTPOFF, NTPOFF, DTPOFF.
        (legitimate_address_p): Likewise.
        (ix86_encode_section_info): Rename from i386_; handle tls decls.
        (ix86_strip_name_encoding): New.
        (get_thread_pointer): New.
        (legitimize_address): Handle tls symbols.
        (output_pic_addr_const): Handle GOTTPOFF, TPOFF, NTPOFF, DTPOFF.
        Remove UNSPEC_PLT.
        (struct machine_function): Add some_ld_name.
        (get_some_local_dynamic_name, get_some_local_dynamic_name_1): Set it.
        (print_operand) [&]: Use it.  Handle UNSPEC_TP.
        (output_addr_const_extra): New.
        (maybe_get_pool_constant): New.
        (ix86_split_to_parts): Use it.
        (ix86_expand_move): Handle tls symbols.
        (ix86_tls_get_addr): New.
        * config/i386/i386.h (TARGET_GNU_TLS, TARGET_SUN_TLS): New.
        (TARGET_OPTIONS): Add tls-dialect.
        (CONSTANT_ADDRESS_P): Use new out-of-line function.
        (LEGITIMATE_CONSTANT_P): Likewise.
        (LEGITIMATE_PIC_OPERAND_P): Likewise.
        (TARGET_STRIP_NAME_ENCODING): New.
        (ASM_OUTPUT_LABELREF): New.
        (PRINT_OPERAND_PUNCT_VALID_P): Add '&'.
        (OUTPUT_ADDR_CONST_EXTRA): New.
        (PREDICATE_CODES): Update.
        (ix86_tls_dialect, ix86_tls_dialect_string): New.
        * config/i386/i386.md: Regroup and renumber unspec constants.
        (tls_global_dynamic_gnu, tls_global_dynamic_sun): New.
        (tls_local_dynamic_base_gnu, tls_local_dynamic_base_sun): New.
        (tls_global_dynamic, tls_local_dynamic_base): New.
        (tls_local_dynamic_once): New.
        * config/i386/i386-protos.h: Update.

2002-05-23  Richard Henderson  <rth@redhat.com>

        * genemit.c (gen_insn): Print file:lineno comment before function.
        (main): likewise.
        * gensupport.c (struct queue_elem): Add filename member.
        (queue_pattern): Initialize it; update all callers.
        (process_include): Don't free filename.
        (read_md_rtx): Set read_rtx_filename.

2002-05-23  Hans Boehm  <Hans_Boehm@hp.com>

        * config/ia64/linux.h (IA64_GATE_AREA_END): Adjust for 64K pages.

2002-05-23  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (output_set_got): Fix typo in pic no-deep case.

2002-05-23  Richard Henderson  <rth@redhat.com>

        * doc/extend.texi (C++98 Thread-Local Edits): Update with
        commentary from Mark.

2002-05-23  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * bb-reorder.c (make_reorder_chain, make_reorder_chain_1):
        Use FOR_EACH_BB macros to iterate over basic block chain.
        * cfg.c (clear_edges, clear_bb_flags, dump_flow_info,
        alloc_aux_for_blocks, clear_aux_for_blocks, alloc_aux_for_edges):
        Likewise.
        * cfganal.c (set_edge_can_fallthru_flag, flow_call_edges_add,
        find_unreachable_blocks, create_edge_list, verify_edge_list,
        remove_fake_edges, add_noreturn_fake_exit_edges,
        flow_preorder_transversal_compute, flow_dfs_compute_reverse_execute):
        Likewise.
        * cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks,
        find_sub_basic_blocks): Likewise.
        * cfgcleanup.c (try_optimize_cfg, delete_unreachable_blocks):
        Likewise.
        * cfglayout.c (record_effective_endpoints, cleanup_unconditional_jumps):
        Likewise.
        * cfgloop.c (flow_loops_cfg_dump, flow_loops_find):
        Likewise.
        * cfgrtl.c (compute_bb_for_insn, tidy_fallthru_edges,
        commit_edge_insertions, commit_edge_insertions_watch_calls,
        print_rtl_with_bb, verify_flow_info, purge_all_dead_edges): Likewise.
        * combine.c (combine_instructions, reg_dead_at_p): Likewise.
        * conflict.c (conflict_graph_compute): Likewise.
        * df.c (df_bitmaps_alloc, df_bitmaps_free, df_alloc, df_analyse_1,
        df_modified_p, df_refs_unlink, df_dump): Likewise.
        * dominance.c (calc_dfs_tree, calculate_dominance_info): Likewise.
        * final.c (compute_alignments): Likewise.
        * flow.c (update_life_info, update_life_info_in_dirty_blocks,
        delete_noop_moves, calculate_global_regs_live, allocate_bb_life_data,
        count_or_remove_death_notes): Likewise.
        * gcse.c (oprs_unchanged_p, record_last_reg_set_info,
        compute_hash_table, compute_kill_rd, compute_rd, compute_ae_kill,
        classic_gcse, compute_transp, cprop, compute_pre_data,
        compute_transpout, invalidate_nonnull_info,
        delete_null_pointer_checks_1, delete_null_pointer_checks,
        compute_code_hoist_vbeinout, hoist_code, compute_ld_motion_mems,
        compute_store_table, build_store_vectors, store_motion): Likewise.
        * global.c (global_conflicts, mark_elimination): Likewise.
        * graph.c (print_rtl_graph_with_bb): Likewise.
        * haifa-sched.c (sched_init): Likewise.
        * ifcvt.c (if_convert): Likewise.
        * lcm.c (compute_antinout_edge, compute_laterin, compute_insert_delete,
        compute_available, compute_nearerout, compute_rev_insert_delete,
        optimize_mode_switching): Likewise.
        * local-alloc.c (local_alloc, update_equiv_regs): Likewise.
        * predict.c (estimate_probability, note_prediction_to_br_prob,
        propagate_freq, counts_to_freqs, expensive_function_p,
        estimate_bb_frequencies): Likewise.
        * profile.c (instrument_edges, get_exec_counts,
        compute_branch_probabilities, compute_checksum, branch_prob,
        find_spanning_tree): Likewise.
        * recog.c (split_all_insns, peephole2_optimize): Likewise.
        * reg-stack.c (reg_to_stack, convert_regs_entry, convert_regs):
        Likewise.
        * regclass.c (scan_one_insn, regclass): Likewise.
        * regmove.c (mark_flags_life_zones, regmove_optimize,
        record_stack_memrefs): Likewise.
        * regrename.c (regrename_optimize, copyprop_hardreg_forward): Likewise.
        * reload1.c (reload, reload_combine, fixup_abnormal_edges): Likewise.
        * resource.c (find_basic_block): Likewise.
        * sched-ebb.c (schedule_ebbs): Likewise.
        * sched-rgn.c (is_cfg_nonregular, build_control_flow,
        find_single_block_region, find_rgns, schedule_insns)
        * sibcall.c (optimize_sibling_and_tail_recursive_call)
        * ssa-ccp.c (optimize_unexecutable_edges,
        ssa_ccp_df_delete_unreachable_insns): Likewise.
        * ssa-dce.c (ssa_eliminate_dead_code): Likewise.
        * ssa.c (find_evaluations, compute_dominance_frontiers_1,
        rename_block, convert_to_ssa, compute_conservative_reg_partition,
        compute_coalesced_reg_partition, rename_equivalent_regs,
        convert_from_ssa): Likewise.
        * config/ia64/ia64.c (emit_predicate_relation_info, process_epilogue,
        process_for_unwind_directive): Likewise.

        * df.c (FOR_ALL_BBS): Removed.
        * gcse.c (struct null_pointer_info): Type of current_block field
        changed.
        (struct reg_avail_info): Type of last_bb field changed.
        * config/ia64/ia64.c (block_num): Removed.
        (need_copy_state): Type changed.
        (last_block): New.

2002-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppinit.c (mark_named_operators): Split out from init_builtins.
        (cpp_finish_options): Call it from here instead.

2002-05-23  Jason Thorpe  <thorpej@wasabisystems.com>

        * builtin-attrs.def: Update copyright years.
        (ATTR_NONNULL): New attribute identifier.
        (ATTR_NONNULL_1, ATTR_NONNULL_2, ATTR_NONNULL_3): New
        attribute tree lists.
        (DEF_FORMAT_ATTRIBUTE): Chain a nonnull attribute for the
        format operand.
        (ATTR_FORMAT_ARG_1, ATTR_FORMAT_ARG_2): Use...
        (DEF_FORMAT_ARG_ATTRIBUTE): ...this to generate format_arg
        attribute lists.  Chain the appropriate nonnull attribute.
        * c-format.c (check_format_arg): Remove null format string
        warning.
        * testsuite/gcc.dg/format/null-1.c: New test.

2002-05-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * Makefile.in (ADAC): Define.
        (SYSLIBS): Define.
        (.SUFFIXES): Move before language makefile fragments.
        (STAGE2_FLAGS_TO_PASS): Use stage CC as ADAC.

2002-05-23  Mark Mitchell  <mark@codesourcery.com>

        * varasm.c (make_decl_rtl): Don't allow weak variables to be
        placed in common.

Thu May 23 19:43:41 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * cfg.c (dump_flow_info): Print results of
        maybe_hot/probably_never_executed predicates.
        * toplev.c (open_dump_file): Print function frequency.

2002-05-23  David S. Miller  <davem@redhat.com>

        * cse.c (approx_reg_cost_1, approx_reg_cost): Recode to not use
        regsets.

2002-05-23  Jason Thorpe  <thorpej@wasabisystems.com>

        * c-common.c (warn_nonnull): Declare.
        (c_common_attribute_table): Add "nonnull" attribute.
        (handle_nonnull_attribute, check_function_nonnull, nonnull_check_p,
        check_nonnull_arg, get_nonnull_operand, check_function_arguments,
        check_function_arguments_recurse): New functions.
        * c-common.h (warn_nonnull): Declare extern.
        (check_function_arguments, check_function_arguments_recurse): New
        prototypes.
        * c-decl.c (c_decode_option): Add -Wnonnull option.
        * c-format.c (set_Wformat): Set warn_nonnull if enabling
        format checking.
        (format_check_context): New structure.
        (check_format_info_recurse): Remove recursion and rename to...
        (check_format_arg): ...this.  Update comment.
        (check_format_info): Use check_function_arguments_recurse.
        * c-typeck.c (build_function_call): Call check_function_arguments
        instead of check_function_format.
        * doc/extend.texi: Document "nonnull" attribute.
        * doc/invoke.texi: Docuemnt -Wnonnull option.
        * testsuite/gcc.dg/nonnull-1.c: New test.
        * testsuite/gcc.dg/nonnull-2.c: New test.

2002-05-23  David S. Miller  <davem@redhat.com>

        * basic-block.h (CLEANUP_NO_INSN_DEL): Define it.
        * cfgcleanup.c (cleanup_cfg): If it is set do not
        attempt to delete trivially dead insns.
        * except.c (finish_eh_generation): Pass it to cleanup_cfg.
        * toplev.c (rest_of_compilation): Document non-trivial aspect
        the RTL before optimize_save_area_alloca is run.

2002-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-lex.c (indent_level): Remove.
        (cb_file_change, c_lex): Remove indent level handling.
        * c-lex.h (indent_level): Remove.
        * input.h (struct file_stack): Remove indent_level.
        * toplev.c (push_srcloc): Remove indent_level handling.

2002-05-23  Jakub Jelinek  <jakub@redhat.com>

        PR target/6753
        * config/i386/i386.md (sse_movdfcc, sse_movdfcc_eq): Use Y instead
        of x in constraints for clarity.
        (sse_mov?fcc split): abort if op2 == op3.
        (sse_movsfcc_const0_1, sse_movsfcc_const0_2, sse_movsfcc_const0_3,
        sse_movsfcc_const0_4): Add earlyclobber.
        (sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
        sse_movdfcc_const0_4): Likewise.  Use DFmode, not SFmode.
        Use Y instead of x in constraints.

2002-05-23  Richard Henderson  <rth@redhat.com>

        * doc/extend.texi (C99 Thread-Local Edits): New subsection.
        (C++98 Thread-Local Edits): New subsection.

        * config/i386/i386.c, config/i386/i386.h: Tidy comments and whitespace.
        (ix86_arch): Set type to enum processor_type.

        * config/i386/i386.md (movsi_1, movdi_1_rex64): Use
        LEGITIMATE_PIC_OPERAND_P not SYMBOLIC_CONST.

2002-05-23  Jakub Jelinek  <jakub@redhat.com>

        * configure.in: Fix as version test for binutils 2.12.1 releases
        (without dates).
        * configure: Rebuilt.

2002-05-23  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (get_pic_label_name): New.
        (load_pic_register): Remove.
        (output_set_got): New.
        (ix86_expand_prologue): Use gen_set_got; mark insn REG_MAYBE_DEAD.
        * config/i386/i386.md (UNSPEC_SET_GOT): New.
        (UNSPECV_PROLOGUE_SET_GOT, UNSPECV_PROLOGUE_GET_PC): Remove.
        (prologue_set_got, prologue_get_pc): Remove.
        (set_got, set_got_nopic, set_got_deep, set_got_nodeep): New.
        (builtin_setjmp_receiver): Use gen_set_got.
        * config/i386/i386-protos.h: Update.

Thu May 23 09:22:23 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * gcse.c (hash_expr): Do not use alias set for hashing.

2002-05-22  Kevin Buettner  <kevinb@redhat.com>

        * dbxout.c (dbxout_class_name_qualifiers): New function.
        (dbxout_symbol): Output class/struct qualifiers for a .stabs entry.

2002-05-23  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpperror.c (_cpp_begin_message): No special casing
        of CPP_FATAL_LIMIT.
        * cppinit.c (sanity_checks): s/DL_FATAL/DL_ICE/.
        (output_deps, cpp_handle_option, cpp_post_options): Use DL_ERROR.
        * cpplib.c (do_include_common): Use DL_ERROR.
        * cpplib.h (CPP_FATAL_LIMIT, CPP_FATAL_ERRORS, DL_FATAL): Remove.
        (DL_ICE): Renumber.
        * fix-header.c (read_scan_file): Update.

2002-05-22  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_call): New function, extracted
        from md call patterns.  Add pic_offset_table_rtx to
        CALL_INSN_FUNCTION_USAGE when needed.
        * config/i386/i386.md (call_pop, call): Use ix86_expand_call.
        (call_value_pop, call_value, untyped_call): Likewise.
        (call_exp, call_value_exp): Remove.
        * config/i386/i386-protos.h: Update.

2002-05-22  Richard Henderson  <rth@redhat.com>

        * varasm.c (default_section_type_flags): Check for VAR_DECL
        before using DECL_THREAD_LOCAL.

2002-05-22  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix43.h (LINK_SPEC): Add PE initializer.
        (STARTFILE_SPEC): Delete PE crt0.o.
        * config/rs6000/aix51.h: Same.
        * config/rs6000/rs6000.c: Use TARGET_XCOFF, not OBJECT_FORMAT_COFF.
        * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): Append [DS] to
        function descriptor symbol.  Use RS6000_OUTPUT_BASENAME.
        (ASM_OUTPUT_DEF_FROM_DECLS): Use RS6000_OUTPUT_BASENAME.
        * config/rs6000/xcoff.h (ASM_OUTPUT_DEF): Define.

2002-05-22  Richard Henderson  <rth@redhat.com>

        * varasm.c (default_section_type_flags): Handle tls data and
        default sections.
        (default_unique_section): Handle tls sections.

2002-05-23  Alan Modra  <amodra@bigpond.net.au>

        * configure.in (CROSS): Define NATIVE_CROSS.
        * configure: Regenerate.
        * gcc.c (STARTFILE_PREFIX_SPEC): Define.
        (startfile_prefix_spec): New var.
        (static_specs): Add startfile_prefix_spec.
        (do_spec_2): Split out from..
        (do_spec): ..here.
        (main): Process startfile_prefix_spec.
        * config/rs6000/linux64.h (LINK_OS_LINUX_SPEC) Change name of
        dynamic linker.
        (STARTFILE_PREFIX_SPEC): Define.
        (STARTFILE_LINUX_SPEC, ENDFILE_LINUX_SPEC): Rewrite without
        absolute paths.

2002-05-22  Kazu Hirata  <kazu@cs.umass.edu>

        * cpperror.c: Fix formatting.
        * cppexp.c: Likewise.
        * cppfiles.c: Likewise.
        * cpphash.c: Likewise.
        * cpphash.h: Likewise.
        * cppinit.c: Likewise.
        * cpplex.c: Likewise.
        * cpplib.c: Likewise.
        * cppmacro.c: Likewise.
        * cppmain.c: Likewise.
        * cppspec.c: Likewise.

2002-05-22  Jakub Jelinek  <jakub@redhat.com>

        * combine.c (force_to_mode): Use gen_int_mode.
        Don't clear CONST_INT bits outside of mode.

2002-05-22  Richard Henderson  <rth@redhat.com>

        * fixinc/inclhack.def (thread_keyword): Match __thread as last arg.
        * fixinc/fixincl.x, fixinc/tests/base/pthread.h: Rebuild.

2002-05-22  Jakub Jelinek  <jakub@redhat.com>

        PR c/6643
        * emit-rtl.c (widen_memory_access): Only call compare_tree_int
        if DECL_SIZE_UNIT is INTEGER_CST.

2002-05-22  Richard Henderson  <rth@redhat.com>

        * flow.c (life_analysis): Delete broken reg_label check.

2002-05-22  Richard Henderson  <rth@redhat.com>

        * fixinc/inclhack.def (thread_keyword): Allow as any prototype arg.
        * fixinc/fixincl.x, fixinc/tests/base/pthread.h: Rebuild.

Wed May 22 18:39:57 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * t-sh (LIB2FUNCS_EXTRA): Now embed-bb.c.
        (embed-bb.c): New rule.
        * t-sh64 (LIB2FUNCS_EXTRA): Don't change.
        * config/sh/embed_bb.c: Delete.

Wed May 22 18:25:29 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * c-common.c (cb_register_builtins): Don't indent '#' of #define.

2002-05-22  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/h8300.md (*andorqi3): New.

2002-05-22  Neil Booth  <neil@daikokuya.demon.co.uk>

        PR preprocessor/6517
        * Makefile.in: Update.
        * c-common.c (c_common_post_options): Add preprocessor
        errors to the error count.
        * c-lang.c (c_post_options): Kill.
        (LANG_HOOKS_POST_OPTIONS): Use c_common_post_options.
        * hooks.h: Add header guards.
        * langhooks-def.h: Include hooks.h.
        (LANG_HOOKS_POST_OPTIONS): Update.
        * langhooks.h (struct lang_hooks): Update post_options.
        * toplev.c (parse_options_and_default_flags): Update.
objc:
        * objc-lang.c (objc_post_options): Kill.
        (LANG_HOOKS_POST_OPTIONS): Use c_common_post_options.

2002-05-21  Bruce Korb  <bkorb@gnu.org>

        * fixinc/tests/base/pthread.h(THREAD_KEYWORD_CHECK): add fix check
        * fixinc/inclhack.def(thread_keyword): use c_fix = format.
        * fixinc/fixincl.x: regen.

2002-05-21  Kazu Hirata  <kazu@cs.umass.edu>

        * cfgbuild.c: Fix formatting.
        * cfg.c: Likewise.
        * cfgcleanup.c: Likewise.
        * cfglayout.c: Likewise.
        * cfgloop.c: Likewise.
        * cfgrtl.c: Likewise.

2002-05-21  Richard Henderson  <rth@redhat.com>

        * c-common.h (enum rid): Add RID_THREAD.
        * c-decl.c (start_decl): Do not set DECL_COMMON for tls variables.
        (grokdeclarator): Grok __thread.
        * c-parse.in (reswords): Add __thread.
        (rid_to_yy): Add RID_THREAD.

        * tree.h (DECL_THREAD_LOCAL): New.
        (struct tree_decl): Add thread_local_flag.
        * print-tree.c (print_node): Dump DECL_THREAD_LOCAL.
        * tree.c (staticp): TLS variables are not static.

        * target-def.h (TARGET_HAVE_TLS): New.
        * target.h (have_tls): New.
        * output.h (SECTION_TLS): New.
        * varasm.c (assemble_variable): TLS variables can't be common for now.
        (default_section_type_flags): Handle .tdata and .tbss.
        (default_elf_asm_named_section): Handle SECTION_TLS.
        (categorize_decl_for_section): Handle DECL_THREAD_LOCAL.

        * flags.h (flag_tls_default): Declare.
        * toplev.c (flag_tls_default): Define.
        (display_help): Display help for it.
        (decode_f_option): Set it.

        * doc/extend.texi (Thread-Local): New node describing language-level
        thread-local storage.
        * doc/invoke.texi (-ftls-model): Document.

        * fixinc/inclhack.def (thread_keyword): New.
        * fixinc/fixincl.x: Rebuild.

2002-05-21  Jeffrey A Law  <law@redhat.com>

        * optabs.c (expand_binop): For double-word integer multiplies,
        do not compute intermediate results into something that is
        not a register (such as a SUBREG or MEM).

        * i386.c (ix86_sched_reorder_ppro): Fix typo/thinko.
        (ix86_sched_reorder): Make sure to initialize scheduling
        data even when there's only one insn in the ready queue.

2002-05-21  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (reserv_sets_hash_value): Fix a typo.

2002-05-21  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (reserv_sets_hash_value): Define hash_value as
        set_el_t.  Transform the hash value into unsigned.
        (output_cycle_reservs): Fix bug with output of repeated `nothing'.
        (transform_3): Add code to process `(A,B)+(D,E)'.

2002-05-21  NIIBE Yutaka  <gniibe@m17n.org>

        * reload1.c (do_output_reload): Run delete_output_reload
        only if optimizing.

2002-05-21  Roger Sayle  <roger@eyesopen.com>

        PR middle-end/6600
        * expr.c (STORE_MAX_PIECES): New macro to avoid immediate constants
        larger than INTEGER_CST.  (store_by_pieces_1): Use it here...
        (can_store_by_pieces): ... and here to limit the largest mode used.
        Add a comment to document this function.

2002-05-21  Richard Henderson  <rth@redhat.com>

        * flow.c (life_analysis): Fix test for deleted label.

2002-05-21  Neil Booth  <neil@daikokuya.demon.co.uk>

        * doc/tm.texi: Fix typo.

2002-05-21  Zack Weinberg  <zack@codesourcery.com>

        * c-common.c (c_common_init): Set options->unsigned_char from
        flag_signed_char.
        (cb_register_builtins): Define __STRICT_ANSI__ and
        __CHAR_UNSIGNED__ here...
        * cppinit.c (init_builtins): Not here.
        (cpp_create_reader): unsigned_char option defaults to 0, not
        !DEFAULT_SIGNED_CHAR.
        (COMMAND_LINE_OPTIONS, cpp_handle_option): Lose -fsigned-char
        and -funsigned-char.

        * cpphash.h (struct spec_nodes): Kill n__STRICT_ANSI__.
        * cpphash.c (_cpp_init_hashtable): Don't set it.
        * cppmacro.c (builtin_macro) [BT_STDC]: Use the language setting
        directly.  Clarify comment.

2002-05-21  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * bb-reorder.c (make_reorder_chain_1): Use prev_bb/next_bb to get to
        neighbouring basic blocks.  Use ENTRY_BLOCK_PTR->next_bb instead of
        BASIC_BLOCK (0).  Use EXIT_BLOCK_PTR->prev_bb instead of
        BASIC_BLOCK (n_basic_blocks - 1).
        * cfganal.c (can_fallthru, flow_call_edges_add,
        flow_preorder_transversal_compute): Too.
        * cfgbuild.c (make_edges, find_basic_blocks, find_many_sub_basic_blocks,
        find_sub_basic_blocks): Too.
        * cfgcleanup.c (try_simplify_condjump, try_optimize_cfg): Too.
        * cfglayout.c (skip_insns_after_block, fixup_reorder_chain,
        fixup_fallthru_exit_predecessor, cfg_layout_redirect_edge): Too.
        * cfgrtl.c (tidy_fallthru_edges, verify_flow_info): Too.
        * combine.c (this_basic_block): Type changed to basic_block.
        (combine_instructions, set_nonzero_bits_and_sign_copies, try_combine,
        nonzero_bits, num_sign_bit_copies, get_last_value_validate,
        get_last_value, distribute_notes, distribute_links): Too.
        * final.c (compute_alignments): Too.
        * flow.c (regno_uninitialized, regno_clobbered_at_setjmp): Too.
        * function.c (thread_prologue_and_epilogue_insns): Too.
        * gcse.c (compute_code_hoist_vbeinout): Too.
        * global.c (build_insn_chain): Too.
        * ifcvt.c (find_if_block, find_cond_trap): Too.
        * predict.c (last_basic_block_p, note_prediction_to_br_prob): Too.
        * regmove.c (regmove_optimize): Too.
        * resource.c (find_basic_block): Too.
        * sched-ebb.c (schedule_ebbs): Too.
        * ssa-dce.c (find_control_dependence, find_pdom): Too.

2002-05-21  Andreas Jaeger  <aj@suse.de>

        * cppinit.c (sanity_checks): Avoid printf mismatch warnings.

2002-05-21  Richard Henderson  <rth@redhat.com>

        * reg-stack.c (swap_rtx_condition, subst_stack_regs_pat): Use
        unspec names, not numbers.

2002-05-21  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/sourcebuild.texi: Mention snapshot-README and
        snapshot-index.html as needing updating for new front ends.

2002-05-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * rtl.h (SUBREG_PROMOTED_UNSIGNED_SET): Avoid warnings when
        disabling checking, and avoid multiple evaluation of RTX.

2002-05-21  Richard Earnshaw  <rearnsha@arm.com>

        * bitmap.c (bitmap_find_bit): Return early if we have the correct
        element cached.

Tue May 21 10:51:54 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * profile.c (gen_edge_profiler):  Set alias set before the memory is
        used.

2002-05-20  David S. Miller  <davem@redhat.com>

        * cselib.c (max_value_regs): New.
        (cselib_lookup, cselib_invalidate_regno): Initialize it when
        adding new entries to the REG_VALUES table and we are dealing with
        a hard register.
        (clear_table): Initialize it.
        (cselib_invalidate_regno): Use it to determine which hard
        registers to scan when mode is not VOIDmode.

2002-05-20  Duraid Madina   <duraid@fl.net.au>

        * tradcpp.c (fixup_newlines): Use old-style function header.

2002-05-20  Krister Walfridsson  <cato@df.lth.se>

        * reload1.c (reload_cse_simplify): Fix typo in rtx code check.

2002-05-20  H.J. Lu  (hjl@gnu.org)

        Base on suggestions from Zhang Fuxin <fxzhang@ict.ac.cn>:

        * config/mips/mips.h (DFMODE_NAN): Defined.
        (SFMODE_NAN): Likewise.

2002-05-20  Dale Johannesen  <dalej@apple.com>

        * combine.c (cant_combine_insn_p):  Back out my
        previous patch.

2002-05-20  Kazu Hirata  <kazu@cs.umass.edu>

        * params.c: Fix formatting.
        * params.h: Likewise.
        * predict.c: Likewise.
        * prefix.c: Likewise.
        * print-rtl.c: Likewise.
        * print-tree.c: Likewise.
        * profile.c: Likewise.

2002-05-20  H.J. Lu  (hjl@gnu.org)

        * gcc/config/mips/linux.h (SDB_DEBUGGING_INFO): Undefine.

2002-05-20  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm-wince-pe.h (ASM_SPEC): Pass -mcpu and -march
        switches straight on to the assembler, do not abbreviate them.
        * config/arm/elf.h (ASM_SPEC): As above.
        * config/arm/semi.h (ASM_SPEC): As above.
        * config/arm/unknown-elf-oabi.h (ASM_SPEC): As above.
        * config/arm/xscale-coff.h (SUBTARGET_ASM_SPEC): Pass
        -mcpu=xscale on to the assembler by default.
        * config/arm/xscale-elf.h (SUBTARGET_ASM_SPEC): As above.

2002-05-20  Richard Henderson  <rth@redhat.com>

        * cse.c (canon_hash): Reorder do_not_record test.  Always
        allow pic_offset_table_rtx.

2002-05-19  Toon Moene  <toon@moene.indiv.nluug.nl>

        * optabs.c (expand_cmplxdiv_wide): Use complex_part_zero_p.
        (expand_binop): Ditto (3 times).

2002-05-19  Mark Mitchell  <mitchell@doubledemon.codesourcery.com>

        * Makefile.in (distclean): Remove QMTest stuff.
        (QMTEST_PATH): New variable.
        (QMTESTFLAGS): Likewise.
        (QMTESTRUNFLAGS): Likewise.
        (QMTEST): Likewise.
        (QMTEST_GPP_TESTS): Likewise.
        (QMTEST_DIR): Likewise.
        (QMTEST_DIR/context): New target.
        (qmtest-g++): Likeise.
        (qmtest-gui): Likewise.
        (QMTEST_DIR/gpp-expected.qmr): Likewise.

2002-05-19  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.h (FUNCTION_VALUE): Only return vectors in
        an altivec register if TARGET_ALTIVEC.

        * config/rs600/rs6000.c (rs6000_emit_move): Change VECTOR_MODE_P
        to ALTIVEC_VECTOR_MODE.
        (rs6000_va_arg): Only vectors of type AltiVec are 16 byte aligned.
        (rs6000_va_arg): Vectors may go in registers if they are not
        altivec vectors.

2002-05-19  Kazu Hirata  <kazu@cs.umass.edu>

        * protoize.c: Fix formatting.

2002-05-19  Richard Henderson  <rth@redhat.com>

        * gensupport.c (init_include_reader): Merge into ...
        (process_include): ... here.  Simplify composite path creation.
        Plug memory leaks.  Fix file/line number tracking.  Do not
        process_define_cond_exec.  Return void.
        (process_rtx): Don't check process_include return value.

2002-05-20  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * basic_block.h (struct basic_block_def): Added prev_bb and next_bb
        fields.
        (FOR_BB_BETWEEN, FOR_ALL_BB, FOR_ALL_BB_REVERSE): New macros for
        traversing basic block chain.
        (create_basic_block_structure, create_basic_block): Declaration changed.
        (link_block, unlink_block): Declare.
        * cfg.c (entry_exit_blocks): Initialize new fields.
        (link_block, unlink_block): New.
        (expunge_block_nocompact): Unlink basic block.
        (dump_flow_info): Print prev_bb/next_bb fields.
        * cfgbuild.c (find_basic_blocks_1, find_basic_blocks): Modified.
        * cfgcleanup.c (merge_blocks_move_predecessor_nojumps): Modified.
        * cfglayout.c (fixup_reorder_chain, cfg_layout_duplicate_bb): Modified.
        * cfgrtl.c (create_basic_block_structure, create_basic_block,
        split_block, force_nonfallthru_and_redirect, split_edge): Modified.
        (verify_flow_info): Check that list agrees with numbering.

2002-05-19  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (preprocessing_asm): New macro.
        * c-lex.h (builtin_define, builtin_assert): Use pfile.
doc:
        * tm.texi: Update.
config/alpha:
        * alpha.h (CPLUSPLUS_CPP_SPEC): Remove.
        (CPP_SPEC): Simplify.
        (TARGET_CPU_CPP_BUILTINS): Update.
        * freebsd.h (TARGET_OS_CPP_BUILTINS): New.
        (CPP_SPEC): Simplify.
        * linux.h (CPLUSPLUS_CPP_SPEC): Remove.
        (TARGET_OS_CPP_BUILTINS): Update.
        * osf.h (CPP_XFLOAT_SPEC): Kill.
        (TARGET_OS_CPP_BUILTINS): Update.
        (CPP_SUBTARGET_SPEC, SUBTARGET_EXTRA_SPECS): Simplify.
        * osf5.h (CPP_XFLOAT_SPEC): Kill.
        * vms.h (CPP_SUBTARGET_SPEC): Kill.
        (TARGET_OS_CPP_BUILTINS): Update.

2002-05-19  Richard Henderson  <rth@redhat.com>

        * varasm.c (default_binds_local_p): Fix typo.

2002-05-19  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        * config/avr/avr.c (machine_dependent_reorg): Sign extend the
        CONST_INT operand to the correct mode after adding 1 to it.

2002-05-19  Mark Mitchell  <mark@codesourcery.com>

        * config.gcc (powerpc-wrs-windiss*): New target.

2002-05-19  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * config/rs6000/rs6000.md (ashrdi3_no_power): New.
        (ashrdi3): Use it.

2002-05-18  Mark Mitchell  <mark@codesourcery.com>

        * configure.in (AC_CHECK_FUNCS): Add checks for scandir and
        alphasort.
        * config.in: Regenerated.
        * configure: Regenerated.

2002-05-19  Richard Henderson  <rth@redhat.com>

        * target-def.h (TARGET_BINDS_LOCAL_P): New.
        * target.h (struct gcc_target): Move boolean fields to the end.
        Add binds_local_p.
        * varasm.c (default_binds_local_p): New.
        * output.h: Declare it.

        * config/alpha/alpha.c (alpha_encode_section_info): Use the new hook.
        * config/cris/cris.c (cris_encode_section_info): Likewise.
        * config/i386/i386.c (i386_encode_section_info): Likewise.
        * config/ia64/ia64.c (ia64_encode_section_info): Likewise.
        * config/sh/sh.c (sh_encode_section_info): Likewise.

        * doc/tm.texi (TARGET_IN_SMALL_DATA_P): New.
        (TARGET_BINDS_LOCAL_P): New.

2002-05-19  Richard Henderson  <rth@redhat.com>

        * system.h (BLOCK_PROFILER, BLOCK_PROFILER_CODE,
        FUNCTION_BLOCK_PROFILER, FUNCTION_BLOCK_PROFILER_EXIT,
        MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Poison.

        * toplev.c (display_help): Kill -a -ax help.

        * config/1750a/1750a.h, config/alpha/alpha.h,
        config/clipper/clipper.h, config/dsp16xx/dsp16xx.h,
        config/h8300/h8300.h, config/i960/i960.h, config/m68k/tower-as.h,
        config/m88k/m88k.h, config/vax/vax.h, config/we32k/we32k.h:
        (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Kill.

        * libgcc2.c [L_bb] (BLOCK_PROFILER_CODE): Kill.
        * config/m68k/sun3.h (BLOCK_PROFILER_CODE): Kill.

        * config/i386/i386-protos.h (ix86_output_block_profiler): Kill.
        (ix86_output_function_block_profiler): Kill.
        * config/m68hc11/m68hc11.c (m68hc11_block_profiler): Kill.
        (m68hc11_function_block_profiler): Kill.
        * config/m68hc11/m68hc11-protos.h: Update.
        * config/m88k/m88k.c (output_block_profiler): Kill.
        (output_function_block_profiler): Kill.
        * config/m88k/m88k-protos.h: Update.

2002-05-19  Richard Henderson  <rth@redhat.com>

        * system.h (STRIP_NAME_ENCODING): Poison it.
        * output.h (STRIP_NAME_ENCODING): Remove.
        (default_strip_name_encoding): Declare.
        * target-def.h (TARGET_STRIP_NAME_ENCODING): New.
        * target.h (strip_name_encoding): New.
        * varasm.c (default_strip_name_encoding): New.

        * dwarf2asm.c, varasm.c, config/darwin.c, config/darwin.h,
        config/alpha/alpha.c, config/arm/pe.c, config/avr/avr.c,
        config/cris/cris.c, config/i386/cygwin.h, config/i386/interix.c,
        config/i386/winnt.c, config/m32r/m32r.h, config/mcore/mcore-elf.h,
        config/mcore/mcore-pe.h, config/mcore/mcore.c, config/mcore/mcore.h,
        config/mips/mips.c, config/mn10200/mn10200.h, config/mn10300/mn10300.h,
        config/pa/pa.c, config/pa/pa.h, config/pa/som.h,
        config/rs6000/rs6000.c, config/rs6000/sysv4.h, config/rs6000/xcoff.h,
        config/v850/v850.h: Use the hook, not the macro.

        * config/darwin-protos.h, config/darwin.c, config/darwin.h,
        config/alpha/alpha.c, config/alpha/alpha.h, config/h8300/h8300.c,
        config/h8300/h8300.h, config/i386/cygwin.h, config/i386/i386-interix.h,
        config/i386/i386-protos.h, config/i386/win32.h, config/i386/winnt.c,
        config/ia64/ia64.c, config/ia64/ia64.h, config/m32r/m32r.c,
        config/m32r/m32r.h, config/mcore/mcore.c, config/mcore/mcore.h,
        config/pa/pa.c, config/rs6000/rs6000.c, config/rs6000/sysv4.h,
        config/rs6000/xcoff.h, config/sh/sh.c, config/sh/sh.h,
        config/v850/v850.c, config/v850/v850.h:
        Move STRIP_NAME_ENCODING to out-of-line function and add
        TARGET_STRIP_NAME_ENCODING.

        * config/arm/arm.c, config/arm/arm.h, config/mmix/mmix-protos.h,
        config/mmix/mmix.c, config/mmix/mmix.h: Replace STRIP_NAME_ENCODING
        with TARGET_STRIP_NAME_ENCODING referencing existing function;
        make function static.

        * xcoffout.c: Include target.h
        * Makefile.in (xcoffout.o): Update.

        * config/avr/avr.c (avr_encode_section_info): Correct prototype.
        * config/avr/avr.h (STRIP_NAME_ENCODING): Remove.
        * config/rs6000/rs6000.c (rs6000_xcoff_unique_section): Mark
        reloc argument unused.
        * config/sh/sh.c (TARGET_ENCODE_SECTION_INFO): New.

        * doc/tm.texi (TARGET_STRIP_NAME_ENCODING): Update from previous
        STRIP_NAME_ENCODING docs.

2002-05-19  Andreas Jaeger  <aj@suse.de>

        * gengenrtl.c: Add prototype for excluded_rtx.

        * real.h: Add prototype for exact_real_truncate.

2002-05-18  Richard Henderson  <rth@redhat.com>

        * system.h (ENCODE_SECTION_INFO): Poison it.
        * target-def.h (TARGET_ENCODE_SECTION_INFO): New.
        * target.h (encode_section_info): New.
        * varasm.c (make_decl_rtl, output_constant_def): Use it.
        * hooks.c (hook_tree_int_void): New.
        * hooks.h: Declare it.

        * config/darwin.h, config/alpha/alpha-protos.h, config/alpha/alpha.c,
        config/alpha/alpha.h, config/arm/pe.h, config/avr/avr-protos.h,
        config/avr/avr.c, config/avr/avr.h, config/c4x/c4x-protos.h,
        config/c4x/c4x.c, config/c4x/c4x.h, config/cris/cris-protos.h,
        config/cris/cris.c, config/cris/cris.h, config/i386/cygwin.h,
        config/i386/win32.h, config/ia64/ia64-protos.h, config/ia64/ia64.c,
        config/ia64/ia64.h, config/m32r/m32r-protos.h, config/m32r/m32r.c,
        config/m32r/m32r.h, config/m68hc11/m68hc11-protos.h,
        config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
        config/mcore/mcore-protos.h, config/mcore/mcore.c,
        config/mcore/mcore.h, config/mmix/mmix-protos.h, config/mmix/mmix.c,
        config/mmix/mmix.h, config/rs6000/rs6000-protos.h,
        config/rs6000/sysv4.h, config/stormy16/stormy16-protos.h,
        config/stormy16/stormy16.c, config/stormy16/stormy16.h:
        Replace ENCODE_SECTION_INFO with TARGET_ENCODE_SECTION_INFO
        referencing existing function.  Make function static.

        * config/a29k/a29k.c, config/a29k/a29k.h, config/arc/arc.c,
        config/arc/arc.h, config/arm/arm.c, config/arm/arm.h,
        config/h8300/h8300.c, config/h8300/h8300.h, config/i370/i370.c,
        config/i370/i370.h, config/i386/i386-interix.h, config/i386/i386.c,
        config/i386/i386.h, config/i386/interix.c, config/m88k/m88k.c,
        config/m88k/m88k.h, config/mips/mips.c, config/mips/mips.h,
        config/ns32k/ns32k.c, config/ns32k/ns32k.h, config/pa/pa.c,
        config/pa/pa.h, config/romp/romp.c, config/romp/romp.h,
        config/rs6000/linux64.h, config/rs6000/xcoff.h, config/s390/s390.c,
        config/s390/s390.h, config/sh/sh.c, config/sh/sh.h,
        config/sparc/sparc.c, config/sparc/sparc.h, config/v850/v850.c,
        config/v850/v850.h, config/vax/vax.c, config/vax/vms.h,
        config/xtensa/xtensa.c, config/xtensa/xtensa.h:
        Move ENCODE_SECTION_INFO to out-of-line function and add
        TARGET_ENCODE_SECTION_INFO.

        * config/darwin.h (ASM_DECLARE_FUNCTION_NAME): Use hook, not macro.
        (ASM_DECLARE_OBJECT_NAME, ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.

        * config/arm/pe.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Rename
        from SUBTARGET_*
        (switch_to_section): Replace in_rdata case with in_readonly_data.

        * config/h8300/h8300.c (h8300_encode_label): Make static.
        * config/h8300/h8300-protos.h: Update.

        * config/rs6000/rs6000.c (rs6000_elf_encode_section_info): Rename
        from rs6000_encode_section_info; make static.
        (rs6000_xcoff_encode_section_info): New.

        * config/v850/v850.c (v850_encode_data_area): Make static.
        * config/v850/v850-protos.h: Update.

        * config/vax/vax.c: Include flags.h.
        (vms_select_section): Fix typo.

        * doc/tm.texi (TARGET_ENCODE_SECTION_INFO): Update from previous
        ENCODE_SECTION_INFO docs.

2002-05-18  Richard Henderson  <rth@redhat.com>

        * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS): Rename from
        REGISTER_TARGET_PRAGMAS.
        * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Redefine.

        * config.gcc: Do not use rs6000-c.c on powerpc-darwin.

2002-05-18  Richard Henderson  <rth@redhat.com>

        * system.h (SELECT_RTX_SECTION): Poison.
        * target-def.h (TARGET_ASM_SELECT_RTX_SECTION): New.
        * target.h (select_rtx_section): New.
        * varasm.c (output_constant_pool): Use it.
        (default_select_rtx_section, default_elf_select_rtx_section): New.
        * output.h: Declare them.

        * config/darwin.h (SELECT_RTX_SECTION): Move ...
        * config/darwin.c (machopic_select_rtx_section): ... here.
        * config/darwin-protos.h: Update.

        * config/nextstep.h (SELECT_RTX_SECTION): Move ...
        * config/nextstep.c (machopic_select_rtx_section): ... here.
        (nextstep_select_section): Rename variable to avoid macro clash.
        * config/nextstep-protos.h: Update.

        * config/elfos.h, config/svr3.h, config/arm/aof.h, config/c4x/c4x.h,
        config/i386/dgux.h, config/i386/osfrose.h, config/i386/sco5.h,
        config/i386/svr3gas.h, config/i860/paragon.h, config/ia64/aix.h,
        config/m32r/m32r.h, config/m68k/dpx2.h, config/m68k/lynx.h,
        config/m68k/m68k.h, config/m68k/tower-as.h, config/m88k/dgux.h,
        config/mcore/mcore-pe.h, config/mips/mips.h, config/mmix/mmix.h,
        config/pa/pa-linux.h, config/pa/pa.h, config/romp/romp.h,
        config/rs6000/lynx.h, config/rs6000/sysv4.h, config/s390/linux.h,
        config/sparc/sysv4.h, config/xtensa/elf.h, config/xtensa/linux.h
        (SELECT_RTX_SECTION): Remove.

        * config/darwin.h, config/elfos.h, config/nextstep.h,
        config/ia64/aix.h, config/ia64/sysv4.h, config/alpha/alpha.c,
        config/mips/mips.c, config/romp/romp.c, config/rs6000/sysv4.h,
        config/rs6000/xcoff.h, config/s390/s390.c, config/sparc/aout.h,
        config/sparc/lynx.h, config/xtensa/xtensa.c
        (TARGET_ASM_SELECT_RTX_SECTION): New.

        * config/alpha/elf.h (SELECT_RTX_SECTION): Move ...
        * config/alpha/alpha.c (alpha_elf_select_rtx_section): ... here.
        * config/ia64/sysv4.h (SELECT_RTX_SECTION): Move ...
        * config/ia64/ia64.c (ia64_select_rtx_section): ... here.
        (ia64_aix_select_rtx_section): New.
        * config/mips/iris6.h (READONLY_DATA_SECTION_ASM_OP): Undef before
        redefining.
        * config/mips/mips.c (mips_select_rtx_section): Make static.
        Support ELF SHF_MERGE features.
        * config/mips/mips-protos.h: Update.
        * config/rs6000/xcoff.h (SELECT_RTX_SECTION): Move ...
        * config/rs6000/rs6000.c (rs6000_xcoff_select_rtx_section): ... here.
        (rs6000_elf_select_rtx_section): Rename from rs6000_select_rtx_section;
        make static, fall back to default_elf_select_rtx_section.
        * config/rs6000/rs6000-protos.h: Update.
        * config/sparc/sparc.h (SELECT_RTX_SECTION): Move ...
        * config/sparc/sparc.c (sparc_aout_select_rtx_section): ... here.
        * config/sparc/sunos4.h (on_exit): Declare only if IN_LIBGCC2.
        * config/romp/romp.c (romp_select_rtx_section): New.
        * config/s390/s390.c (s390_select_rtx_section): New.
        * config/xtensa/xtensa.c: Include output.h.  Shuffle local function
        declarations before target macro definition.
        (xtensa_emit_call): Use static buffer.
        (xtensa_select_rtx_section): New.
        * config/xtensa/xtensa.h (MAX_INT_TYPE_SIZE): Remove.
        (IMPLICIT_FIX_EXPR, EASY_DIV_EXPR): Remove.
        (ASM_OUTPUT_POOL_PROLOGUE): Update call to resolve_unique_section.

        * doc/tm.texi (TARGET_ASM_SELECT_RTX_SECTION): Update from
        SELECT_RTX_SECTION docs.

Sun May 19 00:24:23 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (movsi/movdi): Fix template.
        (sse2 patterns): Set attributes consistently.

        * i386.md (pushqi2, ashrqi_*): Fix constraint.

2002-05-18  Toon Moene  <toon@moene.indiv.nluug.nl>

        * optabs.c (complex_part_zero_p): New.
        * (expand_cmplxdiv_straight): Use it.
        * (expand_cmplxdiv_wide): Ditto.
        * (expand_binop): Ditto.

2002-05-18  Richard Henderson  <rth@redhat.com>

        * final.c (HAVE_READONLY_DATA_SECTION): New.
        (shorten_branches): Use it instead of ifdefs.
        * varasm.c (enum in_section): Add in_readonly_data.
        (text_section, data_section): Tidy.
        (readonly_data_section): Use READONLY_DATA_SECTION_ASM_OP if present.

        * config/darwin.h, config/nextstep.h, config/h8300/elf.h,
        config/i860/paragon.h, config/m68k/dpx2.h, config/m68k/hp320.h
        (READONLY_DATA_SECTION): Don't undef.

        * config/alpha/unicosmk.h, config/h8300/elf.h, config/i386/aix386ng.h,
        config/i860/paragon.h, config/m68k/dpx2.h, config/m68k/hp320.h,
        config/rs6000/lynx.h (READONLY_DATA_SECTION_ASM_OP): Undef.

        * config/elfos.h, config/svr3.h, config/alpha/alpha-interix.h,
        config/alpha/elf.h, config/c4x/c4x.h, config/i386/i386-interix.h,
        config/i386/sco5.h, config/i386/svr3gas.h, config/i860/sysv3.h,
        config/m88k/m88k.h, config/pa/pa64-hpux.h (USE_CONST_SECTION): Remove.

        * config/elfos.h, config/netware.h, config/alpha/alpha-interix.h,
        config/alpha/elf.h, config/alpha/vms.h, config/arc/arc.h,
        config/arm/coff.h, config/c4x/c4x.h, config/dsp16xx/dsp16xx.h,
        config/i386/dgux.h, config/i386/i386-interix.h, config/i386/sco5.h,
        config/ia64/hpux.h, config/m32r/m32r.h, config/m68k/tower-as.h,
        config/m88k/m88k.h, config/mcore/mcore-pe.h, config/mips/iris6.h,
        config/mips/mips.h, config/mmix/mmix.h, config/pa/pa64-hpux.h,
        config/sparc/sysv4.h (READONLY_DATA_SECTION_ASM_OP): Rename from
        CONST_SECTION_ASM_OP/READONLY_SECTION_ASM_OP/RDATA_SECTION_ASM_OP.

        * config/elfos.h, config/netware.h, config/1750a/1750a.h,
        config/a29k/a29k.h, config/alpha/alpha-interix.h, config/alpha/alpha.h,
        config/arm/coff.h, config/h8300/h8300.h, config/i386/aix386ng.h,
        config/i386/i386-interix.h, config/i386/osfrose.h, config/mmix/mmix.h,
        config/pa/pa64-hpux.h, config/sparc/litecoff.h
        (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Remove.

        * config/elfos.h, config/netware.h, config/svr3.h,
        config/alpha/alpha-interix.h, config/alpha/alpha.h, config/alpha/elf.h,
        config/arm/coff.h, config/c4x/c4x.h, config/dsp16xx/dsp16xx.h,
        config/h8300/h8300.h, config/i386/i386-interix.h,
        config/i386/osfrose.h, config/i386/svr3gas.h, config/mmix/mmix.h,
        config/pa/pa64-hpux.h (READONLY_DATA_SECTION): Remove.

        * config/elfos.h, config/netware.h, config/svr3.h,
        config/alpha/alpha-interix.h, config/alpha/alpha.h, config/alpha/elf.h,
        config/c4x/c4x.h, config/i386/aix386ng.h, config/i386/i386-interix.h,
        config/i386/sco5.h, config/i386/svr3gas.h, config/mmix/mmix.h,
        config/pa/pa64-hpux.h (CONST_SECTION_FUNCTION): Remove.

        * config/lynx.h, config/svr3.h, config/alpha/elf.h, config/alpha/vms.h,
        config/c4x/c4x.h, config/dsp16xx/dsp16xx.h, config/i386/sco5.h,
        config/i386/svr3gas.h, config/i860/sysv3.h, config/i860/sysv4.h,
        config/ia64/sysv4.h, config/m32r/m32r.h, config/m88k/m88k.h,
        config/mcore/mcore-elf.h, config/mcore/mcore-pe.h, config/mips/elf.h,
        config/mips/elf64.h, config/mips/iris6.h, config/mips/linux.h,
        config/mips/mips.h, config/mips/rtems64.h, config/mips/vxworks.h,
        config/rs6000/sysv4.h, config/v850/v850.h
        (EXTRA_SECTIONS): Remove in_const/in_rdata.
        (EXTRA_SECTION_FUNCTIONS): Remove accompanying function.

        * config/svr3.h, config/c4x/c4x.h, config/i386/dgux.h,
        config/i386/sco5.h, config/i386/svr3gas.h, config/ia64/aix.h,
        config/m88k/dgux.h, config/mcore/mcore-pe.h, config/mmix/mmix.h,
        config/sparc/sysv4.h (SELECT_RTX_SECTION): Use readonly_data_section.
        * config/alpha/alpha.c (alpha_start_function): Likewise.
        (alpha_write_linkage): Likewise.
        * config/m32r/m32r.c (m32r_select_section): Likewise.
        * config/m88k/m88k.c (m88k_select_section): Likewise.
        * config/mips/mips.c (mips_select_rtx_section): Likewise.
        * config/rs6000/rs6000.c (rs6000_select_rtx_section): Likewise.
        (rs6000_elf_select_section): Likewise.
        * config/v850/v850.c (v850_select_section): Likewise.

        * config/1750a/1750a.h, config/i860/sysv3.h
        (READONLY_DATA_SECTION_ASM_OP): New.
        READONLY_DATA_SECTION_ASM_OP.
        * config/i386/interix.c, config/i386/winnt.c
        (i386_pe_unique_section): Always use .rdata prefix.
        * config/pa/som.h (readonly_data): Always switch to read-only section.
        (READONLY_DATA_SECTION): Predicate on flag_pic.
        * config/we32k/we32k.h (READONLY_DATA_SECTION): Remove parenthesis.
        * doc/tm.texi (READONLY_DATA_SECTION_ASM_OP): New.
        (READONLY_DATA_SECTION): Update.

2002-05-18  Jason Thorpe  <thorpej@wasabisystems.com>

        * c-common.c (c_common_post_options): Warn if -Wformat-zero-length
        is used without -Wformat.
        * c-common.h (warn_format_zero_length): Declare extern.
        * c-decl.c (warn_options): Add "format-zero-length".
        * c-format.c (warn_format_zero_length): Declare.
        (set_Wformat): Set warn_format_zero_length for -Wformat.
        (check_format_info): Only warn about zero-length formats if
        warn_format_zero_length is true.  Include the format type
        name in the warning message.
        * doc/invoke.texi: Document -Wformat-zero-length.
        * testsuite/gcc.dg/format/zero-length-1.c: New test.

2002-05-18  Kazu Hirata  <kazu@cs.umass.edu>

        * timevar.c: Fix formatting.
        * tlink.c: Likewise.
        * toplev.c: Likewise.
        * tree-dump.c: Likewise.
        * tree-inline.c: Likewise.

2002-05-18  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppinit.c (cpp_post_options): If preprocessed, turn off
        traditional.  If traditional, turn off column numbers.
        * cpplib.c (cpp_push_buffer): Lex from stage 3 if traditional.
        * cpptrad.c (handle_newline): Update line_base.
        (skip_comment): Handle -Wcomment.

2002-05-17  Zack Weinberg  <zack@codesourcery.com>

        * cppinit.c (struct builtin): Remove unused fields.
        (CPLUS, BUILTIN, OPERATOR, O, builtin_array_end): Kill.
        (operator_array): New - was second half of builtin_array.
        (init_builtins): Simplify loop over builtin_array/operator_array.

2002-05-18  Neil Booth  <neil@daikokuya.demon.co.uk>

        * defaults.h (UNIQUE_SECTION): Remove.
        * system.h (UNIQUE_SECTION, SELECT_SECTION): Poison.

2002-05-17  Richard Henderson  <rth@redhat.com>

        * expr.c (init_expr_once): Don't use start/end_sequence.
        Use rtx_alloc instead of emit_insn.
        * toplev.c (lang_dependent_init): Run init_expr_once here ...
        (lang_independent_init): ... not here.

2002-05-17  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/sh/lib1funcs.asm (GLOBAL): Use __USER_LABEL_PREFIX__.

2002-05-17  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        * config/avr/avr.c (avr_regs_to_save): New function.  Also check
        for fixed registers, possibly used for global register variables.
        (initial_elimination_offset, avr_output_function_prologue,
        avr_output_function_epilogue):  Move common code to avr_regs_to_save.

2002-05-17  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in: Update for cpptrad.c.
        * cpphash.h (struct cpp_buffer): New members for buffer
        overlays.
        (struct cpp_reader): New members for traditional output.
        (_cpp_read_logical_line, _cpp_overlay_buffer): New.
        * cppinit.c (cpp_create_reader): Set trad_line.
        (cpp_destroy): Free trad_out_base if used.
        (cpp_read_main_file): Overlay an empty buffer if traditional.
        (cpp_finish_options): Don't do builtins.
        (COMMAND_LINE_OPTIONS): Add -traditional-cpp.
        (cpp_handle_option): Handle it.
        * cpplex.c (continue_after_nul): New.
        (_cpp_lex_direct): Use handle_nul.
        * cpplib.h (struct cpp_options): New traditional option.
        * cpptrad.c: New file.

2002-05-17  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (c_common_init_options): Use C89 for Objective-C,
        and set the options flag.
        * cppinit.c (lang_flags): Remove objc.
        (lang_defaults): Remove OBJC and OBJCXX.
        (set_lang): Update.
        (COMMAND_LINE_OPTIONS): Remove -+ and -lang-objc++.
        (cpp_handle_option): Remove -+ and -lang-objc++.
        For ObjC, just set a flag.
        (print_help): Update.
        * cpplib.h (enum c_lang): Remove CLK_OBJC and CLK_OBJCXX.

2002-05-17  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * doc/install.texi (Specific, mips-sgi-irix6): Document need to
        bootstrap with -mips3.

2002-05-17  Kazu Hirata  <kazu@cs.umass.edu>

        * final.c: Fix formatting.
        * fix-header.c: Likewise.
        * flow.c: Likewise.
        * fold-const.c: Likewise.
        * function.c: Likewise.

2002-05-17  David S. Miller  <davem@redhat.com>

        PR c/6689, PR optimization/6615
        * local-alloc.c (struct equivalence): Rename 'src' to 'src_p'
        and make it a pointer to rtx.  Update comments.
        (update_equiv_regs): When scanning for equivalences, record
        address of SET_SRC (set) in reg_equiv[].src_p.  Dereference
        it while making the equiv replacements.

2002-05-17  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/sparc/sparc.c (sparc_aout_select_section): Fixed typo.

2002-05-17  kaz Kojima  <kkojima@rr.iij4u.or.jp>

        * config/sh/sh.h (ENCODE_SECTION_INFO): Consider MODULE_LOCAL_P
        when encoding visibility into SYMBOL_REF_FLAG.

2002-05-17  Richard Sandiford  <rsandifo@redhat.com>

        * expr.c (force_operand): Fix reversed move.

2002-05-17  Kurt Wall <kwall@kurtwerks.com>

        * doc/install.texi (Testing): Mention two common DejaGnu warnings
        that can be ignored.

2002-05-16  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Final install): Recommend to install into a
        "clean" target directory.

2002-05-17  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.md: Use braced strings instead of quoted strings
        for code blocks.  Tidy whitespace.

2002-05-17  Richard Henderson  <rth@redhat.com>

        * hooks.c (hook_tree_bool_false): New.
        * hooks.h: Declare it.
        * target-def.h (TARGET_ASM_SELECT_SECTION): New.
        (TARGET_ASM_UNIQUE_SECTION, TARGET_IN_SMALL_DATA_P): New.
        * target.h (select_section, unique_section): New.
        (in_small_data_p): New.
        * varasm.c (resolve_unique_section): Use hooks instead of macros.
        (variable_section, output_constant_def_contents): Likewise.
        (default_select_section, default_unique_section): New.
        (categorize_decl_for_section, default_elf_select_section): New.
        * output.h: Declare them.

        * config/darwin.h (ALIAS_SECTION, try_section_alias): Remove.
        (TARGET_ASM_SELECT_SECTION): New.
        (SELECT_SECTION): Move ...
        * config/darwin.c (machopic_select_section): ... here.
        * config/darwin-protos.h: Update.

        * config/nextstep.h (TARGET_ASM_SELECT_SECTION): New.
        (SELECT_SECTION): Move ...
        * config/nextstep.c (nextstep_select_section): ... here.
        * config/nextstep-protos.h: Update.

        * config/elfos.h (UNIQUE_SECTION, SELECT_SECTION): Remove.
        (TARGET_ASM_SELECT_SECTION): New.
        * config/svr3.h (SELECT_SECTION): Remove.

        * config/alpha/alpha.c (unicosmk_unique_section): Make static.
        (TARGET_ASM_UNIQUE_SECTION) [UNICOS]: New.
        (TARGET_IN_SMALL_DATA_P, alpha_in_small_data_p): New.
        (alpha_encode_section_info): Use it.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/elf.h (DO_SELECT_SECTION): Remove.
        (SELECT_SECTION, UNIQUE_SECTION): Remove.
        (TARGET_ASM_SELECT_SECTION): New.
        * config/alpha/unicosmk.h (UNIQUE_SECTION): Remove.

        * config/arm/pe.h (UNIQUE_SECTION): Remove.
        (TARGET_ASM_UNIQUE_SECTION): New.

        * config/avr/avr.c (TARGET_ASM_UNIQUE_SECTION): New.
        (avr_unique_section): Rename from unique_section; make static.
        * config/avr/avr-protos.h: Update.
        * config/avr/avr.h (UNIQUE_SECTION): Remove.

        * config/c4x/c4x.h (SELECT_SECTION): Remove.

        * config/i386/cygwin.h (UNIQUE_SECTION): Remove.
        (TARGET_ASM_UNIQUE_SECTION): New.
        * config/i386/i386-interix.h: Likewise.
        * config/i386/win32.h: Likewise.
        * config/i386/djgpp.h (UNIQUE_SECTION): Remove.
        * config/i386/i386.c (ix86_asm_file_end): Use target hook not macro.
        * config/i386/sco5.h (SELECT_SECTION): Remove.
        (TARGET_ASM_SELECT_SECTION): New.
        * config/i386/svr3gas.h (SELECT_SECTION): Remove.

        * config/i860/paragon.h: Undef TARGET_ASM_SELECT_SECTION
        instead of SELECT_SECTION.
        * config/m68k/dpx2.h: Likewise.
        * config/rs6000/lynx.h: Likewise.

        * config/ia64/aix.h (SELECT_SECTION, UNIQUE_SECTION): Remove.
        (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): New.
        * config/ia64/ia64.c (TARGET_IN_SMALL_DATA_P): New.
        (ia64_in_small_data_p): New.
        (ia64_encode_section_info): Use it.  Reorganize overlarge conditional.
        (ia64_aix_select_section, ia64_aix_unique_section): New.
        * config/ia64/sysv4.h (DO_SELECT_SECTION): Remove.
        (SELECT_SECTION, UNIQUE_SECTION): Remove.

        * config/m32r/m32r.h (SELECT_SECTION): Remove.
        (TARGET_ASM_SELECT_SECTION): New.
        * config/m32r/m32r.c (m32r_select_section): Take align argument.
        * config/m32r/m32r-protos.h: Update.

        * config/m88k/m88k.h (TARGET_ASM_SELECT_SECTION): New.
        (SELECT_SECTION): Move ...
        * config/m88k/m88k.c (m88k_select_section): ... here.

        * config/mcore/mcore-pe.h (SELECT_SECTION): Remove.
        * config/mcore/mcore.h (UNIQUE_SECTION): Remove.
        * config/mcore/mcore.c (TARGET_ASM_UNIQUE_SECTION): New.
        (mcore_unique_section): Make static.
        * config/mcore/mcore-protos.h: Update.

        * config/mips/elf.h (UNIQUE_SECTION): Remove.
        (TARGET_ASM_UNIQUE_SECTION): New.
        * config/mips/elf64.h: Likewise.
        * config/mips/iris6gld.h: Likewise.
        * config/mips/linux.h: Likewise.
        * config/mips/mips-protos.h: Update.
        * config/mips/mips.c (mips_select_section): Add align argument.
        * config/mips/mips.h (SELECT_SECTION): Remove.
        (TARGET_ASM_SELECT_SECTION): New.

        * config/mmix/mmix.h (SELECT_SECTION, UNIQUE_SECTION): Remove.
        * config/mmix/mmix.c (mmix_select_section): Remove.
        (mmix_unique_section): Remove.
        * config/mmix/mmix-protos.h: Update.

        * config/pa/pa.h (TARGET_ASM_SELECT_SECTION): New.
        (SELECT_SECTION): Move ...
        * config/pa/pa.c (pa_select_section): ... here.
        * config/pa/pa64-hpux.h (UNIQUE_SECTION): Remove.

        * config/rs6000/rs6000.c (rs6000_elf_select_section): Rename
        from rs6000_select_section and make static.
        (rs6000_elf_unique_section): Similarly.
        (rs6000_xcoff_select_section): From xcoff.h.
        (rs6000_xcoff_unique_section): Likewise.
        * config/rs6000/rs6000-protos.h: Update.
        * config/rs6000/sysv4.h (SELECT_SECTION, UNIQUE_SECTION): Remove.
        (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): New.
        * config/rs6000/xcoff.h: Likewise.

        * config/sparc/aout.h (TARGET_ASM_SELECT_SECTION): New.
        (SELECT_SECTION): Move ...
        * config/sparc/sparc.c (sparc_aout_select_section): ... here.

        * config/v850/v850.h (SELECT_SECTION): Move ...
        * config/v850/v850.c (v850_select_section): ... here.
        (TARGET_ASM_SELECT_SECTION): New.

        * config/vax/vms.h (SELECT_SECTION): Move ...
        * config/vax/vax.c (vms_select_section): ... here.
        (TARGET_ASM_SELECT_SECTION): New.

        * doc/tm.texi: Update SELECT_SECTION and UNIQUE_SECTION docs
        for the target hooks.

2002-05-17  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.c (emit_multi_reg_push): Do not set
        RTX_FRAME_RELATED_P on the SEQUENCE.

2002-05-16  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_reorg): Rebuild bb_for_insn before
        splitting.  Use split_all_insns; update_life_info_in_dirty_blocks.

2002-05-16  Richard Henderson  <rth@redhat.com>

        * config/alpha/unicosmk.h (TARGET_OS_CPP_BUILTINS): Fix typo.

        * config/ia64/ia64.c (saveable_obstack): Do not declare.

2002-05-16  Richard Henderson  <rth@redhat.com>

        * basic-block.h, bb-reorder.c, cfg.c, cfganal.c, cfgbuild.c,
        cfgcleanup.c, cfglayout.c, cfgloop.c, cfgrtl.c, combine.c,
        conflict.c, df.c, df.h, dominance.c, final.c, flow.c, function.c,
        gcse.c, global.c, graph.c, haifa-sched.c, ifcvt.c, lcm.c,
        local-alloc.c, loop.c, predict.c, print-rtl.c, profile.c,
        recog.c, reg-stack.c, regclass.c, regmove.c, regrename.c,
        reload1.c, reorg.c, resource.c, sbitmap.c, sched-deps.c,
        sched-ebb.c, sched-rgn.c, sibcall.c, ssa-ccp.c, ssa-dce.c, ssa.c:
        Revert "Basic block renumbering removal", and two followup patches.

2002-05-16  Jason Thorpe  <thorpej@wasabisystems.com>

        * lcm.c (optimize_mode_switching): Revert previous change.

2002-05-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * sched-rgn.c (schedule_insns): Initialize large_region_blocks
        with only extant block numbers.

2002-05-16  Jason Thorpe  <thorpej@wasabisystems.com>

        * lcm.c (optimize_mode_switching): Fix typo.

2002-05-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        * flow.c (calculate_global_regs_live): Queue blocks in program order.

2002-05-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * doc/install.texi (Configuration): Document PWDCMD.

2002-05-16  Dale Johannesen  <dalej@apple.com>

        * combine.c (cant_combine_insn_p):  Reenable combinations
        involving hard regs unless CLASS_LIKELY_SPILLED_P.

2002-05-16  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (cb_register_builtins): Handle more built-ins
        here rather than in gcc.c specs.
        * gcc.c (cpp_unique_options): Move many built-ins to c-common.c.
        (cpp_options): Pass -O flags even when only preprocessing.
        * toplev.c (set_fast_math_flags): New prototype.
        (fast_math_flags_set_p): New.
        (set_no_fast_math_flags): Remove.
        (decode_f_option): Update.
        * toplev.h (set_fast_math_flags): Update.
        (fast_math_flags_set_p): New.
        (set_no_fast_math_flags): Remove.
config:
        * c4x/c4x.c (c4x_override_options): Update.

2002-05-16  Zack Weinberg  <zack@codesourcery.com>

        * c-common.c (STDC_0_IN_SYSTEM_HEADERS, REGISTER_PREFIX):
        Default-define here.
        (builtin_define_with_value): Can now wrap the expansion in
        quotation marks if such is wanted.
        (cb_register_builtins): Update calls to builtin_define_with_value.
        Define __REGISTER_PREFIX__, __USER_LABEL_PREFIX__, and __VERSION__
        here.
        (c_common_init): Set options->stdc_0_in_system_headers.
        * c-lex.h: Update prototype of builtin_define_with_value.
        * cppdefault.h: Remove default definitions of USER_LABEL_PREFIX
        and REGISTER_PREFIX.

        * cppinit.c (VERS, ULP, C, X): Kill.
        (builtin_array): Remove entries for __VERSION__,
        __USER_LABEL_PREFIX__, __REGISTER_PREFIX__, and
        __HAVE_BUILTIN_SETJMP__.  Make __STDC__ always a builtin, not
        a constant.
        (init_builtins): Kill off a bunch of now-dead code.
        (COMMAND_LINE_OPTIONS): Remove -fleading-underscore and
        -fno-leading-underscore.
        (cpp_handle_option): Remove code to set user_label_prefix.
        (cpp_post_options): Likewise.

        * cpplib.h (struct cpp_options): Remove user_label_prefix.
        (stdc_0_in_system_headers): New.
        * cppmacro.c (builtin_macro): Check CPP_OPTION (pfile,
        stdc_0_in_system_headers) too to decide the value of __STDC__.

        * tradcpp.c (user_label_prefix): Kill.
        (main): Remove code handling -f(no-)leading-underscore.
        (initialize_builtins): Don't define __REGISTER_PREFIX__
        or __USER_LABEL_PREFIX__.
        (install_value): Wrap compound statement in dummy loop so the
        macro works properly in an if statement.


2002-05-16  Janis Johnson  <janis187@us.ibm.com>

        * loop.h (struct loop_info): Add member has_prefetch.
        * loop.c (PREFETCH_CONDITIONAL): Change default to 1.
        (prescan_loop): Initialize has_prefetch.
        (struct prefetch_info): Change prefetch_in_loop and
        prefetch_before_loop from bit fields to ints.
        (emit_prefetch_instructions): Several small fixes.
        (check_dbra_loop): Don't reverse loop that uses prefetch.

2002-05-16  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * Makefile.in: Allow for PWDCMD to override hardcoded pwd.
        * configure.in: Likewise.
        * fixinc/check.tpl: Likewise.
        * fixinc/fixinc.dgux: Likewise.
        * fixinc/fixinc.svr4: Likewise.
        * fixinc/fixinc.winnt: Likewise.
        * fixinc/fixincl.sh: Likewise.
        * fixproto: Likewise.
        * configure: Regenerate.

2002-05-16  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>

        Basic block renumbering removal:
        * basic_block.h (struct basic_block_def): Renamed index to sindex,
        added prev_bb and next_bb fields.
        (n_basic_blocks): Renamed to num_basic_blocks.
        (last_basic_block): New, index of last basic block.
        (FOR_BB_BETWEEN, FOR_ALL_BB, FOR_ALL_BB_REVERSE): New macros for
        traversing basic block chain.
        (BLOCK_NUM): index -> sindex.
        (create_basic_block_structure, create_basic_block): Declaration changed.
        (debug_num2bb): Declare.
        (expunge_block_nocompact): Declaration removed.
        (link_block, unlink_block, compact_blocks): Declare.
        * bb-reorder.c (make_reorder_chain, make_reorder_chain_1): Modified.
        * cfg.c (entry_exit_blocks): Initialize new fields.
        (clear_edges, alloc_block, expunge_block, cached_make_edge,
        redirect_edge_pred, dump_flow_info, dump_edge_info,
        alloc_aux_for_blocks, clear_aux_for_blocks, alloc_aux_for_edges,
        free_aux_for_edges): Modified.
        (link_block, unlink_block, compact_blocks, debug_num2bb): New.
        (expunge_block_nocompact): Removed.
        * cfganal.c (can_fallthru, mark_dfs_back_edges, flow_call_edges_add,
        find_unreachable_blocks, create_edge_list, print_edge_list,
        verify_edge_list, flow_edge_list_print, remove_fake_successors,
        remove_fake_edges, flow_reverse_top_sort_order_compute,
        flow_depth_first_order_compute, flow_preorder_transversal_compute,
        flow_dfs_compute_reverse_init, flow_dfs_compute_reverse_add_bb,
        flow_dfs_compute_reverse_execute): Modified.
        * cfgbuild.c (make_edges, make_eh_edge, find_basic_blocks_1,
        find_basic_blocks, find_many_sub_basic_blocks, find_sub_basic_blocks):
        Modified.
        * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
        merge_blocks_move_predecessor_nojumps,
        merge_blocks_move_successor_nojumps, merge_blocks,
        outgoing_edges_match, try_crossjump_to_edge, try_crossjump_bb,
        try_optimize_cfg, delete_unreachable_blocks, cleanup_cfg): Modified.
        * cfglayout.c (skip_insns_after_block, label_for_bb,
        record_effective_endpoints, scope_to_insns_finalize,
        fixup_reorder_chain, verify_insn_chain, cleanup_unconditional_jumps,
        fixup_fallthru_exit_predecessor, cfg_layout_redirect_edge,
        cfg_layout_duplicate_bb): Modified.
        * cfgloop.c (flow_loops_cfg_dump, flow_loop_dump, flow_loops_dump,
        flow_loop_entry_edges_find, flow_loop_exit_edges_find,
        flow_loop_nodes_find, flow_loop_pre_header_find, flow_loop_scan,
        flow_loops_find, flow_loop_outside_edge_p): Modified.
        * cfgrtl.c (create_basic_block_structure, create_basic_block,
        flow_delete_block, compute_bb_for_insn, split_block,
        try_redirect_by_replacing_jump, redirect_edge_and_branch,
        force_nonfallthru_and_redirect, tidy_fallthru_edge,
        back_edge_of_syntactic_loop_p, split_edge, commit_one_edge_insertion,
        commit_edge_insertions, commit_edge_insertions_watch_calls,
        dump_bb, print_rtl_with_bb, verify_flow_info, purge_dead_edges,
        purge_all_dead_edges): Modified.
        * combine.c (combine_instructions, set_nonzero_bits_and_sign_copies,
        try_combine, nonzero_bits, num_sign_bit_copies, get_last_value_validate,
        get_last_value, reg_dead_at_p, distribute_notes, distribute_links):
        Modified.
        * conflict.c (conflict_graph_compute): Modified.
        * df.c (FOR_ALL_BBS): Removed.
        (df_bitmaps_alloc, df_bitmaps_free, df_alloc, df_analyse_1,
        df_modified_p, df_analyse, df_refs_unlink, df_insn_modify,
        df_dump, hybrid_search_bitmap, iterative_dataflow_sbitmap): Modified.
        * df.h (DF_BB_INFO, DF_REF_BBNO): Modified.
        * dominance.c (init_dom_info, calc_dfs_tree_nonrec, calc_dfs_tree,
        calc_idoms, idoms_to_doms, calculate_dominance_info): Modified.
        * final.c (compute_alignments, final_scan_insn): Modified.
        * flow.c (verify_local_live_at_start, update_life_info,
        update_life_info_in_dirty_blocks, free_basic_block_vars,
        delete_noop_moves, calculate_global_regs_live,
        initialize_uninitialized_subregs, allocate_bb_life_data,
        regno_uninitialized, regno_clobbered_at_setjmp, mark_set_1,
        mark_used_reg, count_or_remove_death_notes): Modified.
        * function.c (thread_prologue_and_epilogue_insns): Modified.
        * gcse.c (struct null_pointer_info): Change typo of current_block
        to basic_block.
        (gcse_main, alloc_gcse_mem, compute_local_properties, compute_sets,
        oprs_unchanged_p, load_killed_in_block_p, record_last_reg_set_info,
        compute_hash_table, alloc_rd_mem, handle_rd_kill_set, compute_kill_rd,
        alloc_avail_expr_mem, expr_killed_p, compute_ae_kill,
        expr_reaches_here_p_work, expr_reaches_here_p, handle_avail_expr,
        classic_gcse, one_classic_gcse_pass, compute_transp, cprop,
        one_cprop_pass, compute_pre_data, pre_expr_reaches_here_p_work,
        pre_expr_reaches_here_p, insert_insn_end_bb, pre_edge_insert,
        pre_delete, one_pre_gcse_pass, compute_transpout,
        invalidate_nonnull_info, delete_null_pointer_checks_1,
        free_code_hoist_mem, compute_code_hoist_vbeinout,
        hoist_expr_reaches_here_p, hoist_code, one_code_hoisting_pass,
        compute_ld_motion_mems, store_ops_ok, find_moveable_store,
        compute_store_table, build_store_vectors, insert_insn_start_bb,
        insert_store, replace_store_insn, free_store_memory, store_motion):
        Modified.
        * global.c (global_alloc, global_conflicts, mark_elimination,
        build_insn_chain): Modified.
        * graph.c (print_rtl_graph_with_bb): Modified.
        * haifa-sched.c (sched_init): Modified.
        * ifcvt.c (SET_ORIG_INDEX, ORIG_INDEX): Removed.
        (find_if_block, find_cond_trap, find_if_case_1, find_if_case_2,
        if_convert): Modified.
        * lcm.c (compute_antinout_edge, compute_earliest, compute_laterin,
        compute_insert_delete, pre_edge_lcm, compute_available,
        compute_farthest, compute_nearerout, compute_rev_insert_delete,
        pre_edge_rev_lcm, make_preds_opaque, optimize_mode_switching):
        Modified.
        * local-alloc.c (alloc_qty, local_alloc, update_equiv_regs): Modified.
        * loop.c (loop_dump_aux): Modified.
        * predict.c (combine_predictions_for_insn, estimate_probability,
        last_basic_block_p, process_note_prediction, process_note_predictions,
        note_prediction_to_br_prob, propagate_freq, counts_to_freqs,
        expensive_function_p, estimate_bb_frequencies,
        compute_function_frequency): Modified.
        * print-rtl.c (print_rtx): Modified.
        * profile.c (GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX, instrument_edges,
        get_exec_counts, compute_branch_probabilities, compute_checksum,
        branch_prob, find_spanning_tree): Modified.
        * recog.c (split_all_insns, peephole2_optimize): Modified.
        * reg-stack.c (reg_to_stack, convert_regs_entry, compensate_edge,
        convert_regs_1, convert_regs_2, convert_regs): Modified.
        * regclass.c (scan_one_insn, regclass): Modified.
        * regmove.c (mark_flags_life_zones, regmove_optimize,
        combine_stack_adjustments): Modified.
        * regrename.c (regrename_optimize, copyprop_hardreg_forward): Modified.
        * reload1.c (reload, reload_combine, copy_eh_notes): Modified.
        * reorg.c (dbr_schedule): Modified.
        * resource.c (find_basic_block, init_resource_info): Modified.
        * sbitmap.c (sbitmap_intersection_of_succs,
        sbitmap_intersection_of_preds, sbitmap_union_of_succs,
        sbitmap_union_of_preds): Modified.
        * sched-deps.c (init_dependency_caches): Modified.
        * sched-ebb.c (schedule_ebbs): Modified.
        * sched-rgn.c (is_cfg_nonregular, build_control_flow, debug_regions,
        find_rgns, compute_trg_info, init_regions, schedule_insns): Modified.
        * sibcall.c (optimize_sibling_and_tail_recursive_call): Modified.
        * ssa-ccp.c (examine_flow_edges, optimize_unexecutable_edges,
        ssa_ccp_substitute_constants, ssa_ccp_df_delete_unreachable_insns,
        ssa_const_prop): Modified.
        * ssa-dce.c (set_control_dependent_block_to_edge_map_,
        find_control_dependence, find_pdom, ssa_eliminate_dead_code): Modified.
        * ssa.c (remove_phi_alternative, find_evaluations,
        compute_dominance_frontiers_1, compute_iterated_dominance_frontiers,
        insert_phi_node, rename_block, convert_to_ssa, eliminate_phi,
        make_regs_equivalent_over_bad_edges,
        make_equivalent_phi_alternatives_equival,
        compute_conservative_reg_partition,
        coalesce_regs_in_successor_phi_nodes, compute_coalesced_reg_partition,
        rename_equivalent_regs, convert_from_ssa, for_each_successor_phi):
        Modified.

2002-05-16  Mark Mitchell  <mark@codesourcery.com>

        * cfgrtl.c (purge_dead_edges): Correct handling of EDGE_EH.

2002-05-16  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.c (arm_rtx_costs): Check for RTX being a
        SYMBOL_REF before calling CONSTANT_POOL_ADDRESS_P.
        (arm_adjust_cost): Check for RTX being a SYMBOL_REF before
        calling CONSTANT_POOL_ADDRESS_P.
        * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Fix typo in code
        to decide whether to define __arm__ or __thumb.
        (THUMB_GO_IF_LEGITIMATE_ADDRESS): Check for RTX being a
        SYMBOL_REF before calling CONSTANT_POOL_ADDRESS_P.

2002-05-16  Neil Booth  <neil@daikokuya.demon.co.uk>

        * config/arc/arc.h (CPP_PREDEFINES): Remove.
        (CPP_SPEC): Update.
        (TARGET_CPU_CPP_BUILTINS): New.

2002-05-16  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpphash.h (cpp_macro): Move here, and make expansion a union.
        * cppmacro.c (cpp_macro): Remove.
        (enter_macro_context, replace_args, warn_of_redefinition,
        _cpp_create_definition, cpp_macro_definition): Update.

2002-05-16  Jason Merrill  <jason@redhat.com>

        * config/mips/mips.c (mips_output_external): Don't do sdata
        optimization for a variable with DECL_COMDAT set.

2002-05-15  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h: Cleanups for tighter typechecking.
        Cleanups for accepting modifiers on pointers.
        Fix predicate typos.
        Allow long pointers as well as int pointers.

2002-05-15  Richard Henderson  <rth@redhat.com>

        * varasm.c (merge_weak): Remove special case for extern and common.

2002-05-15  Matt Hiller  <hiller@redhat.com>

        * testsuite/gcc.c-torture/compile/20000804-1.x: Don't return 1 if
        XFAILing.
        * testsuite/gcc.c-torture/compile/20001226-1.x: Ditto.
        * testsuite/gcc.c-torture/compile/920520-1.x: Ditto.
        * testsuite/gcc.c-torture/compile/mipscop-1.x: XFAIL for now.
        * testsuite/gcc.c-torture/compile/mipscop-2.x: Ditto.
        * testsuite/gcc.c-torture/compile/mipscop-3.x: Ditto.
        * testsuite/gcc.c-torture/compile/mipscop-4.x: Ditto.

2002-05-15  Aldy Hernandez  <aldyh@redhat.com>

        * reload1.c (forget_old_reloads_1): Do not use subreg offset.

2002-05-15  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("altivec_mtvscr"): Set VSCR register.
        ("altivec_mfvscr"): Read from VSCR.

        Add vscr sets for the following insns: altivec_vctuxs,
        altivec_vaddubs, altivec_vaddsbs, altivec_vadduhs,
        altivec_vaddshs, altivec_vadduws, altivec_vaddsws, altivec_vctsxs,
        altivec_vmhaddshs, altivec_vmhraddshs, altivec_vmsumuhs,
        altivec_vmsumshs, altivec_vpkuhss, altivec_vpkshss,
        altivec_vpkuwss, altivec_vpkswss, altivec_vpkuhus,
        altivec_vpkshus, altivec_vpkuwus, altivec_vpkswus,
        altivec_vsububs, altivec_vsubsbs, altivec_vsubuhs,
        altivec_vsubshs, altivec_vsubuws, altivec_vsubsws,
        altivec_vsum4ubs, altivec_vsum4sbs, altivec_vsum4shs,
        altivec_vsum2sws, altivec_vsumsws.

        * config/rs6000/rs6000.h: Add VSCR fixed register.
        (CALL_REALLY_USED_REGISTERS): Add vscr.
        (CALL_USED_REGISTERS): Same.
        (FIXED_REGISTERS): Same.
        (REG_ALLOC_ORDER): Same.
        (reg_class): Add VSCR_REGS.
        (REG_CLASS_NAMES): Same.
        (REG_CLASS_CONTENTS): Same.
        (VSCR_REGNO): New.
        (REGISTER_NAMES): Add vscr.
        (DEBUG_REGISTER_NAMES): Same.
        (ADDITIONAL_REGISTER_NAMES): Same.
        (FIRST_PSEUDO_REGISTER): Increment.
        (CONDITIONAL_REGISTER_USAGE): Set VSCR as a global register.

2002-05-15  Jakub Jelinek  <jakub@redhat.com>

        * fold-const.c (fold): Fix a typo.

2002-05-15  Eric Botcazou  <ebotcazou@multimania.com>

        * fold-const.c (fold) [LT_EXPR]: Move the transformation of a
        comparison against the highest or lowest integer value before
        the 'X >= CST to X > (CST - 1)' and 'X < CST to X <= (CST - 1)'
        transformation and that of an unsigned comparison against 0
        right after.

2002-05-15  Richard Henderson  <rth@redhat.com>

        * varasm.c (merge_weak): Error for any weakening after definition.
        Adjust weakening after use warning to catch more cases.
        (assemble_alias): Set TREE_USED and TREE_ASM_WRITTEN consistently.
        * config/alpha/alpha.c (alpha_encode_section_info): Do not abort.

Wed May 15 10:38:27 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * invoke.texi (-malign-double): Re-add lost warning.

        * i386-protos.h (x86_output_mi_thunk): Declare.
        * unix.h (ASM_OUTPUT_MI_THUNK): Move offline to ...
        * i386.c (x86_output_mi_thunk): ... here; handle 64bits.

        * dwarf2out.c (output_call_frame_info): Do not skip unwind info
        when flag_asynchronous_unwind_tables is set.

        * flags.h (flag_reorder_functions): Declare.
        * function.c (prepare_function_start): Initialize frequnecy.
        * params.def (HOT_BB_COUNT_FRACTION, HOT_BB_FREQUENCY_FRACTION): New.
        * Makefile.in (predict.o): Add dependency on target.h and params.h
        * defaults.h (HOT_TEXT_SECTION_NAME,
        UNLIKELY_EXECUTED_TEXT_SECTION_NAME): New macros.
        * predict.c (choose_function_section): New function.
        (estimate_bb_frequencies): Use it.
        * toplev.c (flag_reorder_functions): New global variable.
        (lang_independent_options): New.
        (parse_options_and_default_flags): Set.
        * varasm.c (assemble_start_function): Bypass functdion alignment
        for never executed functions.
        * invoke.texi (-freorder-blocks, -freorder-functions): Document.
        (param hot-bb-count-fraction, hot-bb-frequency-fraction): New.
        * tm.texi (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
        Document.

        Thu Jan  3 21:52:09 CET 2002  Jan Hubicka  <jh@suse.cz>

        * predict.c: Inlude profile.h
        (MIN_COUNT): Rename to MIN_COUNT_FRACTION
        (maybe_hot_bb_p, probably_cold_bb_p, probably_never_executed_bb_p):
        Use the information about maximal counter in the program.

        Thu Dec 20 22:14:00 CET 2001  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (maybe_hot_bb_p, probably_cold_bb_p,
        probably_never_executed_bb_p): New functions.
        * cfgcleanup.c (outgoing_edges_match): Use them.
        * predict.c (MIN_COUNT, MIN_FREQUENCY): New macros.
        (maybe_hot_bb_p, probably_cold_bb_p,
        probably_never_executed_bb_p): New functions.

        * function.h (function): Add new field function_frequency.
        * predict.c (compute_function_frequency): New function.
        (estimate_probability): Call it.

2002-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/5172, optimization/5200
        * gcse.c (gcse_main): Disable store_motion.

2002-05-14  Zack Weinberg  <zack@codesourcery.com>

        * c-parse.in (MODIFIED_WCHAR_TYPE): New macro.
        (c_common_nodes_and_builtins): Use it.
        (builtin_define_with_value): New function.
        (cb_register_builtins): Define __SIZE_TYPE__,
        __PTRDIFF_TYPE__, __WCHAR_TYPE__, and __WINT_TYPE__ here,
        using builtin_define_with_value.  Use consistent notation when
        defining __GXX_WEAK__.
        (WCHAR_TYPE_SIZE): Don't redefine.
        (combine_strings): Don't use WCHAR_TYPE_SIZE.

        * cppdefault.h: Don't provide defaults for SIZE_TYPE,
        PTRDIFF_TYPE, WCHAR_TYPE, or WINT_TYPE.
        * cppinit.c (builtin_array): Remove entries for __SIZE_TYPE__ etc.
        * tradcpp.c (initialize_builtins): Likewise.
        * gcc.c (cpp_unique_options): Don't muck with __WCHAR_TYPE__.

        * c-lex.h (builtin_define_with_value): Prototype.
        * system.h: Poison NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_WCHAR_TYPE,
        NO_BUILTIN_PTRDIFF_TYPE, and NO_BUILTIN_WINT_TYPE.
        * doc/tm.texi: Remove mention of NO_BUILTIN_SIZE_TYPE etc.

        * config/avr/avr.h, config/h8300/h8300.h, config/i386/i386.h,
        config/ia64/ia64.h, config/mips/dec-osf1.h, config/mips/iris6.h,
        config/mips/linux.h, config/mips/mips.h, config/mips/netbsd.h,
        config/mips/osfrose.h, config/mips/sni-svr4.h, config/rs6000/aix51.h,
        config/s390/linux.h, config/sh/sh.h, config/sh/sh64.h,
        config/sparc/linux64.h, config/sparc/netbsd-elf.h,
        config/sparc/sol2-bi.h, config/sparc/sparc.h:
        Do not define NO_BUILTIN_SIZE_TYPE etc.  Remove all references
        to __SIZE_TYPE__ etc from all spec strings. When this makes
        extra specs empty, delete them.

2002-05-14  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.c (override_options): Override TARGET_JUMP_IN_DELAY when scheduling
        for PA8000 or generating dwarf2 call frame information.
        (output_call): Remove DO_FRAME_NOTES check from return pointer
        optimization.
        (following_call): Return 0 when scheduling for PA8000 or generating
        dwarf2 call frame information.  Revise comment.

2002-05-14  Neil Booth  <neil@daikokuya.demon.co.uk>

config/alpha:
        * alpha.h (TARGET_CPU_CPP_BUILTINS): Define __IEEE_FP
        and __IEEE_FP_INEXACT as appropriate.
        (CPLUSPLUS_CPP_SPEC): Don't define __cplusplus.
        (CPP_SPEC): Remove ieee defines.
        * freebsd.h, netbsd.h: Remove ieee defines and cpp_cpu.

2002-05-14  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_save_reg): Make regno unsigned.
        (ix86_safe_length, ix86_safe_length_prefix, ix86_safe_memory): Kill.

2002-05-14  Neil Booth  <neil@daikokuya.demon.co.uk>

        * arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define.
        (CPP_SPEC): Update.
        (CPP_APCS_PC_SPEC, CPP_APCS_PC_DEFAULT_SPEC,
        CPP_FLOAT_SPEC, CPP_FLOAT_DEFAULT_SPEC, CPP_ENDIAN_SPEC,
        CPP_ENDIAN_DEFAULT_SPEC, CPP_INTERWORK_DEFAULT_SPEC,
        CPP_INTERWORK_SPEC, CPP_PREDEFINES): Remove.
        (EXTRA_SPECS): Update.
        * arm/conix-elf.h, arm/linux-elf.h, arm/netbsd.h, arm/riscix.h,
        arm/riscix1-1.h, arm/rtems-elf.h, arm/semiaof.h, arm/unknown-elf.h,
        arm/unknown-elf-oabi.h, arm/vxarm.h: Remove CPP_PREDEFINES and
        define TARGET_OS_CPP_BUILTINS if necessary.

2002-05-14  Neil Booth  <neil@daikokuya.demon.co.uk>

        * gcc.c (cpp_options): Must pass -m* and -f* options
        to the front end even when only preprocessing.
        (cc1_options): Remove redundant -lang-c.
        * tradcpp.c (main): Ignore -m options.
objc:
        * lang-specs.h: Similarly.

2002-05-14  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (transform_3): Add code for transformation
        `(A,B,...)+C -> A+C,B,...'.

Tue May 14 12:48:22 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * final.c (end_final): Do not output profile_arcs constructor, when
        no functions are instrumented.

Tue May 14 12:38:30 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (testsi to testqi_zext_1 splitter): Fix typo.

2002-05-14  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi: Remove special markup originally required for
        HTML generation with texi2html.

2002-05-14  Andreas Schwab  <schwab@suse.de>

        * config/ia64/sysv4.h (DO_SELECT_SECTION): Factored out of
        SELECT_SECTION.
        (UNIQUE_SECTION): Define to get small data correctly.

        * varasm.c (resolve_unique_section): Add third parameter
        flag_function_or_data_sections and use it instead of
        flag_function_sections.
        (assemble_start_function): Pass flag_function_sections.
        (asm_emit_uninitialised): Pass flag_data_sections.
        (assemble_variable): Likewise.

2002-05-14  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md: Use define_constants for unspec numbers.
        * config/i386/i386.c: Likewise.

2002-05-13  Neil Booth  <neil@daikokuya.demon.co.uk>

        * doc/contrib.texi: Update my entry.

2002-05-13  Mark Mitchell  <mark@codesourcery.com>

        * fixinc/inclhack.def (winidss_valist): Limit applicability.
        * fixinc/fixincl.x: Regenerated.
        * fixinc/tests/base/math.h: Update.
        * fixinc/tests/base/testing.h: Likewise.

2002-05-13  Zack Weinberg  <zack@codesourcery.com>

        * genattr.c (gen_attr): Don't emit a comma after the last
        enumerator.

2002-05-13  Richard Henderson  <rth@redhat.com>

        * cfgrtl.c (purge_dead_edges): Handle abnormal call edges created
        by non-local gotos.
        * recog.c (peephole2_optimize): Likewise.

2002-05-13  Andris Pavenis  <pavenis@lanet.lv>

        * cppfiles.c (open_file): Change mode (DJGPP only) of redirected
        input to O_BINARY.

2002-05-13  Jeffrey A Law  (law@redhat.com)

        * flow.c (invalidate_mems_from_autoinc): Rewrite to use for_each_rtx.
        Update prototype and callers.
        (propagate_one_insn): Stack pointer adjustments kill MEMs on
        the mem_set_list which reference the stack pointer, as do
        calls to constant functions as they may clobber outgoing
        argument space.

        * i386.c (ia32_multipass_dfa_lookahead): Prototype.

        * i386.c (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD): Define.
        (ia32_multipass_dfa_lookahead): New function.

2002-05-13  Neil Booth  <neil@daikokuya.demon.co.uk>

        * gcc.c (SWITCH_TAKES_ARG): Remove 'V'.
        (translate_options): Remove 'V'.
        (process_command): Similarly.
doc:
        * invoke.texi: Remove documentation of 'V'.

2002-05-13  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/linux.h: Revert 2002-04-22 changes.

2002-05-13  Scott Marks <SMarks@mobile-mind.com>

        * config/fr30/fr30.md: Only allow splits of immediate loads
        if the destination is a register.

2002-05-13  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in (c-common.o, cppinit.o): Update.
        * c-common.c: Include except.h.
        (cb_register_builtins): Handle __USING_SJLJ_EXCEPTIONS__.
        Call TARGET_CPU_CPP_BUILTINS and TARGET_OS_CPP_BUILTINS.
        * cppinit.c (__USING_SJLJ_EXCEPTIONS): Not here.
        * defaults.h (TARGET_OS_CPP_BUILTINS, TARGET_CPU_CPP_BUILTINS,
        CPP_PREDEFINES): Handle here.
config:
        * alpha/alpha-interix.h, alpha/gnu.h, alpha/linux.h,
        alpha/netbsd.h, alpha/openbsd.h, alpha/osf.h, alpha/unicosmk.h,
        alpha/vms.h, alpha/vxworks.h: Remove CPP_PREDEFINES, define
        TARGET_OS_CPP_BUILTINS.
        * alpha/alpha.h (TARGET_CPU_CPP_BUILTINS): Define.
        (CPP_SPEC, EXTRA_SPECS): Update.
        (CPP_AM_BWX_SPEC, CPP_AM_MAX_SPEC, CPP_AM_FIX_SPEC,
        CPP_AM_CIX_SPEC, CPP_IM_EV4_SPEC, CPP_IM_EV5_SPEC,
        CPP_IM_EV6_SPEC, CPP_CPU_EV4_SPEC, CPP_CPU_EV5_SPEC,
        CPP_CPU_EV56_SPEC, CPP_CPU_PCA56_SPEC, CPP_CPU_EV6_SPEC,
        CPP_CPU_EV67_SPEC, CPP_CPU_DEFAULT_SPEC, CPP_CPU_SPEC): Remove.
doc:
        * tm.texi (TARGET_REGISTER_CPP_BUILTINS): Remove.
        (TARGET_OS_CPP_BUILTINS, TARGET_CPU_CPP_BUILTINS): Define.

2002-05-12  Zack Weinberg  <zack@codesourcery.com>

        * emit-rtl.c (global_rtl): Update comment.
        (const_double_htab, const_double_htab_hash,
        const_double_htab_hash, lookup_const_double): New.
        (const_int_htab_hash, const_int_htab_eq): Remove const
        qualifiers, which cause tons of warnings with RTL checking on.
        (gen_rtx_CONST_DOUBLE): Deleted.
        (const_double_from_real_value): New function - bears some
        resemblance to the former immed_real_const_1.
        (immed_double_const): Moved here from varasm.c and
        simplified.
        (gen_rtx_REG): Make REGNO unsigned to squelch warnings.
        (gen_rtx_SUBREG): Use gen_rtx_raw_SUBREG.
        (gen_rtx): Use immed_double_const.
        (init_emit_once): Initialize the const_double_htab.  Use
        REAL_VALUE_FROM_INT where possible.  Can now use
        CONST_DOUBLE_FROM_REAL_VALUE when setting up const_tiny_rtx.
        * varasm.c (struct varasm_status): Remove x_const_double_chain.
        (const_double_chain, immed_real_const, clear_const_double_mem): Delete.
        (immed_double_const, immed_real_const_1): Moved to emit-rtl.c.
        (init_varasm_status, mark_varasm_status): Don't touch
        x_const_double_chain.

        * output.h: Delete prototype for clear_const_double_mem.
        * real.h: Make REAL_VALUE_TYPE a macro again.  Remove leading
        '0' slot from all CONST_DOUBLE_FORMAT definitions.  Prototype
        const_double_from_real_value, not immed_real_const_1, and use
        it to define CONST_DOUBLE_FROM_REAL_VALUE.  Define new macro
        CONST_DOUBLE_ATOF.
        * rtl.h (CONST_DOUBLE_CHAIN): Kill.
        (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Adjust.
        (gen_rtx_CONST_DOUBLE, immed_real_const): Delete prototypes.
        (gen_rtx_REG): Second arg is unsigned.

        * gengenrtl.c (special_rtx): Take out CONST_DOUBLE.
        (excluded_rtx): New, return true for CONST_DOUBLE.
        (genmacro): Write nothing for excluded codes.
        * combine.c (combine_simplify_rtx): Use CONST_DOUBLE_FROM_REAL_VALUE.
        * expr.c (expand_expr): Likewise.
        * ggc-common.c (ggc_mark_rtx_children_1): Don't mark the
        CONST_DOUBLE_CHAIN.
        * toplev.c (rest_of_compilation): Don't call
        clear_const_double_mem.

        * config/rs6000/rs6000.c (rs6000_float_const): Delete.
        (rs6000_hash_constant): Remove CONST_DOUBLE special case.
        (toc_hash_eq): Remove CONST_DOUBLE and LABEL_REF special cases.
        * config/rs6000/rs6000-protos.h: Don't prototype rs6000_float_const.
        * config/c4x/c4x.md, config/rs6000/rs6000.md: Use CONST_DOUBLE_ATOF.
        * config/dsp16xx/dsp16xx.md, config/mips/mips.md,
        config/pa/pa.md: Use CONST_DOUBLE_FROM_REAL_VALUE.
        * config/sparc/sparc.md, config/sparc/sparc.c: Use immed_double_const.

2002-05-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * mips/iris6.h (CPLUSPLUS_CPP_SPEC): Define.

2002-05-12  Tom Tromey  <tromey@redhat.com>

        * tree.h (copy_node): Don't mention TREE_PERMANENT.

2002-05-12  Zack Weinberg  <zack@codesourcery.com>

        * gensupport.c (n_comma_elts): Moved here from genattrtab.c.
        (scan_comma_elt): New function.  Accepts whitespace in comma lists.
        * gensupport.h: Prototype new routines.
        * genattr.c (gen_attr): Use scan_comma_elt.  Avoid unnecessary
        use of printf.
        * genattrtab.c (n_comma_elts): Moved to gensupport.c.
        (next_comma_elt): Use scan_comma_elt.

        * config/i386/i386.md: Use new attribute notation to break up
        long lines in define_attr forms.

2002-05-12  Richard Henderson  <rth@redhat.com>

        * expr.c (compress_float_constant): New.
        (emit_move_insn): Use it.
        (float_extend_from_mem): New.
        (init_expr_once): Initialize it.
        * real.c (exact_real_truncate): New.

        * config/i386/i386.h (CONST_COSTS): Assume CONST_DOUBLE gets
        dropped into memory; penalize for size.
        (RTX_COSTS): FLOAT_EXTEND is free.
        * config/i386/i386.md (extendsfdf2, extendsfxf2, extendsftf2,
        extenddfxf2, extenddftf2): Accept constants and drop them to memory.

2002-05-12  Richard Henderson  <rth@redhat.com>

        * profile.h (profile_info): Add missing extern to declaration.
        * profile.c (profile_info): Define it.

2002-05-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Revise sets of general registers
        used for DImode and TImode.

2002-05-11  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpplex.c (_cpp_lex_direct): When in a directive at EOF
        fake a newline.

2002-05-11  Zack Weinberg  <zack@codesourcery.com>

        * config/rs6000/rs6000.c (rs6000_default_long_calls,
        rs6000_longcall_switch, rs6000_set_default_type_attributes): New.
        (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Set it.
        (rs6000_override_options): Handle -m(no-)longcall.
        (init_cumulative_args, output_mi_thunk): Check for both
        longcall and shortcall attributes on the function.
        (rs6000_attribute_table): Add "shortcall".
        (rs6000_handle_longcall_attribute): Update comment.
        (altivec_expand_unop_builtin, altivec_expand_binop_builtin,
        altivec_expand_ternop_builtin): Add default clauses to switches
        to silence warnings.

        * config/rs6000/rs6000.h: Declare rs6000_longcall_switch and
        rs6000_default_long_calls.  Define REGISTER_TARGET_PRAGMAS.
        (TARGET_OPTIONS): Add longcall and no-longcall.

        * config/rs6000/rs6000.md (call_nonlocal_sysv,
        call_value_nonlocal_sysv): Split by alternatives.  One pair
        accepts only SYMBOL_REFs and rejects if CALL_LONG is set in
        the call cookie.  The other pair accepts only LR/CTR and has
        no restriction.

        * config.gcc (rs6000-*-* | powerpc*-*-* trailer stanza):
        Set c_target_objs, cxx_target_objs; add t-rs6000-c-rule to
        tmake_file.
        * config/rs6000/rs6000-c.c: New file.
        * config/rs6000/t-rs6000-c-rule: New file.
        * config/rs6000/rs6000-protos.c: Add multiple-include guard.
        Prototype rs6000_pragma_longcall.

        * doc/extend.texi: Document shortcall attribute.
        * doc/invoke.texi: Document -mlongcall, -mno-longcall.

2002-05-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * reorg.c (dbr_schedule): Remove unnecessary test.

Sat May 11 14:34:35 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (testsi to testqi spliters): New.

        2002-01-14  Josef Zlomek  <zlomek@matfyz.cz>

        cfg.c (dump_edge_info): added dumping of EDGE_CAN_FALLTHRU.

        Wed Jan  9 2002  Josef Zlomek  <zlomj9am@artax.karlin.mff.cuni.cz>

        * basic-block.h: New flag EDGE_CAN_FALLTHRU
        * cfganal.c (set_edge_can_fallthru_flag): New function; marks the edges
        that can be made fallthru.

        Mon Nov 12 16:25:53 CET 2001  Jan Hubicka  <jh@suse.cz>

        * cfglayout.c (cleanup_unconditional_jumps): New static function.
        (cfg_layout_initialize): Use it.

2002-05-11  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        * config/avr/avr.c (avr_mcu_types): Update supported devices.
        * config/avr/avr.h (CPP_SPEC, LINK_SPEC, CRT_BINUTILS_SPECS): Likewise.
        * config/avr/t-avr (MULTILIB_MATCHES): Likewise.

2002-05-11  Kazu Hirata  <kazu@cs.umass.edu>

        * dbxout.c: Fix formatting.
        * dependence.c: Likewise.
        * df.c: Likewise.
        * diagnostic.c: Likewise.
        * doloop.c: Likewise.
        * dominance.c: Likewise.
        * doschk.c: Likewise.
        * dwarf2asm.c: Likewise.
        * dwarf2out.c: Likewise.
        * dwarfout.c: Likewise.

2002-05-10  Richard Henderson  <rth@redhat.com>

        * final.c (end_final): Tidy whitespace.  Don't honor flag_pack_struct.
        Convert integers constants as needed.  Replace "nwords" field with
        "sizeof_bb".
        (final): Save profile data if cfun->arc_profile, not profile_arc_flag.
        * function.h: Fix typo in comment.
        * libgcc2.c (struct bb): Replace "nwords" with "sizeof_bb".

2002-05-10  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (build_range_check): Optimize (c>=1) && (c<=127)
        into the equivalent (signed char)c > 0.

2002-05-10  Janis Johnson  <janis187@us.ibm.com>

        * loop.c: (PREFETCH_EXTREME_DIFFERENCE, PREFETCH_BEFORE_LOOP): New.
        (PREFETCH_CONDITIONAL): Renamed from PREFETCH_NOT_ALWAYS.
        (struct prefetch_info): Fix spelling of member bytes_accessed.
        (emit_prefetch_instructions): Make dump messages more regular;
        restructure code to add more dump messages; use new macros for
        heuristics. (There are no code generation changes in any of this).

2002-05-10  David S. Miller  <davem@redhat.com>

        * rtl.h (INSN_ANNULLED_BRANCH_P): Accept INSN too, update comment.
        (struct rtx_def): Update unchanging flag comment.
        * doc/rtl.texi (INSN_ANNULLED_BRANCH_P): Update description.
        * reorg.c (delete_from_delay_list): INSN_ANNULLED_BRANCH_P needs
        to be handled to INSN too.
        (dbr_schedule): Likewise.
        * resource.c (next_insn_no_annul): Likewise.

        * cse.c (rtx_cost): Remove multiplication by power of 2 special
        casing.

2002-05-14  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Specific, *-*-solaris2*): Update passus on
        setting CONFIG_SHELL to /bin/ksh and remove alternate trick to
        (possibly) work around broken /bin/sh.

2002-05-10  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/mips/t-iris6 (SHLIB_SLIBDIR_SUFFIXES): Use mabi=64 and
        . as N64/N32 libgcc_s.so subdirs.

2002-05-10  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.md: Use define_constants for unspec numbers.

        * rtl.h (struct rtx_def): Document unchanging and in_struct flags
        more accurately.
        (INSN_ANNULLED_BRANCH_P): Only valid for JUMP_INSN and CALL_INSN, fix
        comment.
        (INSN_FROM_TARGET_P): Valid also for CALL_INSN.
        * doc/rtl.texi: Document these macros more accurately.
        * recog.c (whole file): Only mess with INSN_ANNULLED_BRANCH_P for
        JUMP_INSNs and CALL_INSNs.
        * resource.c (whole file): Only mess with INSN_ANNULLED_BRANCH_P
        or INSN_FROM_TARGET_P if the code is appropriate.

2002-05-10  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        * config/avr/avr.c (print_operand): Check that addr is a SYMBOL_REF
        before using SYMBOL_REF_FLAG (addr).

        * config/avr/avr-protos.h (avr_io_address_p): Declare.
        * config/avr/avr.c (io_address_p): Rename to avr_io_address_p.
        Make non-static.  Update all callers.
        * config/avr/avr.md (*cbi, *sbi, *sbix_branch, *sbix_branch_bit7):
        New insns to clear/set/test a single bit in I/O address space.

2002-05-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * rtl.h (ENABLE_RTL_FLAG_CHECKING): Also check for gcc >= 2.7.

2002-05-09  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in: Update.
        * c-common.c (flag_iso, flag_undef, cb_register_builtins,
        builtin_define_std): New.
        (c_common_init): Register CPP builtins callback.
        * c-common.h (flag_iso, flag_undef): New.
        * c-decl.c (c_decode_option): Set flag_iso and flag_undef.
        * c-lex.c: Don't include target.h.
        (cb_register_builtins): Move to c-common.c.
        (init_c_lex): Don't register hook here.
        * c-lex.h (builtin_define, builtin_assert, builtin_define_std): New.
        (cpp_define, cpp_assert): Remove.
        * gcc.c (cc1_options): Pass -undef to front end.
        * target-def.h (TARGET_REGISTER_CPP_BUILTINS): Remove.
        (TARGET_INITIALIZER): Update.
        * target.h (struct cpp_reader): Don't predeclare.
        (struct gcc_target): Remove cpp builtin hook.
        * tree.c (default_register_cpp_builtins): Remove.
doc:
        * tm.texi: Update.

2002-05-09  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppexp.c (_cpp_expand_op_stack): Set op_limit.

2002-05-09  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/mips/t-iris6 (SHLIB_SLIBDIR_SUFFIXES): Define.
        (SHLIB_LINK, SHLIB_INSTALL): Adjust.

2002-05-09  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/t-linux64 (SHLIB_MAPFILES): Set.
        * config/sparc/libgcc-sparc-glibc.ver: New file.
        * config/cris/t-linux (SHLIB_MAPFILES): Remove.
        * mklibgcc.in: Preprocess SHLIB_MAPFILES with ml flags.

2002-05-09  Jakub Jelinek  <jakub@redhat.com>

        PR target/6429
        * Makefile.in (libgcc.mk): Pass SHLIB_SLIBDIR_SUFFIXES to mklibgcc.
        * mklibgcc.in: If SHLIB_SLIBDIR_SUFFIXES is defined, put libgcc_s
        shared libraries into multilib dirs, with SONAME libgcc_s.so.1 for
        base multilibs.
        * config/t-slibgcc-elf-ver (SHLIB_LINK): Adjust for the above.
        * config/t-slibgcc-sld (SHLIB_LINK): Likewise.
        * config/sparc/t-linux64 (SHLIB_SLIBDIR_SUFFIXES): Define.
        * config/sparc/t-sol2-64 (SHLIB_SLIBDIR_SUFFIXES): Define.

2002-05-09  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.md: Use define_constants for unspec numbers.
        * config/ia64/ia64.c: Likewise.

2002-05-09  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_add_large_offset_to_sp): Remove FILE arg.
        (save_restore_insns): Likewise.
        (mips_expand_prologue, mips_expand_epilogue): Update callers.
        (highpart_shift_operator): Attach ATTRIBUTE_UNUSED to mode argument.

Thu May  9 11:50:09 2002  Jeffrey A Law  (law@redhat.com)

        * athlon.md, k6.md, pentium.md, ppro.md): New files.
        * i386.md: Move scheduling information into new files.

        * i386.md (type attribute): Add "rotate" for rotate insns.
        (rotate insns): Set type to "rotate".
        (various attributes and function units): Treat rotate like shift.
        (pent_pair attribute): Only rotates by one bit position are
        pairable.
        (sbb insns): Explicitly set pent_pair attribute on a couple
        that were missing it.

Thu May  9 18:29:24 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c (sh_builtin_saveregs): If starting with an odd fp register,
        make sure that buffer starts on odd word address.
        (sh_va_arg): Skip odd fp registers when reading a double precision
        value.

2002-05-09  Neil Booth  <neil@daikokuya.demon.co.uk>

        * tree.h (preserve_data, object_permanent_p, type_precision):
        Remove.

2002-05-09  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpplib.c (cpp_init_internal_pragmas): Remove #pragma poison.
        * cppmacro.c (paste_all_tokens): Bad pastes are a hard error.
doc:
        * cpp.texi: Update for removal of obsolete features.

Thu May  9 07:46:18 2002  Jan Hubicka <jh@suse.cz>
                          Jeffrey A Law  (law@redhat.com)

        * i386.c (ia32_use_dfa_pipeline_interface): New function.  Use
        the DFA interface for Pentium processors.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): DEFINE.
        (attr_pent_pair, ix86_pent_find_pair): Remove.
        (ix86_sched_reorder_pentium): Remove.
        (ix86_sched_reorder): Remove reordering for Pentium.
        * i386.md (Pentium scheduling): Rewrite using DFA description.

Thu May  9 14:55:39 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * cfganal.c (can_fallthru): Fix fast path.
        * cfgrtl.c (verify_flow_info): Avoid crash on conditionals
        with edges to the next block.

Thu May  9 14:52:45 CEST 2002  Jan Hubicka  <jh@suse.cz>
                               Pavel Nejedly  <bim@atrey.karlin.mff.cuni.cz>

        * final.c (end_final): Use C trees to output data structures for profiling.

        * Makefile.in (LIBGCC_DEPS): Added missing dependency on gcov-io.h
        (profile.o): New dependency profile.h
        (final.o): New dependency profile.h
        * profile.h: New file. New global structure profile_info.
        * final.h (count_edges_instrumented_now): Declare.
        (current_function_cfg_checksum): Declare.
        (function_list): New structure.
        (functions_head, functions_tail): New static variables.
        (end_final): Emits more data, removed some -ax stuff.
        (final): Stores function names and chcksums.
        * gcov-io.h (__write_gcov_string): New function.
        (__read_gcov_string): New function.
        * gcov.c (read_profile): New function.
        (create_program_flow_graph): Uses read_profile instead of reading
        da_file.
        (read_files): Removed da_file checking, it's done by read_profile now.
        * libgcc2.c (bb_function_info): New structure.
        (bb): New field in structure, removed some -ax stuff.
        (__bb_exit_func): Changed structure of da_file.
        * profile.c (count_edges_instrumented_now): New global variable.
        (current_function_cfg_checksum): New global variable.
        (max_counter_in_program): New global variable.
        (get_exec_counts): New function.
        (compute_checksum): New function.
        (instrument_edges): Sets count_edges_instrumented_now.
        (compute_branch_probabilities): Uses get_exec_counts instead of
        reading da_file.
        (branch_prob): Calls compute_checksum and writes extra data to bbg_file.
        (init_branch_prob): Removed da_file checking, done in get_exec_counts
        now.
        (end_branch_prob): Removed da_file checking, done in get_exec_counts
        now.
        * gcov.texi: Updated information about gcov file format.

2002-05-09  Kazu Hirata  <kazu@cs.umass.edu>

        * sbitmap.c: Fix formatting.
        * scan.c: Likewise.
        * scan-decls.c: Likewise.
        * sched-deps.c: Likewise.
        * sched-ebb.c: Likewise.
        * sched-rgn.c: Likewise.
        * sched-vis.c: Likewise.
        * sdbout.c: Likewise.
        * sibcall.c: Likewise.
        * simplify-rtx.c: Likewise.
        * ssa.c: Likewise.
        * ssa-ccp.c: Likewise.
        * ssa-dce.c: Likewise.
        * stmt.c: Likewise.
        * stor-layout.c: Likewise.
        * stringpool.c: Likewise.

2002-05-09  David S. Miller  <davem@redhat.com>

        * config/sparc/sol2.h (ASM_CPU_SPEC): Handle -mcpu=v9.

2002-05-07  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.h (TARGET_BUGGY_QP_LIB): Define to zero.
        * config/sparc/sol2.h (TARGET_BUGGY_QP_LIB): Override to one.
        * config/sparc/sparc.c (emit_soft_tfmode_libcall): If the Qp
        library implementation clobbers the output before the inputs
        are fully consumed, use stack temporary for the output.

2002-05-09  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/netbsd.h (CPP_SPEC): Remove.
        * config/i386/netbsd-elf.h (CPP_SPEC): Define.
        * config/i386/netbsd.h (CPP_SPEC): Define.
        * config/ns32k/netbsd.h (CPP_SPEC): Define.
        * config/sparc/netbsd-elf.h (CPP_SPEC): Remove.
        * config/sparc/netbsd.h (CPP_SPEC): Define.
        * config/vax/netbsd.h (CPP_SPEC): Define.

2002-05-08  Kazu Hirata  <kazu@cs.umass.edu>

        * read-rtl.c: Fix formatting.
        * real.c: Likewise.
        * recog.c: Likewise.
        * regclass.c: Likewise.
        * regmove.c: Likewise.
        * reg-stack.c: Likewise.
        * reload1.c: Likewise.
        * reload.c: Likewise.
        * resource.c: Likewise.
        * rtlanal.c: Likewise.
        * rtl.c: Likewise.
        * rtl-error.c: Likewise.

2002-05-08  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa/pa-64.h (MAX_WCHAR_TYPE_SIZE): Delete.
        * pa/pa.h (MAX_WCHAR_TYPE_SIZE): Delete.

2002-05-08  Bernd Schmidt  <bernds@redhat.com>

        * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Tweak previous change to
        use __SSE2__ macro instead.
        * config/i386/xmmintrin.h: Likewise.

2002-05-08  Janis Johnson  <janis187@us.ibm.com>

        * rtl.h (RTL_FLAG_CHECK*): Add an argument for the macro name,
        and use it in all invocations of these macros.  Clean up comments.
        * rtl.c (rtl_check_failed_flag): Add an argument for the name
        of the flag access macro whose check failed.
        * doc/rtl.texi (Flags): Document additional flag uses.

2002-05-08  Robert Spier <rspier@pobox.com>
            Neil Booth  <neil@daikokuya.demon.co.uk>

        PR preprocessor/6521
        * cppfiles.c (handle_missing_header): Don't do anything
        different for <> includes.
doc:
        * cppopts.texi: Update documentation for -MG.

2002-05-08  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpplex.c (cpp_interpret_charconst): Truncate as well as
        sign-extend.
doc:
        * cpp.texi: Clarify multichar charconst valuation.

2002-05-08  Mark Mitchell  <mark@codesourcery.com>

        * doc/invoke.texi: Document -mwindiss option.

2002-05-08  Jason Merrill  <jason@redhat.com>

        * dwarf2out.c (output_call_frame_info): Don't emit a CIE with no FDEs.

        * dwarf2out.c (gen_type_die): Abort on broken recursion.

        PR c++/6381
        * dwarf2out.c (rtl_for_decl_location): Only expand INTEGER_CST and
        REAL_CST.

2002-05-08  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/t-arm-elf (MULTILIB): Do not allow big-endian/
        little-endian multilibs to override arm/thumb multilibs.
        Do not build hardware floating point multilibs, nor apcs-26
        multilibs for the Thumb.

2002-05-08  Mark Mitchell  <mark@codesourcery.com>

        PR c/6569.
        * varasm.c (mark_weak): New function.
        (merge_weak): Use it.  Do not call declare_weak.
        (declare_weak): Use merge_weak.

Wed May  8 13:12:11 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * cse.c (dead_libcall_p): Update counts.
        (delete_trivially_dead_insns): Update call of dead_libcall_p.

Wed May  8 11:08:50 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * cfglayout.c (function_tail_eff_head): Rename to ...
        (function_footer): ... this one.
        (unlink_insn_chain): New functions.
        (label_for_bb): Only call block_label and emit debug message.
        (record_effective_endpoints): Actually unlink the headers and footers.
        (fixup_reorder_cahin): Re-insert the unlinked sequences.
        (cfg_layout_duplicate_bb): Use duplicate_insn_chain.
        * cfglayout.h (struct reorder_block_def): New fields footer/header;
        remove eff_head/eff_end.
        * rtl.h (set_first_insn): Declare.
        * emit-rtl.c (set_first_insn): New function.

        * cfglayout.c (fixup_reorder_chain): Dump duplicated
        (cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge,
        cfg_layout_duplicate_bb): New global function.
        (duplicate_insn_chain): New static function.
        * cfglayout.h (cfg_layout_can_duplicate_bb_p, cfg_layout_rerirect_edge,
        cfg_layout_duplicate_bb): Declare.
        (struct reorder_block_def): Add "original" field.
        * emit-rtl.c (emit_copy_of_insn_after): New function.
        * rtl.h (emit_copy_of_insn_after): Declare.

        * cfglayout.c (fixup_fallthru_exit_predecessor): Kill.
        (fixup_reorder_chain): properly handle edges to exit block.

Wed May  8 11:10:31 CEST 2002  Zdenek Dvorak  <rakdver@atrey.karlin.mff.cuni.cz>
                               Jan Hubicka  <jh@suse.cz>

        * basic-block.h (note_prediction_to_br_prob): declare.
        * c-semantics.c: Inlucde predit.h
        (expand_stmt): predict GOTO_STMT as not taken.
        * cfgcleanup.c: (delete_unreachable_blocks): Make global.
        (cleanup_cfg): Do not free tail_recursion_list.
        * cfgrtl.c (can_delete_note_p): Delete NOTE_INSN_PREDICTION.
        (flow_delete_block): Kill predictions past end of basic block.
        * output.h (delete_unreachable_blocks): Declare.
        * predict.c (predicted_by_p, process_note_predictions,
        process_note_prediction, last_block_p): New function.
        (estimate_probability): Bypass loop on PRED_CONTINUE;
        do not handle noreturn heuristics; kill PRED_RETURN; add
        PRED_EARLY_RETURN.
        * predict.def (PRED_CONTINUE, PRED_EARLY_RETURN, PRED_GOTO,
        PRED_CONST_RETURN, PRED_NEGATIVE_RETURN, PRED_NULL_RETURN): New.
        * predict.h (IS_TAKEN): New constant.
        * print-rtl.c (print_rtx): Pretty print NOTE_INSN_PREDICTION.
        * rtl.c (NOTE_INSN_PREDICTION): New.
        * rtl.h (NOTE_PREDICTION, NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS):
        New macro.
        (insn_note): add NOTE_INSN_PREDICTION.
        * sibcall.c (optimize_sibling_and_tail_recursive_call): Do not build
        CFG; free tail_recursion_label_list.
        * stmt.c: Include predict.h;
        (return_prediction): New.
        (expand_value_return): Use it.
        * toplev.c: Lower NOTE_INSN_PREDICTION before sibcall.

2002-05-08  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.md: Name the unspecs with define_constant.
        (*HILO_delay): Rename to 'hilo_delay' (no star).
        (reload_indi): Replace gen_rtx_UNSPEC with gen_hilo_delay.
        (reload_outdi, reload_outsi): Likewise.

2002-05-07  Kazu Hirata  <kazu@cs.umass.edu>

        * toplev.c: Fix formatting.

2002-05-07  Janis Johnson  <janis187@us.ibm.com>

        * config.in (ENABLE_RTL_FLAG_CHECKING): New.
        * configure.in (ac_rtlflag_checking): New.
        * doc/install.texi (--enable-checking): Document RTL flag checking.

2002-05-07  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (c_common_init): Set options->unsigned_wchar.
        * cppinit.c (cpp_create_reader): Default unsigned_wchar,
        group target dependencies.
        (init_builtins, cpp_handle_option): Update.
        * cpplex.c (cpp_interpret_charconst): Update.
        * cpplib.h (struct cpp_options): Add unsigned_wchar, rename
        signed_char to unsigned_char, group target dependencies.
        * defaults.h (WCHAR_UNSIGNED): Remove.
        * system.h (WCHAR_UNSIGNED, MAX_CHAR_TYPE_SIZE): Poison.
config:
        * freebsd.h, interix.h, alpha/freebsd.h, arm/freebsd.h,
        i386/386bsd.h, i386/beos-elf.h, i386/bsd386.h, i386/cygwin.h,
        i386/djgpp.h, i386/freebsd-aout.h, i386/i386-interix.h,
        i386/win32.h, ia64/freebsd.h, mips/netbsd.h, rs6000/freebsd.h,
        sh/elf.h, sh/sh.h, sparc/freebsd.h: Remove WCHAR_UNSIGNED.
doc:
        * tm.texi: Remove MAX_CHAR_TYPE_SIZE.

2002-05-07  Mark Mitchell  <mark@codesourcery.com>

        * fixinc/inclhack.def (windiss_math1): New fix.
        (windiss_math2): Likewise.
        (windiss_valist): Likewise.
        * fixinc/fixincl.x: Regenerated.

2002-05-07  Andreas Jaeger  <aj@suse.de>

        * genautomata.c (output_internal_min_issue_delay_func): Add
        ATTRIBUTE_UNUSED to avoid warning with empty dfa.
        (output_internal_trans_func): Likewise.

Tue May  7 10:06:22 2002  Jeffrey A Law  (law@redhat.com)

        * pa.c (hppa_profile_hook): Use force_reg to get the address
        of the profile hook into an appropriate pseudo register.

2002-05-07  Mark Mitchell  <mark@codesourcery.com>

        * config/rs6000/sysv4.h (SUBTARGET_SWITCHES): Add -mwindiss.
        (LINK_START_SPEC): Handle it.
        (LINK_OS_SPEC): Likewise.
        (CPP_SPEC): Likewise.
        (STARTFILE_SPEC): Likewise.
        (LIB_SPEC): Likewise.
        (ENDFILE_SPEC): Likewise.  Do not assume crtsavres.o is used on
        all platforms.
        (CRTSAVRES_DEFAULT_SPEC): New macro.
        (LIB_WINDISS_SPEC): New macro.
        (CPP_OS_WINDISS_SPEC): Likewise.
        (STARTFILE_WINDISS_SPEC): Likewise.
        (ENDFILE_WINDISS_SPEC): Likewise.
        (LINK_START_WINDISS_SPEC): Likewise.
        (LINK_OS_WINDISS_SPEC): Likewise.
        * config/rs6000/windiss.h: New file.

2002-05-07  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (bdesc_2arg): Fix vmax typos.

2002-05-06  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.md (shift insns): Do not mask off
        second operand, 'I' constraint and SHIFT_COUNT_TRUNCATED
        take care of it.

2002-05-06  Richard Henderson  <rth@redhat.com>

        PR c++/6212
        * expr.c (highest_pow2_factor_for_type): New.
        (expand_assignment): Use it.

2002-05-06  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("altivec_mtvscr"): Change to
        unspec_volatile.
        ("altivec_mfvscr"): Same.

2002-05-06  Janis Johnson  <janis187@us.ibm.com>

        * rtl.h (struct rtx_def): Update comments.
        (RTL_FLAG_CHECK[12345678]): New.  (rtl_check_failed_flag): Declare.
        (RTL_FLAG): New.  (CLEAR_RTX_FLAGS): New.  (flag access macros): Use
        RTL_FLAG_CHECK macros with list of expected RTL codes.
        * rtl.c (copy_rtx, shallow_copy_rtx): Use RTX_FLAG macro.
        (rtl_check_failed_flag): New.
        * reload1.c (reload): Use REG macro before changing rtx to MEM.
        (reload_cse_noop_set_p): Check rtx code before using access macro.
        * config/ia64/ia64.c (process_for_unwind_directive): Check rtx code
        before using access macro.

2002-05-06  Janis Johnson  <janis187@us.ibm.com>

        * doc/rtl.texi (Flags): Update to reflect current usage.

2002-05-06  Roger Sayle  <roger@eyesopen.com>

        PR opt/3995
        * fold-const.c (sign_bit_p): New function.
        (fold) [EQ_EXPR]: Use this to convert (A & C) == 0 into A >= 0 and
        (A & C) != 0 into A < 0, when constant C is the sign bit of A's type.
        Reapply fold when converting (A & C) == C into (A & C) != 0.
        (fold_binary_op_with_conditional_arg): Fix typo in comment.

2002-05-07  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (warn_multichar): New.
        (c_common_init): Set CPP's warn_multichar.
        * c-common.h (warn_multichar): New.
        * c-decl.c (warn_multichar): Remove.
        * c-lex.c (lex_charconst): Update.
        * c-tree.h (warn_multichar): Remove.
        * cppexp.c (eval_token): Sign-extend charconst value.
        * cppinit.c (cpp_create_reader): Set warn_multichar.
        * cpplex.c (cpp_interpret_charconst): Don't sign-extend
        each character.  Update prototype.  Sign-extend the result.
        * cpplib.h: Fix conditions.
        (struct cpp_options): Add new warning flag.
        (cpp_interpret_charconst): Update prototype.
doc:
        * cpp.texi: Update documentation.

2002-05-06  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (form_the_same_automaton_unit_lists_from_regexp):
        Fix typo in usage of allof instead of unit.

2002-05-06  Richard Henderson  <rth@redhat.com>

        * recog.c (if_test_bypass_p): Accept multiple set insns for OUT,
        and any jump or call for IN.

2002-05-06  Bernd Schmidt  <bernds@redhat.com>

        * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Define __SSE2_BUILTINS__ if
        -msse2.
        * config/i386/xmmintrin.h: Use it to conditionalize SSE2 support.

2002-05-06  Roger Sayle  <roger@eyesopen.com>

        * fold-const.c (lshift-double): Cast the high word to an unsigned
        HOST_WIDE_INT when extracting sign bit to avoid compiler warning.
        (div_and_round_double): Cast carry to a signed HOST_WIDE_INT to
        avoid compiler warning.  (fold): Remove redundant code from
        BIT_AND_EXPR as integer operands are canonicalized to be arg1.

2002-05-06  Jeff Law  <law@redhat.com>

        * pa-protos.h (hppa_fpstore_bypass_p): Declare.
        * pa.c (pa_adjust_cost): Remove all true dependency cost
        adjustments.  Also remove support for non-DFA scheduling.
        * pa.md (700, 7100, 7100lc, 7200, 7300): Use bypass mechanism
        to adjust true dependency costs.  Update various comments.
        (7100lc, 7200, 7300 scheduling): Simplify by combining the
        FP ALU & MPY units into a single unit.

2002-05-06  Catherine Moore  <clm@redhat.com>

        * config/v850/v850.c (compute_register_save_size): Make sure
        to count all of the registers that will be saved.

Mon May  6 18:03:11 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.c (q_regs_operand): Use ANY_QI_REGS_P.

2002-05-06  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.c (emit_soft_tfmode_libcall): Do not
        allow result to overlap input operands in memory.

2002-05-06  Neil Booth  <neil@daikokuya.demon.co.uk>

doc:
        * cpp.texi: Update multichar charconst docs.

2002-05-06  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpplex.c (cpp_interpret_charconst): Sign-extend each
        character.  Don't ignore excess characters.  Treat
        multicharacter character constants as signed.
        (cpp_parse_escape): Clarify diagnostic.

2002-05-05  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.md (ashlsi3): If shift count is const1_rtx,
        use add instead of shift.
        (ashldi3_sp64): Likewise.
        (ashlsi3_const1, ashldi3_const1): Remove.
        * config/sparc/sparc.h (PREDICATE_CODES): Add const1_operand.
        * config/sparc/sparc.c (const1_operand): New.

2002-05-05  Jason Thorpe  <thorpej@wasabisystems.com>

        * config.gcc (alpha*-*-netbsd*): Don't use crtstuff.

2002-05-05  Jakub Jelinek  <jakub@redhat.com>

        PR target/6561
        * config/sparc/sparc.md (muldi3_v8plus): Handle %1 equal to %2.

2002-05-05  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_adjust_cost): Remove everything but
        memory latency adjustments.
        (alpha_variable_issue): Remove.
        (alpha_use_dfa_pipeline_interface): New.
        (alpha_multipass_dfa_lookahead): New.
        * config/alpha/alpha.md: Remove define_function_unit scheduling;
        include new dfa scheduling.
        (attr type): Add none.
        (blockage): Use it.
        * config/alpha/ev4.md: New.
        * config/alpha/ev5.md: New.
        * config/alpha/ev6.md: New.

2002-05-05  David S. Miller  <davem@redhat.com>

        * recog.c (store_data_bypass_p): Handle CLOBBER inside PARALLEL.

2002-05-05  Kazu Hirata  <kazu@cs.umass.edu>

        * cse.c: Fix formatting.
        * emit-rtl.c: Likewise.

2002-05-05  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (initiate_states): Add additional guard to
        initialize `units_array'.

2002-05-05  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (form_the_same_automaton_unit_lists_from_regexp,
        process_unit_to_form_the_same_automaton_unit_lists,
        form_the_same_automaton_unit_lists
        check_unit_distributions_to_automata): New prototypes and
        functions.
        (check_automata): Rename it into `check_automata_insn_issues'.
        (unit_decl): New fields `the_same_automaton_unit' and
        `the_same_automaton_message_reported_p'.
        (unit_decl_t): New typedef.
        (the_same_automaton_lists): New gloval variable.
        (unit_regexp, unit_set_el, units_array, units_cmp,
        output_get_cpu_unit_code_func): Use the typedef.
        (evaluate_max_reserv_cycles): Increment
        `description->max_insn_reserv_cycles'.
        (initiate_states): Don't increment `max_cycles_num'.
        (transform_insn_regexps): Move code around transformation of
        regexps from `generate'.
        (generate): Remove call of `transform_insn_regexps'.
        (expand_automata): Call `transform_insn_regexps' and
        `check_unit_distributions_to_automata'.  Check errors before
        `generate'.

        * config/sparc/ultra3.md (us3_a0, us3_a1): Move the units into
        automaton `ultrasparc3_1'.

2002-05-05  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (c_common_init): Set up CPP arithmetic.
        * cppinit.c (cpp_create_reader): Default CPP arithmetic to
        something reasonable for the host.
        (sanity_checks): Add checks.
        (cpp_read_main_file): Call sanity_checks() from here...
        (cpp_post_options): ... not here.
        * cpplex.c (cpp_interpret_charconst): Get max_chars right.
        * cpplib.h (struct cpp_options): New member int_precision.

2002-05-05  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * doc/install.texi (powerpc-*-linux-gnu*): Update build requirements.

2002-05-04  David S. Miller  <davem@redhat.com>

        * config/sparc/linux.h, config/sparc/linux64.h
        (HANDLE_PRAGMA_PACK_PUSH_POP): Don't define twice.

        * config/sparc/sparc.c (sparc_rtx_costs): Describe costs of
        more RTX codes.
        * config/sparc/sparc.h (RTX_COSTS_CASES): List those new codes.

        * recog.c (store_data_bypass_p): Handle out_insn being a PARALLEL
        of SETs.

2002-05-05  Tim Josling  <tej@melbpc.org.au>

        * treelang; New directory for new sample language treelang.

2002-05-04  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in (c-lex.o): Update.
        * c-lex.c: Include target.h.
        (cb_register_builtins): New.
        (init_c_lex): Set builtins callback.
        * c-lex.h (cpp_define, cpp_assert): New prototypes.
        * cppinit.c (init_builtins): Use callback, including for
        GXX_WEAK.
        * cpplib.h (struct cpp_callbacks): New member.
        * target-def.h (TARGET_REGISTER_CPP_BUILTINS): New.
        (TARGET_INITIALIZER): Update.
        * target.h (struct gcc_target): New hook.
        * tree.c (default_register_cpp_builtins): New.
        * tree.h (default_register_cpp_builtins): New.
doc:
        * tm.texi (TARGET_REGISTER_CPP_BUILTINS): Document.

2002-05-04  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppinit.c (MAX_WCHAR_TYPE_SIZE): Move to cpplib.h
        (cpp_post_options): Move sanity checks to...
        (sanity_checks): New.
        * cpplex.c (maybe_read_ucs): Fix prototype.
        (parse_string, cpp_parse_escape): Cast for %c format specifier.
        * cpplib.h (cppchar_t): Use unsigned long or unsigned long long
        if necessary.

2002-05-04  Bernd Schmidt  <bernds@redhat.com>

        * config/i386/i386.c (bdesc_2arg): Add a couple of missing SSE2
        builtins.  Use V2DI patterns instead of TI for logical operations.
        (ix86_init_mmx_sse_builtins): Add a couple of missing SSE2 builtins.
        Correct definitions of psadbw, pmovmskb128, movntdq, cvtdq2ps.
        (ix86_expand_builtins): Change the pattern used for movntdq.
        * config/i386/i386.md (sse2_andv2di3, sse2_iorv2di3, sse2_xorv2di3,
        sse2_nandv2di3): New patterns.
        (sse2_anddf3, sse2_nanddf3, sse2_iordf3, sse2_xordf3): Correct modes
        on operands.
        (sse2_movntv2di): Renamed from sse2_movntti and modes adjusted.
        (cvtdq2pd): Correct mode on operand 1.
        (sse2_umulsidi3): Describe without unspec.
        (sse2_psadbw, mmx_psadbw): Describe with unspec; use more appropriate
        machine modes.
        (lshrv2di3): Renamed from sse2_lshrv2di3 and removed unspec.
        (ashlv2di3): Likewise, from sse2_ashlv2di3.
        (ashrv8hi3, ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3,
        ashlv4si3, ashlv2di3): Use SImode for shift count.
        (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti, lshrv2di3_ti,
        lshrv4si3_ti, lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti):
        New patterns.
        * config/i386/xmmintrin.h (__v2df, __v2di, __v4si, __v8hi, __v16qi):
        New typedefs.
        (__m128i, __m128d): New macros.
        (_mm_add_pd, _mm_add_sd, _mm_sub_pd, _mm_sub_sd, _mm_mul_pd,
        _mm_mul_sd, _mm_div_pd, _mm_div_sd, _mm_sqrt_pd, _mm_sqrt_sd,
        _mm_min_pd, _mm_min_sd, _mm_max_sd, _mm_max_pd, _mm_and_pd,
        _mm_andnot_pd, _mm_xor_pd, _mm_or_pd, _mm_cmpeq_pd, _mm_cmplt_pd,
        _mm_cmple_pd, _mm_cmpgt_pd, _mm_cmpge_pd, _mm_cmpneq_pd,
        _mm_cmpnlt_pd, _mm_cmpnle_pd, _mm_cmpngt_pd, _mm_cmpnge_pd,
        _mm_cmpord_pd, _mm_cmpunord_pd, _mm_cmpeq_sd, _mm_cmplt_sd,
        _mm_cmple_sd, _mm_cmpgt_sd, _mm_cmpge_sd, _mm_cmpneq_sd,
        _mm_cmpnlt_sd, _mm_cmpnle_sd, _mm_cmpngt_sd, _mm_cmpnge_sd,
        _mm_cmpord_sd, _mm_cmpunord_sd, _mm_comieq_sd, _mm_comilt_sd,
        _mm_comile_sd, _mm_comigt_sd, _mm_comige_sd, _mm_comineq_sd,
        _mm_ucomieq_sd, _mm_ucomieq_sd, _mm_ucomilt_sd, _mm_ucomile_sd,
        _mm_ucomigt_sd, _mm_ucomige_sd, _mm_ucomineq_sd, _mm_cvtepi32_pd,
        _mm_cvtepi32_ps, _mm_cvtpd_epi32, _mm_cvtpd_pi32, _mm_cvtpd_ps,
        _mm_cvttpd_epi32, _mm_cvttpd_pi32, _mm_cvtpi32_pd, _mm_cvtps_epi32,
        _mm_cvttps_epi32, _mm_cvtps_pd, _mm_cvtsd_si32, _mm_cvttsd_si32,
        _mm_cvtsd_ss, _mm_cvtsi32_sd, _mm_cvtss_sd, _mm_unpackhi_pd,
        _mm_unpacklo_pd, _mm_loadh_pd, _mm_storeh_pd, _mm_storel_pd,
        _mm_movemask_pd, _mm_packs_epi16, _mm_packs_epi32, _mm_packus_epi16,
        _mm_unpackhi_epi8, _mm_unpackhi_epi16, _mm_unpackhi_epi32,
        _mm_unpacklo_epi8, _mm_unpacklo_epi16, _mm_unpacklo_epi32,
        _mm_add_epi8, _mm_add_epi16, _mm_add_epi32, _mm_add_epi64,
        _mm_adds_epi8, _mm_adds_epi16, _mm_adds_epu8, _mm_adds_epu16,
        _mm_sub_epi8, _mm_sub_epi16, _mm_sub_epi32, _mm_sub_epi64,
        _mm_subs_epi8, _mm_subs_epi16, _mm_subs_epu8, _mm_subs_epu16,
        _mm_madd_epi16, _mm_mulhi_epi16, _mm_mullo_epi16, _mm_mul_pu16,
        _mm_mul_epu16, _mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64,
        _mm_sra_epi16, _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32,
        _mm_srl_epi64, _mm_slli_epi16, _mm_slli_epi32, _mm_slli_epi64,
        _mm_srai_epi16, _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
        _mm_srli_epi64, _mm_and_si128, _mm_andnot_si128, _mm_or_si128,
        _mm_xor_si128, _mm_cmpeq_epi8, _mm_cmpeq_epi16, _mm_cmpeq_epi32,
        _mm_cmpgt_epi8, _mm_cmpgt_epi16, _mm_cmpgt_epi32, _mm_max_epi16,
        _mm_max_epu8, _mm_min_epi16, _mm_min_epu8, _mm_movemask_epi8,
        _mm_mulhi_epu16, _mm_maskmoveu_si128, _mm_avg_epu8, _mm_avg_epu16,
        _mm_sad_epu8, _mm_stream_si32, _mm_stream_si128, _mm_stream_pd,
        _mm_movpi64_epi64, _mm_clflush, _mm_lfence, _mm_mfence): New
        functions.
        (_mm_shufflehi_epi16, _mm_shufflelo_epi16, _mm_shuffle_epi32,
        _mm_extract_epi16, _mm_insert_epi16, _mm_shuffle_pd): New macros.

2002-05-04  Kazu Hirata  <kazu@cs.umass.edu>

        * dwarf2out.c: Fix formatting.
        * varasm.c: Likewise.

2002-05-04  David Edelsohn  <edelsohn@gnu.org>

        PR c/6543
        * config/rs6000/rs6000.md (sCC pattern and splitter): Remove
        clobber and use result as temporary value.

Sat May  4 13:20:54 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * expr.c (force_operand): Use expand_simple_* to handle more
        cases.

2002-05-04  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-lex.c (lex_string): Let cpp_parse_escape handles truncation
        and sign-extension.
        (lex_charconst): Update for change in prototype of
        cpp_interpret_charconst.  Extend from cppchar_t to HOST_WIDE_INT
        appropriately.
        * cpphash.h (BITS_PER_CPPCHAR_T): New.
        * cppinit.c (cpp_create_reader): Initialize them for no
        change in semantics.
        (cpp_post_options): Add sanity checks.
        * cpplex.c (cpp_parse_escape): Handle precision, sign-extension
        and truncation issues.  Calculate in type cppchar_t.
        (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Remove.
        (cpp_interpret_charconst): Calculate in type cppchar_t.  Handle
        run-time dependent precision correctly.  Return whether the
        result is signed or not.
        * cpplib.c (dequote_string): Use cppchar_t; update.
        * cpplib.h (cppchar_signed_t): New.
        struct cpp_options): New precision members.
        (cpp_interpret_charconst, cpp_parse_escape): Update prototypes.
        * cppexp.c (eval_token): Update.

2002-05-03  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc-protos.h (sparc_rtx_costs): New.
        * config/sparc/sparc.c (sparc_rtx_costs): New function
        implementing RTX_COSTS and CONST_COSTS.
        * config/sparc/sparc.h (CONST_COSTS): Delete.
        (RTX_COSTS_CASES): Define.
        (RTX_COSTS): Expand RTX_COSTS_CASES and use sparc_rtx_costs to do
        the work.

        * config/sparc/sparc.md (DFA schedulers): Split out...
        * config/sparc/cypress.md, config/sparc/hypersparc.md,
        config/sparc/sparclet.md, config/sparc/supersparc.md,
        config/sparc/ultra1_2.md, config/sparc/ultra3.md: ... into here.

        * config/sparc/sparc.c (LEAF_REGISTERS): Do not do ifdef
        checks on it, always defined for Sparc.

        * config/sparc/sparc.h (REG_ALLOC_ORDER, REG_LEAF_ALLOC_ORDER):
        Tweak, and add more detailed comments.

2002-05-03  Zack Weinberg  <zack@codesourcery.com>

        * Re-apply patch accidentally reverted with
        DFA scheduler merge: remove all rules and variables to slurp
        source files out of libiberty and rebuild them with HOST_CC.
        ($(HOST_PREFIX_1)varray.o): New rule.
        (genattrtab rule): Word wrap.

2002-05-03  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/i386/netbsd64.h (CPP_LP64_SPEC): Define.
        (CPP_SUBTARGET_SPEC): Define.
        (SUBTARGET_EXTRA_SPECS): Redefine, adding cpp_lp64 and
        cpp_subtarget specs.
        (CPP_SPEC): Redefine to include %(cpp_subtarget).

2002-05-03  David S. Miller  <davem@redhat.com>

        * target-defs.h (TARGET_SCHED_CYCLE_DISPLAY): Delete.
        * target.h (struct gcc_target): Delete cycle_display member.

        * config/ia64/ia64.c (ia64_emit_insn_before): Put it back.
        (rtx_needs_barrier): Delete reference to cycle_display unspec.
        (ia64_sched_reorder2): Mention need for cycle display handling
        once such notes exist.

2002-05-03  Richard Henderson  <rth@redhat.com>

        * real.c (etoasc): Strip most trailing zeros for clarity.
        * sched-vis.c: Include real.h.
        (print_value): Use REAL_VALUE_TO_DECIMAL as needed.
        * Makefile.in (sched-vis.o): Add real.h.

2002-05-03  David S. Miller  <davem@redhat.com>

        * haifa-sched.c (rank_for_schedule): Revert 2002-05-02 change,
        no longer needed.

2002-05-03  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (altivec_expand_binop_builtin): Error out
        when we get an out of range literal.
        (altivec_expand_ternop_builtin): Same.
        (altivec_expand_unop_builtin): Same.
        (altivec_expand_builtin): Same, for dss.
        (altivec_expand_builtin): Use trees instead of rtl when
        determining literal argument validity.

2002-05-03  David S. Miller  <davem@redhat.com>

        Delete cycle display scheduling hook.
        * config/ia64/ia64.c (ia64_cycle_display,
        TARGET_SCHED_CYCLE_DISPLAY, ia64_emit_insn_before): Delete.
        (ia64_sched_reorder2): Don't check for CODE_FOR_cycle_display
        and use emit_insn_before instead of ia64_emit_insn_before.
        * config/ia64/ia64.md (unspec usage): Delete cycle display.
        (cycle_display): Delete insn pattern.
        * config/sparc/sparc.md (unspec usage): Delete cycle display.
        (cycle_display): Delete insn pattern.
        * config/sparc/sparc.c (sparc_cycle_display,
        TARGET_SCHED_CYCLE_DISPLAY): Delete.
        * doc/md.texi (cycle_display): Don't mention.
        * doc/tm.texi (TARGET_SCHED_CYCLE_DISPLAY): Likewise.

2002-05-03  Richard Henderson  <rth@redhat.com>

        * recog.c (store_data_bypass_p, if_test_bypass_p): New.
        * recog.h: Declare them.

        * config/sparc/sparc.c (ultrasparc_store_bypass_p): Remove.
        * config/sparc/sparc.md: Use store_data_bypass_p instead.
        * config/sparc/sparc-protos.h: Update.

2002-05-03  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/sparc/netbsd-elf.c (CPP_SUBTARGET_SPEC64): Remove
        -D__arch64__.  Add -D_LP64.
        (CPP_ARCH32_SPEC): Redefine to match the non-bi-arch version
        from sparc.h.
        (CPP_ARCH64_SPEC): Likewise.
        (NO_BUILTIN_PTRDIFF_TYPE): Undef.
        (NO_BUILTIN_SIZE_TYPE): Undef.

2002-05-03  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (min_issue_delay_pass_states): Change return type
        in the prototype.
        (min_issue_delay_pass_states): Change the algorithm.
        (min_issue_delay): Set up min_insn_issue_delay for the state.
        (output_min_issue_delay_table): Interchange the nested loops and
        and initiate min_insn_issue_delay for states.

Fri May  3 22:59:15 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (try_optimize_cfg):  Call merge_block only when
        jump is simplejump.

Fri May  3 22:53:37 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.c  (expand_movstr, expand_clrstr): Fix inline-all-stringops
        sequence.

2002-05-03  Richard Henderson  <rth@redhat.com>

        PR opt/6534
        * ifcvt.c (noce_try_store_flag, noce_try_store_flag_constants,
        noce_try_store_flag_inc, noce_try_store_flag_mask, noce_try_cmove,
        noce_try_cmove_arith, noce_try_minmax, noce_try_abs): Insert new
        code before JUMP, not EARLIEST.

2002-05-03  Joseph S. Myers  <jsm28@cam.ac.uk>

        * c-format.c (check_format_info_main): Don't check for presence of
        parameter for * width until after operand number has been read,
        and only check for it if format parameters are available.
        Fixes PR c/6547.

2002-05-03  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/alpha/netbsd.h (CPP_PREDEFINES): Add -D_LP64.
        (LINK_SPEC): Undef before defining.

2002-05-03  Jakub Jelinek  <jakub@redhat.com>

        PR preprocessor/6489
        * tradcpp.c (fixup_newlines): New.
        (main, finclude): Use it.

2002-05-03  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/elf64.h (UNIQUE_SECTION): Use mips_unique_section.
        * config/mips/mips.c (mips_unique_section): Strip encoding from
        decl name.

2002-05-03  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_expand_int_movcc): Truncate to proper
        mode.

2002-05-03  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * doc/install.texi (Installing): Mention GCC 3.1 buildstats.
        (Specific): Removed buildstats references.
        (Specific, hppa*-hp-hpux11): Adjust for GCC versions > 3.0.
        (Specific, sparc-sun-solaris2*): Update 64-bit hints for GCC 3.1.
        Accomodate Solaris versions beyond 8.
        (Specific, sparc-sun-solaris2.7): Update as path for GCC 3.1.
        (Specific, *-*-solaris2.8): Removed, obsolete.

2002-05-03  Jakub Jelinek  <jakub@redhat.com>

        PR target/6542
        * config/sparc/sparc.h (leaf_reg_remap): Remove const.
        (CONDITIONAL_REGISTER_USAGE): For TARGET_FLAT make
        fill leaf_reg_remap with identity.
        * config/sparc/sparc.c (leaf_reg_remap): Remove const.

2002-05-03  Kazu Hirata  <kazu@cs.umass.edu>

        * config/h8300/crti.asm: Remove trailing spaces.
        * config/h8300/h8300.c: Likewise.
        * config/h8300/lib1funcs.asm: Likewise.

2002-05-02  Jason Merrill  <jason@redhat.com>

        * defaults.h (BOOL_TYPE_SIZE): Move default here from cp/decl.c.
        * c-decl.c (c_init_decl_processing): Use it.
        * config/rs6000/darwin.h (BOOL_TYPE_SIZE): Define to INT_TYPE_SIZE.
        * config/i960/i960.h (BOOL_TYPE_SIZE): Don't define.
        * config/mcore/mcore.h (BOOL_TYPE_SIZE): Don't define.

2002-05-03  Kazu Hirata  <kazu@cs.umass.edu>

        * regrename.c: Fix formatting.
        * tree.c: Likewise.

Fri May  3 13:34:43 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (attribute memory): Handle compares properly.

Fri May  3 10:51:38 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (sse_clrsf, sse_clrsi): Set memory attribute
        to none.

2002-05-02  Kazu Hirata  <kazu@cs.umass.edu>

        * function.c: Fix formatting.

2002-05-02  Jan Hubicka  <jh@suse.cz>

        * haifa-sched.c (schedule_insn): Print table of instructions and
        reservations.
        (sched_block): Do not print ready list at verbosity level 1.
        * sched-vis.c (print_insn): Make global.
        * sched-ebb.c (ebb_print_insn): Rename from...
        (print_insn): ... this one.
        * sched-int.h (print_insn): Declare

2002-05-02  Richard Henderson  <rth@redhat.com>

        * haifa-sched.c (rank_for_schedule): Skip past last_scheduled_insn
        emitted by cycle_display.

2002-05-02  Loren J. Rittle  <ljrittle@acm.org>

        * doc/install.texi (*-*-freebsd*): Update to latest status.

2002-05-02  Jakub Jelinek  <jakub@redhat.com>

        PR target/6540
        * config.gcc (sparc*-*-solaris2*): Set float_format to i128.
        * config/float-sparc.h: Assume 128-bit long double if
        __LONG_DOUBLE_128__ is defined.

2002-05-02  Vladimir Makarov  <vmakarov@redhat.com>

        * genattrtab.c (write_function_unit_info): Add a dummy element
        when num_units == 0.

2002-05-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>

        * predict.c: (propagate_freq, estimate_bb_frequencies): Use
        TYPE_MODE (double_type_node) instead of DFmode.

Thu May  2 19:50:04 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (try_redirect_by_replacing_jump): Do not kill computed
        jumps post reload.
        * toplev.c (rest_of_compilation): Revert Richard's patch.

2001-05-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa/x-ada (ADA_CFLAGS): Rename to X_ADA_CFLAGS.

2002-05-02  Catherine Moore  <clm@redhat.com>

        * config/v850/v850.h (TRAMPOLINE_TEMPLATE): Change r5 to r20.

2002-05-02  Kazu Hirata  <kazu@hxi.com>

        * combine.c: Fix comment typos.
        * expr.c: Likewise.
        * genautomata.c: Likewise.
        * stmt.c: Likewise.
        * tree.h: Likewise.

2002-05-02  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/install.texi: State GNAT version requirements.

2002-05-02  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Accept any form
        of the frame pointer or arg pointer register which strict register
        checking is not enabled.

2002-05-02  Aldy Hernandez  <aldyh@redhat.com>

        * gcc.dg/altivec-8.c: New.

        * config/rs6000/rs6000.c (rs6000_legitimate_address): Disallow
        PRE_INC and PRE_DEC for altivec modes.

2002-05-01  Bruce Korb  <bkorb@gnu.org>

        * fixinc/check.tpl(set-writable): make sure the function exists first
        * fixinc/inclhack.def(alpha_assert): fix test_text
        * fixinc/tests/base/assert.h: add in missing result

2002-05-01  Jeff Law  <law@redhat.com>

        * pa.h (EXTRA_CONSTRAINT): Don't accept PIC addresses for the
        'T' constraint.

2002-05-01  Joel Brobecker  <brobecker@gnat.com>

        * dbxout.c (dbxout_type): Emit size information for range types,
        as well, but only when using GDB extensions.

2002-05-01  Richard Henderson  <rth@redhat.com>

        * configure.in (HAVE_GAS_HIDDEN): Replace SPARC feature test with
        target-independent gnu binutils date test.

2002-05-01  Richard Henderson  <rth@redhat.com>

        * cfgcleanup.c (merge_blocks_move_successor_nojumps): Emit dump
        info before expunging the block.

2002-05-01  Jakub Jelinek  <jakub@redhat.com>

        * cppinit.c (cpp_handle_option) [-dM]: Don't set no_output here...
        (cpp_post_options): ...but here.  Disable -dD, -dN and -dI when
        -M -or -MM is in effect.

2002-05-01  Zack Weinberg  <zack@codesourcery.com>

        * config.gcc: Correct test of --enable-obsolete.  Obsolete all
        A29k configurations.
        * doc/install.texi: Update to match.

2002-05-01  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        PR bootstrap/6514
        * varasm.c (globalize_decl): Compare DECL_ASSEMBLER_NAME to check
        for duplicates. Always loop over whole list.

Wed May  1 10:32:37 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * reload.c (find_reloads, case 'p'): Set BADOP to 0.

2002-05-01      Joel Sherrill <joel@OARcorp.com>

        * config/sparc/t-elf (sparc-rtems, sparc-elf): Build assembly
        support routines.

2002-05-01      Joel Sherrill <joel@OARcorp.com>

        * config/arm/rtems-elf.h: Add #undef TARGET_VERSION to prevent warning.

2002-05-01  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.md (abssi2_nopower): Convert to define_insn_and_split.
        (nabs_nopower): Same.
        (floatdisf2): New pattern.
        (absdi2): Convert to define_insn_and_split.
        (nabsdi2): Same.
        (trunctfsf2): Same.
        (floatditf2): Same.
        (floatsitf2): Same.
        (fix_trunctfdi2): Same.
        (fix_trunctfsi2): Same.

2002-05-01  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/install.texi: Update Texinfo version requirement
        documentation.

2002-05-01  Jakub Jelinek  <jakub@redhat.com>

        PR target/6512, PR target/5628
        * config/sparc/sparc.md (movdf_insn_v9only_novis): Don't allow >= %f32
        when memory is not aligned.
        (movdf_insn_v9only_vis): Likewise.
        * config/sparc/sparc.h (SECONDARY_INPUT_RELOAD_CLASS): Request a FP_REGS
        temporary for EXTRA_FP_REGS DFmode load from unaligned memory.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Similarly.

2002-05-01  Aldy Hernandez  <aldyh@redhat.com>

        * gcc.dg/altivec-7.c: New.

        * config/rs6000/altivec.h: Cleanup.

2002-04-30  Aldy Hernandez  <aldyh@redhat.com>

        * doc/invoke.texi (Option Summary): Add -mvrsave=.
        (RS/6000 and PowerPC Options): Document -mvrsave=.

        * config/rs6000/rs6000.c (rs6000_altivec_vrsave): New global.
        (rs6000_altivec_vrsave_string): Same.
        (rs6000_override_options): Call rs6000_parse_vrsave_option.
        (rs6000_parse_vrsave_option): New.
        (rs6000_stack_info): Only generate vrsave instructions when
        TARGET_ALTIVEC_VRSAVE.

        * config/rs6000/rs6000.h (TARGET_OPTIONS): Add -mvrsave= option.
        (rs6000_altivec_vrsave_string): Define extern.
        (rs6000_altivec_vrsave): Same.
        (TARGET_ALTIVEC_VRSAVE): New.

2002-04-30  Richard Henderson  <rth@redhat.com>

        PR opt/6516
        * toplev.c (rest_of_compilation): Don't run cross-jump before
        bb-reorder.

2002-04-30  Tom Rix  <trix@redhat.com>

        * regrename.c (build_def_use, copyprop_hardreg_forward_1): Sanity
        check which_alternative.

2002-04-30  Kazu Hirata  <kazu@hxi.com>

        * cpplex.c: Fix comment formatting.
        * function.c: Likewise.
        * integrate.c: Likewise.
        * regrename.c: Likewise.
        * sibcall.c: Likewise.
        * simplify-rtx.c: Likewise.
        * tree-inline.c: Likewise.

2002-04-30  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * config.gcc (hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-rtems*,
        hppa1.0-*-osf*, hppa1.1-*-bsd*, hppa1.1-*-hpux10*, hppa2*-*-hpux10*,
        hppa1.0-*-hpux10*, hppa*64*-*-hpux11*, hppa1.1-*-hpux11*,
        hppa2*-*-hpux11*, hppa1.0-*-hpux11*, hppa*-*-lites*): Define xmake_file.
        * pa/t-linux, pa/t-pa, pa/t-pa64, t-pro (T_ADAFLAGS): Delete.
        * pa/x-ada: New file.  Define ADA_CFLAGS.

2002-04-30  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.h (MMIX_LAST_STACK_REGISTER_REGNUM): Renamed
        from MMIX_LAST_REGISTER_FILE_REGNUM.
        (NO_IMPLICIT_EXTERN_C): Remove cryptic obsolete comment.
        (struct machine_function): New member highest_saved_stack_register
        previously static variable in mmix.c.
        (MACHINE_DEPENDENT_REORG): Define.
        * config/mmix/mmix.c (highest_saved_stack_register): Deleted.
        (MMIX_OUTPUT_REGNO): New.
        (mmix_target_asm_function_prologue): Move calculation of last used
        saved-stack-register into...
        (mmix_machine_dependent_reorg): New function.  Update to also handle
        !TARGET_ABI_GNU.
        (mmix_print_operand): Apply MMIX_OUTPUT_REGNO when emitting
        register names, simplify somewhat by new variable regno.
        <case 'p'>: Remove fixed FIXME.  Always emit highest used saved
        register.
        (mmix_print_operand_address): Apply MMIX_OUTPUT_REGNO when
        emitting register names.
        (mmix_asm_output_reg_push, mmix_asm_output_reg_pop): Ditto.
        (mmix_dbx_register_number): Apply MMIX_OUTPUT_REGNO here too.
        Remove fixed FIXME.
        * config/mmix/mmix-protos.h (mmix_machine_dependent_reorg):
        Declare.

        * config/mmix/mmix.md ("divmoddi4"): Update head comment.

2002-04-30  Richard Henderson  <rth@redhat.com>

        * config/sparc/sparc.c (emit_soft_tfmode_libcall,
        emit_soft_tfmode_binop, emit_soft_tfmode_unop, emit_soft_tfmode_cvt,
        emit_hard_tfmode_operation, emit_tfmode_binop, emit_tfmode_unop,
        emit_tfmode_cvt): New.
        * config/sparc/sparc.md (extendsftf2, extenddftf2, trunctfsf2,
        trunctfdf2, floatsitf2, floatunssitf2, floatditf2, floatunsditf2,
        fix_trunctfsi2, fixuns_trunctfsi2, fix_trunctfdi2, fixuns_trunctfdi2,
        addtf3, subtf3, multf3, divtf3, sqrttf2): Use them.
        * config/sparc/sparc-protos.h: Update.

2002-04-30  Janis Johnson  <janis187@us.ibm.com>

        * install.texi (Final install): Add to the list of info to include
        in a report of a successful bootstrap, and add link to 3.1 list.

Tue Apr 30 19:15:36 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (type): Add new SSE/MMX subtypes, remove usused fop1.
        (mode): Add vector modes
        (i387): Kill attribute.
        (unit): New attribute.
        (length_immediate): Grok new types.
        (prefix_data16, prefix_rep, prefix_0f): Fix for SSE/MMX.
        (modrm): Use "unit".
        (memory): Handle MMX/SSE properly.
        (scheduling descriptions): Kill uses of fop1.
        (sse, mmx, fp patterns): Set type and mode properly.

Tue Apr 30 09:31:59 2002  Jeffrey A Law  (law@redhat.com)

        * pa.c (override_options): Default to PA8000 scheduling.
        * doc/invoke.texi (HP-PA options): Mention newly added 7300
        scheduling parameter.

        * pa.md (7100lc, 7200, 7300 scheduling): Slightly refine
        handling of double precision multiplies.

        * pa.md (7100lc, 7200, 7300 scheduling): Refine handling of
        fpdiv and fpsqrt instructions.
        (7200 & 7300 scheduling): Fix typo in handling of
        store-load and store-store penalties.

2002-04-30  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi (Contributors): Use MIPS instead of Mips and
        mips.  Add two missing commas.

2002-04-30  Paolo Carlini  <pcarlini@unitus.it>

        * doc/contrib.texi (Contributors): Update Paolo Carlini's
        and Benjamin Kosnik's entries.

2002-04-29  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.h (BRANCH_COST, PREFETCH_BLOCK,
        SIMULTANEOUS_PREFETCHES): Tune for UltraSPARC-III.
        * config/sparc/sparc.md (call + jmp 32-bit peepholes): Likewise.
        * config/sparc/sparc.c (sparc_initialize_trampoline): Likewise.

2002-04-29  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * combine.c (find_split_point): Use gen_int_mode.

2002-04-29  Vladimir Makarov  <vmakarov@redhat.com>

        Merging code from dfa-branch:

        2002-04-24  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (output_reserv_sets): Fix typo.

        2002-04-23  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (output_reserv_sets): Remove
        next_cycle_output_flag.

        Thu Apr 18 08:57:06 2002  Jeffrey A Law  (law@redhat.com)

        * sched-rgn.c (init_ready_list): Make the DFA code handle
        USE/CLOBBER insns in the same way as the traditional
        scheduler.
        (new_ready): Similarly..

        2002-04-17  Vladimir Makarov  <vmakarov@redhat.com>

        * haifa-sched.c (schedule_block): Change the DFA state only after
        issuing insn.

        Wed Apr 17 15:38:36 2002  Jeffrey A Law  (law@redhat.com)

        * pa.c (hppa_use_dfa_pipeline_interface): New function.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE): Define.
        (override_options): Add PA7300 scheduling support.
        (pa_adjust_cost): Update various comments.  Properly
        handle anti and output dependencies when using the
        DFA scheduler.
        (pa_issue_rate): Add PA7300 scheduling support.
        (pa_can_combine_p): Call extract_insn before calling
        constrain_operands (taken from mainline tree).
        * pa.h (enum processor_type): Add PROCESSOR_PA7300.
        * pa.md (cpu attr): Add 7300.  Rewrite pipeline
        descriptions using DFA descriptions.  Add PA7300
        scheduling support.

        2002-03-30  David S. Miller  <davem@redhat.com>

        Add UltraSPARC-III DFA scheduling support.
        * config/sparc/sparc.md (define_attr type): Add fpcrmove.
        Update FP conditional move on register insn patterns to use it, as
        appropriate.
        (define_attr cpu): Add ultrasparc3.
        (define_attr us3load_type): New, update integer load patterns to
        set it, as appropriate.
        (define_automaton): Add ultrasparc3_0 and ultrasparc3_1.
        (rest): Add UltraSPARC3 scheduling description.
        * config/sparc/sparc.h (TARGET_CPU_ultrasparc3): New.
        (PROCESSOR_ULTRASPARC3): New.
        ({ASM,CPP}_CPU64_DEFAULT_SPEC): Handle ultrasparc3.
        ({ASM,CPP}_CPU_SPEC): Likewise.
        (REGISTER_MOVE_COST): Likewise.
        (RTX_COSTS): Likewise.
        * config/sparc/sparc.c (sparc_override_options,
        sparc_initialize_trampoline, sparc64_initialize_trampoline,
        sparc_use_dfa_pipeline_interface, sparc_use_sched_lookahead,
        sparc_issue_rate): Likewise.
        * config/sparc/sol2.h: Likewise.
        * config/sparc/sol2-sld-64.h: Likewise.
        * config/sparc/linux64.h: Likewise.

        2002-03-22  Vladimir Makarov  <vmakarov@redhat.com>

        * doc/md.texi: Add comments about usage the latency time for the
        different dependencies and about case when two or more conditions
        in different define_insn_reservations returns TRUE for an insn.

        * doc/md.texi: Add reference for automaton based pipeline
        description.

        2002-03-04  Vladimir Makarov  <vmakarov@redhat.com>

        * doc/passes.texi: Add missed information about genattrtab.

        2002-03-01  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (output_automata_list_transition_code): Check
        automata_list on NULL.

        2002-02-28  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (output_insn_code_cases,
        output_automata_list_min_issue_delay_code,
        output_automata_list_transition_code,
        output_automata_list_state_alts_code): Comment the functions.

        2002-02-22  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (automata_list_el_t): New typedef.
        (get_free_automata_list_el,free_automata_list_el,
        free_automata_list, automata_list_hash, automata_list_eq_p,
        initiate_automata_lists, automata_list_start, automata_list_add,
        automata_list_finish, finish_automata_lists,
        output_insn_code_cases, output_automata_list_min_issue_delay_code,
        output_automata_list_transition_code,
        output_automata_list_state_alts_code, add_automaton_state,
        form_important_insn_automata_lists): New functions and prototypes.
        (insn_reserv_decl): Add members important_automata_list and
        processed_p.
        (ainsn): Add members important_p.
        (automata_list_el): New structure.
        (first_free_automata_list_el, current_automata_list,
        automata_list_table): New global variables.
        (create_ainsns): Initiate member important_p.
        (output_internal_min_issue_delay_func): Generate the switch and
        call output_insn_code_cases.
        (output_internal_trans_func, output_internal_state_alts_func):
        Ditto.
        (generate): Call initiate_automata_lists.
        (automaton_states): New global variable.
        (expand_automata): Call form_important_insn_automata_lists.
        (write_automata): Call finish_automata_lists.

        2002-02-21  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (add_excls, add_presence_absence): Check that
        cpu units in the sets belong the same automaton.

        * rtl.def (EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET): Add comment
        about that cpu units in the sets belong the same automaton.

        * doc/md.texi: Ditto.

        2001-12-20  Naveen Sharma  <naveens@noida.hcltech.com>
                    Nitin Gupta  <niting@noida.hcltech.com>

        * config/sh/sh.c (sh_use_dfa_interface): New function.

        (sh_issue_rate): New Function.
        TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE: define.
        TARGET_SCHED_ISSUE_RATE: define.

        * config/sh/sh.md: Add DFA based pipeline description for SH4.

        (define_attr insn_class): New attribute used for DFA
         scheduling.
        (define_insn cmpgtsi_t): Set attribute insn_class mt_group.
        (cmpgesi_t,cmpgtusi_t,cmpgeusi_t,cmpeqsi_t,
         cmpeqdi_t): Likewise.

        (add,addc1,addsi3,subc,subc1,*subsi3_internal,
         negc,negsi2,ashldi3_k,lshrdi3_k,ashrdi3_k): Set insn_class
         ex_group.
        (iorsi3,rotlsi3_1,rotlsi3_31,rotlsi3_16): Likewise.

        2001-10-03  Vladimir Makarov  <vmakarov@toke.toronto.redhat.com>

        * haifa-sched.c (queue_to_ready): Remove unnecessary condition for
        break.

        2001-10-03  Vladimir Makarov  <vmakarov@toke.toronto.redhat.com>

        * genautomata.c (DFA_INSN_CODES_LENGTH_VARIABLE_NAME): New macro.
        (output_dfa_insn_code_func): Expand dfa_insn_codes if it is
        necessary.
        (output_dfa_start_func): Initiate new variable insn_codes_length,
        (write_automata): Output definition of the new variable.

        2001-10-02  David S. Miller  <davem@redhat.com>

        * haifa-sched.c (advance_one_cycle): New function.
        (schedule_block): Use it.
        (queue_to_ready): Use it, and also make sure to advance the DFA
        state on all stall cycles, not just those where insn_queue links
        are found.

        2001-10-02  Richard Sandiford  <rsandifo@redhat.com>

        * haifa-sched.c (max_issue): Remove last_p argument.  Only return
        non-zero if the highest-priority instruction could be scheduled.
        (choose_ready): Remove last argument from max_issue call.

        2001-09-28  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.c (sparc_use_sched_lookahead): Use 4 for
        ultrasparc and 3 for other multi-issue sparcs.

        2001-09-27  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.md (cycle_display): New pattern.
        * config/sparc/sparc.c (sparc_cycle_display): New.
        (TARGET_SCHED_CYCLE_DISPLAY): Set it.

        2001-09-25  David S. Miller  <davem@redhat.com>

        Convert all of Sparc scheduling to DFA
        * config/sparc/sparc.md: Kill all define_function_unit
        directives and replace with DFA equivalent.
        * config/sparc/sparc.c (ultrasparc_adjust_cost,
        mark_ultrasparc_pipeline_state, ultra_cmove_results_ready_p,
        ultra_fpmode_conflict_exists, ultra_find_type,
        ultra_build_types_avail, ultra_flush_pipeline,
        ultra_rescan_pipeline_state, ultrasparc_sched_reorder,
        ultrasparc_variable_issue, ultrasparc_sched_init,
        sparc_variable_issue, sparc_sched_reorder, ultra_code_from_mask,
        ultra_schedule_insn, ultra_code_names, ultra_pipe_hist,
        ultra_cur_hist, ultra_cycles_elapsed): Kill.
        (sparc_use_dfa_pipeline_interface, sparc_use_sched_lookahead,
        ultrasparc_store_bypass_p): New.
        * config/sparc/sparc-protos.h (ultrasparc_store_bypass_p):
        Declare.

        2001-09-24  David S. Miller  <davem@redhat.com>

        * haifa-sched.c (ready_remove): Fix thinko, we want to copy around
        ready->vec[foo] not ready[foo].

        2001-09-07  Vladimir Makarov  <vmakarov@redhat.com>

        * doc/md.texi: Correct examples for define_insn_reservations
        `mult' and `div'.

        2001-09-07  Vladimir Makarov  <vmakarov@redhat.com>

        * genautomata.c (create_automata): Print message about creation of
        each automaton.
        (generate): Remove printing meease about creation of
        automata.

        2001-09-05  David S. Miller  <davem@redhat.com>

        * config/sparc/linux.h: Set CPLUSPLUS_CPP_SPEC.
        * config/sparc/linux64.h: Likewise.

        2001-08-31  Vladimir Makarov  <vmakarov@redhat.com>

        * haifa-sched.c (insn_cost, schedule_insn, queue_to_ready,
        schedule_block, sched_init, sched_finish): Add missed calls of
        use_dfa_pipeline_interface.

        * sched-rgn.c (init_ready_list, new_ready, debug_dependencies):
        Ditto.

        * sched-vis.c (get_visual_tbl_length): Ditto.

        2001-08-27  Richard Henderson  <rth@redhat.com>

        * genattr.c (main): Emit state_t even when not doing scheduling.

        2001-08-27  Richard Henderson  <rth@redhat.com>

        * genautomata.c (expand_automata): Always create a description.

        2001-08-27  Vladimir Makarov  <vmakarov@touchme.toronto.redhat.com>

        * rtl.def (DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT, EXCLUSION_SET,
        PRESENCE_SET, ABSENCE_SET, DEFINE_BYPASS, DEFINE_AUTOMATON,
        AUTOMATA_OPTION, DEFINE_RESERVATION, DEFINE_INSN_RESERVATION): New
        RTL constructions.

        * genattr.c (main): New variable num_insn_reservations.  Increase
        it if there is DEFINE_INSN_RESERVATION.  Output automaton based
        pipeline hazard recognizer interface.

        * genattrtab.h: New file.

        * genattrtab.c: Include genattrtab.h.
        (attr_printf, check_attr_test, make_internal_attr,
        make_numeric_value): Move protypes into genattrtab.h.  Define them
        as external.
        (num_dfa_decls): New global variable.
        (main): Process DEFINE_CPU_UNIT, DEFINE_QUERY_CPU_UNIT,
        DEFINE_BYPASS, EXCLUSION_SET, PRESENCE_SET, ABSENCE_SET,
        DEFINE_AUTOMATON, AUTOMATA_OPTION, DEFINE_RESERVATION,
        DEFINE_INSN_RESERVATION.  Call expand_automata and write_automata.

        * genautomata.c: New file.

        * rtl.h (LINK_COST_ZERO, LINK_COST_FREE): Remove them.

        * sched-int.h: (curr_state): Add the external definition for
        automaton pipeline interface.
        (haifa_insn_data): Add comments for members blockage and units.

        * target-def.h (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
        TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
        TARGET_SCHED_DFA_PRE_CYCLE_INSN,
        TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
        TARGET_SCHED_DFA_POST_CYCLE_INSN,
        TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
        TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): New
        macros.
        (TARGET_SCHED): Use the new macros.

        * target.h (use_dfa_pipeline_interface, init_dfa_pre_cycle_insn,
        dfa_pre_cycle_insn, init_dfa_post_cycle_insn, dfa_post_cycle_insn,
        first_cycle_multipass_dfa_lookahead, init_dfa_bubbles,
        dfa_bubble): New members in gcc_target.sched.

        * haifa-sched.c (insert_schedule_bubbles_p): New variable.
        (MAX_INSN_QUEUE_INDEX): New macro for automaton interface.
        (insn_queue): Redefine it as pointer to array.
        (NEXT_Q, NEXT_Q_AFTER): Use MAX_INSN_QUEUE_INDEX instead of
        INSN_QUEUE_SIZE.
        (max_insn_queue_index_macro_value): New variable.
        (curr_state, dfa_state_size, ready_try): New varaibles for
        automaton interface.
        (ready_element, ready_remove, max_issue): New function prototypes
        for automaton interface.
        (choose_ready): New function prototype.
        (insn_unit, blockage_range): Add comments.
        (unit_last_insn, unit_tick, unit_n_insns): Define them for case
        FUNCTION_UNITS_SIZE == 0.
        (insn_issue_delay, actual_hazard_this_instance, schedule_unit,
        actual_hazard, potential_hazard): Add comments.
        (insn_cost): Use cost -1 as undefined value.  Remove
        LINK_COST_ZERO and LINK_COST_FREE.  Add new code for automaton
        pipeline interface.
        (ready_element, ready_remove): New functions for automaton
        interface.
        (schedule_insn): Add new code for automaton pipeline interface.
        (queue_to_ready): Add new code for automaton pipeline interface.
        Use MAX_INSN_QUEUE_INDEX instead of INSN_QUEUE_SIZE.
        (debug_ready_list): Print newline when the queue is empty.
        (max_issue): New function for automaton pipeline interface.
        (choose_ready): New function.
        (schedule_block): Add new code for automaton pipeline interface.
        Print ready list before scheduling each insn.
        (sched_init): Add new code for automaton pipeline interface.
        Initiate insn cost by -1.
        (sched_finish): Free the current automaton state and finalize
        automaton pipeline interface.

        * sched-rgn.c: Include target.h.
        (init_ready_list, new_ready, debug_dependencies): Add new code for
        automaton pipeline interface.

        * sched-vis.c: Include target.h.
        (get_visual_tbl_length): Add code for automaton interface.
        (target_units, print_block_visualization):  Add comments.

        * Makefile.in (GETRUNTIME, HASHTAB, HOST_GETRUNTIME, HOST_HASHTAB,
        USE_HOST_GETRUNTIME, USE_HOST_HASHTAB, HOST_VARRAY): New variables.
        (sched-rgn.o, sched-vis.o): Add new dependency file target.h.
        (getruntime.o, genautomata.o): New entries.
        (genattrtab.o): Add new dependency file genattrtab.h.
        (genattrtab): Add new dependencies.  Link it with `libm.a'.
        (getruntime.o, hashtab.o): New entries for canadian cross.

        * doc/md.texi: Description of automaton based model.

        * doc/tm.texi (TARGET_SCHED_ISSUE_RATE, TARGET_SCHED_ADJUST_COST):
        Add comments.
        (TARGET_SCHED_USE_DFA_PIPELINE_INTERFACE,
        TARGET_SCHED_DFA_PRE_CYCLE_INSN,
        TARGET_SCHED_INIT_DFA_PRE_CYCLE_INSN,
        TARGET_SCHED_DFA_POST_CYCLE_INSN,
        TARGET_SCHED_INIT_DFA_POST_CYCLE_INSN,
        TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD,
        TARGET_SCHED_INIT_DFA_BUBBLES, TARGET_SCHED_DFA_BUBBLE): The new
        hook descriptions.
        (TRADITIONAL_PIPELINE_INTERFACE, DFA_PIPELINE_INTERFACE,
        MAX_DFA_ISSUE_RATE): New macro descriptions.

        * doc/contrib.texi: Add dfa based scheduler contribution.

        * doc/gcc.texi: Add more information about genattrtab.

Mon Apr 29 17:19:10 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * reload1.c (eliminate_regs, case SUBREG): Fix typo in
        adjust_address_nv call.

2002-04-29  Janis Johnson  <janis187@us.ibm.com>

        * doc/install.texi (Testing): Provide additional information, and
        a stronger encouragement, for running the testsuites.

2002-04-29  DJ Delorie  <dj@redhat.com>

        * config/mips/mips.c (mips_parse_cpu): Warn if the CPU name is
        given in upper case.

2002-04-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * fixinc/inclhack.def (solaris_widec): Include <wchar.h> in
        Solaris 2 <widec.h> if missing.
        * fixinc/fixincl.x: Regenerate.
        * fixinc/tests/base/widec.h: New file.

2002-04-29  Nick Clifton  <nickc@cambridge.redhat.com>

        * toplev.c (f_options): Add "profile" switch so that
        -fno-profile can be used to disable -p.

2002-04-29  Bernd Schmidt  <bernds@redhat.com>

        * c-common.c (type_for_mode): Add support for V2DFmode, V2DImode,
        UV2DImode.
        * tree.c (build_common_tree_nodes_2): Likewise.
        * tree.h (enum tree_index): Likewise.
        (V2DF_type_node, V2DI_type_node, unsigned_V2DI_type_node): Define.

        * config/i386/i386.c (bdesc_comi, bdesc_2arg, bdesc_1arg): Add SSE2
        entries.
        (init_mmx_sse_builtins): Initialize SSE2 builtins.
        (ix86_expand_builtin): Add support for SSE2 builtins.
        * config/i386/i386.h (VALID_SSE2_REG_MODE): New macro.
        (VALID_SSE_REG_MODE): Use it.
        (VECTOR_MODE_SUPPORTED_P): Allow SSE2 modes here as well.
        (enum ix86_builtins): Add SSE2 builtins.
        * config/i386/i386.md (movv2df_internal, movv2df, movv8hi_internal,
        movv8hi, movv16qi_internal, movv16qi, pushv2df, pushv8hi, pushv16qi,
        addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3, vmmulv2df3,
        divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3, vmsminv2df3,
        sse2_anddf3, sse2_nanddf3, sse2_iordf3, sse2_xordf3, sqrtv2df2,
        vmsqrtv2df2, maskcmpv2df3, maskncmpv2df3, vmmaskcmpv2df3,
        vmmaskncmpv2df3, sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb,
        sse2_maskmovdqu, sse2_movntv2df, sse2_movntti, sse2_movntsi, cvtdq2ps,
        cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq, cvtpd2pi,
        cvttpd2pi, cvtpi2pd, cvtsd2si, cvttsd2si, cvtsi2sd, cvtsd2ss,
        cvtss2sd, cvtpd2ps, cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3,
        ssaddv16qi3, ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3,
        subv4si3, subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3,
        mulv8hi3, smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
        sse2_umulv2siv2di3, sse2_pmaddwd, sse2_clrti, sse2_uavgv16qi3,
        sse2_uavgv8hi3, sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd,
        sse2_pshuflw, sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3,
        gtv8hi3, gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3,
        ashrv8hi3, ashrv4si3, lshrv8hi3, lshrv4si3, sse2_lshrv2di3,
        ashlv8hi3, ashlv4si3, sse2_ashlv2di3, sse2_ashlti3, sse2_lshrti3,
        sse2_unpckhpd, sse2_unpcklpd, sse2_packsswb, sse2_packssdw,
        sse2_packuswb, sse2_punpckhbw, sse2_punpckhwd, sse2_punpckhdq,
        sse2_punpcklbw, sse2_punpcklwd, sse2_punpckldq, sse2_movapd,
        sse2_movupd, sse2_movdqa, sse2_movdqu, sse2_movdq2q, sse2_movq2dq,
        sse2_movhpd, sse2_movlpd, sse2_loadsd, sse2_movsd, sse2_storesd,
        sse2_shufpd, sse2_clflush, sse2_mfence, mfence_insn, sse2_lfence,
        lfence_insn): New patterns.
        (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Renamed from
        sse_andti3_sse2, sse_nandti3_sse2, sse_iorti3_sse2, sse_xorti3_sse2.

Mon Apr 29 17:03:24 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (sse_mov?fcc*): Revert patch of Mar 14th.

2002-04-29  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi (Contributors): Add Paolo Carlini and
        Janis Johnson.
        Update Richard Henderson, Jakub Jelinek, and Mark Mitchell.
        Refer to Objective-C instead of ObjC, SPARC instead of sparc,
        and CPU instead of cpu.

Mon Apr 29 13:36:41 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * toplev.c (flag_if_conversion, flag_if_conversion2): New static
        variables.
        (lang_independent_options): Add -fif-conversion, -fif-conversion2
        (rest_of_compilation): Do if conversion only when asked for.
        (parse_options_and_default_flags): Set new variables to 1 for -O1
        * invoke.texi (-fif-conversion, -fif-conversion2): Document.

Mon Apr 29 13:02:50 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.c (dbx64_register_map): Fix typo.

Mon Apr 29 12:18:35 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * predict.c (real_zero, real_one, real_almost_one, real_br_prob_base,
        real_one_half, real_bb_freq_max): New static variables.
        (debug_profile_bbauxs): Kill.
        (process_note_predictions): Kill unused variable.
        (block_info_def, edge_info_def): Use REAL_VALUE_TYPE instead of
        volatile double.
        (propagate_freq): Use REAL_ARITHMETICS.
        (estimate_bb_frequencies): Likevise; init new static variables.
        * Makefile.in (predict.o): Add dependency on real.h

2002-04-28  David S. Miller  <davem@redhat.com>

        PR target/6500
        * config/sparc/sparc.md (prefetch): Emit properly for 32-bit vs.
        64-bit TARGET_V9.  Do not use prefetch page, use prefetch for
        several {reads,writes} instead.
        * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
        Define.

2002-04-27  David S. Miller  <davem@redhat.com>

        PR target/6494
        * config/sparc/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Be mindful
        of the stack bias.

        * config/sparc/linux.h, config/sparc/linux64.h: Don't bother
        including signal.h and sys/ucontext.h, not needed.

2002-04-29  Hans-Peter Nilsson  <hp@bitrange.com>

        * varasm.c (output_constant_def): Correct test for not calling
        ENCODE_SECTION_INFO for INTEGER_CST.

2002-04-29  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppexp.c (lex): Move some code to _cpp_parse_expr, but
        keep most cases as function eval_token.
        (eval_token): New function.
        (_cpp_parse_expr): Read token here for improved diagnostics.
        Don't use op_as_text.  Detect bad ':' here.
        (reduce): Don't detect bad ':' here.
        (op_as_text): Remove.
        * cpphash.h (_cpp_test_assertion): Change prototype.
        * cpplib.c (_cpp_test_assertion): Change prototype.

2002-04-28  Richard Henderson  <rth@redhat.com>

        PR c/5154
        * ggc-common.c (ggc_mark_rtx_children_1): Rename from...
        (ggc_mark_rtx_children): New.

2002-04-28  Jakub Jelinek  <jakub@redhat.com>

        PR target/6496
        * config/sparc/sparc.md (call + jump 32-bit peepholes): Disable jump
        after call peepholes for UltraSPARC.
        (call + jump 64-bit peepholes): Remove.

2002-04-28  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        PR c/6497
        * config/rs6000/rs6000.md (sCC patterns): Remove clobber and use
        result as temporary value.

2002-04-28  Jakub Jelinek  <jakub@redhat.com>

        PR c++/6396
        * toplev.c (rest_of_compilation): Only run regrename and copy
        propagation if optimizing.

2002-04-28  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/6475
        * reload1.c (alter_reg): Only call set_mem_expr if I is home pseudo
        register of REGNO_DECL (i).
        * Makefile.in (reload1.o): Add $(TREE_H).

2002-04-28  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppexp.c (lex): Update to use state.skip_eval.
        (struct op): Remove prio and flags members.
        (FLAG_BITS, FLAG_MASK, PRIO_SHIFT, EXTRACT_PRIO, EXTRACT_FLAGS,
        SHORT_CIRCUIT, RIGHT_ASSOC, ..._PRIO, op_to_prio): Remove.
        (LEFT_ASSOC): New macro.
        (optab): New table of operator priorities and flags.
        (SHIFT): Update.
        (_cpp_parse_expr): Clean up logic.  Return bool.  Use a
        malloc-ed parser stack.
        (reduce): New; reduce the operator stack.
        (_cpp_expand_op_stack): Expand the operator stack as necessary.
        * cpphash.h (struct op): Predeclare.
        (struct cpp_reader): New members op_stack, op_limit.
        (struct lexer_state): New member skip_eval.
        (_cpp_parse_expr): Update.
        (_cpp_expand_op_stack): New.
        * cpplib.c (do_if): Update.
        * cppinit.c (cpp_create_reader): Create op stack.
        (cpp_destroy): And destroy it.
        * cpplib.h (CPP_LAST_CPP_OP): Correct.
        (TTYPE_TABLE): Correct.

2002-04-28  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        PR c/6343
        * c-decl.c (duplicate_decls): Call merge_weak.
        * c-pragma.c (apply_pragma_weak): Warn about misuse.
        * output.h (merge_weak): Prototype merge_weak.
        * varasm.c (merge_weak): New function.
        (declare_weak): Make sure we don't give an error on VAR_DECLs.
        Mark RTL with SYMBOL_REF_WEAK.

2002-04-27  Kurt Garloff <garloff@suse.de>

        * tree-inline.c (inlinable_function_p): Improve heuristics
        by using a smoother function to cut down allowable inlinable size.
        * param.def: Add parameters max-inline-insns-single,
        max-inline-slope, min-inline-insns that determine the exact
        shape of the above function.
        * param.h: Likewise.

2002-04-26  Richard Henderson  <rth@redhat.com>

        * c-parse.in (malloced_yyss, malloced_yyvs): New.
        (yyoverflow): Re-add.  Set them.
        (free_parser_stacks): New.
        * c-common.h: Declare it.
        * c-lex.c (c_common_parse_file): Call it.

2002-04-26  Richard Henderson  <rth@redhat.com>

        * cfgrtl.c (tidy_fallthru_edge): Don't use next_real_insn
        for fallthru search.

2002-04-26  Eric Christopher  <echristo@redhat.com>

        PR optimization/3700
        * config/mips/mips.c (mips_issue_rate): Define.  New function.
        (TARGET_SCHED_ISSUE_RATE): Use.

2002-04-25  David S. Miller  <davem@redhat.com>

        PR target/6422
        * reorg.c (optimize_skip): Do not allow exception causing
        instructions to be considered for delay slots.
        (fill_simply_delay_slots, fill_slots_from_thread): Likewise.
        (relax_delay_slots): Do not try to consider exception causing
        instructions as redundant.

2002-04-26  Richard Henderson  <rth@redhat.com>

        PR c/5225
        * c-typeck.c (build_unary_op) [CONVERT_EXPR]: Invoke non_lvalue.

2002-04-26  Mark Mitchell  <mark@codesourcery.com>

        PR bootstrap/6445
        * config/i386/i386.md (untyped_call): Return the value in a float
        register if TARGET_FLOAT_RETURNS_IN_80387, not just if
        TARGET_80387.

2002-04-26  Alexandre Oliva  <aoliva@redhat.com>

        * tree.c (tree_int_cst_lt): Compare constants whose types differ
        in unsigned-ness correctly.

2002-04-26  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.h (FUNCTION_OK_FOR_SIBCALL): Don't do sibcalls when using the
        portable runtime model.

2002-04-26  Richard Henderson  <rth@redhat.com>

        * c-parse.in (yyoverflow): Revert.

2002-04-26  David Edelsohn  <edelsohn@gnu.org>
            Richard Henderson  <rth@redhat.com>

        * config/rs6000/rs6000.md (sCC pattern): Remove clobber and use
        result as temporary value.

2002-04-26  Richard Henderson  <rth@redhat.com>

        PR c/3581
        * c-common.c (fix_string_type): Split out of ...
        (combine_strings): ... here.  Take a varray, not a tree list.
        (c_expand_builtin_printf): Use fix_string_type.
        * c-common.h: Update decls.
        * c-parse.in (string): Remove.  Update all uses to use STRING
        instead, and not call combine_strings.
        (yylexstring): New.
        (_yylex): Use it.
        * c-typeck.c (simple_asm_stmt): Don't call combine_strings.
        (build_asm_stmt): Likewise.
        * objc/objc-act.c (my_build_string): Use fix_string_type.
        (build_objc_string_object): Build varray for combine_strings.

2002-04-26  Bo Thorsen  <bo@suse.co.uk>

        * config/i386/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Define for
        x86-64.

2002-04-26  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppexp.c (CPP_UMINUS, CPP_UPLUS): New.
        (HAVE_NO_R_OPERAND): Remove.
        (HAVE_VALUE): Remove.
        (op_to_prio): Update.
        (UNARY): Don't alter flags.
        (_cpp_parse_expr): want_value used to indicate whether
        a number or unary operator is expected next.  Distinguish
        unary and binary +/-.
        (op_as_text): Update for unary operators.

2002-04-25  Richard Henderson  <rth@redhat.com>

        PR c/2161
        * c-parse.in (yyoverflow): New.

2002-04-25  Richard Henderson  <rth@redhat.com>

        PR c/2098
        * c-common.c (shorten_compare): Simplfy conditions leading to
        the generation of a warning.

2002-04-25  Richard Henderson  <rth@redhat.com>

        PR c/2035
        * expmed.c (extract_bit_field): Fall through to generic code rather
        than aborting on subreg special case.

2002-04-25  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.h (FUNCTION_OK_FOR_SIBCALL): Add back check
        for DECL being NULL.

2002-04-25  Steve Christiansen  <smc@us.ibm.com>

        * doc/md.texi (Machine Constraints): Add IA-64 constraints.

2002-04-25  Eric Botcazou  <ebotcazou@multimania.com>

        * c-decl.c (grokdeclarator): Remove outdated ??? note
        on invalid declaration of flexible array members.

2002-04-25  Richard Henderson  <rth@redhat.com>

        * doc/invoke.texi: Document -gdwarf{,-2} vs debug level.

2002-04-25  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_emit_epilogue): Always restore registers
        needed by the compiler, even if they are used as global regs.

2002-04-25  Matt Hiller  <hiller@redhat.com>

        * mips.c (mips_class_max_nregs, mips_register_move_cost): New
        functions.
        * mips.h (CLASS_MAX_NREGS, REGISTER_MOVE_COST): Redefine as calls
        of the corresponding functions.
        * mips-protos.h (mips_class_max_nregs, mips_register_move_cost):
        New prototypes.

2002-04-25  Matt Hiller  <hiller@redhat.com>

        * config/mips/mips.h (mips_sw_reg_names): Declare as extern.

        (ALL_COP_ADDITIONAL_REGISTER_NAMES): New macro.
        (FIRST_PSEUDO_REGISTER): Redefine considering coprocessor
        registers, adjust comment accordingly.
        (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
        reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGISTER_NAMES,
        DEBUG_REGISTER_NAMES, REG_ALLOC_ORDER): Adjust to include entries
        for coprocessor registers.
        (ADDITIONAL_REGISTER_NAMES): Include
        ALL_COP_ADDITIONAL_REGISTER_NAMES.

        (COP0_REG_FIRST, COP0_REG_LAST, COP0_REG_NUM,
        COP2_REG_FIRST, COP2_REG_LAST, COP2_REG_NUM,
        COP3_REG_FIRST, COP3_REG_LAST, COP3_REG_NUM,
        COP0_REG_P, COP2_REG_P, COP3_REG_P, ALL_COP_REG_P,
        COPNUM_AS_CHAR_FROM_REGNUM, COP_REG_CLASS_P): New macros.

        (mips_char_to_class): Adjust comment to include coprocessor
        constraint letters.

        * config/mips/mips.c (coprocessor_operand, coprocessor2_operand):
        New functions.
        (mips_reg_names, mips_regno_to_class): Include coprocessor
        information.
        (mips_sw_reg_names): Ditto, make non-static.
        (mips_move_1word): Handle moves to and from coprocessor registers.
        (mips_move_2words): Handle moves to and from coprocessor
        registers.
        (mips_class_max_nregs, mips_register_move_cost): Handle
        coprocessor register classes.
        (override_options): Initialize mips_char_to_class and
        mips_hard_regno_mode_ok properly for coprocessor registers.

        * config/mips/mips.md (movdi_internal, movdi_internal2,
        movsi_internal1, movsi_internal2): Add constraint-sets for
        coprocessor registers.
        * testsuite/gcc.c-torture/mipscop-1.c: New testcase.
        * testsuite/gcc.c-torture/mipscop-1.x: Disable above if target
        isn't mips.
        * testsuite/gcc.c-torture/mipscop-2.c: New testcase.
        * testsuite/gcc.c-torture/mipscop-2.x: Disable above if target
        isn't mips.
        * testsuite/gcc.c-torture/mipscop-3.c: New testcase.
        * testsuite/gcc.c-torture/mipscop-3.x: Disable above if target
        isn't mips.
        * testsuite/gcc.c-torture/mipscop-4.c: New testcase.
        * testsuite/gcc.c-torture/mipscop-4.x: Disable above if target
        isn't mips.

        * doc/tm.texi: Document feature.

2002-04-25  Neil Booth  <neil@daikokuya.demon.co.uk>

        * integrate.c (function_attribute_inlinable_p): Simplify.
        Check the table pointer is not NULL.

2002-04-25  Steven Bosscher  <S.Bosscher@student.tudelft.nl>

        * doc/c-tree.texi: Fix typo in introduction.

2002-04-25  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.h (c_common_parse_file): Update.
        * c-lang.c (LANG_HOOKS_SET_YYDEBUG): Remove.
        * c-lex.c (YYDEBUG): Get from c-lex.h.
        (c_common_parse_file): Update.
        * c-lex.h (YYDEBUG, yydebug): New.
        * c-parse.in (YYDEBUG): Get from c-lex.h.
        (c_set_yydebug): Remove.
        * c-tree.h (c_set_yydebug): Remove.
        * langhooks-def.h (lhd_do_nothing_i): New.
        (lhd_set_yydebug, LANG_HOOKS_SET_YYDEBUG): Remove.
        (LANG_HOOKS_PARSE_FILE, LANG_HOOKS_INITIALIZER): Update.
        * langhooks.c  (lhd_do_nothing_i): New.
        (lhd_set_yydebug): Remove.
        * langhooks.h (struct lang_hooks): Update.
        * toplev.c (set_yydebug): New.
        (compile_file): Update call to parse_file hook.
        (decode_d_option): Update.
objc:
        * objc-lang.c (LANG_HOOKS_SET_YYDEBUG): Remove.

Wed Apr 24 23:45:37 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * loop.c (load_mems): Don't change the interface of called functions.

        * calls.c (expand_call): Take current_function_pretend_args_size
        into account when setting argblock for sibcalls.

2002-04-24  Matt Hiller  <hiller@redhat.com>

        * cpplex.c: Remove conditional #undef of MULTIBYTE_CHARS.
        * c-lex.c: Ditto.

        * cpplex.c (skip_line_comment): Process comment one multibyte
        character at a time rather than one char at a time, if
        appropriate.
        (parse_string): Process string one multibyte character at a time
        rather than one char at a time, if appropriate.
        * c-lex.c (lex_string): Lex and copy multibyte strings
        appropriately.
        * cpplib.h (cppchar_t): Change to unsigned.

2002-04-24  Richard Henderson  <rth@redhat.com>

        PR c/3467
        * c-decl.c (grokdeclarator): Don't pedwarn variable sized arrays
        for c99.

Wed Apr 24 21:51:54 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c (sh_va_arg): If argument was passed by reference,
        dereference the pointer.

        * sh.h (PIC_OFFSET_TABLE_REGNUM): Conditionalize on flag_pic.

        * sh.md (divsi3_i4_media): Use match_operand for input values
        rather than hard registers.
        (divsi3 - TARGET_SHMEDIA_FPU case): Don't ferry values
        unnecessarily through hard registers.  Keep copies of pseudo
        registers outside of the libcall sequence.

        * sh.md (casesi_shift_media): Add modes.

        * sh.h (RETURN_IN_MEMORY): Return variable size BLKmode
        values in memory.

2002-04-24  Neil Booth  <neil@daikokuya.demon.co.uk>

        * attribs.c (c_common_attribute_table): Move table and handlers
        to c-common.c.
        (format_attribute_table, lang_attribute_table,
        lang_attribute_common): Remove.
        (init_attributes): Replace NULL pointers with pointers to the
        empty table.
        (handle_packed_attribute, handle_nocommon_attribute,
        handle_common_attribute, handle_noreturn_attribute,
        handle_noinline_attribute, handle_always_inline_attribute,
        handle_used_attribute, handle_unused_attribute,
        handle_const_attribute, handle_transparent_union_attribute,
        handle_constructor_attribute, handle_destructor_attribute,
        handle_mode_attribute, handle_section_attribute,
        handle_aligned_attribute, handle_weak_attribute,
        handle_alias_attribute, handle_visibility_attribute,
        handle_no_instrument_function_attribute, handle_malloc_attribute,
        handle_no_limit_stack_attribute, handle_pure_attribute,
        handle_deprecated_attribute, handle_vector_size_attribute,
        vector_size_helper): Move to c-common.c.
        * c-common.c (c_common_attribute_table,
        handle_packed_attribute, handle_nocommon_attribute,
        handle_common_attribute, handle_noreturn_attribute,
        handle_noinline_attribute, handle_always_inline_attribute,
        handle_used_attribute, handle_unused_attribute,
        handle_const_attribute, handle_transparent_union_attribute,
        handle_constructor_attribute, handle_destructor_attribute,
        handle_mode_attribute, handle_section_attribute,
        handle_aligned_attribute, handle_weak_attribute,
        handle_alias_attribute, handle_visibility_attribute,
        handle_no_instrument_function_attribute, handle_malloc_attribute,
        handle_no_limit_stack_attribute, handle_pure_attribute,
        handle_deprecated_attribute, handle_vector_size_attribute,
        vector_size_helper): Move from attribs.c.
        * c-common.h (c_common_attribute_table,
        c_common_format_attribute_table): New.
        * c-lang.c (LANG_HOOKS_COMMON_ATTRIBUTE_TABLE,
        LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE): Redefine.
        * langhooks-def.h (LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE,
        LANG_HOOKS_COMMON_ATTRIBUTE_TABLE, LANG_HOOKS_ATTRIBUTE_TABLE): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.h (struct lang_hooks): 3 new attribute hooks.
        * target-def.h (TARGET_ATTRIBUTE_TABLE): Default to NULL.
        * target.h: Update comment.
        * tree.c (default_target_attribute_table): Remove.
        * tree.h (default_target_attribute_table, format_attribute_table,
        lang_attribute_table, lang_attribute_common): Remove.
objc:
        * objc-lang.c (LANG_HOOKS_COMMON_ATTRIBUTE_TABLE,
        LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE): Redefine.

2002-04-24  Jason Merrill  <jason@redhat.com>

        * dwarf2.h (enum dwarf_attribute): Add DW_AT_GNU_vector.
        * dwarf2out.c (dwarf_attr_name): Support it.
        (gen_array_type_die): Emit it.
        (lookup_type_die): No special handling for VECTOR_TYPE.
        (gen_type_die): Hand VECTOR_TYPE off to gen_array_type_die.

2002-04-24  Richard Henderson  <rth@redhat.com>

        * config/mips/mips.md (movdi_usd): Renumber.

2002-04-24  David S. Miller  <davem@redhat.com>

        PR target/6420
        * config/sparc/sparc.h (FUNCTION_OK_FOR_SIBCALL): Return false if
        32-bit Sparc and current_function_returns_struct is true.

Wed Apr 24 13:48:25 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * loop.c (canonicalize_condition): Use gen_int_mode.

2002-04-24  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h: Cleanup file.  Add non individual
        variants.
        (vec_vaddubm): New.
        (vec_vadduhm): New.
        (vec_vadduwm): New.
        (vec_vaddfp): New.
        (vec_vaddcuw): New.
        (vec_vaddubs): New.
        (vec_vaddsbs): New.
        (vec_vadduhs): New.
        (vec_vadduws): New.
        (vec_vaddsws): New.
        (vec_vand): New.
        (vec_vandc): New.
        (vec_vavgub): New.
        (vec_vavgsb): New.
        (vec_vavguh): New.
        (vec_vavgsh): New.
        (vec_vavguw): New.
        (vec_vavgsw): New.
        (vec_vrfip): New.
        (vec_vcmpbfp): New.
        (vec_vcmpequb): New.
        (vec_vcmpequh): New.
        (vec_vcmpequw): New.
        (vec_vcmpeqfp): New.
        (vec_vcmpgefp): New.
        (vec_vcmpgtub): New.
        (vec_vcmpgtsb): New.
        (vec_vcmpgtuh): New.
        (vec_vcmpgtsh): New.
        (vec_vcmpgtuw): New.
        (vec_vcmpgtsw): New.
        (vec_vcmpgtfp): New.
        (vec_vcmpgefp): New.
        (vec_vcfux): New.
        (vec_vcfsx): New.
        (vec_vctsxs): New.
        (vec_vctuxs): New.
        (vec_vexptefp): New.
        (vec_vrfim): New.
        (vec_lvx): New.
        (vec_lvebx): New.
        (vec_lvehx): New.
        (vec_lde): Add vector float variant.
        (vec_lvewx): New.
        (vec_lvxl): New.
        (vec_vlogefp): New.
        (vec_vmaddfp): New.
        (vec_vmhaddshs): New.
        (vec_vmaxub): New.
        (vec_vmaxsb): New.
        (vec_vmaxuh): New.
        (vec_vmaxsh): New.
        (vec_vmaxuw): New.
        (vec_vmaxsw): New.
        (vec_vmaxsw): New.
        (vec_vmaxfp): New.
        (vec_vmrghb): New.
        (vec_vmrghh): New.
        (vec_vmrghw): New.
        (vec_vmrglb): New.
        (vec_vmrglh): New.
        (vec_vmrglw): New.
        (vec_vminub): New.
        (vec_vminsb): New.
        (vec_vminuh): New.
        (vec_vminsh): New.
        (vec_vminuw): New.
        (vec_vminsw): New.
        (vec_vminfp): New.
        (vec_vmladduhm): New.
        (vec_vmhraddshs): New.
        (vec_msumubm): New.
        (vec_vmsummbm): New.
        (vec_vmsumuhm): New.
        (vec_vmsumshm): New.
        (vec_vmsumuhs): New.
        (vec_vmsumshs): New.
        (vec_vmuleub): New.
        (vec_vmulesb): New.
        (vec_vmuleuh): New.
        (vec_vmulesh): New.
        (vec_vmuloub): New.
        (vec_mulosb): New.
        (vec_vmulouh): New.
        (vec_vmulosh): New.
        (vec_vnmsubfp): New.
        (vec_vnor): New.
        (vec_vor): New.
        (vec_vpkuhum): New.
        (vec_vpkuwum): New.
        (vec_vpkpx): New.
        (vec_vpkuhus): New.
        (vec_vpkshss): New.
        (vec_vpkuwus): New.
        (vec_vpkswss): New.
        (vec_vpkshus): New.
        (vec_vpkswus): New.
        (vec_vperm): New.
        (vec_vrefp): New.
        (vec_vrlb): New.
        (vec_vrlh): New.
        (vec_vrlw): New.
        (vec_vrfin): New.
        (vec_vrsqrtefp): New.
        (vec_vsel): New.
        (vec_vslb): New.
        (vec_vslh): New.
        (vec_vslw): New.
        (vec_vsldoi): New.
        (vec_vsl): New.
        (vec_vslo): New.
        (vec_vspltb): New.
        (vec_vsplth): New.
        (vec_vspltw): New.
        (vec_vspltisb): New.
        (vec_vspltish): New.
        (vec_vspltisw): New.
        (vec_vsrb): New.
        (vec_vsrh): New.
        (vec_vsrw): New.
        (vec_vsrab): New.
        (vec_vsrah): New.
        (vec_vsraw): New.
        (vec_vsr): New.
        (vec_vsro): New.
        (vec_stvx): New.
        (vec_stvebx): New.
        (vec_stvehx): New.
        (vec_stvewx): New.
        (vec_stvxl): New.
        (vec_vsububm): New.
        (vec_vsubuhm): New.
        (vec_vsubuwm): New.
        (vec_vsubfp): New.
        (vec_vsubcuw): New.
        (vec_vsububs): New.
        (vec_vsubsbs): New.
        (vec_vsubuhs): New.
        (vec_vsubshs): New.
        (vec_vsubuws): New.
        (vec_vsubsws): New.
        (vec_vsum4ubs): New.
        (vec_vsum4sbs): New.
        (vec_vsum4shs): New.
        (vec_vsum2sws): New.
        (vec_vsumsws): New.
        (vec_vrfiz): New.
        (vec_vupkhsb): New.
        (vec_vupkhpx): New.
        (vec_vupkhsh): New.
        (vec_vupklsb): New.
        (vec_vupklpx): New.
        (vec_vupklsh): New.
        (vec_vxor): New.

2002-04-23  Eric Botcazou  <ebotcazou@multimania.com>

        PR c/5430
        * fold-const.c (split_tree): Add MINUS_LITP parameter; separate
        added literals from substracted literals.
        (associate_trees): Don't convert MINUS_EXPR into PLUS_EXPR.
        (fold) [associate]: Preserve MINUS_EXPR if needed.

2002-04-23  Zack Weinberg  <zack@codesourcery.com>

        * doc/install.texi: Clarify which versions of alpha*-dec-osf*
        are obsoleted.

2002-04-23  Tom Tromey  <tromey@redhat.com>

        * gcc.c: Added --resource.  For PR java/6314.

2002-04-23  David O'Brien  <obrien@FreeBSD.org>

        * cp/g++spec.c: Use profiled libstdc++ and libm with -p/-pg.
        * config/freebsd.h (MATH_LIBRARY_PROFILE): Use the _p verions of
        these libraries.

2002-04-23  David O'Brien  <obrien@FreeBSD.org>

        * config/freebsd.h(OBJECT_FORMAT_ELF): Define.

Tue Apr 23 14:24:25 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_output_addr_diff_elt): Avoid x86_64 binutils bug
        workaround.
        (ix86_expand_int_movcc): Avoid x86_64 compilation chrash.
        (ix86_expand_clrstr): Fix typo.
        * loop.c (gen_load_of_final_value): New.
        (loop_givs_rescan, strength_reduce, check_dbra_loop):
        Use it.

2002-04-23  Roger Sayle  <roger@eyesopen.com>

        * builtins.c (builtin_memset_gen_str): New function.
        (expand_builtin_memset): Optimize the case of constant length, but
        unknown value.

2002-04-23  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h (vec_step): Remove extraneous
        parentheses.
        (vec_ctu): Cast return.

2002-04-23  Alan Modra  <amodra@bigpond.net.au>

        PR target/6413
        * function.h: (struct function): Add profile_label_no field.
        (current_function_profile_label_no): Define.
        * function.c: (profile_label_no): New static var.
        (expand_function_start): Increment it, and copy to
        current_function_profile_label_no.
        * output.h (profile_label_no): Delete.
        * final.c (profile_label_no): Delete.
        (profile_function): Use current_function_profile_label_no.
        (final_end_function): Don't increment profile_label_no here.
        * config/i386/i386.c (ix86_osf_output_function_prologue): Replace
        profile_label_no with current_function_profile_label_no.
        * config/pa/pa.c (current_function_number): Delete.
        (pa_output_function_prologue): Don't output profile label here.
        (hppa_profile_hook): Use label_no param rather than
        current_function_number.
        (FUNC_BEGIN_PROLOG_LABEL): Move to ..
        * config/pa/pa.h: .. here.
        (FUNCTION_PROFILER): Output profile label here.

2002-04-22  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): Revert
        patch of 2002-04-09 due to binutils issues.
        (FUNCTION_ARG_REGNO_P): Ensure even numbered float register.

2002-04-22  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("*movv4si_internal"): Change 'm'
        constraint to 'o' for m=r and r=m alternatives.
        ("*movv8hi_internal1"): Same.
        ("*movv16qi_internal1"): Same.
        ("*movv4sf_internal1"): Same.

2002-04-22  Janis Johnson  <janis187@us.ibm.com>

        * rtl.h (RTX_FLAG): New macro.
        * emit-rtl.c (copy_most_rtx): Use macros to access rtx flags.
        * final.c (alter_subreg): Use macro to access rtx flag.
        * integrate.c (copy_rtx_and_substitute): Use new access macro.
        * print-rtl.c (print_rtx): Use new access macro.

        * cse.c (insert): Check rtx code before accessing flag.

        * genattrtab.c (ATTR_IND_SIMPLIFIED_P, ATTR_CURR_SIMPLIFIED_P,
        ATTR_PERMANENT_P, ATTR_EQ_ATTR_P): New.
        (attr_hash_add_string, attr_rtx_1, attr_copy_rtx, check_attr_test,
        convert_const_symbol_ref, make_canonical, make_alternative_compare,
        evaluate_eq_attr, attr_rtx_cost, simplify_test_exp_in_temp,
        simplify_test_exp, optimize_attrs, simplify_by_exploding,
        find_and_mark_used_attributes, unmark_used_attributes,
        add_values_to_cover, simplify_with_current_value,
        simplify_with_current_value_aux, clear_struct_flag, walk_attr_value,
        copy_rtx_unchanging, main): Use new access macros.

2002-04-22  Tom Rix  <trix@redhat.com>

        * expmed.c (init_expmed): Generate shifted constant once.

2002-04-22  Zack Weinberg  <zack@codesourcery.com>

        * c-lex.c (lex_charconst): Call convert to get constant in
        proper type; don't just smash the type field.
        Fixes PR c/6300.

        * config.gcc: Add list of obsolete configurations.  Disallow
        building these without --enable-obsolete.
        * doc/install.texi: Document --enable-obsolete and obsoletion
        policy.  Mention obsoletion of individual targets in
        appropriate places.

2002-04-22  Richard Henderson  <rth@redhat.com>

        * config/sparc/sol2-bi.h (ASM_DEBUG_SPEC): New.

2002-04-22  Mark Mitchell  <mark@codesourcery.com>

        PR f/6138.
        * function.c (fixup_memory_subreg): Add promoted_mode parameter.
        (walk_fixup_memory_subreg): Likewise.
        (fixup_var_refs_insn): Adjust accordingly.
        (fixup_var_refs_1): Likewise.

2002-04-22  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/linux.h: (LIBPATH_SPEC, LIBPATH_ARCH31_SPEC,
        LIBPATH_ARCH64_SPEC): Define.
        (EXTRA_SPECS): Add libpath, libpath_arch31, libpath_arch64.
        (STARTFILE_SPEC, ENDFILE_SPEC): Define; use libpath.
        (LINK_ARCH31_SPEC): Add libpath_arch31 to search path.
        (LINK_ARCH64_SPEC): Add libpath_arch64 to search path.

2002-04-22      Joel Sherrill <joel@OARcorp.com>

        * gthr-rtems.h: Correct prototypes to remove warnings.

2002-04-22  Richard Henderson  <rth@redhat.com>

        PR c/6344
        * alias.c (canon_true_dependence): Special case (mem:blk (scratch)).

        * gcse.c (free_insn_expr_list_list): New.
        (clear_modify_mem_tables): Use it.  Fix bit set usage.
        (canon_list_insert): Use EXPR_LISTs for expressions.
        (record_last_mem_set_info): Factor BLOCK_NUM (insn).

2002-04-22  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppfiles.c (_cpp_pop_file_buffer): Return void.  Move
        file change and include code to _cpp_pop_buffer.
        * cpphash.h (struct pending_option): Predeclare.
        (struct cpp_reader): New member next_include_file.
        (_cpp_pop_file_buffer): Update.
        (_cpp_push_next_buffer): Update, rename.
        * cppinit.c (cpp_destroy): Free include chain and pending here.
        (cpp_finish_options): Simplify.
        (_cpp_push_next_buffer): Rename and clean up.
        * cpplib.c (cpp_pop_buffer): Move code from _cpp_pop_file_buffer.
        Clarify.
        * cppmacro.c (cpp_scan_nooutput): Set return_at_eof here.

2002-04-22  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h (vec_xor): Add variant for both args
        being vector signed int.
        (vec_andc): Same.
        (vec_xor): Add variant for both args being vector signed char.
        Remove redundant variant.
        (vec_andc): Same.

2002-04-21  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.md (set then compare DI mode peephole2): Fix
        compare mode in output RTL.

2002-04-22  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_override_options): Correct
        style and formatting of previous patch.

2002-04-22  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (rs6000_override_options): Always clear
        flag_pic for ABI_AIX.

2002-04-21  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppexp.c (struct op, parse_number): Replace U_CHAR with uchar.
        * cppfiles.c (read_include_file): Similarly.
        * cpphash.h (DSC, U_CHAR, ustrcmp, ustrncmp, ustrlen,
        uxstrdup ustrchr, ufputs): Similarly.
        * cppinit.c (TRIGRAPH_MAP, cpp_destroy): Similarly.
        * cpplex.c (parse_slow, unescaped_terminator_p, save_comment,
        cpp_ideq, parse_identifier, parse_number): Similarly.
        * cpplib.c (struct directive, dequote_string, D, run_directive,
        cpp_push_buffer): Similarly.
        * cppmacro.c (new_string_token, builtin_macro, cpp_quote_string,
        _cpp_create_definition, check_trad_stringification,
        cpp_macro_definition): Similarly.

2002-04-21  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppmacro.c (funlike_invocation_p): Don't step back
        over CPP_EOF.

2002-04-21  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (output_profile_hook): Do not increment
        labelno.

2002-04-20  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/invoke.texi: Remove Chill references.
        * doc/gcc.texi: Update last modified date.

2002-04-20  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/lib1funcs.asm (___mulsi3): Remove unnecessary
        push and pop.  Replace add.l with add.w.

2002-04-20  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>

        * config/h8300/lib1funcs.asm (___mulsi3): Use hardware
        multiply instructions for H8/300H case.

2002-04-20  Toshiyasu Morita  <toshiyasu.morita@hsa.hitachi.com>

        * config/h8300/lib1funcs.asm (___cmpsi2, ___ucmpsi2):
        Bum three instructions from each routine.

2002-04-20  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in: Update.
        * decl.c (push_c_function_context, pop_c_function_context,
        mark_c_function_context): Rename for consistency.
        * c-objc-common.c (c_objc_common_init): Langhooks set elsewhere.
        * c-tree.h (push_c_function_context, pop_c_function_context,
        mark_c_function_context): Rename for consistency.
        * c-lang.c (LANG_HOOKS_FUNCTION_ENTER_NESTED,
        LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_FUNCTION_MARK): Redefine.
        * function.c (init_lang_status, save_lang_status,
        restore_lang_status, mark_lang_status, free_lang_status):
        Move to langhooks.h.
        (push_function_context_to, pop_function_context_from,
        free_after_parsing, prepare_function_start, ggc_mark_struct_function):
        Update.
        * function.h (init_lang_status, save_lang_status,
        restore_lang_status, mark_lang_status, free_lang_status):
        Move to langhooks.h.
        * langhooks-def.h (LANG_HOOKS_FUNCTION_INIT,
        LANG_HOOKS_FUNCTION_FREE, LANG_HOOKS_FUNCTION_ENTER_NESTED,
        LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_FUNCTION_MARK,
        LANG_HOOKS_FUNCTION_INITIALIZER): New.
        (LANG_HOOKS_INITIALIZER): Update.
        (lhd_do_nothing_f): New.
        * langhooks.h (struct lang_hooks_for_functions): New.
        (struct lang_hooks): New hooks.
        * langhooks.c (lhd_do_nothing_f): New.
objc:
        * objc-lang.c (LANG_HOOKS_FUNCTION_ENTER_NESTED,
        LANG_HOOKS_FUNCTION_LEAVE_NESTED, LANG_HOOKS_FUNCTION_MARK): Redefine.

2002-04-19  David S. Miller  <davem@redhat.com>

        * config/sparc/linux.h (MD_FALLBACK_FRAME_STATE_FOR): Define.
        * config/sparc/linux64.h (MD_FALLBACK_FRAME_STATE_FOR): Likewise.

2002-04-19  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/3756
        * config/i386/i386.c (ix86_expand_int_movcc): Optimize
        x = ((int) y < 0) ? cst1 : cst2.

2002-04-19  Jakub Jelinek  <jakub@redhat.com>

        PR c/6358
        * function.c: Reapply patch for c/6358.
        (expand_function_end): Copy decl_rtl's mode, not
        current_function_return_rtx mode.

2002-04-19  Joel Sherrill  <joel@OARcorp.com>

        * config/rtems.h (STARTFILE_SPEC, ENDFILE_SPEC): Fix for non-ELF
        targets.

2002-04-19  Tom Tromey  <tromey@redhat.com>

        * doc/install.texi (Specific): Update status of Solaris 2.8.
        For PR libgcj/6158.

2002-04-19  Andreas Schwab  <schwab@suse.de>

        * real.c: Allow sizeof (REAL_VALUE_TYPE) > 2*NE.
        (PUT_REAL): Restore old definition.

2002-04-19  Dan Nicolaescu  <dann@godzilla.ics.uci.edu>
            Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Specific, sparc-sun-solaris2*): Mention that
        binutils 2.11.2 and higher generate smaller binaries than Sun's
        native tools.

2002-04-19  Mark Mitchell  <mark@codesourcery.com>

        PR c++/6352
        * toplev.c (rest_of_compilation): Do not defer functions for which
        TREE_SYMBOL_REFERENCED has already been set.

Fri Apr 19 15:53:03 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (movsi_1, movhi_1): Force reload to use more flexible
        alternative.

2002-04-19  Neil Booth  <neil@daikokuya.demon.co.uk>

        * builtins.c: Include langhooks.h.
        (lang_type_promotes_to): Remove.
        (expand_builtin_va_arg): Use new hook.
        * c-common.c (c_common_nodes_and_builtins): Don't set hook.
        (simple_type_promotes_to): Move to c-typeck.c.
        * c-common.h (simple_type_promotes_to): Remove.
        * c-decl.c (duplicate_decls, grokdeclarator): Update.
        * c-format.c: Include langhooks.h.
        (check_format_types): Update.
        * c-tree.h (c_type_promotes_to): New.
        * c-typeck.c (c_type_promotes_to): Move from c-common.c.
        (type_lists_compatible_p): Update.
        * langhooks-def.h (lhd_type_promotes_to): New.
        (LANG_HOOKS_TYPE_PROMOTES_TO): New.
        (LANG_HOOKS_FOR_TYPES_INITIALIZER): Update.
        * langhooks.c (lhd_type_promotes_to): New.
        * langhooks.h (struct lang_hooks_for_types): New hook.
        * tree.h (lang_type_promotes_to): Remove.
objc:
        * objc-lang.c (LANG_HOOKS_TYPE_PROMOTES_TO): Redefine.

2002-04-18  Richard Henderson  <rth@redhat.com>

        * function.c: Revert patch for c/6358.

2002-04-18  Richard Henderson  <rth@redhat.com>

        * ifcvt.c (find_cond_trap): Handle cases with no proper THEN or JOIN
        blocks.  Handle multiple references to the TRAP block.  Handle
        non-adjacent THEN and OTHER blocks.

2002-04-18  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_function_arg_pass_by_reference): Don't
        crash with no type for by-mode libcalls.

        * config/ia64/ia64.md (conditional_trap): Fix predicate polarity.

2002-04-18  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/lib2funcs.S (__xtensa_libgcc_window_spill,
        __xtensa_nonlocal_goto): Use a syscall instructions to flush
        the register windows.

2002-04-18  Zack Weinberg  <zack@codesourcery.com>

        * real.h: Define REAL_VALUE_TYPE_SIZE as 96 or 160, as
        appropriate.  Document need for extended precision even when
        MAX_LONG_DOUBLE_TYPE_SIZE is smaller.  Define REAL_WIDTH here,
        based on REAL_VALUE_TYPE_SIZE.  Use REAL_WIDTH to size
        REAL_VALUE_TYPE.  Define CONST_DOUBLE_FORMAT here.  Use #error
        instead of relying on later syntax error when REAL_WIDTH > 5.
        * real.c: Define NE based only on whether or not we have a
        full 128-bit extended type (not INTEL_EXTENDED_IEEE_FORMAT).
        Require sizeof(REAL_VALUE_TYPE) == 2*NE.  Unconditionally
        define GET_REAL and PUT_REAL as simple memcpy operations; no
        need to byteswap or round.
        Use #error instead of #ifdef-ing out the entire file, for
        prompt error detection.

        * rtl.c, gengenrtl.c: No need to calculate CONST_DOUBLE_FORMAT here.

2002-04-18  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.h (BRANCH_COST): Define.

        * fold-const.c (BRANCH_COST): Don't provide default here, expr.h
        does it.

2002-04-18  Hans-Peter Nilsson  <hp@bitrange.com>

        * flow.c (update_life_info): Ignore return value of cleanup_cfg.
        Mask out PROP_SCAN_DEAD_CODE | PROP_KILL_DEAD_CODE in
        propagate_block calls after relaxation loop using new variable
        stabilized_prop_flags.

2002-04-18  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_function_arg_pass_by_reference): New.
        (ia64_va_arg): Expect variable sized types by reference.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/ia64.h (FUNCTION_ARG_PASS_BY_REFERENCE): Use
        ia64_function_arg_pass_by_reference.

2002-04-18  Richard Henderson  <rth@redhat.com>

        * ifcvt.c: Include except.h.
        (block_has_only_trap): Break out from find_cond_trap.
        (find_cond_trap): Use it.  Always delete the trap block.
        (merge_if_block): Allow then block null.  Be less simplistic about
        what insns can end a block.
        * Makefile.in (ifcvt.o): Depend on except.h.

        * config/ia64/ia64.md (trap, conditional_trap): New.

2002-04-18  Jakub Jelinek  <jakub@redhat.com>

        PR c/6358
        * function.c (assign_parms): Assign hard current_function_return_rtx
        register here...
        (expand_function_end): ...not here.

2002-04-18  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-lang.c (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): Redefine.
        * c-tree.h (c_incomplete_type_error): New.
        * c-typeck.c (require_complete_type, build_component_ref): Update.
        (incomplete_type_error): Rename.
        * langhooks-def.h (lhd_incomplete_type_error): New.
        (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): New.
        (LANG_HOOKS_FOR_TYPES_INITIALIZER): Update.
        * langhooks.c (lhd_incomplete_type_error): New.
        * langhooks.h (struct lang_hooks_for_types): New hook.
        * tree.c (size_in_bytes): Use new hook.
        * tree.h (incomplete_type_error): Remove.
objc:
        * objc-lang.c (LANG_HOOKS_INCOMPLETE_TYPE_ERROR): Redefine.

2002-04-18  Zack Weinberg  <zack@codesourcery.com>

        * config/arc/arc.md: Remove #if HOST_FLOAT_FORMAT !=
        TARGET_FLOAT_FORMAT blocks.

2002-04-18  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Downloading the source): Do not mention Chill
        any longer, but mention Ada.
        (Configuration): Do not mention Chill any longer.

2002-04-18  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (TARGET_VERSION): Remove local version number.

Thu Apr 18 17:14:08 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.h (SSE_FLOAT_MODE_P): Fix bogus conflict resolution
        in last patch.

2002-04-18  Jakub Jelinek  <jakub@redhat.com>

        * fold-const.c (fold): Use (*lang_hooks.types.unsigned_type)
        instead of unsigned_type.

Thu Apr 18 15:49:12 CEST 2002  Jan Hubicka  <jh@suse.cz>

        * i386.h (SSE_FLOAT_MODE_P): Kill bogus TARGET_SSE_MATH check.
        * i386.md (sse_mov?fcc*): Swap operands for cases they will be swapped
        later.

2002-04-18  Bernd Schmidt  <bernds@redhat.com>

        * attribs.c (vector_type_node_list): New static variable.
        (handle_vector_size_attribute): Use it to avoid generating a
        new type node each time we are called.

        * combine.c (subst): Avoid trying to make a vector mode subreg of
        an integer constant.
        (gen_lowpart_for_combine): Likewise.

2002-04-18  Roger Sayle  <roger@eyesopen.com>
            Jakub Jelinek  <jakub@redhat.com>

        * fold-const.c (fold) [NOP_EXPR]: Convert (T)(x&c) into ((T)x&(T)c)
        for integer constant c (if x has unsigned type or sign bit is not
        set in c).  This folds the zero/sign extension into the bit-wise and
        operation.

2002-04-18  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/6205
        * config/i386/i386.md (movsf_1): Use pxor only if TARGET_SSE2,
        otherwise xorps.

2002-04-17  NIIBE Yutaka  <gniibe@m17n.org>

        * config/sh/elf.h: Undefine ASM_OUTPUT_CASE_LABEL.

2002-04-17  Nick Clifton  <nickc@cambridge.redhat.com>

        * gcc.c (read_specs): Detect and fail if an attempt is made to
        rename a spec string to an already existing string.

2002-04-17  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (legitimize_pic_address): Do not generate
        illegal address constant without CONST.

2002-04-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * sparc/linux64.h (CC1_SPEC): Error for -m32 and -m64.
        * sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.

2002-04-17  Ulrich Weigand  <uweigand@de.ibm.com>

        PR optimization/6305
        * config/s390/s390.c (s390_expand_plus_operand): Use find_replacement
        to make sure previous reloads are taken into account.  Generate
        better code if one operand is an in-range immediate constant.

2002-04-16  Andrew Haley  <aph@cambridge.redhat.com>

        * doc/install.texi (Building): libgcj requires GNU make.

2002-04-17  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/6315
        * config/sparc/sparc.md (movtf reg<-reg split): Allow spliting
        even if hard quad and register is not floating.
        (movtf reg<-mem split): Disallow splitting if hard quad and
        register is floating.
        (movtf mem<-reg split): Likewise.
        * config/sparc/sparc.c (fp_register_operand): New predicate.
        * config/sparc/sparc.h (PREDICATE_CODES): Add fp_register_operand.

2002-04-17  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (PROTO_OBJS): Add cppdefault.o.
        (protoize.o): Take $(PREPROCESSOR_DEFINES) off command line.
        (unprotoize.o): Ditto.  Build from protoize.c.  Define
        UNPROTOIZE on command line.
        * protoize.c: Include cppdefault.h.  Delete include_defaults.
        (in_system_include_dir): Use cpp_include_defaults (defined in
        cppdefault.o).
        * unprotoize.c: Delete file.

2002-04-17  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h (vec_ld): Add array variants.
        (vec_lde): Same.
        (vec_ldl): Same.

2002-04-17  Alan Matsuoka  <alanm@redhat.com>
            Aldy Hernandez <aldyh@redhat.com>

        * config/rs6000/altivec.h: Define __ALTIVEC__.
        (bool): New.
        (__pixel): New.
        (pixel): New.
        (vec_cfux): New.
        (vec_vmaddfp): New.
        (vec_vsldoi): New.
        Add parentheses to all macro arguments.

2002-04-16  Richard Henderson  <rth@redhat.com>

        PR c++/6320
        * except.c (remove_eh_handler): Insert inner regions at beginning
        of sibling chain.  Refactor expressions.

2002-04-16  Richard Henderson  <rth@redhat.com>

        * config/sparc/sol2-bi.h (AS_SPARC64_FLAG): New.
        * config/sparc/sol2-gas-bi.h: New file.
        * config.gcc (sparc*-solaris): Add it as needed.
        * configure.in (AS_SPARC64_FLAG): Remove check.
        * config.in, configure: Regenerate.

        * config/sparc/sol2-bi.h (CC1_SPEC): Error for -m32 and -m64.

2002-04-16  Richard Henderson  <rth@redhat.com>

        * config/mips/mips.c (override_options): Don't override N32 for
        a 64-bit ISA.

        PR 6202
        * config/mips/mips.md (can_delay): Split out of existing define_delays.
        (HILO_delay): Set can_delay false.

2002-04-16  Dale Johannesen <dalej@apple.com>

        * config/rs6000/rs6000.c (rs6000_output_function_prologue): Compute
        instruction addresses.
        (rs6000_output_function_epilogue): Likewise.

2002-04-16  Paolo Carlini  <pcarlini@unitus.it>

        * c-parse.in (poplevel, compstmt_start,
        compstmt_primary_start): Add ending ';', in accordance
        with POSIX.

2002-04-16  Richard Henderson  <rth@redhat.com>

        * config.gcc (sparcv9-solaris): Configure for 64-bit default.
        Adjust tm_file order to get TARGET_DEFAULT set properly.
        (sparc-solaris): Configure 2.[78] for 64-bit multilibs.
        * doc/install.texi (sparc-solaris): Update.

2002-04-16  Dale Johannesen <dalej@apple.com>

        * config/rs6000/rs6000.c (rs6000_emit_cmove): Fail if modes of
        comparison operands do not match each other or if modes of
        conditions do not match result.

2002-04-16  Hartmut Penner <hpenner@de.ibm.com>

        PR target/6305
        * config/s390/s390.md (mulsidi3): Set both subregs of the
        multiword register.

2002-04-16  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h (vec_addc): Type check.

2002-04-16  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/6279
        * expr.c (store_expr): Don't copy if DECL_RTL (exp) == target.

        * expr.c (safe_from_p): Cleanup: use DECL_RTL_IF_SET.

2002-04-15  Richard Henderson  <rth@redhat.com>

        * config/mips/abi64.h (SUBTARGET_CONDITIONAL_REGISTER_USAGE): Set
        call_really_used_regs too.

2002-04-15  Richard Henderson  <rth@redhat.com>

        * config/alpha/gnu.h (CPP_PREDEFINES): Underscores for gnu_hurd.

2002-04-15  David S. Miller  <davem@redhat.com>

        * rtlanal.c (note_stores): Don't present PARALLEL SET_DESTs
        as being CLOBBERed.

2002-04-16  Jakub Jelinek  <jakub@redhat.com>

        PR c/6290
        * config/rs6000/rs6000.c (easy_vector_constant): Return 1 if the
        CONST_VECTOR is { 0, ... 0 }.

2002-04-15  Loren J. Rittle  <ljrittle@acm.org>

        * doc/install.texi (Installing GCC: Configuration): Clarify
        the only supported ways to configure gcc.

2002-04-15  Roland McGrath  <roland@frob.com>

        * config.gcc (alpha*-*-gnu*): New target configuration.
        * config/alpha/gnu.h: New file for it.
        * config/gnu.h (TARGET_MEM_FUNCTIONS): #undef before #define.

2002-04-16  Mark Mitchell  <mark@codesourcery.com>

        * c-common.h (STMT_EXPR_NO_SCOPE): New macro.
        * c-common.c (c_expand_expr): Respect STMT_EXPR_NO_SCOPE.
        * tree.h (expand_start_stmt_expr): Update prototype.
        * stmt.c (expand_start_stmt_expr): Add has_scope parameter.
        * tree-inline.c (expand_call_inline): Set STMT_EXPR_NO_SCOPE
        on the STMT_EXPR created for the inline function.

2002-04-15  Richard Henderson  <rth@redhat.com>

        * config/alpha/linux.h, config/arm/linux-elf.h, config/i370/linux.h,
        config/i386/linux-aout.h, config/i386/linux-oldld.h,
        config/i386/linux.h, config/i386/linux64.h, config/ia64/linux.h,
        config/m68k/linux-aout.h, config/m68k/linux.h, config/mips/linux.h,
        config/pa/pa-linux.h, config/pj/linux.h, config/s390/linux.h,
        config/sh/linux.h, config/sparc/linux-aout.h, config/sparc/linux.h,
        config/sparc/linux64.h, config/xtensa/linux.h (CPP_PREDEFINES):
        Define __gnu_linux__, not gnu_linux.
        * config/rs6000/sysv4.h (CPP_OS_GNU_SPEC): Likewise for gnu_hurd.

2002-04-15  Mark Mitchell  <mark@codesourcery.com>

        Remove Chill front end.
        * gcc.c (default_compilers): Remove Chill entries.
        * ch: Remove directory.
        * doc/frontends.texi: Remove information about Chill.
        * doc/sourcebuild.texi: Likewise.
        * doc/standards.texi: Likewise.

2002-04-15  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/vms.h (INCLUDE_DEFAULTS): Add /gnu/lib/gcc-lib/include.
        (LONGLONG_STANDALONE): Define.

2002-04-15  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.c (sparc_emit_float_lib_cmp):
        Call emit_library_call with LCT_NORMAL.
        (sparc_initialize_trampoline): Use LCT_foo instead of
        magic constant in emit_library_call invocations.
        (sparc64_initialize_trampoline): Likewise.
        (sparc_profile_hook): Likewise.
        * config/sparc/sparc.md: Likewise.

        * config/sparc/sparc.c (sparc_extra_constraint_check):
        Fix type of argument 'c'.
        * config/sparc/sparc-protos.h (sparc_extra_constraint_check):
        Likewise.

2002-04-15  Gabriel Dos Reis  <gdr@merlin.codesourcery.com>

        * diagnostic.h (output_buffer_state): Redefine.
        (output_format_decoder): New macro.
        (output_prefixing_rule): Likewise.
        (output_line_cutoff): Likewise.
        (diagnostic_format_decoder): Adjust.
        (diagnostic_prefixing_rule): Likewise.
        (diagnostic_line_cutoff): Likewise.
        (diagnostic_state): Likewise.
        (diagnostic_kind_count): Likewise.
        (diagnostic_buffer): Now a macro.

        * diagnostic.c (diagnostic_buffer): Remove definition.
        (output_is_line_wrapping): Adjust.
        (set_real_maximum_length): Likewise.
        (output_set_maximum_length): Likewise.
        (init_output_buffer): Likewise.
        (lhd_print_error_function): Likewise.
        (output_do_verbatim): Likewise.

2002-04-14  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpperror.c (print_location): Don't print include chain
        if line == 0.
        (cpp_begin_message): Update to use DL_ macros.
        (cpp_ice, cpp_fatal, cpp_error_from_errno, cpp_warning,
        cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
        cpp_notice, cpp_notice_from_errno): Remove.
        (cpp_error, cpp_error_with_line): Update to take a diagnostic
        level.
        (cpp_errno): New.
        * cppexp.c (CPP_ICE): Remove.
        (SYNTAX_ERROR, SYNTAX_ERROR2, parse_number, parse_defined,
        lex, integer_overflow, _cpp_parse_expr): Update.
        * cppfiles.c (read_include_file, find_include_file,
        handle_missing_header, _cpp_read_file, remap_filename): Update.
        * cpphash.h (enum error_type): Remove.
        (_cpp_begin_message): Update.
        * cppinit.c (append_include_chain, remove_dup_dirs, output_deps,
        cpp_handle_option, cpp_post_options): Update.
        * cpplex.c (trigraph_p, skip_escaped_newlines, skip_block_comment,
        skip_whitespace, parse_identifier, parse_slow, parse_string,
        _cpp_lex_direct, cpp_spell_token, maybe_read_ucs, cpp_parse_escape,
        cpp_interpret_charconst): Update.
        * cpplib.c (check_eol, directive_diagnostics, _cpp_handle_directive,
        lex_macro_node, do_undef, glue_header_name, parse_include,
        do_include_common, read_flag, do_line, do_linemarker, do_ident,
        cpp_register_pragma, do_pragma_once, do_pragma_system_header,
        do_pragma_poison, do_pragma_dependency, _cpp_do__Pragma, do_else,
        do_elif, do_endif, parse_answer, parse_assertion, do_assert,
        _cpp_pop_buffer, do_diagnostic): Update.
        * cpplib.h (DL_WARNING, DL_WARNING_SYSHDR, DL_PEDWARN, DL_ERROR,
        DL_FATAL, DL_ICE, DL_EXTRACT, DL_WARNING_P): New.
        (cpp_ice, cpp_fatal, cpp_error_from_errno, cpp_warning,
        cpp_warning_with_line, cpp_pedwarn, cpp_pedwarn_with_line,
        cpp_notice, cpp_notice_from_errno): Remove.
        (cpp_error, cpp_error_with_line): Update to take a diagnostic
        level.
        (cpp_errno): New.
        * cppmacro.c (builtin_macro, stringify_arg, paste_all_tokens,
        collect_args, enter_macro_context, save_parameter, parse_params,
        _cpp_create_definition, check_trad_stringification,
        cpp_macro_definition): Update.
        * cppmain.c (cpp_preprocess_file): Update.
        * fix-header.c (read_scan_file): Update.

2002-04-14  Andreas Schwab  <schwab@suse.de>

        * config/ia64/linux.h (CPP_PREDEFINES): Fix missing backslash.

2002-04-14  Jeroen Dobbelaere  <jeroen.dobbelaere@acunia.com>

        * config/arm/linux-elf.h (CPLUSPLUS_CPP_SPEC): Define.

2002-04-13  Mark Mitchell  <mark@codesourcery.com>

        * config/i386/gnu.h (CPP_PREDEFINES): Define __gnu_hurd__,
        not gnu_hurd.

2002-04-13  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC): Fix typo.

2002-04-13      Joel Sherrill <joel@OARcorp.com>

        * config/sparc/t-elf: Enable v8 multilibs.  Impacts
        sparc-elf and sparc-rtems targets.

2002-04-13  Mark Mitchell  <mark@codesourcery.com>

        * alpha/linux.h: Define __gnu_linux__ wherever __linux__ is
        defined, and __gnu_hurd__ wherever __GNU__ is defined.
        * arm/linux-elf.h: Likewise.
        * cris/aout.h: Likewise.
        * cris/linux.h: Likewise.
        * i370/linux.h: Likewise.
        * i386/gnu.h: Likewise.
        * i386/linux-aout.h: Likewise.
        * i386/linux-oldld.h: Likewise.
        * i386/linux.h: Likewise.
        * i386/linux64.h: Likewise.
        * ia64/linux.h: Likewise.
        * m68k/linux-aout.h: Likewise.
        * m68k/linux.h: Likewise.
        * mips/linux.h: Likewise.
        * pa/pa-linux.h: Likewise.
        * pj/linux.h: Likewise.
        * rs6000/sysv4.h: Likewise.
        * s390/linux.h: Likewise.
        * sh/linux.h: Likewise.
        * sparc/linux-aout.h: Likewise.
        * sparc/linux.h: Likewise.
        * sparc/linux64.h: Likewise.
        * xtensa/linux.h: Likewise.

2002-04-13  Richard Sandiford  <rsandifo@redhat.com>

        * stmt.c (check_unique_operand_names): Expect operand names to
        be strings rather than identifiers.  Use simple_cst_equal to
        compare them.
        (resolve_operand_name_1): Make same identifier to string change here.
        * c-parse.in (asm_operand): Convert a named operand into a string.
        * cp/parse.y (asm_operand): Likewise.

2002-04-13  Andreas Schwab  <schwab@suse.de>

        * config/ia64/ia64.h (CPP_SPEC): Include %(cpp_cpu).

2002-04-12  Mark Mitchell  <mark@codesourcery.com>

        Revert these changes:

        2002-04-06  Mark Mitchell  <mark@codesourcery.com>

        PR c++/5571
        * stor-layout.c (layout_decl): Reset the RTL for the decl.

2002-04-12  Richard Henderson  <rth@redhat.com>

        * config.gcc (sparcv9-*-solaris2): Default to 32-bit code.
        (sparc*-*-solaris): Clean up header files.
        * configure.in (AS_SPARC64_FLAG): Error out if can't find it
        and plan on generating 64-bit code.
        * toplev.c (decode_g_option): Remove LINKER_DOES_NOT_WORK_WITH_DWARF2.
        * config/sparc/sol2-64.h: Delete and reuse for default 64-bit code.
        * config/sparc/sol2-sld-64.h: Rename ...
        * config/sparc/sol2-bi.h: ... here.  Remove the bits that checked
        for AS_SPARC64_FLAG not defined.
        * config/sparc/sol2-gld-bi.h: New.
        * config/sparc/sol2-sld.h: Remove.
        * config/sparc/sol26-sld.h: New.
        * config/sparc/sol2.h: Tidy comments.
        * doc/install.texi: Document sparc-solaris configury changes.

2002-04-12  Richard Henderson  <rth@redhat.com>

        * recog.c (offsettable_address_p): Match the logic in adjust_address.

        * config/sparc/sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Handle TFmode
        in 64-bit mode only.  Use only for 32-bit or MEDLOW.

2002-04-12  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * config/alpha/osf.h (LINK_SPEC): Pass -S to silence ld warnings.

Fri Apr 12 15:42:59 2002  Jeffrey A Law  (law@redhat.com)

        * pa.c (pa_can_combine_p): Call extract_insn before calling
        constrain_operands.

2002-04-12  Douglas B Rupp  <rupp@gnat.com>

        * config/i386/i386-interix.h (EH_FRAME_IN_DATA_SECTION): Define.
        (TARGET_ASM_NAMED_SECTION, RETURN_IN_MEMORY) Define.
        (DEFAULT_PCC_STRUCT_RETURN): Define as 0.
        (CPP_PREDEFINES): Handle __declspec.
        * config/i386/t-interix (USER_H): Remove.

2002-04-12  DJ Delorie  <dj@redhat.com>

        * integrate.c (compare_blocks): Make comparisons safe for when
        sizeof(int) < sizeof(char *).
        (find_block): Likewise.

2002-04-12  Jan Hubicka  <jh@suse.cz>
            David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (call_operand): Allow LINK and COUNT
        registers.
        (symbol_ref_operand): New.
        * config/rs6000/rs6000.h (PREDICATE_CODES): Add symbol_ref_operand.
        * config/rs6000/rs6000.md (call_nonlocal_aix): Use symbol_ref_operand.

2002-04-12  Andreas Schwab  <schwab@suse.de>

        * config/ia64/ia64.h (ASM_SPEC): Moved from here ...
        * config/ia64/sysv4.h (ASM_SPEC): ... to here, so that it
        overrides the definition in config/svr4.h.

2002-04-12      Eric Norum <eric.norum@usask.ca>

        * config/rtems.h, config/a29k/rtems.h, config/arm/rtems-elf.h,
        config/c4x/rtems.h, config/h8300/rtems.h, config/i386/rtems.h,
        config/i386/rtemself.h, config/i960/rtems.h, config/m68k/rtems.h,
        config/m68k/rtemself.h, config/mips/rtems.h, config/mips/rtems64.h,
        config/pa/rtems.h, config/rs6000/rtems.h, config/sh/rtems.h,
        config/sh/rtemself.h, config/sparc/rtems.h, config/sparc/rtemself.h,
        config/v850/rtems.h (*-rtems*): Cleanup pass to move common
        definitions to config/rtems.h and make the targets more similar.

Fri Apr 12 08:06:54 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (expand_assigment): Remove duplicate conversions #ifdef
        POINTERS_EXTEND_UNSIGNED.
        (store_constructor, expand_expr, case COMPONENT_REF): Likewise.
        (store_expr): Use TYPE_MODE (sizetype), not ptr_mode.

        * emit-rtl.c (widen_memory_access): Don't do anything if MEMOFFSET
        not specified.

Fri Apr 12 12:11:26 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c (calc_live_regs, sh_pr_n_sets): Use of PR_MEDIA_REG / PR_REG
        depends on TARGET_SHMEDIA, not TARGET_SH5.

2002-04-12  Hans-Peter Nilsson  <hp@bitrange.com>

        * function.c (fixup_var_refs_1) <SET, handling VAR in SET_SRC>:
        For paradoxical (subreg VAR), replace VAR, don't try the subreg.

Fri Apr 12 10:51:38 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.c (broken_move): Constant 0. / 1. load is OK if there is
        no r0 clobber.

2002-04-12  Andreas Schwab  <schwab@suse.de>

        * config/ia64/ia64.h (EXTRA_SPECS): Fix missing backslash.

2002-04-12  Richard Henderson  <rth@redhat.com>

        PR bootstrap/4191
        * config/d30v/d30v.h (INIT_SECTION_ASM_OP): Don't undef.

        * flow.c (mark_used_reg): Manage reg_cond_dead properly for
        modes spanning multiple hard regs.

        * recog.c (peephole2_optimize): Rebuild jump labels as needed.

2002-04-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.c (pa_output_function_prologue): Don't accumulate the total
        number of code bytes when using TARGET_64BIT, or gas, SOM and not
        the portable runtime.
        (output_deferred_plabels): Handle 64bit plabels.
        (output_cbranch): Use $PIC_pcrel$0 for pc relative relocations when
        generating pic code using the GAS assembler for object formats that
        are not SOM (ie., ELF32 and ELF64).
        (output_millicode_call): Check attribute type if attribute length is 28.
        Likewise use $PIC_pcrel$0.  Only call get_attr_length and
        dbr_sequence_length once.
        (output_call): Likewise use $PIC_pcrel$0, and call get_attr_length and
        dbr_sequence_length once.
        * pa.h (TARGET_SOM): Define if not defined.
        * pa.md (pattern to load address of label): Likewise use $PIC_pcrel$0
        with GAS and not SOM.
        (jump, call_internal_reg, call_value_internal_reg): Likewise.
        * som.h (OBJ_SOM): Rename to TARGET_SOM.  Undefine before defining.

2002-04-11  David O'Brien  <obrien@FreeBSD.org>

        * config/freebsd.h (NO_IMPLICIT_EXTERN_C, SCCS_DIRECTIVE): Give value.
        (DEFAULT_PCC_STRUCT_RETURN) Do not redefine.
        (USER_LABEL_PREFIX, HANDLE_SYSV_PRAGMA, IDENT_ASM_OP,
        DWARF2_DEBUGGING_INFO, DBX_DEBUGGING_INFO, PREFERRED_DEBUGGING_TYPE):
        elfos.h and dbxelf.h values are fine now.
        * config/i386/freebsd.h, config/alpha/freebsd.h
        (DEFAULT_PCC_STRUCT_RETURN): Define to 0.

2002-04-11  David O'Brien  <obrien@FreeBSD.org>

        * config/ia64/aix.h (CPP_PREDEFINES): Do not define _LP64/__LP64__
        or set Acpu or Amachine.  Reformat.
        (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not
        define.
        (LINK_SPEC): Do not need to undef.
        * config/ia64/elf.h (ASM_EXTRA_SPEC): Define.
        * config/ia64/freebsd.h (LINK_SPEC): Do not need to undef.
        (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not
        define.
        * config/ia64/hpux.h (ASM_EXTRA_SPEC): Define.
        (ASM_SPEC): Do not define, use ASM_EXTRA_SPEC instead.
        (LINK_SPEC): Do not need to undef.
        (DONT_USE_BUILTIN_SETJMP): Do not define.
        * config/ia64/ia64.h (ASM_SPEC, ASM_EXTRA_SPEC): Add.
        (CPP_CPU_SPEC): Define _LP64, set Acpu and Amachine.  Remove -Dia64.
        (DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Define.
        Remove trailing spaces.
        * config/ia64/linux.h (CPP_PREDEFINES): Do not define _LP64/__LP64__,
        __ELF__, or set Acpu or Amachine.  Reformat.
        (ASM_SPEC, DONT_USE_BUILTIN_SETJMP, PROFILE_BEFORE_PROLOGUE): Do not
        define.

2002-04-11  David O'Brien  <obrien@FreeBSD.org>

        * config.gcc (ia64-*-freebsd*): Fix ordering of tm_files to match
        all other *-*-freebsd* targets.

2002-04-11  Richard Henderson  <rth@redhat.com>

        * config.gcc (alpha*-*-linux*ecoff): Detect and reject.

2002-04-11  David O'Brien  <obrien@FreeBSD.org>

        * config.gcc (alpha*-*-openbsd, alpha64-dec-*vms,alpha*-dec-*vms):
        Include {cpu}/{cpu}.h thru tm_file.
        (alpha*-*-linux*ecoff): Remove target.
        * config/alpha/elf.h (CPP_SUBTARGET_SPEC): Define __ELF__.
        (LINK_SPEC): Remove, is not OS independent.
        * config/alpha/freebsd.h (CPP_SPEC): Do not define __ELF__.
        (LINK_SPEC): Do not need to #undef any longer.
        * config/alpha/linux-ecoff.h (LINK_SPEC): Do not need to #undef
        any longer.
        * config/alpha/linux-elf.h (SUB_CPP_PREDEFINES): Do not define
        __ELF__.
        (LINK_SPEC): Moved here from alpha/elf.h.
        * config/alpha/linux.h (CPP_PREDEFINES): No longer consumer of
        SUB_CPP_PREDEFINES.
        * config/alpha/linux-ecoff.h: Remove.
        * config/alpha/netbsd.h (CPP_PREDEFINES): Do not define __ELF__.
        (CPP_SPEC): Define _POSIX_SOURCE as needed.
        (CPP_SUBTARGET_SPEC): Do not define.
        (LINK_SPEC): Do not need to #undef any longer.
        * config/alpha/openbsd.h: Do not directly include alpha/alpha.h.
        * config/alpha/vms.h: Likewise.

2002-04-11  Richard Sandiford  <rsandifo@redhat.com>

        * doc/extend.texi: Remove old claim that typedefs cannot have
        an alignment attribute.

2002-04-11  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/6177
        * expr.c (expand_expr) [COMPONENT_REF]: Handle op0 CONCAT if
        bitpos is 0 and bitsize CONCAT size.

2002-04-11  Jakub Jelinek  <jakub@redhat.com>

        PR c/6223
        * combine.c (if_then_else_cond): Use trunc_int_for_mode on nz.

2002-04-10  David O'Brien  <obrien@FreeBSD.org>

        * config/alpha/freebsd.h: Minor reformatting.
        (CPP_SPEC): Define ELF and add cpp_subtarget.
        (ASM_SPEC): No longer needed.

2002-04-11  Richard Henderson  <rth@redhat.com>

        * config/sparc/sparc.md (movdi_insn_sp32): Add o/J alternative.
        (movdi_insn_sp32_v9): Likewise.  Only allow stx with aligned memory.
        (dimode mem/zero splitter): New.

2002-04-11  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.c (cris_override_options): Tweak error message
        for PIC not implemented.

        * config/cris/cris.h: Tweak comments related to parameter-passing.

        * t-cris (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc here.

2002-04-10  Richard Henderson  <rth@redhat.com>

        * except.c (add_ehl_entry): Allow duplicates after landing pad
        creation.

2002-04-10  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/t-aix43 (SHLIB_NM_FLAGS): Add -X32_64.

2002-04-10  Toon Moene  <toon@moene.indiv.nluug.nl>

        * c-decl.c (c_init_decl_processing): Move generation of
        decls for g77_integer_type_node and friends from here ...
        * c-common.c (c_common_nodes_and_builtins): ... to here.

2002-04-10  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload1.c (choose_reload_regs): HARD_FRAME_POINTER_REGNUM
        is only used as frame pointer when frame_pointer_needed is true.

2002-04-10  Richard Earnshaw  <rearnsha@arm.com>

        PR target/817
        * arm.md (arm_movdi): Adjust neg_pool_range attribute to allow
        for the fact that the pool entry uses two words.
        (movdf_hard_insn): Similarly.  Also, ADR instruction can span
        1k bytes.
        (movdf_soft_insn): Similarly.
        (movxf_hard_insn): Adjust neg_pool_range attribute to allow
        for the fact that the pool entry uses three words.

2002-04-10  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.c (mips_va_arg): When using the struct version
        of the EABI va_list, allow arguments in the register save area to
        take up less room than a stack argument.

2002-04-10  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_expr) [INTEGER_CST]: Don't force into registers
        if EXPAND_INITIALIZER.

2002-04-09  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (movdi_er_maybe_g): New.
        * config/alpha/alpha.c (alpha_expand_mov): Use it.

2002-04-10  Alan Modra  <amodra@bigpond.net.au>

        PR optimization/6233
        * rtlanal.c (pure_call_p): New function.
        * rtl.h (pure_call_p): Declare.
        * loop.c (prescan_loop): Use it to set has_nonconst_call.
        * gcse.c (store_killed_in_insn): Use pure_call_p here too.

2002-04-09  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.h (ASM_OUTPUT_ALIGNED_DECL_COMMON): Add additional
        information to .comm directive.

2002-04-09  Richard Henderson  <rth@redhat.com>

        PR c/5078
        * expr.c (expand_expr) [INTEGER_CST]: Force overflows into registers.

2002-04-09  Richard Henderson  <rth@redhat.com>

        * basic-block.h (flow_delete_block_noexpunge): Declare.
        (expunge_block_nocompact): Declare.
        * cfg.c (expunge_block_nocompact): Split out from ...
        (expunge_block): ... here.
        * cfgrtl.c (can_delete_label_p): Don't use exception_handler_labels.
        (flow_delete_block_noexpunge): Split out from ...
        (flow_delete_block): ... here.
        * cfgcleanup.c (delete_unreachable_blocks): Compact while
        removing dead blocks.
        * except.c (exception_handler_labels): Remove.
        (exception_handler_label_map): New.
        (struct eh_region): Add aka member.
        (mark_ehl_map_entry, mark_ehl_map, free_region): New.
        (ehl_hash, ehl_eq, ehl_free, add_ehl_entry): New.
        (for_each_eh_label, for_each_eh_label_1): New.
        (init_eh): Register exception_handler_label_map.
        (free_eh_status): Use free_region.
        (find_exception_handler_labels): Use the map, not the list.
        (remove_exception_handler_label): Likewise.
        (maybe_remove_eh_handler): Likewise.
        (remove_eh_handler): Use the region aka bitmap.
        * except.h (exception_handler_labels): Remove.
        (for_each_eh_label): Declare.
        * jump.c (rebuild_jump_labels): Don't check exception_handler_labels.
        * loop.c (invalidate_loops_containing_label): New.
        (find_and_verify_loops): Use it.  Use for_each_eh_label.
        * sched-rgn.c (is_cfg_nonregular): Use
        current_function_has_exception_handlers.

2002-04-09  Richard Henderson  <rth@redhat.com>

        * sbitmap.c (sbitmap_union_of_diff, sbitmap_a_and_b, sbitmap_a_xor_b,
        sbitmap_a_or_b, sbitmap_a_or_b_and_c, sbitmap_a_and_b_or_c):
        Do not return changed status.
        (sbitmap_union_of_diff_cg, sbitmap_a_and_b_cg, sbitmap_a_xor_b_cg,
        sbitmap_a_or_b_cg, sbitmap_a_or_b_and_c_cg, sbitmap_a_and_b_or_c_cg):
        New functions that do return changed status.
        * sbitmap.h: Update decls.
        * gcse.c, lcm.c: Use _cg functions as needed.

Tue Apr  9 19:15:57 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * config.gcc (sh-*-elf*): Use sh/embed-elf.h instead of sh/elf.h.
        (sh64-*-elf*, sh-*-rtemself*): Likewise.
        * config/sh/embed_bb.c: New file.
        * config/sh/embed-elf.h: New file.
        * sh.h (CPP_SPEC): Supply __SIZE_TYPE__ and __PTRDIFF_TYPE__
        if -m[12345]* option is given.  Don't use subtarget_cpp_ptr_spec.
        (CPP_DEFAULT_CPU_SPEC): Add settings for __SIZE_TYPE__ and
        __PTRDIFF_TYPE__ .
        (SUBTARGET_CPP_PTR_SPEC): Don't define.
        (EXTRA_SPECS): Remove subtarget_cpp_ptr_spec.
        Add subtarget_asm_endian_spec.
        (ASM_SPEC): Use subtarget_asm_endian_spec.
        (SUBTARGET_ASM_ENDIAN_SPEC): Define.
        (RETURN_ADDR_RTX): Use PR_MEDIA_REG for TARGET_SH5.
        (WCHAR_UNSIGNED): Define.
        (SH_ELF_WCHAR_TYPE, SH_DBX_REGISTER_NUMBER): Define.
        (DBX_REGISTER_NUMBER): Use SH_DBX_REGISTER_NUMBER.
        (ALLOCATE_INITIAL_VALUE): Use PR_MEDIA_REG for TARGET_SH5.
        Fix value.
        * sh.c (calc_live_regs): Use PR_MEDIA_REG for TARGET_SH5.
        (sh_adjust_cost): Likewise.
        sh64.h (CPP_DEFAULT_CPU_SPEC): Add settings for __SIZE_TYPE__ and
        __PTRDIFF_TYPE__ .
        (SUBTARGET_CPP_PTR_SPEC, WCHAR_TYPE): Don't #undef/ #define.
        (WCHAR_TYPE_SIZE): Likewise.
        (ASM_SPEC): Use subtarget_asm_endian_spec.
        (SH_ELF_WCHAR_TYPE): #undef/ #define.
        (MAX_WCHAR_TYPE_SIZE): Don't #undef.
        * config/sh/elf.h (WCHAR_UNSIGNED): #undef .
        (MAX_WCHAR_TYPE_SIZE): Don't #define .
        (WCHAR_TYPE, WCHAR_TYPE_SIZE): #undef / #define .
        (USER_LABEL_PREFIX): Don't #undef /#define .
        (DBX_REGISTER_NUMBER): Use SH_DBX_REGISTER_NUMBER.
        * config/elf/linux.h (USER_LABEL_PREFIX): Don't #undef /#define .
        (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE, WCHAR_TYPE_SIZE): Likewise.
        (ASM_SPEC): Likewise.
        (SUBTARGET_ASM_ENDIAN_SPEC): #undef / #define .
        (CC1_SPEC): don't supply -m3 for -m4*, -m5*.
        * t-sh: (LIB1ASMFUNCS): Use LIB1ASMFUNCS_CACHE.
        (LIB2FUNCS_EXTRA): Define.
        * t-sh64 (LIB2FUNCS_EXTRA): Define.
        * config/sh/t-linux (LIB1ASMFUNCS): Don't redefine.
        (LIB1ASMFUNCS_CACHE): Define.
        (LIB2FUNCS_EXTRA): Redefine empty.

2002-04-08  Richard Henderson  <rth@redhat.com>

        * reorg.c (get_branch_condition): Use reversed_comparison_code.

2002-04-09  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/larith.asm (__map_data_section): Fix condition
        and optimize for size.
        (__do_global_ctors): Fix pointer comparison.
        (__do_global_dtors): Likewise.

2002-04-09  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.c (sparc_extra_constraint_check): New
        function, implementing EXTRA_CONSTRAINTS.  For memory constraints,
        allow reloading pseudos.
        * config/sparc/sparc.h (EXTRA_CONSTRAINTS): Use it.
        * config/sparc/sparc-protos.h: Declare it.

        * config/sparc/sparc.c (const64_is_2insns): Kill signed vs.
        unsigned comparison warning.
        (output_restore_regs): Mark leaf_function as unused.

Tue Apr  9 09:35:45 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (is_aligning_offset): New function.
        (expand_expr, case COMPONENT_EXPR): Call it.

2002-04-08  David S. Miller  <davem@redhat.com>

        PR target/6082
        * config/sparc/freebsd.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDLOW

        Make init_priority work on Sparc when using GNU ld.
        * config/sparc/linux.h, config/sparc/linux64.h,
        config/sparc/netbsd-elf.h, config/sparc/freebsd.h
        (CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP): Undefine.
        * config/sparc/sol2-gld.h: New file to do the same.
        * config.gcc (sparc*-*-solaris2*): If gnu_ld=yes add
        sparc/sol2-gld.h to tm_file.

        PR optimization/4328
        * config/sparc/sparc.h (EXTRA_CONSTRAINT): Add new constraint 'W'.
        * doc/md.texi: Document it.
        * config/sparc/sparc.md (movdi_insn_sp64_novis,
        movdi_insn_sp64_vis, movdf_insn_sp32, movdf_insn_v9only_novis,
        movdf_insn_v9only_vis, movdf_insn_sp64_novis,
        movdf_insn_sp64_vis): Use it as MEM constraing with 'e' registers.
        * config/sparc/sparc.c (mem_min_alignment): Fix comment.

2002-04-08  Andreas Jaeger  <aj@suse.de>

        * stmt.c (expand_asm_operands): Revert last patch from Richard
        Henderson.

2002-04-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi (Contributors): Add John David Anglin and Loren
        J. Rittle (the latter also to Testers).  Update David O'Brien's entry.

2002-04-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi (Contributors): Add David O'Brien.

2002-04-08  Alan Modra  <amodra@bigpond.net.au>

        * configure.in (auto-build.h): Use target_alias and build_alias
        when running configure.
        (gcc_cv_as, gcc_cv_ld): Search install paths when build != host too.
        (gcc_cv_nm, gcc_cv_objdump): Set for build != host too.
        * configure: Regenerate.

2002-04-07  David S. Miller  <davem@redhat.com>

        * config.gcc (sparc64-*-linux*): Add t-crtfm to tmake_file.

2002-04-07  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        PR 5933
        * pa.h (ASM_OUTPUT_MI_THUNK): Use indirect jump to target function when
        generating 32-bit pic code.

2002-04-06  Jason Thorpe  <thorpej@wasabisystems.com>

        * cppinit.c (cpp_create_reader): Initialize
        discard_comments_in_macro_exp.
        (COMMAND_LINE_OPTIONS): Add "-CC" option.
        (cpp_handle_option): Handle "-CC" option.
        * cpplex.c (save_comment): If saving a C++ comment in
        a directive, convert it to a C comment.
        (_cpp_lex_direct): Pass second comment start character to
        save_comment to indicate comment type.
        * cpplib.c (_cpp_handle_directive): If processing
        a "#define" directive and discard_comments_in_macro_exp
        is false,  re-enable saving of comments.
        (lex_macro_node): If discard_comments_in_macro_exp is false,
        discard any comments before the macro identifier.
        * cpplib.h (struct cpp_options): Add discard_comments_in_macro_exp
        member.
        * cppmacro.c (cpp_get_token): If expanding a macro while
        processing a directive, discard any comments we might encounter.
        (parse_params): If discard_comments_in_macro_exp is false,
        ignore comments in the macro parameter list.
        * gcc.c (cpp_unique_options): Add "-CC" option.
        (option_map): Map "--comments-in-macros" to "-CC".
        * doc/cppopts.texi: Document "-CC" option.
        * f/lang-specs.h: Add "-CC" option.
        * testsuite/gcc.dg/cpp/maccom1.c: New test.
        * testsuite/gcc.dg/cpp/maccom2.c: New test.
        * testsuite/gcc.dg/cpp/maccom3.c: New test.
        * testsuite/gcc.dg/cpp/maccom4.c: New test.
        * testsuite/gcc.dg/cpp/maccom5.c: New test.
        * testsuite/gcc.dg/cpp/maccom6.c: New test.

2002-04-06  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        PR middle-end/6180
        * reorg.c (dbr_schedule): Don't reposition prologue and epilogue notes.

2002-04-06  Mark Mitchell  <mark@codesourcery.com>

        PR c++/5571
        * stor-layout.c (layout_decl): Reset the RTL for the decl.

        PR opt/5120
        * sibcall.c (optimize_sibling_and_tail_recursive_call): Clear
        RTX_UNCHANGING_P for the functions arguments when a tail call
        is made.

2002-04-06  Jason Merrill  <jason@redhat.com>

        * toplev.c (flag_no_inline, flag_really_no_inline): Default to 2.
        (parse_options_and_default_flags): Set them appropriately.
        * c-common.c (c_common_post_options): Don't set flag_really_no_inline.

2002-04-06  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/t-mmix (TARGET_LIBGCC2_CFLAGS): Don't -Dinhibit_libc
        here.

        * config/mmix/mmix.h (INITIAL_ELIMINATION_OFFSET): Remove spurious
        semicolon.

        * config/mmix/mmix.c (mmix_expand_builtin_va_arg): Variable-size
        types come in by-reference.  Fix typo in comment.

2002-04-05  David S. Miller  <davem@redhat.com>

        * config/sparc/freebsd.h (ENDFILE_SPEC): Add crtfastmath bits.
        * config.gcc (sparc64-wrs-vxworks, sparc-*-chorusos,
        sparc-*-rtems*, sparclite-*-elf* sparc86x-*-elf*, sparc64-*-elf*,
        {sparc64,ultrasparc}-*-freebsd*): Add sparc/t-crtfm to tmake_file.

2002-04-05  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.c (sparc_nonflat_function_epilogue): If we
        are not going to emit return instructions, emit at least a nop
        for the sake of sane backtraces.

2002-04-05  Richard Henderson  <rth@redhat.com>

        * doc/rtl.texi (Regs and Memory): Document (mem:BLK (scratch)).

2002-04-05  Jakub Jeilnek  <jakub@redhat.com>

        * mklibgcc.in: Use $tmpmapfile, not tmp-$@.

2002-04-05  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (ISA_HAS_BRANCHLIKELY, ISA_HAS_CONDMOVE,
        ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB,
        ISA_HAS_CLZ_CLO, ISA_HAS_DCLZ_DCLO): Disable if TARGET_MIPS16.

2002-04-05  Andreas Schwab  <schwab@suse.de>

        * c-convert.c: Include c-common.h.
        * Makefile.in (c-convert.o): Updated.

2002-04-05  Jakub Jelinek  <jakub@redhat.com>

        * mklibgcc.in: Use separate libgcc.map for each multilib.
        * Makefile.in (distclean): Don't remove libgcc.map here.

2002-04-05  Jakub Jelinek  <jakub@redhat.com>

        * Makefile.in (s-mlib): Handle --disable-multilib by separate
        genmultilib invocation.

2002-04-04  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (CUMULATIVE_ARGS): Rename fp_regs to num_fprs
        to avoid clash with Irix header file sys/ucontext.h.  Rename gp_regs
        to num_gprs for symmetry.
        * config/mips/mips.c: Adjust accordingly.

2002-04-04  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (truthvalue_conversion): Rename, update.
        * c-common.h (c_common_truthvalue_conversion): New.
        * c-convert.c (convert): Update.
        * c-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.
        * c-parse.in (expr_no_commas, if_prefix, select_or_iter_stmt): Update.
        * c-typeck.c (build_binary_op, build_unary_op,
        build_conditional_expr): Update.
        * fold-const.c (constant_boolean_node, fold): Use langhook.
        * langhooks-def.h (LANGHOOK_INITIALIZER): Update.
        * langhooks.h (struct lang_hooks): New hook.
        * stmt.c (expand_decl_cleanup): Use langhook.
        * tree.h (truthvalue_conversion): Remove.
objc:
        * objc-lang.c (LANG_HOOKS_TRUTHVALUE_CONVERSION): Redefine.

2002-04-05  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/t-linux64 (EXTRA_MULTILIB_PARTS): Add crtsavres.o
        Add rules to make null object file.

2002-04-04  Jim Blandy  <jimb@redhat.com>

        * cppmacro.c (cpp_macro_definition): Do not emit spaces after
        macro formal parameter names.

2002-04-04  David S. Miller  <davem@redhat.com>

        * calls.c (store_one_arg): If ECF_SIBCALL, use tail_call_reg.

2002-04-04  Richard Henderson  <rth@redhat.com>

        PR middle-end/5099
        * stmt.c (expand_asm_operands): Validate outputs vs asm_operand_ok.
        Support copies into and out of memory.  Don't accept allows_reg
        and allows_mem as gospel.

2002-04-04  Richard Henderson  <rth@redhat.com>

        PR opt/6165
        * alias.c (true_dependence): Force (mem:blk (scratch)) to conflict.
        (write_dependence_p): Likewise.

2002-04-04  Richard Henderson  <rth@redhat.com>

        * predict.c (estimate_bb_frequencies): Do frequency calculation
        with a volatile temporary.

2002-04-04  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/linux.h (LOCAL_LABEL_PREFIX): Define.

2002-04-04  Jakub Jelinek  <jakub@redhat.com>

        PR c++/6119
        * final.c (final_start_function): Don't bump profile_label_no here...
        (final_end_function): ...but here.

2002-04-04  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.md (pic): New attribute.
        (do_builtin_setjmp_setup): Save %fp, %i7 and %l7 for TARGET_V9
        into stack slots.
        (split after do_builtin_setjmp_setup): New.

2002-04-04  Jakub Jelinek  <jakub@redhat.com>

        PR fortran/6106
        * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Backout 2001-01-01
        change.

2002-04-04  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.c (sparc_va_arg): Adjust va_list by
        UNITS_PER_WORD for zero sized aggregates.

2002-04-03  David S. Miller  <davem@redhat.com>

        * gcc.c (LINK_GCC_C_SEQUENCE_SPEC): No need for a new
        one-character spec for this, just use %(link_gcc_c_sequence).

2002-04-03  David S. Miller  <davem@redhat.com>

        * config/sparc/crtfastmath.c (FPRS_NS): Delete bogus little-endian
        handling.

2002-04-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa-linux.h (INCOMING_RETURN_ADDR_RTX): Move.
        (DWARF_FRAME_RETURN_COLUMN): Move.
        (ASM_PREFERRED_EH_DATA_FORMAT): Define.
        (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Define.
        * pa.c (except.h, predict.h): Include.
        (FRP): Delete.
        (store_reg_modify, set_reg_plus_d): Revise prototypes.
        (output_ascii): Add cast.
        (store_reg_modify): Revise to add frame notes.
        (set_reg_plus_d): Likewise.
        (compute_frame_size): Include space for eh data registers in frame if
        the current function calls eh_return.
        (hppa_expand_prologue):  Ensure register %r2 is saved if the current
        function calls eh_return.  Save eh data registers if the current
        function calls eh_return.  Fix code to add frame notes.  Emit
        blockage to prevent insns with frame notes being scheduled in the
        delay slot of calls.
        (hppa_expand_epilogue): Restore eh data registers and do final stack
        adjustment if the current function calls eh_return.  Don't add frame
        notes.
        (output_call): Revise for change in length of call insn.  Don't do
        return pointer adjustment for an unconditional jump in the delay slot
        of a call when using frame notes.
        * pa.h (EH_RETURN_DATA_REGNO): Revise for TARGET_64BIT compatibility.
        (EH_RETURN_HANDLER_RTX): Use saved value on stack.
        (ARG_POINTER_CFA_OFFSET): Define.
        * pa.md (return_external_pic): New pattern.
        (prologue): Correct formatting.  Use return_external_pic if current
        function calls eh_return.
        (call_internal_symref, call_value_internal_symref,
        sibcall_internal_symref, sibcall_value_internal_symref): Change default
        lengths of short, long non-pic, and long pic calls to 8, 68, and 84,
        respectively.
        (exception_receiver): Use hppa_pic_save_rtx () to restore pic register.

        * configure.in ("assembler dwarf2 debug_line support"): Add hppa*-*-* to
        list of targets to check using "nop" insn.
        * configure: Rebuilt.

2002-04-04  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/t-linux64 (EXTRA_MULTILIB_PARTS): Define.

2002-04-03  David S. Miller  <davem@redhat.com>

        * gcc.c (LINK_GCC_C_SEQUENCE_SPEC): New spec to override the gcc/c
        library sequence passed to the linker.
        (LINK_COMMAND_SPEC): Use it.
        * doc/tm.texi: Document it, and mention from LINK_COMMAND_SPEC as
        a macro a target can use to avoid overriding LINK_COMMAND_SPEC.
        * config/sparc/sparc.h (LINK_GCC_C_SEQUENCE_SPEC): Define.

2002-04-03  Jason Merrill  <jason@redhat.com>

        * except.c (struct eh_status): Remove protect_list.
        (begin_protect_partials, end_protect_partials): Remove.
        (add_partial_entry): Remove.
        * except.h: Remove prototypes.

        * expr.c (expand_expr) [WITH_CLEANUP_EXPR, TARGET_EXPR]: Use
        expand_decl_cleanup_eh.

        PR c++/5636
        * tree.h (CLEANUP_EH_ONLY): New macro.
        * stmt.c (expand_decl_cleanup_eh): New fn.
        (expand_cleanups): Check CLEANUP_EH_ONLY.
        * c-semantics.c (genrtl_decl_cleanup): Just take the CLEANUP_STMT.
        Use expand_decl_cleanup_eh.
        (expand_stmt): Adjust.
        * c-common.h: Adjust prototype.

2002-04-04  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.c (cris_target_asm_function_prologue): Cast
        uses of PIC_OFFSET_TABLE_REGNUM to int to silence warnings.
        (cris_target_asm_function_epilogue): Ditto.
        (cris_initial_frame_pointer_offset): Ditto.
        (cris_simple_epilogue): Ditto.
        (cris_expand_builtin_va_arg): Variable-size types come in
        by-reference.

2002-04-03  David S. Miller  <davem@redhat.com>

        * config/sparc/crtfastmath.c (FPRS_NS): Get it right for
        little-endian.
        (set_fast_math): Correct 'fsr' type.

2002-04-03  Richard Henderson  <rth@redhat.com>

        PR opt/3569
        * langhooks.h (lang_hooks.decls.warn_unused_global): New.
        * toplev.c (check_global_declarations): Use it.
        * langhooks-def.h (lhd_warn_unused_global_decl): Declare.
        (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.
        (LANG_HOOKS_DECLS): Add it.
        * langhooks.c (lhd_warn_unused_global_decl): New.
        * c-decl.c (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.
        * c-objc-common.c (c_warn_unused_global_decl): New.
        * c-tree.h (c_warn_unused_global_decl): Declare.
        * objc/objc-lang.c (LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL): New.

2002-04-03  Neil Booth  <neil@daikokuya.demon.co.uk>

        * langhooks-def.h (lhd_set_decl_assembler_name,
        LANG_HOOKS_SET_DECL_ASSEMBLER_NAME): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.c (lhd_set_decl_assembler_name): New, from tree.c
        * langhooks.h (struct lang_hooks): New hook.
        * tree.c (set_decl_assembler_name): Move to langhooks.c.
        (lang_set_decl_assembler_name): Remove.
        (init_obstacks): Don't set hook.
        (decl_assembler_name): New function.
        * tree.h (DECL_ASSEMBLER_NAME): Turn into a function call.
        (decl_assembler_name): New.
        (lang_set_decl_assembler_name): Remove.

2002-04-03  Jakub Jelinek  <jakub@redhat.com>

        * configure.in (HAVE_SPARC_UA_PCREL_HIDDEN): Test whether %r_disp32()
        works properly with .hidden symbols.
        * configure: Rebuilt.
        * config.in: Rebuilt.
        * config/sparc/sparc.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
        DW_EH_PE_absptr for flag_pic && GLOBAL if %r_disp32() doesn't work
        properly with .hidden symbols.

2002-04-03  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/6102
        * df.c (df_insn_refs_record): Use XEXP not SET_DEST to access
        USE argument.

2002-04-03  Richard Henderson  <rth@redhat.com>

        PR opt/4120
        * sched-rgn.c (sets_likely_spilled): New.
        (sets_likely_spilled_1): New.
        (add_branch_dependences): Use it.

2002-04-02  Richard Henderson  <rth@redhat.com>

        PR opt/4311
        * loop.h (LOOP_FIRST_PASS): New.
        * loop.c (strength_reduce): Mind it when deciding to unroll.
        * toplev.c (rest_of_compilation): Set it.

2002-04-02  David S. Miller  <davem@redhat.com>

        * config/sparc/sparc.md (ldd peephole2s): Fix final arg to
        mems_ok_for_ldd_peep when the order of the loads being examined
        is reversed.
        * config/sparc/sparc.c (mems_ok_for_ldd_peep): Expand upon
        existing comment to increase comprehension of this situation.

2002-04-02  Zack Weinberg  <zack@codesourcery.com>

        * config/sh/sh.md: Don't use union real_extract.

2002-04-02  Richard Henderson  <rth@redhat.com>

        * libgcc2.c (__bb_exit_func): Revert 03-31 change.

2002-04-02  David O'Brien  <obrien@FreeBSD.org>

        * config.gcc (i386-dg-dgux, i386-go32-msdos , i386-go32-rtems,
        i386-ibm-aix, i386-moss-msdos, i386-ncr-sysv4, i386-next-,
        i386-pc-msdosdjgpp, i386-sequent-bsd, i386-sequent-ptx1,
        i386-sequent-ptx2, i386-sequent-ptx4, i386-sun-sunos,
        i386-wrs-vxworks, i386-*-aout, i386-*-beoself, i386-*-bsd,
        i386-*-bsdi, i386-*-chorusos, i386-*-coff, i386-*-elf,
        i386-*-freebsd5, i386-*-freebsd-aout, i386-*-gnu, i386-*-interix,
        i386-*-interix3, i386-*-isc, i386-*-linux, i386-*-linuxaout,
        i386-*-linuxoldld, i386-*-lynxos, i386-*-mach, i386-*-mingw32,
        i386-*-netbsd, i386-*-netbsdelf, i386-*-netware, i386-*-openbsd,
        i386-*-osf1, i386-*-osfrose, i386-*-pe , i386-*-rtems,
        i386-*-rtemscoff, i386-*-sco3.2v5, i386-*-solaris2, i386-*-sysv,
        i386-*-sysv4, i386-*-sysv5, i386-*-udk, i386-*-uwin, i386-*-vsta,
        i386-*-win32, x86_64-*-freebsd5, x86_64-*-linux, x86_64-*-netbsd):
        Include as many configury headers via tm_file as possible.  This
        includes among others i386/unix.h, i386/bsd.h, i386/gas.h.
        * config/openbsd-oldgas.h: New file.
        * config/i386/386bsd.h, config/i386/aix386ng.h, config/i386/att.h,
        config/i386/bsd.h, config/i386/djgpp.h, config/i386/freebsd-aout.h,
        config/i386/gas.h, config/i386/gstabs.h, config/i386/i386-aout.h,
        config/i386/i386-coff.h, config/i386/i386-interix.h,
        config/i386/iscdbx.h, config/i386/linux-aout.h,
        config/i386/linux-oldld.h, config/i386/lynx-ng.h, config/i386/lynx.h,
        config/i386/mach.h, config/i386/netbsd.h, config/i386/next.h,
        config/i386/openbsd.h, config/i386/osfelf.h, config/i386/osfrose.h,
        config/i386/sco5.h, config/i386/seq-gas.h, config/i386/seq-sysv3.h,
        config/i386/seq2-sysv3.h, config/i386/sequent.h, config/i386/sun.h,
        config/i386/sun386.h, config/i386/svr3dbx.h, config/i386/svr3gas.h,
        config/i386/sysv3.h, config/i386/uwin.h, config/i386/vsta.h,
        config/i386/vxi386.h: Do not directly include configury headers.
        * config/i386/cygwin.h, config/i386/djgpp.h, config/i386/win32.h:
        Directly include configury headers that are no longer automatically
        included by the above headers.
        * config/i386/att.h, config/i386/bsd.h (TARGET_VERSION): Do not define.
        * config/i386/386bsd.h, config/i386/aix386ng.h, config/i386/cygwin.h,
        config/i386/djgpp.h, config/i386/i386-aout.h, config/i386/i386-coff.h,
        config/i386/lynx-ng.h, config/i386/lynx.h, config/i386/mach.h,
        config/i386/netbsd.h, config/i386/openbsd.h, config/i386/rtems.h,
        config/i386/seq-sysv3.h, config/i386/sequent.h, config/i386/svr3gas.h,
        config/i386/sysv3.h, config/i386/vsta.h, config/i386/vxi386.h
        (TARGET_VERSION): Define.
        * config/i386/beos-elf.h, config/i386/freebsd.h,
        config/i386/i386-interix.h, config/i386/i386elf.h, config/i386/linux.h,
        config/i386/linux64.h, config/i386/netbsd-elf.h, config/i386/netbsd64.h,
        config/i386/osfelf.h, config/i386/osfrose.h, config/i386/ptx4-i.h,
        config/i386/sco5.h, config/i386/sysv4.h
        (TARGET_VERSION): Do not need to protect.
        * config/i386/freebsd64.h (TARGET_VERSION): Fix style.
        * config/i386/386bsd.h, config/i386/cygwin.h, config/i386/djgpp.h,
        config/i386/freebsd-aout.h, config/i386/i386-aout.h,
        config/i386/i386-interix.h, config/i386/linux-aout.h,
        config/i386/linux-oldld.h, config/i386/mach.h, config/i386/netbsd.h,
        config/i386/openbsd.h, config/i386/vsta.h, config/i386/win32.h
        (YES_UNDERSCORES): Do not define - not needed.
        * config/i386/bsd.h, config/i386/gas.h (LPREFIX,
        ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL,
        USER_LABEL_PREFIX): Do not handle the "NO_UNDERSCORES" case.
        * config/i386/i386-coff.h, config/i386/lynx.h, config/i386/lynx-ng.h
        (LPREFIX, ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL,
        USER_LABEL_PREFIX): Define. (handles the "NO_UNDERSCORES" case)
        * config/i386/isc.h: Preserve comment from config/i386/isccoff.h.
        * config/i386/isccoff.h, config/i386/v3gas.h: Remove.

2002-04-02  Eric Botcazou  <ebotcazou@multimania.com>
            Richard Henderson  <rth@redhat.com>

        PR c/5484
        * function.c (assign_temp): Accept either type or decl argument.
        Detect variables whose size is too large to fit into an integer.
        * stmt.c (expand_decl): Pass the decl, not the type.

2002-04-02  David O'Brien  <obrien@FreeBSD.org>

        * protoize.c: Match include directory usage with cppdefault.c.

2002-04-03  Jeffrey A Law  (law@redhat.com)
            Hans-Peter Nilsson  <hp@bitrange.com>

        * combine.c (simplify_comparison): Avoid narrowing a comparison
        with a paradoxical subreg when doing so would drop signficant bits.

2002-04-02  Steve Ellcey  <sje@cup.hp.com>

        * builtins.c (expand_builtin_prefetch): Force op0 pointer to Pmode
        if POINTERS_EXTEND_UNSIGNED is defined.

2002-04-02  Richard Henderson  <rth@redhat.com>

        PR opt/3967
        * local-alloc.c (contains_replace_regs): LO_SUM may contain
        replace regs.

2002-04-02  Richard Henderson  <rth@redhat.com>

        * doc/standards.texi: Document required freestanding libc entry points.

2002-04-02  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md (ctrdi*): Add FPR constraint and
        associated splitter.  Remove MQ constraint.
        (ctrdi_internal4): Correct CCmode clobber.

2002-04-02  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * milli64.S ($$dyncall): New function.
        * t-linux (LIB1ASMFUNCS): Revise module list.
        (LIB1ASMSRC): Use pa/milli64.S.

2002-04-02  Richard Henderson  <rth@redhat.com>

        * fixinc/inclhack.def (AAB_solaris_sys_varargs_h): Move and
        rename solaris_sys_varargs_h.

Tue Apr  2 06:47:40 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * stor-layout.c (layout_type, case ARRAY_TYPE): Give one-element array
        the same mode as its component.

2002-04-02  Richard Henderson  <rth@redhat.com>

        PR opt/190
        * final.c (this_is_asm_operands): Export.
        * output.h (this_is_asm_operands): Declare.
        * config/i386/i386.c (print_operand): Error odd asm operands.

2002-04-02  Richard Henderson  <rth@redhat.com>

        PR opt/420
        * config/m68k/m68k.md (dbcc peepholes): Match four forms of dbra.

2002-04-01  Richard Henderson  <rth@redhat.com>

        PR target/1538
        * fixinc/inclhack.def (solaris_sys_varargs_h): New.
        * fixinc/fixincl.x: Rebuild.

2002-04-01  Richard Henderson  <rth@redhat.com>

        * config/ia64/unwind-ia64.c: Include ia64intrin.h.
        (atomic_alloc, atomic_free): New.
        (SIZE, MASK_FOR, PTR_IN): New.
        (emergency_reg_state, emergency_reg_state_free): New.
        (emergency_labeled_state, emergency_labeled_state_free): New.
        (reg_state_alloced, labeled_state_alloced): New.
        (alloc_reg_state, free_reg_state): New.
        (alloc_label_state, free_label_state, free_label_states): New.
        (push, pop, dup_state_stack, free_state_stack): Use them.
        (desc_label_state): Likewise.
        (uw_frame_state_for): Free label states and state stack.
        (uw_update_reg_address): Eliminate warnings.

2002-04-01  Vladimir Makarov  <vmakarov@redhat.com>

        * config/pa/pa-pro-end.h (ASM_OUTPUT_ALIGNED_COMMON,
        ASM_OUTPUT_ALIGNED_LOCAL): Redefine them.

2002-04-01  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-decl.c (grokdeclarator): Update.
        * c-lang.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine.
        * c-tree.h (c_mark_addressable): New.
        * c-typeck.c (default_function_array_conversion, build_unary_op,
        build_array_ref, convert_for_assignment): Update.
        (mark_addressable): Rename.
        * calls.c (try_to_integrate, expand_call): Use langhook.
        * expr.c (expand_expr): Use langhook.
        * langhooks-def.h (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.h (struct lang_hooks): New hook.
        * stmt.c (expand_asm_operands): Use langhook.
        * tree.h (mark_addressable): Remove.
objc:
        * objc-lang.c (LANG_HOOKS_MARK_ADDRESSABLE): Redefine.

2002-04-01  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_va_arg): Fix compiler warning
        in previous change.

2002-04-01  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_va_arg): Fix to handle arguments
        for which MUST_PASS_IN_STACK is true (e.g., variable-sized types).

2002-04-01  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (unsigned_conversion_warning, convert_and_check,
        unsigned_type, signed_type, shorten_compare,
        c_common_get_alias_set, c_common_nodes_and_builtins): Use new hooks.
        (unsigned_type, signed_type, signed_or_unsigned_type): Rename.
        * c-common.h (unsigned_type, signed_type, signed_or_unsigned_type):
        New.
        * c-decl.c (grokdeclarator): Update.
        * c-format.c (check_format_types): Update.
        * c-lang.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
        LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New.
        * c-typeck.c (build_binary_op, convert_for_assignment): Update.
        * convert.c (convert_to_integer): Use new hooks.
        * expmed.c (make_tree): Use new hooks.
        * expr.c (store_expr): Use new hooks.
        * fold-const.c (operand_equal_for_comparison_p, build_range_check,
        all_ones_mask_p, unextend, fold): Use new hooks.
        * langhooks.h (struct lang_hooks_for_types): New hooks.
        * tree.h (signed_or_unsigned_type, signed_type,
        unsigned_type): Remove.
objc:
        * objc-lang.c (LANG_HOOKS_SIGNED_TYPE, LANG_HOOKS_UNSIGNED_TYPE,
        LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): New.

2002-03-31  Richard Henderson  <rth@redhat.com>

        * config/ia64/unwind-ia64.c (alloc_spill_area): Fix offset.
        (desc_frgr_mem): Fix reference to f16-f31.

2002-03-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * rtl.h (RTL_CHECK1, RTL_CHECK2, RTL_CHECKC1, RTL_CHECKC2,
        RTVEC_ELT): Const-ify.
        * varray.h (VARRAY_CHECK): Const-ify.
        * ggc.h (ggc_mark_rtx, ggc_mark_tree, ggc_mark_nonnull_tree,
        ggc_mark_rtvec, ggc_mark): Const-ify.

2002-04-01  Neil Booth  <neil@daikokuya.demon.co.uk>

        * diagnostic.c: Include langhooks-def.h.
        * Makefile.in (diagnostic.o): Update.

2002-03-31  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (c_unsafe_for_reeval): Rename.
        * c-common.h (c_unsafe_for_reeval): Rename.
        * c-decl.c (finish_incomplete_decl): Rename.
        (c_init_decl_processing): Don't set langhook.
        * c-lang.c (LANG_HOOKS_FINISH_INCOMPLETE_DECL,
        LANG_HOOKS_UNSAFE_FOR_REEVAL): Redefine.
        * c-objc-common.c (c_objc_common_init): Don't set langhook.
        * c-tree.h (finish_incomplete_decl): Rename.
        * langhooks-def.h (lhd_unsafe_for_reeval): New.
        (LANG_HOOKS_FINISH_INCOMPLETE_DECL, LANG_HOOKS_UNSAFE_FOR_REEVAL): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.c (lhd_unsafe_For_reeval): New.
        * langhooks.h (struct langhooks): New hooks.
        * toplev.c (incomplete_decl_finalize_hook): Remove.
        (wrapup_global_declarations): Update.
        * tree.c (lang_unsafe_for_reeval): Remove.
        (unsafe_for_reeval): Update.
        * tree.h (lang_unsafe_for_reeval, incomplete_decl_finalize_hook):
        Remove.
objc:
        * objc-lang.c (LANG_HOOKS_FINISH_INCOMPLETE_DECL,
        LANG_HOOKS_UNSAFE_FOR_REEVAL): Redefine.

2002-03-31  Neil Booth  <neil@daikokuya.demon.co.uk>

        * diagnostic.c (print_error_function): Remove.
        (default_print_error_function): Rename.
        (report_error_function): Update.
        * diagnostic.h (print_error_function): Remove.
        (default_print_error_function): Remove.
        * langhooks-def.h (struct diagnostic_context): Predeclare.
        (lhd_print_error_function, LANG_HOOKS_PRINT_ERROR_FUNCTION): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.h (struct diagnostic context): Predeclare.
        (struct lang_hooks): New hook.

2002-03-31  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * config/rs6000/rs6000.h (RS6000_PIC_OFFSET_TABLE_REGNUM): New.
        (PIC_OFFSET_TABLE_REGNUM): Use it and return INVALID_REGNUM if
        !flag_pic.
        (CONDITIONAL_REGISTER_USAGE): Adjust accordingly.
        * config/rs6000/rs6000.h: Use RS6000_PIC_OFFSET_TABLE_REGNUM instead
        of PIC_OFFSET_TABLE_REGNUM thruout.
        * config/rs6000/rs6000.md: Likewise.
        * config/rs6000/darwin.h: Likewise.

Sun Mar 31 14:43:24 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * emit-rtl.c (adjust_address_1, offset_address): Cast value to
        unsigned HOST_WIDE_INT, not unsigned int.

2002-03-31  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/6096, middle-end/6098, middle-end/6099
        * reorg.c (emit_delay_sequence): Only increment LABEL_NUSES for
        CODE_LABELs.
        (fill_slots_from_thread): Likewise.

2002-03-31  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.c (function_arg_record_value_1): Pass complex
        floating fields in float regs.
        (function_arg_record_value_2): Likewise.

2002-03-31  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md (define_constants): Remove misleading
        FIXME.  Add MMIX_fp_rO_OFFSET.
        ("nonlocal_goto_receiver"): Don't have stack-frame address of
        saved rO as part of the pattern.  Remove FIXME.
        ("*nonlocal_goto_receiver_expanded"): Similar.  Generate address
        here, at output-time.

2002-03-31  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/6100
        * config/sparc/sparc.c (output_cbranch): Use REG_BR_PROB, not
        REG_BR_PRED.
        (output_v9branch): Likewise.

2002-03-31  Alexandre Oliva  <aoliva@redhat.com>

        * gcc.c: Revert previous patch for now.
        * config/i386/djgpp.h: Likewise.

2002-03-31  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/crti.asm (_init): Register _fini with atexit.
        * config/mmix/crtn.asm (_fini): Add omitted "POP 0,0".

2002-03-31  Richard Henderson  <rth@redhat.com>

        PR target/3997
        * config/alpha/elf.h (ASM_OUTPUT_DEF): Tidy.
        (ASM_OUTPUT_DEF_FROM_DECLS): New.

2002-03-31  Richard Henderson  <rth@redhat.com>

        * libgcc2.c (__bb_exit_func): Make static.

        * config/alpha/alpha.md (trap): New.

2002-03-31  Richard Henderson  <rth@redhat.com>

        * builtins.c (expand_builtin_va_arg): Give warnings not errors for
        promoted argument types; build trap.
        (expand_builtin_trap): New.
        (expand_builtin): Use it.
        * stmt.c (expand_nl_goto_receivers): Likewise.
        * expr.h (expand_builtin_trap): Declare.
        * libfuncs.h (LTI_abort, abort_libfunc): New.
        * optabs.c (init_optabs): Init abort_libfunc.

2002-03-31  Alexandre Oliva  <aoliva@redhat.com>

        * gcc.c (LIBGCC_SPEC): Folded %L and duplicate %G here...
        (LINK_COMMAND_SPEC): ... from here.
        (init_gcc_specs): Duplicate it here too, omitting
        shared_name in the second copy.
        (init_spec): Test for duplicate
        * config/i386/djgpp.h (LINK_COMMAND_SPEC): Remove `%L %G'.

2002-03-30  David S. Miller  <davem@redhat.com>

        * config/sparc/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
        * config/sparc/linux64.h (HANDLE_PRAGMA_PACK_PUSH_POP): Likewise.

2002-03-30  Roger Sayle <roger@eyesopen.com>
            Richard Henderson  <rth@redhat.com>

        * regmove.c (combine_stack_adjustments_for_block): Avoid
        emitting a stack adjustment of zero bytes.  Let delete_insn
        update bb->head.

2002-03-30  Richard Henderson  <rth@redhat.com>

        * config/sparc/sparc.c: Remove all references to TARGET_EPILOGUE.
        (sparc_emitting_epilogue): New.
        (leaf_label, output_return, sparc_return_peephole_ok): Remove.
        * config/sparc/sparc-protos.h: Update.
        * config/sparc/sparc.h (MASK_EPILOGUE, TARGET_EPILOGUE): Remove.
        (TARGET_SWITCHES): Update.
        * config/sparc/sparc.md (return): Remove.
        (return_*): Use sparc_emitting_epilogue, not !TARGET_EPILOGUE.
        * config/sparc/freebsd.h, config/sparc/linux64.h, config/sparc/lite.h,
        config/sparc/liteelf.h, config/sparc/netbsd-elf.h,
        config/sparc/sol2-sld-64.h, config/sparc/sol2.h,
        config/sparc/sp64-aout.h, config/sparc/sp64-elf.h,
        config/sparc/sp86x-aout.h, config/sparc/sp86x-elf.h,
        config/sparc/splet.h, config/sparc/vxsparc64.h (TARGET_DEFAULT):
        Remove MASK_EPILOGUE.
        * doc/invoke.texi: Update.

2002-03-30  Daniel Berlin  <dan@dberlin.org>

        * dwarf2out.c (dwarf2out_define): Remove start_source_file call,
        CPP will start the file for us.

2002-03-30  Richard Henderson  <rth@redhat.com>

        PR target/5446
        * config/ia64/ia64.c (group_barrier_needed_p): Special case
        prologue_allocate_stack.
        (ia64_single_set): Use insn codes for recognition of special
        cases, not rtl matching.
        * config/ia64/ia64.md (prologue_allocate_stack): Op 3 is in-out.

Sat Mar 30 23:48:41 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgbuild.c (find_basic_blocks_1): Clear aux for blocks.

2002-03-30  Richard Henderson  <rth@redhat.com>

        PR target/6032
        * config/sparc/sparc.h (OVERRIDE_OPTIONS): Don't override -fpic
        or -fomit-frame-pointer with profiling.
        (SUBTARGET_OVERRIDE_OPTIONS): Remove.
        (FUNCTION_PROFILER): Do nothing.
        (PROFILE_HOOK): New.
        * config/sparc/sparc.c (sparc_override_options): Don't check
        code models for profiling.
        (sparc_function_profiler): Remove.
        (sparc_profile_hook): New.
        * config/sparc/sparc-protos.h: Update.

2002-03-30  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/6086
        * combine.c (combine_simplify_rtx): If simplify_rtx failed because
        of SUBREG of volatile MEM or because the MEM was mode dependent,
        return CLOBBER instead of unmodified SUBREG.

Sat Mar 30 14:08:55 CET 2002  Jan Hubicka  <jh@suse.cz>

        * local-alloc.c (local_alloc): Avoid call of update_equiv_regs
        when not optimizing.

        * toplev.c (rest_of_compilation): Cann mark_constant_function
        only when optimizing.

        * flow.c (calculate_global_regs_live): Ensure that all AUX fields
        are NULL.

        * cfgcleanup.c (bb_flags): Add BB_NONTHREADABLE_BLOCK.
        (thread_jump): Set BB_NONTHREADABLE_BLOCK, check it.
        (try_optimize_cfg): clear all AUX fields.

        * i386.c (aligned_operand): Be prepared for SUBREGed registers.
        (ix86_decompose_address): Use REG_P instead of GET_CODE (...) == REG.
        (ix86_address_cost): Be prepared for SUBREGed registers.
        (legitimate_address_p): Accept SUBREGed registers.

2002-03-29  Richard Henderson  <rth@redhat.com>

        PR target/5672
        * expr.c (expand_expr): Pass along EXPAND_INITIALIZER one more place.

2002-03-29  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * config/rs6000/rs6000.c (rs6000_va_arg): Correctly set register count
        for aggregate and TFmode types.

2002-03-29  Hans-Peter Nilsson  <hp@bitrange.com>

        * cfg.c (dump_flow_info): Guard against NULL regno_reg_rtx[i].

2002-03-29  Richard Henderson  <rth@redhat.com>

        PR target/5886
        * config/ia64/aix.h (CPP_PREDEFINES): Add -D_LP64.
        * config/ia64/hpux.h, config/ia64/linux.h: Likewise.

2002-03-29  Richard Henderson  <rth@redhat.com>

        PR target/6041
        * config/i386/i386.c (x86_arch_always_fancy_math_387): New.
        (override_options): Disable NO_FANCY_MATH_387 if the arch allows.
        * config/i386/i386.h (x86_arch_always_fancy_math_387): New.
        * config/i386/i386.md (sqrtxf2, sqrtextendsfxf2, sinxf2): Fix
        conditional.
        * docs/invoke.texi: Update -mno-fancy-math-387 docs.

2002-03-29  Dale Johannesen <dalej@apple.com>

        * loop.c (combine_movables): Do allow combination of pseudos.

2002-03-29  Loren J. Rittle  <ljrittle@acm.org>

        * config.gcc (*-*-freebsd*): Enable creation of libgcc_s.so.
        * config/t-slibgcc-elf-ver (SHLIB_LC): Add macro and use it.
        No functional change except ...
        * config/t-slibgcc-nolc-override (SHLIB_LC): Override it.  New file.
        * doc/install.texi (*-*-freebsd*): Document port configuration.

2002-03-29  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in (convert.o, calls.o, expmed.o): Update.
        * attribs.c (handle_mode_attribute, handle_vector_size_attribute):
        Use new hooks.
        * builtin-types.def (BT_PTRMODE): Update.
        * c-common.c (type_for_size): Rename c_common_type_for_size.
        (type_for_mode): Similarly.
        (shorten_compare, pointer_int_sum, c_common_nodes_and_builtins):
        Use new hook.
        * c-bommon.h (c_common_type_for_size, c_common_type_for_mode): New.
        * c-decl.c (finish_enum, build_enumerator): Use new hooks.
        * c-lang.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIZE):
        Redefine.
        * c-typeck.c (common_type, comptypes, default_conversion):
        Use new hooks.
        * calls.c: Include langhooks.h.
        (emit_library_call_value_1): Use new hooks.  Avoid redundant
        calls.
        * convert.c: Include langhooks.h
        (convert_to_pointer, convert_to_integer): Use new hooks.
        * except.c (init_eh): Similarly.
        * expmed.c: Include langhooks.h.
        (expand_mult_add): Use new hooks.
        * expr.c (store_expr, store_constructor, expand_expr, do_jump,
        try_casesi): Similarly.
        * fold-const.c (optimize_bit_field_compare, make_range,
        decode_field_reference, fold_truthop, fold): Similarly.
        * function.c (assign_stack_local_1, assign_stack_temp_for_type,
        put_var_into_stack): Similarly.
        * langhooks-def.h (LANG_HOOKS_TYPE_FOR_MODE,
        LANG_HOOKS_TYPE_FOR_SIZE): New.
        (LANG_HOOKS_TYPES_INITIALIZER): Update.
        * langhooks.h (lang_hooks_for_types): New hooks.
        * stmt.c (expand_decl_cleanup, emit_case_nodes): Use new hooks.
        * tree.c (get_unwidened, get_narrower): Similarly.
        * tree.h (type_for_mode, type_for_size): Remove.
        * varasm.c (force_const_mem): Use new hooks.
        * utils2.c (nonbinary_modular_operation): Update.
objc:
        * objc-act.c (handle_impent): Update.
        * objc-lang.c (LANG_HOOKS_TYPE_FOR_MODE, LANG_HOOKS_TYPE_FOR_SIaZE):
        Redefine.

2002-03-29  Steve Ellcey  <sje@cup.hp.com>

        * config/ia64/ia64.md (*ptr_extend_plus_1, *ptr_extend_plus_2): New.
        * config/ia64/ia64.c (basereg_operand): New.
        * config/ia64/ia64-protos.h (basereg_operand): Declare.
        * config/ia64/ia64.h (PREDICATE_CODES): Add basereg_operand.

2002-03-29  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c (mmix_target_asm_function_prologue): Correct
        unwind information when frame_pointer_needed.
        (mmix_assemble_integer): Tweak wording in comment.

2002-03-29  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in (except.o): Update.
        * except.c: Include langhooks.h.
        (init_eh): Use langhook.
        * langhooks-def.h (LANG_HOOKS_MAKE_TYPE,
        LANG_HOOKS_FOR_TYPES_INITIALIZER): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.h (lang_hooks_for_types): New.
        (struct lang_hooks): Add it.
        * tree.c (make_lang_type_fn, make_lang_type): Remove.
        * tree.h (make_lang_type_fn, make_lang_type): Remove.
config:
        * alpha/alpha.c: Include langhooks.h.
        (alpha_build_va_list): Use langhook.
        * d30v/d30v.c: Include langhooks.h.
        (d30v_build_va_list): Use langhook.
        * i386/i386.c: Include langhooks.h.
        (ix86_build_va_list): Use langhook.
        * rs6000/rs6000.c (rs6000_build_va_list): Use langhook.
        * s390/s390.c: Include langhooks.h.
        (s390_build_va_list): Use langhook.
        * stormy16/stormy16.c: Include langhooks.h.
        (stormy16_build_va_list): Use langhook.

2002-03-29  Jakub Jelinek  <jakub@redhat.com>

        PR c++/5964
        * config/sparc/sparc.md (empty_delay_slot, branch_type): New
        attributes.
        (length): Compute variable length for branches/calls/jumps here.
        (branch, inverted_branch, normal_fp_branch, inverted_fp_branch,
        normal_fpe_branch, inverted_fpe_branch): Remove length attribute,
        define branch_type attribute.
        (divsi3_sp32): Maximum length is 6 not 7.
        (call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
        call_address_untyped_struct_value_sp32,
        call_symbolic_untyped_struct_value_sp32): Set length to 3 not 2.
        * config/sparc/sparc.c (empty_delay_slot): New function.
        * config/sparc/sparc.h (ADJUST_INSN_LENGTH): Remove.
        * config/sparc/sparc-protos.h (empty_delay_slot): Add prototype.

2002-03-29  Jakub Jelinek  <jakub@redhat.com>

        * combine.c (set_nonzero_bits_and_sign_copies): Don't call
        nonzero_bits if not needed.
        (nonzero_bits) [XOR]: Likewise.
        (nonzero_bits) [REG]: Use reg_last_set_nonzero_bits even if
        reg_last_set_mode and mode are both MODE_INT, but not equal.
        (record_value_for_reg): Compute reg_last_set_nonzero_bits
        in nonzero_bits_mode for MODE_INT modes.

2002-03-28  Richard Henderson  <rth@redhat.com>

        PR target/5715
        * config/alpha/osf.h (ASM_SPEC): Don't pass any special options
        to GAS.  Correct drift between alternatives.

2002-03-28  Richard Henderson  <rth@redhat.com>

        PR target/6087
        * reload1.c (fixup_abnormal_edges): Move insn to edge via sequence.

2002-03-28  Alexandre Oliva  <aoliva@redhat.com>

        * config/i386/freebsd.h (LINK_SPEC): Don't pass default
        emulation to the linker.

2002-03-28  Loren J. Rittle  <ljrittle@acm.org>

        * config/alpha/freebsd.h (LINK_SPEC): Likewise.
        * config/sparc/freebsd.h (LINK_SPEC): Likewise.

Thu Mar 28 16:35:31 2002  Jeffrey A Law  (law@redhat.com)

        * combine.c (simplify_and_const_int): Make sure to apply mask
        when force_to_mode returns a constant integer.  PR3311.

2002-03-28  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa-linux.h (LOCAL_LABEL_PREFIX): Define.

2002-03-28  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/invoke.texi (Warning Options): Refer to C++ Dialect Options
        and Objective-C Dialect Options.

2002-03-28  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_emit_conditional_branch): TFmode NE
        comparison should be done vs !=0 not >0 return code.  Tidy cases.

2002-03-28  Richard Henderson  <rth@redhat.com>

        * c-decl.c (finish_function): New arg can_defer_p.  Pass it
        on to c_expand_body.
        * c-tree.h (finish_function): Update decl.
        * c-objc-common.c, c-parse.in, objc/objc-act.c: Update calls.

Thu Mar 28 19:13:36 CET 2002  Jan Hubicka  <jh@suse.cz>

        * ifcvt.c (if_convert): Clear aux_for_blocks early enought.

Thu Mar 28 13:21:53 CET 2002  Jan Hubicka  <jh@suse.cz>

        * rtlanal.c: Include flags.h
        (may_trap_p): Do not mark FP operations if trapping
        if !flag_trapping_math
        * Makefile.in (rtlanal.o): Add dependency on flag.h
        * ifcvt.c (noce_operand_ok): Avoid the lameness.

2002-03-27  Zack Weinberg  <zack@codesourcery.com>

        * mips.md: Use dconst1, not 1.0, as first argument of
        REAL_VALUE_LDEXP.  Don't use union real_extract.

2002-03-28  Alan Modra  <amodra@bigpond.net.au>

        * configure.in (gcc_cv_as): Use $target_alias in directory searchs
        rather than $target.  Heed program_prefix and
        program_transform_name.  Search for gas in cross-compiler case too.
        "test -x" rather than "test -f".
        (gcc_cv_ld): Likewise.
        (gcc_cv_nm): Heed program_prefix and program_transform_name.
        (gcc_cv_objdump): Likewise.
        * configure: Regenerate.

2002-03-27  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in (attribs.o): Update.
        * attribs.c: Include langhooks.h.
        (decl_attributes): Use langhook.
        * c-decl.c (insert_default_attributes): Rename.
        * c-tree.h (c_insert_default_attributes): New.
        * langhooks-def.h (LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES):New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.h (struct lang_hooks): New hook.
        * tree.h (insert_default_attributes): Remove.
objc:
        * objc-lang.c (LANG_HOOKS_INSERT_DEFAULT_ATTRIBUTES): Redefine.

2002-03-27  Andreas Schwab  <schwab@suse.de>

        * config/i386/i386.c (classify_argument): Also check for
        QUAL_UNION_TYPE.

2002-03-27  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * doc/install.texi (alpha*-dec-osf*): Don't need --enable-libgcj
        any more.

Wed Mar 27 23:19:30 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i960.md (ret): Set PC.
        (nonlocal_goto): Fix expander.
        * builtins.c (epxand_builin_longjmp): Check that we've emitted
        some jump or call.

Wed Mar 27 23:11:35 CET 2002  Jan Hubicka  <jh@suse.cz>

        * optabs.c (emit_no_conflict_block, emit_libcall_block): Avoid nesting
        of libcall regions.

Wed Mar 27 22:54:14 CET 2002  Zdenek Dvorak <rakdver@atrey.karlin.mff.cuni.cz>

        * cfgrtl.c (merge_blocks_nomove): Use set_block_for_insn instead of
        assigning to BLOCK_FOR_INSN directly.

Wed Mar 27 22:33:05 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386.c (ix86_output_addr_diff_elt): Remove binutils bug workaround.

2002-03-27  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.c (c_expand_expr): Fix prototype.
        * c-common.h (c_expand_expr): Always declare, update.
        * c-lang.c (LANG_HOOKS_EXPAND_EXPR): Redefine.
        * c-objc-common.c (c_objc_common_init): No global hook.
        * expr.c (expand_expr): Use langhook.
        * expr.h (enum expand_modifier): Conditionally declare.
        * langhooks-def.h (lhd_expand_expr, LANG_HOOKS_EXPAND_EXPR): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.c (lhd_expand_expr): New.
        * langhooks.h (struct lang_hooks): New hook.
        * toplev.c (lang_expand_expr_t, lang_expand_expr): Delete.
        (lang_independent_init): Don't default hook.
objc:
        * objc-lang.c (LANG_HOOKS_EXPAND_EXPR): Redefine.

2002-03-27  Richard Henderson  <rth@redhat.com>

        PR target/6054
        * config/ia64/ia64.c (ia64_expand_call): Use pic patterns for
        TARGET_CONST_GP.  Simplify conditions.

2002-03-27  Richard Henderson  <rth@redhat.com>

        * config/sparc/freebsd.h, config/sparc/linux.h, config/sparc/linux64.h,
        config/sparc/netbsd-elf.h, config/sparc/pbd.h, config/sparc/sol2.h,
        config/sparc/vxsim.h (LOCAL_LABEL_PREFIX): Define.

2002-03-27  Danny Smith  <dannysmith@users.sourceforge.net>

        * config/i386/cygwin.h (TARGET_DLL, TARGET_WIN32,
        TARGET_CYGWIN, TARGET_WINDOWS): Remove unused switches.
        (MASK_DLL, MASK_WIN32, MASK_CYGWIN, MASK_WINDOWS):
        Remove unnecessary masks.
        (MASK_NOP_FUN_DLLIMPORT): Use an unused an bit.
        (SUBTARGET_SWITCHES): Use empty masks for -mwin32, -mcygwin,
        -mwindows, -mdll switches and their negations.

2002-03-27  Neil Booth  <neil@daikokuya.demon.co.uk>

        * gcc-common.c (lang_mark_false_label_stack): Remove.
        * ggc.h (lang_mark_false_label_stack): Similarly.

2002-03-26  Vladimir Makarov  <vmakarov@redhat.com>

        * pa/pa-pro-end.h (CPP_PREDEFINES): Add -D__pro__.

        * pa/lib2funcs.asm: Don't use .SPACE and .SUBSPACE if __pro__
        or __rtems_ is defined.

2002-03-26  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_emit_set_const): Add a REG_EQUAL note
        if a non-trivial load was emitted.
        (alpha_emit_set_const_1): Remove obsolete extension.  Fix thinko
        in high+extra+low case.

2002-03-26  Richard Henderson  <rth@redhat.com>

        * config.gcc (sparc*-solaris): Use float_format=sparc.

2002-03-26  Richard Henderson  <rth@redhat.com>

        * config/sparc/sparc.h (MAX_WCHAR_TYPE_SIZE): Don't define.
        * config/sparc/linux-aout.h (MAX_WCHAR_TYPE_SIZE): Don't undef.
        * config/sparc/linux.h, config/sparc/linux64.h: Likewise.
        * config/sparc/sol2.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Redefine.
        (WINT_TYPE_SIZE): Fix at 32.

2002-03-26  Richard Henderson  <rth@redhat.com>

        * toplev.c (rest_of_compilation): Delay emit_initial_value_sets
        until after eh landing pad generation.
        * config/alpha/alpha.c (alpha_gp_save_rtx): Use gen_mem_addressof.
        * config/alpha/alpha.md (exception_receiver_2): Only accept MEMs.

2002-03-26  Richard Henderson  <rth@redhat.com>

        * expr.h (ADD_PARM_SIZE): One more convert for INC.

2002-03-26  Phil Edwards  <pme@gcc.gnu.org>

        * gcc.c (cpp_options):  Preserve relative ordering of -pedantic
        and warning switches.
        (cc1_options):  Likewise.

2002-03-26  Hans Boehm <Hans_Boehm@hp.com>

        * config/ia64/linux.h (MD_FALLBACK_FRAME_STATE_FOR):
        Restore more of the signal context.  Set no_reg_stack_frame.
        * config/ia64/unwind-ia64.c (unw_state_record):
        Add no_reg_stack_frame, comments.
        (uw_frame_state_for): Initialize when field to UNW_WHEN_NEVER.
        (uw_update_context): Adjust bsp when unwinding from leaf,
        but not signal frame.

2002-03-26  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix51.h (WCHAR_TYPE): Define.

2002-03-26  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_va_arg): Handle variable-sized types.

2002-03-26  Richard Earnshaw  <rearnsha@arm.com>

        PR target/5621
        * arm.md (define_asm_attributes): Reapply patch of Thu Sep 9, 1999:
        "Add a pool_range attribute", which was lost during the ARM/Thumb
        merge.

2002-03-26  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_valid_move): Allow move from
        a register into the MAC16 accumulator.

2002-03-26  Andrew Cagney  <ac131313@redhat.com>

        * doc/invoke.texi (Option Summary): Mention -Wswitch-enum.
        (Warning Options): Document -Wswitch-enum.
        * toplev.c (W_options): Add -Wswitch-enum.  Update comment on
        -Wswitch.
        (warn_switch_enum): Define variables.
        * flags.h (warn_switch_enum): Declare variables.
        * stmt.c (expand_end_case_type): When warn_switch_enum /
        -Wswitch-enum, perform switch checks.
        Fix PR c/5044.

2002-03-26  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md (reload_mulsi3, reload_mulsi_compare0, reload_muladdsi)
        (reload_mulsi_compare0_scratch, reload_muladdsi_compare0)
        (reload_muladdsi_compare0_scratch): Delete.

2002-03-26  Loren J. Rittle  <ljrittle@acm.org>

        * doc/install.texi (*-*-freebsd*): Update.

2002-03-26  Richard Henderson  <rth@redhat.com>

        * expr.h (ADD_PARM_SIZE): Cast INC to ssizetype.
        (SUB_PARM_SIZE): Cast DEC to ssizetype.

        * config/alpha/alpha.c (alpha_va_arg): Read MUST_PASS_IN_STACK
        types from the normal argument frame.

        * config/sparc/sparc.c (function_arg_pass_by_reference): Pass
        variable sized objects by reference.
        (sparc_va_arg): Receive them by reference too.

2002-03-26  Hartmut Penner  <hpenner@de.ibm.com>

        * config/s390/s390.c (s390_emit_epilogue): Change epilogue
        code to not restoring global registers.

2002-03-26  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in (ggc-common.o): Update.
        * c-decl.c (lang_mark_tree): Rename c_mark_tree.
        * c-lang.c (LANG_HOOKS_MARK_TREE): Redefine.
        * c-tree.h (c_mark_tree): New.
        * ggc-common.c: Include langhooks.h.
        (gcc_mark_trees): Use new langhook.
        * ggc-callbacks.c: Delete file.
        * ggc.h (lang_mark_tree): Remove.
        * langhooks-def.h (LANG_HOOKS_MARK_TREE): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.h (struct lang_hooks): New hook.
objc:
        * objc-lang.c (LANG_HOOKS_MARK_TREE): Redefine.

2002-03-25  Zack Weinberg  <zack@codesourcery.com>

        * doc/cpp.texi: Exclude entire Top node from printed manual.
        Move option index after directive index.  Insert page breaks
        before GFDL and concept index.  Index environment variables
        with command line options.
        * doc/cppenv.texi: Use @vtable for environment variable list.
        Add paragraph explaining semantics of empty elements in path
        variables.  Exclude a cross-reference to Fishkill from the
        manpage.  Remove an unnecessary cross-reference of the entry
        right above the referer.  Don't use @anchor in text that goes
        into manpage.
        * doc/cppopts.texi: Cross-reference the environment variables
        section, not the specific environment variable, for consistency.

2002-03-25  Richard Henderson  <rth@redhat.com>

        * recog.c (peephole2_optimize): Distribute EH_REGION -1 notes
        anywhere in the block.  Don't refer to insns that have been
        removed from the chain.  Iterate backward through the new insns.
        Don't refer to edges that have been removed.

2002-03-26  Alan Modra  <amodra@bigpond.net.au>

        * combine.c (simplify_comparison <ASHIFTRT, LSHIFTRT>): Correct
        test for overflow of constant.

2002-03-25  Richard Earnshaw  <rearnsha@arm.com>

        PR target/2623
        * arm.md (loadhi_preinc, loadhi_predec, loadhi_shiftpreinc)
        (loadhi_shiftpredec, loadhi-with-writeback peephole): Don't use
        these patterns on arm_archv4.

2002-03-25  Danny Smith  <dannysmith@sourceforge.users.net>

        * config/i386/mingw32.h (WINT_TYPE): Define as "short unsigned
        int".

2002-03-25  Zack Weinberg  <zack@codesourcery.com>

        * toplev.c: Don't include setjmp.h.  Kill float_handler_set,
        float_handled, float_handler, float_signal, set_float_handler,
        and do_float_handler.  Set handler for SIGFPE to crash_signal.
        * toplev.h: Don't prototype do_float_handler.

        * c-lex.c: Fold parse_float into lex_number.  Make warning
        about portability of hex float constants more informative, and
        don't issue it on top of a syntax error.
        * fold-const.c: Fold const_binop_1 and fold_convert_1 into
        their callers.
        * real.h: Define REAL_VALUE_ABS here...
        * simplify-rtx.c: ... not here.  Fold check_fold_consts,
        simplify_unary_real, simplify_binary_real, and
        simplify_binary_is2orm1 into their callers.
        * tree.c: Fold build_real_from_int_cst_1 into caller.

        * doc/tm.texi: Document REAL_VALUE_ABS and REAL_VALUE_NEGATIVE.

        * tsystem.h: Include float.h here...
        * libgcc2.c: ... not here.

2002-03-25  Nick Clifton  <nickc@cambridge.redhat.com>

        Fixes for: PR bootstrap/3591, target/5676
        * config/mcore/mcore.h (CC1_SPEC): Define only if not already
        defined.  Do not disable exceptions or rtti.
        * config/mcore/mcore-pe.h (CC1_SPEC): Define before including
        mcore.h.  Disable exceptions and rtti, since they are not
        supported by EPOC.

2002-03-25  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-decl.c (maybe_build_cleanup): Remove.
        * expr.c (expand_expr): Use langhook.
        * langhooks-def.h (lhd_return_null_tree,
        LANG_HOOKS_MAYBE_BUILD_CLEANUP): New.
        (LANGHOOKS_INITIALIZER): Update.
        * langhooks.c (lhd_return_null_tree): New.
        * langhooks.h (struct lang_hooks): New hook.
        * tree-inline.c (initialize_inlined_parameters): Use langhook.
        * tree.h (maybe_build_cleanup): Remove.

2002-03-25  Jakub Jelinek  <jakub@redhat.com>

        * regrename.c (build_def_use): Move recog_memoized
        before extract_insn.

2002-03-25  Jakub Jelinek  <jakub@redhat.com>

        PR target/6043
        * expr.c (emit_group_store): Handle storing into CONCAT.

2002-03-25  Jakub Jelinek  <jakub@redhat.com>

        * regrename.c (build_def_use): Share RTL between MATCH_OPERATOR and
        corresponding MATCH_DUP.

2002-03-24  Richard Henderson  <rth@redhat.com>

        * unroll.c (unroll_loop): Zero label_map.

        * gcse.c: Include except.h.
        * Makefile.in (gcse.o): Update.

2002-03-24  Richard Henderson  <rth@redhat.com>

        * varasm.c (asm_emit_uninitialised): Revert 2002-03-14 change.
        Do resolve_unique_section before shared data clause.

2002-03-24  Richard Henderson  <rth@redhat.com>

        * config/alpha/elf.h (STARTFILE_SPEC): Use crtbeginT with -static.

2002-03-24  Richard Henderson  <rth@redhat.com>

        * recog.c (peephole2_optimize): Split blocks when EH insns are
        generated in the middle of a block.  Do global life update if
        zapped EH edges.

2002-03-24  Richard Henderson  <rth@redhat.com>

        * mips.c (mips_function_value): Only promote_mode for non-libcalls.

2002-03-24  Neil Booth  <neil@daikokuya.demon.co.uk>

        preprocessor/3951
        * gcc.c (cpp_options): Pass -MD through as -MD not -M -MF.
        * cppinit.c (cpp_handle_option): Set no_ouput if -MD or -MMD.
        (init_dependency_output): Don't make no_output decision here.

2002-03-24  Andrew Cagney  <ac131313@redhat.com>

        * stmt.c (check_for_full_enumeration_handling): Remove tests of
        warn_switch.  Update description.
        (expand_end_case_type): Call check_for_full_enumeration_handling
        when warn_switch.

2002-03-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m68hc11_autoinc_compatible_p): New function.
        (m68hc11_split_move): Call it to see if the source and destination
        operands use the same direction auto inc/dec mode, otherwise make the
        source an offsetable memory operand and generate an add.

2002-03-24  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("*subsi3_zero_extendhi"): Allow address
        register for operand 2.
        ("*subsi3_zero_extendqi"): Likewise.
        ("*iorhi3_gen"): Do the operation on the upper bits and then lower
        bits so that it is compatible with a pop.
        ("*andhi3_gen"): Likewise.
        ("xorhi3"): Likewise.

2002-03-24  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppinit.c (cpp_handle_option): Set warn_endif_labels if
        -pedantic here...
        (cpp_post_options): ... not here.

2002-03-24  Neil Booth  <neil@daikokuya.demon.co.uk>
            Aldy Hernandez  <aldyh@redhat.com>

        Removal of separate preprocessor cpp0.

        * Makefile.in (GCC_PASSES, STAGESTUFF, LIBCPP_OBJS,
        cpp0, install-common): Update.
        * c-common.c (flag_preprocess_only): New.
        (c_common_init): Preprocess for -E.
        * c-common.h (flag_preprocess_only): New.
        * c-decl.c (c_decode_option): Handle -E and -std=c++98.
        * c-objc-common.c (c_init_decl_processing): Exit quickly
        for NULL return from c_common_init.
        * cpplib.h (cpp_preprocess_file): New.
        * cppmain.c (main, general_init, pfile, progname): Remove.
        (do_preprocessing): Rename cpp_preprocess_file, don't call
        cpp_finish.  Don't close stdout here.
        (setup_callbacks): Update prototype.
        * gcc.c (trad_capable_cpp, cpp_unique_options, default_compilers):
        Update.
        * tradcpp.c (main): Ignore -quiet.
objc:
        * lang-specs.h (default_compilers): Preprocess with cc1obj.

2002-03-24  Richard Henderson  <rth@redhat.com>

        PR optimization/5742
        * machmode.def: Add inner mode field to complex modes.
        * config/mips/mips.c (mips_function_value): Always define.  Add
        new argument to handle libcalls.
        * config/mips/mips.h (LIBCALL_VALUE): Use mips_function_value.
        (FUNCTION_VALUE): Likewise.
        * config/mips/abi64.h (FUNCTION_VALUE): Remove.
        * config/mips/mips-protos.h: Update.

2002-03-23  Richard Henderson  <rth@redhat.com>

        * config/sparc/sparc.c (sparc_emit_floatunsdi): New.
        * config/sparc/sparc-protos.h: Update.
        * config/sparc/sparc.md (floatunsdisf2, floatunsdidf2): New.

2002-03-23  Richard Henderson  <rth@redhat.com>

        * config/sparc/gmon-sol2.c (internal_mcount): Assume either
        _start or _init begins the text segment.

2002-03-23  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (RETURN_IN_MEMORY):  Cast to HOST_WIDE_INT
        not HOST_WIDEST_INT.
        (RS6000_ARG_SIZE): Remove unsigned cast of int_size_in_bytes.

2002-03-23  Richard Earnshaw  <rearnsha@arm.com>

        PR java/5489
        * arm.md (return, sibcall_epilogue): Pass const_true_rtx as the
        operand argument to output_return_instruction.
        * arm.c (arm_print_operand, case 'd'): If the operand is
        const_true_rtx then just return.
        (arm_print_operand, case 'D'): If the operand is const_true_rtx
        then abort.

2002-03-23  Andrew Cagney  <ac131313@redhat.com>

        * doc/invoke.texi (Option Summary): Mention -Wswitch-default.
        (Warning Options): Document -Wswitch-default.
        * toplev.c (W_options): Add -Wswitch-default.  Update comment on
        -Wswitch.
        (warn_switch_default): Define variable.
        (warn_switch): Update comment.
        * flags.h (warn_switch_default): Declare variable.
        (warn_switch): Update comment.
        * stmt.c (expand_end_case): Check for and, when
        warn_switch_no_default, warn of a missing default case.

2002-03-23  Alan Modra  <amodra@bigpond.net.au>

        * real.h (N): Special case 128 bit doubles.

        * combine.c (simplify_comparison): When widening modes, ignore
        sign extension on CONST_INTs.

2002-03-22  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (print_operand): Fix incorrect mode
        passed to adjust_address.  Fix comment formatting.


2002-03-22  Zack Weinberg  <zack@codesourcery.com>

        * real.h: Don't define REAL_INFINITY or REAL_IS_NOT_DOUBLE.
        Always make REAL_VALUE_TYPE a struct containing an array of
        HOST_WIDE_INT, not a double.  Tidy up the code deciding how
        big it is.  Don't declare or use union real_extract.

        * emit-rtl.c (init_emit_once), varasm.c (immed_real_const_1,
        decode_rtx_const, output_constant_pool), config/a29k/a29k.c
        (print_operand), config/arm/arm.c (output_move_double),
        config/arm/arm.md (consttable_4, consttable_8),
        config/romp/romp.c (output_fpops), config/s390/s390.h
        (ASM_OUTPUT_SPECIAL_POOL_ENTRY), config/xtensa/xtensa.c
        (xtensa_output_literal): Don't use union real_extract.

        * config/dsp16xx/dsp16xx.c (print_operand), config/i860/i860.c
        (sfmode_constant_to_ulong), config/ns32k/merlin.h
        (PRINT_OPERAND), config/ns32k/ns32k.c (print_operand),
        config/pdp11/pdp11.h (PRINT_OPERAND), config/we32k/we32k.h
        (PRINT_OPERAND): Don't use local version of union
        real_extract.

        * config/convex/convex.c (check_float_value), config/vax/vax.c
        (vax_float_literal), config/m88k/m88k.md (divdf3),
        config/dsp16xx/dsp16xx.md (fixuns_trunchfhi2),
        config/pdp11/pdp11.c (output_move_quad): Don't do host
        arithmetic on target floating point quantities.

        * config/a29k/a29k.md, config/dsp16xx/dsp16xx.c
        (output_dsp16xx_float_const): Don't test HOST_FLOAT_FORMAT.

        * fold-const.c (fold), simplify-rtx.c (simplify_binary_real):
        Use MODE_HAS_INFINITIES rather than #ifdef REAL_INFINITY.

        * real.c (earith): Test INFINITY rather than REAL_INFINITY;
        NANS implies INFINITY, so can drop #ifdef NANS inside #ifndef
        INFINITY.
        * print-rtl.c (print_rtx): Disable code which needs
        floating-point emulator.
        * libgcc2.c: Include float.h and use DBL_MANT_DIG,
        FLT_MANT_DIG, to define DF_SIZE and SF_SIZE, rather than
        depending on HOST_FLOAT_FORMAT to be defined properly.

        * config/1750a/1750a.c (get_double, float_label): Delete.
        (print_operand): Delete huge commented-out chunk.  Use
        REAL_VALUE_TO_DECIMAL.
        * config/1750a/1750a-protos.h: Delete prototypes of deleted
        functions.
        * config/convex/convex.h: Always set TARGET_FLOAT_FORMAT to
        IEEE_FLOAT_FORMAT.
        * config/i370/i370.h (PRINT_OPERAND [TARGET_HLASM version]):
        Use REAL_VALUE_TO_DECIMAL as ELF version does.
        * config/m88k/m88k.c (real_power_of_2_operand,
        legitimize_operand): Take the REAL_VALUE_TYPE and/or union
        real_extract out of the union; run the input through
        REAL_VALUE_TO_TARGET_DOUBLE, then plug the pair of longwords
        from that into the union.
        * config/pdp11/pdp11.c (output_move_double): Rearrange
        parentheses to make automatic indenter happy.

        * doc/tm.texi (Cross-compilation): Rename node to "Floating
        Point" and rewrite to describe current situation.  Also adjust
        documentation of REAL_VALUE_TO_TARGET_SINGLE and friends to
        match code.
        * doc/rtl.texi: Adjust cross reference.

2002-03-22  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa-protos.h (non_acc_reg_operand): Remove.
        (xtensa_valid_move, xtensa_preferred_reload_class): Define.
        * config/xtensa/xtensa.c (non_acc_reg_operand): Remove.
        (xtensa_valid_move, xtensa_preferred_reload_class): Define to
        prevent use of sp as a reload register.
        (xtensa_emit_move_sequence): Use xtensa_valid_move instead of
        non_acc_reg_operand.
        * config/xtensa/xtensa.h (PREDICATE_CODES): Remove non_acc_reg_operand.
        (PREFERRED_RELOAD_CLASS): Move code to xtensa_preferred_reload_class.
        * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
        movqi_internal): Use xtensa_valid_move instead of non_acc_reg_operand.

2002-03-22  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpphash.h (struct cpp_reader): Remove mls_line and mls_col.
        * cpplex.c (unterminated): Delete.
        (parse_string): No string literal may extend over multiple
        lines.  Suppress the error when preprocessing assembly.
        * cppmain.c (scan_translation_unit): Strings are single-line.

        * doc/cpp.texi: Update to match.

2002-03-22  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/5854
        * config/m68hc11/m68hc11.h (CONST_OK_FOR_LETTER_VALUE_P): Use K for 0.
        Shut up warnings.
        (CONST_DOUBLE_OK_FOR_LETTER_P): Use G for 0.0.
        (EXTRA_CONSTRAINT): Use S for non-push memory operand.
        * config/m68hc11/m68hc11.c (m68hc11_split_move): Handle setting from
        const0 if scratch register was not allocated.
        (m68hc11_reload_operands, m68hc11_gen_lowpart, m68hc11_gen_highpart,
        m68hc11_z_replacement): Replace gen_rtx (CONST_INT, VOIDmode, ...)
        with GEN_INT (...).
        (m68hc11_reorg): Compute BLOCK_FOR_INSN before reload_cse_regs.
        * config/m68hc11/m68hc11.md: Replace gen_rtx (CONST_INT, VOIDmode, ...)
        with GEN_INT (...) everywhere.  Remove constraints in define_split
        patterns.
        (movdi_internal, movdf_internal, movsi_internal, movsf_internal): Don't
        require scratch register for setting 0 into regs/non-pushable memory.

2002-03-22  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (MASK_RETURN_ADDR): Define.
        (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.

2002-03-22  Phil Edwards  <pme@gcc.gnu.org>

        * cpplib.h (struct cpp_options):  New member, warn_endif_labels.
        * cppinit.c (cpp_create_reader):  On by default.
        (cpp_handle_option):  Handle -W[no-]endif-labels.
        (cpp_post_options):  Also enable if -pedantic.
        * cpplib.c (do_else):  Use it.
        (do_endif):  Likewise.
        * doc/cppopts.texi:  Document new option.
        * doc/invoke.texi:  Document new option.

2002-03-22  Lars Brinkhoff  <lars@nocrew.org>

        * config/i386/i386.c, config/i386/i386.md: Change all occurences
        of GEN_INT (trunc_int_for_mode (...)) to gen_int_mode (...).

2002-03-22  Alexandre Oliva  <aoliva@redhat.com>

        * flow.c (calculate_global_regs_live): Clear aux fields of
        ENTRY and EXIT.

2002-03-22  Jakub Jelinek  <jakub@redhat.com>

        * config/v850/v850.c (v850_reorg): Only call alter_subreg on
        REG or MEM subregs, pass rtx * instead of rtx to it.
        * config/i860/i860.c (output_delayed_branch, output_delay_insn): Pass
        rtx * instead of rtx to alter_subreg.
        * config/m32r/m32r.c (gen_split_move_double): Likewise.
        * config/pj/pj.c (pj_output_rval): Likewise.

2002-03-22  Richard Henderson  <rth@redhat.com>

        PR target/3177
        * config/ia64/ia64.h (CUMULATIVE_ARGS): Add int_regs.
        (INIT_CUMULATIVE_ARGS, INIT_CUMULATIVE_INCOMING_ARGS): Update.
        * config/ia64/ia64.c (ia64_function_arg_advance): Set int_regs.
        (ia64_expand_prologue): Look at int_regs, not words, for number
        of incomming int regs.

2002-03-22  Andrew MacLeod  <amacleod@redhat.com>

        * expr.c (expand_expr): A RESULT_DECL is part of a call.

Fri Mar 22 16:30:42 CET 2002  Jan Hubicka  <jh@suse.cz>

        * toplev.c (flag_loop_optimize, flag_crossjumping):
        New static variables.
        (rest_of_compilation): Conditionalize crossjumping and
        loop optimizer.
        (parse_options_and_default_flags): Default loop_optimize and
        crossjumping.
        (lang_independent_options): Add -fcrossjumping and -floop-optimize
        * invoke.texi (crossjumping, loop-optimize): Document.

2002-03-22  Richard Sandiford  <rsandifo@redhat.com>

        * real.c (eiisneg): Move outside #ifdef NANS.

Fri Mar 22 12:08:36 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (outgoing_edges_math): Fix condition; relax
        frequencies match; avoid match on different loop depths.
        (try_crossjump_to_bb): Kill tests that no longer brings time
        savings.
        * cfgrtl.c (force_nonfallthru_and_redirect): Fix loop_depth
        updating code.
        (split_edge): Likewise.

        * flow.c (update_life_info_in_dirty_blocks): Fix uninitialized
        variable.

        * Makefile.in (cfgrtl): Add insn-config.h depenendency.
        * cfgrtl.c: Include insn-config.h
        (split_block) Dirtify block in presence of conditional execution

2002-03-22  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Undefine.
        * config/mips/mips-protos.h (mips_setup_incoming_varargs): Declare.
        (function_arg): Constify CUMULATIVE_ARGS.
        (function_arg_partial_nregs, function_arg_pass_by_reference): Likewise.
        * config/mips/mips.h (UNITS_PER_FPVALUE): Zero when TARGET_SOFT_FLOAT.
        (UNITS_PER_DOUBLE): New macro.
        (SETUP_INCOMING_VARARGS): Define.  Use mips_setup_incoming_varargs.
        (CUMULATIVE_ARGS): Reformat.  Remove num_adjusts workaround and
        last_arg_fp field.  Replace arg_words and fp_arg_words with gp_regs,
        fp_regs and stack_words.
        (EABI_FLOAT_VARARGS_P): New macro.
        * config/mips/mips.c (struct mips_arg_info): New.
        (mips_arg_info): New function.
        (function_arg_advance): Use it.  Add adjustment instructions here
        rather than in function_arg.
        (function_arg): Constify CUMULATIVE_ARGS.  Use mips_arg_info.  Check
        for VOIDmode at the beginning of the function.
        (function_partial_nregs): Constify CUMULATIVE_ARGS.  Use mips_arg_info.
        (function_arg_pass_by_reference): Likewise.
        (mips_setup_incoming_varags): New, largely based on old abi64.h code.
        (mips_build_va_list): Test EABI_FLOAT_VARARGS_P.
        (mips_va_start): Likewise.  Use the new stack_words field of
        CUMULATIVE_ARGS to set up overflow area.  Reformat.
        (mips_va_arg): Test EABI_FLOAT_VARARGS_P.  Unify EABI handling of
        doubles and other types, aligning the overflow pointer for non-doubles
        too.  Remove some code duplication.  Replace hard-coded constants.

2002-03-22  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (FUNCTION_ARG_REGNO_P): Simplify.
        (CLASS_UNITS): Undefine.
        (CLASS_MAX_NREGS): Use FP_INC.
        * config/mips/mips.c (compute_frame_size): Likewise.
        (override_options): Use FP_INC and UNITS_PER_FPVALUE.

2002-03-22  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpplex.c (parse_identifier_slow): Rename parse_slow, adjust
        prototype, and handle lexing numbers and identifiers.
        (parse_identifier): Update to new form of parse_slow.
        (parse_number): Fast path only, use parse_slow otherwise.
        (_cpp_lex_direct): Update calls to parse_number.

2002-03-21  DJ Delorie  <dj@redhat.com>

        * bb-reorder.c (make_reorder_chain_1): Protect against
        when redundant edges are omitted.
        * predict.c (dump_prediction): Likewise.

2002-03-21  Richard Henderson  <rth@redhat.com>

        PR target/5996
        * fixinc/inclhack.def (solaris_stdio_tag): New.
        * fixinc/fixincl.x: Regenerate.

2002-03-21  Eric Botcazou <ebotcazou@multimania.com>

        PR c/5597
        * c-typeck.c (process_init_element): Flag non-static
        initialization of a flexible array member as illegal.

2002-03-22  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/t-linux64: New.
        * config.gcc (powerpc64-*-linux* <tmake_file>): Drop t-ppcos and
        t-ppccomm.  Use t-rs6000 and t-linux64.
        (powerpc64-*-gnu* <tmake_file>): Likewise.
        * mklibgcc.in (SHLIB_MKMAP_OPTS): New variable.
        * mkmap-symver.awk (dotsyms): If set, output .foo as well as foo.
        * Makefile.in (SHLIB_MKMAP_OPTS): Pass to mklibgcc.

2002-03-21  Aldy Hernandez  <aldyh@redhat.com>

        * langhooks.c (lhd_tree_inlining_cannot_inline_tree_fn): Check
        flag_really_no_inline instead of optimize == 0.

        * c-objc-common.c (c_cannot_inline_tree_fn): Same.

        * cp/tree.c (cp_cannot_inline_tree_fn): Same.

        * flags.h (flag_really_no_inline): New.

        * c-common.c (c_common_post_options): Initialize
        flag_really_no_inline.

        * toplev.c (flag_really_no_inline): New.

2002-03-21  Jakub Jelinek  <jakub@redhat.com>

        * config/avr/avr.md (length): Fix length computation for
        conditional branches.

2002-03-21  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in (fold-const.o, stor-layout.o, stmt.o,
        sdbout.o, profile.o): Update.
        * c-common.c (c_common_nodes_and_builtins): Use pushdecl
        langhook.
        * c-common.h (gettags): Move here from tree.h.
        * c-tree.h (pushdecl, pushlevel, poplevel, set_block,
        insert_block, getdecls, kept_level_p, global_bindings_p): New.
        * dbxout.c (dbxout_init): Use getdecls langhook.
        * expr.c (expand_expr): Use insert_block langhook.
        * fold-const.c: Include langhooks.h.
        (fold_range_test, fold_binary_op_with_conditional_arg,
        fold): Use global_bindings_p langhook.
        * integrate.c (expand_inline_function): Use insert_block langhook.
        * langhooks-def.h (LANG_HOOKS_DECLS, LANG_HOOKS_PUSHLEVEL,
        LANG_HOOKS_POPLEVEL, LANG_HOOKS_GLOBAL_BINDINGS_P,
        LANG_HOOKS_INSERT_BLOCK, LANG_HOOKS_SET_BLOCK, LANG_HOOKS_PUSHDECL,
        LANG_HOOKS_GETDECLS): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.c (lhd_clear_binding_stack): Use global_bindings_p
        langhook.
        * langhooks.h (struct lang_hooks_for_decls): New.
        (struct lang_hooks): Update.
        * profile.c: Include langhooks.h.
        (output_func_start_profiler): Use new langhooks.
        * sdbout.c: Include langhooks.h.
        (sdbout_init, sdbout_finish): Use getdecls langhook.
        * stmt.c: Include langhooks.h.
        (expand_fixup, fixup_gotos): Use new langhooks.
        * stor-layout.c: Include langhooks.h.
        (variable_size): Use global_bindings_p langhook.
        * toplev.c (compile_file): Use getdecls langhook.
        * tree-inline.c (remap_block): Use insert_block langhook.
        * tree.h (pushdecl, pushlevel, poplevel, set_block, gettags,
        insert_block, getdecls, kept_level_p, global_bindings_p): Remove.

2002-03-21  Richard Henderson  <rth@redhat.com>

        * config/rs6000/rs6000.c (rs6000_select_rtx_section): Put symbolic
        constants in .data when -fpic.

2002-03-21  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi (Contributors): Use GNU/Linux instead of Linux
        where appropriate.

2002-03-21  Tom Tromey  <tromey@redhat.com>

        * config/i386/sol2.h (ASM_QUAD): Undef.  Fixes PR bootstrap/5948.

Thu Mar 21 09:50:48 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/ia64/ia64.c (hfa_element_mode, case ARRAY_TYPE): Recurse.

        * expr.c (emit_group_store): Don't copy const0_rtx to a CONCAT.

2002-03-21  Eric Botcazou <ebotcazou@multimania.com>
            Richard Henderson  <rth@redhat.com>

        PR c/5354
        * c-common.c (c_expand_expr): Preserve result of a statement
        expression if needed.

2002-03-21  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/4195
        * genrecog.c (maybe_both_true_mode): Remove.
        (maybe_both_true_2, write_switch): Revert 2001-07-17 changes.
        * machmode.def (Pmode): Likewise.

Thu Mar 21 01:55:06 EST 2002  John Wehle  (john@feith.com)

        * alias.c: (nonlocal_mentioned_p): Use for_each_rtx.
        (nonlocal_mentioned_p_1): New function.
        (nonlocal_referenced_p, nonlocal_referenced_p_1): Likewise.
        (nonlocal_set_p, nonlocal_set_p_1): Likewise.
        (mark_constant_function): Recognize pure functions.
        * rtl.h (global_reg_mentioned_p): New prototype.
        * rtlanal.c (global_reg_mentioned_p,
        global_reg_mentioned_p_1): New function.

2002-03-21  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>

        * fixinc/inclhack.def (alpha_assert): Fix assert macro in Tru64
        UNIX assert.h.
        * fixinc/fixincl.x: Regenerate.

2002-03-20  Jason Merrill  <jason@redhat.com>

        * config/i386/cygwin.h (DWARF2_UNWIND_INFO): Define to 0.

2002-03-20  Michael Meissner  <meissner@redhat.com>

        * doc/invoke.texi (Optimize Options): Document that -O2 sets
        -fstrict-aliasing.

2002-03-20  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Emit a
        ".literal_position" directive before the constant pool.

2002-03-20  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/contrib.texi (Contributors): Update Geoffrey Keating.
        Add Craig Rodrigues.
        Add Brad Lucier to testers.

2002-03-20  Jakub Jelinek  <jakub@redhat.com>

        PR target/4792
        * config/arc/arc.md (movsicc, movdicc, movsfcc, movdfcc): Add mode
        to if_then_else.
        (movsicc_insn, movdicc_insn, movsfcc_insn, movdfcc_insn): Likewise.
        * config/arc/arc.c (arc_final_prescan_insn): Use extract_insn_cached
        instead of insn_extract.

2002-03-20  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/4192
        * config/fr30/fr30.md (jump): Remove clobber of fixed register.

        * genemit.c (output_added_clobbers_hard_reg_p): Only output return
        stmt if some case has been output.

2002-03-20  Jakub Jelinek  <jakub@redhat.com>

        PR c/5972
        * config/i386/i386.md (movdicc_c_rex64, movsicc_noc, movhicc_noc,
        movsfcc_1, movdfcc_1): Add %O2.
        * config/i386/i386.c (print_operand): Handle %ON.
        Print . before float condition codes in Sun as cmov syntax.
        * config/i386/sol2.h (CMOV_SUN_AS_SYNTAX): Define for Sun as.
        * config.gcc (i[34567]86-*-solaris2*): Remove comment which is
        no longer true.

2002-03-20  Philip Blundell  <pb@nexus.co.uk>

        * config/arm/arm.c (arm_output_epilogue): Don't generate separate
        return instruction if PC was popped.

2002-03-20  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.md: Remove unused type attributes.
        (adddi_carry, subddi_carry): Change type attribute to "multi".

2002-03-19  Dale Johannesen  <dalej@apple.com>

        PR optimization/5999, middle-end/5731
        * expr.c (expand_expr) [RDIV_EXPR]: Only convert real divisions into
        multiplications by reciprocals.

2002-03-20  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in: Update.
        * c-common.c: Include langhooks.h.
        (inline_forbidden_p): Use new hook.
        * diagnostic.c: Include langhooks.h.
        (format_with_decl, announce_function,
        default_print_error_function): Use new hook.
        * dwarf2out.c (dwarf2_name): Use new hook.
        * function.c: Include langhooks.h.
        (init_function_start): Use new hook.
        * langhooks-def.h (lhd_decl_printable_name): New.
        (LANGHOOKS_DECL_PRINTABLE_NAME): New.
        (LANGHOOKS_INITIALIZER): Update.
        * langhooks.c (lhd_decl_printable_name): New.
        * langhooks.h (struct lang_hooks): New hook.
        * toplev.c (decl_name, decl_printable_name): Remove.
        (open_dump_file): Use new hook.
        (process_options): Remove old hook.
        * tree.h (decl_printable_name): Remove.
objc:
        * objc-act.c (objc_init): Remove old hook.
        (objc_printable_name): Export.
        * objc-act.h (objc_printable_name): New.
        * objc-lang.c (LANG_HOOKS_DECL_PRINTABLE_NAME): Redefine.

2002-03-19  Jim Blandy  <jimb@redhat.com>

        * c-lex.c (cb_file_change): Pass the #inclusion's line number to
        the start_source_file debug hook, not the current line number.

2002-03-19  Richard Henderson  <rth@redhat.com>

        * flow.c (EH_USES): Provide default.
        (calculate_global_regs_live): Use it for EH edges and noreturn calls.
        * doc/tm.texi (EH_USES): New.

        * config/ia64/ia64.c (ia64_eh_uses): New.
        * config/ia64/ia64-protos.h: Update.
        * config/ia64/ia64.h (EH_USES): New.

2002-03-19  Richard Henderson  <rth@redhat.com>

        * varasm.c (output_constant_def): Fix stupid typo.

2002-03-19  Richard Henderson  <rth@redhat.com>

        PR 5879
        * except.c (current_function_has_exception_handlers): New.
        * except.h: Declare it.
        * sibcall.c (optimize_sibling_and_tail_recursive_call): Use it.
        Combine tests that disable all sibcalls for the function.

2002-03-19  Olivier Hainque  <hainque@act-europe.fr>

        * varasm.c (output_constant_def): Don't call ENCODE_SECTION_INFO
        for INTEGER_CST.

2002-03-19  Richard Henderson  <rth@redhat.com>

        PR 5977, 5991
        * config/ia64/ia64.c: Revert 2002-03-01 patch.
        * config/ia64/ia64.h (INIT_EXPANDERS): New.

2002-03-19  Jim Blandy  <jimb@redhat.com>

        * cppmacro.c (cpp_macro_definition): Emit a space after the macro
        name, even if the replacement list contains no tokens, as required
        by Dwarf.

2002-03-19  Jason Merrill  <jason@redhat.com>

        * varasm.c (globalize_decl): Get the name from the RTL, not
        DECL_ASSEMBLER_NAME.

        * Makefile.in (LIBGCC2_DEBUG_CFLAGS): Set to -g.

2002-03-19  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.md (adddi3, adddi_carry, subdi3,
        subdi_carry): Define.

2002-03-19  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_override_options): Only warn
        about -fpic/-fPIC if extra_warnings set.

2002-03-19  David Edelsohn  <edelsohn@gnu.org>

        * expr.c (expand_expr): Sign-extend CONST_INT generated from
        TREE_STRING_POINTER.
        * fold-const.c (fold): Delete #if 0 ARRAY_REF case.

Tue Mar 19 14:12:32 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/sparc/sparc.h (CAN_ELMINIATE): Can only eliminate FP
        in favor of SP if FRAME_POINTER_REQUIRED is false.

2002-03-19  Lars Brinkhoff  <lars@nocrew.org>

        * emit-rtl.c (gen_int_mode): New function.
        * rtl.h: Prototype for it.
        * combine.c (make_extraction, simplify_comparison), expmed.c
        (store_bit_field, expand_mult_highpart, expand_divmod), expr.c
        (convert_modes, store_field), optabs.c (expand_fix),
        simplify-rtx.c (neg_const_int, simplify_unary_real),

        * config/rs6000/rs6000.c, config/rs6000/rs6000.md:
        Use it instead of GEN_INT (trunc_int_for_mode (...)).

2002-03-19  Jakub Jelinek  <jakub@redhat.com>

        PR c/5656
        * langhooks.h (struct lang_hooks_for_tree_inlining): Add
        convert_parm_for_inlining.
        * c-lang.c (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
        Define.
        * langhooks-def.h: Likewise.
        * objc/objc-lang.c: Likewise.
        * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining): New
        function.
        * tree-inline.c (initialize_inlined_parameters):
        Call convert_parm_for_inlining lang hook if needed.
        * c-typeck.c (c_convert_parm_for_inlining): New function.
        * c-tree.h (c_convert_parm_for_inlining): Add prototype.

2002-03-18  Mark Mitchell  <mark@codesourcery.com>

        * calls.c (precompute_arguments): Do not assume that temporaries
        can be destroyed after expanding the argument.
        (expand_call): Likewise.

2002-03-15  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.md (movdf_internal2): Add two new move constraints.
        Fix register preference on last change.
        * config/mips/mips.c (mips_return_in_memory): New function.
        * config/mips/mips.h (RETURN_IN_MEMORY): Use.
        * config/mips/mips-protos.h: Declare.
        * config/mips/abi64.h (RETURN_IN_MEMORY): Remove. Add to above.
        * config/mips/elf64.h: Add #ifndef/#endif brackets around defaults.

2002-03-18  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.md (andsi3) [TARGET_MIPS16]: Force operand 1 to
        a register too.
        (anddi3, iorsi3): Likewise.

        * config/mips/mips.h (ENCODE_SECTION_INFO) [TARGET_MIPS16]: Don't
        use %gprel for symbols that are going to be placed in linkonce
        sections.

        * config/mips/mips.h (ELIMINABLE_REGS): Can't eliminate
        RETURN_ADDRESS_POINTER_REGNUM to $ra.
        (CAN_ELIMINATE): Only eliminate it to $sp if a frame pointer is
        not needed.  Disregard leaf_function_p().
        (INITIAL_ELIMINATION_OFFSET): Adjust for elimination of rap to
        mips16 frame pointer.
        * config/mips/mips.md (store ra): Only to small SP offsets.
        2001-08-22  Graham Stott  <grahams@redhat.com>
        * config/mips/mips.h (RETURN_ADDR_RTX): For a leaf function
        return a REG rtx for the return address register.

2002-03-18  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Treat
        constant-pool addresses as "mode-dependent".
        (GO_IF_LEGITIMATE_ADDRESS): Rename macro arguments.

2002-03-18  Jakub Jelinek  <jakub@redhat.com>

        PR target/5740
        * expr.c (emit_group_load): Use extract_bit_field if
        needed for CONCAT arguments.

2002-03-18  Richard Earnshaw  <rearnsha@arm.com>

        PR target/4863
        * arm.md (tablejump): Make this a define_expand.  For PIC add the
        offset to the base of the table.
        (thumb_tablejump): Matcher for Thumb tablejump insn.
        * config/arm/aout.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output thumb entries
        as the difference of two labels.
        * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
        * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Only put ARM jump
        tables in the code.
        * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Likewise.
        * arm.c (get_jump_table_size): If the table is not in the text
        section, return zero.

2002-03-18  Bernd Schmidt  <bernds@redhat.com>

        * config/arm/arm.c (arm_gen_movstrqi): Use gen_lowpart instead
        of gen_rtx_SUBREG.
        (arm_reload_out_hi): Use gen_lowpart instead of
        gen_rtx_SUBREG to access QImode components.
        * config/arm/arm.md: Disable zero_extend split for QImode
        subregs in BIG_ENDIAN mode.
        (storehi_bigend): Match use of least significant byte.
        (storeinthi): Remove extraneous SUBREG.
        Add missing construction of operands[2].
        (movhi): Use gen_lowpart in place of gen_rtx_SUBREG.
        (movqi): Use gen_lowpart in place of gen_rtx_SUBREG.
        Replace gen_rtx (SUBREG) with gen_rtx_SUBREG.

2002-03-18  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.h (PREDICATE_CODES): Add PARALLEL to
        any_operand.

2002-03-17  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_emit_set_const_1): Build add insns
        explicitly.

2002-03-17  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md ("fixuns_truncdfdi2"): Use (unsigned_fix:DI
        (unsigned_fix:DF op1)), not (unsigned_fix:DI (fix:DF op1)).

2002-03-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * ifcvt.c (dead_or_predicable): Fix uninitialized variable.

        * predict.c (estimate_bb_frequencies): Delete unused variables.

2002-03-17  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_attribute_table): Move before
        targetm definition.  Make static.

2002-03-17  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-common.h (yyparse, c_common_parse_file): New.
        * c-lang.c: Include c-common.h.
        (LANG_HOOKS_PARSE_FILE): Redefine.
        * c-lex.c: Include c-common.h.
        (yyparse): Rename c_common_parse_file.  Call yyparse.
        * c-parse.in (yyparse): Remove macro.
        * c-tree.h (yyparse_1): Remove.
        * langhooks-def.h (LANG_HOOKS_PARSE_FILE): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.h (struct lang_hoooks): New hook parse_file.
        * toplev.c (compile_file): Use parse_file hook.
        * tree.h (yyparse): Remove.
        * objc/objc-lang.c (LANG_HOOKS_PARSE_FILE): Redefine.

2002-03-17  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md ("truncdfsf2"): Correct operator is
        float_truncate, not fix.
        ("*truncdfsf2_real"): Ditto.
        ("*nonlocal_goto_receiver_expanded"): Fix output template formatting.

        * config/mmix/mmix.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Don't define.

2002-03-16  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (CAN_ELIMINATE): Don't eliminate rap to $fp
        (s8), but rather HARD_FRAME_POINTER_REGNUM.  Add parentheses
        where appropriate.  Make the second reference to
        leaf_function_p a function call, as intended.  Reindented.

        * config/mips/mips.h (ISA_HAS_COND_TRAP): Not available on MIPS16.
        * config/mips/mips.md (trap) [TARGET_MIPS16]: Emit `break 0'.

        * config/mips/mips.md (addsi3, adddi3): Use scratch register to
        add register to non-constant into sp.

        * config/mips/mips-protos.h (embedded_pic_fnaddr_reg): New.
        * config/mips/mips.h (embedded_pic_fnaddr_rtx): Lose.
        (mips16_gp_pseudo_rtx): Lose.
        (INIT_EXPANDERS): Deleted.
        * config/mips/mips.c (mips_init_machine_status): New.
        (mips_free_machine_status): New.
        (mips_mark_machine_status): New.
        (override_options): Set them.
        (embedded_pic_fnaddr_rtx, mips16_gp_pseudo_rtx): Moved to...
        (struct machine_function): ... new.  Replaced all references.
        (mips_add_gc_roots): Don't mark them.
        (embedded_pic_fnaddr_reg): New, extracted from...
        (embedded_pic_offset): ... here.
        * config/mips/mips.md (movdi): Call embedded_pic_fnaddr_reg.
        (movsi): Likewise.

2002-03-16  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppinit.c: Revert -MD removal.

2002-03-16  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m68hc11_override_options): Don't use
        soft registers by default for 68HC12.
        (m68hc11_conditional_register_usage): Don't use Z register for 68HC12
        when compiling with -fomit-frame-pointer.
        (expand_prologue): Use push/pop to allocate 4-bytes of locals on 68HC12.
        (expand_epilogue): Likewise.
        (m68hc11_gen_rotate): Use exg when rotating by 8.

2002-03-16  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11-protos.h (ix_reg): Declare.
        * config/m68hc11/m68hc11.md ("addsi3"): Use general_operand for sources.
        (splits): Remove unused add splits.
        ("*addhi3_68hc12"): Tune constraints.
        ("addhi_sp"): Try to use X instead of Y in all cases and if the
        constant fits in 8-bits and D is dead use abx/aby instructions.
        ("*addhi3"): Remove extern declaration of ix_reg.
        ("*subsi3"): Optimize and provide new split.
        ("subhi3"): Cleanup.
        ("*subhi3_sp"): Avoid saving X if we know it is dead.
        (arith splits): For 68hc12 save the address register on the stack
        and do the arithmetic operation with a pop.

2002-03-16  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("*movqi_68hc12"): Fix constraints, avoid
        allocating QImode in address registers.
        ("*movqi_m68hc11"): Likewise.

Sat Mar 16 12:57:28 CET 2002  Jan HUbicka  <jh@suse.cz>

        * cfgcleanup.c (cleanup_cfg): Fix updating of liveness.

2002-03-16  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppinit.c (print_help): Display -MD and -MMD.
        Don't display usage string.  Update assertion syntax and
        typo.
        (COMMAND_LINE_OPTIONS): Remove OPT_MD, OPT_MMD.
        (cpp_handle_option): Update.

2002-03-15  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Provide an
        MEABI case for each definition of SUBTARGET_CPP_SIZE_SPEC,
        and define it so that regardless of target CPU size,
        __SIZE_TYPE__ and __PTRDIFF_TYPE__ are defined in terms
        of "int" rather than "long."

2002-03-15  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_va_arg): Manipulate the type
        size as a tree.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("tstqi_1"): Try to use ldab instead of tst.
        ("tstqi" split): Avoid using memory for tstqi on address register.
        (splits): Remove constraints.
        ("cmphi_1_hc12"): New from "cmphi_1" and tuned for 68HC12.
        ("cmpdf", "cmpsf"): Remove since not used.
        ("*tbeq", "*tbne", "*tbeq8", "*tbne8"): Also look in cc_status.value2.
        (peephole2): New peepholes to optimize tstqi and pre inc/dec addressing.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("negsi2"): Optimize inline case.
        ("neghi2"): Tighten constraints.
        ("one_cmplsi2"): Optimize and simplify split.
        * config/m68hc11/larith.asm (__negsi2): Likewise for library.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.md ("logicalsi3_zexthi"): Fix constraints
        and split of AND operation to clear the upper bits.
        ("*logicalsi3_zextqi"): Likewise.
        ("*logicallhi3_zexthi_ashift8"): Likewise.
        ("*logicalsi3_silshr16"): Likewise.
        ("logicalsi3_silshl16"): Likewise.
        ("anddi3", "iordi3", "xordi3" splits): Remove constraints.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m68hc11_symbolic_p): New function.
        (m68hc11_indirect_p): New function.
        (m68hc11_override_options): Must set MASK_NO_DIRECT_MODE for 68HC12.
        (m68hc11_gen_highpart): Use TARGET_NO_DIRECT_MODE instead of
        TARGET_M6812.
        (asm_print_register): Likewise.
        * config/m68hc11/m68hc11-protos.h (m68hc11_symbolic_p): Declare.
        (m68hc11_indirect_p): Declare.
        * config/m68hc11/m68hc11.h (EXTRA_CONSTRAINT): New constraint 'R', 'Q'.
        (TARGET_NO_DIRECT_MODE, TARGET_RELAX): New.
        (TARGET_SWITCHES): New option -mrelax.
        * config/m68hc11/m68hc11.md ("andsi3"): Allow soft register for
        destination.
        ("iorsi3", "xorsi3"): Likewise.
        ("andhi3", "andqi3", "iorhi3", "iorqi3"): Use a define_expand.
        ("*andhi3_mem"): New to handle destination in memory with bclr
        and a scratch register.
        ("*andqi3_mem", "*iorhi3_mem", "*iorqi3_mem"): Likewise.
        ("*andhi3_const"): New when operand2 is constant.
        ("*andqi3_const", "*iorhi3_const", "*iorqi3_const"): Likewise.
        ("*andhi3_gen"): Cleanup of the old "andhi3".
        ("*andqi3_gen", "*iorhi3_gen", "*iorqi3_gen"): Likewise.
        ("xorqi3"): Update constraints.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m68hc11_small_indexed_indirect_p): Look
        for reg_equiv_memory_loc when the operand is a register that does
        not get a hard register (stack location).
        (tst_operand): After reload, accept all memory operand.
        (symbolic_memory_operand): Fix detection of symbolic references.
        * config/m68hc11/m68hc11.h (VALID_CONSTANT_OFFSET_P): For 68HC12
        accept symbols and any constant.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (emit_move_after_reload): Add a REG_INC
        note on the insn that sets the soft frame register.
        (must_parenthesize): ix and iy are also reserved names.
        (print_operand_address): One more place where parenthesis are required
        to avoid confusion with register names.
        (m68hc11_gen_movhi): Allow push of stack pointer.
        (m68hc11_check_z_replacement): Fix handling of parallel with a
        clobber.
        (m68hc11_z_replacement): Must update the REG_INC notes to tell what
        the replacement register is.
        * config/m68hc11/m68hc11.h (REG_CLASS_CONTENTS): Switch Z_REGS
        and D8_REGS classes.
        (MODES_TIEABLE_P): All modes are tieable except QImode.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/larith.asm (___adddi3): Optimize saving of result.
        (___subdi3): Likewise.
        (__mulsi3, __mulhi32): Avoid using _.tmp scratch location.
        (__map_data_section): Optimize 68hc11 case.

2002-03-15  Stephane Carrez  <Stephane.Carrez@worldnet.fr>

        * config/m68hc11/m68hc11.c (m6812_cost): Make cost of add higher
        than a shift to avoid adding a register with itself.
        (m68hc11_memory_move_cost): Take into account NO_REGS.
        (m68hc11_register_move_cost): Update and use memory move cost
        for soft registers.
        (m68hc11_address_cost): Make cost of valid offset not 0 so that
        it gives more opportunities to cse to optimize.
        * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Pass the mode.
        * config/m68hc11/m68hc11-protos.h (m68hc11_register_move_cost): Update.

2002-03-15  Mark Mitchell  <mark@codesourcery.com>

        * c-common.c (statement_code_p): Handle CLEANUP_STMT.
        * c-common.def (CLEANUP_STMT): New tree node.
        * c-common.h (CLEANUP_DECL): New macro.
        (CLEANUP_EXPR): Likewise.
        * c-semantics.c (expand_stmt): Handle CLEANUP_STMT.
        * expr.c (expand_expr): Tidy.
        * tree-dump.c (dequeue_and_dump): Handle CLEANUP_STMT.
        * tree-inline.c (initialize_inlined_parameters): Clean up
        new local variables.

2002-03-15  Jakub Jelinek  <jakub@redhat.com>

        PR bootstrap/4128
        * config/sparc/sparc.c (gen_v9_scc): Move early clobber test
        before movrXX only, use reg_overlap_mentioned_p.
        Only special case NE if just one insn can be generated.

2002-03-15  Jason Merrill  <jason@redhat.com>

        * varasm.c (assemble_variable): Call resolve_unique_section before
        checking DECL_SECTION_NAME.  Use zeros for a decl with DECL_INITIAL
        of error_mark_node.

2002-03-15  Richard Earnshaw  <rearnsha@arm.com>

        PR target/5170
        * arm.md (split pattern for thumb shiftable immediates): Add comment
        explaining non-obvious test.

2002-03-15  Richard Earnshaw  <rearnsha@arm.com>

        PR target/5712
        * arm.md (movaddr, movaddr_insn): Delete.

2002-03-15  Jason Merrill  <jason@redhat.com>

        * toplev.c (wrapup_global_declarations): Clarify variable handling.
        -fkeep-static-consts doesn't apply to comdats.

2002-03-14  Richard Henderson  <rth@redhat.com>

        * c-decl.c: Include c-pragma.h.
        (start_decl, start_function): Invoke maybe_apply_pragma_weak.
        (finish_function): Tidy.
        * c-pragma.c: Include c-common.h.
        (pending_weaks, apply_pragma_weak, maybe_apply_pragma_weak): New.
        (handle_pragma_weak): Use them.
        (init_pragma): Register pending_weaks.
        * c-pragma.h (maybe_apply_pragma_weak): Declare.
        * print-tree.c (print_node): Print DECL_WEAK.
        * varasm.c (mark_weak_decls): Remove.
        (remove_from_pending_weak_list): Remove.
        (add_weak): Remove.
        (asm_emit_uninitialised): Call globalize_decl for weak commons.
        (weak_decls): Make a tree_list.
        (declare_weak): Cons weak_decls directly.
        (globalize_decl): Remove weak_decls elements directly.
        (weak_finish): Simplify weak_decls walk.  Don't weaken unused
        symbols.  Don't pretend to handle aliases.
        (init_varasm_once): Update weak_decls registry.
        * Makefile.in: Update dependencies.

2002-03-14  Richard Henderson  <rth@redhat.com>

        PR target/5312
        * config/ia64/ia64.c: Include tm_p.h last.
        (gen_nop_type): Remove duplicate definition.
        (cycle_end_fill_slots): Set sched_data for second L slot.
        (maybe_rotate): Call cycle_end_fill_slots to fill in nop slots.
        (nop_cycles_until): Fix typos.

2002-03-15  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/5891
        * unroll.c (copy_loop_body) [CALL_INSN]: Copy SIBLING_CALL_P flag.

2002-03-14  David Mosberger <davidm@hpl.hp.com>, Hans Boehm <Hans_Boehm@hp.com>

        * config/ia64/unwind-ia64.c: Handle copy_state and label_state
          descriptors correctly.

2002-03-14  Michael Meissner  <meissner@redhat.com>

        * params.def (PARAM_MAX_UNROLLED_INSNS): New macro, default to
        100, allowing MAX_UNROLLED_INSNS to be overridden.

        * params.h (MAX_UNROLLED_INSNS): Define so it can be overridden by
        --param.

        * unroll.c (params.h): Include.
        (MAX_UNROLLED_INSNS): Delete, now in params.h.

        * doc/invoke.texi (--param max-unroll-insns): Document.

        * Makefile.in (unroll.o): Add $(PARAMS_H) dependency.

2002-03-14  Richard Earnshaw  <rearnsha@arm.com>

        * arm.md: Fix warnings about constraints in peepholes and splits.

2002-03-14  Zack Weinberg  <zack@codesourcery.com>

        * cpphash.h (struct lexer_state): Remove line_extension member.
        * cpplib.c (dequote_string, do_linemarker): New functions.
        (linemarker_dir): New data object.
        (DIRECTIVE_TABLE): No longer need to interpret #line in
        preprocessed source.  Delete obsolete comment about return
        values of handlers.
        (end_directive, directive_diagnostics, _cpp_handle_directive):
        Don't muck with line_extension.
        (directive_diagnostics): No need to issue warnings for
        linemarkers here.
        (_cpp_handle_directive): Issue warnings for linemarkers here,
        when appropriate.  Dispatch linemarkers to do_linemarker, not
        do_line.
        (do_line): Code to handle linemarkers split out to do_linemarker.
        Convert escape sequences in filename argument, both places.

        * cppmacro.c (quote_string): Rename cpp_quote_string and
        export.  All callers changed.
        * cpplib.h (cpp_quote_string): Prototype.
        * cppmain.c (print_line): Call cpp_quote_string on to_file
        before printing it.

        * doc/cpp.texi: Document that escapes are now interpreted in
        #line and in linemarkers, and that non-printing characters are
        converted to octal escapes when linemarkers are generated.

Thu Mar 14 19:04:29 CET 2002  Jan Hubicka  <jh@suse.cz>

        * emit-rtl.c (try_split): Use delete_insns.
        * recog.c (split_all_insns): Fix terminating condition.

2002-03-14  Richard Earnshaw  <rearnsha@arm.com>
            Jeroen Dobbelaere  <jeroen.dobbelaere@acunia.com>

        PR target/5828
        * arm.c (arm_output_epilogue): Fix floating-point register save
        adjustment when using a frame pointer.

2002-03-14  Richard Sandiford  <rsandifo@redhat.com>

        * config/mips/mips.h (FP_INC, UNITS_PER_FPVALUE): New macros.
        * config/mips/mips.c (compute_frame_size): Retrofit them here.
        (save_restore_insns, mips_expand_epilogue): And here.
        (build_mips16_call_stub): And here.
        (mips_function_value): Use the new macros to decide whether a single
        or complex float can be returned in floating-point registers.  Return
        a parallel rtx in the complex case.

Thu Mar 14 11:03:12 CET 2002  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation): Add CLEANUP_UPDATE_LIFE to cfg_cleanup
        call after liveness analysis.

        * recog.c (split_insn): Use delete_insn_and_edges.

        * cfgrtl.c (verify_flow_info): Be permisive about non-any_condjump
        instructions to have branch prediction notes.
        * ia64reorg.c (ia64_reorg): Do not rebuild CFG.

2002-03-14  Geoffrey Keating  <geoffk@redhat.com>

        * configure.in: Don't pass -Wno-long-long to a ADA compiler
        that doesn't support it.
        * configure: Regenerate.

2002-03-13  Jakub Jelinek  <jakub@redhat.com>

        PR target/5626
        * config/sparc/sparc.md (normal_branch, inverted_branch,
        normal_fp_branch, inverted_fp_branch, normal_fpe_branch,
        inverted_fp_branch): Adjust calls to output_cbranch.
        Set length attribute.
        (normal_int_branch_sp64, inverted_int_branch_sp64): Adjust calls to
        output_v9branch.  Set length attribute.
        * config/sparc/sparc.c (fcc0_reg_operand, noov_compare64_op): New
        predicates.
        (noov_compare_op): Handle CCX_NOOVmode the same way as CC_NOOVmode.
        (output_cbranch): Likewise.  Handle far branches.
        (output_v9branch): Handle far branches.
        * config/sparc/sparc-protos.h (output_cbranch, output_v9branch):
        Adjust prototypes.
        * config/sparc/sparc.h (PREDICATE_CODES): Add fcc0_reg_operand and
        noov_compare64_op predicates.

2002-03-13  Jason Merrill  <jason@redhat.com>

        * gthr-posix.h (__gthread_active_p): Move __gthread_active_ptr
        into the function and constify it.
        * gthr-dce.h, gthr-solaris.h: Likewise.

2002-03-13  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (PAD_VARARGS_DOWN): Define.
        * config/rs6000/rs6000.c (rs6000_va_arg): Use
        std_expand_builtin_va_arg if not ABI_V4.

2002-03-13  Jason Merrill  <jason@redhat.com>

        * varasm.c (globalize_decl): New fn.
        (assemble_start_function): Use it.
        (asm_emit_uninitialized): Use it.
        (assemble_alias): Use it.
        (assemble_variable): Use it.

2002-03-13  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.c (cris_target_asm_function_prologue): Revert
        2002-03-12 internal visibility change.
        (cris_encode_section_info): Consider MODULE_LOCAL_P when encoding
        visibility into SYMBOL_REF_FLAG.

2002-03-13  Ulrich Weigand  <uweigand@de.ibm.com>

        * expr.c (expand_expr, case NE_EXPR): Do not call copy_to_reg with
        VOIDmode operand.  Add compile-time optimization for constant results.

2002-03-12  Jason Merrill  <jason@redhat.com>

        * c-typeck.c (convert_for_assignment): Don't allow conversions
        between pointers and references.  Only allow lvalues to convert to
        reference.

2002-03-13  Hartmut Penner  <hpenner@de.ibm.com>

        * config/s390/s390.h (PROFILE_BEFORE_PROLOGUE): Emit profile code
        before prologue, to avoid scheduling problems.

2002-03-13  Jakub Jelinek  <jakub@redhat.com>

        * config/sparc/sparc.h (INITIAL_FRAME_POINTER_OFFSET): Remove.
        (ELIMINABLE_REGS): Add sfp->sp.
        (INITIAL_ELIMINATION_OFFSET): Compute sfp->sp offset too.

2002-03-13  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/5892
        * config/ia64/ia64.c (rotate_one_bundle): Update current packet.

2002-03-13  Jakub Jelinek  <jakub@redhat.com>

        * loop.c (basic_induction_var): Don't call convert_modes if mode
        classes are different.

2002-03-12  Richard Henderson  <rth@redhat.com>

        PR optimization/5901
        * function.c (reposition_prologue_and_epilogue_notes): Position
        the markers after/before the last/first insn not deleted.

2002-03-12  Richard Henderson  <rth@redhat.com>

        PR optimization/5878
        * config/arc/arc.h, config/cris/cris.h, config/i386/i386.h,
        config/m68k/m68k.h, config/s390/s390.h, config/sparc/sparc.h
        (PIC_OFFSET_TABLE_REGNUM): Conditionalize on flag_pic.

        * config/arm/arm.h config/i386/i386.h, config/m68k/m68k.h,
        config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Set
        PIC_OFFSET_TABLE_REGNUM based on INVALID_REGNUM not flag_pic.

        * config/arc/arc.h (CONDITIONAL_REGISTER_USAGE): New.
        * config/arm/arm.c (arm_pic_register): Init to INVALID_REGNUM.
        (arm_override_options): Set arm_pic_register if TARGET_APCS_STACK
        also.  Don't set it if not flag_pic.
        * config/i386/i386.c (ix86_save_reg): Trust PIC_OFFSET_TABLE_REGNUM
        to be INVALID_REGNUM when not used.

2002-03-13  Aldy Hernandez  <aldyh@redhat.com>

        * expmed.c (store_bit_field): Reset alias set for memory.
        (extract_bit_field): Same.

2002-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c-common.c (c_tree_code_type, c_tree_code_length,
        c_tree_code_name, add_c_tree_codes): Delete.
        * c-common.h (add_c_tree_codes): Delete.
        * c-lang.c (tree_code_type, tree_code_length, tree_code_name):
        Define.
        * c-objc-common.c (c_objc_common_init): Don't call
        add_c_tree_codes, instead set lang_unsafe_for_reeval.
        * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
        objc_tree_code_name, add_objc_tree_codes): Delete.
        (objc_init): Don't call add_objc_tree_codes.
        * objc/objc-lang.c (tree_code_type, tree_code_length,
        tree_code_name): Define.
        * toplev.c (lang_independent_init): Don't set
        tree_code_length[IDENTIFIER_NODE].
        * tree.c (tree_code_type, tree_code_length, tree_code_name):
        Delete definitions, moved to language front-ends.
        * tree.def (IDENTIFIER_NODE): Hardwire the length.
        * tree.h (tree_code_type, tree_code_length, tree_code_name):
        Const-ify.
        (tree_code_length): Change type to unsigned char.

2002-03-12  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_prologue): Revert 2002-03-03
        internal visibility change.

2002-03-12  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.c (xtensa_expand_block_move): Use
        validize_mem() instead of change_address to avoid clobbering
        memory attributes.

2002-03-12  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-lex.h (position_after_whitespace): Remove.

2002-03-12  Jakub Jelinek  <jakub@redhat.com>

        * c-lex.c (cb_ident, c_lex): Remove unnecessary cast.
        (lex_string): Use unsigned char pointers.

2002-03-12  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload1.c (reload): Ignore MEM REG_EQUIV notes if the equivalent
        is not a valid memory_operand.

2002-03-12  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa-config.h: Define XCHAL_HAVE_LOOPS.
        * config/xtensa/lib1funcs.asm: Fix copyright to include
        special case for libgcc files.
        (__udivsi3): Avoid loop instructions when XCHAL_HAVE_LOOPS is 0.
        (__divsi3): Likewise.
        (__umodsi3): Likewise.
        (__modsi3): Likewise.
        * config/xtensa/lib2funcs.S: Fix copyright to include
        special case for libgcc files.

2002-03-12  Tom Rix  <trix@redhat.com>

        * collect2.c (resolve_lib_name): Move outside of
        OBJECT_FORMAT_COFF ifdef.
        (ignore_library): Same.

2002-03-12  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/t-xtensa (CRTSTUFF_T_CFLAGS_S): Define.

2002-03-12  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Switch
        to function_section before writing out the constant pool.

2002-03-12  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (PREDICATE_CODES): Add any_operand and
        zero_constant.
        * config/rs6000/rs6000.c (easy_fp_constant): Fix formatting.

2002-03-12  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md (addsi3): Optimize sign extension.
        (adddi3): Likewise.
        (movdf): Likewise.
        (movdi): Likewise.
        (cmpsi splitter): Likewise.
        (modsi3): Fail if <= 0.
        * config/rs6000/rs6000.c (reg_or_add_cint64_operand): Remove
        redundant test when HOST_BITS_PER_WIDE_INT != 32.
        (reg_or_sub_cint64_operand): Likewise.
        (num_insns_constant_wide): Optimize sign extension.
        (rs6000_legitimize_address): Likewise.

2002-03-12  Andrew MacLeod  <amacleod@redhat.com>

        * config/sparc/linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
        * config/sparc/linux64.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.

2002-03-12  Andrew MacLeod  <amacleod@redhat.com>

        * config/sparc/sparc.h (RETURN_ADDR_RTX): Include v9 stack bias in
        address calculation.

2002-03-12  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md (reload_insi, reload_indi): Change mode of
        scratch register to DImode / TImode.
        config/s390/s390.c (s390_expand_plus_operand): Make sure scratch
        register used does not overlap the target.

2002-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (debug.o): Depend on debug.h.
        * dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Const-ify.
        * debug.c (do_nothing_debug_hooks): Likewise.
        * debug.h (debug_hooks, do_nothing_debug_hooks, dbx_debug_hooks,
        sdb_debug_hooks, xcoff_debug_hooks, dwarf_debug_hooks,
        dwarf2_debug_hooks, vmsdbg_debug_hooks): Likewise.
        * dwarf2out.c (dwarf2_debug_hooks): Likewise.
        * dwarfout.c (dwarf_debug_hooks): Likewise.
        * integrate.c (output_inline_function): Likewise.
        * objc/objc-act.c (synth_module_prologue): Likewise.
        * sdbout.c (sdb_debug_hooks): Likewise.
        * toplev.c (debug_hooks): Likewise.
        * vmsdbgout.c (vmsdbg_debug_hooks): Likewise.

2002-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * 1750a.h, a29k.h, arc.h, arm.h, c4x.h, clipper.h, cris.h, d30v.h,
        dsp16xx.h, fr30.h, h8300.h, i370.h, i386.h, i860.h, i960.h,
        m32r.h, m68hc11.h, m68k.h, m88k.h, mcore.h, mmix.h, mn10300.h,
        ns32k.h, pa.h, pdp11.h, pj.h, romp.h, s390.h, stormy16.h,
        v850.h, vax.h, we32k.h, xtensa.h (POINTER_SIZE): Delete.
        * defaults.h (POINTER_SIZE): Define.
        * doc/tm.texi (POINTER_SIZE): Document default.

2002-03-12  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * mn10200.h (PTRDIFF_TYPE): Change it to a signed type.

2002-03-11  Richard Henderson  <rth@redhat.com>

        * toplev.c (rest_of_compilation): Call purge_all_dead_edges
        if rebuild_label_notes_after_reload.

2002-03-12  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.c (cris_target_asm_function_prologue):  Do not
        emit pic register load if "internal" visibility.
        (cris_print_operand): Avoid traditional-warning for 0xffffffff.
        (cris_expand_builtin_va_arg): Do all computations on trees.

2002-03-11  Richard Henderson  <rth@redhat.com>

        * rtlanal.c: Include recog.h.
        (keep_with_call_p): Fix thinko.
        * Makefile.in (rtlanal.o): Update dependencies.

2002-03-11  Chris Meyer  <cmeyer@gatan.com>

        * genflags.c (gen_insn): Use IS_VSPACE.
        * genoutput.c (output_insn_data): Likewise.
        (process_template): Likewise.

2002-03-11  Richard Henderson  <rth@redhat.com>

        * toplev.c (rest_of_compilation): Don't compile if we've had errors.

2002-03-11  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in: Update.
        * doc/cppenv.texi, cppopts.texi: Split out of cpp.texi and gcc.texi.
        Update documentation.
        * doc/gcc.texi: Include cppopts.texi and cppenv.texi.
        * doc/cpp.texi: Include cppopts.texi and cppenv.texi.

2002-03-11  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in: Give texi2pod its input file as a command line
        argument, not on stdin.

2002-03-11  Dan Nicolaescu  <dann@ics.uci.edu>
            Daniel Berlin  <dan@dberlin.org>

        C++ alias analysis improvement.
        * alias.c (record_component_aliases): Record aliases for base
        classes too.

2002-03-11  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.h (REG_ALLOC_ORDER): Add missing register.

2002-03-11  Douglas B Rupp  <rupp@gnat.com>

        * toplev.c (vms_fopen): Remove, not needed.

        * vmsdbgout.c (lookup_filename): Adjust creation date for GMT.

        * config/alpha/xm-vms.h (__UNIX_FWRITE): Define.

        * config/alpha/alpha.c (alpha_sa_size, VMS): Don't reserve space
        for FP, already done later.

        * toplev.c (debug_args): Add entry for VMS_DEBUG.
        * vmsdbgout.c (vmsdbgout_init): Fix typo in call to xmalloc.

2002-03-11  Richard Sandiford  <rsandifo@redhat.com>

        * defaults.h (LARGEST_EXPONENT_IS_NORMAL, ROUND_TOWARDS_ZERO): New.
        (MODE_HAS_NANS, MODE_HAS_INFINITIES): Evaluate to false if
        LARGEST_EXPONENT_IS_NORMAL for the given mode.
        (MODE_HAS_SIGN_DEPENDENT_ROUNDING): False when ROUND_TOWARDS_ZERO.
        * real.c (eadd1): Make rounding dependent on !ROUND_TOWARDS_ZERO.
        (ediv, emul, eldexp, esqrt): Likewise.
        (etoe113, etoe64, etoe53, etoe24, etodec, etoibm, etoc4x): Likewise.
        (e24toe): Only check NaNs & infinities if !LARGEST_EXPONENT_IS_NORMAL.
        (saturate): New function.
        (toe53, toe24): Saturate on overflow if LARGEST_EXPONENT_IS_NORMAL.
        (make_nan): Use a saturation value instead of a NaN if
        LARGEST_EXPONENT_IS_NORMAL.  Warn when this happens.
        * fp-bit.c (pack_d): Saturate on NaN, infinite or overflowing
        inputs if LARGEST_EXPONENT_IS_NORMAL.  Represent subnormals as
        zero if NO_DENORMALS.  Only round to nearest if !ROUND_TOWARDS_ZERO.
        (unpack_d): No NaNs or infinities if LARGEST_EXPONENT_IS_NORMAL.
        (_fpmul_parts, _fpdiv_parts): Only round to nearest if
        !ROUND_TOWARDS_ZERO.
        * doc/tm.texi (LARGEST_EXPONENT_IS_NORMAL): Document.
        (ROUND_TOWARDS_ZERO): Document.

2002-03-11  Andreas Jaeger  <aj@suse.de>

        * cfg.c (dump_flow_info): Remove unused variable.

2002-03-11  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c (mmix_expand_builtin_va_arg): Do all
        computations on trees.

2002-03-10  Richard Henderson  <rth@redhat.com>

        PR 5693:
        * reload.c (copy_replacements_1): New.
        (copy_replacements): Use it to recurse through the rtx.

2002-03-10  Richard Henderson  <rth@redhat.com>

        * loop.c (strength_reduce): Compute number of iterations as
        unsigned HOST_WIDE_INT.

2002-03-10  Richard Henderson  <rth@redhat.com>

        * sched-rgn.c (add_branch_dependences): Don't allow insns that throw
        to move away from the end of the block.

2002-03-10  Neil Booth  <neil@daikokuya.demon.co.uk>

        PR preprocessor/5899
        * cppinit.c (init_dependency_output): Don't ignore -dM etc.

2002-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * mbchar.c (JIS_state_table, JIS_action_table): Const-ify.

        * attribs.c (decl_attributes): Fix signed/unsigned warning.

2002-03-10  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c: Improve comments.
        (mmix_target_asm_function_prologue): Drop variable
        empty_stack_frame.  Don't allocate unused slot above fp.
        (mmix_target_asm_function_epilogue): Mirror prologue changes.
        * config/mmix/mmix.h (MMIX_GNU_ABI_REG_ALLOC_ORDER): Don't have
        brace in first column.
        (enum reg_class): Ditto.
        (FIRST_PARM_OFFSET): Now 0.
        (USER_LABEL_PREFIX): Remove #if 0:d definition.

2002-03-10  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * combine.c (make_extraction): Fix error in last change.

2002-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * c4x.c (c4x_fp_reglist): Const-ify.
        * cris.c (cris_print_operand): Likewise.
        * i386.c (ix86_va_arg): Likewise.
        * ia64/unwind-ia64.c (unw_decode_table): Likewise.
        * m32r.c (m32r_hard_regno_mode_ok): Likewise.
        * m32r.h (m32r_hard_regno_mode_ok): Likewise.
        * mcore.c (regno_reg_class, mcore_unique_section): Likewise.
        * mcore.h (regno_reg_class): Likewise.
        * mips.c (gen_int_relational): Likewise.
        * ns32k.c (ns32k_reg_class_contents, regclass_map): Likewise.
        * ns32k.h (ns32k_reg_class_contents, regclass_map): Likewise.
        * pdp11.c (move_costs): Likewise.
        * pj.h (INITIALIZE_TRAMPOLINE): Likewise.
        * s390.c (s390_branch_condition_mnemonic, regclass_map):
        Likewise.
        * s390.h (regclass_map): Likewise.
        * sh.c (shift_amounts): Likewise.
        * sh.md (rotlsi3): Likewise.

2002-03-09  Geoffrey Keating  <geoffk@redhat.com>

        * config/rs6000/rs6000.md (ne0+4): Add extra CLOBBER.
        (ne0+5): Use new clobber to generate proper shift pattern.
        Patch by Michael Matz <matz@kde.org>.

2002-03-09  Andreas Schwab  <schwab@suse.de>

        * gcc.c (validate_all_switches): Also handle `%W{...}'.

2002-03-09  Geoffrey Keating  <geoffk@redhat.com>

        * config/rs6000/sysv4.h (BIGGEST_ALIGNMENT): Don't define.

2002-03-09  Jakub Jelinek  <jakub@redhat.com>

        PR middle-end/5877
        * expr.c (highest_pow2_factor): Check TREE_INT_CST_LOW
        even for non-representable constants.

Sat Mar  9 07:20:01 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * emit-rtl.c (copy_most_rtx): Accept EXPR_LIST for may_share.
        * function.c (fixup_var_refs): Add MAY_SHARE parameter.
        (fixup_var_refs_insns, fixup_var_refs_insns_with_has): Likewise.
        (fixup_var_refs_insn, fixup_var_refs_1): Likewise.
        (pop_function_context): Compute MAY_SHARE parameter for
        fixup_var_refs.
        (fixup_var_refs_1, case MEM): Pass MAY_SHARE to copy_most_rtx, not VAR.
        (gen_mem_addressof): Call fixup_var_refs with new parm.

        * combine.c (make_extraction): Don't make extension of CONST_INT.

2002-03-09  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.c (function_arg_pass_by_reference): Force to 0
        in o32 and o64 ABIs.
        * config/mips/abi64.h (MUST_PASS_IN_STACK): Define as in expr.h,
        but getting fixed-size structs passed in registers regardless of
        padding in o32 and o64 ABIs.

        * config/mips/mips.c (mips_va_arg): Apply big-endianness address
        offset before loading address of argument passed by transparent
        reference.

2002-03-08  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * t-pa64 (LIB1ASMFUNCS, LIB1ASMSRC): Delete.

2002-03-09  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.c (mips_expand_prologue): Set regno of vararg
        marker such that registers after it are saved.

2002-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * sparc.c (arith_4096_operand): Fix error in last change.

2002-03-08  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Remove duplicate
        defaults for MEABI.

2002-03-08  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (rs6000_va_arg): Fix alignment for
        vectors.

2002-03-08  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/sysv4.h (BIGGEST_ALIGNMENT): Change for altivec.

Fri Mar  8 21:27:49 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (purge_dead_edges): Set BB_DRITY flags if edge has been
        removed; fix return value.
        * combine.c (combine_instructions): Dirtify blocks where we failed to
        update liveness; purge dead edges; use update_life_info_in_dirty_blocks.
        * toplev.c (rest_of_compilation): Do not purge_dead_edges after combine.

2002-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * gcse.c (insert_insn_end_bb): Fix typo in last change.

Fri Mar  8 21:08:52 CET 2002  Jan Hubicka  <jh@suse.cz>

        * recog.c (peephole2_optimize): Re-distribute EH edges.

2002-03-08  Neil Booth  <neil@daikokuya.demon.co.uk>

        * expr.c (expand_expr): Use unsave lang hook.
        * langhooks-def.h (LANG_HOOKS_UNSAVE): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.h (struct lang_hooks): New hook unsave.
        * tree.c (lang_unsave, lang_unsave_expr_now): Remove.
        (unsave_expr_1): Remove unused lang_unsave_expr_now.
        (unsave_expr_now_r): Rename lhd_unsave.  Update. Return input.
        (unsave_expr_now): Remove.
        * tree.h (unsave_expr_now, lang_unsave,
        lang_unsave_expr_now): Remove.
        (lhd_unsave): New.

2002-03-08  Andreas Jaeger  <aj@suse.de>

        * flow.c (propagate_block_delete_insn): Remove unused variable.

2002-03-08  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (h8300_adjust_insn_length): Tighten
        insn length for memory load/store.

2002-03-08  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * doc/install.texi (--with-libiconv-prefix): Document.

2002-03-08  Michael Y. Brukman  <myb2@cornell.edu>

        * doc/sourcebuild.texi: Fix typo.

2002-03-08  Jakub Jelinek  <jakub@redhat.com>

        PR c/3711
        * builtins.c (std_expand_builtin_va_arg): Do all computations on
        trees.

Fri Mar  8 06:48:45 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * rtl.c (copy_most_rtx): Move from here ...
        * emit-rtl.c (copy_most_rtx): ... to here.

2002-03-08  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (LONG_MAX_SPEC): Rewrite, along with
        SUBTARGET_CPP_SIZE_SPEC.
        * config/mips/abi64.h (LONG_MAX_SPEC): Delete.

        * config/mips/mips.h (SUBTARGET_CPP_SIZE_SPEC): Simplify.

2002-03-07  Matt Hiller  <hiller@redhat.com>

        * gensupport.c (first_dir_md_include): Renamed from include;
        change all references.
        (last_dir_md_include): Renamed from last_include; change all
        references.
        (init_md_reader): Unconditionally initialize base_dir whether or
        not filename is a relative path.

2002-03-07  Alexandre Oliva  <aoliva@redhat.com>

        * config/fp-bit.c (_unord_f2): Compile it in even if
        US_SOFTWARE_GOFAST is enabled.

        * config/gofast.h (GOFAST_RENAME_LIBCALLS): Set gt and ge as
        NULL_RTX.  Set all HFmode operations as NULL_RTX.
        * optabs.c (prepare_float_lib_cmp) <GT, GE, LT, LE>: If libfunc is
        NULL_RTX, try reversing the comparison and the operands.

2002-03-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * genextract.c (walk_rtx): Recurse into MATCH_PAR_DUP.
        genoutput.c (scan_operands): Recurse into MATCH_PAR_DUP
        and MATCH_OP_DUP.

Thu Mar  7 16:54:10 CET 2002  Jan Hubicka  <jh@suse.cz>

        * reload1.c (reload_cse_delete_noop_set): Purge dead edges.

Thu Mar  7 16:33:54 CET 2002  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (fixup_abnormal_edges): Declare.
        * reload1.c (fixup_abnormal_edges): New function.
        * reg-stack.c (convert_regs): Use it.

        * gcse.c (insert_insn_end_bb): Handle trapping insns.

        * gcse.c (hash_scan_set): Refuse instructions with EH edges.

2002-03-07  Richard Sandiford  <rsandifo@redhat.com>

        * defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES): New.
        (MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): New.
        * flags.h (HONOR_NANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS): New.
        (HONOR_SIGN_DEPENDENT_ROUNDING): New.
        * builtins.c (expand_builtin_mathfn): Use HONOR_NANS.
        * c-common.c (truthvalue_conversion): Reduce x - y != 0 to x != y
        unless x and y could be infinite.
        (expand_unordered_cmp): New, mostly split from expand_tree_builtin.
        Check that the common type of both arguments is a real, even for
        targets without unordered comparisons.  Allow an integer argument
        to be compared against a real.
        (expand_tree_builtin): Use expand_unordered_cmp.
        * combine.c (combine_simplify_rtx): Use the new HONOR_... macros.
        * cse.c (fold_rtx): Likewise.  Fix indentation.
        * fold-const.c (fold_real_zero_addition_p): New.
        (fold): Use it, and the new HONOR_... macros.
        * ifcvt.c (noce_try_minmax): Use the new HONOR_... macros.
        * jump.c (reversed_comparison_code_parts): After searching for
        the true comparison mode, use HONOR_NANS to decide whether it
        can be safely reversed.
        (reverse_condition_maybe_unordered): Remove IEEE check.
        * simplify-rtx.c (simplify_binary_operation): Use the new macros
        to decide which simplifications are valid.  Allow the following
        simplifications for IEEE: (-a + b) to (b - a), (a + -b) to (a - b),
        and (a - -b) to (a + b).
        (simplify_relational_operation): Use HONOR_NANS.
        * doc/tm.texi: Document the MODE_HAS_... macros.

2002-03-07  Richard Earnshaw  <rearnsha@arm.com>

        * combine.c (simplify_comparison): If simplifying a logical shift
        right and compare with constant, force the comparison to unsigned.

2002-03-07  Aldy Hernandez  <aldyh@redhat.com>

        * doc/invoke.texi: Add documentation for -mabi=no-altivec.

        * config/rs6000/rs6000.c (rs6000_parse_abi_options): Add
        -mabi=no-altivec
        (alt_reg_names): Remove % for vrsave.

2002-03-06  Richard Henderson  <rth@redhat.com>

        PR optimization/5844
        * genemit.c (gen_exp): New argument used.  Invoke copy_rtx
        if used indicates we've already emitted one copy of an operand.
        (gen_insn, gen_expand, output_add_clobbers): Supply a null used.
        (gen_split): Supply a non-null used.

2002-03-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload1.c (reload): Unshare all rtl after reload is done.

        * simplify-rtx.c (simplify_plus_minus): Do not abort,
        but simply fail if the expression is too complex to simplify.
        (simplify_gen_binary): Handle simplify_plus_minus failures.

Wed Mar  6 20:32:09 CET 2002  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation): Do jump threading before SSA path;
        consistently call delete_trivially_dead_insns after CSE and GCSE;
        fix DFI_life dumping; do jump threading after liveness; do crossjumping
        after liveness2; update comment in last crossjumping.
        * cfgcleanup.c (try_crossjump_to_edge): Dirtify block.

Wed Mar  6 12:27:10 2002  Jeffrey A Law  (law@redhat.com)

        * ssa-ccp.c (ssa_fast_dce): Update the DF def-use chains
        after completing fast dead code elimination.

        * m68k.h (CONST_COSTS): Lower cost of 0.0 when used inside a
        COMPARE operator.

2002-03-06  Phil Edwards  <pme@gcc.gnu.org>

        * version.c:  Fix misplaced leading blanks on first line.

Wed Mar  6 19:08:03 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (verify_flow_info): Accept RESX as EH edge source.

Wed Mar  6 18:14:43 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (mentions_nonequal_regs): New function.
        (thread_jump): Use it.
        * toplev.c (rest_of_compilation): Run jump threading after
        liveness.

2002-03-06  Jakub Jelinek  <jakub@redhat.com>

        * ssa-ccp.c (ssa_ccp_substitute_constants): Backout 2002-03-05
        patch.

Wed Mar  6 11:28:19 CET 2002  Jan Hubicka  <jh@suse.cz>

        * predict.c (estimate_bb_frequencies): Do not reload the
        frequencies from notes.

Wed Mar  6 10:59:39 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (delete_insn_and_edges, delete_insn_chain_and_edges): New.
        * rtl.h (delete_insn_and_edges, delete_insn_chain_and_edges): Declare

        * basic-block.h (update_life_info, update_life_info_in_dirty_blocks,
        delete_noop_moves): Return indeger.
        * flow.c (ndead): New variable.
        (propagate_block_delete_insn): Use delete_insn_and_edges; remove
        BB argument; update callers.
        (propagate_block_delete_libcall): Use delete_insn_chain_and_edges.
        (life_analysis): Do not call purge_all_dead_edges.
        (update_life_info): Return number of deleted insns; print statistics.
        (update_life_info_in_dirty_blocks): likewise.
        (delete_noop_moves): Use delete_insn_and_edges; print statistics;
        return number of insns deleted.

        * cse.c: Include timevar.h
        (delete_trivially_dead_insns): Kill preserve_basic_blocks argument;
        iterate until stabilizes; print statistics; return number of killed
        insns.
        * Makefile.in: (cse.o): Add timevar.h dependency
        * rtl.h (delete_trivially_dead_insns): New.
        * timever.def: Add TV_DELETE_TRIVIALLY_DEAD timer.
        * toplev.c (rest_of_compilation): Update callers.

        * cfgcleanup.c (try_optimize_cfg): Kill blocks.
        (try_optimize_cfg): Do not update liveness.
        (cleanup-cfg): Loop until try_optimize_cfg and dead code
        removal stabilizes; use delete_trivially_dead_insns.

        * cfgrtl.c (verify_flow_info): Sanity check outgoing edges.

2002-03-05  Zack Weinberg  <zack@codesourcery.com>

        * cppmain.c (setup_callbacks): Disable #pragma and #ident
        callbacks when processing assembly language.

2002-03-05  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.h (ASM_FILE_END): Define.
        * som.h (ASM_FILE_END): Delete.

        * pa.c (function_arg): Don't pass floats in general registers in
        indirect calls if TARGET_ELF32.

2002-03-05  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (floatsidf2): Conditionalize on hard-float.

2002-03-05  Danny Smith  <dannysmith@users.sourceforge.net>

        * gthr-win32.h (__GTHREAD_MUTEX_INIT_DEFAULT): Define.

2002-03-05  Jakub Jelinek  <jakub@redhat.com>

        * mklibgcc.in: Prepend a tab before .hidden, add $flags to gcc
        -r command line.  Don't hide any symbols if not building
        shared libgcc.

Tue Mar  5 18:31:27 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfg.c (dump_flow_info): Warn about profile mismatches.
        * cfgrtl.c (verify_flow_info): Few aditional sanity checks.
        (purge_dead_edges): Remove REG_BR_PROB notes on simplejumps.

2002-03-05  Jakub Jelinek  <jakub@redhat.com>

        * expmed.c (emit_store_flag): Don't test BITS_PER_WORD * 2
        wide volatile memory by parts.

2002-03-05  Jakub Jelinek  <jakub@redhat.com>

        * ssa-ccp.c (ssa_ccp_substitute_constants): Don't crash if def
        is NULL.

2002-03-05  Richard Henderson  <rth@redhat.com>

        * rs6000.h (TOTAL_ALTIVEC_REGS): Fix off-by-one error.

2002-03-04  Geoffrey Keating  <geoffk@redhat.com>

        * toplev.c (documented_lang_options): Document more
        language-specific options.
        * doc/invoke.texi (Warning Options): Correct documentation for
        -Wno-multichar, -Wno-div-by-zero, and -Wsystem-headers.
        * c-decl.c (c_decode_option): Use a table to handle warning options.

2002-03-05  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.h (ENCODE_SECTION_INFO): Pass on new second
        parameter to mmix_encode_section_info.
        (LINK_SPEC): Don't defsym __.MMIX.start..text if linking
        relocatably.  Always produce ELF, not mmo if linking relocatably.
        * config/mmix/mmix.c (mmix_encode_section_info): If new parameter
        first is non-zero, don't add symbol prefix.
        * config/mmix/mmix-protos.h (mmix_encode_section_info): Tweak
        prototype accordingly.

2002-03-04  Krister Walfridsson  <cato@df.lth.se>

        * config.gcc (*-*-netbsd*): Add t-slibgcc-elf-ver to tmake_file.

2002-03-05  Joseph S. Myers  <jsm28@cam.ac.uk>

        * configure.in: Increase required makeinfo version to 4.1.
        * configure: Regenerate.

2002-03-04  Geoffrey Keating  <geoffk@redhat.com>

        * .cvsignore: Remove *.info* and genrtl*; these files are generated
        elsewhere now.

2002-03-04  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/include/texinfo.tex: Update to version 2002-03-01.06.
        * doc/invoke.texi: Fix @math uses.

Mon Mar  4 15:33:54 CET 2002  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation): Cleanup CFG after dead jumptables
        removal

2002-03-03  Aldy Hernandez  <aldyh@redhat.com>

        * config.gcc (powerpc-*-eabialtivec*): Use t-ppcendian.
        (powerpc-*-eabisimaltivec*): Same.

        * config/rs6000/t-ppcendian: New.

2002-03-04  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>

        * c4x-protos.h, c4x.h, c4x.c, c4x.md: Add new functions
        nonimmediate_src_operand and nonimmediate_lsrc_operand to
        disallow ZERO_EXTEND with CONST_INT or CONST_DOUBLE.

2002-03-03  Richard Henderson  <rth@redhat.com>

        * toplev.c (rest_of_decl_compilation): Revert last two changes.

2002-03-03  Zack Weinberg  <zack@codesourcery.com>

        * emit-rtl.c, final.c, fold-const.c, gengenrtl.c, optabs.c,
        print-tree.c, real.c, real.h, recog.c, rtl.c, simplify-rtx.c,
        tree.c, config/m68k/m68k.c:
        Remove all #ifndef REAL_ARITHMETIC blocks, make all #ifdef
        REAL_ARITHMETIC blocks unconditional.  Delete some further
        #ifdef blocks predicated on REAL_ARITHMETIC.
        * flags.h, toplev.c: Delete remaining references to
        flag_pretend_float.

        * doc/invoke.texi: Remove documentation of -fpretend-float.
        * doc/tm.texi: Describe the various REAL_* macros as provided by
        real.h, not by the target configuration files.

        * config/alpha/alpha.h, config/alpha/unicosmk.h, config/arm/arm.h,
        config/avr/avr.h, config/c4x/c4x.h, config/convex/convex.h,
        config/cris/cris.h, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
        config/h8300/h8300.h, config/i370/i370.h, config/i386/i386.h,
        config/i386/osf1elf.h, config/i960/i960.h, config/ia64/ia64.h,
        config/m32r/m32r.h, config/m68hc11/m68hc11.h, config/m68k/dpx2.h,
        config/m68k/linux-aout.h, config/m68k/linux.h, config/m68k/m68k.h,
        config/m68k/sun3.h, config/m68k/vxm68k.h, config/mcore/mcore.h,
        config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h,
        config/mn10300/mn10300.h, config/pa/pa.h, config/pj/pj.h,
        config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.h,
        config/sparc/freebsd.h, config/sparc/linux.h, config/sparc/linux64.h,
        config/sparc/sol2.h, config/sparc/sparc.h, config/sparc/vxsim.h,
        config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vax.h,
        config/xtensa/xtensa.h:
        Do not define, undefine, or mention in comments any of
        REAL_ARITHMETIC, REAL_VALUE_ATOF, REAL_VALUE_HTOF,
        REAL_VALUE_ISNAN, REAL_VALUE_ISINF,
        REAL_VALUE_TO_TARGET_SINGLE, REAL_VALUE_TO_TARGET_DOUBLE,
        REAL_VALUE_TO_TARGET_LONG_DOUBLE, REAL_VALUE_TO_DECIMAL,
        REAL_VALUE_TYPE, REAL_VALUES_EQUAL, REAL_VALUES_LESS,
        REAL_VALUE_LDEXP, REAL_VALUE_FIX, REAL_VALUE_UNSIGNED_FIX,
        REAL_VALUE_RNDZINT, REAL_VALUE_UNSIGNED_RNDZINT,
        REAL_INFINITY, REAL_VALUE_NEGATE, REAL_VALUE_TRUNCATE,
        REAL_VALUE_TO_INT, or REAL_VALUE_FROM_INT.

2002-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * 1750a.h, a29k.h, alpha.h, arc.h, arm.h, avr.h, c4x.h, clipper.h,
        convex.h, cris.h, d30v.h, dsp16xx.h, elxsi.h, fr30.h, h8300.h,
        i370.h, i386.h, i860.h, i960.h, ia64.h, m32r.h, m68hc11.h, m68k.h,
        m88k.h, mcore.h, mips.h, mmix.h, mn10200.h, mn10300.h, ns32k.h,
        pa.h, pdp11.h, pj.h, romp.h, rs6000.h, s390.h, sh.h, sparc.h,
        stormy16.h, v850.h, vax.h, we32k.h, xtensa.h (BITS_PER_WORD):
        Delete.
        * defaults.h (BITS_PER_WORD): Define.
        * doc/tm.texi (BITS_PER_WORD): Document default value.

        * 1750a.h, avr.h, convex.h, d30v.h, dsp16xx.h, fr30.h, ia64.h,
        m68hc11.h, m88k.h, mips.h, pdp11.h, rs6000.h, sparc.c,
        stormy16.h, xtensa.h, vmsdbgout.c (CHAR_TYPE_SIZE): Delete.

2002-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * attribs.c (init_attributes, decl_attributes): Use ARRAY_SIZE in
        lieu of explicit sizeof/sizeof.
        * i386.c (override_options, ix86_init_mmx_sse_builtins,
        ix86_expand_builtin): Likewise.
        * mips.c (mips_add_gc_roots): Likewise.
        * mmix.c (mmix_output_condition): Likewise.
        * rs6000.c (rs6000_override_options, altivec_expand_builtin,
        altivec_init_builtins): Likewise.
        * sparc.c (mark_ultrasparc_pipeline_state): Likewise.
        * cppexp.c (Nsuff, parse_number): Likewise.
        * cppinit.c (builtin_array_end): Likewise.
        * gcc.c (n_default_compilers, process_command): Likewise.
        * genpreds.c (output_predicate_decls): Likewise.
        * ggc-page.c (NUM_EXTRA_ORDERS): Likewise.
        * lcm.c (N_ENTITIES): Likewise.
        * stor-layout.c (set_sizetype): Likewise.

2002-03-03  Richard Henderson  <rth@redhat.com>

        * toplev.c (rest_of_decl_compilation): Do not invoke make_decl_rtl
        for types or labels.

2002-03-03  Richard Henderson  <rth@redhat.com>

        * c-decl.c (start_decl): Initialized variables are not common.

2002-03-02  Per Bothner  <per@bothner.com>

        * gcc.c (option_map):  Suport new --bootclasspath option.
        --CLASSPATH is now just an alias for --classpath.

2002-03-02  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.h (ix86_expand_prologue): Do not emit pic register
        load if "internal" visibility.
        * doc/extend.texi: Document visibility meanings.

2002-03-02  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.h (ENCODE_SECTION_INFO): MODULE_LOCAL_P applies
        to functions as well.

2002-03-02  Richard Henderson  <rth@redhat.com>

        * attribs.c (handle_alias_attribute): Don't call assemble_alias.
        (handle_visibility_attribute): Don't call assemble_visibility.
        * toplev.c (rest_of_decl_compilation): Invoke make_decl_rtl even
        without asmspec.  Invoke assemble_alias when needed.
        * varasm.c (maybe_assemble_visibility): New.
        (assemble_start_function, assemble_variable, assemble_alias): Use it.

2002-03-02  Richard Henderson  <rth@redhat.com>

        * varasm.c (make_decl_rtl): Remove call to REDO_SECTION_INFO_P;
        invoke ENCODE_SECTION_INFO with first call flag.

        * config/darwin-protos.h, config/darwin.c, config/darwin.h,
        config/a29k/a29k.h, config/alpha/alpha-protos.h, config/alpha/alpha.c,
        config/alpha/alpha.h, config/arc/arc.h, config/arm/arm-protos.h,
        config/arm/arm.h, config/arm/pe.c, config/arm/pe.h,
        config/avr/avr-protos.h, config/avr/avr.c, config/avr/avr.h,
        config/c4x/c4x-protos.h, config/c4x/c4x.c, config/c4x/c4x.h,
        config/cris/cris-protos.h, config/cris/cris.c, config/cris/cris.h,
        config/d30v/d30v.h, config/h8300/h8300.h, config/i370/i370.h,
        config/i386/cygwin.h, config/i386/i386-interix.h, config/i386/i386.h,
        config/i386/osfrose.h, config/i386/win32.h, config/i386/winnt.c,
        config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
        config/m32r/m32r-protos.h, config/m32r/m32r.c, config/m32r/m32r.h,
        config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c,
        config/m68hc11/m68hc11.h, config/m88k/m88k.h,
        config/mcore/mcore-protos.h, config/mcore/mcore.c,
        config/mcore/mcore.h, config/mips/mips.h, config/ns32k/ns32k.h,
        config/pa/pa.h, config/romp/romp.h, config/rs6000/linux64.h,
        config/rs6000/rs6000-protos.h, config/rs6000/rs6000.c,
        config/rs6000/sysv4.h, config/rs6000/xcoff.h, config/s390/s390.h,
        config/sh/sh.h, config/sparc/sparc.h,
        config/stormy16/stormy16-protos.h, config/stormy16/stormy16.c,
        config/stormy16/stormy16.h, config/v850/v850.h, config/vax/vms.h,
        config/xtensa/xtensa.h, doc/tm.texi: ENCODE_SECTION_INFO now takes
        FIRST argument.  As needed, examine it and do nothing.

        * config/darwin.h, config/alpha/alpha.h, config/arm/pe.h,
        config/i386/cygwin.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h,
        config/mcore/mcore.h: Remove REDO_SECTION_INFO_P.

        * config/arm/t-pe (pe.o): Add dependencies.

2002-03-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * a29k.h, alpha.h, arc.h, arm.h, avr.h, clipper.h, convex.h,
        cris.h, d30v.h, elxsi.h, fr30.h, h8300.h, i370.h, i386.h, i860.h,
        i960.h, ia64.h, m32r.h, m68hc11.h, m68k.h, m88k.h, mcore.h,
        mips.h, mmix.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pdp11.h,
        pj.h, romp.h, rs6000.h, s390.h, sh.h, sparc.h, stormy16.h, v850.h,
        vax.h, we32k.h, xtensa.h: (BITS_PER_UNIT): Delete.
        * defaults.h (BITS_PER_UNIT): Define.
        * doc/tm.texi (BITS_PER_UNIT): Document default value.

2002-03-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Add a prototype for
        compute_a_shift_length.
        * config/h8300/h8300.c (h8300_asm_insn_count): New.
        (compute_a_shift_length): Likewise.
        (h8300_adjust_insn_length): Do not adjust insn length of shift
        insns.
        * config/h8300/h8300.md (anonymous shift patterns): Use
        compute_a_shift_length.

Sat Mar  2 06:30:14 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/sparc/sparc.c (sparc_initialize_trampoline): Use
        trunc_int_for_mode.

        * emit-rtl.c (offset_address): Call update_temp_slot_address.

2002-03-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * Makefile.in (CRTSTUFF_CFLAGS): Add -fno-zero-initialized-in-bss.
        * doc/invoke.texi (-fno-zero-initialized-in-bss): Document.
        * flags.h (flag_zero_initialized_in_bss): Declare.
        * toplev.c (flag_zero_initialized_in_bss): New flag.
        (lang_independent_options): Add flag_zero_initialized_in_bss.
        * tree.c (initializer_zerop): New function.
        * tree.h (initializer_zerop): Declare.
        * varasm.c (assemble_variable): If we can emit bss, put zero
        initializers in the bss section.

2002-03-02  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): AIX assembler doesn't
        like more than one symbol per .weak directive.

2002-03-01  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_initial_elimination_offset): Do not
        adjust argument_pointer by pretend_args_size.
        (ia64_va_start): Adjust va_start address by -pretend_args_size.

2002-03-01  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (h8300_adjust_insn_length): Clean up.

Fri Mar  1 20:59:14 CET 2002  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation): Delete dead jumptables before
        loop.
        * flow.c (delete_dead_jumptables): Make global.
        * rtl.h (delete_dead_jumptables): Declare.

2002-03-01  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (HANDLE_PRAGMA_PACK): Delete.
        * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Define.
        * config/rs6000/xcoff.h (COLLECT_EXPORT_LIST): Delete.

2002-03-01  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Fix formatting.
        * config/h8300/h8300.c: Likewise.
        * config/h8300/h8300.h: Likewise.

2002-03-01  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (print_operand): Support 16-bit
        constant addresses.
        * config/h8300/h8300.h (TINY_CONSTANT_ADDRESS_P): New.

2002-02-28  Richard Henderson  <rth@redhat.com>

        * expmed.c (store_bit_field): Prevent generation of CONCATs;
        pun complex values as integers; use gen_lowpart instead of
        gen_rtx_SUBREG.
        (extract_bit_field): Likewise.

2002-03-01  Alan Modra  <amodra@bigpond.net.au>
            David Edelsohn  <edelsohn@gnu.org>

        * doc/tm.texi (ASM_WEAKEN_DECL): Document.
        (ASM_WEAKEN_LABEL): Mention ASM_WEAKEN_DECL.
        (SUPPORTS_WEAK): Likewise.
        * output.h (add_weak): Add tree param.
        * varasm.c (add_weak): Likewise.  Save decl.
        (struct weak_syms): Add decl field.
        (mark_weak_decls): New function.
        (init_varasm_once): ggc_add_root mark_weak_decls.
        (assemble_start_function): Use ASM_WEAKEN_DECL.
        (assemble_variable): Likewise.
        (assemble_alias): Likewise.
        (declare_weak): Pass decl to add_weak.
        (weak_finish): Use ASM_WEAKEN_DECL. Try to find decl.
        (remove_from_pending_weak_list): Declare and define for
        ASM_WEAKEN_DECL.
        * c-pragma.c (handle_pragma_weak): Adjust add_weak call.
        * c-pragma.h (HANDLE_PRAGMA_WEAK): Define if ASM_WEAKEN_DECL too.
        * defaults.h (SUPPORTS_WEAK): Likewise.
        * config/rs6000/linux64.h (ASM_DECLARE_FUNCTION_NAME): Don't emit
        .weak for code sym.  Do emit .size for descriptor sym.
        (ASM_DECLARE_FUNCTION_SIZE): Define.
        * config/rs6000/rs6000.h (ASM_WEAKEN_DECL): Define.
        (ASM_OUTPUT_DEF_FROM_DECLS): Don't emit .weak here.  Don't output
        .lglobl unless TARGET_XCOFF.  Formatting fixes.
        * config/rs6000/xcoff.h (ASM_DECLARE_FUNCTION_NAME): Don't emit
        .weak for code sym.
        (HANDLE_PRAGMA_WEAK): Remove.
        (ASM_WEAKEN_LABEL): Remove.
        * config/rs6000/aix.h (HANDLE_SYSV_PRAGMA): Define.

2002-03-01  Jason Merrill  <jason@redhat.com>

        * tree.h (TARGET_EXPR_SLOT, TARGET_EXPR_INITIAL): New macros.
        (TARGET_EXPR_CLEANUP): New macro.

2002-02-28  Steve Ellcey  <sje@cup.hp.com>

        * doc/rtl.texi (SUBREG_PROMOTED_UNSIGNED_P): Change definition
        to take ptr_extend into account as third type of extension.
        (SUBREG_PROMOTED_UNSIGNED_SET): Definition of new macro to set bit
        fields used by SUBREG_PROMOTED_UNSIGNED_P.
        * rtl.h (SUBREG_PROMOTED_UNSIGNED_SET): New macro.
        (SUBREG_PROMOTED_UNSIGNED_P): Change to return -1 as well as 0 or 1.
        * calls.c (precompute_arguments): Use new macro.
        (expand_call): Ditto.
        * combine.c (nonzero_bits): Ditto.
        (record_promoted_value): Ditto.
        * expr.c (store_expr): Ditto.
        (expand_expr): Ditto.
        * function.c (assign_parms): Ditto.

2002-02-28  Alexandre Oliva  <aoliva@redhat.com>

        * gcc.c (init_gcc_specs): Get -static and -static-libgcc to
        override -shared and -shared-libgcc.

2002-02-28  David O'Brien  <obrien@FreeBSD.org>

        * config.gcc (sparc64-*-freebsd): Explicitly accept a cpu specification
        of "ultrasparc".
        * config/sparc/freebsd.h: Do not use MASK_FASTER_STRUCTS.  It appears
        to be broken.

2002-02-28  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (ia64_adjust_cost): All non-MM consumers have
        4 cycle latency from MM producers.
        (ia64_internal_sched_reorder): Likewise with pipeline flush.

2002-02-28  Jakub Jelinek  <jakub@redhat.com>

        * mklibgcc.in: Don't use GNU make extension.

2002-02-28  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-parse.in (STATIC): New terminal.
        (scspec): New non-terminal.  Update productions accordingly.
        (program): Remove bogus ifc / end ifc.
        (array_declarator): Simplify production using STATIC.

2002-02-28  Jim Meyering  <meyering@lucent.com>

        * cpplex.c (cpp_parse_escape): Restore mistakenly-removed code:
        \a still means TARGET_BELL.

2002-02-28  Richard Henderson  <rth@redhat.com>

        * haifa-sched.c (sched_emit_insn): New.
        (schedule_block): Use last_scheduled_insn to track last insn.
        * sched-int.h (sched_emit_insn): Prototype.
        * config/ia64/ia64.c (last_issued): Remove.
        (ia64_variable_issue): Don't set it.
        (nop_cycles_until): Use sched_emit_insn.

2002-02-28  Andrew MacLeod  <amacleod@redhat.com>

        * config/sparc/sparc.c (sparc64_initialize_trampoline): Generate sign
        extended constants.

2002-02-28  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c: Fix formatting.
        * config/h8300/h8300.h: Likewise.

2002-02-28  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        * config/avr/avr.c (avr_hard_regno_mode_ok): Do not allow r29
        which may overwrite the high byte of the frame pointer.

2002-02-28  Bo Thorsen  <bo@suse.de>

        * config/i386/linux64.h (LINK_SPEC): Fix 32/64 bit compilation.
        (STARTFILE_SPEC): Add 64 bit files.
        (ENDFILE_SPEC): Likewise.

2002-02-28  Jason Merrill  <jason@redhat.com>

        * c-decl.c (finish_function): Only warn about missing return
        statement with -Wreturn-type.

Don Feb 28 11:24:30 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgrtl.c (purge_dead_edges): Fix handling of EH edges.

        * i386.h (CONDITIONAL_REGISTER_USAGE): Do not write to
        PIC_OFFSET_TABLE_REGNUM when it is INVALID_REGNUM

Don Feb 28 11:07:36 CET 2002  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (BB_REACHABLE): Renumber.
        (BB_DIRTY, BB_NEW): New flags.
        (clear_bb_flags): Declare.
        (update_life_info_in_dirty_blocks): Declare.
        * cfg.c (clear_bb_flags): New function.
        * cfgrtl.c (create_basic_block_structure): Set flags to BB_NEW.
        * emit-rtl.c (add_insn_after, add_insn_before, remove_insn,
        reorder_insns, emit_insn_after): Mark block as dirty.
        * flow.c (update_life_info): Fix clearing of PROP_LOG_LINKS.
        (update_life_info_in_dirty_blocks): New function.
        * recog.c (apply_change_group): Dirtify block.

        * cse.c (cse_insn): Reorder emitting of jump insn to keep
        cfg consistent.
        * gcse.c (delete_null_pointer_checks): Likewise.

        * toplev.c (dump_file_index): Move cse2 after bp,
        add DFI_null
        (dump_file_info): Similary.
        (rest_of_compilation): Avoid most of CFG rebuilds;
        do first if converision after null pointer checks, do cse2
        after branch prediction; avoid full liveness rebuild after
        initializing subregs.
        * invoke.texi (-d options): Document -du, renumber.

        * cfgcleanup.c (bb_flags): Remove BB_UPDATE_LIFE.
        (notice_new_block): Do not set BB_UPDATE_LIFE.
        (try_forward_edges, merge_blocks_move_predecessor_nojumps,
         merge_blocks_move_successor_nojumps, merge_blocks,
         try_crossjump_to_edge): Likewise.
        (try_optimize_cfg): Likewise; use update_life_info_in_dirty_blocks.
        * cfgrtl.c (merge_blocks_nomove): Copy b's flags to a.
        * ifcvt.c (SET_UPDATE_LIFE, UPDATE_LIFE): Kill.
        (merge_of_block): Do not use life_data_ok.
        (find_if_case_1): Do not use SET_UPDATE_LIFE.
        (if_convert): Use BB_DIRTY mechanizm to update life.
        * lcm.c (optimize_mode_switching): Update
        update_life_info_in_dirty_blocks

2002-02-28  Neil Booth  <neil@daikokuya.demon.co.uk>

        * Makefile.in (integrate.o): Update.
        * c-decl.c (copy_lang_decl): Rename.
        * c-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.
        * integrate.c: Include langhooks.h.
        (copy_decl_for_inlining): Update to use langhook.
        * langhooks-def.h (lhd_do_nothing_t,
        LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): New.
        (LANG_HOOKS_INITIALIZER): Update.
        * langhooks.c (lhd_do_nothing_t): New.
        * langhooks.h (struct lang_hooks): Add dup_lang_specific_decl.
        * tree.h (copy_lang_decl): Remove.
objc:
        * objc-lang.c (LANG_HOOKS_DUP_LANG_SPECIFIC_DECL): Redefine.

2002-02-27  Andrew MacLeod  <amacleod@redhat.com>

        * dwarf2out.c (stack_adjust_offset): Add support for POST_INC,
        POST_DEC, and POST_MODIFY.

2002-02-27  Zack Weinberg  <zack@codesourcery.com>

        * c-typeck.c (digest_init): Remove unused parameter; all
        callers changed.

2002-02-27  Geoffrey Keating  <geoffk@redhat.com>

        * expmed.c (expand_shift): Correctly test for low part of a
        subreg.

2002-02-27  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_chunkify_pool): Do not confuse
        insn UIDs with insn addresses.

2002-02-27  Zack Weinberg  <zack@codesourcery.com>

        * c-common.c, c-common.h, c-decl.c, c-lex.c, c-parse.in,
        c-tree.h, c-typeck.c, cppexp.c, cpplex.c, cpplib.c, cpplib.h,
        cppmacro.c, objc/lang-specs.h, objc/objc-act.c,
        builtin-types.def, builtins.def, dwarf2out.c, dwarfout.c,
        gcc.c, toplev.c: Delete code implementing -traditional mode.

        * doc/bugreport.texi, doc/cpp.texi, doc/extend.texi,
        doc/invoke.texi, doc/standards.texi, doc/trouble.texi:
        Document removal of -traditional mode for compilation, and
        remove documentation only relevant to that mode.

        * config/nextstep.h, config/ptx4.h, config/svr4.h,
        config/convex/convex.h, config/d30v/d30v.h,
        config/i386/dgux.h, config/i386/osf1elf.h,
        config/i386/osfelf.h, config/i386/osfrose.h,
        config/i386/sco5.h, config/i386/sol2.h, config/m68k/a-ux.h,
        config/m68k/hp310.h, config/m88k/dgux.h,
        config/m88k/dguxbcs.h, config/m88k/luna.h, config/m88k/m88k.c,
        config/m88k/m88k.h, config/m88k/openbsd.h,
        config/mips/abi64.h, config/mips/osfrose.h,
        config/mips/svr4-5.h, config/mips/svr4-t.h,
        config/sparc/sol2-sld-64.h, config/sparc/sol2.h,
        config/stormy16/stormy16.h: Remove all references to
        -traditional from target specs.  Delete all mention of the
        no-longer-necessary TRADITIONAL_RETURN_FLOAT macro.  Also
        delete a couple of commented-out definitions of
        DOLLARS_IN_IDENTIFIERS, with (incorrect) commentary referring
        to -traditional.

        * system.h: Poison TRADITIONAL_RETURN_FLOAT.
        * doc/tm.texi: Remove mention of TRADITIONAL_RETURN_FLOAT macro.

2002-02-27  Zack Weinberg  <zack@codesourcery.com>

        * mklibgcc.in: Don't use \n in a line subject to
        interpretation by echo.

2002-02-27  Graham Stott  <grahams@redhat.com>

        * config/rs6000/rs6000.h (ASM_OUTPUT_DEF_FROM_DELC):
        Constify NAME.

        * loop.c (prescan_loop): Handle PARALLEL.

        * unroll.c (loop_iterations): Return 0 if the add_val for
        a BIV is REG.

        * final.c (output_operand_lossage): Constify PFX_STR.

        * df.c (df_insn_refs_record): Use XEXP (x, 0) for USE.

Wed Feb 27 10:45:19 CET 2002  Jan Hubicka  <jh@suse.cz>

        * linux64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Remove.
        * x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Allways define.

Wed Feb 27 10:39:20 CET 2002  Jan Hubicka  <jh@suse.cz>

        * linux64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define.

2002-02-27  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpplex.c (_cpp_lex_token): Handle directives in macro
        arguments.
        * cpplib.c (_cpp_handle_directive): Save and restore state
        if parsing macro args when entering a directive.
        * cppmacro.c (collect_args): No need to handle directives
        in macro arguments.
        (enter_macro_context, replace_args): Use the original macro
        definition in case it was redefined whilst collecting arguments.
doc:
        * cpp.texi: Update.

2002-02-26  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Delete.
        * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Delete.
        * config/rs6000/rs6000.c (rs6000_return_addr): Use efficient
        method on AIX.
        * config/rs6000/rs6000.md (movsi_low): Use gpc_reg_operand.
        (movsi_low_st, movdf_low, movdf_low_st, movsf_low, movsf_low_st): Same.
        (load_toc_v4_PIC_2): Same.

2002-02-26  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.md (load_toc_aix_di): Handle TARGET_RELOCATABLE.

2002-02-26  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (ashldi_se): Re-enable.

2002-02-26  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_encode_section_info): Examine
        MODULE_LOCAL_P; improve commentary.

2002-02-26  Zack Weinberg  <zack@codesourcery.com>

        * doc/cpp.texi: Clarify documentation of relationship between
        #line and #include.

2002-02-26  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Update the prototype for
        compute_logical_op_length.  Add the prototype for
        compute_logical_op_cc.
        * config/h8300/h8300.c (compute_logical_op_length): Figure out
        code from operands.
        (compute_logical_op_cc): New.
        * config/h8300/h8300.md: Combine all the logical op patterns
        in HImode and SImode.  Use compute_logical_op_cc.

2002-02-26  Kelley Cook  <kelleycook@comcast.net>

        * config/i386/i386.c (print_operand): Don't append ATT-style
        length suffixs to x87 opcodes when in Intel mode.

2002-02-26  Ryan T. Sammartino <ryants@shaw.ca>

        * emit-rtl.c (gen_const_vector_0): Remove TYPE argument.
        (init_emit_once): Update calls.
        * fixinc/gnu-regex.c (_GNU_SOURCE): Remove.
        (init_syntax_once): Prototype.

2002-02-26  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa-linux.h (LIB_SPEC): Update definition.
        * pa32-linux.h (LINK_COMMAND_SPEC): Delete.

2002-02-26  Richard Henderson  <rth@redhat.com>

        * config/ia64/ia64.c (nop_cycles_until): Do init_insn_group_barriers
        if we emitted a stop bit.

2002-02-26  Jakub Jelinek  <jakub@redhat.com>

        * configure.in (libgcc_visibility): Substitute.
        * configure: Rebuilt.
        * mklibgcc.in: If libgcc_visibility = yes, make libgcc.a global
        defined symbols .hidden.

2002-02-26  Jakub Jelinek  <jakub@redhat.com>

        * attribs.c (c_common_attribute_table): Add visibility.
        (handle_visibility_attribute): New function.
        * varasm.c (assemble_visibility): New function.
        * output.h (assemble_visibility): Add prototype.
        * tree.h (MODULE_LOCAL_P): Define.
        * crtstuff.c (__dso_handle): Use visibility attribute.
        * config/i386/i386.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG
        for MODULE_LOCAL_P symbols too.
        * config/ia64/ia64.c (ia64_encode_section_info): Handle
        MODULE_LOCAL_P symbols the same way as local symbols.
        Add SDATA_NAME_FLAG_CHAR even if decl was explicitely forced
        into .sdata/.sbss by the user.
        * doc/extend.texi (Function Attributes): Document visibility
        attribute.

2002-02-26  Jakub Jelinek  <jakub@redhat.com>

        PR debug/5770
        * dwarf2out.c (rtl_for_decl_location): Return CONST_STRING for
        STRING_CST initializer spanning the whole variable without
        embedded zeros.
        If expand_expr returned MEM, don't use it.

2002-02-26  Alexandre Oliva  <aoliva@redhat.com>

        * dwarf2out.c (gen_inlined_subroutine_die): If block is abstract,
        generate a die for the lexical block.

2002-02-26  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Add a prototype for
        compute_logical_op_length.
        * config/h8300/h8300.c (compute_logical_op_length): New.
        * config/h8300/h8300.md (anonymous logical patterns): Use
        compute_logical_op_length for length.

2002-02-26  Aldy Hernandez  <aldyh@redhat.com>

        * dwarf2out.c (modified_type_die): Do not call type_main_variant
        for vectors.
        (gen_type_die): Same.

        * attribs.c (handle_vector_size_attribute): Set debug information.

2002-02-26  Daniel Egger  <degger@fhm.edu>

        * config/rs6000/rs6000.md: Swap define_insn attributes to
        fix incorrect generation of merge high instructions instead
        of merge low.

2002-02-26  Aldy Hernandez  <aldyh@redhat.com>

        * c-typeck.c (really_start_incremental_init): Use
        bitsize_zero_node for vectors.

2002-02-26  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md (get_vrsave_internal): Fix typo.
        ("*set_vrsave_internal"): Same.

2002-02-25  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_expr) [MULT_EXPR]: Do not apply distributive law
        in EXPAND_SUM case.  Use host_integerp/tree_low_cst.

2002-02-25  Jakub Jelinek  <jakub@redhat.com>

        PR target/5755
        * config/i386/i386.c (ix86_return_pops_args): Only pop
        fake structure return argument if it was passed on the stack.

2002-02-25  Jason Merrill  <jason@redhat.com>

        * attribs.c (decl_attributes): Also re-layout PARM_DECL and
        RESULT_DECL.

2002-02-25  Alexandre Oliva  <aoliva@redhat.com>

        * gcc.c (init_gcc_specs): Get -shared-libgcc along with -shared to
        link with shared_name only.
        * doc/invoke.texi (Link Options): Document new behavior.

2002-02-25  Aldy Hernandez  <aldyh@redhat.com>

        * c-typeck.c (push_init_level): Handle vectors.

2002-02-25  Alexandre Oliva  <aoliva@redhat.com>

        * config/sparc/sparc.c (const64_high_operand): Zero-extend
        operands of SPARC_SETHI_P.
        (input_operand): Likewise.
        (sparc_emit_set_const32): Likewise.
        * config/sparc/sparc.h (SPARC_SETHI_P): Disregard TARGET_ARCH64.
        (SPARC_SETHI32_P): Zero-extend operand from 32 bits.
        (CONST_OK_FOR_LETTER_P): Use SETHI32 for `K'.  Add `N' as SETHI.
        * config/sparc/sparc.md (movdi_insn_sp64_novis): Use `N'.
        (movdi_insn_sp64_vis): Likewise.
        (movdi split, movdf split): Use SETHI32.
        * doc/md.texi: Document SPARC constraints L, M and N.

2002-02-25  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("get_vrsave_internal"): New.
        ("*set_vrsave_internal"): use mfspr for Darwin.

        * config/rs6000/rs6000.c (rs6000_emit_prologue): Call
        gen_get_vrsave_internal.

Sun Feb 24 16:38:56 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * optabs.c (widen_operand): Properly handle CONST_INT for NO_EXTEND.

2002-02-24  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpplex.c (cpp_interpret_charconst): Get signedness or
        otherwise of wide character constants correct.
        * cppexp.c (lex): Get signedness of wide charconsts correct.

Sun Feb 24 07:41:31 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * optabs.c (widen_operand): Only call convert_modes for
        promoted SUBREG if signedness matches.
        * config/alpha/alpha.md (*addsi_se2, *subsi_se2): New patterns.

2002-02-23  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpplib.c (glue_header_name): Use local buffer to build up
        header name.

2002-02-23  Neil Booth  <neil@daikokuya.demon.co.uk>

        * doc/cpp.texi, doc/invoke.texi: Update documentation for -MM.

2002-02-23  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (output_simode_bld): Handle H8/300 and
        H8/300[HS] separately.
        * config/h8300/h8300.md: Remove the early clobber constraint
        from bit field patterns.

2002-02-23  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (mulqihi3): Tighten predicates to
        register_operand.
        (mulhisi3): Likewise.
        (umulqisi3): Likewise.
        (umulhisi3): Likewise.

2002-02-23  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppinit.c (output_deps): Correct test for stdout output.
        (init_dependency_output): Cure warning.

Sat Feb 23 08:42:47 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (store_expr): When converting expression to promoted
        equivalent type, allow using SUBREG_REG of TARGET as the target
        of the expansion of EXP.
        * loop.c (basic_induction_var, case SUBREG): Always look inside.
        * config/alpha/alpha.c (rtx_equiv_function_matters): Delete decl.
        (alpha_emit_set_const): Handle SImode when can't make new pseudos.
        (alpha_emit_set_const_1, alpha_sa_mask): Use no_new_pseudos.
        * config/alpha/alpha.md (addsi3, subsi3): Don't use if optimizing.

2002-02-23  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/contribute.texi, doc/extend.texi, doc/install.texi,
        doc/invoke.texi, doc/md.texi, doc/passes.texi, doc/rtl.texi,
        doc/standards.texi, doc/tm.texi: Remove trailing whitespace.

2002-02-23  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/5747
        * loop.c (scan_loop): Update reg info if move_movables created new
        pseudos.

2002-02-23  David Edelsohn  <edelsohn@gnu.org>

        * gcc.c (init_gcc_spec): Revert last change.

2002-02-23  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.md (load_toc_aix_{si,di}): Use
        gpc_reg_operand constraint.

2002-02-23  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (num_insns_constant): Fix formatting.
        Simplify comparison of `low'.
        (add_operand): Fix formatting.
        (non_add_cint_operand): Use CONST_OK_FOR_LETTER_P.
        (mask_operand): Disallow mask to wrap in 64-bit mode.
        (rs6000_stack_info): Remove redundant test setting push_p.
        (output_toc): Fix formatting.
        * config/rs6000/rs6000.md (boolsi3, boolcsi3 splitters): Use
        cc_reg_not_cr0_operand constraint.
        (booldi3, boolcdi3 splitters): Same.

2002-02-23  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h: Add extra level of parentheses on casts.

2002-02-22  David Edelsohn  <edelsohn@gnu.org>

        * gcc.c (init_gcc_spec): Do not link with static libgcc.a if
        gcc invoked with -shared-libgcc.

2002-02-22  Jakub Jelinek  <jakub@redhat.com>

        PR c++/5748
        * stmt.c (expand_anon_union_decl): Set TREE_USED on the anon union
        decl if any of elements was TREE_USED.

2002-02-22  Alexandre Oliva  <aoliva@redhat.com>

        * config/sparc/sol2.h: Don't include sys/mman.h.
        * config/sparc/sparc.c (arith_operand): Use SMALL_INT32.
        (arith_4096_operand): Don't throw high bits away.
        (const64_operand): Take sign extension of CONST_INTs into account.
        (const64_high_operand, sparc_emit_set_const32): Likewise.
        (GEN_HIGHINT64): Likewise.
        (sparc_emit_set_const64_quick1): Likewise.
        (const64_is_2insns): Likewise.
        (print_operand): Use trunc_int_for_mode for sign extension.
        * config/sparc/sparc.h (SMALL_INT32): Likewise.
        * config/sparc/sparc.md (movqi): Sign-extend CONST_DOUBLE
        chars.  Assume CONST_INT is already properly sign-extended.
        (movdi split): Sign-extend each SImode part.
        (andsi3 split): Don't mask high bits off, so that result
        remains properly sign-extend.
        (iorsi3 split): Likewise.
        (xorsi3 split): Likewise.

2002-02-22  Richard Sandiford  <rsandifo@redhat.com>

        * fold-const.c (fold): Fix typo in comments.

2002-02-21  Diego Novillo  <dnovillo@redhat.com>

        * Makefile.in (langhooks.o): Update dependencies.

2002-02-21  Diego Novillo  <dnovillo@redhat.com>

        * langhooks.c: Include flags.h.

2002-02-21  Aldy Hernandez  <aldyh@redhat.com>

        * testsuite/gcc.dg/attr-alwaysinline.c: New.

        * c-common.c (c_common_post_options): Set inline trees by
        default.

        * doc/extend.texi (Function Attributes): Document always_inline
        attribute.
        Update documentation about inlining when not optimizing.

        * cp/decl.c (duplicate_decls): Merge always_inline attribute.

        * cp/tree.c (cp_cannot_inline_tree_fn): Do not inline at -O0
        unless DECL_ALWAYS_INLINE.

        * c-objc-common.c (c_cannot_inline_tree_fn): Do not inline at -O0
        unless DECL_ALWAYS_INLINE.
        (c_disregard_inline_limits): Disregard if always_inline set.

        * langhooks.c (lhd_tree_inlining_disregard_inline_limits):
        Disregard if always_inline set.
        (lhd_tree_inlining_cannot_inline_tree_fn): Do not inline at -O0
        unless DECL_ALWAYS_INLINE.

        * attribs.c (handle_always_inline_attribute): New.
        (c_common_attribute_table): Add always_inline.

        * config/rs6000/altivec.h: Add prototypes for builtins
        requiring the always_inline attribute.

2002-02-21  Eric Christopher  <echristo@redhat.com>

        * expmed.c (store_bit_field): Try to simplify the subreg
        before generating a new one when when the mode size of
        value is less than maxmode.

2002-02-21  Richard Henderson  <rth@redhat.com>

        * emit-rtl.c (offset_address): Use simplify_gen_binary rather
        than gen_rtx_PLUS to form the sum.
        * explow.c (force_reg): Rearrange to not allocate new pseudo
        when force_operand returns a register.
        * expr.c (expand_assignment): Allow offset_rtx expansion to
        return a sum.  Do not force addresses into registers.
        (expand_expr): Likewise.
        * simplify-rtx.c (simplify_gen_binary): Use simplify_plus_minus
        to canonicalize arithmetic that didn't simpify.
        (simplify_plus_minus): New argument force; update
        all callers.  Don't split CONST unless we can do something with it,
        and wouldn't lose the constness of the operands.

        * config/i386/i386.c (legitimize_pic_address): Recognize UNSPECs
        that we generated earlier.

2002-02-21  Tom Tromey  <tromey@redhat.com>

        * dwarf2out.c (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
        (output_line_info): Use constant `1', with a long explanatory
        comment.
        * system.h (DWARF_LINE_MIN_INSTR_LENGTH): Poison.

Thu Feb 21 22:43:44 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * jump.c (redirect_jump): If old label has no UID, don't try to
        delete it.

Thu Feb 21 21:17:21 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.md (insv): Provide byte offsets for gen_rtx_SUBREG.
        If input is constant, do shifts at compile time.

2002-02-21  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/extend.texi: Fix some more overfull hboxes.

2002-02-21  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/4994
        * config/i386/i386.md (movsi_1, movsf_1): Support MMX -> MMX
        register moves.

2002-02-21  Jakub Jelinek  <jakub@redhat.com>

        PR c++/4574
        * expr.h (expand_and): Add mode argument.
        * expmed.c (expand_and): Add mode argument.
        (expand_mult_highpart_adjust, emit_store_flag): Adjust callers.
        * expr.c (store_field, expand_expr, do_store_flag): Likewise.
        * except.c (expand_builtin_extract_return_addr): Likewise.
        * config/alpha/alpha.c (alpha_initialize_trampoline): Likewise.
        * config/sparc/sparc.c (sparc_initialize_trampoline): Likewise.
        * config/c4x/c4x.h (INITIALIZE_TRAMPOLINE): Likewise.
        Use GEN_INT (x) instead of gen_rtx (CONST_INT, VOIDmode, x).
        * config/c4x/c4x.md: Use GEN_INT (x) instead of
        gen_rtx (CONST_INT, VOIDmode, x).

2002-02-21  Jakub Jelinek  <jakub@redhat.com>

        PR c/4697:
        * stmt.c (warn_if_unused_value): Move side effects test once more.

2002-02-20  Torbjorn Granlund  <tege@swox.com>

        * config/avr/avr.md: Add more patterns for mized-mode add and subtract
        (addsi3_zero_extend, subhi3_zero_extend1, subsi3_zero_extend).

Thu Feb 21 16:20:46 2002  Alexandre Oliva  <aoliva@redhat.com>

        * rtlanal.c (replace_rtx): Don't make a CONST_INT the operand of
        SUBREG or ZERO_EXTEND.

Thu Feb 21 15:35:46 2002  J"orn Rennecke <joern.rennecke@superh.com>

        * sh.h (current_function_anonymous_args): Remove.
        (SETUP_INCOMING_VARARGS): Don't set it - just check that one
        of current_function_varargs and current_function_stdarg is set.
        * sh.c (sh_expand_prologue): Check current_function_varargs /
        current_function_stdarg / TARGET_SH5 instead of
        current_function_anonymous_args.

        * sh64.h (TARGET_VERSION): Define.

2002-02-20  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (EPILOGUE_USES): Conditionalize
        VRSAVE_REGNO on TARGET_ALTIVEC.

2002-02-20  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (includes_lshift_p): Mask irrelevant
        bits of SImode const_int.
        (includes_rshift_p): Likewise.
        (print_operand): Call mask_operand and mask64_operand with correct
        mode.
        (rs6000_output_function_epilogue): Pad traceback table to word.
        * config/rs6000/rs6000.h (MASK_64BIT): Correct comment.
        (EXTRA_CONSTRAINT, 'S' and 'T'): Call mask_operand and
        mask64_operand with correct mode.
        (FUNCTION_ARG_REGNO_P): Correct parentheses.

2002-02-20  Jakub Jelinek  <jakub@redhat.com>

        PR debug/4461
        * varasm.c (get_pool_constant_mark): New.
        * rtl.h (get_pool_constant_mark): Add prototype.
        * dwarf2out.c (mem_loc_descriptor): A pool constant cannot
        be represented if it has not been output.

2002-02-20  Alexandre Oliva  <aoliva@redhat.com>

        * combine.c (do_SUBST): Sanity check substitutions of
        CONST_INTs, and reject them in SUBREGs and ZERO_EXTENDs.
        (subst): Simplify SUBREG or ZERO_EXTEND instead of SUBSTing a
        CONST_INT into its operand.
        (known_cond): Likewise, for ZERO_EXTEND.
        * simplify-rtx.c (simplify_unary_operation): Fix condition to
        allow for simplification of wide modes.  Reject CONST_INTs in
        ZERO_EXTEND when their actual mode is not given.

2002-02-20  Alexandre Oliva  <aoliva@redhat.com>

        * c-decl.c (pushdecl): If no global declaration is found for an
        extern declaration in block scope, try a limbo one.

2002-02-20  Jakub Jelinek  <jakub@redhat.com>

        PR c++/4401
        * c-common.c (pointer_int_sum): Moved from...
        * c-typeck.c (pointer_int_sum): ...here.
        * c-common.h (pointer_int_sum): Add prototype.

2002-02-20  Jakub Jelinek  <jakub@redhat.com>

        PR c++/5713
        * c-decl.c (duplicate_decls): Return 0 if issued error about
        redeclaration.

2002-02-20  Roger Sayle  <roger@eyesopen.com>
            Jakub Jelinek  <jakub@redhat.com>

        PR c/4389
        * tree.c (host_integerp): Ensure that the constant integer is
        representable in a HOST_WIDE_INT or an unsigned HOST_WIDE_INT
        when pos is zero or non-zero respectively.  Clarify comment.
        * c-format.c (check_format_info_recurse): Fix host_integerp
        usage; the pos argument should be zero when assigning to a
        signed HOST_WIDE_INT.

2002-02-20  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (ix86_expand_vector_move): Use the mode
        of the operand, rather than assuming TImode.
        (ix86_expand_binop_builtin): Cope with commutative patterns
        using nonimmediate_operand for both operands.
        (ix86_expand_timode_binop_builtin): Likewise.
        (ix86_expand_store_builtin): Validate operand 1.
        (ix86_expand_unop1_builtin): Likewise.

2002-02-20  Philip Blundell  <philb@gnu.org>

        PR 5705
        * config/arm/arm.h (HARD_REGNO_RENAME_OK): New macro.

2002-02-20  Richard Henderson  <rth@redhat.com>

        PR c/5615
        * expr.h (ARGS_SIZE_TREE): Convert size.var to ssizetype.

2002-02-20  Tom Tromey  <tromey@redhat.com>

        * config/fr30/fr30.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
        * config/sh/sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
        * config/pj/pj.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
        * config/cris/cris.h (DWARF_LINE_MIN_INSTR_LENGTH): Removed.
        * dwarf2out.c (DWARF_LINE_MIN_INSTR_LENGTH): Define
        unconditionally.

Wed Feb 20 00:03:25 EST 2002 Alan Matsuoka <alanm@redhat.com>

        * config/rs6000/rs6000.h (LEGITIMATE_OFFSET_ADDRESS_P): Look
          for (const_int 0) in X not just INTVAL.

2002-02-20  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/extend.texi: Avoid or reduce overfull hboxes.

2002-02-20  Diego Novillo  <dnovillo@redhat.com>

        * expmed.c (store_bit_field): Do not store bit fields using SUBREG
        operations if the field does not start at a mode boundary.

2001-02-20      Joel Sherrill <joel@OARcorp.com>

        * config/a29k/rtems.h, config/arm/rtems-elf.h, config/h8300/rtems.h,
        config/mips/rtems.h: Use new style of -Asystem= rather than -Asystem().
        Also done for -Acpu and -Amachine.

2002-02-20  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppinit.c (init_dependency_output): Take deps output file
        from -o if none given with -MF.  Suppress normal output.
        * gcc.c (cpp_unique_options): Have -M and -MM imply -E.
        * doc/cpp.texi, doc/invoke.texi: Update.

2002-02-19  Zack Weinberg  <zack@codesourcery.com>

        * toplev.c (output_quoted_string): Write unprintable
        characters with octal escapes.

2002-02-19  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (CONDITIONAL_REGISTER_USAGE): Set
        really_call_used[VRSAVE_REGNO] if not Altivec.

2002-02-19  Alan Modra  <amodra@bigpond.net.au>

        * config/rs6000/rs6000.c (u_short_cint_operand): Mask op with
        MODE_MASK.
        (constant_pool_expr_1): Fix formatting.
        (rs6000_legitimize_reload_address): Likewise.

Tue Feb 19 20:13:57 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/sparc/sparc.md (nonlocal_goto): Use hard_frame_pointer_rtx
        now that we have one.

2002-02-19  Zack Weinberg  <zack@codesourcery.com>

        * tree.h (struct tree_common): Remove aux.  Add unused_0 at
        end of first block of bitfields (which was only seven bits);
        rename dummy to unused_1; remove comment which is no longer true.

2002-02-19  Gaute B Strokkenes <gs234@cam.ac.uk>

        * doc/c-tree.texi (Classes, TYPE_BINFO): Fix typo.

2002-02-19  Philip Blundell  <pb@nexus.co.uk>

        PR 5399
        * config/arm/arm.h (THUMB_LEGITIMATE_CONSTANT_P): Accept anything
        if generating PIC.

        PR 5054
        * config/arm/arm.md (call_insn) [TARGET_THUMB]: Use
        arm_is_longcall_p rather than inspecting call-type cookie
        directly.
        (call_value_insn) [TARGET_THUMB]: Likewise.

2002-02-19  Graham Stott  <grahams@redhat.com>

        * config/i386/i386.c (ix86_expand_builtin): Fix typo.

2002-02-19  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/linux64.h (LINK_OS_LINUX_SPEC): Look in /lib64.
        ({STARTFILE,ENDFILE}_LINUX_SPEC): Define.
        (FP_SAVE_INLINE): Delete.

        * config/rs6000/sysv4.h (ENDFILE_SPEC): Add crtsaveres.o.
        * config/rs6000/eabi.asm: Remove ABI save restore routines.
        * config/rs6000/t-ppccomm: Build crtsavres.o.
        * config/rs6000/crtsavres.asm: New file.

2002-02-19  Philip Blundell  <philb@gnu.org>

        * config/arm/arm.c (use_return_insn): Don't reject interrupt
        functions.
        (arm_compute_save_reg_mask): Save LR for interrupt functions too.
        (output_return_instruction): Allow interrupt functions to return with
        ldmfd sp!, {... pc}^.  Use LDR to restore any single register.
        (arm_expand_prologue): Subtract 4 before stacking LR in an
        interrupt function.

2002-02-19  Philip Blundell  <pb@nexus.co.uk>

        * config/arm/arm.c (arm_encode_call_attribute): Operate on any
        decl, not just FUNCTION_DECL.
        (legitimize_pic_address): Handle local SYMBOL_REF like LABEL_REF.
        (arm_assemble_integer): Likewise.
        * config/arm/arm.h (ARM_ENCODE_CALL_TYPE): Allow any decl to be
        marked local.

2002-02-19  matthew green  <mrg@eterna.com.au>

        * config.gcc (sparc-*-netbsdelf*): Enable target.
        (sparc64-*-netbsd*): New target.
        * config/sparc/netbsd-elf.h: New file.
        * config/sparc/t-netbsd64: New file.

2002-02-19  Gaute B Strokkenes <gs234@cam.ac.uk>

        * doc/rtl.texi (Flags, MEM_SCALAR_P): Fix typo.

2002-02-19  Ryan T. Sammartino <ryants@shaw.ca>

        * doc/invoke.texi: explicitly list the style guidelines that
        -Weffc++ checks for.

Tue Feb 19 12:37:23 CET 2002  Jan Hubicka  <jh@suse.cz>

        * regmove.c (regmove_optimize): Avoid increasing of register pressure.

2002-02-19  Neil Booth  <neil@daikokuya.demon.co.uk>

        PR other/5718
        * gcc.c (cpp_unique_options): Treat -o as indicating object file
        only if not -E.  If -E, pass -o through to the preprocessor.

2002-02-19  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h (REGNO_REG_CLASS): Replace a literal
        register number with an appropriate macro.

2002-02-19  Bryce McKinlay  <bryce@waitaki.otago.ac.nz>

        * doc/rtl.texi (Constants): Close @code tag.

2002-02-19  Aldy Hernandez  <aldyh@redhat.com>

        * config/i386/i386.md ("mmx_uavgv8qi3"): Use const_vector.
        ("mmx_uavgv4hi3"): Same.
        ("pmulhrwv4hi3"): Same.

        * tree-inline.c (walk_tree): Handle vectors.

        * c-common.c (constant_expression_warning): Handle vectors.
        (overflow_warning): Same.

        * sched-deps.c (sched_analyze_2): Handle vectors.

        * rtlanal.c (rtx_unstable_p): Handle vectors.
        (rtx_varies_p): Same.
        (count_occurrences): Same.
        (regs_set_between_p): Same.
        (modified_between_p): Same.
        (modified_in_p): Same.
        (volatile_insn_p): Same.
        (volatile_refs_p): Same.
        (side_effects_p): Same.
        (may_trap_p): Same.
        (inequality_comparisons_p): Same.
        (replace_regs): Same.
        (computed_jump_p_1): Same.

        * rtl.c (DEF_MACHMODE): Change all definitions to accept 8th
        argument.
        (inner_mode_array): New.
        (copy_rtx): Handle vectors.
        (copy_most_rtx): Same.
        (rtx_equal_p): Same.
        (get_mode_alignment): Adjust for vectors.

        * resource.c (mark_referenced_resources): Handle vectors.
        (mark_set_resources): Same.

        * reload1.c (eliminate_regs): Handle vectors.
        (elimination_effects): Same.
        (scan_paradoxical_subregs): Same.

        * reload.c (subst_reg_equivs): Handle vectors.

        * regrename.c (scan_rtx): Handle vectors.

        * regclass.c (reg_scan_mark_refs): Handle vectors.

        * recog.c (find_single_use_1): Handle vectors.

        * local-alloc.c (equiv_init_varies_p): Handle vectors.
        (contains_replace_regs): Same.
        (memref_referenced_p): Same.

        * integrate.c (copy_rtx_and_substitute): Handle vectors.
        (subst_constants): Same.

        * genattrtab.c (attr_copy_rtx): Handle vectors.
        (encode_units_mask): Same.
        (clear_struct_flag): Same.
        (count_sub_rtxs): Same.

        * gcse.c (want_to_gcse_p): Handle vectors.
        (oprs_unchanged_p): Same.
        (hash_expr_1): Same.
        (oprs_not_set_p): Same.
        (expr_killed_p): Same.
        (compute_transp): Same.
        (store_ops_ok): Same.

        * function.c (purge_addressof_1): Do not allow paradoxical subregs
        of vectors.
        (fixup_var_refs_1): Same.
        (instantiate_virtual_regs_1): Same.

        * fold-const.c (operand_equal_p): Handle vectors.
        (fold): Same.
        (rtl_expr_nonnegative_p): Same.

        * flow.c (mark_used_regs): Handle vectors.

        * df.c (df_uses_record): Handle vectors.

        * cselib.c (cselib_subst_to_values): Handle vectors.
        (cselib_mem_conflict_p): Same.
        (hash_rtx): Same.

        * cse.c (canon_reg): Handle vectors.
        (fold_rt): Same.
        (cse_process_notes): Same.
        (count_reg_usage): Same.
        (canon_hash): Same.

        * alias.c (nonlocal_mentioned_p): Add case for CONST_VECTOR.

        * combine.c (mark_used_regs_combine): Add case for CONST_VECTOR.

        * emit-rtl.c (init_emit_once): Generate const0_rtx for vectors.
        (gen_rtx): Handle CONST_VECTOR.
        (gen_const_vector_0): New.
        (copy_rtx_if_shared): CONST_VECTORs can be shared.
        (reset_used_flags): Same.
        (copy_insn_1): Same.
        (initializer_constant_valid_p): Handle VECTOR_CST.

        * doc/c-tree.texi (Expression trees): Document VECTOR_CST.

        * doc/rtl.texi (Constants): Document const_vector.
        (CONST0_RTX): Update for vectors.
        (RTL sharing): Same.

        * print-tree.c (print_node): Add case for VECTOR_CST.

        * tree.h (TREE_VECTOR_CST_ELTS): New.
        (struct tree_vector): New.
        (union tree_node): Add vector node.
        (build_vector): Add prototype.

        * tree.def (VECTOR_CST): New.

        * tree.c (build_vector): New.

        * expmed.c (make_tree): Handle CONST_VECTOR.

        * rtl.h (CONSTANT_P): CONST_VECTORs are constants too.
        (CONST_VECTOR_ELT): New.
        (CONST_VECTOR_NUNITS): New.

        * machmode.h (GET_MODE_INNER): New.
        (DEF_MACHMODE): Accept 8th arg.

        * machmode.def: Add 8th argument for vector inner mode.
        Add inner vector modes for vectors.

        * rtl.def (VEC_CONST): Remove.
        (CONST_VECTOR): New.

        * expr.c (clear_storage): Allow vectors.
        (is_zeros_p): Handle VECTOR_CST.

        * varasm.c (output_constant_pool): Handle vectors.
        (rtx_const): Add veclo and vechi fields.
        (kind): Add RTX_VECTOR.
        (decode_rtx_const): Add case for vector.

        * config/rs6000/rs6000-protos.h: Add zero_constant.

        * config/rs6000/rs6000.c (rs6000_emit_move): Handle vector
        constants.  Force easy vector constants into memory.
        (easy_vector_constant): New.
        (emit_easy_vector_constant): New.
        (rs6000_legitimize_reload_address): Do not generate bad reloads on
        darwin.

        * config/rs6000/rs6000.md ("altivec_lvx"): Reflect what
        instruction does.
        ("altivec_lvxl"): Same.
        (altivec_lvebx): Same.
        (altivec_lvehx): Same.
        (altivec_lvewx): Same.
        ("*movv4si_const0"): New.
        ("*movv4sf_const0"): New.
        ("*movv8hi_const0"): New.
        ("*movv16qi_const0"): New.

2002-02-18  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (notice_update_cc): Use
        cc_status.value2.

2002-02-18  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (divmod patterns): Change the
        constraints for operands[1] to register_operand.

2002-02-18  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Remove the prototype for
        p_operand.
        * config/h8300/h8300.c (p_operand): Remove.
        * config/h8300/h8300.md: Replace p_operand with
        const_int_operand.

2002-02-18 Philip Blundell <pb@nexus.co.uk>

        * config/arm/arm.c (arm_compute_save_reg_mask): Fix typo in
        comment.
        (output_return_instruction): Allow use of LDR to unstack
        return addresss even for interrupt handlers or when
        interworking.  If compiling for ARMv5, use interworking-safe
        return instructions by default.  Remove duplicated code and
        lengthy "strcat" sequences.

2002-02-18  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * config/rs6000/sysv4.h (STARTFILE_SPEC): Use crtbeginT.o for -static.
        (LINK_EH_SPEC): Define.
        * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbeginT.o.

2002-02-18  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_emit_prologue): Do not set the
        frame_related flag for call-clobbered registers.

Mon Feb 18 15:07:35 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386.c (classify_argument): Properly classify SSE/MMX modes and VOIDmode.
        (construct_container): Fix handling of SSE operands.
        (ix86_expand_builtin): Fix handling of 64bit pointers.
        (mmx_maskmovq_rex): New pattern.

Mon Feb 18 11:55:55 CET 2002  Jan Hubicka  <jh@suse.cz>

        * regrename.c (kill_set_value): Handle subregs properly.

2002-02-18  David Billinghurst <David.Billinghurst@riotinto.com>

        * objc/objc-act.c (handle_impent): Remove leading '*'
        from objc_class_name.

2002-02-17  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (some_small_symbolic_operand,
        some_small_symbolic_operand_1, split_small_symbolic_operand,
        split_small_symbolic_operand_1): Rename from *symbolic_mem_op*.
        Handle small SYMBOL_REFs anywhere, not just inside memories.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.h (PREDICATE_CODES): Update.
        * config/alpha/alpha.md (small symbolic operand splitter): Update.

2002-02-17  Roland McGrath  <roland@frob.com>

        * config.gcc (powerpc-*-gnu-gnualtivec*,
        powerpc-*-gnu*, powerpc64-*-gnu*): New configurations.
        * config/rs6000/gnu.h: New file.
        * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS):
        Grok "gnu" in rs6000_abi_name.
        (ASM_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC,
        CPP_ENDIAN_SPEC, CPP_SPEC, STARTFILE_SPEC, LIB_SPEC, ENDFILE_SPEC):
        Grok -mcall-gnu analogous to -mcall-linux et al.
        (LIB_GNU_SPEC, STARTFILE_GNU_SPEC, ENDFILE_GNU_SPEC,
        LINK_START_GNU_SPEC, LINK_OS_GNU_SPEC, CPP_OS_GNU_SPEC): New macros.
        (SUBTARGET_EXTRA_SPECS): Add *_os_gnu specs using them.

2002-02-17  Jakub Jelinek  <jakub@redhat.com>

        PR c/3444:
        * c-typeck.c (build_binary_op) [BIT_XOR_EXPR]: Remove explicit
        shortening.

2002-02-17  Philipp Thomas  <pthomas@suse.de>

        * config/cris/cris.h: Undefine STARTFILE_SPEC and
        ENDFILE_SPEC before (re)defining them.

2002-02-17  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c: Fix formatting.
        * config/h8300/h8300.h: Likewise.

2002-02-17  Philipp Thomas  <pthomas@suse.de>

        * doc/tm.texi: Explain why empty strings should not be
        marked for translation.

2002-02-17  Philipp Thomas  <pthomas@suse.de>

        * final.c (output_operand_lossage): Changed to accept
        printf style arguments. Change calls where necessary.
        * output.h (output_operand_lossage): Change declaration
        accordingly. Update copyright.
        * config/arc/arc.c config/fr30/fr30.c config/m32r/m32r.c
        config/m88k/m88k.c : Adapt all calls to output_operand_lossage.
        Update copyright date where necessary.

        * config/i386/i386.c (print_operand): Likewise. Remove use of
        sprintf.

        * config/cris/cris.c (cris_operand_lossage): Likewise.
        Rename parameter so that exgettext recognizes it as
        translatable message.
        (LOSE_AND_RETURN): Rename parameter to msgid.

2002-02-17  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h (CONDITIONAL_REGISTER_USAGE): Replace a
        hard coded register number with an appropriate macro.
        (HARD_REGNO_MODE_OK): Likewise.
        (ARG_POINTER_REGNUM): Likewise.
        (STATIC_CHAIN_REGNUM): Likewise.
        (RETURN_ADDRESS_POINTER_REGNUM): Likewise.
        * config/h8300/h8300.md (define_constants): Define more
        register numbers.

2002-02-17  Philipp Thomas  <pthomas@suse.de>

        * config/i386/i386.h: Don't mark empty strings for translation.

2002-02-16  H.J. Lu <hjl@gnu.org>

        * config/mips/linux.h (ASM_PREFERRED_EH_DATA_FORMAT): New.

2002-02-16  Zack Weinberg  <zack@codesourcery.com>

        * cppinit.c (merge_include_chains): Check for brack being
        NULL before attempting to merge it with qtail.

2002-02-16  Andrew Cagney  <ac131313@redhat.com>

        * config/rs6000/netbsd.h (PREFERRED_DEBUGGING_TYPE): Set to
        DBX_DEBUG.

2002-02-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa/t-pa, pa/t-pro, som.h: Revert last patch.

2002-02-16  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa/t-pa (LIB2FUNCS_EXTRA): Don't build lib2funcs.asm.
        * pa/t-pro (LIB2FUNCS_EXTRA): Likewise.
        * som.h (DO_GLOBAL_DTORS_BODY): Delete define.

Sat Feb 16 13:48:50 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/alpha/alpha.md (*movsi_nt_vms_nofix): Was *movsi_nt_vms;
        now only if !TARGET_FIX.
        (*movsi_nt_vms_fix): New pattern.

2002-02-16  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/alpha.c: Implement null frame procedure types on VMS.
        (alpha_procedure_type): Replaces alpha_is_stack_procedure.
        (alpha_sa_mask, alpha_sa_size): Reflect above change.
        (alpha_pv_save_size, alpha_expand_prologue): Likewise.
        (alpha_start_function, alpha_expand_epilogue): Likewise.
        (unicosmk_gen_dsib): Likewise.

Sat Feb 16 13:39:09 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * expr.c (store_constructor): Handle target REG case for ARRAY_TYPE.

2002-02-16  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (pool_stop_uid, other_chunk, far_away,
        check_and_change_labels, s390_final_chunkify): Delete.
        (s390_split_branches, s390_chunkify_pool): New functions.
        (s390_function_prologue): Call them.

        * config/s390/s390.h (S390_REL_MAX): Delete.
        (S390_CHUNK_MAX, S390_CHUNK_OV): Adjust values.

        * config/s390/s390.md (cjump, icjump, jump): Fix length
        attribute calculation.


2002-02-15  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/linux64.h (STRIP_NAME_ENCODING): Delete.
        * config/rs6000/ppc-asm.h (JUMP_TARGET): Define for powerpc64.

2002-02-15  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * gcc.c (init_gcc_specs): Revert patch from 2002-02-15.
        * config/pa/pa-linux.h (LIB_SPEC): Likewise.
        * config/pa/pa32-linux.h (LINK_COMMAND_SPEC): Likewise.

2002-02-15  Richard Sandiford  <rsandifo@redhat.com>

        * c-decl.c (grokdeclarator): Prevent a segfault on unnamed decls.

2002-02-15  Richard Sandiford  <rsandifo@redhat.com>

        * reload.c (find_dummy_reload): Check that an output register
        is valid for its mode.

2002-02-14  Alexandre Oliva  <aoliva@redhat.com>

        * combine.c (known_cond): After replacing the REG of a SUBREG, try
        to simplify it.

        * function.c (assign_parms): Demote promoted argument passed by
        transparent reference.

2001-02-14      Joel Sherrill <joel@OARcorp.com>

        * config/arm/rtems-elf.h, config/h8300/rtems.h: Removed redundant
        -Acpu() and -Amachine() to eliminate warnings.

2002-02-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/linux.h (ASM_OUTPUT_ALIGNED_BSS): New.

2002-02-14  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Update the prototype for
        const_costs.
        * config/h8300/h8300.c (const_costs): Treat SET as a little
        more expensive operation.
        * config/h8300/h8300.h (DEFAULT_RTX_COSTS): Update the
        reference to const_costs.

2002-02-14  Hans-Peter Nilsson  <hp@axis.com>

        * config.gcc (c4x-*-rtems*): Fix typo in tm_file setting.

2002-02-14  Jakub Jelinek  <jakub@redhat.com>

        PR c/5503:
        * c-decl.c (duplicate_decls): If builtin type has TYPE_ARG_TYPES NULL,
        use arguments from newtype.

2002-02-13  Eric Christopher  <echristo@redhat.com>

        * config/mips/mips.c (override_options): Add check for march/mipsX
        on the same command line. Fix error message in cpu processing.
        Remove architecture and ISA checks.

2002-02-14  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/darwin.h (ROUND_TYPE_ALIGN): Adjust for vectors.

        * config/rs6000/sysv4.h (ROUND_TYPE_ALIGN): Add MAX.

2002-02-14  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md ("*movv4si_internal"): Add m<-r and r<-r
        alternatives.
        ("*movv8hi_internal1"): Same.
        ("*movv16qi_internal1"): Same.
        ("*movv4sf_internal1"): Same.

        * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
        not push_reload for altivec modes.

2002-02-13  Joel Sherrill  <joel@OARcorp.com>

        * config.gcc (a29k-*-rtems), config/a29k/rtems.h: General cleanup across
        all RTEMS targets including removal of #includes from config/*/rtems*.h
        file and adding them to tm_file setting. Added xm_defines=POSIX to
        many targets.
        * config.gcc (c4x-*-rtems), config/c4x/rtems.h: Ditto.
        * config.gcc (h8300-*-rtems), config/h8300/rtems.h: Ditto.
        * config.gcc (hppa1.1-*-rtems), config/pa/rtems.h: Ditto.
        * config.gcc (i960-*-rtems), config/i960/rtems.h: Ditto.
        * config.gcc (m68k-*-rtems*), config/m68k/rtems.h,
        config/m68k/rtemself.h: Ditto.
        * config.gcc (mips*-*-rtems*), config/mips/rtems.h,
        config/mips/rtems64.h: Ditto.
        * config.gcc (powerpc-*-rtems*), config/rs6000/rtems.h: Ditto.
        * config.gcc (sh-*-rtems*), config/sh/rtems.h, config/sh/rtemself.h:
        Ditto.
        * config.gcc (sparc-*-rtems*), config/sparc/rtems.h,
        config/sparc/rtemself.h: Ditto.
        * config.gcc (v850-*-rtems*), config/v850/rtems.h: Ditto.
        * config.gcc (arm-rtems), config/arm/rtems-elf.h: Ditto plus moved
        arm-rtems stanza closer to other arm-elf targets and made arm-rtems
        more like arm-elf.
        * config.gcc (i[34567]86-*-rtems*), config/i386/djgpp-rtems.h,
        config/i386/rtems.h, config/i386/rtemself.h: Ditto plus i386-rtemself
        target made more similar to i386-elf.
        * config/i386/t-rtems-i386: Added soft float support and multilibs.
        * config/m68k/t-m68kbare: Add 68040 and 68060 as multilib alternatives to
        be similar to config/m68k/t-m68kelf.
        * gthr-rtems.h: Encapsulate with extern "C" for C++.

Wed Feb 13 23:41:15 CET 2002  Jan Hubicka  <jh@suse.cz>

        * regmove.c (kill_value): Handle subregs.

Wed Feb 13 23:34:30 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (mul patterns): Allow memory operand to be first;
        add expanders where needed; fix constraints.
        (min?f_nonieee, max?f_nonieee, SSE TImode patterns):
        Allow memory operand to be the first.

        * i386.c (ix86_prepare_fp_compare_args): Fix condition for swapping
        operands.

2002-02-13  Jakub Jelinek  <jakub@redhat.com>

        PR c/5681:
        * expr.c (safe_from_p): Pass VOIDmode to true_dependence instead of
        GET_MODE (x).

2002-02-13  Jakub Jelinek  <jakub@redhat.com>

        PR optimization/5547:
        * config/i386/i386.c (i386_simplify_dwarf_addr): Simplify
        all valid IA-32 address modes involving non-scaled %ebx and
        GOT/GOTOFF as displacement.

2002-02-13  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_final_chunkify): Re-run shorten_branches
        after emitting ltorg insns.

        * config/s390/s390.md (*cmpdf_ccs_0, *cmpdf_ccs, *cmpsf_ccs_0,
        *cmpsf_ccs, truncdfsf2_ieee, *adddf3, *addsf3, *subdf3, *subsf3,
        *muldf3, *mulsf3, *divdf3, *divsf3, *negdf2, *negsf2, *absdf2,
        *abssf2): Fix "op_type" attribute.

2002-02-13  Douglas B Rupp  <rupp@gnat.com>

        * mkconfig.sh: Avoid using a subshell redirect.
        ($output.T): Change to $(output)T.
        (ENABLE_NLS): Remove unneeded undef.

        * config/alpha/vms.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Define.
        * config/alpha/x-vms (libsubdir): Define.

        * config/alpha/vms.h (MD_FALLBACK_FRAME_STATE_FOR): Handle
        register frame procedures. Optimize retrieving context.

        * config/alpha/t-vms (MULTILIB_OPTIONS): Define.
        (MULTILIB_DIRNAME, LIBGCC, INSTALL_LIBGCC): Likewise.
        * config/alpha/vms.h (ASM_FILE_START): Write .arch directive.

Wed Feb 13 09:45:08 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * alias.c (find_base_term, case ZERO_EXTEND, case SIGN_EXTEND):
        Make same change as for find_base_value.

2002-02-13  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h (MODES_TIEABLE_P): Accept a combination
        of QImode and SImode.

2002-02-13  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (h8300_adjust_insn_length): Correct the
        length computation of movsi.
        * config/h8300/h8300.md (movsi_h8300hs): Correct the length.

2002-02-13  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (subqi3): Tighten the predicate for
        operands[2] to register_operand.

Wed Feb 13 10:35:56 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (fop_*_comm_*): allow nonimmediate in the first operand.

2002-02-12  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md: Use predicate altivec_register_operand
        for altivec_lvx* and altivec_stvx*.
        ("*movv4si_internal"): Add constraint for loading from GPRs.
        ("*movv8hi_internal1"): Same.
        ("*movv16qi_internal1"): Same.
        ("*movv4sf_internal1"): Same.

        * config/rs6000/rs6000.c (altivec_register_operand): New.

        * config/rs6000/rs6000.h (PREDICATE_CODES): Add
        altivec_register_operand.

2002-02-13  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c (mmix_assemble_integer) <case 4>: Don't
        handle SYMBOL_REF.

2002-02-13  Stan Shebs  <shebs@apple.com>

        * c-typeck.c (digest_init): Handle vectors.
        (really_start_incremental_init): Same.
        (pop_init_level): Same.
        (process_init_element): Same.

        * varasm.c (output_constant): Same.

        * expr.c (clear_storage): Same.
        (store_constructor): Same.

2002-02-12  Eric Christopher  <echristo@redhat.com>

        * explow.c (hard_function_value): Add comment explaining
        signed/unsigned comparison.

2002-02-12  Jakub Jelinek  <jakub@redhat.com>

        * jump.c (never_reached_warning): Add finish argument.
        If finish is NULL, stop on CODE_LABEL, otherwise stop before first
        real insn after end.
        * rtl.h (never_reached_warning): Adjust prototype.
        * cse.c (cse_insn): Pass NULL as finish to never_reached_warning.
        * cfgrtl.c (flow_delete_block): Pass b->end as finish to
        never_reached_warning.

2002-02-12  Graham Stott  <grahams@redhat.com>

        * config/hp/pa.h (GO_IF_LEGITIMATE_ADDRESS): Fix typos.

2002-02-12  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (shift_alg_hi): Improve the 15-bit
        logical shifts on H8/300.
        (shift_alg_si): Improve several shifts on H8/300.
        (get_shift_alg): Likewise.

2002-02-12  Graham Stott  <grahams@redhat.com>

        * config/pa/pa.c (compute_movstrsi_length): Fix typos.

Tue Feb 12 10:12:56 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * alias.c (find_base_value, case ZERO_EXTEND, case SIGN_EXTEND):
        Handle #ifdef POINTERS_EXTEND_UNSIGNED.

2002-02-11  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c (mmix_assemble_integer) <case 1, 2>: Handle
        non-CONST_INT through default_assemble_integer.
        <case 4>: Likewise, for non-CONST_INT, non-SYMBOL_REF.
        <case 8>: Abort for CONST_DOUBLE.

2002-02-11  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * gcc.c (init_gcc_specs): Add static libgcc to link when "-shared"
        is specified.
        * config/pa/pa-linux.h (LIB_SPEC): Delete.
        * config/pa/pa32-linux.h (LINK_COMMAND_SPEC): Delete.

2002-02-11  Andrew Haley  <aph@cambridge.redhat.com>

        * config/stormy16/stormy16.md (zero_extendqihi2): New.

2002-02-11  Alexandre Oliva  <aoliva@redhat.com>

        * regrename.c (regrename_optimize): Don't accept a
        part-clobbered register if the replaced register is not part
        clobbered.

        * calls.c (store_one_arg): In the non-BLKmode non-partial case,
        take padding into account when computing the argument value.

        * config/sh/sh.h (FUNCTION_ARG_REGNO_P): Fix parenthesizing error.

        * combine.c (try_combine): Apply substitutions in
        CALL_INSN_FUNCTION_USAGE too.

2002-02-11  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (altivec_init_builtins): Handle
        __builtin_altivec_abs*.
        (bdesc_abs): New.

        * config/rs6000/rs6000.h (rs6000_builtins): Add
        ALTIVEC_BUILTIN_ABS*.

        * config/rs6000/altivec.h: Use const char for builtins expecting
        literals.
        (vec_abs): New versions for C and C++.
        (vec_abss): Same.

2002-02-10  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h (INITIALIZE_TRAMPOLINE): Simplify by
        using Pmode.

2002-02-10  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h (STACK_POINTER_REGNUM): Use the
        constant definition from h8300.md.
        (FRAME_POINTER_REGNUM): Likewise.
        * config/h8300/h8300.md (define_constants): Add FP_REG.

2002-02-10  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (print_operand): Remove redundant code.

2002-02-10  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Remove the prototype for byte_reg.
        * config/h8300/h8300.c (byte_reg): Make it static.

2002-02-10  Richard Henderson  <rth@redhat.com>

        PR c/5623
        * c-typeck.c (incomplete_type_error): Handle flexible array members.

2002-02-10  Richard Henderson  <rth@redhat.com>

        PR c++/5624
        * tree.c (append_random_chars): Don't abort if main_input_filename
        does not exist.

2002-02-10  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/t-mmix (MULTILIB_EXTRA_OPTS): Disable.

2002-02-10  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (pushhi1_h8300): Correct the mode used.
        (pushhi1): Likewise.

2002-02-10  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.c (reg_before_reload_operand): Don't accept a SUBREG operand.
        * pa.h (PREDICATE_CODES): Adjust codes for reg_before_reload_operand.

2002-02-09  David O'Brien  <obrien@FreeBSD.org>

        * config/sparc/freebsd.h(TARGET_DEFAULT): Add MASK_EPILOGUE setting and
        remove MASK_VIS.
        (ASM_CPU_DEFAULT_SPEC): Remove.  Default setting is fine.

2002-02-09  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (output_logical_op): Use sub.w to clear
        a half of an SImode register on H8/300.

Sat Feb  9 18:28:02 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (movdi_2): Add missing '!'.

2002-02-09  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h: Fix formatting.  Remove commented-out
        definitions.

2002-02-09  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (length): Correct the distance valid
        for the short branch.

2002-02-09  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (iorhi3): Tighten the predicates.

2002-02-09  Alexandre Oliva  <aoliva@redhat.com>

        * config/sh/sh.h (REGISTER_NATURAL_MODE): Save part-clobbered
        registers in SImode.
        (HARD_REGNO_CALL_PART_CLOBBERED) [TARGET_SHMEDIA32]: Set r18 as
        part-clobbered.

        * config/sh/sh.c (expand_prologue): Fix mis-applied 2001-11-09's
        patch.

        Contribute sh64-elf.
        2002-02-09  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (TARGET_CANNOT_MODIFY_JUMPS_P): Define to...
        (sh_cannot_modify_jumps_p): New function.
        2002-02-05  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (TARGET_MS_BITFIELD_LAYOUT_P): Define to...
        (sh_ms_bitfield_layout_p): New function.
        2002-02-04  Alexandre Oliva  <aoliva@redhat.com>
                    Zack Weinberg  <zack@codesourcery.com>
        * config/sh/sh.h (TRAMPOLINE_ADJUST_ADDRESS): Use
        expand_simple_binop instead of expand_binop.
        2002-02-03  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (OVERRIDE_OPTIONS) [! TARGET_SH5]: Disable
        use of .quad and .uaquad.
        * config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP,
        TARGET_ASM_ALIGNED_DI_OP): Add comment pointing to the above.
        2002-01-24  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (movdi_const, movdi_const_32bit,
        movdi_const_16bit): Make sure all CONSTs have modes.
        (sym2PIC): Ditto, but by adjusting all callers.
        * config/sh/sh.c (calc_live_regs) [TARGET_SHCOMPACT]: Set pr_live
        if the prologue calls the SHmedia argument decoder or register
        saver.
        2002-01-24  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (TARGET_ASM_UNALIGNED_DI_OP): Define.
        (TARGET_ASM_ALIGNED_DI_OP): Likewise.
        (sh_expand_epilogue): Don't emit USE of return target register.
        (prepare_move_operands): Legitimize DImode PIC addresses.
        (sh_media_register_for_return): Skip tr0, used to initialize the
        PIC register.
        (sh_expand_prologue): Remove explicit USE of return register.
        (nonpic_symbol_mentioned_p): PC is non-PIC.  Don't recurse in
        CONST_DOUBLEs.  UNSPEC_GOTPLT is PIC.
        * config/sh/sh.h (ASM_OUTPUT_DOUBLE_INT): Removed, obsolete.
        (OVERRIDE_OPTIONS): Don't disable PIC on SH5.
        (EXTRA_CONSTRAINT_S): Use MOVI_SHORI_BASE_OPERAND_P instead of
        EXTRA_CONSTRAINT_T.
        (GOT_ENTRY_P, GOTPLT_ENTRY_P, GOTOFF_P, PIC_ADDR_P): New.
        (MOVI_SHORI_BASE_OPERAND_P): New.
        (NON_PIC_REFERENCE_P, PIC_REFERENCE_P): New.
        (EXTRA_CONSTRAINT_T): Define in terms of them.
        (OUTPUT_ADDR_CONST_EXTRA): Handle UNSPEC_GOTPLT.
        * config/sh/sh.md (movsi_media, movsi_media_nofpu,
        movdi_media, movdi_media_nofpu): Add SIBCALL_REGS class to
        alternatives supporting TARGET_REGS.
        (UNSPEC_GOTPLT): New constant.
        (movdi split): Move incrementing of LABEL_NUSES...
        (movdi_const, movdi_const_32bit): Here.  Use
        MOVI_SHORI_BASE_OPERAND_P instead of EXTRA_CONSTRAINT_T.
        (movdi_const_16bit): New.
        (call, call_value) [flag_pic]: Use GOTPLT.
        (call_pop, call_value_pop): New expands.
        (call_pop_compact, call_pop_rettramp): New insns.
        (call_value_pop_compact, call_value_pop_rettramp): New insns.
        (sibcall) [flag_pic]: Use GOT.
        (builtint_setjmp_receiver): Remove bogus, unused expand.
        (GOTaddr2picreg): Implement for SHcompact and SHmedia.
        (*pt, *ptb, ptrel): New insns.
        (sym2GOT): Handle DImode GOT.
        (sym2GOTPLT, symGOTPLT2reg): New expands.
        (sym2PIC): New expand.
        (shcompact_return_tramp): Use GOTPLT to return trampoline.
        (shcompact_return_tramp_i): Use return register explicitly.
        * config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SHMEDIA]: Don't
        disable flag_reorder_blocks.
        2002-01-19  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (sibcall_compact): Reorder return, uses and
        clobbers, for clarity.
        (sibcall_epilogue) [TARGET_SHCOMPACT]: Mark saving and
        restoring of r0 in macl as MAYBE_DEAD.
        2002-01-18  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (LONG_DOUBLE_TYPE_SIZE): Define.
        * config/sh/sh.md (movv4sf_i, movv16sf_i): Fix uses of
        alter_subreg all over.
        (jump) [TARGET_SHMEDIA]: FAIL to create new jumps after
        reload, instead of emitting instructions that would require
        reloading.
        (casesi_load_media): Add missing modes.
        2001-11-09  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (sh_expand_prologue): Mark the PIC register
        as used if the argument decoder is called.
        2001-08-28  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (udivsi3, divsi3): Load libcall symbol name in
        Pmode, then extend it to DImode if necessary.
        2001-08-28  Stephen Clarke  <Stephen.Clarke@st.com>
        * config/sh/sh.h (LEGITIMATE_CONSTANT_P): Don't accept DFmode
        constants in FPU-enabled SHmedia, let them be loaded from memory.
        2001-08-28  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media):
        Adjust whitespace in assembly output templates.
        2001-08-28  Stephen Clarke  <Stephen.Clarke@st.com>
        * config/sh/sh.md (movdicc_false, movdicc_true, movdicc): Adjust
        mode of if_then_else.
        2001-08-04  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): Override definition in
        sh.h.
        2001-07-26  Andrew Haley  <aph@cambridge.redhat.com>
                    Joern Rennecke <amylaar@redhat.com>
        * config/sh/sh64.h (CPP_DEFAULT_CPU_SPEC): New.
        (SUBTARGET_CPP_PTR_SPEC): New.
        (SUBTARGET_CPP_SPEC): Remove.
        2001-07-06  Chandrakala Chavva  <cchavva@redhat.com>
        * config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
        Fix typo in previous checkin.
        2001-07-11  Chandrakala Chavva  <cchavva@redhat.com>
        * config/sh/sh.h (MODES_TIEABLE_P): Fix redact indentations.
        2001-07-10  Chandrakala Chavva  <cchavva@cygnus.com>
                    Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (MODES_TIEABLE_P): Don't tie modes wider than
        what single FP register can hold for SHmedia target.
        2001-07-06  Chandrakala Chavva  <cchavva@redhat.com>
                    Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (movsf_media_nofpu+1, movdf_media_nofpu+1):
        Do not split into SUBREG.
        2001-06-14  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/ushmedia.h, config/sh/sshmedia.h: Updated signatures
        and added new functions as specified in SH5 ABI r9.
        2001-06-04  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/lib1funcs.asm (GCC_nested_trampoline): Align to an
        8-byte boundary.
        2001-06-03  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (dump_table): Add const0_rtx in calls of
        gen_consttable_4 and gen_consttable_8.  Emit multiple labels
        and consttable_window_ends.
        2001-06-03  Graham Stott  <grahams@redhat,com>
        * config/sh/sh.md (movdi split): Remove unused variable last_insn.
        2001-05-16  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (print_operand): Handle floating-point pair,
        vector and matrix registers.
        * config/sh/sh.h (REGISTER_MOVE_COST): Take floating-pointer
        vector modes into account.
        * config/sh/sh.md (movv2sf): Split move between registers into
        movdf.
        (movv4sf, movv16sf): Introduce insns that get split only after
        reload.
        * config/sh/shmedia.h: Fix Copyright dates.
        * config/sh/ushmedia.h: Likewise.  Move loop counter
        declarations into conditionals that uses them.
        (sh_media_FVADD_S, sh_media_FVSUB_S): Fix off-by-one error in
        loop boundary.
        * config/sh/sshmedia.h: Fix Copyright dates.
        (sh_media_PUTCFG): Fix constraints.
        2001-05-12  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define to
        ptrmemfunc_vbit_in_delta for SH5.
        2001-05-08  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (TARGET_SWITCHES): Document -m5-*.
        * invoke.texi: Likewise.
        2001-04-14  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/lib1funcs.asm (GCC_push_shmedia_regs,
        GCC_push_shmedia_regs_nofpu, GCC_pop_shmedia_regs,
        GCC_pop_shmedia_regs_nofpu): New global symbols.
        * config/sh/t-sh64 (LIB1ASMFUNCS): Add them.
        * config/sh/sh.h (SHMEDIA_REGS_STACK_ADJUST): New macro.
        * config/sh/sh.c (calc_live_regs): Account for PR's saving in
        compact function with nonlocal labels.
        (sh_expand_prologue) [SHcompact]: Push SHmedia regs if needed.
        (sh_expand_epilogue) [SHcompact]: Pop them when appropriate.
        (initial_elimination_offset): Account for their stack space.
        * config/sh/sh.md (shmedia_save_restore_regs_compact): New insn.
        * config/sh/sh.md (movsi_media, movsi_media_nofpu, movqi_media,
        movhi_media, movdi_media, movdi_media_nofpu, movdf_media,
        movdf_media_nofpu, movsf_media, movsf_media_nofpu): Require at
        least one of the operands to be a register.
        (movv2sf): Likewise.  Renamed to movv2sf_i.
        (movdi, movdf, movv2sf, movv4sf, movv16sf, movsf):
        prepare_move_operands() before emitting SHmedia insns.
        2001-04-03  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/crti.asm (init, fini) [__SH5__ && ! __SHMEDIA__]:
        Don't save nor initialize r12.  Don't mis-align the stack.
        Pad the code with a nop.
        * config/sh/crti.asm: Don't restore r12.  Don't mis-align the
        stack.
        2001-03-13  Alexandre Oliva  <aoliva@redhat.com>
        * gcc/longlong.h (__umulsidi3, count_leading_zeros)
        [__SHMEDIA__]: Implement.
        2001-03-11  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md: Set latency of `pt' closer to reality.
        (movsi_media, movsi_media_nofpu, movdi_media, movdi_media_nofpu,
        movdf_media, movdf_media_nofpu, movsf_media, movsf_media_nofpu):
        Set move, load and store type attributes.
        * config/sh/sh.c (sh_loop_align) [TARGET_SH5]: Set to 3.
        * config/sh/sh.h (OVERRIDE_OPTIONS) [TARGET_SH5]: Disable
        profiling.
        * config/sh/sh.h (PROMOTE_MODE): Sign-extend SImode to DImode.
        * config/sh/sh-protos.h (sh_media_register_for_return): Declare.
        * config/sh/sh.c (sh_media_register_for_return): New function.
        (sh_expand_prologue) [TARGET_SHMEDIA]: Copy r18 to an available
        branch-target register.
        (sh_expand_epilogue) [TARGET_SHMEDIA]: Explicitly USE it.
        * config/sh/sh.md (return_media_i): Use any call-clobbered
        branch-target register.
        (return_media): If r18 wasn't copied in the prologue, copy it
        here.
        * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE) [TARGET_SHMEDIA]:
        Clear class FP0_REGS.
        * config/sh/sh64.h (LINK_SPEC): Removed incorrect default copied
        from elf.h.
        2001-03-08  DJ Delorie  <dj@redhat.com>
        * config/sh/sh.h (OVERRIDE_OPTIONS): Disable relaxing for SHMEDIA.
        2001-02-09  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (sibcall_compact): Set fp_mode to single.
        2001-02-07  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (INT_ASM_OP) [SHMEDIA64]: Use `.quad'.
        2001-02-03  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (INIT_CUMULATIVE_ARGS): Compute size of BLKmode
        return value correctly for call_cookie.
        2001-02-01  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/crt1.asm (start): Modified so as to call
        ___setup_argv_and_call_main.
        2001-01-26  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't count stack_regs in
        SHmedia mode.
        2001-01-20  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (STRIP_DATALABEL_ENCODING): New macro.
        (STRIP_NAME_ENCODING): Use it.
        (ASM_OUTPUT_LABELREF): Likewise.  Don't call assemble_name().
        2001-01-19  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (sgeu) [! SHMEDIA]: Fix invocation of
        prepare_scc_operands().
        * config/sh/sh.h (SH_DATALABEL_ENCODING): Change to "#"...
        (DATALABEL_SYMNAME_P): ... so that we don't need memcmp here.
        2001-01-17  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (STRIP_NAME_ENCODING): Strip leading `*'.
        2001-01-13  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (shcompact_incoming_args): Use R0_REG.
        * config/sh/sh.md (R7_REG, R8_REG, R9_REG): Define as constants,
        used in shcompact_incoming_args.
        * config/sh/sh.c (sh_expand_epilogue): Fix thinko in previous
        change.
        * config/sh/crt1.asm (start) [SH5]: Switch to single-precision
        mode.
        * config/sh/lib1funcs.asm (sdivsi3_i4, udivsi3_i4, set_fpscr):
        Adjust accordingly.
        * config/sh/sh.c (sh_expand_prologue, sh_expand_epilogue):
        Simplify.  Adjust.  Add sanity check.
        * config/sh/sh.h (TARGET_SWITCHES) [5-compact]: Set
        FPU_SINGLE_BIT.
        * config/sh/sh.md (udivsi3_i4_single, divsi3_i4_single): Match
        TARGET_SHCOMPACT.
        (udivsi3, divsi3): Use them.
        (force_mode_for_call): New insn.
        (call, call_value, sibcall_value): Emit it before SHcompact
        calls.
        2001-01-11  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (call, call_value, sibcall): Make sure the
        call cookie is non-NULL before taking its value.
        2001-01-10  Alexandre Oliva  <aoliva@redhat.com>
        * config.gcc (sh64): Set target_requires_64bit_host_wide_int.
        2001-01-09  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (shcompact_incoming_args): Set argument memory
        block.
        * config/sh/sh.h (STATIC_CHAIN_REGNUM) [SH5]: Use r1.
        * config/sh/sh.c (sh_expand_prologue) [SH5]: Use r0 as
        temporary for stack adjusts.  Use MACL and MACH to pass
        arguments to shcompact_incoming_args.
        * config/sh/sh.md (shcompact_incoming_args): Adjust.  Don't
        clobber r1.
        * config/sh/lib1funcs.asm (shcompact_incoming_args): Likewise.
        (nested_trampoline): Load static chain address into r1.
        * config/sh/sh.md (movdi_media splits): Fix sign-extension.
        2001-01-07  Alexandre Oliva  <aoliva@redhat.com
        * config/sh/sh.c (fpul_operand) [SHMEDIA]: Just call
        fp_arith_reg_operand().
        2001-01-06  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (casesi): Sign-extend the first two operands,
        and use signed compares for them.
        * config/sh/sh.c (dump_table): Don't emit 8-byte constants after
        4-byte ones.  Instead, inter-leave them, maintaining the 8-byte
        ones properly aligned.
        (find_barrier): Account for extra alignment needed for 8-byte wide
        constants.
        (machine_dependent_reorg): Require a label for the second 4-byte
        constant after an 8-byte one.
        * config/sh/lib1funcs.asm (sdivsi3): Fix typo in yesterday's
        change.
        2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (machine_dependent_reorg) [SHCOMPACT]: Reset
        last_float when switching float modes.
        * config/sh/sh.md (movdf) [SH5]: Don't use stack-pointer
        auto-increment for general-purpose registers.
        * config/sh/lib1funcs.asm (sdivsi3) [SHMEDIA]: Sign-extend the
        result.
        * config/sh/sh.c (sh_expand_prologue) [SH5]: Use r1 as temporary
        for stack adjust.
        * config/sh/sh.c (sh_builtin_saveregs): Support using all
        registers for varargs.
        2001-01-01  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Simplify.
        * config/sh/sh.h (CALL_COOKIE_STACKSEQ,
        CALL_COOKIE_STACKSEQ_SHIFT, CALL_COOKIE_STACKSEQ_GET): New macros.
        (CALL_COOKIE_INT_REG_SHIFT): Adjust.
        (FUNCTION_ARG_ADVANCE): Use SHCOMPACT_FORCE_ON_STACK.  Adjust
        call_cookie accordingly.
        (FUNCTION_ARG): Test SHCOMPACT_FORCE_ON_STACK.
        (SHCOMPACT_BYREF): Likewise.
        (SHCOMPACT_FORCE_ON_STACK): New macro.
        * config/sh/sh.c (sh_expand_prologue): Use new call_cookie format.
        (sh_builtin_saveregs): Likewise.
        * config/sh/lib1funcs.asm (shcompact_call_trampoline,
        shcompact_incoming_args): Use new shift values.  Support
        sequences of consecutive and non-consecutive pushes/pops.
        * config/sh/sh.md (return): Don't explicitly use PR_REG.
        2001-01-05  Hans-Peter Nilsson  <hpn@cygnus.com>
        * config/sh/sh.h (TEXT_SECTION): Define.
        * config/sh/elf.h (ASM_FILE_START): Output TEXT_SECTION_ASM_OP.
        2001-01-05  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (INIT_CUMULATIVE_LIBCALL_ARGS): New macro.
        * config/sh/sh.h (BASE_RETURN_VALUE_REG): Use FP regs for
        return values on FPU-enabled SHmedia.
        (FUNCTION_VALUE_REGNO_P): Mark FIRST_FP_RET_REG as used on
        FPU-enabled SHmedia.
        (INIT_CUMULATIVE_ARGS): Set up return trampoline only if
        value is returned in a non-FP reg and is not returned by
        reference.
        * config/sh/sh.md (shcompact_return_tramp_i): Change type to
        jump_ind.
        2000-01-04  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (SH_MIN_ALIGN_FOR_CALLEE_COPY): New.
        (FUNCTION_ARG_CALLEE_COPIES): Require argument to be
        quad-aligned to be passed by callee-copy reference.
        2001-01-03  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/elf.h (MAX_WCHAR_TYPE_SIZE): Define.
        * config/sh/sh64.h (MAX_WCHAR_TYPE_SIZE): Undefine.
        2001-01-02  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix error in
        copying low-numbered FP regs to r7 and r8.
        * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Don't request copying of
        FP regs to general-purpose regs only if the copy was passed on the
        stack.
        * config/sh/lib1funcs.asm (shcompact_call_trampoline): Fix typo in
        copying FP reg to r9.
        * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Use trampoline to
        copy FP regs to general-purpose regs only in outgoing calls.
        * config/sh/sh.md (movdf_media, movsf_media): Revert incorrect
        change from     2000-10-30.  Adjust for 64-bit (or 32-bit)
        HOST_WIDE_INT.
        * config/sh/sh.h (struct sh_args): Document all fields.
        (FUNCTION_OK_FOR_SIBCALL): Functions that receive arguments
        passed partially on the stack should not consider making
        sibcalls.
        * config/sh/sh.h (FUNCTION_ARG_ADVANCE): Add byref regs to
        stack_regs only for incoming calls.  When passing FP args,
        make sure there are FP regs available before modifying
        call_cookie.
        (SHCOMPACT_BYREF): Pass double args in general-purpose
        registers by reference.
        2000-12-30  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (FUNCTION_OK_FOR_SIBCALL) [SHCOMPACT]: Don't
        attempt to generate sibcalls if the caller got any arguments
        by reference.
        * config/sh/lib1funcs.asm (set_fpscr) [SH5]: Default to double.
        * config/sh/sh.c (dump_table) [SHCOMPACT]: Align DImode and DFmode
        to 8-byte boundaries.
        * config/sh/sh.md (shcompact_preserve_incoming_args): New insn.
        * config/sh/sh.h (CALL_COOKIE_INT_REG_GET): New macro.
        * config/sh/sh.c (sh_expand_prologue): Preserve args that will be
        stored in the stack.
        * config/sh/lib1funcs.asm (ct_main_table, ia_main_table): Arrange
        for the offsets to have the ISA bit set.
        (shcompact_call_trampoline): Document.  Swap r0 and r1, to match
        invocation.  Use beq instead of bgt to mark end of sequence of
        loads.
        (shcompact_incoming_args): Fix store of r2.  Use beq instead of
        bgt to mark end of sequence of stores.
        * config/sh/sh.c (arith_operand): Don't check whether
        CONST_OK_FOR_J for now.
        * config/sh/sh.md (movdf_media, movsf_media): Use HOST_WIDE_INT
        instead of long for conversion.
        2000-12-29  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (print_operand_address): Convert INTVAL to int
        before passing it to fprintf.
        2000-12-28  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/crt1.asm (start): Reset SR.FD, to enable the FP unit.
        Call set_fpscr before reading/writing SR.
        * config/sh/crt1.asm (start): Set SR.SZ and SR.PR, but not SR.FR.
        Call set_fpscr.
        * config/sh/lib1funcs.asm: Add `.align 2' directives before
        SHmedia code.
        (FMOVD_WORKS): Define on SH5 with FPU.
        (set_fpscr): Define on SH5.  Remove separate _fpscr_values
        setting.
        * config/sh/t-sh64 (LIB1ASMFUNCS): Add _set_fpscr instead of
        _fpscr_values.
        2000-12-28  Hans-Peter Nilsson  <hpn@cygnus.com>
        * config/sh/lib1funcs.asm (ct_main_table): Align contents to even
        address.
        (ia_main_table): Ditto.
        2000-12-27  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (MAX_WCHAR_TYPE_SIZE): Don't define.
        * config/sh/sh64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Reinstate
        the definitions from sh.h.
        * config/sh/sh.h (PTRDIFF_TYPE): Define as conditional on
        TARGET_SH5.
        (SUBTARGET_CPP_SPEC): Arrange for __PTRDIFF_TYPE__ to be defined.
        * config/sh/elf.h (PTRDIFF_TYPE): Likewise.
        * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise.
        2000-12-26  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (movdi_media split): Don't add REG_LABEL notes.
        Increment LABEL_NUSES.

        * config/sh/sh.h (SIZE_TYPE): Define as conditional on
        TARGET_SH5.
        (SUBTARGET_CPP_SPEC): Arrange for __SIZE_TYPE__ to be always
        defined.
        * config/sh/elf.h (SIZE_TYPE): Likewise.
        * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Likewise.
        * config/sh/lib1funcs.asm (shcompact_call_trampoline,
        shcompact_incoming_args): Load switch table addresses using
        datalabel.
        * config/sh/sh.h (SUBTARGET_CPP_SPEC): Define __SIZE_TYPE__.
        (NO_BUILTIN_SIZE_TYPE): Define.
        (SIZE_TYPE): Don't define.
        * config/sh/sh64.h (SUBTARGET_CPP_SPEC): Define __SIZE_TYPE__.
        * config/sh/sh.h (CPP_SPEC): Fixed typo that prevented the
        definition of __SH5__=32 for -m5-compact-nofpu.
        * config/sh/sh.c (barrier_align): Ensure 32-bit alignment after
        ADDR_DIFF_VEC.
        2000-12-24  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (FUNCTION_ARG_PADDING): Removed.
        2000-12-23  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (TARGET_CACHE32): Enable on SH5.
        (FUNCTION_BOUNDARY): Ensure 32-bit alignment for SHmedia.
        (INSN_LENGTH_ALIGNMENT): Likewise.
        2000-12-22  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (call, call_value, sibcall): Simplify
        copying of non-branch-target register.
        2000-12-22  Alexandre Oliva  <aoliva@redhat.com>
        * glimits.h (__LONG_MAX__): Revert      2000-12-13's patch.
        * config/sh/sh.h (CPP_SPEC): Define it here for 64-bit SHmedia.
        2000-12-22  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (GET_SH_ARG_CLASS): Handle complex
        floating-point values as structs.
        (FUNCTION_ARG): Use SH5_PROTOTYPED_FLOAT_ARG.
        (SH5_PROTOTYPELESS_FLOAT_ARG): List FP registers before
        general-purpose register.
        (SH5_PROTOTYPED_FLOAT_ARG): New macro.
        2000-12-20  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (addsi3): Force operand1 to reg for SHmedia.
        * config/sh/sh.md (movsi_media): Split CONST_DOUBLE loads too.
        * config/sh/sh.h (DATALABEL_REF_P): Don't require the CONST.
        (ENCODE_SECTION_INFO): Enclose variables and constants in
        DATALABEL unspecs.
        (SH_DATALABEL_ENCODING, DATALABEL_SYMNAME_P): Define.
        (STRIP_NAME_ENCODING): Strip SH_DATALABEL_ENCODING off.
        (ASM_OUTPUT_LABELREF, AMS_OUTPUT_SYMBOL_REF): Define.
        * config/sh/sh.c (gen_datalabel_ref): Use UNSPEC_DATALABEL
        only for LABEL_REFs.  For SYMBOL_REFs, prepend
        SH_DATALABEL_ENCODING to the symbol name.
        * config/sh/sh.md (indirect_jump): Use SUBREG instead of
        convert_mode().
        2000-12-20  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (casesi): Enclose ADDR_DIFF_VEC address in
        UNSPEC_DATALABEL.
        * config/sh/sh.c (gen_datalabel_ref): Accept LABEL_REFs.
        * config/sh/sh.h (DATALABEL_REF_NO_CONST_P): Likewise.
        (DATALABEL_REF_P): Don't require CONST.
        (ASM_OUTPUT_ADDR_DIFF_ELT): On SH5, output datalabel before
        REL label.
        2000-12-19  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (extendhidi2, extendqidi2): Use arithmetic shift
        right.
        2000-12-18  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (movsi_media, call, call_value, sibcall):
        Use shallow_copy_rtx and PUT_MODE to change the mode of
        SYMBOL_REFs, LABEL_REFs, CONSTs, etc.
        * config/sh/sh.h (PREFERRED_RELOAD_CLASS): Reload SYMBOL_REFs
        on SHmedia using GENERAL_REGs.
        * config/sh/sh.md (ble_media_i, blt_media_i, bleu_media_i,
        bltu_media_i): Fix reversion of conditions.
        2000-12-18  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.md (zero_extendhidi2): Use logical shift right.
        * config/sh/sh.c (output_far_jump): Save r13 in macl.
        2000-12-17  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (gen_datalabel_ref): Fix mode of the UNSPEC.
        2000-12-16  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/lib1funcs.asm (ic_invalidate): Define for SH5.
        (GCC_nested_trampoline): Likewise.
        * config/sh/sh-protos.h (gen_datalabel_ref): Declare.
        * config/sh/sh.c (gen_datalabel_ref): Define.
        * config/sh/sh.h (TRAMPOLINE_SIZE): Adjust for SH5.
        (INITIALIZE_TRAMPOLINE): Likewise.
        (TRAMPOLINE_ADJUST_ADDRESS): Define.
        (DATALABEL_REF_NO_CONST_P, DATALABEL_REF_P): Define.
        (EXTRA_CONSTRAINT_T): Match DATALABEL unspecs.
        (OUTPUT_ADDR_CONST_EXTRA): Handle DATALABEL unspecs.
        * config/sh/sh.md (UNSPEC_DATALABEL): New constant.
        (ic_invalidate): Adjust for SH5.
        (ic_invalidate_line_media, ic_invalidate_line_compact): New insns.
        * config/sh/t-sh64 (LIB1ASMFUNCS): Added _ic_invalidate and
        _nested_trampoline.
        2000-12-15  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (MOVE_MAX): Set to 8 for SHmedia, 4 elsewhere.
        (MOVE_MAX_PIECES): Set to 8 on SHmedia too.
        2000-12-14  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (DBX_REGISTER_NUMBER): Adjust for sh64-elf-gdb.
        * config/sh/elf.h (DBX_REGISTER_NUMBER): Likewise.
        2000-12-14  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (target_reg_operand): Match only target-branch
        registers and pseudos that aren't virtual registers.
        * config/sh/sh.md (call, call_value, sibcall) [TARGET_SHMEDIA]:
        Copy operands that don't match target_reg_operand to pseudos.
        (call_media, call_value_media, sibcall_media): Use
        target_reg_operand instead of target_operand.
        2000-12-13  Alexandre Oliva  <aoliva@redhat.com>
        * glimits.h (__LONG_MAX__) [SH5 == 64]: Adjust for 64 bits.
        * config/sh/sh.c (target_reg_operand): Match hardware registers
        other than branch-target registers.
        * config/sh/sh.md (zero_extendqidi2): Input operand is %1.
        * config/sh/lib1funcs.asm (sdivsi3) [SH5]: Make it global.
        (fpscr_values) [SH5 == 32]: Define.
        * config/sh/t-sh64 (LIB1ASMFUNCS): Add fpscr_values.
        * config/sh/sh.md (call, call_value, sibcall) [TARGET_SHMEDIA]:
        Handle function addresses coming in SUBREGs.
        2000-12-12  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/lib1funcs.asm (shcompact_call_trampoline,
        shcompact_return_trampoline): Use datalabel where appropriate.
        2000-12-09  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use a
        general-purpose register to copy one branch-target register to
        another.
        2000-12-06  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (target_operand): Accept LABEL_REFs and
        SYMBOL_REFs with VOIDmode.
        * config/sh/sh.md (ble_media_i, blt_media_i, bleu_media_i,
        bltu_media_i): New insns.
        2000-12-06  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (RETURN_IN_MEMORY): Adjust for SH5 ABI.
        (INIT_CUMULATIVE_ARGS): Likewise.
        2000-12-01  Alexandre Oliva  <aoliva@redhat.com>
        * machmode.def (V16SFmode): New mode.
        * c-common.c (type_for_mode): Support V2SF and V16SF.
        * tree.c (build_common_tree_nodes_2): Likewise.
        * tree.h (tree_index): Likewise.
        * calls.c (emit_call_1): Take args_so_far.  Adjust all
        callers.  Introduce CALL_POPS_ARGS.
        * tm.texi (CALL_POPS_ARGS): Document.
        * config/sh/crt1.asm: Implement in SHmedia mode.
        * config/sh/crti.asm, config/sh/crtn.asm: Likewise
        * config/sh/elf.h (ASM_SPEC, LINK_SPEC): Support SH5 flags.
        (DBX_REGISTER_NUMBER): Renumber registers for SH5.
        * config/sh/lib1funcs.asm: Disable functions unused in SH5.
        Implement divsi and udivsi in SHmedia mode.  Introduce
        SHcompact trampolines.
        * config/sh/sh.c (GEN_MOV, GEN_ADD3, GEN_SUB3): Use DImode
        only in SHmedia64.
        (regno_reg_class): Rewrite.
        (fp_reg_names): Remove.
        (sh_register_names, sh_additional_register_names): New.
        (print_operand): Added `u'.  Support SUBREGs in addresses.
        Add parentheses around shifted CONSTs.
        (output_file_start): Output .mode and .abi directives.
        (shiftcosts, addsubcosts, multcosts): Adjust.
        (output_stack_adjust): Compute alignment.  Sanity-check SIZE.
        (push_regs): Take array of HOST_WIDE_INTs.  Adjust callers.
        (calc_live_regs): Output to array of HOST_WIDE_INTs.  Count
        bytes, not registers.  Take into account the need for the
        SHcompact incoming args trampoline.  Adjust all callers.
        (sh_expand_prologue): Take stack_regs into account.  Call
        incoming args trampoline.  Keep stack aligned as per SH5 ABI.
        (sh_expand_epilogue): Take stack_regs into accoutn.  Keep
        stack aligned as per SH5 ABI.
        (sh_builtin_saveregs): Support SH5 ABI.
        (sh_build_va_list, sh_va_start): Likewise.
        (initial_elimination_offset): Take alignment into account.
        Compute location of PR according to the SH5 stack frame.
        (arith_reg_operand): Reject branch-target registers.
        (shmedia_6bit_operand): New.
        (logical_operand): Use CONST_OK_FOR_P on SHmedia.
        (target_reg_operand): Match DImode only.  Accept SUBREGs.
        (target_operand): New.
        * config/sh/sh.h (CPP_SPEC, SUBTARGET_CPP_SPEC): Support SH5 flags.
        (CONDITIONAL_REGISTER_USAGE): Implement SH5 ABI.  Initialize
        SIBCALL_REGS for SHmedia.
        (TARGET_SH3E, TARGET_SH4): Only if SH1_BIT is set too.
        (TARGET_FPU_DOUBLE, TARGET_FPU_ANY): New.
        (TARGET_SHMEDIA32, TARGET_SHMEDIA64): New.
        (TARGET_SWITCHES): New SH5 flags.
        (OVERRIDE_OPTIONS): Set SH5-specific options.  Use
        VALID_REGISTER_P to disable unsupported registers.
        (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set.
        (POINTER_SIZE, PARM_BOUNDARY): Adjust.
        (FUNCTION_ARG_PADDING): Define.
        (FASTEST_ALIGNMENT): Adjust.
        (SH_REGISTER_NAMES_INITIALIZER): New.
        (sh_register_names): Declare.
        (DEBUG_REGISTER_NAMES): Define.
        (REGISTER_NAMES): Define based on sh_register_names.
        (SH_ADDITIONAL_REGISTER_NAMES_INITIALIZER): New.
        (sh_additional_register_names): Declare.
        (LAST_GENERAL_REG, LAST_FP_REG, LAST_XD_REG): Adjust for SHmedia.
        (FIRST_TARGET_REG, LAST_TARGET_REG): Define.
        (TARGET_REGISTER_P, SHMEDIA_REGISTER_P, VALID_REGISTER_P): Define.
        (REGISTER_NATURAL_MODE): Define.
        (FIRST_PSEUDO_REGISTER): Adjust.
        (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
        (HARD_REGNO_CALL_PART_CLOBBERED): Define.
        (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Adjust.
        (VECTOR_MODE_SUPPORTED_P): Define.
        (REG_CLASS_CONTENTS): Adjust.
        (SMALL_REGISTER_CLASSES): Adjust.
        (REG_ALLOC_ORDER): Adjust.
        (INDEX_REG_CLASS): Adjust.
        (CONST_OK_FOR_O, CONST_OK_FOR_P): New.
        (CONST_OK_FOR_LETTER_P): Adjust.
        (PREFERRED_RELOAD_CLASS): Adjust.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Adjust.
        (SECONDARY_INPUT_RELOAD_CLASS): Adjust.
        (NPARM_REGS, FIRST_PARM_REG, FIRST_RET_REG): Adjust.
        (FIRST_FP_PARM_REG): Adjust.
        (CALL_POPS_ARGS): Define.
        (FUNCTION_ARG_REGNO_P): Adjust.
        (struct sh_args): New fields.
        (GET_SH_ARG_CLASS): Adjust.
        (INIT_CUMULATIVE_ARGS): Adjust.
        (INIT_CUMULATIVE_INCOMING_ARGS): Define.
        (FUNCTION_ARG_ADVANCE): Adjust.
        (FUNCTION_ARG): Adjust.
        (FUNCTION_ARG_PASS_BY_REFERENCE, SHCOMPACT_BYREF): Define.
        (FUNCTION_ARG_CALLEE_COPIES): Define.
        (SH5_PROTOTYPELESS_FLOAT_ARG): Define.
        (STRICT_ARGUMENT_NAMING): Define.
        (PRETEND_OUTGOING_VARARGS_NAMED): Adjust.
        (FUNCTION_ARG_PARTIAL_NREGS): Adjust.
        (SH5_WOULD_BE_PARTIAL_NREGS): Define.
        (SETUP_INCOMING_VARARGS): Adjust.
        (HAVE_POST_INCREMENT, HAVE_PRE_DECREMENT): Adjust.
        (USE_LOAD_POST_INCREMENT, USE_STORE_PRE_DECREMENT): Adjust.
        (REGNO_OK_FOR_INDEX_P, REG_OK_FOR_INDEX_P): Adjust.
        (SUBREG_OK_FOR_INDEX_P): Adjust.
        (EXTRA_CONSTRAINT_S): Update.
        (EXTRA_CONSTRAINT_T): New.
        (EXTRA_CONSTRAINT): Adjust.
        (GO_IF_LEGITIMATE_INDEX): Adjust.
        (GO_IF_LEGITIMATE_ADDRESS): Adjust.
        (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Adjust.
        (MOVE_MAX): Adjust.
        (MAX_MOVE_MAX): Define.
        (Pmode): Adjust.
        (CONST_COSTS): Adjust.
        (REGISTER_MOVE_COST): Adjust.
        (BRANCH_COST): Adjust.
        (TEXT_SECTION_ASM_OP): Adjust.
        (DBX_REGISTER_NUMBER): Adjust.
        (ASM_OUTPUT_DOUBLE_INT): New.
        (UNALIGNED_DOUBLE_INT_ASM_OP): New.
        (PREDICATE_CODES): Adjust.
        (PROMOTE_MODE): Adjust.
        (CRT_CALL_STATIC_FUNCTION): Do not define for SHmedia.
        * config/sh/sh.md (AP_REG, PR_REG, T_REG, GBR_REG): Renumber.
        (MACH_REG, MACL_REG, FPUL_REG, RAP_REG, FPSCR_REG): Renumber.
        (PR_MEDIA_REG, T_MEDIA_REG, R10_REG): New.
        (DR0_REG, DR2_REG, DR4_REG): Renumber.
        (TR0_REG, TR1_REG, TR2_REG): New.
        (XD0_REG): Renumber.
        (UNSPEC_COMPACT_ARGS): New.
        (type): Added pt and ptabs.
        (length): Default to 4 on SHmedia.  Default pt length to 12
        and     20 on SHmedia32 and SHmedia64, respectively.
        (pt): New function unit.
        (movdi, movsi): Add types pt and ptabs.  Don't increment LABEL_NUSES.
        Add whitespace between operands of SHmedia instructions.
        (movdicc): Fix.
        (adddi3_media, addsi3_media): Adjust constraints.
        (subsi3) [SHmedia]: Force operand 1 into a register.
        (udivsi3_i1_media, udivsi3_i4_media): New.
        (udivsi3): Support SHmedia.
        (divsi3_i1_media, divsi3_i4_media): New.
        (divsi3): Support SHmedia.
        (anddi3, iordi3, xordi3): Adjust constraints.
        (zero_extendhidi2, zero_extendqidi2): New.
        (extendsidi2, extendhidi2, extendqidi2): New.
        (push, pop, push_e, push_fpul, push_4): Disable on SH5.
        (pop_e, pop_fpul, pop_4): Likewise.
        (movsi_media): Support FP and BT registers.
        (movsi_media_nofpu): New.  Adjust splits to DImode.
        (lduw, ldub): Renamed to zero_extend* above.
        (movqi_media): Fix typo.
        (movdi_media): Support FP and BT registers.
        (movdi_media_nofpu): New.  Adjust splits for SHmedia32.
        (movdi_const_32bit): New.
        (shori_media): Require immediate operand.  Use `u' for output.
        (movdf_media, movsf_media): Simplified.
        (movdf_media_nofpu, movsf_media_nofpu): New.
        (movdf, movsf): Adjust
        (movv2sf, movv2sf, movv16sf): New.
        (beq_media, beq_media_i): Adjust constraints.  Don't use
        scratch BT register.
        (bne_media, bne_media_i): Likewise.
        (bgt_media, bgt_media_i): Likewise.
        (bge_media, bge_media_i): Likewise.
        (bgtu_media, bgtu_media_i): Likewise.
        (bgeu_media, bgeu_media_i): Likewise.
        (beq, bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu,
        bunordered): Emit jump insn.  Force operands to registers when
        needed.
        (jump_media, jump): Simplify.
        (call_compact, call_compact_rettramp): New.
        (call_value_compact, call_value_compact_rettramp): New.
        (call_media, call_value_media): Simplify.
        (sibcall_compact, sibcall_media): New.
        (call, call_value): Adjust for SHmedia and SHcompact.
        (sibcall, sibcall_value, untyped_call): Likewise.
        (sibcall_epilogue): Preserve r0 across epilogue for SHcompact.
        (indirect_jump): Adjust for SHmedia.
        (casesi_jump_media): New.
        (nop): Re-enable for SHmedia.
        (call_site): Restrict to SH1.
        (casesi): Adjust for SHmedia.
        (casesi_shift_media, casesi_load_media): New.
        (return): Explicitly use PR register.  Call return trampoline
        on SHcompact.
        (return_i): Explicitly use PR register.
        (shcompact_return_tramp, shcompact_return_tramp_i): New.
        (return_media): Adjust.
        (shcompact_incoming_args): New.
        (epilogue): Adjust.
        (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu, sne): Adjust.
        (movstrsi): Disable on SH5.
        (fpu_switch0, fpu_switch1, movpsi): Enable on SH4.
        (addsf3, addsf3_media): Test TARGET_SHMEDIA_FPU.
        (subsf3, subsf3_media): Likewise.
        (mulsf3, mulsf3_media, mac_media): Likewise.
        (divsf3, divsf3_media): Likewise.
        (floatdisf2, floatsisf2_media): Likewise.  Adjust constraints.
        (floatsisf2, fux_truncsfsi2): Likewise.
        (fix_truncsfdi2, fix_truncsfsi2_media): Likewise.  Adjust
        constraints.
        (cmpeqsf_media, cmpgtsf_media, cmpgesf_media): Likewise.
        (cmpunsf_media, cmpsf): Likewise.
        (negsf2, negsf2_media, sqrtsf2, sqrtsf2_media): Likewise.
        (abssf2, abssf2_media): Likewise.
        (adddf3, adddf3_media, subdf3, subdf3_media): Likewise.
        (muldf3, muldf3_media, divdf3, divdf3_media): Likewise.
        (floatdidf2, floatsidf2_media): Likewise.  Adjust constraints.
        (floatsidf2, fix_truncdfsi2): Likewise.
        (fix_truncdfdi2, fix_truncdfsi2_media): Likewise.  Adjust
        constraints.
        (cmpeqdf_media, cmpgtdf_media): Likewise.
        (cmpgedf_media, cmpundf_media, cmpdf): Likewise.
        (negdf2, negdf2_media, sqrtdf2, sqrtdf2_media): Likewise.
        (absdf2, absdf2_media): Likewise.
        (extendsfdf2, extendsfdf2_media): Likewise.
        (truncsfdf2, truncsfdf2_media): Likewise.
        * config/sh/sh64.h: New file.
        * config/sh/t-sh64: New file.
        * config/sh/shmedia.h: New file.
        * config/sh/ushmedia.h: New file.
        * config/sh/sshmedia.h: New file.
        * configure.in: Added sh64-*-elf.
        * configure: Rebuilt.
        2000-10-10  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (GEN_MOV, GEN_ADD3, GEN_SUB3): New macros.
        (reg_class_from_letter): Use `b' for TARGET_REGS.
        (print_operand): Support `%M', `%m', `AND' and
        `ASHIFTRT'.  Do not precede constants with `#' on SHmedia.
        (andcosts): Adjust for SHmedia.
        (output_stack_adjust, sh_expand_prologue, sh_expand_epilogue):
        Likewise.
        (target_reg_operand): New function.
        * config/sh/sh-protos.h (target_reg_operand): Declare.
        * config/sh/sh.h (CONDITIONAL_REGISTER_USAGE): Don't disable
        FP registers on SH5.
        (HARD_REGNO_MODE_OK): Accept them whenever they're acceptable
        on SH4.
        (TARGET_REGISTER_P): New macro.
        (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Added TARGET_REGS.
        (FUNCTION_VALUE): Use DImode for promoted types on SHmedia.
        (EXTRA_CONSTRAINT_S): New macro.
        (EXTRA_CONSTRAINT): Adjust.
        (FLOAT_TYPE_SIZE): Define to 32.
        (Pmode): DImode on SHmedia.
        (CONST_COSTS): Adjust for SHmedia literals.
        (PREDICATE_CODES): Added target_reg_operand.
        (PROMOTE_MODE): Promote signed types to DImode on SHmedia.
        * config/sh/sh.md: Remove all attrs from SHmedia insns.
        (cmpeqdi_media, cmpgtdi_media, cmpgtudi_media): New insns.
        (cmpdi): Accept SHmedia.
        (movdicc_false, movdicc_true): New insns.
        (movdicc): New expand.
        (adddi3): Accept arith_operand for op2, but FAIL on SH1 if
        no_new_pseudos.
        (addsi3_media): Match `S' constraint.
        (anddi3, andcdi3, iordi3, xordi3, negdi_media): New insns.
        (negdi2): Expand for SHmedia.
        (one_cmpldi2): New expand.
        (zero_extendsidi2): Change from expand to insn.
        (extendsidi2): Add constraints.
        (movdi_media, movsi_media): Change `%x' to `%M'.  Use `%m' for
        LD/ST address.  Fix SI immediate loading split.
        (movhi_media, movqi_media, lduw, ldub): New insns.
        (movhi, movqi): Accept SHmedia.
        (shori_media, movdi_media): Relax input constraints.  Split
        symbolic constants.
        (movdf_media, movsf_media): New insn.  New split to movdi.
        (movdf, movsf): Match on SHmedia.
        (beq_media, bne_media, bgt_media, bge_media, bgtu_media,
        bgeu_media): New insns and splits.  New insns with `_i' suffix.
        (beq, bne, bgt, blt, ble, bge, bgtu, bltu, bgeu, bleu): Adjust.
        (bunordered): New expand.
        (jump_compact): Renamed from `jump'.
        (jump_media): New insn.
        (jump): New expand.
        (call_media, call_value_media): New insns.
        (call, call_value): Adjust.
        (indirect_jump_compact): Renamed from `indirect_jump'.
        (indirect_jump_media): New insn.
        (indirect_jump): New expand.
        (untyped_call, return): Accept SHmedia.
        (return_media): New insn.
        (prologue, epilogue, blockage): Accept SHmedia.
        (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu, sne): Adjust.
        (sunordered): New expand.
        (addsf3, subsf3, mulsf3, divsf3, floatsisf2, fix_truncsfsi2,
        cmpsf, negsf2, sqrtsf2, abssf2): Adjust for SHmedia.
        (addsf3_media, subsf3_media, mulsf3_media, mac_media,
        divsf3_media, floatdisf2, floatsisf2_media, fix_truncsfdi2,
        fix_truncsfsi2_media, cmpeqsf_media, cmpgtsf_media,
        cmpgesf_media, cmpunsf_media, negsf2_media, sqrtsf2_media,
        abssf2_media): New insns.
        (adddf3, subdf3, muldf3, divdf3, floatsidf2, fix_truncdfsi2,
        cmpdf, negdf2, sqrtdf2, absdf2): Adjust for SHmedia.
        (adddf3_media, subdf3_media, muldf3_media, divdf3_media,
        floatdidf2, floatsidf2_media, fix_truncdfdi2,
        fix_truncdfsi2_media, cmpeqdf_media, cmpgtdf_media,
        cmpgedf_media, cmpundf_media, negdf2_media, sqrtdf2_media,
        absdf2_media): New insns.
        (extendsfdf2, truncdfsf2): Adjust for SHmedia.
        (extendsfdf2_media, truncdfsf2_media): New insns.
        2000-09-14  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.c (machine_dependent_reorg): On shmedia, skip for now.
        * config/sh/sh.h (CONST_OK_FOR_J): Document.
        (LEGITIMATE_CONSTANT_P): Accept CONST_DOUBLEs on shmedia.
        * config/sh/sh.md (adddi3): New expand.
        (adddi3_media, adddi3z_media): New insns.
        (adddi3_compact): Renamed from adddi3.
        (addsi3_media): Use add.l r63 to add constant zero.
        (subdi3): New expand.
        (subdi3_media): New insn.
        (subdi3_compact): Renamed from subdi3.
        (mulsidi3): New expand.
        (mulsidi3_media): New insn.
        (mulsidi3_compact): Renamed from mulsidi3.
        (umulsidi3): New expand.
        (umulsidi3_media): New insn.
        (umulsidi3_compact): Renamed from umulsidi3.
        (ashlsi3_media, ashrsi3_media, lshrsi3_media): New insns.
        (ashlsi3, ashrsi3, lshrsi3): Use them.
        (ashldi3_media, ashrdi3_media, lshrdi3_media): New insns.
        (ashldi3, ashrdi3, lshrdi3): Use them.
        (zero_extendsidi2): New expand.
        (extendsidi2): New insn.
        (movsi_media): New insn.  Split to movdi to load constants.
        (movsi): Enable for shmedia.
        (movdi_media): New insn.  Use shori_media to load wide constants.
        (short_media): New insn.
        (movdi): Enable for shmedia.
        2000-09-08  Alexandre Oliva  <aoliva@redhat.com>
        * config/sh/sh.h (CPP_SPEC): Added `m5'.
        (SUBTARGET_CPP_SPEC): Added `!m5'.
        (SH5_BIT, TARGET_SH5, TARGET_SHMEDIA, TARGET_SHCOMPACT): New macros.
        (TARGET_SWITCHES): Added `5' and `5-compact'.  Added SH1_BIT
        to all other SH variants.
        (TARGET_DEFAULT): Set to SH1_BIT.
        (OVERRIDE_OPTIONS): Recognize sh5 CPU.
        (BITS_PER_WORD): Raise to 64 on shmedia.
        (MAX_BITS_PER_WORD): Change to 64.
        (MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Set to MAX_BITS_PER_WORD.
        (INT_TYPE_SIZE): Keep as 32.
        (UNITS_PER_WORD): Raise to 8 on shmedia.
        (MIN_UNITS_PER_WORD): Keep as 4.
        (POINTER_SIZE): Raise to 64 on shmedia.
        (CONST_OK_FOR_J): New macro.
        (CONST_OK_FOR_LETTER_P): Use it.
        (processor_type): Add PROCESSOR_SH5.
        * config/sh/sh.md: Conditionalize all expands, insns and
        splits to TARGET_SH1.
        (cpu): Added sh5.
        (addsi3_compact): Renamed from...
        (addsi3): Now an expand.
        (addsi3_media, subsi3_media): New insns.
        (subsi3): Don't negate constants with SHmedia.

        * hooks.c: New file.
        * hooks.h: New file.
        * Makefile.in (HOOKS_H): New.
        (TARGET_DEF_H): Added $(HOOKS_H).
        (OBJS): Added hooks.o.
        (cfgcleanup.o, bb-reorder.o): Added target.h.
        (hooks.o): Added dependencies.
        * target-def.h (TARGET_CANNOT_MODIFY_JUMPS_P): New, added to...
        (TARGET_INITIALIZER): this.
        * doc/tm.texi (TARGET_CANNOT_MODIFY_JUMPS_P): Document.
        * target.h (struct gcc_target): Added cannot_modify_jumps_p.
        * bb-reorder.c: Include target.h.
        (reorder_basic_blocks): Skip if cannot modify jumps.
        * cfgcleanup.c: Include target.h.
        (try_optimize_cfg): Skip merge blocking if cannot modify jumps.

2002-02-08  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.md (casesi_internal, casesi_internal_di):
        Protect jump delay slot instructions with .set noreorder and
        .set nomacro.

2002-02-08  Chris Demetriou  <cgd@broadcom.com>

        * config/mips/mips.md (casesi_internal_di): Calculate
        the index into the target offset table correctly.

2002-02-08  Richard Henderson  <rth@redhat.com>

        * expr.c (expand_expr): Mind EXPAND_INITIALIZER for truncation also.
        * final.c (output_addr_const): Accept and discard SUBREG.
        * varasm.c (decode_addr_const): Don't abort on unknown expressions --
        mark them unknown instead.
        (simplify_subtraction): Handle RTX_UNKNOWN.
        (initializer_constant_valid_p): Strip NOP_EXPRs that narrow the mode.

2002-02-08  David Edelsohn  <edelsohn@gnu.org>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Fix typo.

2002-02-08  Richard Henderson  <rth@redhat.com>

        * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_BSS): New.

2002-02-08  Andreas Jaeger  <aj@suse.de>

        * config.gcc (x86_64-*-linux): Add t-linux64 makefile fragment.
        * config/i386/t-linux64: New file.

2002-02-08  Jakub Jelinek  <jakub@redhat.com>

        * c-common.c (c_expand_expr): Revert 2002-02-06 patch.
        * c-parse.in (compstmt): Clear last_expr_type.

2002-02-07  Richard Henderson  <rth@redhat.com>

        * loop.c (strength_reduce): Sink final_value when not
        eliminating a biv.

2002-02-07  David O'Brien  <obrien@FreeBSD.org>

        * config/sparc/freebsd.h: Fix mismatched spec {.

2002-02-07  Richard Henderson  <rth@redhat.com>

        * cfgrtl.c: Include recog.h and insn-config.h.
        (keep_with_call_p): Fix general_operand invocation.
        * Makefile.in (cfgrtl.o): Update dependencies.

2002-02-07  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (two_insn_adds_subs_operand): Revise a
        comment.  Accept HImode only if TARGET_H8300.

2002-02-07  Eric Christopher  <echristo@redhat.com>

        * config/mips/crtn.asm: Cleanup #ifdefs.

2002-02-07  Eric Christopher  <echristo@redhat.com>

        * config/mips/crti.asm: Add changes for mips16. mips16 uses
        register 7 as RA instead of $31.
        * config/mips/crtn.asm: Ditto.
        * config/mips/mips.c (mips_move_2words): Add case for
        TARGET_MIPS16 when HOST_BITS_PER_WIDE_INT >= 64.
        (compute_frame_size): Fix typo.
        (save_restore_insns): Ditto.  Make documentation about using
        register $7 as return register more precise.
        (mips_expand_epilogue): Fix comment. Add code to work around not
        being able to add to the stack pointer directly.
        * config/mips/mips.h (EH_RETURN_DATA_REGNO): Change register number
        to 2 for TARGET_MIPS16 as we need 6 and 7 as clobbers in the
        epilogue.

2002-02-07  Tom Rix  <trix@redhat.com>

        * config/rs6000/rs6000.c (reg_or_aligned_short_operand): New. For
        immediates in ldu and stdu DS opcode field.
        * config/rs6000/rs6000.md (movdi_update, movdi_update1): Use.
        * config/rs6000/rs6000-protos.h: Add reg_or_aligned_short_operand.
        * config/rs6000/rs6000.h (PREDICATE_CODES): Same.

2002-02-07  Jeff Sturm  <jsturm@one-point.com>

        * config/sparc/sparc.c (compute_frame_size): Don't correct frame
        offset for stack bias.

2002-02-07  H.J. Lu <hjl@gnu.org>

        * config/mips/linux.h (SUBTARGET_ASM_DEBUGGING_SPEC): Defined.

2002-02-07  Ulrich Weigand  <uweigand@de.ibm.com>

        * testsuite/gcc.dg/cpp/charconst-2.c: Add -fsigned-char option.

Thu Feb  7 12:14:17 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386-protos.h (x86_order_regs_for_local_alloc): Declare
        * i386.c (x86_order_regs_for_local_alloc): New global function.
        * i386.h (REG_ALLOC_ORDER): CLeanup.
        (ORDER_REGS_FOR_LOCAL_ALLOC): New.

2002-02-07  Richard Henderson  <rth@redhat.com>

        PR optimization/2463
        * alias.c (find_base_value): Recall base values for fixed hard regs.
        * loop.c (loop_regs_update): Don't use single_set on non-insns.

2002-02-07  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.md (define_delay) [mips16]: Adjust required
        length.

2002-02-06  Richard Henderson  <rth@redhat.com>

        PR c/5609
        * stmt.c (resolve_operand_name_1): Take more care with mixed
        named and unnamed operands.

2002-02-06  Janis Johnson  <janis187@us.ibm.com>
            Jan Hubicka  <jh@suse.cz>

        * loop.c (remove_constant_addition): Avoid clobbering a shared
        CONST expression.

2002-02-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * config.gcc (s390x-*-linux*): Add t-linux64 makefile fragment.
        * config/s390/t-linux64: New file.
        * config/s390/libgcc-glibc.ver: New file.

2002-02-06  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/linux64.h: Delete file.
        * config/s390/s390x.h: New file.
        * config.gcc (s390x-*-linux*): Use s390x.h instead of linux64.h
        as target header file.
        * config/s390/linux.h (TARGET_VERSION): Define depending on
        DEFAULT_TARGET_64BIT.
        (CPP_SPEC, ASM_SPEC, LINK_SPEC): Likewise.
        (SIZE_TYPE, PTRDIFF_TYPE): Likewise.
        (NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_PTRDIFF_TYPE): Define.
        (CPP_ARCH31_SPEC, CPP_ARCH64_SPEC): New defines.
        (LINK_ARCH31_SPEC, LINK_ARCH64_SPEC): New defines.
        (EXTRA_SPEC): New define.
        * config/s390/s390.h (TARGET_VERSION): Define depending on
        DEFAULT_TARGET_64BIT.
        (MASK_RETURN_ADDR): Add run-time check for TARGET_64BIT.

2002-02-06  Jason Merrill  <jason@redhat.com>

        * c-decl.c (finish_function): Warn about a non-void function with
        no return statement and no abnormal exit.
        (current_function_returns_abnormally): New variable.
        (start_function): Clear it.
        (struct c_language_function): Add returns_abnormally.
        (push_c_function_context): Save it.
        (pop_c_function_context): Restore it.
        (builtin_function): Set TREE_THIS_VOLATILE on return fns.
        (grokdeclarator): Set C_FUNCTION_IMPLICIT_INT on functions without
        an explicit return type.
        * c-tree.h: Declare current_function_returns_abnormally.
        (C_FUNCTION_IMPLICIT_INT): New macro.
        * c-typeck.c (build_function_call): Set it.
        (c_expand_return): Set current_function_returns_value even if the
        value is erroneous.

2002-02-06  Jakub Jelinek  <jakub@redhat.com>

        PR c/5420:
        * c-common.c (c_unsafe_for_reeval): Make COMPOUND_LITERAL_EXPR
        unsafe for reevaluation.

2002-02-06  Jakub Jelinek  <jakub@redhat.com>

        PR c/5482:
        * c-common.c (c_expand_expr) [STMT_EXPR]: If last expression is not
        EXPR_STMT, but COMPOUND_STMT, recurse into it.

2002-02-06  Richard Henderson  <rth@redhat.com>

        * cfganal.c (keep_with_call_p): Source for fixed_reg dest must
        be a general_operand.  Dest for function value must be a pseudo.

2002-02-06  Nick Clifton  <nickc@cambridge.redhat.com>

        * dbxout.c (dbxout_symbol_location): Accept LABEL_REFs as well
        as SYMBOL_REFs from the constant pool.

2002-02-06  Alexandre Oliva  <aoliva@redhat.com>

        * dbxout.c (dbxout_parms): Apply DEBUGGER_ARG_OFFSET to parameters
        passed by invisible reference.

2002-02-05  Richard Henderson  <rth@redhat.com>

        * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): No stack bias.

2002-02-06  Hans-Peter Nilsson  <hp@bitrange.com>

        Implement using "base addresses" in insn operands as default.
        * config/mmix/mmix.c (mmix_conditional_register_usage): if
        -mabi=gnu, modify fixed_regs to fit the GNU ABI.
        (mmix_extra_constraint): Use 'R' to indicate that GETA should be
        used to read the rtx value.
        (mmix_target_asm_function_epilogue): Fix spacing.
        (mmix_constant_address_p): Handle TARGET_BASE_ADDRESSES.
        (mmix_legitimate_address): Ditto.
        (mmix_encode_section_info): Set SYMBOL_REF_FLAG on rtx:es that
        should be loaded with a GETA insn.  Don't allocate needless extra
        char for nul termination and fix misleading comment.
        (mmix_print_operand_address): Handle constants if
        TARGET_BASE_ADDRESSES.
        (mmix_output_register_setting): Use base addressing if
        TARGET_BASE_ADDRESSES and the number of insns is 3.
        * config/mmix/t-mmix (MULTILIB_EXTRA_OPTS): New.
        * config/mmix/mmix.md ("movdi"): Change the alternative with GETA
        to use R as constraint, add LDA to match s.
        * config/mmix/mmix.h (TARGET_BASE_ADDRESSES): New.
        (TARGET_DEFAULT): Add TARGET_MASK_BASE_ADDRESSES.
        (TARGET_SWITCHES): Add -mbase-addresses, -mno-base-addresses.
        (FIXED_REGISTERS): Make registers $231..$246 fixed by default.
        (MMIX_MMIXWARE_ABI_REG_ALLOC_ORDER): Move $231..$246 last, in
        order with other fixed registers.
        (MMIX_GNU_ABI_REG_ALLOC_ORDER): Put forward $231, in order with
        other parameter/call-clobbered registers.
        * doc/invoke.texi (Option Summary) <MMIX Options>: Add
        -mbase-addresses, -mno-base-addresses.
        (MMIX Options): Ditto.

2002-02-05  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.h (PREDICATE_CODES): Add reg_before_reload_operand.

2002-02-06  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h: Change elem to _S_elem.

2002-02-05  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/netbsd.h (WCHAR_TYPE): Define.
        (WCHAR_TYPE_SIZE): Ditto.
        (WINT_TYPE): Ditto.
        * config/alpha/netbsd.h (WCHAR_TYPE): Remove.
        (WCHAR_UNSIGNED): Ditto.
        (WCHAR_TYPE_SIZE): Ditto.
        (WINT_TYPE): Ditto.
        * config/arm/netbsd.h: Likewise.
        * config/i386/netbsd-elf.h: Likewise.
        * config/i386/netbsd.h: Likewise.
        * config/m68k/netbsd-elf.h: Likewise.
        * config/m68k/netbsd.h: Likewise.
        * config/ns32k/netbsd.h: Likewise.
        * config/sparc/netbsd.h: Likewise.
        * config/vax/netbsd.: Likewise.

2002-02-05  Alexandre Oliva  <aoliva@redhat.com>

        * target.h (struct gcc_target): Added ms_bitfield_layout_p.
        * target-def.h (TARGET_MS_BITFIELD_LAYOUT_P): New.  Added to...
        (TARGET_INITIALIZER): this.
        * doc/tm.texi (TARGET_MS_BITFIELD_LAYOUT_P): Document.
        (BITFIELD_NBYTES_LIMITED): Markup fix.
        * tree.h (default_ms_bitfield_layout_p): Declare.
        (record_layout_info): Added prev_field.
        * tree.c (default_ms_bitfield_layout_p): New fn.
        * c-decl.c (finish_struct): Disregard EMPTY_FIELD_BOUNDARY and
        PCC_BITFIELD_TYPE_MATTERS for MS bit-field layout.
        * stor-layout.c: Include target.h.
        (start_record_layout): Initialize prev_field.
        (place_field): Handle MS bit-field layout, and disregard
        EMPTY_FIELD_BOUNDARY, BITFIELD_NBYTES_LIMITED and
        PCC_BITFIELD_TYPE_MATTERS in this case.  Update prev_field.
        * Makefile.in (stor-layout.o): Adjust dependencies.

2002-02-05  Jason Merrill  <jason@redhat.com>

        * collect2.c (dump_file): Pass DMGL_VERBOSE to cplus_demangle.

2002-02-05  Andreas Jaeger  <aj@suse.de>

        * crtstuff.c: Fix comments.

2002-02-05  Richard Henderson  <rth@redhat.com>

        PR fortran/3393
        * loop.c (loop_iv_add_mult_emit_before): Copy multiplier as well.
        (loop_iv_add_mult_sink, loop_iv_add_mult_hoist): Likewise.

        PR fortran/3392
        * config/mips/mips.c (function_arg): Handle TImode.
        (function_arg_advance): Likewise.

2002-02-05  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h (vec_step_help): Rename to
        __vec_step_help.

2002-02-05  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h: Fix typos.

2002-02-05  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/arm/netbsd.h: Correct a comment.

2002-02-05  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (altivec_init_builtins): Fix typo
        building void typed builtins.

        * config/rs6000/altivec.h (vec_ld*): Fix typos.
        (vec_step): Implement for C++.

Mon Feb  4 19:23:19 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * final.c (final_scan_insn): Add case for NOTE_INSN_LOOP_END_TOP_COND.

2002-02-04  Richard Henderson  <rth@redhat.com>

        * combine.c (nonzero_bits): Re-introduce special case for
        sp/fp/ap wrt REGNO_POINTER_ALIGN.

2002-02-05  Aldy Hernandez  <aldyh@redhat.com>

        * doc/extend.texi: Warn about unsupported usage of altivec
        builtins.

        * config/rs6000/rs6000.md (altivec_vcmp*_p): Remove.
        (altivec_predicate_*): New.

        * config/rs6000/altivec.h: Rewrite predicates to use new builtins.
        Add C++ version of vec_*() functions.

        * config/rs6000/rs6000.c (bdesc_altivec_preds): New.
        (bdesc_2arg): Remove altivec predicates.
        (altivec_expand_builtin): Handle predicates.
        (altivec_init_builtins): Handle predicates.
        (altivec_expand_predicate_builtin): New.

2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.c (DO_FRAME_NOTES): Move forward.
        (store_reg): Revise handling of frame notes.
        (load_reg): Likewise.
        (set_reg_plus_d): Likewise.
        (hppa_expand_prologue): Likewise.
        (hppa_expand_epilogue): Likewise.

2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * unwind-dw2-fde-glibc.c: Define _GNU_SOURCE if not defined.

2002-02-04  Jakub Jelinek  <jakub@redhat.com>

        PR c/4475, c++/3780:
        * c-common.def (SWITCH_STMT): Add SWITCH_TYPE operand.
        * c-common.h (SWITCH_TYPE): Define.
        * c-typeck.c (c_start_case): Set SWITCH_TYPE.
        * stmt.c (all_cases_count): Set lastval to thisval at end of loop.
        Rename spareness variable to sparseness.
        (expand_end_case_type): Renamed from expand_end_case, use orig_type
        if non-NULL instead of TREE_TYPE (orig_index).
        * tree.h (expand_end_case_type): Renamed from expand_end_case.
        (expand_end_case): Define using expand_end_case_type.
        * c-semantics.c (genrtl_switch_stmt): Pass SWITCH_TYPE
        to expand_end_case_type.
        * doc/c-tree.texi (SWITCH_STMT): Document SWITCH_TYPE.

2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.h (PREFERRED_STACK_BOUNDARY): Define to match standard rounding.
        (BIGGEST_ALIGNMENT): Change to 128.

2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa32-linux.h (LINK_COMMAND_SPEC): Define.

2002-02-04  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.md (call_internal_reg_64bit): Remove unused variable.

2002-02-04  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.h (machine_function): Add uses_anonymous_args
        field.
        (SETUP_INCOMING_VARARGS): Set uses_anonymous_args.
        * config/arm/arm.c (current_function_anonymous_args): Delete,
        replace uses with cfun->machine->uses_anonymous_args.
        (arm_reorg): Do not reset uses_anonymous_args.

        * config/arm/arm.c (arm_hard_regno_mode_ok): Allow any value in
        any geenral register.

2001-02-04  Bernd Schmidt  <bernds@redhat.com>s

        * cfgrtl.c (force_nonfallthru_and_redirect): Don't try to redirect
        the entry block.

2002-02-04  Richard Henderson  <rth@redhat.com>

        * combine.c (force_to_mode): Remove STACK_BIAS code.
        (nonzero_bits): Likewise.  Replace sp/fp special case with
        REGNO_POINTER_ALIGN.

        * config/sparc/sparc.h (FRAME_POINTER_REGNUM): Change to SFP.
        (HARD_FRAME_POINTER_REGNUM): New.
        (FIRST_PSEUDO_REGISTER, REG_CLASS_CONTENTS): Update.
        (FIXED_REGS, CALL_USED_REGS): Update.
        (REG_ALLOC_ORDER, REGISTER_NAMES): Update.
        (CONDITIONAL_REGISTER_USAGE): Update for HFP.
        (HARD_REGNO_NREGS): Update for SFP.
        (STACK_POINTER_OFFSET): Include bias here ...
        (FIRST_PARM_OFFSET): ... not here.
        (STACK_BIAS): Remove.
        (INIT_EXPANDERS): New.
        (STARTING_FRAME_OFFSET): Do not include bias.
        (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
        (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P): Update for SFP.
        (REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Likewise.
        * config/sparc/aout.h (DBX_REGISTER_NUMBER): Update for HFP.
        * config/sparc/litecoff.h, config/sparc/sol2.h: Likewise.
        * config/sparc/sparc.c (mem_min_alignment): Update for HFP.
        (sparc_nonflat_function_prologue, epilogue_renumber): Likewise.
        (MUST_SAVE_REGISTER): Likewise.
        (sparc_flat_function_prologue): Likewise.
        (sparc_flat_function_epilogue): Likewise.
        (HARD_FRAME_POINTER_MASK): Rename from FRAME_POINTER_MASK.
        (sparc_init_modes): SFP is GENERAL_REGS.
        (sparc_builtin_saveregs): SFP does not have bias applied.

2002-02-04  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (current_function_is_thunk): Don't check
        current_function_is_thunk.
        (alpha_sa_mask): Distinguish between current_function_is_thunk
        called from ASM_OUTPUT_MI_THUNK and not.
        (alpha_does_function_need_gp): Thunks always need gp.
        (alpha_start_function, alpha_output_function_end_prologue): Likewise.
        (alpha_output_mi_thunk_osf): New.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): New.

2002-02-04  Richard Sandiford  <rsandifo@redhat.com>

        * c-typeck.c (build_c_cast): Warn when qualifiers are added to
        function types, not when they're taken away.

Mon Feb  4 09:05:58 2002  Jeffrey A Law  (law@redhat.com)

        * cfgrtl.c (try_redirect_by_replacing_jump): Remove associated
        CODE_LABEL and jump table when replacing a table jump with a
        simple jump.

2002-02-04  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390-protos.h (legitimize_la_operand,
        s390_secondary_input_reload_class, s390_plus_operand,
        s390_expand_plus_operand): Add prototypes.

        config/s390/s390.c (s390_secondary_input_reload_class,
        s390_plus_operand, s390_expand_plus_operand): New functions.

        (struct s390_address): New member 'pointer'.
        (s390_decompose_address): Compute it.
        (legitimate_la_operand_p): Use it.
        (legitimize_la_operand): New function.
        (movti, movdi, movdf splitters): Call it.

        config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS): Define.
        (PREDICATE_CODES): Add s390_plus_operand.

        config/s390/s390.md (adddi3_inv_64, addaddr_ccclobber): Delete.
        (la_ccclobber): Allow GENERAL_REGS as output operand.

        (reload_load_address, *reload_load_address_reg_0, *la, *do_la_reg_0,
        *reload_la_64, *reload_la_31 and splitters): Delete, replace by ...
        (*la_64, *la_31, reload_indi, reload_insi): ... these.

2002-02-04  Ulrich Weigand  <uweigand@de.ibm.com>

        * gcc/config/s390/s390.h (CRT_CALL_STATIC_FUNCTION): Fixed
        register names for regular asm () construct.

2002-02-04  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.md (movsf_1): Allow moving SF values in MMX
        registers.

2002-02-04  Jakub Jelinek  <jakub@redhat.com>

        * combine.c (recog_for_combine): Create a dummy insn with PATTERN
        pat for recog.

2002-02-04  Hartmut Penner  <hpenner@de.ibm.com>

        * varasm.c (decode_rtx_const): Allow unspec (symbol_ref) in
        constant pool to be identical by string address and index.

2002-02-04  Anthony Green  <green@redhat.com>

        * output.h (SECTION_OVERRIDE): Define.
        * varasm.c (named_section): Obey SECTION_OVERRIDE.

2002-02-03  Jason Thorpe  <thorpej@wasabisystems.com>

        * config.gcc (arm*-*-netbsdelf*): Placeholder to prevent match
        by existing arm*-*-netbsd* (a.out) target.
        (ns32k-*-netbsdelf*): Likewise.
        (sparc-*-netbsdelf*): Likewise.
        (vax-*-netbsdelf*): Likewise.

2002-02-03  Danny Smith <dannysmith@users.sourceforge.net>

        * gthr-win32.h: Protect against conflicting typedef for BOOL in windows
        headers and libobjc headers.

2002-02-03  Mumit Khan  <khan@nanotech.wisc.edu>

        * gthr-win32.h (__mingwthr_key_dtor): Use extern "C" linkage for C++.
        (_mingw.h): Remove duplicate include.

2002-02-03  Jason Thorpe  <thorpej@wasabisystems.com>

        * config.gcc: Set cpu_type to m68k for 68010, as well.
        (m68010-*-netbsdelf*): New...
        (m68k*-*-netbsdelf*): ...targets.
        * config/m68k/netbsd-elf.h: New file.

2002-02-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (hand_list): Move inside function_arg.

2002-02-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (h8_push_ops): Move inside
        h8300_init_once.
        (h8_pop_ops): Likewise.
        (h8_move_ops): Likewise.

2002-02-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (os_task): Make it static.
        (monitor): Likewise.
        (pragma_saveall): Likewise.

2002-02-02  Alexandre Oliva  <aoliva@redhat.com>

        * config/sh/sh.md (ic_invalidate_line): Make sure the immediate
        constant is a valid sign-extension for Pmode.

2002-02-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c: Fix formatting.

2002-02-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md: Fix formatting.

2002-02-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (one_cmpl patterns): Tighten the
        predicates of operands[1].  Split the patterns for each
        processor variant.

2002-02-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (xor patterns): Tighten the predicates
        of operands[1] to register_operand.

2002-02-02  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpphash.h (struct spec_nodes): Remove n__CHAR_UNSIGNED__.
        * cpphash.c (_cpp_init_hashtable): Similarly.
        * cppinit.c (cpp_create_reader): Default the signed_char flag.
        (init_builtins): Define __CHAR_UNSIGNED__ appropriately.
        (COMMAND_LINE_OPTIONS): Recognise -f{un,}signed-char.
        (cpp_handle_option): Handle the new options.
        * cpplex.c (cpp_interpret_charconst): Use new flag.
        * cpplib.h (struct cpp_options): New member signed_char.
        * gcc.c (cpp_unique_options): Remove %c spec and documentation.
        (cpp_options): Handle -fsigned-char and -funsigned-char.
        (static_specs): Remove signed_char_spec.
        (do_spec1): Don't handle %c.
        * system.h: Poison SIGNED_CHAR_SPEC.
        * tradcif.y (yylex): Use flag_signed_char.
        * tradcpp.h (flag_signed_char): New.
        * tradcpp.c (flag_signed_char): New.
        (main): Handle new command-line options.
        (initialize_builtins): Define __CHAR_UNSIGNED__ if appropriate.
config:
        * alpha/alpha.h (SIGNED_CHAR_SPEC): Remove.
        * avr/avr.h: Remove old comments.
        * i960/i960.h (CPP_SPEC): Pass -fsigned-char if -mic*.
        (CC1_SPEC): Pass -fsigned-char if -mic*.
        (SIGNED_CHAR_SPEC): Remove.
doc:
        * tm.texi (SIGNED_CHAR_SPEC): Remove documentation.

2002-02-01  Eric Christopher  <echristo@redhat.com>

        From Daniel Jacobowitz <dmj+@andrew.cmu.edu>
        * config/mips/mips.h (FUNCTION_PROFILER): Fix function profiling.
        * config/mips/linux.h (ASM_OUTPUT_REG_PUSH): Undefine.
        (ASM_OUTPUT_REG_POP): Ditto.

2002-02-02  Neil Booth  <neil@daikokuya.demon.co.uk>

        * c-decl.c, tree.c, tree.h, objc/objc-act.c: Revert bitfield
        patch.

2002-02-02  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Add missing | separators.

2002-02-02  Jakub Jelinek  <jakub@redhat.com>

        PR c/5304:
        * expmed.c (expand_mult_highpart): Use immed_double_const for wide_op1
        unconditionally.

2002-02-01  Janis Johnson  <janis187@us.ibm.com>

        * cfganal.c: Include tm_p.h.
        (keep_with_call_p): Fix the test that determines if a register holds
        the return value of a call.

2002-02-01  DJ Delorie  <dj@redhat.com>

        * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): If
        we are given conflicting registers, switch to the other one we
        had allocated for us.
        * config/sparc/sparc.md (reload_indi, reload_outdi): Pass op[2]
        as TImode so we know when the "other" register is available.

2002-02-01  David O'Brien  <obrien@FreeBSD.org>

        * config/sparc/sol2-sld-64.h: Include sparc/biarch64.h rather than
        sparc/sparc_bi.h.

2002-02-01  Janis Johnson  <janis187@us.ibm.com>

        * cfganal.c (keep_with_call_p): New function.
        (flow_call_edges_add): Prevent splitting a block between a call and
        a single-set instruction that should be kept in the same block.

2002-02-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * doc/install.texi (avr): Update outdated URL.

2002-01-30  Andrew Haley  <aph@cambridge.redhat.com>

        * config/stormy16/stormy16.md (pushqi): New.
        (popqi): New.
        (pushhi): New.
        (pophi): New.
        (movhi): Remove stack operands.
        (movqi): Likewise.
        * config/stormy16/stormy16.h (PREDICATE_CODES): Add
        nonimmediate_nonstack_operand.
        * config/stormy16/stormy16.c (nonimmediate_nonstack_operand):
        New.
        * config/stormy16/stormy16-protos.h (nonimmediate_nonstack_operand)
        New.

2002-01-31  Jason Merrill  <jason@redhat.com>

        * Makefile.in (c-parse.c): Handle .output file.
        * objc/Make-lang.in (objc-parse.c): Likewise.

2002-02-01  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (ENDIAN_SPEC): Output the endianness flag if
        the -me[lb] option is given.  Don't output the default flag
        twice.

2002-01-31  Zack Weinberg  <zack@codesourcery.com>

        * c-lex.c (yyparse): Call debug_hooks->start_source_file for
        the primary source file; this has not been done yet.
        * c-decl.c (c_expand_body): Reset input_filename from
        DECL_SOURCE_FILE (fndecl) before calling init_function_start.

2002-01-31  Kazu Hirata  <kazu@hxi.com>

        * rtlanal.c (subreg_regno_offset): Do not use
        SUBREG_REGNO_OFFSET.
        * system.h: Add SUBREG_REGNO_OFFSET to the GCC poison list.
        * doc/tm.texi (SUBREG_REGNO_OFFSET): Remove.

2002-01-31  Joseph S. Myers  <jsm28@cam.ac.uk>

        * gccbug.in: Follow GNU Coding Standards for --version.  Use GCC
        version rather than GNATS version in --version output.

2002-01-31  Richard Sandiford  <rsandifo@redhat.com>

        * ifcvt.c (noce_process_if_block): Make a copy of the destination
        when copying back from a temporary.

2002-01-30  Richard Henderson  <rth@redhat.com>

        * ifcvt.c (dead_or_predicable): Handling merging when other_bb
        and new_dest are the same.

2002-01-30  Richard Henderson  <rth@redhat.com>

        PR opt/5076
        * rtl.h (NOTE_INSN_LOOP_END_TOP_COND): New.
        * rtl.c (note_insn_name): Update.
        * emit-rtl.c (remove_unnecessary_notes): Kill it.
        * stmt.c (expand_end_loop): Kill jump opt code.  Use LOOP_END_TOP_COND
        to perform loop rotation.
        (expand_exit_loop_top_cond): New.
        * tree.h (expand_exit_loop_top_cond): Declare it.
        * c-semantics.c (genrtl_while_stmt): Use it.
        (genrtl_for_stmt): Likewise.

2002-01-30  Alexandre Oliva  <aoliva@redhat.com>

        * config/mips/mips.h (PARM_BOUNDARY): Guarantee alignment of
        arguments to 64-bit boundaries on 64-bit ABIs.

2002-01-30  Steve Ellcey  <sje@cup.hp.com>

        * loop.c (loop_invariant_p): Special case pic_offset_table_rtx.

2002-01-31  Joseph S. Myers  <jsm28@cam.ac.uk>

        * c-decl.c (grokdeclarator): Handle type being a typedef for an
        invalid type.

2002-01-30  David O'Brien  <obrien@FreeBSD.org>

        * config.gcc: Include sparc/biarch64.h rather than sparc/sparc_bi.h.
        * config/sparc/sparc_bi.h: Remove file.
        * config/sparc/biarch64.h: New file (rename of sparc_bi.h).

2002-01-30  Richard Henderson  <rth@redhat.com>

        * sched-deps.c (sched_analyze): Make a call read the frame pointer.

2002-01-30  Zack Weinberg  <zack@codesourcery.com>

        * expmed.c (emit_store_flag): Call protect_from_queue on op0 and op1.

2002-01-30  Jason Merrill  <jason@redhat.com>

        * dwarf2out.c (dwarf_cfi_name): Add other DWARF 3 codes.
        (output_cfi): Likewise. Disable DW_CFA_GNU_negative_offset_extended.
        (reg_save): Use DW_CFA_offset_extended_sf instead.

        * dwarf2out.c (dwarf2out_finish): Don't abort if there were errors.

2002-01-29  Jakub Jelinek  <jakub@redhat.com>

        * cselib.c (cselib_record_sets): Use IF_THEN_ELSE result
        in cselib_lookup.

2002-01-29  Aldy Hernandez  <aldyh@redhat.com>

        * rs6000.md ("*call_value_local32"): Remove constraints.
        ("*call_value_local64"): Same.
        ("*call_value_indirect_nonlocal_aix32"): Same.
        ("*call_value_nonlocal_aix32"): Same.
        ("*call_value_indirect_nonlocal_aix64"): Same.
        ("*call_value_nonlocal_aix64"): Same.
        ("*call_value_nonlocal_sysv"): Same.

2002-01-29  Richard Henderson  <rth@redhat.com>

        * config/alpha/elf.h (SDB_DEBUGGING_INFO): Undef.

2002-01-29  Richard Henderson  <rth@redhat.com>

        * expr.c (force_operand): Ignore flag_pic for detecting pic
        address loads.
        * regclass.c (init_reg_sets_1): Test fixed_regs not flag_pic
        for determining if PIC_OFFSET_TABLE_REGNUM is call-clobbered.
        * resource.c (mark_target_live_regs): Use regs_invalidated_by_call
        instead of open-coded loop.
        * doc/tm.texi (PIC_OFFSET_TABLE_REGNUM): Clarify that it must
        be fixed when in use.

2002-01-29  Richard Henderson  <rth@redhat.com>

        * sched-int.h (struct deps_reg): Add uses_length, clobbers_length.
        * sched-rgn.c (propagate_deps): Update them.
        * sched-deps.c (sched_analyze_insn): Update them.  Flush the
        clobbers list when either gets too long.

2002-01-29  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.h (LIMIT_RELOAD_CLASS): Handle LEGACY_REGS
        and INDEX_REGS the same as GENERAL_REGS.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.

2002-01-29  Neil Booth  <neil@daikokuya.demon.co.uk>

        * tree.c (build_nonstandard_integer_type): Correct prototype.

2002-01-29  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md (movstrsico, movstrdix_64,
        movstrsix_31): Remove, replace by ...
        (movstrdi_short, movstrsi_short, movstrdi_long,
        movstrsi_long): ... these.  New.
        (movstrdi, movstrsi): Adapt.

        (rotldi3, rotlsi3, ashldi3, *ashldi3_31, *ashldi3_64,
        ashlsi3, lshrdi3, *lshrdi3_31, *lshrdi3_64, lshrsi3):
        Remove unnecessary CC clobber.
        (*ashrdi3_cc_31, *ashrdi3_cconly_31, *ashrdi3_cc_64,
        *ashrdi3_cconly_64, *ashrsi3_cc, *ashrsi3_cconly): New.

        (divmoddi4): Don't partially initialize TImode register.

2002-01-29  Geoffrey Keating  <geoffk@redhat.com>

        * doc/sourcebuild.texi (C Tests): Document gcc.dg/debug directory.

2002-01-29  Richard Henderson  <rth@redhat.com>

        * flow.c (print_rtl_and_abort): Remove.
        (print_rtl_and_abort_fcn): Remove.
        (verify_local_live_at_start): Use dump_bb instead.
        (verify_wide_reg): Likewise. Take a basic_block, not rtl endpoints.
        (verify_wide_reg_1): Return 2 on mode test failure.

2002-01-29  Neil Booth  <neil@daikokuya.demon.co.uk>

        PR c/3325, c/3326, c/2511, c/3347
        * c-decl.c (enum_decl_context): Remove BITFIELD.
        (grokdeclarator): Take bitfield width as an input.
        Ensure bitfields are given the correct type.  Perform
        bitfield width validation with build_bitfield_integer_type
        rather than waiting for finish_struct.
        (grok_typename, grok_typename_in_parm_context, start_decl,
        push_parmdecl, grokfield, start_function): Update calls to
        grokdeclarator.
        (build_bitfield_integer_type): New function.
        (finish_struct): Move bitfield validation to grokdeclarator
        and build_bitfield_integer_type.
        * tree.c (build_nonstandard_integer_type): New function.
        * tree.h (build_nonstandard_integer_type): New prototype.
objc:
        * objc-act.c (objc_copy_list): Remove DECL_INITIAL kludge.

2002-01-29  Jakub Jelinek  <jakub@redhat.com>

        PR other/1502:
        * cppinit.c (cpp_handle_option): Add ignore argument, if it is zero,
        don't ignore unrecognized -W* options.
        (cpp_handle_options): Pass 1 as last argument to cpp_handle_option.
        * cpplib.h (cpp_handle_option): Adjust prototype.
        * c-decl.c (c_decode_options): Pass 0 as last argument to
        cpp_handle_option.

        PR c/2896:
        * gcc.c (cpp_unique_options): Split from cpp_options.
        (cpp_options): Source cpp_unique_options.
        (default_compilers): Use cpp_unique_options instead of cpp_options
        when used together with cc1_options.
        (static_specs): Add cpp_unique_options.
        * objc/lang-specs.h: Use cpp_unique_options instead of cpp_options
        when used together with cc1_options.

2002-01-29  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Update the prototype of
        output_a_shift.
        * config/h8300/h8300.c (output_a_shift): Remove an unused
        argument 'insn'.  Remove redundant code.
        * config/h8300/h8300.md: Adust to the new prototype of
        output_a_shift.

2002-01-29  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Update the prototypes of
        emit_a_rotate and expand_a_rotate.
        * config/h8300/h8300.c (emit_a_rotate): Change the type of the
        first argument to 'enum rtx_code'.
        (expand_a_rotate): Likewise.

2002-01-28  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Update the prototype of
        output_simode_bld.
        * config/h8300/h8300.c (output_simode_bld): Remove an argumen
        'log2'.
        * config/h8300/h8300.md: Adjust to the new prototype.

2002-01-28  Kazu Hirata  <kazu@hxi.com>

        * conifg/h8300/h8300.c (h8300_adjust_insn_length): Remove
        redundant code.

2002-01-28  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * emit-rtl.c (gen_rtx_REG): Check that the PIC_OFFSET_TABLE_REGNUM
        is a fixed register before returning pic_offset_table_rtx.
        * loop.c (scan_loop): Don't hoist insns that set pic_offset_table_rtx
        when PIC_OFFSET_TABLE_REG_CALL_CLOBBERED is defined.

2002-01-28  Jason Merrill  <jason@redhat.com>

        * dwarf2.h: Sync with src version.

2002-01-28  Paul Koning  <pkoning@equallogic.com>

        * builtin-types.def (BT_FN_VOID_CONST_PTR_VAR): Replace
        BT_FN_VOID_PTR_VAR.
        * builtins.def (BUILT_IN_PREFETCH): Change first argument to be const.
        * doc/extend.texi (__builtin_prefetch): Update documentation:
        first argument is now const void ptr.

2002-01-28  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Remove an unused prototype.

2002-01-28  Roman Zippel  <zippel@linux-m68k.org>

        * toplev.c (lang_independent_init): Round up identifier size.

2002-01-28  Richard Earnshaw  <rearnsha@arm.com>

        * config.gcc: Revert previous change.

2002-01-28  Andris Pavenis  <pavenis@latnet.lv>

        * config/i386/djgpp.h: Use STRIP_NAME_ENCODING in macro UNIQUE_SECTION

2002-01-28  Richard Earnshaw  <rearnsha@arm.com>

        * config.gcc (*-*-netbsdelf*): Set up generic parameters.
        (*-*-netbsd*): Always use collect2.  Remove collect2 settings from
        other non-elf netbsd config frags.
        * config/netbsd-aout.h (STARTFILE_SPEC): Don't pull in c++rt0 since
        collect2 will does that.
        * config/netbsd.h (LIBGCC_SPEC): Add white space before -lgcc, so that
        shared-lib frobbing will work.

2002-01-28  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h: Fix formatting.
        * config/h8300/h8300.md: Likewise.

2002-01-28  Loren J. Rittle  <ljrittle@acm.org>

        * fixinc/inclhack.def (strict_ansi_not): Add a bypass based on
        the old, removed AAA_standards fix.
        * fixinc/fixincl.x: Rebuilt.

2002-01-28  Hans-Peter Nilsson  <hp@axis.com>

        * config/cris/cris.h (CRT_CALL_STATIC_FUNCTION): Change to emit
        atexit call in crtbegin, hooked in after call to frame_dummy;
        register EH before registering __fini__start.

2002-01-28  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/altivec.h: Remove spurious semicolons.

2002-01-27  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md: Replace dead bit extraction patterns
        with ones that work.

Sun Jan 27 13:23:40 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * emit-rtl.c (get_mem_attrs): Don't default alignment for non-BLKmode
        if not STRICT_ALIGNMENT.
        * rtl.h (MEM_ALIGN): Likewise.

2002-01-27  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * doc/invoke.texi (-fdump-translation-unit): Revert this
        patch: 2001-10-21  Craig Rodrigues  <rodrigc@gcc.gnu.org>

2002-01-27  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (define_constants): New.
        (anonymous patterns) Use defined constants appropriately.

2002-01-27  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (function_arg): Remove redundant code.

2002-01-26  Richard Henderson  <rth@redhat.com>

        * sched-deps.c (reg_pending_uses_head): New.
        (reg_pending_barrier): Rename from reg_pending_sets_all.
        (find_insn_list): Don't mark inline.
        (find_insn_mem_list): Remove.
        (add_dependence_list, add_dependence_list_and_free): New.
        (flush_pending_lists): Replace only_write param with separate
        for_read and for_write parameters.  Update all callers.  Use
        add_dependence_list_and_free.
        (sched_analyze_1): Do not add reg dependencies here; just set
        the pending bits.  Use add_dependence_list.
        (sched_analyze_2): Likewise.
        (sched_analyze_insn): Replace schedule_barrier_found with
        reg_pending_barrier.  Add all dependencies for pending reg
        uses, sets, and clobbers.
        (sched_analyze): Don't add reg dependencies for calls, just
        set pending bits.  Use regs_invalidated_by_call.  Treat
        sched_before_next_call as a normal list, not a fake insn.
        (init_deps): No funny init for sched_before_next_call.
        (free_deps): Free pending mems lists.  Don't zero reg_last.
        (init_deps_global): Init reg_pending_uses.
        (finish_deps_global): Free it.
        * sched-int.h (deps): Make in_post_call_group_p boolean.  Update docs.
        (find_insn_mem_list): Remove.
        * sched-rgn.c (concat_INSN_LIST, concat_insn_mem_list): New.
        (propagate_deps): Use them.  Zero temp mem lists.

2002-01-26  Richard Henderson  <rth@redhat.com>

        * Makefile.in (CRTSTUFF_CFLAGS): New.
        (crtbegin.o, crtend.o, crtbeginS.o, crtendS.o, crtbeginT.o): Use it.
        * config.gcc (alpha-linux, alpha-freebsd, alpha-netbsd): Use plain
        crtstuff.c instead of alpha assembly version.
        * crtstuff.c (CRT_CALL_STATIC_FUNCTION): Rewrite to assume the
        entire dummy function sequence.  Use FORCE_CODE_SECTION_ALIGN
        not FORCE_{INIT,FINI}_SECTION_ALIGN.
        (__do_global_dtors_aux): Mark used.
        (frame_dummy, __do_global_ctors_aux): Mark used.
        (fini_dummy, init_dummy): Remove.

        * config/alpha/crtbegin.asm: Remove file.
        * config/alpha/crtend.asm: Remove file.
        * config/alpha/t-crtbe: Remove file.
        * config/alpha/elf.h (CRT_CALL_STATIC_FUNCTION): New.
        (LINK_EH_SPEC): New.

        * config/cris/cris.h (CRT_CALL_STATIC_FUNCTION): Rewrite old
        FORCE_INIT_SECTION_ALIGN hack.  Register __fini_start before
        calling constructors.
        * config/cris/linux.h (CRT_CALL_STATIC_FUNCTION): Undef.

        * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): New.
        * config/i386/linux.h (CRT_CALL_STATIC_FUNCTION): Replace old
        CRT_END_INIT_DUMMY hack.
        * config/i386/sol2.h (FORCE_CODE_SECTION_ALIGN): Replace
        FORCE_{INIT,FINI}_SECTION_ALIGN.

        * config/mcore/mcore-elf.h (FORCE_CODE_SECTION_ALIGN): Replace
        FORCE_{INIT,FINI}_SECTION_ALIGN.

        * config/s390/s390.h (CRT_CALL_STATIC_FUNCTION): Update for new
        invocation sequence.
        * config/sh/sh.h (CRT_CALL_STATIC_FUNCTION): Likewise.

        * doc/tm.texi (CRT_CALL_STATIC_FUNCTION): Update.
        (FORCE_CODE_SECTION_ALIGN): New.

2002-01-26  Richard Henderson  <rth@redhat.com>

        * config/cris/cris.c (cris_print_operand): Handle 64-bit CONST_INT.

2002-01-26  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_sa_mask): Mark RA for unicos here too.
        (alpha_sa_size): Use alpha_sa_mask to compute size of saved regs.

2002-01-26  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md: Remove bit extraction patterns that
        cannot be triggered.
        Restrict each bit extraction pattern to a variant on which the
        pattern is tested.

2002-01-26  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/include/texinfo.tex: Update to version 2002-01-04.07.

2002-01-26  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md: Remove bit test patterns that cannot
        be triggered.
        Restrict each bit test pattern to a variant on which the
        pattern is tested.

2002-01-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * builtins.c (expand_builtin_strncat): Remove redundant check for
        INTEGER_CST.

2002-01-25  David O'Brien  <obrien@FreeBSD.org>

        * config/i386/x86-64.h (DEFAULT_PCC_STRUCT_RETURN): Do not overide
        default setting.
        * config/i386/freebsd64.h (DEFAULT_PCC_STRUCT_RETURN): Do not override
        existing setting.

2002-01-25  Geoffrey Keating  <geoffk@redhat.com>

        * dbxout.c (dbxout_init): Use assemble_name rather than just
        stripping off the first character.
        (dbxout_source_file): Likewise.

2002-01-25  DJ Delorie  <dj@redhat.com>

        * config/sparc/sparc.c (sparc_emit_set_symbolic_const64): Compare
        using rtx_equal_p, not by comparing pointers.

2002-01-25  Steve Ellcey  <sje@cup.hp.com>

        * emit-rtl.c (gen_rtx_REG): Always return the same rtx
        for PIC_OFFSET_TABLE_REGNUM.
        (init_emit_once): Use gen_raw_REG to initialize pic_offset_table_rtx.

2002-01-25  David O'Brien  <obrien@FreeBSD.org>

        * config.gcc (x86_64-*-freebsd*): New target.
        (x86_64-*-netbsd*,x86_64-*-linux*): Use ${tm_file} rather than its
        value.
        (i[34567]86-*-freebsd*): Don't include svr4.h.
        * config/i386/freebsd64.h: New file.

2002-01-25  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/x-vms (version): Make static.

        * config/alpha/vms.h (MD_FALLBACK_FRAME_STATE_FOR): Fix error
        in previous checkin.

        * Makefile.in (install-headers-cp): New target.
        * config.gcc (alpha-dec-*vms*): Install headers with
        install-headers-cp

Fri Jan 25 22:42:49 CET 2002  Jan Hubicka  <jh@suse.cz>

        * unroll.c (unroll_loop): Lower final_value to nonmemory operand;
        avoid it's copies.

Fri Jan 25 08:26:19 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * builtins.c (expand_builtin_strncpy): Use integer_zerop instead
        of compare_tree_int.
        (expand_builtin_strncat): Likewise.
        * c-decl.c (finish_struct): Use tree_low_cst.
        * tree.h (compare_tree_int): Arg is unsigned HOST_WIDE_INT.
        * tree.c (compare_tree_int): Likewise.

2002-01-25  Ulrich Weigand  <uweigand@de.ibm.com>

        * reload1.c (eliminate_regs_in_insn): Recognize frame pointer
        adjustments even if they are implemented by more than two insns.

Fri Jan 25 20:43:56 CET 2002  Jan Hubicka  <jh@suse.cz>

        * df.c (df_ref_create, df_ref_record_1, df_ref_record): Kill BB arg.
        * df.h (struct ref): Kill B.
        (DF_REF_BB, DF_REF_BBNO): Use BLOCK_FOR_INSN.

        * basic-block.h (PROP_EQUAL_NOTES): New flag.
        * flow.c (propagate_one_insn): Use it.
        (mark_used_regs): Handle NIL.

2002-01-25  Geoffrey Keating  <geoffk@redhat.com>

        * config/stormy16/stormy16.md (tablejump_pcrel): Use a MEM
        to help folding.

2002-01-25  David Edelsohn  <edelsohn@gnu.org>

        * rs6000.md (prefetch): Make address V4SI mode so that the address
        is restricted to legitimate form for instruction.

2002-01-25  Bob Wilson  <bob.wilson@acm.org>

        * doc/install.texi (xtensa-*-elf): New target.
        (xtensa-*-linux*): New target.
        * doc/contrib.texi: Add myself.

2002-01-25  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.c (arm_hard_regno_mode_ok): Allow any general
        purpose register to hold an SImode (or smaller) value.

2002-01-25  Jakub Jelinek  <jakub@redhat.com>

        * unwind-dw2-fde-glibc.c: If inhibit_libc, use __register_frame*
        registry only.
        * crtstuff.c: Likewise.

2002-01-25  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (negation patterns): Tighten
        predicates to register_operand.

2002-01-24  Aldy Hernandez  <aldyh@redhat.com>

        * loop.c (emit_prefetch_instructions): Use the prefetch insn's
        mode, not Pmode.

        * builtins.c (expand_builtin_prefetch): Same.

2002-01-24  Alexandre Oliva  <aoliva@redhat.com>

        * config/sh/sh.md (sym_label2reg): Make sure all CONSTs have
        modes.

2002-01-24  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (print_operand): Remove support for
        operand character 'A'.
        * config/h8300/h8300.md (three anonymous patterns): Replace
        operand character 'A' with either 'T' or 'S'.

2002-01-24  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (print_operand): Remove support for
        operand character 'U'.

2002-01-24  Andris Pavenis  <pavenis@latnet.lv>

        * config/i386/t-djgpp: Use NATIVE_SYSTEM_HEADER_DIR.

2002-01-24  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.c (arm_hard_regno_mode_ok): Allow SImode
        values to be assigned to the stack pointer.

2002-01-14  Hartmut Penner  <hpenner@de.ibm.com>

        * emit_rtl.c (gen_lowpart_common): Conversion from const_int
        to const_double needs to be done right for big-endian systems.

2002-01-24  Jason Merrill  <jason@redhat.com>

        PR c++/2432
        * config/sparc/sparc.md (call-jump peepholes): Pass the right insn
        to can_throw_internal.

2002-01-23  Richard Henderson  <rth@redhat.com>

        * fold-const.c (fold): Change UINT_MAX test to check vs precision
        rather than TYPE_MAX_VALUE.  Fix indentation and a bogus negation.

2002-01-24  Alexandre Oliva  <aoliva@redhat.com>

        * config/sh/sh.md (symGOT_load, sym2GOT, sym2GOTOFF): New expands.
        (symGOT2reg): Use them, then set as GOT value as unchanging.
        (symGOTOFF2reg): Set REG_EQUAL note.  Use a different pseudo
        as a temporary, if possible.
        (symPLT_label2reg): Enclose (pc) in UNSPEC_PIC.  Emit
        sym@PLT-(.LPCS#+2-.) instead of sym@PLT+.-(.LPCS#+2).

2002-01-23  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md: Fix xorqi and xorqi so that they will
        accept to accept 0x80 as operands[2].

2002-01-24  Alexandre Oliva  <aoliva@redhat.com>

        * config/sparc/sparc.md (fix_trunctfdi2): Correct typo in mode.

2002-01-23  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (call_value_osf_1_er peepholes): Fix typo.

2002-01-23  Aldy Hernandez  <aldyh@redhat.com>

        * c-parse.in (parmlist_or_identifiers): Add maybe_attribute.
        (parmlist_or_identifiers_1): Verify that only a parmlist follows
        an attribute.

2002-01-23  Richard Henderson  <rth@redhat.com>

        * expr.c (move_by_pieces_1): Extend size before negation.

        * config/m68k/t-m68kbare (MULTILIB_OPTIONS): Add 68040 and 68060.
        (MULTILIB_MATCHES): Remove 68040 and 68060 aliases.
        (MULTILIB_EXCEPTIONS): Ignore 68881 and soft-float for 68040 and 68060.
        * config/m68k/t-m68kelf: Likewise.

2002-01-23  Bob Wilson  <bob.wilson@acm.org>

        * config/xtensa/elf.h: New file.
        * config/xtensa/lib1funcs.asm: New file.
        * config/xtensa/lib2funcs.S: New file.
        * config/xtensa/linux.h: New file.
        * config/xtensa/t-xtensa: New file.
        * config/xtensa/xtensa-config.h: New file.
        * config/xtensa/xtensa-protos.h: New file.
        * config/xtensa/xtensa.c: New file.
        * config/xtensa/xtensa.h: New file.
        * config/xtensa/xtensa.md: New file.
        * config.gcc (xtensa-*-elf*): New target.
        (xtensa-*-linux*): New target.
        * cse.c (canon_hash): Compare rtx pointers instead of register
        numbers.  This is required for the Xtensa port.
        * integrate.c (copy_insn_list): Handle case where the static
        chain is in memory and the memory address has to be copied to
        a register.
        * doc/invoke.texi (Option Summary): Add Xtensa options.
        (Xtensa Options): New node.
        * doc/md.texi (Machine Constraints): Add Xtensa machine constraints.

2002-01-23  Zack Weinberg  <zack@codesourcery.com>

        * diagnostic.c (internal_error): Do ICE suppression only
        when ENABLE_CHECKING is not defined.

        * c-typeck.c (require_complete_type): Return error_mark_node
        if type is error_mark_node.

2002-01-23  Janis Johnson  <janis187@us.ibm.com>

        * toplev.c (process_options): Disable -fprefetch-loop-arrays with
        -Os and issue a warning.

2002-01-23  Zack Weinberg  <zack@codesourcery.com>

        * doc/fragments.texi, doc/hostconfig.texi: Update to reflect
        current (lack of) need for host configuration by hand.

        * doc/gccint.texi, doc/rtl.texi, doc/tm.texi: Adjust cross
        references.  Documentation of some target macros moved from
        hostconfig.texi to tm.texi.

2002-01-23  Will Cohen  <wcohen@redhat.com>

        * config/arm/arm.h (THUMB_FUNCTION_PROFILER): Define if not currently
        defined.

2002-01-23  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (*andorhi3): Accept 0x8000 as an
        operand[3].

2002-01-23  Jason Merrill  <jason@redhat.com>

        * tree.c (build1): Don't set TREE_READONLY on INDIRECT_REF.

        * function.c (assign_parms): Don't put args of inline functions
        into registers when not optimizing.

2002-01-23  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.md (UNSPEC_PROLOGUE_USE): New unspec constant.
        (prologue_use): New pattern.
        * config/arm/arm.c (expand_prologue): Use gen_prologue_use in
        preference to gen_rtx_USE.
        (thumb_expand_prologue): Use gen_prologue_use in preference to
        gen_rtx_USE.
        (thumb_expand_epilogue): Use gen_prologue_use in preference to
        gen_rtx_USE.

2002-01-23  Hans-Peter Nilsson  <hp@bitrange.com>

        * loop.c [!HAVE_prefetch] (CODE_FOR_prefetch): Define to 0.

2002-01-23  Neil Booth  <neil@daikokuya.demon.co.uk>

        PR c/3504
        * doc/extend.texi: Correct documentation of __alignof__.

2002-01-22  Zack Weinberg  <zack@codesourcery.com>

        * params.h: Rename arguments of DEFPARAM so that it will be
        recognized as a translation keyword.

2002-01-22  Aldy Hernandez  <aldyh@redhat.com>

        * extend.texi: Document altivec functions.
        Fix N-bit adjectives in X86 builtin documentation.

2002-01-22  Alexandre Oliva  <aoliva@redhat.com>

        * reload.c (reg_overlap_mentioned_for_reload_p): Handle PLUS and
        auto_inc_dec values.

2002-01-22  Richard Earnshaw  <rearnsha@arm.com>

        * config/netbsd-aout.h (SWITCH_TAKES_ARG): Remove bogus white space
        after backslash.
        (ASM_DECLARE_OBJECT_NAME): Add missing backslash before final line.

2002-01-22  Alexandre Oliva  <aoliva@redhat.com>

        * config/i386/freebsd-aout.h (ASM_QUAD): Undefine.

2002-01-22  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (split_small_symbolic_mem_operand): Use
        copy_insn not copy_rtx.

2002-01-23  Alan Modra  <amodra@bigpond.net.au>

        * combine.c (simplify_and_const_int): Don't trunc_int_for_mode
        "nonzero" as that might add "1" bits.  Ensure "constop" is
        properly sign extened.
        (force_to_mode): Tweak for sign extended constop.

2002-01-22  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (some_small_symbolic_mem_operand) Use
        for_each_rtx instead of assuming we're already looking at the MEM.
        (split_small_symbolic_mem_operand): Likewise.
        * config/alpha/alpha.h (PREDICATE_CODES): Update.
        * config/alpha/alpha.md (small symbolic memory splitters): Update.

2002-01-22  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (divmodsi_internal_er): Generate lituse
        sequence number for the literal.
        (divmoddi_internal_er): Likewise.

2002-01-22  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        PR java/4972
        * aclocal.m4 (AM_ICONV): Put linking flags for libiconv
        in LIBICONV variable.
        * configure: Regenerated.

2002-01-22  Krister Walfridsson  <cato@df.lth.se>

        * dependence.c (build_def_use): Remove array_idx.

        * dwarfout.c (last_filename): Remove.
        (output_compile_unit_die): Remove last_filename.

2002-01-22  Roger Sayle  <roger@eyesopen.com>
            Richard Henderson  <rth@redhat.com>

        PR opt/3640
        * fold-const.c (fold): Optimize unsigned comparisons against
        UINT_MAX (and similar unsigned constants).

2002-01-22  Janis Johnson  <janis187@us.ibm.com>

        * Makefile.in (loop.o): Depend on OPTABS_H.
        * loop.c (emit_prefetch_instructions): Check the prefetch operand
        against the predicate.

        PR target/5379
        * config/i386/i386.md (prefetch_sse): Specify "p" as a constraint
        for the address operand.

2002-01-22  Richard Henderson  <rth@redhat.com>

        * config/alpha/freebsd.h (FUNCTION_PROFILER): Remove.

2002-01-22  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        PR other/5450
        * config/i386/sysv4.h (CPP_SPEC): Define, and add CPU
        preprocessor flags.

2002-01-22  Jason Thorpe  <thorpej@wasabisystems.com>

        * config.gcc (x86_64-*-netbsd*): New target.
        * config/i386/netbsd64.h: New file.

2002-01-22  Aldy Hernandez  <aldyh@redhat.com>

        * regrename.c (kill_value): Fix typo.

2002-01-22  Aldy Hernandez  <aldyh@redhat.com>

        * doc/tm.texi: Remove STARTING_FRAME_PHASE.

        * config/rs6000/rs6000.h: Same.

        * function.c (instantiate_virtual_regs): Remove
        STARTING_FRAME_PHASE.
        (assign_stack_local_1): Same.
        Calculate frame phase.

2002-01-22  Nick Clifton  <nickc@redhat.com>

        * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Move 'regno'
        variable declaration to outer scope in order to simplify
        future extensions.
        (HARD_REGNO_MODE_OK): Replace macro body with a with a call to
        arm_hard_regno_mode_ok.
        * config/arm/arm-protos.h: Add a prototype for
        arm_hard_regno_mode_ok.
        * config/arm/arm.c (soft_df_operand): Remove now redundant
        check for DImode values using IP_REGNUM.
        (nonimmediate_soft_df_operand): Remove now redundant check for
        DImode values using IP_REGNUM.
        (arm_hard_regno_mode_ok): New function. New check: make sure
        that DImode values are not stored in IP_REGNUM.

        * config/arm/arm.c (arm_expand_prologue): Replace REG_MAYBE_DEAD
        note with a USE.
        (thumb_expand_prologue): Replace REG_MAYBE_DEAD note with a USE.

2002-01-22  Jason Merrill  <jason@redhat.com>

        * c-semantics.c (genrtl_compound_stmt): Only check nesting
        consistency if this COMPOUND_STMT is scoped.

2002-01-22  Kazu Hirata  <kazu@hxi.com>

        * predict.c: Fix formatting.
        * print-tree.c: Likewise.
        * protoize.c: Likewise.
        * real.h: Likewise.
        * rtl.h: Likewise.
        * sbitmap.h: Likewise.
        * scan.c: Likewise.
        * sched-deps.c: Likewise.
        * sched-vis.c: Likewise.
        * sdbout.c: Likewise.
        * sibcall.c: Likewise.
        * ssa.c: Likewise.
        * ssa-ccp.c: Likewise.
        * ssa-dce.c: Likewise.
        * stmt.c: Likewise.
        * stor-layout.c: Likewise.
        * system.h: Likewise.

Tue Jan 22 06:26:33 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * tree.c (int_fits_type_p): If bounds of a subtype are variable, see
        if fits in bounds of base type.

        * dwarf2out.c (equate_decl_number_to_die): Add "int" to decls.
        (loc_descriptor_from_tree, case CALL_EXPR, case ADDR_EXPR): New.
        (add_bound_info, default): If can't find a context, make a
        SAVE_EXPR.
        (dwarf2out_finish): Check for SAVE_EXPR in node->created_for.

2002-01-22  Hans-Peter Nilsson  <hp@axis.com>

        * c-typeck.c (parser_build_binary_op): If result from
        build_binary_op is ERROR_MARK just return error_mark_node without
        further processing.

2002-01-21  Jason Thorpe  <thorpej@wasabisystems.com>

        * config/netbsd.h (TARGET_HAS_F_SETLKW): define.
        Split a.out-specific bits into...
        * config/netbsd-aout.h: ...this.
        * config/netbsd-elf.h: New file.
        * config/alpha/netbsd-elf.h: Remove.
        * config/alpha/netbsd.h: Rewrite for a NetBSD/alpha ELF target.
        * config/i386/netbsd-elf.h (LIB_SPEC): Remove.
        (STARTFILE_SPEC): Remove redundant definition.
        (ENDFILE_SPEC): Likewise.
        (LINK_SPEC): Likewise.
        (CPP_SPEC): Likewise.
        (ASM_SPEC): Likewise.
        (LIB_SPEC): Likewise.
        (SWITCH_TAKES_ARG): Likewise.
        (TARGET_MEM_FUNCTIONS): Likewise.
        (CPP_PREDEFINES): Redefine.
        (ASM_FINAL_SPEC): Remove redefinition.
        (ASM_COMMENT_START): Redefine.
        (FUNCTION_PROFILER): Define.
        (TARGET_VERSION): Redefine.
        Comment and formatting cleanup.
        * config/i386/netbsd.h: Include <netbsd-aout.h>.
        * config/m68k/netbsd.h: Include <netbsd-aout.h>.
        * config/mips/netbsd.h: Rewrite for NetBSD/mips ELF target,
        big- or little-endian.
        * config/ns32k/netbsd.h: Include <netbsd-aout.h>.
        * config.gcc (*-*-netbsd*): Add definitions common to all
        NetBSD configs.
        (alpha*-*-netbsd*): Remove redundant xm_defines, gas, and
        gnu_ld definitions.  Add netbsd-elf.h to and remove
        alpha/netbsd-elf.h from tm_file.  Remove alpha/t-crtfm from
        tmake_file, and don't lose previous tmake_file contents.
        (arm*-*-netbsd*): Add netbsd-aout.h to tm_file.
        (i[34567]86-*-netbsdelf*): Remove redundant xm_defines, gas, and
        gnu_ld definitions.  Add netbsd-elf.h to tm_file.
        (mips-dec-netbsd*): Remove as alias for mipsel-*-netbsd*.
        (mipsel-*-netbsd*): Rename this to...
        (mips*-*-netbsd*): ...this.  Add elfos.h to tm_file.  Add
        mips/little.h to tm_file for mips*el-*.
        (powerpc-*-netbsd*): Remove redundant xm_defines definition.
        (sparc-*-netbsd*): Add netbsd-aout.h to tm_file.
        (vax-*-netbsd*): Add netbsd-aout.h to tm_file.

2002-01-21  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa-protos.h (reg_before_reload_operand): New function prototype.
        * pa.c (reg_before_reload_operand): New function implementation.
        * pa.md (decrement_and_branch_until_zero, movb): Use it.  Change "!*m"
        contraints to "*m".

2002-01-21  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * combine.c (simplify_and_const_int): Properly sign-extend CONSTOP.

2002-01-21  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa64-hpux.h (MD_EXEC_PREFIX): Set to "/usr/ccs/bin".
        (MD_STARTFILE_PREFIX): Set to "/usr/ccs/lib/pa20_64/".
        (MD_STARTFILE_PREFIX_1): Set to "/opt/langtools/lib/pa20_64/".
        (EH_FRAME_IN_DATA_SECTION): Define and update comment on init sections.
        (ENDFILE_SPEC): Undefine.
        (STARTFILE_SPEC): Redefine for PA.

2002-01-21  Franz Sirl  <Franz.Sirl-kernel@lauterbach.com>

        * config/rs6000/t-ppccomm (CRTSTUFF_T_CFLAGS_S): Re-add -fPIC.

2002-01-21  Daniel Jacobowitz  <drow@mvista.com>

        * config.gcc: Add entries to supported PowerPC --with-cpu
        types.

2002-01-21  Jakub Jelinek  <jakub@redhat.com>

        * config/i386/i386.c (ix86_function_arg_regno_p): Never return
        true for 64-bit mode only SSE registers in 32-bit mode.

2002-01-21  Kazu Hirata  <kazu@hxi.com>

        * unwind-dw2.c: Fix formatting.
        * unwind-dw2-fde.c: Likewise.
        * unwind-dw2-fde.h: Likewise.
        * unwind-pe.h: Likewise.
        * varasm.c: Likewise.
        * varray.h: Likewise.

2002-01-21  Hans-Peter Nilsson  <hp@bitrange.com>

        Remove workaround for register stack overwrite bug in mmix.
        * config/mmix/mmix.c (mmix_target_asm_function_prologue): Remove
        support for TARGET_REG_STACK_FILL_BUG.
        * config/mmix/mmix.h: Remove member has_call_without_parameters.
        (TARGET_MASK_REG_STACK_FILL_BUG, TARGET_REG_STACK_FILL_BUG):
        Delete.
        (TARGET_DEFAULT): Remove TARGET_MASK_REG_STACK_FILL_BUG.
        (TARGET_SWITCHES): Remove -mreg-stack-fill-bug-workaround and
        -mno-reg-stack-fill-bug-workaround.
        * config/mmix/mmix.md ("call", "call_value"): Don't set struct
        machine member has_call_without_parameters.
        * doc/invoke.texi (Option Summary) <MMIX Options>: Remove
        -mreg-stack-fill-bug-workaround and
        -mno-reg-stack-fill-bug-workaround.
        (MMIX Options): Ditto.

2002-01-21  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (function_arg): Replace 0 with NULL_RTX
        as appropriate.
        Remove redundant code.

2002-01-21  Joseph S. Myers  <jsm28@cam.ac.uk>

        * config/alpha/alpha.h, config/arc/arc.h, config/avr/avr.h,
        config/c4x/c4x.h, config/d30v/d30v.h, config/dsp16xx/dsp16xx.h,
        config/fr30/fr30.h, config/ia64/ia64.h, config/m68hc11/m68hc11.h,
        config/mips/mips.h, config/rs6000/rs6000.h, config/sparc/sparc.h,
        config/stormy16/stormy16.h, config/v850/v850.h: Remove commented
        out target macro definitions and non-target-specific comments
        mostly taken from old versions of the manual.

2002-01-20  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h: Fix comment formatting.
        * config/ia64/aix.h: Likewise.
        * config/ia64/ia64-protos.h: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/ia64/ia64.h: Likewise.
        * config/ia64/ia64intrin.h: Likewise.
        * config/ia64/linux.h: Likewise.
        * config/ia64/unwind-aix.c: Likewise.
        * config/ia64/unwind-ia64.c: Likewise.

2002-01-20  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c: Revise comments about shift code.

2002-01-20  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (function_arg): Update a comment.

2002-01-20  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md: Update the comments at the beginning
        of the file.

2002-01-20  Kazu Hirata  <kazu@hxi.com>

        * config/i370/i370.c: Fix comment formatting.
        * config/i370/i370.h: Likewise.
        * config/i370/i370.md: Likewise.
        * config/i370/linux.h: Likewise.

Sun Jan 20 18:40:14 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * reg-stack.c (subst_stack_regs): Properly check for deleted insn.

        * dwarf2out.c (loc_descriptor_from_tree): Add TRUTH_*_EXPR cases.
        (gen_struct_or_union_type_die): Don't SIGSEGV if no TYPE_STUB_DECL
        in incomplete case.

2002-01-20  Graham Stott  <grahams@redhat.com>

        * cfgloop.c (flow_loop_preheader_scan): Fix typo.

2002-01-19  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * config.gcc (hppa*64*-*-hpux11*): Fix tmake_file.

2002-01-19  Tom Rix  <trix@redhat.com>

        * config/rs6000/rs6000.md: Fix DF split for 64 bit hosts.

2002-01-18  Aldy Hernandez  <aldyh@redhat.com>

        * doc/tm.texi (STARTING_FRAME_PHASE): Document.

        * function.c (assign_stack_local_1): Adjust x_frame_offset with
        STARTING_FRAME_PHASE.
        (STARTING_FRAME_PHASE): New.
        (instantiate_virtual_regs): Check saneness of
        STARTING_FRAME_PHASE.

        * config/rs6000/rs6000.h (STARTING_FRAME_PHASE): New.

2002-01-19  Alexandre Oliva  <aoliva@redhat.com>

        * config/sh/sh.md (movdf_i4 split): Fix alter_subreg calls.

2002-01-18  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * doc/install.texi (hppa*-hp-hpux11): Clarify that GCC 2.95.x cannot
        be used for bootstrapping GCC 3.0.

2002-01-18  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md: Fix an insn length.

2002-01-18  Kazu Hirata  <kazu@hxi.com>

        * bitmap.h: Fix comment formatting.
        * combine.c: Likewise.
        * cppfiles.c: Likewise.
        * c-pragma.h: Likewise.
        * c-typeck.c: Likewise.
        * df.c: Likewise.
        * dwarf2out.c: Likewise.
        * function.c: Likewise.
        * gcc.c: Likewise.
        * genattrtab.c: Likewise.
        * gthr-win32.h: Likewise.
        * haifa-sched.c: Likewise.
        * predict.c: Likewise.
        * rtlanal.c: Likewise.
        * rtl.h: Likewise.
        * unwind-dw2-fde.h: Likewise.
        * unwind-pe.h: Likewise.
        * vmsdbgout.c: Likewise.

Thu Jan 17 15:28:26 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * attribs.c (decl_attributes): Clear ATTR_FLAG_TYPE_IN_PLACE
        if type_required and passed decl.

2002-01-17  Aldy Hernandez  <aldyh@redhat.com>

        * config.gcc (cpu_type): Include altivec.h in powerpc
        extra_headers.
        Same for darwin.

        * config/rs6000/altivec.h: New.

2002-01-17  David Edelsohn  <edelsohn@gnu.org>

        * doc/install.texi (*-ibm-aix*): Update assembler and exception
        handling information.
        * doc/trouble.texi (Interoperation): Add libstdc++ information
        for AIX.
        (Misunderstandings): Add template instantiation and static template
        member information for AIX.

2002-01-17  Jason Merrill  <jason@redhat.com>

        * dbxout.c (dbxout_type): Support const and volatile.

        * except.c (add_partial_entry): Remove backwards compatibility code.
        (end_protect_partials): Likewise.

2002-01-17  Jakub Jelinek  <jakub@redhat.com>

        * config/ia64/ia64.md (prologue_use): New.
        * config/ia64/ia64.c (ia64_expand_prologue): Use
        gen_prologue_use instead of gen_rtx_USE.
        (group_barrier_needed_p): Handle CODE_FOR_prologue_use the same way
        as CODE_FOR_pred_rel_mutex.
        (ia64_sched_reorder2): Likewise.

2002-01-16  Eric Christopher  <echristo@redhat.com>

        * config/mips/r3900.h: Reformat.
        (SUBTARGET_CPP_SIZE_SPEC): Remove.
        * config/mips/isa3264.h (SUBTARGET_CPP_SIZE_SPEC): Ditto.
        * config/mips/mips.h (ABI_GAS_ASM_SPEC): Default to "".
        (SUBTARGET_CPP_SIZE_SPEC): Rewrite.
        * config/mips/t-elf: Remove mips3 multilib.

2002-01-16  H.J. Lu <hjl@gnu.org>

        * config/mips/linux.h: Include "mips/abi64.h".

2002-01-16  H.J. Lu <hjl@gnu.org>

        * config/mips/t-linux: New.

        * config.gcc: Add mips/t-linux to tmake_file for mips*-*-linux*.

        * config/mips/linux.h: Don't include "gofast.h".
        (INIT_SUBTARGET_OPTABS): Removed.

2002-01-16  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Replace emit_a_shift with
        output_a_shift.
        * config/h8300/h8300.c: Likewise.
        * config/h8300/h8300.md: Likewise.

2002-01-16  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (pushqi1_h8300): Use a tab instead of
        spaces after an opcode name.
        (pushqi1_h8300hs): Likewise.
        (pushhi1_h8300hs): Likewise.

2002-01-16  Kazu Hirata  <kazu@hxi.com>

        * doc/extend.texi: Replace "option" with "attribute"
        appropriately.

2002-01-16  Jakub Jelinek  <jakub@redhat.com>

        * config/alpha/alpha.c (some_small_symbolic_mem_operand): Look into
        (and:DI () (const_int -8)).
        (split_small_symbolic_mem_operand): Split
        (mem (and:DI () (const_int -8)).

2002-01-16  Jakub Jelinek  <jakub@redhat.com>

        PR target/5309:
        * config/sparc/sparc.c (ultrasparc_adjust_cost): Handle TYPE_IDIV the
        same way as TYPE_IMUL.
        (ultrasparc_sched_reorder): Likewise.
        * config/sparc/sparc.md (type): Add comment to update
        ultrasparc_sched_reorder when making changes.

2002-01-16  Kazu Hirata  <kazu@hxi.com>

        * doc/invoke.texi: Change the dump file name of block
        reordering pass from 28.bbro to 29.bbro.
        Mention -dk option.

Wed Jan 16 17:54:22 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (minsf splitter): Fix pasto.

2002-01-16  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.c (arm_expand_prologue): Add REG_MAYBE_DEAD note
        to frame pointer initialisation instruction.
        (thumb_expand_prologue): Add REG_MAYBE_DEAD note to frame pointer
        initialisation instruction.
        (soft_df_operand): Do not accept the IP register.
        (nonimmediate_soft_df_operand): Do not accept the IP register.

2002-01-16  Jakub Jelinek  <jakub@redhat.com>

        PR target/5357:
        * config/sparc/sparc.c (sparc_override_options): Avoid MASK_V9 and
        MASK_V8 being both set.

2002-01-16  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_emit_prologue): Do not emit USE
        insn for GOT register; add REG_MAYBE_DEAD notes instead.
        config/s390/s390.md (call, call_value): Add GOT register to
        CALL_INSN_FUNCTION_USAGE where needed.
        (call_exp, call_value_exp): New.

2002-01-16  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.c: General formatting tidy up.

2002-01-16  Graham Stott  <grahams@redhat.com>

        * calls.c (try_to_integrate): Use "(size_t)" intermediate
        cast and when casting an integer literal to "rtx" pointer.
        (expand_call): Likewise.
        * flow.c (try_pre_increment): Likewise.
        (find_use_as_address): Likewise.
        * integrate.c (expand_iline_function): Likewise.
        * regmove.c (try_auto_increment): Likewise.

2002-01-16  Graham Stott  <grahams@redhat.com>

        * sched-rgn.c (passed): Use sbitmap_free.
        (header): Likewise.
        (inner): Likewise.
        (in_queue): Likewise.
        (in_stack): Likewise.

2002-01-15  Eric Christopher  <echristo@redhat.com>

        * flow.c (propagate_one_insn): Change to use fatal_insn.

2002-01-15  Kazu Hirata  <kazu@hxi.com>

        * expmed.c (extract_fixed_bit_field): Remove unused code.
        * system.h: Poison SLOW_ZERO_EXTEND.
        * doc/tm.texi: Remove.
        * config/1750a/1750a.h (SLOW_ZERO_EXTEND): Remove.
        * config/arm/arm.h: Likewise.
        * config/avr/avr.h: Likewise.
        * config/clipper/clipper.h: Likewise.
        * config/convex/convex.h: Likewise.
        * config/d30v/d30v.h: Likewise.
        * config/dsp16xx/dsp16xx.h: Likewise.
        * config/elxsi/elxsi.h: Likewise.
        * config/fr30/fr30.h: Likewise.
        * config/h8300/h8300.h: Likewise.
        * config/i370/i370.h: Likewise.
        * config/i386/i386.h: Likewise.
        * config/m68k/m68k.h: Likewise.
        * config/mips/mips.h: Likewise.
        * config/ns32k/ns32k.h: Likewise.
        * config/pdp11/pdp11.h: Likewise.
        * config/pj/pj.h: Likewise.
        * config/s390/s390.h: Likewise.
        * config/sh/sh.h: Likewise.
        * config/stormy16/stormy16.h: Likewise.
        * config/v850/v850.h: Likewise.
        * config/vax/vax.h: Likewise.
        * config/we32k/we32k.h: Likewise.

2002-01-15  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.md (altivec_stvx): Add parallels to stvx.
        (altivec_lvsl): Change constraint to b.
        (altivec_lvsr): Same.
        (altivec_lvebx): Same.
        (altivec_lvehx): Same.
        (altivec_lvewx): Same.
        (altivec_lvxl): Same.
        (altivec_lvx): Same.
        (altivec_stvx): Add parallel.
        (altivec_stvxl): Same.
        (altivec_stvehx): Same.
        (altivec_stvebx): Same.
        (altivec_stvebx): Same.

2002-01-15  Aldy Hernandez  <aldyh@redhat.com>

        * config.gcc: Change altivec.h to altivec-defs.h.

        * config/rs6000/altivec.h: Delete.

        * config/rs6000/altivec-defs.h: Add.

2002-01-15  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * vax.c (vax_rtx_cost): Return MAX_COST for unsupported MULT, UDIV
        and UMOD modes.

        * vax.h (INDEX_TERM_P): Restrict indexing to modes which have a size
        less than or equal to eight bytes.

        * vax.md (andsi3): Remove constraints and change SET destination
        operand type to nonimmediate_operand.
        (andhi3, andqi3): Likewise.  Don't clear high order bits of operand 1
        when it is a CONST_INT.

2002-01-15  Jason Merrill  <jason@redhat.com>

        * c-common.def (FILE_STMT): New code.
        * c-common.c (statement_code_p): It's a statement.
        * c-common.h (stmt_tree_s): Add x_last_filename.
        (FILE_STMT_FILENAME_NODE, FILE_STMT_FILENAME): New macros.
        (last_expr_filename): New macro.
        * c-semantics.c (begin_stmt_tree): Initialize it.
        (add_stmt): If the filename changed, also insert a
        FILE_STMT.
        (expand_stmt): Handle seeing one.

2002-01-15  Eric Christopher  <echristo@redhat.com>

        * flow.c (propagate_one_insn): Add error message and print out
        insn for debugging.

2002-01-15  Joseph S. Myers  <jsm28@cam.ac.uk>

        * system.h (ASM_IDENTIFY_GCC, STDC_VALUE, TRAMPOLINE_ALIGN,
        ASM_IDENTIFY_GCC_AFTER_SOURCE): Poison.
        * config/pdp11/pdp11.h (TRAMPOLINE_ALIGN): Rename to
        TRAMPOLINE_ALIGNMENT.
        * config/arm/arm.h, config/mcore/mcore.h: Likewise.  Change value
        to be in bits.
        * config/i386/cygwin.h (PCC_BITFIELDS_TYPE_MATTERS): Rename to
        PCC_BITFIELD_TYPE_MATTERS.
        * config/interix.h (STDC_VALUE): Remove.  Use
        STDC_0_IN_SYSTEM_HEADERS.
        * config/darwin.h (ASM_IDENTIFY_GCC), config/dsp16xx/dsp16xx.h
        (ASM_IDENTIFY_GCC), config/stormy16/stormy16.h (ASM_IDENTIFY_GCC,
        ASM_IDENTIFY_GCC_AFTER_SOURCE): Remove.

2002-01-15  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * doc/install.texi (hppa*-hp-hpux11): --enable-threads does
        not work on this platform currently.

2002-01-15  Joseph S. Myers  <jsm28@cam.ac.uk>

        * c-typeck.c (build_unary_op): Don't wrap msgid argument of
        readonly_warning in _().

2002-01-15  Douglas B Rupp  <rupp@gnat.com>

        * gcc.c (delete_if_ordinary): Backout previous change.

2002-01-15  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (print_operand): Remove support for
        unused operand characters.

        * read-rtl.c: Fix formatting.
        * real.c: Likewise.
        * recog.c: Likewise.
        * regclass.c: Likewise.
        * regmove.c: Likewise.
        * reg-stack.c: Likewise.
        * reload1.c: Likewise.
        * rtlanal.c: Likewise.

2002-01-15  Kazu Hirata  <kazu@hxi.com>

        * config/i386/i386.c: Fix formatting.

2002-01-15  Jakub Jelinek  <jakub@redhat.com>

        * c-typeck.c (process_init_element): Don't save_expr
        COMPOUND_LITERAL_EXPR if just its initializer will be used.

2002-01-15  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Do not
        emit optional traceback table if optimize_size or TARGET_ELF.
        * config/rs6000/rs6000.md (prefetch): New.

2002-01-15  Andreas Jaeger  <aj@suse.de>

        * config.gcc (x86_64-*-*): Install mmintrin.h and xmmintrin.h.

2002-01-15  Kazu Hirata  <kazu@hxi.com>

        * mips-tfile.c: Fix formatting.

Tue Jan 15 00:56:11 CET 2002  Jan Hubicka  <jh@suse.cz>

        * unroll.c (final_reg_note_copy): Fix previous commit.

2002-01-14  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300-protos.h: Remove the prototype for
        eq_operator.
        * config/h8300/h8300.c (eq_operator): Remove.

2002-01-14  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.md (prefetch): Tidy.
        (prefetch_3dnow): Fix locality operand.

2002-01-14  Richard Henderson  <rth@redhat.com>

        * config/mips/mips.h (HI_AND_FP_REGS): New register class.
        (CLASS_CANNOT_CHANGE_MODE): Disallow HI in little-endian mode.

2002-01-14  Hans-Peter Nilsson  <hp@bitrange.com>

        * reload1.c (reload_combine): Pass reg_sum replacement through
        copy_rtx in loop performing multiple changes.

2002-01-14  Jakub Jelinek  <jakub@redhat.com>

        * except.c (remove_unreachable_regions): New.
        (free_eh_status): Clear exception_handler_labels.
        (convert_from_eh_region_ranges): Call remove_unreachable_regions.
        (find_exception_handler_labels): Don't add the same label more than
        once.
        (remove_exception_handler_label): Don't die if
        find_exception_handler_labels hasn't been called for the current
        function yet.

Mon Jan 14 21:26:13 CET 2002  Jan Hubicka  <jh@suse.cz>

        * toplev.c (rest_of_compilation): Rebuild jump labels after
        gcse.

2002-01-14  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/extend.texi: Move documentation of X86 built-in functions
        here.
        * doc/invoke.texi: From here.
        * doc/sourcebuild.texi: Document location of documentation for
        machine built-in functions.

2002-01-13  Christopher Faylor  <cgf@redhat.com>

        * cppfiles.c (TEST_THRESHOLD): New macro.
        (SHOULD_MMAP): Ditto.
        (read_include_file): Use SHOULD_MMAP macro to decide when mmap should
        be used.

Mon Jan 14 20:23:34 CET 2002  Jan Hubicka  <jh@suse.cz>

        * unroll.c (final_reg_note_copy): Properly handle
        REG_LABEL
        (unroll_loops): Fix LOOP_CONDITION heuristics.

2002-01-14  Geoffrey Keating  <geoffk@redhat.com>

        * doc/invoke.texi (Xstormy16 Options): Add xstormy16 option.
        * doc/md.texi (Machine Constraints): Use @minus{} where appropriate.

Mon Jan 14 20:18:19 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (try_forward_edges): Avoid infinite loop at infinite
        threaded loop.

2002-01-14  Tom Rix  <trix@redhat.com>

        * config/rs6000/rs6000.md: Fix typo with sradi.

2002-01-14  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.md (movstrdix_64, movstrsix_31, movstrdi_64,
        movstrsi_31, clrstrsi_64, clrstrsi_31): Improve RTL templates.
        (clrstrdi, clrstrsi): Adapt callers.

        (extendsidi2, zero_extendsidi2): Remove no-conflict blocks.

        (movti splitter): Never use register 0 as base register.

2002-01-14  Hartmut Penner  <hpenner@de.ibm.com>

        * combine.c (simplify_shift_const): Always generate new rtx
        for shift expression instead of reusing given expression.

Mon Jan 14 07:08:55 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * config/alpha/alpha.c (alpha_expand_mov): Don't call
        alpha_legitimize_address unless mode is Pmode.

2002-01-13  Geoffrey Keating  <geoffk@redhat.com>

        * doc/md.texi (Modifiers): Document the '*' constraint for the
        user.

        * doc/md.texi (Machine Constraints): Add constraints for xstormy16.
        * doc/extend.texi (Function Attributes): 'interrupt' is valid
        for xstormy16 too.

2002-01-13  Richard Henderson  <rth@redhat.com>

        * reload.c (find_reloads): Use a hard reg destination as reload reg
        for an input reload of the source.

2002-01-13  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/install.texi (Binaries): Make link to ftp.writtenword.com
        more generic.

Sun Jan 13 07:23:01 2002  Douglas B Rupp  <rupp@gnat.com>

        * Makefile.in (LIB2FUNCS): Split into LIB2FUNCS_1 and LIB2FUNCS_2.
        * mklibgcc.in (LIB2FUNCS): Split into LIB2FUNCS_1 and LIB2FUNCS_2.

        * config/alpha/x-vms (USE_COLLECT2): Set to empty.

Sun Jan 13 06:55:31 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * dwarf2out.c (mem_loc_descriptor, case ADDRESSOF): New case.

2002-01-12  Tom Rix  <trix@redhat.com>

        * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Use ior for
        TARGET_POWERPC64.

2002-01-12  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (bdesc_2arg): Mark psadbw MASK_3DNOW_A.

        * doc/invoke.texi: Update Alpha options.

        * doc/invoke.texi: Update i386 built-in function lists.

Sat Jan 12 17:38:11 CET 2002  Jan Hubicka  <jh@suse.cz>

        * unroll.c (final_reg_note_copy): Avoid crash on REG_LABEL note
        referencing outside.

Sat Jan 12 08:54:51 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * diagnostic.c (warn_deprecated_use): Rework to lower indentation.
        * expr.c (emit_move_insn_1): Remove warning, use HOST_WIDE_INT for
        offsets, and change line folding.
        * optabs.c (expand_binop): Remove warnings.
        * sdbout.c (sdbout_record_type_name): Constify NAME to avoid warning.

2002-01-12  Graham Stott <grahams@redhat.com>

        * attribs.c (handle_deprecated_attribute): constify WHAT.
        * diagnostic.c (warn_deprecated_use): Add braces, fixes
        dangling else warning and constify WHAT.
        * except.h (struct function, struct inline_remap): Move
        struct tag forward defs before all prototypes.
        (duplicate_eh_regions): Whitespace.

2002-01-12  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
        MODE_BASE_REG_CLASS.
        (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Use MODE_BASE_REG_CLASS.

2002-01-12  Richard Henderson  <rth@redhat.com>

        * config/i386/i386.c (override_options): If SSE, enable sse prefetch.
        (ix86_expand_vector_move): New.
        (bdesc_2arg): Remove andps, andnps, orps, xorps.
        (ix86_init_mmx_sse_builtins): Make static.  Remove composite builtins.
        Remove old prefetch builtins.  Special case the logicals removed above.
        (ix86_expand_builtin): Likewise.
        (safe_vector_operand): Use V4SFmode, not TImode.
        (ix86_expand_store_builtin): Remove shuffle arg.  Update callers.
        (ix86_expand_timode_binop_builtin): New.
        * config/i386/i386-protos.h: Update.
        * config/i386/i386.h (enum ix86_builtins): Update.
        * config/i386/i386.md: Correct predicates on MMX/SSE patterns.
        Use ix86_expand_vector_move in vector move expanders.
        (movti_internal, movti_rex64): Add xorps alternative.
        (sse_clrv4sf): Rename and adjust from sse_clrti.
        (prefetch): Don't work so hard.
        (prefetch_sse, prefetch_3dnow): Use PREFETCH rtx, not UNSPEC.
        * config/i386/xmmintrin.h (__m128): Use V4SFmode.
        (_mm_getcsr, _mm_setcsr): Fix typo in builtin name.

2002-01-11  Richard Henderson  <rth@redhat.com>

        * config/i386/mmintrin.h: New file.
        * config/i386/xmmintrin.h: New file.
        * config.gcc (i?86-*-*): Add extra_headers.
        * simplify-rtx.c (simplify_unary_operation): Handle saturating
        truncation codes.
        (simplify_binary_operation): Handle saturating arithmetic codes.
        * config/i386/i386.c (ix86_expand_sse_comi): Return the full result,
        not the lowpart subreg.
        (ix86_expand_builtin): Return a TImode dummy register instead of 0
        on error.
        * config/i386/i386.md (mmx_clrdi): Override memory attribute.

2002-01-12  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * conflict.c (conflict_graph_compute): Free regsets when finished.
        * ssa.c (compute_coalesced_reg_partition): Likewise.

2002-01-12  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>

        * global.c (find_reg): Check for HARD_REGNO_CALL_PART_CLOBBERED
        every where we allocate a register.

2002-01-12  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * gcse.c (compute_pre_data, pre_gcse): Use sbitmap_free.
        * lcm.c (compute_earliest, compute_farthest): Likewise.

2002-01-11  Janis Johnson  <janis187@us.ibm.com>

        * expr.c (expand_assignment): Fix misuse of MEM_KEEP_ALIAS_SET.

2002-01-11  Janis Johnson  <janis187@us.ibm.com>

        * doc/rtl.texi (Insns): Fix 2 typos.

2002-01-11  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/invoke.texi: Avoid overfull hboxes.  Add summary of D30V
        options.  Use @table @gcctabopt for MMIX options.  Add index
        entries for MMIX options.  Start new paragraph with first
        heading of the machine-dependent options.

2002-01-11  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        PR other/5299
        * config/ns32k/ns32k.md: Fix spelling mistake of "than" in comments.
        * combine.c (force_to_mode): Same.
        * reload1.c (clear_reload_reg_in_use): Same.

2002-01-11  Nick Clifton  <nickc@cambridge.redhat.com>

        * config/arm/arm.c (arm_gen_constant): Correct test of 'remainder'
        and 'subtargets'.

2002-01-11  Andreas Jaeger  <aj@suse.de>,
            Brad Lucier <lucier@math.purdue.edu>

        * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Remove wrong
        mcpu.

Fri Jan 11 07:35:12 2002  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/vms.h: (MD_FALLBACK_FRAME_STATE_FOR): Fix errors.
        Protect with IN_LIBGCC.
        (LINK_EH_SPEC): Add required trailing space.

Fri Jan 11 09:25:05 2002  Nicola Pero  <n.pero@mi.flashnet.it>

        * c-tree.h: Move function declarations so that they are listed
        under the filename which contains them.
        (check_identifier, finish_decl_top_level,
        lookup_name_current_level_global, shadow_record_fields): Remove.

2002-01-11  Andreas Jaeger  <aj@suse.de>

        * config/i386/i386.h (CPP_CPUCOMMON_SPEC): Remove duplicated
        march.

2002-01-10  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (print_operand): Add 'J'.
        * config/alpha/alpha.md (call_osf_1_er, call_value_osf_1_er): Take a
        new operand with the sequence number for the lituse.  When splitting
        the insns, use gen_movdi_er_high_g and generate a sequence number.
        (gen_movdi_er_high_g): Print the sequence number if non-zero.

2002-01-10  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (altivec_init_builtins): Add support for
        lvebx, lvehx, lvewx, lvxl, lvx, stvx, stvebx, stvehx, stvewx,
        stvxl.
        (altivec_expand_builtin): Same.
        (altivec_expand_stv_builtin): New.

        * config/rs6000/rs6000.h (rs6000_builtins): Same.

        * config/rs6000/rs6000.md ("altivec_lvebx"): New.
        ("altivec_lvehx"): New.
        ("altivec_lvewx"): New.
        ("altivec_lvxl"): New.
        ("altivec_lvx"): New.
        ("altivec_stvx"): New.
        ("altivec_stvebx"): New.
        ("altivec_stvehx"): New.
        ("altivec_stvewx"): New.
        ("altivec_stvxl"): New.

2002-01-10  Richard Henderson  <rth@redhat.com>

        * cfgrtl.c (delete_insn): Assert insn hasn't been deleted yet.
        * reload1.c (delete_output_reload): Zap spill_reg_store.  Take
        care not to delete instructions twice.

2002-01-10  Zack Weinberg  <zack@codesourcery.com>

        * toplev.c: Don't declare environ (it's not used anywhere).
        * configure.in: Don't check for declaration of environ.
        * config/i386/xm-mingw32.h: Don't #define environ.
        * config.in, configure: Regenerate.

2002-01-10  Zack Weinberg  <zack@codesourcery.com>

        * configure.in: Set stage1_cflags for powerpc-*-darwin*.
        * configure: Regenerate.

        * config/interix.h: Set DO_GLOBAL_CTORS_BODY and
        DO_GLOBAL_DTORS_BODY here, not in xm-interix.h.
        * config/alpha/vms.h: Set INCLUDE_DEFAULTS here, not in
        alpha/xm-vms.h.
        * config/m68k/t-next: Set OTHER_FIXINCLUDES_DIRS and
        LIMITS_H_TEST here, not in m68k/x-next.
        * config/rs6000/beos.h: Set STANDARD_INCLUDE_DIR and
        SYSTEM_INCLUDE_DIR here, not in rs6000/xm-beos.h.

        * config/x-interix: Don't set RANLIB, RANLIB_TEST, SHELL,
        LIBGCC2_INCLUDES, or SYSTEM_HEADER_DIR.
        * config/alpha/x-vms: Don't set USE_COLLECT2.  Add comments.

        * config/i386/x-djgpp: Renamed i386/t-djgpp.
        * config/m88k/x-dolph: Renamed m88k/t-dolph.
        * config/m88k/x-texXD88: Renamed m88k/t-texXD88.
        * config/pa/x-pa-mpeix: Renamed pa/t-mpeix.  Update for
        replacement of quadlib.asm with quadlib.c.

        * config/x-interix3, config/xm-interix.h, config/i386/x-beos,
        config/i386/xm-osf1elf.h, config/rs6000/x-darwin,
        config/rs6000/xm-beos.h: Delete file.

        * config.gcc: Update to match above changes.

2002-01-10  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h: Fix comment typos.
        * config/h8300/h8300.md: Likewise.
        * config/h8300/lib1funcs.asm: Likewise.

2002-01-10  Dale Johannesen  <dalej@apple.com>

        PR optimization/5269
        * unroll.c (precondition_loop_p): Make *increment be the correct
        sign when n_iterations known, to avoid confusing caller.

2002-01-10  Kazu Hirata  <kazu@hxi.com>

        * doc/extend.texi (deprecated): Fix a typo.

Thu Jan 10 22:35:54 CET 2002  Jan Hubicka  <jh@suse.cz>

        * basic-block.h (update_br_prob_note): Declare.
        * cfgcleanup.c (try_simplify_condjump): Call update_br_prob_note.
        (try_forward_edges): Care negative frequencies and update note.
        (outgoing_edges_match): Tweek conditional merging heuristics.
        (try_crossjump_to_edge): use update_br_prob_note.
        * cfglayout.c (fixup_reorder_chain): Likewise.
        * cfrtl.c (update_br_prob_note): New.
        * ifcvt.c (dead_or_predicable): Call update_br_prob_note.

        * i386.c (ix86_decompose_address): Return -1 if address contains
        shift.
        (legitimate_address_p): Require ix86_decompose_address to return 1.

        * gcse.c (hash_scan_set): Use CONSTANT_INSN_P.
        (cprop_insn): Likewise.

2002-01-10  Kazu Hirata  <kazu@hxi.com>

        * toplev.c: Fix formatting.
        * tree.c: Likewise.
        * tree-dump.c: Likewise.
        * unroll.c: Likewise.
        * unwind-dw2.c: Likewise.
        * unwind-dw2-fde.c: Likewise.
        * unwind-dw2-fde-glibc.c: Likewise.
        * unwind-sjlj.c: Likewise.

2002-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/invoke.texi: Document PDP-11 options.

2002-01-10  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.h: Fix formatting.

2002-01-10  Ira Ruben   <ira@apple.com>

        Add __attribute__ ((deprecated)).
        * extend.texi: Document __attribute__ ((deprecated)).
        * invoke.texi: Document -Wno-deprecated-declarations.
        * testsuite/g++.dg/other/deprecated.C: New C++ test.
        * testsuite/gcc.dg/deprecated.c: New C test.
        * attribs.c (enum attrs): Declare handle_deprecated_attribute().
        (c_common_attribute_table): Add "deprecated" entry.
        (handle_deprecated_attribute): New function.
        * c-decl.c (deprecated_states): New enum.
        deprecated_state: State of "deprecated" handling.
        (start_decl): Set deprecated_state based on attributes.
        (grokdeclarator): Test for deprecated uses, propagate attribute.
        * c-typeck.c (build_component_ref): Test for deprecated fields.
        (build_external_ref): Test for deprecated primaries.
        * diagnostic.c (warn_deprecated_use) New function to issue
        warnings about __attribute__ ((depricated)) references.
        * flags.h (warn_deprecated_decl): Extern declared for
        -W[no-]deprecated-declarations option.
        * print-tree.c (print_node): Show deprecated flag status.
        * toplev.c (warn_deprecated_decl): Defined.
        (W_options): Added "deprecated-declaration".
        * toplev.h (warn_deprecated_use): Extern declared.
        * tree.h (struct tree_common): Define deprecated_flag.
        (TREE_DEPRECATED): New macro to access flag.
        * cp/call.c (build_call): Test for deprecated calls.
        * cp/class.c (add_implicitly_declared_members): Set global
        flag to tell grokdeclarator to not issue deprecated warnings.
        * cp/cp-tree.h: Add extern for adding_implicit_members.
        * cp/decl.c (deprecated_states): New enum.
        (start_decl): Set deprecated_state based on attributes.
        (grokdeclarator): Test for deprecated uses, propagate attribute.
        * cp/lex.c (do_identifier): Test for deprecated primaries.
        * cp/typeck.c (build_component_ref): Test for deprecated fields.

2002-01-10  Ira Ruben   <ira@apple.com>

        Fix to assign attributes to inline member functions.
        * cp/decl.c (start_method): Handle attrlist.

2002-01-10  Kazu Hirata  <kazu@hxi.com>

        * combine.c (expand_field_assignment): Use subreg_lsb().

2002-01-10  David Edelsohn  <edelsohn@gnu.org>

        * alias.c (find_base_value): Add cases for HIGH, PRE_INC, PRE_DEC,
        POST_INC, POST_DEC, PRE_MODIFY, and POST_MODIFY.
        (find_base_term): Add cases for TRUNCATE, PRE_MODIFY, and POST_MODIFY.
        Recurse for any operand of AND as long as constant is non-zero.

2002-01-10  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md: Remove constraints from expanders.

2002-01-10  Kazu Hirata  <kazu@hxi.com>

        * varasm.c: Fix formatting.
        * varray.c: Likewise.
        * vmsdbgout.c: Likewise.
        * xcoffout.c: Likewise.

Thu Jan 10 17:19:12 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (try_forward_edges): Properly initialize nthreaded_edges;
        update edge probabilities to match.

2002-01-10  Joseph S. Myers  <jsm28@cam.ac.uk>

        * Makefile.in ($(docdir)/gccint.info, gccint.dvi): Add additional
        dependencies.
        * doc/languages.texi, doc/sourcebuild.texi: New files.
        * doc/configfiles.texi: Make a subsubsection.  Update.
        * doc/configterms.texi: Add @node.  Remove warning that this isn't
        instructions for building GCC.
        * doc/makefile.texi: Make a subsection.
        * doc/gccint.texi: Update.

Thu Jan 10 16:39:58 CET 2002  Jan Hubicka  <jh@suse.cz>

        * i386.md (sse_mov?fcc_const0_?): Fix constraints.

Thu Jan 10 12:45:50 2002  Nicola Pero  <n.pero@mi.flashnet.it>

        * doc/cpp.texi: Document the __OBJC__ preprocessor macro.

Thu Jan 10 11:19:18 CET 2002  Jan Hubicka  <jh@suse.cz>

        * optabs.c (expand_fix): Look for wider integer modes first.

        * i386.md (mov?f): Avoid the fake const double trick for medium
        memory model.
        (min?f*/max?f*): Prohibit memory operands for i387 variant.
        (fop_df_4): Disable for SSE compilation.

2002-01-10  Graham Stott  <grahams@redhat.com>

        * dwarf2out.c (indirect_string_alloc, output_indirect_string):
        Move prototype into DWARF2_DEBUGGING_INFO conditional block.

2002-01-10  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (extendsidi2_fix): Penalize f/f alternative.

2002-01-10  Richard Henderson  <rth@redhat.com>

        * regrename.c (find_oldest_value_reg): Fix typo in mode change check.
        (copyprop_hardreg_forward_1): Likewise.  Use mode_change_ok.

2002-01-10  Kazu Hirata  <kazu@hxi.com>

        * combine.c (can_combine_p): Fix a comment typo.

2002-01-09  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (s-gencheck, s-options, s-specs): Handle an
        empty list correctly.  Change loop index $t to $f for
        consistency with rest of Makefile.

2002-01-08  Aldy Hernandez  <aldyh@redhat.com>

        * testuite/gcc.dg/altivec-4.c: Add test for mtvscr, dssall,
        mfvscr, dss, lvsl, lvsr, dstt, dstst, dststt, dst.

        * config/rs6000/rs6000.c (altivec_expand_builtin): Add support for
        mtvscr, dssall, mfvscr, dss, lvsl, lvsr, dstt, dst, dstst, dststt.
        (altivec_init_builtins): Same.
        (altivec_expand_unop_builtin): Return NULL_RTX on error.
        (altivec_expand_binop_builtin): Same.
        (altivec_expand_ternop_builtin): Same.
        (bdesc_dst): New.

        * config/rs6000/rs6000.md ("altivec_mtvscr"): New.
        ("altivec_vctuxs"): Fix typo.
        ("altivec_vnmsubfp"): Same.
        ("altivec_dssall"): New.
        ("altivec_mfvscr"): New.
        ("altivec_dss"): New.
        ("altivec_lvsl"): New.
        ("altivec_lvsr"): New.
        ("altivec_dstt"): New.
        ("altivec_dstst"): New.
        ("altivec_dststt"): New.
        ("altivec_dst"): New.

        * config/rs6000/rs6000.h (rs6000_builtins): Add mtvscr, dssall,
        mfvscr, dss, lvsl, lvsr, dstt, dstst, dststt, dst.

2002-01-09  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.md (prologue_mcount): Remove lituse_jsr reloc.

2002-01-10  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.c (mmix_asm_identify_gcc): Remove unused
        function.
        * config/mmix/mmix-protos.h (mmix_asm_identify_gcc): Don't
        prototype.
        * config/mmix/mmix.h (ASM_IDENTIFY_GCC): Remove unused macro.

2002-01-09  Kazu Hirata  <kazu@hxi.com>

        * read-rtl.c: Fix formatting.
        * real.c: Likewise.
        * regclass.c: Likewise.
        * regrename.c: Likewise.
        * reg-stack.c: Likewise.
        * reload1.c: Likewise.
        * reload.c: Likewise.
        * rtl.c: Likewise.

2002-01-09  Kazu Hirata  <kazu@hxi.com>

        * rtlanal.c (find_reg_fusage): Use XEXP instead of SET_DEST
        to extract items in the expr_list chain.

2002-01-09  Richard Henderson  <rth@redhat.com>

        * config/vax/vax.c (vax_rtx_cost): Never abort.

        * config/vax/vax.h (REAL_ARITHMETIC): Define.

2002-01-09  Jan Hubicka  <jh@suse.cz>

        * gcse.c (cprop_jump): Delete insn if simplified jump is no-op.

2002-01-09  Richard Henderson  <rth@redhat.com>

        * config/arm/arm.c (arm_gen_constant): Use trunc_int_for_mode.
        Unify code from various alternatives.

2002-01-09  Richard Henderson  <rth@redhat.com>

        * regrename.c (copy_value): Ignore the copy if the source register
        is present in the value chain with a narrower mode.

2002-01-09  Herman A.J. ten Brugge  <Haj.Ten.Brugge@net.HCC.nl>

        * real.c (c4xtoe, toc4x): Do some special conversion on long doubles
        for the c4x target. Also improve layout.

2002-01-09  Richard Henderson  <rth@redhat.com>

        * config/m32r/m32r.c (move_src_operand): Fix 32-bit int test.
        * config/m32r/m32r.md (and ior xor splitters): Swap operands
        to match insn patterns.

2002-01-09  Richard Henderson  <rth@redhat.com>

        * regrename.c (find_oldest_value_reg): Use gen_rtx_raw_REG.
        (copyprop_hardreg_forward_1): Likewise.

2002-01-09  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.md (decrement_and_branch_until_zero): Change predicate for
        operand 0 from register_operand to reg_or_nonsymb_mem_operand.

2002-01-09  Bryce McKinlay  <bryce@waitaki.otago.ac.nz>

        * ginclude/stddef.h: Define _BSD_WCHAR_T_DEFINED_ if _BSD_WCHAR_T_
        gets undefined. For Darwin.

2002-01-09  Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>

        * config/c4x/c4x.h: Use PUSH_ARGS and PUSH_ROUNDING for stack passing.

2002-01-09  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>

        * config/c4x/c4x/md: Remove extraneous constraints from define_splits.

2002-01-08  Richard Henderson  <rth@redhat.com>

        * regrename.c (copy_value): Ignore overlapping copies.

2002-01-08  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (alpha_split_conditional_move): Call copy_rtx
        as needed to avoid shared structure.

2002-01-08  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (get_shift_alg): Fix 15-bit LSHIFTRT on
        H8/300H and H8/S.

2002-01-08  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/tm.texi (EASY_DIV_EXPR, IMPLICIT_FIX_EXPR,
        LONGJMP_RESTORE_FROM_STACK, MAX_INT_TYPE_SIZE): Remove
        documentation of obsolete macros.
        * system.h: Poison these macros.
        * config/1750a/1750a.h, config/a29k/a29k.h, config/alpha/alpha.h,
        config/arc/arc.h, config/arm/arm.h, config/avr/avr.h,
        config/c4x/c4x.h, config/clipper/clipper.h,
        config/convex/convex.h, config/cris/cris.h, config/d30v/d30v.h,
        config/dsp16xx/dsp16xx.h, config/elxsi/elxsi.h,
        config/fr30/fr30.h, config/h8300/h8300.h, config/i370/i370.h,
        config/i386/i386.h, config/i860/i860.h, config/i960/i960.h,
        config/ia64/ia64.h, config/m32r/m32r.h, config/m68hc11/m68hc11.h,
        config/m68k/m68k.h, config/m88k/m88k.h, config/mcore/mcore.h,
        config/mips/mips.h, config/mmix/mmix.h, config/mn10200/mn10200.h,
        config/mn10300/mn10300.h, config/ns32k/ns32k.h, config/pa/pa.h,
        config/pdp11/pdp11.h, config/pj/pj.h, config/romp/romp.h,
        config/rs6000/rs6000.h, config/s390/s390.h, config/sh/sh.h,
        config/sparc/sparc.h, config/stormy16/stormy16.h,
        config/v850/v850.h, config/vax/vax.h, config/we32k/we32k.h: Remove
        definitions and commented out definitions of obsolete macros.
        * config/mips/iris5.h (MAX_WCHAR_TYPE_SIZE): Don't define in terms
        of MAX_INT_TYPE_SIZE.

2002-01-08  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/s390.c (s390_preferred_reload_class): Never
        return ADDR_REGS if it isn't a subset of the given class.
        * config/s390/s390.h (REGISTER_MOVE_COST): Penalize not just
        FP_REGS, but all superclasses as well.

        * config/s390/s390.c (s390_function_profiler): Fix thinko.

        * config/s390/s390.md (cmpdi_ccu_mem, cmpsi_ccu_mem,
        cmphi_ccu_mem, cmpqi_ccu_mem): First operand of compare
        must not be a const_int.

2002-01-08  Richard Henderson  <rth@redhat.com>

        * Makefile.in (toplev.o): Depend on options.h.
        (gcc.o): Depend on specs.h.

2002-01-08  Jakub Jelinek  <jakub@redhat.com>

        * expr.c (store_expr): Convert VOIDmode constants back to target's
        mode.

2002-01-08  Gerald Pfeifer  <pfeifer@dbai.tuwien.ac.at>

        * doc/invoke.texi: Markup gcc as @command.  Refer to
        http://gcc.gnu.org/onlinedocs/gcc/Contributors.html instead
        of http://gcc.gnu.org/thanks.html.

2002-01-08  Dale Johannesen  <dalej@apple.com>

        * config/rs6000/rs6000.md: Add missing int register
        target case to movdf_low.

2002-01-08  Zack Weinberg  <zack@codesourcery.com>

        * Makefile.in (cs-tconfig.h): Don't depend on $(CONFIG_H) or
        except.h.  Remove commands to define USING_SJLJ_EXCEPTIONS.
        (cppinit.o): Depend on except.h.
        (gencheck.h, options.h, specs.h, s-gencheck, s-options,
        s-specs): New rules.

        * configure.in: Don't AC_DEFINE_UNQUOTED PACKAGE or VERSION.
        Don't create specs.h/options.h/gencheck.h here.  Remove
        unnecessary variable settings from last argument of AC_OUTPUT.
        * config.in, configure: Regenerate.
        * intl.c: Hardcode package name as "gcc".

        * cppinit.c: Include except.h.
        (builtin_array): Define __USING_SJLJ_EXCEPTIONS__ when
        appropriate.
        * unwind-dw2.c, unwind-sjlj.c, config/ia64/unwind-ia64.c:
        Use #if(n)def __USING_SJLJ_EXCEPTIONS, not #if
        (!)USING_SJLJ_EXCEPTIONS.
        * doc/cpp.texi: Document __USING_SJLJ_EXCEPTIONS__.

2002-01-08  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/tm.texi (ASM_OUTPUT_EH_REGION_BEG, ASM_OUTPUT_EH_REGION_END,
        ASM_OUTPUT_LABELREF_AS_INT, DOESNT_NEED_UNWINDER, EH_TABLE_LOOKUP,
        OBJC_SELECTORS_WITHOUT_LABELS, OMIT_EH_TABLE): Remove
        documentation of obsolete macros.
        * system.h: Poison these macros.
        * config/d30v/d30v.h, config/ns32k/encore.h,
        config/stormy16/stormy16.h: Remove definitions and commented out
        definitions of obsolete macros.

Tue Jan  8 15:56:41 2002  Nicola Pero  <nicola@brainstorm.co.uk>

        * objc/objc-act.c (handle_class_ref): Mark the declaration of
        %sobjc_class_ref_%s as used - to prevent unwanted compiler
        warnings.

2002-01-08  Ulrich Weigand  <uweigand@de.ibm.com>

        * config/s390/linux.h (ASM_OUTPUT_LABELREF): Remove.
        * config/s390/s390.c (s390_emit_epilog): Add REG_FRAME_RELATED_EXPR
        to insn adjusting stack/frame pointer.
        * config/s390/s390.md (reload_la_64, reload_la_31): Do not
        accept operands that cause the insn to be non-splittable.

2002-01-08  Graham Stott  <grahams@redhat.com>

        * c-tree.h (C_TYPE_FIELDS_READONLY): Uppercase macro parameter.
        (C_TYPE_FIELDS_VOLATILE): Likewise.
        (C_TYPE_BEING_DEFINED): Likewise.
        (C_IS_RESERVED_WORD): Likewise.
        (C_TYPE_VARIABLE_SIZE): Likewise.
        (C_DECL_VARIABLE_SIZE): Likewise.
        (C_MISSING_PROTOTYPE_WARNED): Likewise.
        (C_SET_EXP_ORIGINAL_CODE): Likewise.
        (C_TYPEDEF_EXPLICITLY_SIGNED): Uppercase macro parameter and remove
        parenthesis.
        (C_DECL_ANTICIPATED): Likewise.
        (c_build_type_variant): Add parenthesis.

2002-01-08  Joseph S. Myers  <jsm28@cam.ac.uk>

        * gcc.c (option_map): Remove --version.
        (process_command): Handle -fversion following the GNU Coding
        Standards.  Partially addresses PR other/704.

2002-01-08  Graham Stott  <grahams@redhat.com>

        * combine.c (combine_instructions): Fix typo.

2002-01-08  Graham Stott  <grahams@redhat.com>

        * debug.h: Use "tree" and "rtx" throughout.

        * debug.c: Likewise.

2002-01-08  Nick Clifton  <nickc@cambridge.redhat.com>

        * dbxout.c (dbxout_symbol_location): If a symbol ref is in the
        constant pool, use the pool's version of the symbol instead.

2002-01-07  Richard Henderson  <rth@redhat.com>

        * regrename.c (find_oldest_value_reg): Ignore the value chain if
        the original register was copied in a mode with a fewer number of
        hard registers than the desired mode.
        (copyprop_hardreg_forward_1): Likewise.
        (debug_value_data): Fix loop test.
        * toplev.c (parse_options_and_default_flags): Reenable
        -fcprop-registers at -O1.

2002-01-07  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (bdesc_2arg): Add altivec predicates.
        (altivec_init_builtins): New node v4si_ftype_v16qi_v16qi.

        * config/rs6000/rs6000.h (rs6000_builtins): Add enums for altivec
        predicates.

        * config/rs6000/rs6000.md: Add altivec predicate patterns.

2002-01-07  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * pa.c (FUNC_BEGIN_PROLOG_LABEL, current_function_number): Define.
        (pa_output_function_prologue): Output local label at the beginning of
        the prologue when profiling.
        (hppa_profile_hook): Use the local label rather than the function label.
        * pa.h (PROFILE_BEFORE_PROLOGUE): Define.

2002-01-07  Aldy Hernandez  <aldyh@redhat.com>

        * config/rs6000/rs6000.c (print_operand): Remove extra space.
        (altivec_expand_unop_builtin): Fix thinko.
        (altivec_expand_binop_builtin): Same.
        (altivec_expand_ternop_builtin): Same.
        (altivec_expand_builtin): Same.

2002-01-07  Richard Henderson  <rth@redhat.com>

        * config/rs6000/xcoff.h (ASM_FILE_START): Reverted to profile_flag.

2002-01-07  Jason Merrill  <jason@redhat.com>

        * unwind-dw2.c (execute_cfa_program): Use < again.

2002-01-07  Jakub Jelinek  <jakub@redhat.com>

        * predict.c (combine_predictions_for_insn): Avoid division by zero.

2002-01-07  Jakub Jelinek  <jakub@redhat.com>

        * simplify-rtx.c (simplify_plus_minus): Bump n_ops for NOT.
        Don't allow -1 - x -> ~x simplifications in the first pass.

2002-01-07  Aldy Hernandez  <aldyh@redhat.com>

        * rs6000.c (altivec_expand_ternop_builtin): Don't die on invalid
        arguments.
        (altivec_expand_binop_builtin): Same.
        (altivec_expand_unop_builtin): Same.
        (print_operand): Fix typo.
        (bdesc_1arg): Add vupk* variants.

        * rs6000.h (rs6000_builtins): Add vupk* enums.

        * rs6000.md: Add altivec_vupk* variants.

2002-01-07  Joseph S. Myers  <jsm28@cam.ac.uk>

        * doc/gcc.texi, doc/gccint.texi, doc/cppinternals.texi,
        doc/install.texi, doc/invoke.texi, doc/rtl.texi: Update copyright
        and last update dates.

2002-01-07  Janis Johnson  <janis187@us.ibm.com>

        * doc/rtl.texi (Flags): Clean up documentation of RTL flags

2002-01-07  Marek Michalkiewicz  <marekm@amelek.gda.pl>

        * config/avr/avr.c (avr_mcu_types): Add new MCU types.
        * config/avr/avr.h (CPP_SPEC): Likewise.
        (LINK_SPEC): Likewise.
        (CRT_BINUTILS_SPECS): Likewise.
        * config/avr/t-avr (MULTILIB_MATCHES): Likewise.
        * doc/invoke.texi (AVR Options): Document them.

Mon Jan  7 11:59:34 CET 2002  Jan Hubicka  <jh@suse.cz>

        * unroll.c (copy_loop_body): Always properly update JUMP_LABEL and
        LABEL_NUSES.

2002-01-07  Graham Stott  <grahams@redhat.com>

        * config/i386/i386.h: Update copyright date.
        (HALF_PIC_PTR): Add parenthesis.
        (OPTIMIZATION_OPTIONS): Whitespace, add parenthesis and wrap.
        (CONSTANT_ALIGNMENT): Add parenthesis.
        (DATA_ALIGNMENT): Likewise.
        (LOCAL_ALIGNMENT): Likewise.
        (FUNCTION_ARG_BOUNDARY): Whitespace, add parenthesis and wrap.
        (IS_STACK_MODE): Uppercase macro parameter, add parenthesis and wrap.
        (CONDITIONAL_REGISTER_USAGE): Wrap in do {...} while (0).
        (HARD_REGNO_NREGS): Add paranethesis.
        (VALID_SSE_REG_MODE): Whitespace.
        (VALID_MMX_REG_MODE): Whitespace.
        (VALID_FP_MODE_P): Uppercase macros parameter and whitespace.
        (ix86_hard_regno_mode_ok): Add parenthesis.
        (HARD_REGNO_CALLER_SAVE_MODE): Whitespace.
        (RETURN_IN_MEMORY): Whitespace.
        (N_REG_CLASSES): Add parenthesis.
        (INTEGER_CLASS_P): Add parenthesis and wrap.
        (FLOAT_CLASS_P): Likewise.
        (SSE_CLASS_P): Likewise.
        (MMX_CLASS_P): Likewise.
        (MAYBE_INTEGER_CLASS_P): Likewise.
        (MAYBE_FLOAT_CLASS_P): Likewise.
        (MAYBE_SSE_CLASS_P): Likewise.
        (MAYBE_MMX_CLASS_P): Likewise.
        (Q_CLASS_P): Likewise.
        (GENERAL_REGNO_P): Uppercase macro parameter.
        (REX_INT_REGNO_P): Uppercase macro parameter and wrap.
        (FP_REGNO_P): Likewise.
        (ANY_FP_REGNO_P): Uppercase macro parameter.
        (SSE_REGNO_P): Likewise.
        (SSE_REGNO): Likewise.
        (SSE_REG_P): Likewise.
        (SSE_FLOAT_MODE_P): Likewise.
        (MMX_REGNO_P): Likewise.
        (MMX_REG_P):Likewise.
        (STACK_REG_P): Likewise.
        (NON_STACK_REG_P): Likewise.
        (STACK_TOP_P): Likewise.
        (CONVERT_HARD_REGISTER_TO_SSA_P): Add parenthesis.
        (PREFERRED_RELOAD_CLASS): Add parenthesis and whitespace.
        (SECONDARY_MEMORY_NEEDED): Likewise.
        (SECONDARY_OUTPUT_RELOAD_CLASS): Whitespace.
        (MD_ASM_CLOBBERS): Whitespace and wrap.
        (MUST_PASS_IN_STACK): Whitespace and wrap.
        (RETURN_POPS_ARGS): Add parenthesis.
        (INIT_CUMULATIVE_ARGS): Likewise.
        (FUNCTION_ARG): Likewise.
        (FUNCTION_OK_FOR_SIBCALL): Add parenthesis and whitespace.
        (SETUP_INCOMING_VARARGS): Likewise.
        (BUILD_VA_LIST_TYPE):  Add parenthesis.
        (EXPAND_BUILTIN_VA_START): Uppercase macro paremeters and add
        parenthsis.
        (EXPAND_BUILTIN_VA_ARG): Likewise.
        (FUNCTION_PROFILER): Wrap in do { ... } while (0) and add parenthesis.
        (INITIALIZE_TRAMPOLINE): Add parenthesis.
        (INITIAL_ELIMINATION_OFFSET): Likewise.
        (REGNO_OK_FOR_INDEX_P): Add parenthesis.
        (REGNO_OK_FOR_BASE_P): Likewise.
        (REGNO_OK_FOR_SIREG_P): Add parenthesis and wrap.
        (REGNO_OK_FOR_DIREG_P): Likewise.
        (REG_OK_FOR_INDEX_P): Whitespace.
        (REG_OK_FOR_BASE_P): Whitespace.
        (GO_IF_LEGITIMATE_ADDRESS): Wrap in do { ... } while (0) and add
        parenthesis.
        (FIND_BASE_TERM): Fix typo.
        (LEGITIMIZE_ADDRESS): Wrap in  { .. } while (0) and add parenthesis.
        (REWRITE_ADDRESS): Uppercase macro parameter and whitespace.
        (SYMBOLIC_CONST; Whitespace.
        (GO_IF_MODE_DEPENDENT_ADDRESS):Wrap in  { .. } while (0) and wrap.
        (ENCODE_SECTION_INFO): Whitespace.
        (FINALIZE_PIC): Remove do { ... } while (0).
        (PROMOTE_MODE): Wrap in do { ... } while (0).
        (CONST_COSTS): Whitespace.
        (RTX_COSTS): Add paramethesis, whitespace and wrap.
        (REGISTER_MOVE_COST): Add parenthesis.
        (MEMORY_MOVE_COST): Likewise.
        (EXTRA_CC_MODES): Whitespace.
        (SELECT_CC_MODE): Add parenthesis and whitespace.
        (DBX_REGISTER_NUMBER): Uppercase macro parameter and add parenthsis.
        (ASM_PREFERRED_EH_DATA_FORMAT): Add parenthesis and whitespace.
        (ASM_OUTPUT_LABEL): Add paramethesis.
        (ASM_OUTPUT_REG_PUSH): Add parenthesis and whitespace.
        (ASM_OUTPUT_REG_POP): Likewise.
        (ASM_OUTPUT_ADDR_VEC_ELT): Add parenthesis.
        (ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.

        * config/i386/i386.c: Update copyright.
        (CHECK_STACK_LIMIT): Add parenthesis.
        (AT_BP): Uppercase macro parameter.
        (x86_64_int_parameter_registers): Constify.
        (x86_64_int_return_registers): Likewise.
        (ix86_compare_op0): Use rtx.
        (construct_container): Constify INTREG parameter.
        (function_arg): Use rtx.

        * diagnostic.h: Update copyright date.
        (output_buffer_state): Add parenthesis.
        (output_buffer_format_args): Likewise.

        * combine.c (combine_instructions): Replace XEXP (links, 0)
        with link.

2002-01-06  H.J. Lu <hjl@gnu.org>

        * cfgcleanup.c (thread_jump): Fix 2 typos.

2002-01-06  Aldy Hernandez  <aldyh@redhat.com>

        * config.gcc: Add support for --enable-altivec.

2002-01-06  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * emit-rtl.c (gen_highpart): Add check for NULL_RTX.

2002-01-06  Jakub Jelinek  <jakub@redhat.com>

        * objc/objc-act.c (handle_impent): Use assemble_variable to emit
        __objc_class_name_*.

2002-01-06  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        * doc/install.texi (sparcv9-*-solaris2*): Add documentation.

2002-01-06  Richard Henderson  <rth@redhat.com>

        * reorg.c (emit_delay_sequence): Remove death notes, not merely
        nop them out.  Increment label reference count for REG_LABEL.
        (fill_slots_from_thread): Frob label reference count around
        delete_related_insns.

2002-01-05  Richard Henderson  <rth@redhat.com>

        * cfgcleanup.c (try_forward_edges): Detect infinite loops while
        jump threading.

2002-01-05  Richard Henderson  <rth@redhat.com>

        * c-decl.c (c_expand_body): Don't call outlining_inline_function.
        * integrate.c (output_inline_function): Likewise.
        * toplev.c (rest_of_compilation): Do it here instead.  Move call
        to remove_unnecessary_notes after emitting abstract instance.
        Force an emitted nested function to have its parent emited as well.
        * dwarf2out.c (loc_descriptor_from_tree): Read mode after checking
        for null.
        (rtl_for_decl_location): Do not look at reload data structures
        before reload has run.

2002-01-05  Kazu Hirata  <kazu@hxi.com>

        * cse.c: Fix formatting.
        * dwarf2asm.c: Likewise.
        * dwarf2out.c: Likewise.
        * explow.c: Likewise.
        * expmed.c: Likewise.
        * function.c: Likewise.
        * gcov.c: Likewise.
        * gencheck.c: Likewise.
        * genrecog.c: Likewise.
        * ggc-common.c: Likewise.
        * ggc-page.c: Likewise.
        * global.c: Likewise.

2002-01-05  Kazu Hirata  <kazu@hxi.com>

        * combine.c: Fix formatting.

2002-01-05  Craig Rodrigues  <crodrigu@bbn.com>

        PR middle-end/1557
        * config/ia64/ia64.h (RENAME_EXTENDED_BLOCKS): Remove.

2002-01-05  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/rs6000.h (TARGET_POWERPC): For IN_LIBGCC2, define
        as 1 for __powerpc64__ as well.

        * config/rs6000/t-aix43 (T_ADAFLAGS): Define.

        * alias.c (find_base_value, PLUS/MINUS): If we found a base,
        return it.

2002-01-05  Daniel Berlin  <dan@dberlin.org>

        * lcm.c: Revert change, due to performance regression it causes on
        SPEC because it's slightly more conservative (sigh, I hate
        edge-based LCM).

Sat Jan  5 11:52:05 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (try_forward_edges): Allow multiple jump threading.

2002-01-05  Neil Booth  <neil@daikokuya.demon.co.uk>

        * doc/cppinternals.texi: Update.

2002-01-05  Hans-Peter Nilsson  <hp@bitrange.com>

        * doc/invoke.texi (Option Summary) <MMIX Options>: Document
        -mbranch-predict, -mreg-stack-fill-bug-workaround and their
        negatives.
        (MMIX Options): Ditto.  Fix item/itemx typo for -mno-zero-extend.
        * config/mmix/mmix.c (mmix_target_asm_function_prologue): Rework
        kludge for pre-october-14th mmix versions to handle new-found bug
        with PUSHJ/PUSHGO and the register stack.
        * config/mmix/mmix.h (struct machine_function): Rename member
        has_call_value_without_parameters to has_call_without_parameters.
        All referers changed.
        (TARGET_MASK_REG_STACK_FILL_BUG, TARGET_DEFAULT
        TARGET_MASK_BRANCH_PREDICT): New macros.
        (TARGET_SWITCHES): New options -mreg-stack-fill-bug-workaround,
        -mno-reg-stack-fill-bug-workaround.
        * config/mmix/mmix.md ("call"): Set struct machine member
        has_call_without_parameters.

Sat Jan  5 02:20:22 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c (thread_jump): Fix handling of reversed branches.

Sat Jan  5 01:35:29 CET 2002  Jan Hubicka  <jh@suse.cz>

        * cfgcleanup.c: Include tm_p.h
        (mark_effect): Fix handling of hard register; fix handling of SET

2002-01-04  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.md (anonymous patterns): Check that
        operands are registers before using REGNO on them.

2002-01-03  Roland McGrath  <roland@frob.com>

        * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcall-gnu.

2002-01-04  Jakub Jelinek  <jakub@redhat.com>

        * tree.h (expand_expr_stmt_value): Add maybe_last argument.
        * c-common.h (genrtl_expr_stmt_value): Likewise.
        * stmt.c (expand_expr_stmt): Pass 1 as maybe_last.
        (expand_expr_stmt_value): Add maybe_last argument.
        Don't warn about statement with no effect if it is the last statement
        in expression statement.
        * c-semantics.c (genrtl_expr_stmt): Pass 1 as maybe_last.
        (genrtl_expr_stmt_value): Add maybe_last argument, pass it down to
        expand_expr_stmt_value.
        (expand_stmt) [EXPR_STMT]: Pass 1 as maybe_last to
        genrtl_expr_stmt_value if t is the last EXPR_STMT in its scope.
        * expr.c (expand_expr) [LABELED_BLOCK_EXPR, LOOP_EXPR]: Pass 1
        as maybe_last to expand_expr_stmt_value.

Fri Jan  4 11:45:05 2002  Jeffrey A Law  (law@redhat.com)

        * c-common.c (c_expand_start_cond): Expect the IF_STMT node to
        be passed in, do not build it.
        (c_begin_if_stmt): New function.
        (c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
        * c-common.h (c_expand_start_cond): Update prototype.
        (c_begin_if_stmt): Prototype new function.
        (c_begin_while_stmt, c_finish_while_stmt_cond): Likewise.
        * c-parse.in (if_prefix): Use c_begin_if_stmt,
        c_begin_while_stmt and c_finish_while_stmt_cond.

2002-01-04  William Cohen  <wcohen@redhat.com>

        * config/pa/elf.h (ASM_FILE_START): Reverted to profile_flag.
        * config/pa/pa-linux.h (ASM_FILE_START): Likewise.
        * config/pa/pa64-hpux.h (ASM_FILE_START): Likewise.
        * config/pa/som.h (ASM_FILE_START): Likewise.

2002-01-04  Daniel Berlin  <dan@cgsoftware.com>

        * lcm.c: Include df.h.
        Add available_transfer_function prototype.
        (compute_available): Rework to use iterative dataflow framework.
        (struct bb_info): s/bb_info/lcm_bb_info/g to avoid conflict
        with bb_info in df.h
        (available_transfer_function): New function.

        * Makefile.in (lcm.o): add df.h to dependencies.

2002-01-04  Richard Henderson  <rth@redhat.com>

        * config/alpha/alpha.c (some_operand): Accept HIGH.
        (input_operand): Likewise; accept simple references to globals.
        (alpha_const_ok_for_letter_p): New, outlined from alpha.h.
        (alpha_const_double_ok_for_letter_p): Likewise.
        (alpha_extra_constraint): Likewise.
        (alpha_preferred_reload_class): Likewise.  Do not force
        symbolic constants to memory.
        (alpha_legitimate_address_p): Accept simple references
        to small_symbolic_operand.
        (alpha_legitimize_address): New arg scratch.  Be prepared to be
        called when no_new_pseudos.  Emit simple symbolic references.
        Split integers into low, high, and rest.
        (alpha_expand_mov): Use alpha_legitimize_address.
        (some_small_symbolic_mem_operand): New.
        (split_small_symbolic_mem_operand): New.
        * config/alpha/alpha-protos.h: Update.
        * config/alpha/alpha.h (CONST_OK_FOR_LETTER_P): Out-line.
        (CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
        (EXTRA_CONSTRAINT): Likewise.
        (PREFERRED_RELOAD_CLASS): Likewise.
        (LEGITIMIZE_ADDRESS): Update for alpha_legitimize_address change.
        (PREDICATE_CODES): Update.
        * config/alpha/alpha.md: New post-reload splitters to convert
        simplfied symbolic operands to the form that references $29.
        (divide expanders): Use emit_move_insn, not gen_movdi_er_high_g.
        (movdi_er_nofix, movdi_er_fix): Accept any symbolic operand.

2002-01-03  Richard Henderson  <rth@redhat.com>

        * local-alloc.c (function_invariant_p): Update commentary.

2002-01-04  H.J. Lu <hjl@gnu.org>

        * toplev.c (rest_of_compilation): Fix a typo when calling
        cleanup_cfg.

2002-01-03  Kazu Hirata  <kazu@hxi.com>

        * c-common.c: Fix formatting.
        * diagnostic.c: Likewise.
        * doloop.c: Likewise.
        * dwarf2out.c: Likewise.

2002-01-03  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/h8300.c (output_logical_op): Use 'not.w' instead
        of 'neg.w' when xoring with 0x0000ffff or 0xffff0000.

2002-01-03  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cpperror.c: Update comments and copyright.
        * cppexp.c, cppfiles.c, cpphash.c, cpphash.h, cppinit.c,
        cpplex.c, cpplib.c, cpplib.h, cppmacro.c, cppmain.c: Similarly.

2002-01-03  John David Anglin  <dave@hiauly1.hia.nrc.ca>

        * collect2.c (main): Use strcmp when testing for "-shared".

2002-01-03  Neil Booth  <neil@daikokuya.demon.co.uk>

        * cppmacro.c: Don't include intl.h.  Update comments.
        (new_number_token): Allocate enough buffer for 64-bit unsigned
        integers; update prototype.
        * cppmain.c: Update comments.

2002-01-03  William Cohen  <wcohen@redhat.com>

        * function.h (struct function): Add profile.
        (current_function_profile): New.
        doc/extend.texi: Update documentation.
        * final.c (final_start_function): Use current_function_profile
        instead of profile_flag.
        (profile_after_prologue): Likewise.
        * function.c (expand_function_start): Likewise.
        (expand_function_start): Likewise.
        * config/alpha/alpha.c (direct_call_operand):
        (alpha_does_function_need_gp): Likewise.
        (alpha_expand_prologue): Likewise.
        * config/arm/arm.c (arm_expand_prologue): Likewise.
        thumb_expand_prologue: Likewise.
        * config/d30v/d30v.c (d30v_stack_info): Likewise.
        * config/fr30/fr30.c (MUST_SAVE_RETURN_POINTER): Likewise.
        (fr30_expand_prologue): Likewise.
        * config/i386/cygwin.h (SUBTARGET_PROLOGUE): Likewise.
        * config/i386/i386.c (ix86_osf_output_function_prologue): Likewise.
        * config/i386/i386.h (FINALIZE_PIC): Likewise.
        * config/i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
        * config/i960/i960.c (i960_output_function_prologue): Likewise.
        * config/ia64/ia64.c (ia64_compute_frame_size): Likewise.
        * config/m32r/m32r.c (MUST_SAVE_RETURN_ADDR): Likewise.
        (m32r_expand_prologue): Likewise.
        * config/m88k/m88k.c (m88k_layout_frame): Likewise.
        (m88k_expand_prologue): Likewise.
        * config/m88k/m88k.h (ADJUST_INSN_LENGTH): Likewise.
        * config/mips/mips.c (compute_frame_size): Likewise.
        (mips_expand_prologue): Likewise.
        (mips_can_use_return_insn): Likewise.
        * config/pa/elf.h (ASM_FILE_START): Likewise.
        * config/pa/pa-linux.h (ASM_FILE_START): Likewise.
        * config/pa/pa64-hpux.h (ASM_FILE_START): Likewise.
        * config/pa/som.h (ASM_FILE_START): Likewise.
        * config/romp/romp.c (romp_using_r14): Likewise.
        * config/rs6000/rs6000.c (first_reg_to_save): Likewise.
        (rs6000_stack_info): Likewise.
        * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
        * config/rs6000/xcoff.h (ASM_FILE_START): Likewise.
        * config/v850/v850.c (compute_register_save_size): Likewise.

2002-01-03  Jakub Jelinek  <jakub@redhat.com>

        * simplify-rtx.c (simplify_binary_operation) [DIV]: If
        gen_lowpart_common fails, use gen_lowpart_SUBREG.

2002-01-03  Turly O'Connor  <turly@apple.com>

        * darwin.c (machopic_output_possible_stub_label): Don't generate
        stub routines for pseudo-stubs which we've just defined.

2002-01-03  Kazu Hirata  <kazu@hxi.com>

        * builtins.c: Fix formatting.
        * c-typeck.c: Likewise.
        * combine.c: Likewise.
        * expr.c: Likewise.
        * loop.c: Likewise.

2002-01-03  Andreas Schwab  <schwab@suse.de>

        * cppfiles.c (_cpp_pop_file_buffer): Change return type to bool
        and return true if _cpp_push_next_buffer pushed a new include
        file.
        * cpplib.c (_cpp_pop_buffer): Only call obstack_free if
        _cpp_pop_file_buffer did not push a new file.
        * cpphash.h (_cpp_pop_file_buffer): Update declaration.

2002-01-02  Eric Christopher  <echristo@redhat.com>

        * final.c (final_scan_insn): Change 0 -> NULL_RTX in
        FIND_REG_INC_NOTE call. Update copyright.
        * loop.c (canonicalize_condition): Ditto.
        * reorg.c (delete_scheduled_jump): Ditto.

2002-01-03  Kazu Hirata  <kazu@hxi.com>

        * gcse.c: Fix formatting.

2002-01-03  Graham Stott  <grahams@redhat.com>

        * mkconfig.sh: Output to config.h, hconfig.h and tconfig.h
        forward defs for struct tags rtx_def, union_tree, rtvec_def
        also output corresponding typedefs for rtx, tree, and rtvec.

        * system.h: Move forward defs for struct tags rtx_def, union_tree,
        rtvec_def along with corresponding typedefs for rtx, tree, and
        rtvec to config.h, hconfig.h, tconfig.h.

2002-01-03  Graham Stott  <grahams@redhat.com>

        * tree.h: Update copyright date.
        (IS_EXPR_CODE_CLASS): Add parenthesis.
        (TREE_SET_CODE): Add whitespace.
        (TREE_CHECK): Add parenthesis.
        (TREE_CLASS_CODE): Add parenthesis and wrap long line.
        (CST_OR_CONSTRUCTOR_CHECK):
        (EXPR_CHECK): Add parenthis, whitespace and wrap line.
        (TREE_SYMBOL_REFERENCED): Whitespace.
        (INT_CST_LT): Likewise.
        (INT_CST_LT_UNSIGNED): Likewise.
        (tree_real_cst): Unwrap comment.
        (tree_string): Likewise.
        (tree_complex): Likewise.
        (IDENTIFIER_POINTER): correct cast.
        (SAVE_EXPR_CONTEXT): Whitespace.
        (EXPR_WFL_FILENAME_NODE): Likewise.
        (EXPR_WFL_FILENAME): Remove parenthesis.
        (DECL_ORIGIN): Add parenthesis.
        (DECL_FROM_INLINE): Use NULL_TREE.
        (build_int_2): Whitespace.
        (build_type_variant): Add parenthesis.

        * gcc/jcf-parse.c: Update copyright date.
        (yyparse): Constify resource_filename.

2002-01-03  Graham Stott  <grahams@redhat.com>

        * rtl.h: Update copyright date.
        (RTL_CHECK1): Wrap long line.
        (RTL_CHECK2): Likewise.
        (RTL_CHECKC1): Wrap long line and whitespace.
        (RTL_CHECKC2): Likewise.
        (XWINT): Whitespace.
        (XINT): Likewise.
        (XSTR): Likewise.
        (XEXP): Likewise.
        (XVEC): Likewise.
        (XMODE): Likewise.
        (XBITMAP): Likewise.
        (XTREE): Likewise.
        (XBBDEF): Likewise.
        (XTMPL): Likewise.
        (X0WINT): Likewise.
        (X0INT):Likewise.
        (X0UINT): Likewise.
        (X0STR): Likewise.
        (X0EXP): Likewise.
        (X0VEC): Likewise.
        (X0MODE): Likewise.
        (X0BITMAP): Likewise.
        (X0TREE): Likewise.
        (X0BBDEF): Likewise.
        (X0ADVFLAGS): Likewise.
        (X0CSELIB): Likewise.
        (X0MEMATTR): Likewise.
        (XCWINT): Likewise.
        (XCINT): Likewise.
        (XCUINT): Likewise.
        (XCSTR): Likewise.
        (XCEXP): Likewise.
        (XCVEC): Likewise.
        (XCMODE): Likewise.
        (XCBITMAP): Likewise.
        (XCTREE): Likewise.
        (XCBBDEF): Likewise.
        (XCADVFLAGS): Likewise.
        (XCCSELIB): Likewise.
        (XC2EXP): Likewise.
        (INSN_UID): Likewise.
        (PREV_INSN): Likewise.
        (PATTERN): Likewise.
        (INSN_CODE): Likewise.
        (PUT_REG_NOTE_KIND): Likewise.
        (CODE_LABEL_NUMBER): Likewise.
        (NOTE_SOURCE_FILE): Likewise.
        (NOTE_BLOCK): Likewise.
        (NOTE_EH_HANDLER): Likewise.
        (NOTE_RANGE_INFO): Likewise.
        (NOTE_LIVE_INFO): Likewise.
        (NOTE_BASIC_BLOCK): Likewise.
        (NOTE_EXPECTED_VALUE): Likewise.
        (NOTE_LINE_NUMBER): Likewise.
        (LABEL_NAME): Likewise.
        (LABEL_NUSES): Likewise.
        (LABEL_ALTERNATE_NAME): Likewise.
        (ADDRESSOF_DECL): Likewise.
        (JUMP_LABEL): Likewise.
        (LABEL_NEXTREF): Likewise.
        (REGNO): Likewise.
        (ORIGINAL_REGNO: Likewise.
        (HARD_REGISTER_NUM_P): Add parenthesis.
        (SUBREG_REG): Whitespace.
        (SUBREG_BYTE): Likewise.
        (ASM_OPERANDS_TEMPLATE): Remove parenthesis.
        (ASM_OPERANDS_OUTPUT_CONSTRAINT): Likewise.
        (ASM_OPERANDS_OUTPUT_IDX): Likewise.
        (ASM_OPERANDS_INPUT_VEC): Likewise.
        (ASM_OPERANDS_INPUT_CONSTRAINT_VEC): Likewise.
        (ASM_OPERANDS_INPUT): Likewise.
        (ASM_OPERANDS_INPUT_LENGTH): Likewise.
        (ASM_OPERANDS_INPUT_CONSTRAINT_EXP): Likewise.
        (ASM_OPERANDS_INPUT_CONSTRAINT): Likewise.
        (ASM_OPERANDS_INPUT_MODE): Likewise.
        (ASM_OPERANDS_SOURCE_FILE): Likewise.
        (ASM_OPERANDS_SOURCE_LINE): Likewise.
        (MEM_SET_IN_STRUCT_P): Minor reformat.
        (TRAP_CONDITION): Whitespace.
        (TRAP_CODE): Likewise.
        (COND_EXEC_TEST): Likewise.
        (COND_EXEC_CODE): Likewise.
        (FIND_REG_INC_NOTE): Uppercase macro args and add parenthesis.
        (PHI_NODE_P): Add parenthesis.
        (plus_constant): Whitespace and add parenthesis.

2002-01-03  Kazu Hirata  <kazu@hxi.com>

        * config/avr/avr.c: Fix comment typos.
        * config/c4x/c4x.md: Likewise.
        * config/dsp16xx/dsp16xx.h: Likewise.
        * config/dsp16xx/dsp16xx.md: Likewise.
        * config/i386/i386.md: Likewise.
        * config/ia64/ia64.c: Likewise.
        * config/m32r/m32r.h: Likewise.
        * config/m68hc11/m68hc11.md: Likewise.
        * config/mmix/mmix.c: Likewise.
        * config/mn10200/mn10200.c: Likewise.
        * config/romp/romp.c: Likewise.
        * config/sh/sh.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/stormy16/stormy16.h: Likewise.
        * config/stormy16/stormy16.md: Likewise.

2002-01-03  Graham Stott  <grahams@redhat.com>

        * loop.h: Update copyright date.
        (LOOP_MOVABLES): Fix typo.
        (LOOP_REGS): Likewise.
        (LOOP_IVS): Likewise.

2002-01-03  Graham Stott  <grahams@redhat.com>

        * cppinit.c: Update copyright date.
        Don't include output.h
        * Makefile.in: Update copyright date.
        Update dependency.

2002-01-02  Craig Rodrigues  <rodrigc@gcc.gnu.org>

        PR c/5226
        * invoke.texi (-mthreads): Remove from documented RS/6000 options.
        (-pthread) Add to RS/6000 options.

2002-01-02  Kazu Hirata  <kazu@hxi.com>

        * except.c: Fix comment typos.
        * loop.c: Likewise.
        * varasm.c: Likewise.
        * doc/tm.texi: Fix a typo.

2002-01-02  Jakub Jelinek  <jakub@redhat.com>

        * c-typeck.c (output_init_element): Allow initializing static storage
        duration objects with compound literals.

2002-01-02  Richard Henderson  <rth@redhat.com>

        * objc/objc-act.c (hack_method_prototype): Clear current_function_decl
        after abusing it.

2002-01-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>

        * gcc.c (default_compilers): Const-ify.
        * mips-tdump.c (stab_names): Likewise.
        * mips-tfile.c (map_coff_types, map_coff_storage,
        map_coff_sym_type, map_coff_derived_type, stabs_symbol,
        pseudo_ops_t, pseudo_ops): Likewise.
        * protoize.c (default_include): Likewise

        * real.c (GET_REAL, PUT_REAL): Don't cast away const-ness.
        (ezero, ehalf, eone, etwo, e32, elog2, esqrt2, epi): Const-ify.
        Add array size in declaration.
        (endian, emov, eisneg, eisinf, eisnan, eiisnan, eiisneg, emovi,
        emovo, emovz, eiisinf, ecmpm, eaddm, esubm, m16m, edivm, emulm,
        esub, eadd, eadd1, ediv, emul, e53toe, e64toe, e113toe, e24toe,
        etoe113, etoe64, etoe53, etoe24, ecmp, eround, ltoe, ultoe,
        eifrac, euifrac, e24toasc, e53toasc, e64toasc, e113toasc, etoasc,
        efloor, efrexp, eldexp, eremain, dectoe, etodec, ibmtoe, etoibm,
        c4xtoe, etoc4x, uditoe, ditoe, etoudi, etodi, esqrt, etens,
        emtens, make_nan): Const-ify.
        (TFbignan, TFlittlenan, XFbignan, XFlittlenan, DFbignan,
        DFlittlenan, SFbignan, SFlittlenan): Make static and const-ify.

2002-01-02  Joseph S. Myers  <jsm28@cam.ac.uk>

        * config.gcc (ia64-*-*): Set extra_headers.
        (alpha*-dec-osf*): Likewise.  Don't use alpha/t-osf.
        * config/alpha/t-osf: Remove.
        * config/ia64/t-ia64 (EXTRA_HEADERS): Remove.

2002-01-02  David Edelsohn  <edelsohn@gnu.org>

        * config/rs6000/t-aix43: Revert previous change.

2002-01-02  Jason Merrill  <jason@redhat.com>

        * c-decl.c (c_expand_body): Call outlining_inline_function when
        emitting an inline function out of line.

2002-01-02  Richard Henderson  <rth@redhat.com>

        * dwarf2out.c (limbo_die_node): Add created_for member.
        (new_die): New argument created_for.  Update all callers.
        (mark_limbo_die_list): New.
        (dwarf2out_init): Register limbo_die_list as a root.
        (dwarf2out_finish): Force insert limbo dies into their function
        context.

2002-01-02  Nathan Sidwell  <nathan@codesourcery.com>

        PR c++/5089
        * doc/invoke.texi (-Wold-style-cast): Only warn about non-void casts.

2002-01-02  Kazu Hirata  <kazu@hxi.com>

        * config/h8300/fixunssfsi.c: Update copyright.
        Fix comment typos.
        Fix formatting.
        * config/h8300/h8300.c: Update copyright.
        Eliminate warnings.

2002-01-02  Kazu Hirata  <kazu@hxi.com>

        * config/romp/romp.c: Fix comment formatting.
        * config/romp/romp.h: Likewise.
        * config/romp/romp.md: Likewise.
        * config/s390/s390.c: Likewise.
        * config/stormy16/stormy16.c: Likewise.
        * config/stormy16/stormy16.h: Likewise.

2002-01-02  Alexandre Oliva  <aoliva@redhat.com>

        * c-common.h (genrtl_expr_stmt_value): Declare.
        * c-semantics.c (genrtl_goto_stmt): Redirect to...
        (genrtl_goto_stmt_value): ... this new function.  Pass new
        argument down to expand_expr_stmt_value, taking
        TREE_ADDRESSABLE into account.
        * c-common.c (c_expand_expr): Mark the last EXPR_STMT of a
        STMT_EXPR as addressable, i.e., one whose result we want.
        * expr.c (expand_expr): Don't save expression statement value
        of labeled_blocks or loop_exprs.
        * stmt.c (expand_expr_stmt): Redirect to...
        (expand_expr_stmt_value): ... this new function.  Use new
        argument to tell whether to save expression value.
        (expand_end_stmt_expr): Reset last_expr_type and
        last_expr_value if we don't have either.
        * tree-inline.c (declare_return_variable): Mark its use
        statement as addressable.
        * tree.h: Document new use of TREE_ADDRESSABLE.
        (expand_expr_stmt_value): Declare.

2002-01-01  Tom Rix  <trix@redhat.com>

        * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Fix for use by
        rs6000_emit_allocate_stack.

2002-01-01  Joseph S. Myers  <jsm28@cam.ac.uk>

        * configure.in: Prepend ${srcdir}/config/${cpu_type}/ instead of
        ${srcdir}/ginclude/ to every entry in extra_headers.
        * configure: Regenerate.
        * ginclude/math-3300.h: Rename to config/m68k/math-3300.h.
        * ginclude/math-68881.h: Rename to config/m68k/math-68881.h.
        * ginclude/ppc-asm.h: Rename to config/rs6000/ppc-asm.h.
        * ginclude/proto.h: Rename to config/convex/proto.h.

Tue Jan  1 17:12:56 2002  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

        * attribs.c (handle_vector_size_attribute): Use host_integerp
        and tree_int_cst; remove warnings.
        * caller-save.c (insert_restore): Add cast to get rid of warning.
        (insert_save): Likewise.
        * emit-rtl.c (adjust_address_1, offset_address): Likewise.
        * regmove.c (find_matches): Add temporary var to kill a warning.

2002-01-01  Douglas B Rupp  <rupp@gnat.com>

        * config/alpha/vms.h (DWARF2_UNWIND_INFO, EH_RETURN_HANDLER_RTX,
        LINK_EH_SPEC, MD_FALLBACK_FRAME_STATE_FOR): Define.
        * config/alpha/t-vms (EXTRA_PARTS): Add vms-dwarf2eh.o
        (vms-dwarf2eh.o): Add Makefile rule.
        * config/alpha/vms-ld.c (main): Handle vms-dwarf2eh.o.
        * config/alpha/vms-dwarf2eh.asm: New file.

        * gcc.c (delete_if_ordinary): Delete all versions.

2002-01-01  Hans-Peter Nilsson  <hp@bitrange.com>

        * config/mmix/mmix.md: Update FIXME to not mention
        define_constants.
        (MMIX_rJ_REGNUM): New define_constants constant.
        ("movqi", "movsi", "movdi", "*movdicc_real_foldable",
        "*movdicc_real"): Adjust contraints formatting.
        ("*bCC_foldable"): Add %+ for P in output format and delete FIXME
        for branch prediction.
        ("*bCC", "*bCC_inverted_foldable", "*bCC_inverted"): Add %+ in
        output template.
        ("*call_real", "*call_value_real", "nonlocal_goto_receiver",
        "*nonlocal_goto_receiver_expanded"): Use MMIX_rJ_REGNUM instead of
        number.  Delete related FIXMEs.
        * config/mmix/mmix.h (MMIX_INCOMING_RETURN_ADDRESS_REGNUM): Change
        from number to MMIX_rJ_REGNUM.
        (TARGET_MASK_BRANCH_PREDICT): New.
        (TARGET_DEFAULT): Change to TARGET_MASK_BRANCH_PREDICT.
        (TARGET_SWITCHES): Update comment.  Correct -mno-toplevel-symbols
        value.  Add -mbranch-predict and -mno-branch-predict.
        (TARGET_VERSION): Drop date.
        (ADDITIONAL_REGISTER_NAMES): Use MMIX_rJ_REGNUM, not number.
        * config/mmix/mmix.c (mmix_encode_section_info): Correct condition
        for finding out global symbols.
        (mmix_asm_output_labelref): Revert condition for global symbol.
        (mmix_print_operand): <case '+'>: Emit P for a likely branch.
        (mmix_print_operand_punct_valid_p): A '+' is valid.

See ChangeLog.6 for earlier changes.