blob: 52df96025fbf25b48b5b4296045d61fd6199a889 [file] [log] [blame]
2000-06-30 Mark Mitchell <>
* (c-common.o): Don't depend on c-tree.h or c-lex.h.
* c-common.c (ridpointers): Declare.
* c-common.h (enum rid): Declare.
(NORID): Likewise.
(ridpointers): Likewise.
* c-lex.c (ridpointers): Don't declare.
(init_lex): Initialize ridpointers.
* c-lex.h (enum rid): Don't declare.
(NORID): Likewise.
(ridpointers): Likewise.
2000-06-30 J. David Anglin <>
* pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
have global scope.
2000-06-30 Martin von Loewis <>
* invoke.texi (-Wreturn-type): In C++, a missing return type is
always an error.
2000-06-30 Catherine Moore <>
* c-common.c (decl_attributes): Differentiate between
types and type decls for alignment.
2000-06-30 Nathan Sidwell <>
* cpp.texi: Document #pragma GCC dependency
* cppfiles.c (open_include_file): Set date to unknown.
(_cpp_compare_file_date): New function.
(read_include_file): Set file date.
* cpphash.h (struct include_file): Add date member.
(_cpp_compare_file_date): Prototype.
* cpplib.c (parse_include): Add trail parameter. Adjust.
(do_include): Adjust parse_include call.
(do_import): Likewise.
(do_include_next): Likewise.
(gcc_pragmas): Add dependency pragma.
(do_pragma_dependency): New pragma.
2000-06-29 Jason Merrill <>
* dwarf2out.c (output_loc_operands): Don't abort on codes that have
no operands.
2000-06-29 Jim Wilson <>
* config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
a volatile mem and FR_REGS.
2000-06-29 Mark Mitchell <>
* c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
* c-common.h (flag_const_strings): Declare.
(warn_format): Likewise.
(flag_traditional): Likewise.
(flag_isoc99): Likewise.
(warn_parentheses): Likewise.
(warn_conversion): Likewise.
(C_TYPE_OBJECT_P): Likewise.
(C_TYPE_FUNCTION_P): Likewise.
(build_unary_op): Likewise.
(build_binary_op): Likewise.
(lvalue_p): Likewise.
(default_conversion): Likewise.
(common_type): Likewise.
* c-tree.h (C_TYPE_OBJECT_P): Remove.
(C_TYPE_FUNCTION_P): Likewise.
(common_type): Likewise.
(default_conversion): Likewise.
(build_binary_op): Likewise.
(build_unary_op): Likewise.
(lvalue_p): Likewise.
(flag_const_strings): Likewise.
(warn_format): Likewise.
(warn_conversion): Likewise.
(flag_traditional): Likewise.
(flag_isoc99): Likewise.
(warn_parentheses): Likewise.
2000-06-29 James E. Wilson <>
* config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
* config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
same. Only tie XFmode with XFmode.
2000-06-29 Zack Weinberg <>
* c-decl.c, timevar.c, tlink.c: Include intl.h.
* Update deps.
2000-06-29 Andrew Haley <>
* toplev.c (main): On an IA-64, make flag_unwind_tables defauit
to true.
2000-06-29 Andrew Haley <>
* config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
bytes: remove the multiply by 8.
2000-06-29 Philipp Thomas <>
* rtl.c : Revert NLS changes.
* gcc.c : Fix bug in display_help introced by my last changes.
Wed Jun 28 21:09:33 2000 Raja R Harinath <>
* dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
2000-06-29 Michael Hayes <>
* flow.c (flow_depth_first_order_compute): Fix algorithm.
2000-06-28 Philipp Thomas <>
* c-decl.c : Mark strings for translation.
(parmlist_tags_warning): Use distinct messages instead
of conditional expressions.
* diagnostic.c (v_message_with_decl): Mark string for translation.
* gcc.c: Mark messages for translation.
(display_help): Combine messages into one string where necessary.
* mips-tfile: Add intl.h. Mark messages for translation.
* rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
messages for translation.
* timevar.c: Mark messages for translation.
* tlink.c: Likewise.
* toplev.c: Likewise.
Wed Jun 28 15:39:26 2000 Donn Terry (
* i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
* alpha/alpha-interix.h: Delete redundant -Asystem(interix),
use -isystem instead of -idirafter.
* i386/i386-interix.h: Likewise.
2000-06-28 Jason Merrill <>
* dwarf2out.c (output_loc_operands): Don't support >1 byte output
unless DWARF2_DEBUGGING_INFO is defined.
(ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
2000-06-28 Richard Henderson <>
* config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
2000-06-28 Jakub Jelinek <>
* cpplex.c (output_line_command): Output correct #line if a header
is including itself and is not protected against multiple inclusion.
2000-06-28 Zack Weinberg <>
* cppfiles.c (open_include_file): If open(2) returns EMFILE or
ENFILE, close all cached file descriptors and try again.
(_cpp_execute_include): Keep a count of the number of times
each header is included.
(close_cached_fd): New function.
* cpphash.h (struct include_file): Rename before to
include_count; all users updated. Make include_count and sysp
unsigned short.
* cppinit.c (cpp_finish): If -H, report headers that could use
reinclude guards.
(report_missing_guard): New function.
Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <>
* (prologue_set_got): Set length_immediate field.
(testqi_ccno_1): Add missing '@' character.
2000-06-27 Jason Merrill <>
* dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
2000-06-27 Andrew Macleod <>
* dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
unsigned macros available.
2000-06-27 Richard Henderson <>
* config/ia64/ia64.c (emit_insn_group_barriers): Special case
* config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
completers for UNORDERED and ORDERED as well.
* config/ia64/ (bunordered, bordered): New.
(sunordered, sordered): New.
Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <>
* genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
* i386.c (ix86_attr_length_default): Kill.
(ix86_attr_length_immediate_default, ix86_attr_length_address_default):
* i386-protos.h (ix86_attr_length_default): Kill
(ix86_attr_length_immediate_default, ix86_attr_length_address_default):
Add prototype
* (attribute type): Add "test".
(attribute length_prefix): Kill.
(attribute length_opcode): Kill.
(attribute i387, mode, length_immediate, length_address, prefix_data16,
prefix_rep, prefix_0f, modrm): New.
(attribute length): Compute using the new attributes.
(attribute pent_prefix): New.
(attribute pent_pair): Compute using pent_prefix.
(all insn patterns): Set mode,modrm and immediate_length attributes where
(cmpsi patterns): Compute sizes properly for test instruction.
(movsi, movhi patterns): Compute sizes properly for eax shortcuts.
(movstricthi_xor, movstrictqi_xor): New patterns.
(andsi/andhi): Use splitters to generate xor instructions.
(xorqi_ext_1): New pattern.
(movstricthi->movstricthi_xor peep2): New.
Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <>
* (addqi_low_1): Remove.
2000-06-27 Philipp Thomas <>
* 1750a.h: Mark help strings for options/switches for translation.
* a29k.h: Likewise.
* alpha.h: Likewise.
* arm.h: Likewise.
* pe.h: Likewise.
* riscix.h: Likewise.
* c4x.h: Likewise.
* clipper.h: Likewise.
* convex.h: Likewise.
* elxsi.h: Likewise.
* fr30.h: Likewise.
* fx80.h: Likewise.
* h8300.h: Likewise.
* i370.h: Likewise.
* cygwin.h: Likewise.
* dgux.h: Likewise.
* djgpp.h: Likewise.
* i386.h: Likewise.
* osf1elf.h: Likewise.
* osfrose.h: Likewise.
* sco5.h: Likewise.
* win32.h: Likewise.
* i860.h: Likewise.
* paragon.h: Likewise.
* i960.h: Likewise.
* ia64.h: Likewise.
* m32r.h: Likewise.
* mcore.h: Likewise.
* mips.h: Likewise.
* mn10300.h: Likewise.
* ns32k.h: Likewise.
* pdp11.h: Likewise.
* pj.h: Likewise.
* aix.h: Likewise.
* aix41.h: Likewise.
* aix43.h: Likewise.
* beos.h: Likewise.
* rs6000.h: Likewise.
* sysv4.h: Likewise.
* linux.h: Likewise.
* linux64.h: Likewise.
* sp64-elf.h: Likewise.
* sparc.h: Likewise.
* splet.h: Likewise.
* v850.h: Likewise.
* convex.h (TARGET_SWITCHES): Provide descriptions and mark them
for translation.
* sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
Properly document option and mark for translation.
* sp86x-elf.h: Likewise.
2000-06-27 Bernd Schmidt <>
Add MMX and SSE registers to i386 machine description.
* i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
ix86_local_alignment): Declare.
* i386.h (TARGET_MMX, TARGET_SSE): New.
enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
(REG_PARM_STACK_SPACE): Added so the first three TImode parameters
also get stack space.
(MUST_PASS_IN_STACK): Added TImode to the default definition.
(CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
(ALIGN_MODE_128): New macro.
(CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
(REG_CLASS_FROM_LETTER): 'y' for MMX regs.
(SECONDARY_MEMORY_NEEDED): Be conservative about copying between
SSE/MMX regs and something else.
(CLASS_MAX_NREGS): 1 for SSE and MMX regs.
(REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
3 if moving between MMX regs and something else.
* i386.c (reg_class): Add SSE_REGS, MMX_REGS.
(regclass_map): Add MMX/SSE registers.
(print_operand): Add code to print XMMWORD as appropriate.
(ix86_split_movdi): Abort for MMX regs.
(init_cumulative_args): Also allow SSE_REGS
(function_arg_advance, function_arg): Likewise
(print_reg): Support 'm'. Add case for TImode.
(override_options): TARGET_SSE implies TARGET_MMX.
(ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
New functions.
* config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
* config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
* config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
* config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
2000-06-26 Geoff Keating <>
* ssa.c (struct rename_set_data): Change the name of field
'set_dest' to 'old_reg'. Add comments.
(struct rename_context): Change the name of 'set_data' to
'new_renames'. Add new field 'done_renames'.
(create_delayed_rename): New function.
(apply_delayed_renames): New function.
(rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
SUBREGs and similar by emitting a move.
(new_registers_for_updates): Delete, functionality moved to
(rename_block): Handle moves emitted by rename_insn_1 by putting
them into a SEQUENCE with the original insn. Add sanity checks
and comments.
(rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
(rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
2000-06-26 Andrew Macleod <>
Jason Merrill <>
* dwarf2.h (enum dwarf_call_frame_info): Add
* dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
dw_loc_descr_struct entry.
(struct cfa_loc): New structure to track a CFA location.
(lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
(lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
offset, plus handle DW_CFA_def_cfa_expression.
(def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
cfa_loc record.
(dwarf2out_def_cfa): Entry point maintained for compatibility.
(dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
(cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
(cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
(initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
(dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
sequences for the new DW_CFA_def_cfa_expression record.
(dwarf2out_frame_debug): Use new variables/fields.A
(output_cfi): Handle DW_CFA_def_cfa_expression.
(output_cfa_loc): New function to generate a CFI record for
(get_cfa_from_loc_descr): New function to get a cfa_loc record from
a dw_loc_descr sequeunce.
(build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
(dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
size_of_locs, output_loc_operands, output_loc_sequence): Move into
unwind info section.
* frame.h (frame_state): Add base_offset and indirect fields.
* frame-dwarf2.c (decode_stack_op): New function to interpret a
dw_loc_descr operation.
(execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
(struct frame_state): Add base offset and indirect fields.
* libgcc2.c (next_stack_level): Support indirect loading for CFA.
2000-06-26 Joseph S. Myers <>
* c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
Make warnings about implicit int be pedwarns in C99. Don't warn
about duplicate type qualifiers in C99.
(start_function): Make warning about implict int return type be a
pedwarn in C99.
* c-lex.c (yylex): Don't warn about `long long' in C99.
* c-typeck.c (c_expand_return): In C99, always pedwarn about
`return' with no value in function returning non-void.
2000-06-26 Richard Henderson <>
* c-typeck.c (pedwarn_c99): New.
* diagnostic.c (verror, vwarning, vpedwarn): Export.
* toplev.h: Prototype them.
2000-06-26 J. David Anglin <>
* c-typeck.c (digest_init): Return error_mark_node node when
TREE_TYPE (init) == error_mark_node.
2000-06-26 Philipp Thomas <>
* aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
test for msgfmt without path instead.
* configure: Rebuilt.
2000-06-25 Theodore Papadopoulo <>
* gengenrtl.c (special_rtx): Fix typo in comment.
2000-06-26 Michael Hayes <>
* (LIB2FUNCS): Add missing space.
2000-06-24 Bernd Schmidt <>
* tree.h (enum tree_index): Add vector type nodes.
Add accessor macros for them.
* tree.c (build_common_tree_nodes_2): Build these nodes.
(finish_vector_type): New function.
* c-common.c (type_for_mode): Handle vector modes.
* tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
* dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
* dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
* dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
(gen_type_die): Likewise.
* dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
(fundamental_type_code): Likewise.
(type_is_fundamental): VECTOR_TYPEs aren't.
(output_type): Handle VECTOR_TYPEs.
2000-06-25 Kazu Hirata <>
* config/arm.c: Fix a comment typo.
* config/arm.h: Likewise.
2000-06-25 Philipp Thomas <>
* aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
compiler found.
AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
* configure: Rebuilt.
2000-06-25 John David Anglin <>
* config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
2000-06-25 Herman A.J. ten Brugge <>
* Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
2000-06-24 Marc Espie <>
* collect2.c (resolve_lib_name): Move '/' check out of loop.
2000-06-24 Dirk Duellmann <>
* ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
2000-06-24 Jakub Jelinek <>
* stmt.c (expand_decl_cleanup): Emit a dummy insn after
2000-06-24 Bernd Schmidt <>
* tree.def (VECTOR_TYPE): New node type.
* tree.h: Adjust some comments to reflect addition of vector types.
* stor-layout.c (layout_type): Handle VECTOR_TYPE.
* c-convert.c (convert): Likewise.
* convert.c (convert_to_integer): Handle vector modes.
(convert_to_vector): New function.
* convert.h (convert_to_vector): Declare.
* expr.c (convert_move): Handle vector modes.
* expmed.c (extract_bit_field): Don't abort for vector modes.
2000-06-24 Marek Michalkiewicz <>
* config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
* config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
New functions, common code moved from function_{prologue,epilogue}
and extended to support the -mtiny-stack option.
(function_prologue, function_epilogue): Use them.
Use lo8/hi8 consistently for asm output readability.
(avr_hard_regno_mode_ok): New function.
* config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
(UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
(HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
* config/avr/ (*mov_sp_r): Add support for -mtiny-stack.
Write SPH before SPL.
(*movqi): No need to disable interrupts for just one "out"
in alternative 5. Change length attribute from 4 to 1.
* config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
Write SPH before SPL.
2000-06-24 Bernd Schmidt <>
* rtl.texi (Vector Operations): New node.
(Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
(Conversions): Add ss_truncate, us_truncate.
US_TRUNCATE): New rtx codes.
* machmode.def: Add vector modes.
* machmode.h (enum mode_class): Add MODE_VECTOR_INT and
2000-06-24 Nathan Sidwell <>
* cpp.texi: Clarify #pragma GCC namespace.
2000-06-24 Philipp Thomas <>
* aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
all catalogs specified in ALL_LINGUAS.
* configure: Rebuilt.
2000-06-23 Jakub Jelinek <>
* config/sparc/ (reload_outdi+1): Handle
HOST_BITS_PER_WIDE_INT == 64 case correctly.
(adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
2000-06-23 Geoffrey Keating <>
* alias.c (fixed_scalar_and_varying_struct_p): Don't examine
struct vs. scalar-ness when -fno-strict-aliasing.
2000-06-23 Nathan Sidwell <>
* cpplib.c (struct pragma_entry): New structure.
(pragma_dispatch): Pragma dispatcher.
(top_pragmas, gcc_pragmas): New static variables.
(do_pragma): Use pragma_dispatch.
(do_pragma_gcc): New pragma handler.
* cpp.texi: Update.
2000-06-23 Jakub Jelinek <>
* calls.c (compute_argument_addresses): Force stack slots into
alias set 0.
* expr.c (emit_push_insn): Force pushes into alias set 0.
2000-06-23 Richard Henderson <>
* config/ia64/ (pred_rel_mutex): Only take one register.
* config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
2000-06-22 Jason Merrill <>
* toplev.c (compile_file): Always call timevar_print.
* (calls.o): Depend on TIMEVAR_H.
2000-06-22 Nathan Sidwell <>
* varasm.c (constant_descriptor): Make contents unsigned char.
(mark_const_hash_entry): Adjust.
(const_hash): Just hash the code of unknown nodes.
(compare_constant_1): Adjust for unsigned char.
Use language specific expander on unknown nodes.
(record_constant_1): Likewise.
2000-06-21 Zack Weinberg <>
* cppfiles.c (cpp_make_system_header): New function.
* cpplib.h: Prototype it.
* cpplib.c (do_line, do_pragma_system_header): Use it.
* fix-header.c (read_scan_file): Use it.
* fix-header.c (check_macro_names): Cast second arg of
cpp_defined to const unsigned char *.
(read_scan_file): Make getchar_call const unsigned char.
2000-06-21 Zack Weinberg <>
* cppfiles.c: Include splay-tree.h, not hashtab.h.
(redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
(destroy_include_file_node): New.
(_cpp_init_include_hash): Rename _cpp_init_include_table.
Create a splay tree, not a hash table.
(open_include_file): Look up the path in the include table,
do the multiple include optimization here, etc.
(cpp_included): Walk the path.
(find_include_file): Just walk the path calling
open_include_file, or call it directly for an absolute path.
(_cpp_fake_ihash): Rename _cpp_fake_include and update for new
(read_include_file): Update for new scheme. Don't close the
file unless reading fails.
(_cpp_execute_include, cpp_read_file): Tweak for new scheme.
* cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
(struct include_file): New.
Update prototypes.
* cppinit.c: Include splay-tree.h.
(cpp_reader_init, cpp_cleanup): Update.
* cpplib.h (struct cpp_buffer): Change ihash field to
'struct include_file *inc'. Remove system_header_p.
(struct cpp_reader): Change all_include_files to a
struct splay_tree_s *.
* cpplex.c: Update all references to cpp_buffer->ihash and/or
(cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
* (SPLAY_TREE_H): New macro.
(cppfiles.o, cppinit.o): Update dependencies.
Wed Jun 21 11:05:48 2000 Martin Buchholz <>
* invoke.texi (g++): "g++" is not a script anymore.
2000-06-20 J. David Anglin <>
* function.c (round_down): Delete obsolete prototype.
* pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
2000-06-20 Zack Weinberg <>
* Use 'test a = b' not 'test a == b'.
* configure: Regen.
* (fix-header): Link with $(LIBS) not $(HOST_LIBS).
* Remove all references to HOST_INTLLIBS.
* cpplex.c (parse_name): Don't warn about $ in identifiers if
2000-06-20 Philipp Thomas <>
* config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
for PA 2.0.
Mon Jun 19 23:26:40 2000 J"orn Rennecke <>
* Take REG_INC notes into account.
2000-06-19 Zack Weinberg <>
* (undeclared_variable_notice): Moved to c-typeck.c.
(primary: IDENTIFIER): Just call build_external_ref.
* c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
* c-lex.c (lastiddecl): Remove.
(yylex): Replace all instances of lastiddecl with local
* c-typeck.c (build_external_ref): New function. Treat decls
with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
Look up the decl from the id here. Call lookup_objc_ivar.
* c-lang.c (lookup_objc_ivar): Stub.
* objc/objc-act.c (lookup_objc_ivar): New function.
* c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
* c-lex.h: Don't declare lastiddecl.
2000-06-19 Benjamin Chelf <>
* c-common.h (IF_COND): Added documentation.
(THEN_CLAUSE): Likewise.
(ELSE_CLAUSE): Likewise.
(WHILE_COND): Likewise.
(WHILE_BODY): Likewise.
(DO_COND): Likewise.
(DO_BODY): Likewise.
(RETURN_EXPR): Likewise.
(EXPR_STMT_EXPR): Likewise.
(FOR_INIT_STMT): Likewise.
(FOR_COND): Likewise.
(FOR_EXPR): Likewise.
(FOR_BODY): Likewise.
(SWITCH_COND): Likewise.
(SWITCH_BODY): Likewise.
(CASE_LOW): Likewise.
(CASE_HIGH): Likewise.
(COMPOUND_BODY): Likewise.
(ASM_CV_QUAL): Likewise.
(ASM_STRING): Likewise.
(ASM_OUTPUTS): Likewise.
(ASM_INPUTS): Likewise.
(ASM_CLOBBERS): Likewise.
(DECL_STMT_DECL): Likewise.
(STMT_EXPR_STMT): Likewise.
* c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
2000-06-19 Kaveh R. Ghazi <>
* (--enable-checking): Update --help doc to reflect
new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
Sun Jun 18 21:42:15 2000 Richard Kenner <>
* gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
* function.c (put_var_into_stack): Don't reference DECL_ fields
if input is a SAVE_EXPR.
Use set_mem_attributes in COMPLEX case.
2000-06-18 Richard Henderson <>
* config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
(ia64_file_start): Declare.
* config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
(GR_REGNO_P): Likewise.
* config/ia64/ia64.c: Many prototypes.
(ia64_reg_numbers): Constify.
(ia64_input_reg_names, ia64_local_reg_names): Likewise.
(ia64_section_threshold): Make unsigned.
(ia64_print_operand): Constify.
(fix_range): Constify.
(ia64_init_builtins): Don't compare signed vs unsigned.
(ia64_expand_builtin): Likewise.
* config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
* config/ia64/ (movdi_internal): Use Q for fp<->mem.
(movsf_internal, movdf_internal): Likewise.
(cmovdi_internal): Rewrite so that constraints and predicates match;
simplify splitters.
(cmovsi_internal): Likewise.
* config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
* config/ia64/ia64.c (ia64_file_start): New.
(rtx_needs_barrier): Handle pred.rel.mutex.
(emit_predicate_relation_info): New.
* config/ia64/ (pred_rel_mutex): New.
* config/ia64/linux.h (ASM_SPEC): Define.
* config/ia64/sysv4.h (ASM_FILE_START): Define.
* config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
filtering global register variables.
2000-06-18 Kaveh R. Ghazi <>
* c-common.c (add_c_tree_codes): Fix definition for traditional C.
2000-06-17 Michael Meissner <>
* gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
not present and there is a field after a '-'.
2000-06-17 Bruce Korb <>
* fixinc/check.tpl: finish the implementation of multiple tests
for a single fix
* fixinc/inclhack.def(ctrl_quotes_def): add a second test
(io_quotes_def): add a second test
(various): reorder `files' so that "limits.h" is never first
* fixinc/tests/base/*: update the testing output
Sat Jun 17 10:33:59 2000 Richard Kenner <>
* gcc.texi: Remove reference to stupid.c.
2000-06-16 Benjamin Chelf <>
* c-common.c (c_tree_code_type): New array.
(c_tree_code_length): Likewise.
(c_tree_code_name): Likewise.
(add_c_tree_codes): New function.
* c-common.h (add_c_tree_codes): Declare.
(enum c_tree_code): New enum.
* c-lex.c (init_parse): Added call to add_c_tree_codes.
2000-06-16 Kaveh R. Ghazi <>
* fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
select pattern to also match macro defs with only one argument.
Thu Jun 15 18:56:12 2000 Jeffrey A Law (
* Create new [right,left] rotate and right shift
patterns to optimize shift by 1 bit for certain ia32 processors.
Update patterns which perform left shifts to optimize shift by
1 bit for certain ia32 processors.
* i386.c (const_int_1_operand): New predicate.
* i386.h (PREDICATE_CODES): Handle const_int_1_operand.
* i386-protos.h (const_int_1_operand): Prototype.
Wed Jun 14 23:46:26 2000 J"orn Rennecke <>
* mips.c (machine_dependent_reorg): Fix braces for nested if.
2000-06-14 Geoff Keating <>
* rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
2000-06-14 Richard Henderson <>
* conflict.c (conflict_graph_compute): Don't look for REG_INC.
* config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
auto-inc code.
* print-rtl.c (print_rtx): Emit space before mem alias set.
2000-06-14 David Edelsohn <>
* rs6000.c (expand_block_move): Fix typo in earlier change.
(print_operand): Remove unused variables neg and op.
(toc_hash_mark_entry): Fix prototype.
2000-06-14 Benjamin Chelf <>
* c-common.h (IF_COND): Moved here from cp/cp-tree.h.
(THEN_CLAUSE): Likewise.
(ELSE_CLAUSE): Likewise.
(WHILE_COND): Likewise.
(WHILE_BODY): Likewise.
(DO_COND): Likewise.
(DO_BODY): Likewise.
(RETURN_EXPR): Likewise.
(EXPR_STMT_EXPR): Likewise.
(FOR_INIT_STMT): Likewise.
(FOR_COND): Likewise.
(FOR_EXPR): Likewise.
(FOR_BODY): Likewise.
(SWITCH_COND): Likewise.
(SWITCH_BODY): Likewise.
(CASE_LOW): Likewise.
(CASE_HIGH): Likewise.
(COMPOUND_BODY): Likewise.
(ASM_CV_QUAL): Likewise.
(ASM_STRING): Likewise.
(ASM_OUTPUTS): Likewise.
(ASM_INPUTS): Likewise.
(ASM_CLOBBERS): Likewise.
(DECL_STMT_DECL): Likewise.
(STMT_EXPR_STMT): Likewise.
(SCOPE_BEGIN_P): Likewise.
(SCOPE_END_P): Likewise.
(SCOPE_PARTIAL_P): Likewise.
(ASM_VOLATILE_P): Likewise.
(STMT_LINENO): Likewise.
* c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
* gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
2000-06-14 David O'Brien <>
* gcc.c (main): Quiet compiler warnings. argv is assumed to be
writable in parts of the GCC code.
* config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
specification match cast.
Wed Jun 14 09:25:57 2000 Jeffrey A Law (
* Revert AC_TYPE_GETGROUPS patch from June 13.
* configure, Rebuilt.
* sys-protos.h: Similarly.
Wed Jun 14 03:39:58 EDT 2000 John Wehle (
* ifcvt.c (EDGE_COMPLEX): Move definition ...
* basic-block.h (EDGE_COMPLEX): ... here.
* loop.c (check_dbra_loop): Specify the register when
generating REG_NONNEG notes and don't generate duplicates.
2000-06-13 Jakub Jelinek <>
(struct tree_type, struct tree_decl): Add user_align member.
* stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
(place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
and DECL_USER_ALIGN 0, cap alignment to this value.
(place_field): Likewise.
(finalize_type_size): Set TYPE_USER_ALIGN.
(layout_type): Likewise.
(initialize_sizetypes): Likewise.
* c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
* c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
(xfer_tag): Set TYPE_USER_ALIGN.
(finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
(finish_enum): Likewise.
* stmt.c (expand_decl): Set DECL_USER_ALIGN.
(expand_anon_union_decl): Likewise.
* tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
(build_index_type): Set TYPE_USER_ALIGN.
(build_range_type): Likewise.
(build_common_tree_nodes_2): Likewise.
* tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
2000-06-13 Andreas Jaeger <>
* Use --enable-checking=misc,tree,gc by default if
no --enable-checking option is given and for
* configure: Rebuilt.
2000-06-13 Richard Henderson <>
* libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
(__throw): Don't pass the address of a label.
* config/ia64/ia64.c (ia64_compute_frame_size): Use
(ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
instead of reg_names[RETURN_ADDRESS_REGNUM].
(ia64_init_machine_status): Reset return_address_pointer_rtx.
* config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
from RETURN_ADDRESS_REGNUM. Update all uses.
(RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
zero instead of null on failure.
(ELIMINABLE_REGS): Add ra->b0 elimination.
(CAN_ELIMINATE): Update accordingly.
(REGISTER_NAMES): Use an illegal assembler name for
2000-06-13 Richard Henderson <>
* config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
(REG_CLASS_NAMES): Likewise.
(HARD_REGNO_MODE_OK): Remove references to them.
(REGNO_REG_CLASS): Likewise.
(CLASS_MAX_NREGS): Likewise.
* config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
* config/ia64/ (*): Replace "e" constraints with "f".
(movqi_internal): Special case moves from zero.
(movhi_internal, movsi_internal): Likewise.
(movdi_internal): Likewise. Fill out "f" constraints.
(movsf_internal): Fill out "r" constraints.
(movdf_internal): Likewise.
2000-06-13 Richard Henderson <>
* flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
alive before reload.
* haifa-sched.c (struct deps): Add in_post_call_group_p.
(add_dependence): Handle notes between SCHED_GROUP_P insns.
(remove_dependence): Always define.
(set_sched_group_p): New.
(sched_analyze_2): Use it.
(sched_analyze_insn): Don't special-case naked uses. Look for
and extend in_post_call_group_p.
(sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
(init_deps): Clear in_post_call_group_p.
2000-06-13 Richard Henderson <>
* combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
and hard-coded tests.
(simplify_set): Likewise.
(gen_lowpart_for_combine): Likewise.
* emit-rtl.c (gen_lowpart_common): Likewise.
* global.c (find_reg): Likewise.
* local-alloc.c (find_free_reg): Likewise.
* recog.c (register_operand): Likewise.
* regclass.c (init_reg_sets_1): Likewise.
(record_operand_costs, regclass): Likewise.
* reload.c (push_reload): Likewise.
* reload1.c (choose_reload_regs): Likewise.
* flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
* local-alloc.c (struct qty): Rename changes_size to changes_mode.
Update all references.
* regs.h (struct reg_info_def): Likewise.
* tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
* config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
* config/mips/mips.h: Likewise.
* config/pa/pa32-regs.h: Likewise.
* config/pa/pa64-regs.h: Likewise.
* config/rs6000/rs6000.h: Likewise.
* config/sh/sh.h: Likewise.
* config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
* config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
* config/d30v/d30v.h: Likewise.
2000-06-13 J. David Anglin <>
* sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
* configure: Rebuilt.
* Rebuilt.
2000-06-13 Richard Henderson <>
* explow.c (set_mem_attributes): Do nothing for NULL type.
Tue Jun 13 14:45:10 2000 Jeffrey A Law (
* config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2000-06-13 James E. Wilson <>
* config/ia64/ (movxf_internal): Add missing "e" to ldf/stf.
Tue Jun 13 14:05:35 2000 Jeffrey A Law (
* (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2000-06-13 Philipp Thomas <>
* Changed en_UK to en_GB.
* configure: Rebuilt.
2000-06-07 David O'Brien <>
* Adjust FreeBSD bits to match changes to config.guess.
We now default to ELF for the i386, and a.out is the special case.
* configure: Rebuilt.
Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <>
* final.c (final_scan_insn): Delete notes between cc0 setter and
user when restarting from setter.
2000-06-13 J. David Anglin <>
* vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
cast to squelch signed/unsigned warnings.
2000-06-13 Zack Weinberg <>
* cpplib.c (handle_directive): Print non-NUL-terminated string
with %.*s.
2000-06-12 Michael Meissner <>
* ifcvt.c (dead_or_predicable): Don't do conditional execution
path if the machine needs extra support to do conditional
Mon Jun 12 17:04:17 2000 Jeffrey A Law (
* print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
to print the alias set.
* print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2000-06-12 J. David Anglin <>
* config/float-vax.h: Add GFLOAT defines.
Mon Jun 12 9:44:00 2000 Mark Klein <>
* Update tm dependencies for MPE.
* configure: Rebuilt.
2000-06-12 H.J. Lu <>
* gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2000-06-12 David Edelsohn <>
* aix41.h (SUBTARGET_SWITCHES): Delete threads.
(CPP_SPEC): Change mthreads to pthread.
(LIB_SPEC): Likewise.
* aix43.h (SUBTARGET_SWITCHES): Delete threads.
(CPP_SPEC): Change mthreads to pthread.
(LIB_SPEC): Likewise.
* rs6000-protos.h (reg_or_arith_cint_operand): New.
* rs6000.c (reg_or_arith_cint_operand): New.
(num_insns_constant_wide): Decorate unsigned constant.
* rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
* (addsi3): Use new predicate.
(subsi3, adddi3, subdi3): Likewise.
2000-06-12 Mark Mitchell <>
* c-common.c (lang_get_alias_set): Fix typo.
2000-06-12 Richard Earnshaw <>
* flow.c (mark_used_regs): Revert last change.
(life_analysis): Remove PROP_AUTOINC if running after reload.
(propagate_one_insn): PROP_AUTOINC is always off after reload.
2000-06-11 Richard Earnshaw <>
* flow.c (mark_used_regs): Don't call find_auto_inc after reload
has run.
2000-06-11 Kaveh R. Ghazi <>
* bb-reorder.c (build_scope_forest): Initialize variable
* calls.c (expand_call): Likewise for variables
`save_pending_stack_adjust' and `save_stack_pointer_delta'.
* i386.c (function_arg_advance, function_arg): Cast to avoid
signed/unsigned warnings.
* i386.h (MEMORY_MOVE_COST): Likewise.
* ifcvt.c (cond_exec_process_if_block): Initialize variables
`else_start' and `else_end'.
* libgcc2.h (__eh_alloc, __eh_free): Prototype.
* regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2000-06-10 Mark Mitchell <>
* (libintl.a): Depend on intl.all.
2000-06-09 H.J. Lu (
* (c-parse.o): Also depend on output.h.
2000-06-09 Rodney Brown <>
* mcore-protos.h: discards const warning removal.
* mcore.c: discards const warning removal.
2000-06-09 Kazu Hirata <>
* config/h8300/lib1funcs.asm: Declare the machine architecture at
the beginning of the file.
2000-06-09 J. David Anglin <>
* real.h: Add prototype for ldexp.
2000-06-09 Zack Weinberg <>
* ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
it ggc_alloc, drop second argument, never clear returned memory.
* ggc-common.c (ggc_alloc_string): Use ggc_alloc.
(ggc_alloc_cleared): New.
* ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
ggc_alloc_obj. Remove ggc_alloc macro.
(ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
* rtl.c (rtvec_alloc): Clear the vector always.
(rtx_alloc): Clear the first word always. Remove dirty
obstack tricks (this routine is no longer a bottleneck).
* tree.c (make_node): Clear the new node always.
(make_tree_vec): Likewise.
(tree_cons): Clear the common structure always.
(build1): Likewise; also, clear TREE_COMPLEXITY.
* gengenrtl.c: Use puts wherever possible. Remove extra
(gendef): Clear the first word of an RTX in the generator
function, irrespective of ggc_p. Initialize '0' slots to
(genlegend): Don't generate obstack_alloc_rtx routine, just a
thin wrapper macro around obstack_alloc.
* stmt.c (expand_fixup): Use ggc_alloc.
* c-typeck.c (add_pending_init): Use ggc_alloc.
* emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
* varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
const0_rtx when it is created.
(immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
we are not in a function.
* tree.c (tree_class_check_failed): Make second arg an int.
* tree.h: Update prototype.
2000-06-09 Geoff Keating <>
* tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
of an error_mark_node.
Fri Jun 9 20:35:13 2000 Denis Chertykov <>
* config/avr/avr.c (asm_output_section_name): bugfix.
2000-06-09 Jason Merrill <>
* timevar.def: Add TV_EXPAND.
* timevar.c (timevar_print): Update timing information.
* calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
* stmt.c (expand_return): Check for error_mark_node.
2000-06-09 Kaveh R. Ghazi <>
* Also avoid wrapping auto-build.h with IN_GCC.
* (VALUE) Wrap use with double quotes to protect
variable against filename expansion when it contains "char *".
* system.h (SSIZE_MAX): Delete backup definition.
* cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
instead of SSIZE_MAX.
2000-06-09 Jakub Jelinek <>
* Check whether gas supports -relax.
* configure, Rebuilt.
* config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
(EXTRA_SPECS): Add asm_relax.
(ASM_SPEC): Add %(asm_relax).
(TARGET_SWITCHES): Add -mrelax and -mno-relax.
* config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
(LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
(ASM_SPEC): Add %(asm_relax).
* config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
* config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
instead of mov, so that gas can further optimize it.
2000-06-08 James E. Wilson <>
* dwarf2out.c (size_of_die, case dw_val_class_const): Use
(value_format, case dw_val_class_const): Use sdata format.
(output_die): Call output_sleb128.
2000-06-08 James E. Wilson <>
* dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
(output_die, case dw_val_class_unsigned_const): Correct call to
(output_die, case dw_val_class_long_long): Use
* tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
pos is zero.
* config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
(output_function_prologue): Fix mispelling.
(output_function_prologue, output_function_epilogue): Reorder to
match ia64.c definition order.
* config/ia64/ia64.c (ia64_expand_prologue): Add comment.
(ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
Use r3 instead of r2 for large stack restores.
(ia64_output_end_prologue): New function.
(process_set): Emit ".restore sp" for epilogue stack restores.
* config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2000-06-08 Jakub Jelinek <>
* dbxout.c (dbxout_type_fields): Don't segfault on fields with
incomplete types.
2000-06-08 Nathan Sidwell <>
* frame.c (end_fde_sort): Remove extraneous erratic array test.
2000-06-08 Denis Perchine <>
* frame.c (start_fde_sort): Don't malloc (0).
2000-06-07 Zack Weinberg <>
* c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
* print-tree.c (print_node): The transparent_union_flag means
different things for unions and arrays. Do not inspect it
2000-06-06 Jakub Jelinek <>
* cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
returned NULL.
Wed Jun 7 20:34:33 2000 Denis Chertykov <>
* config/avr/avr.c (asm_output_section_name): output section
* config/avr/libgcc.S (.text.libgcc): declare section attributes.
2000-06-06 James E. Wilson <>
* frame.h (struct unwind_info_ptr): Collapse version, flags, and length
fields into header field.
macros to access length, flags, and version info from header field.
* config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
* config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
(__do_global_ctors_aux): Fix caller.
* config/ia64/frame-ia64.c (get_unwind_record): Change parameter
prologue_flag to header. Pass to read_P_record.
(read_P_record): New argument header. Implement P4 format.
Multiply P7_T_SIZE by 16.
(execute_one_ia64_descriptor): New static local region_header. Pass to
get_unwind_record. Copy r to region_header if r is a header record.
(print_all_records): Likewise.
(__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
(__get_personality, __get_except_table): Likewise.
* config/ia64/ia64.c (process_set): Do not divide offsets by 4.
2000-06-06 Philipp Thomas <>
* (AC_C_INLINE): Added.
* aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
* configure: Regenerate.
2000-06-06 Mark Mitchell <>
* c-common.h (c_language_kind): New type.
(c_language): New variab.e
* c-common.c (lang_get_alias_set): Don't put structures in
nonzero alias sets in C++.
* c-decl.c (c_language): Define it.
* c-lex.c (doing_objc_thang): Remove.
* c-tree.h (doing_objc_thang): Make it a macro.
* objc/objc-act.c (lang_decode_option): Set c_language, not
2000-06-06 Gabriel Dos Reis <>
* diagnostic.c (output_maximum_width): Remove.
(doing_line_wrapping): Tweak.
(diagnostic_buffer): New object.
(global_output_buffer): New object.
(output_destroy_prefix): New function.
(default_initialize_buffer): Likewise.
(reshape_diagnostic_buffer): Likewise.
(initialize_diagnostics): Likewise.
(output_clear): Tweak.
(line_wrapper_printf): Adjust call to init_output_buffer.
(vline_wrapper_message_with_location): Likewise. Use
(v_message_with_decl): Likewise.
* diagnostic.h (struct output_buffer): Constify prefix.
(init_output_buffer, output_get_prefix): Constify.
(diagnostic_message_length_per_line): Likewise.
(reshape_diagnostic_buffer): Declare.
(default_initialize_buffer): Declare.
(initialize_diagnostics): Declare.
(diagnostic_buffer): Declare new obbject.
* toplev.c: #include diagnostic.h
(display_help): Document diagnostic formatting options.
(decode_f_option): Handle diagnostic formatting options.
(main): Setup initialization for diagnostic messages outputter.
* toplev.h (set_message_length): Remove.
* (toplev.o): Depends upon diagnostic.h
* invoke.texi : Document diagnostics formatting options.
Tue Jun 6 19:25:32 2000 Philippe De Muyter <>
* (Make the links): Typo fix : the file that must be
included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
* configure: File rebuilt.
2000-06-06 Nathan Sidwell <>
* eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
(eh_context): Add alloc_mask and alloc_buffer emergency fallback
* libgcc2.c (__eh_alloc): Moved from cp/ Fallback on
emergency eh_context buffer, if malloc fails.
(__eh_free): Moved from cp/ Release to emergency
eh_context buffer, if appropriate.
2000-06-06 Jason Merrill <>
* expr.c (store_expr): Fix typo.
2000-06-06 Kaveh R. Ghazi <>
* m68k.c (legitimize_pic_address): Move prototype ...
* m68k-protos.h (legitimize_pic_address): ... here.
* (legitimize_pic_address): Delete prototypes.
(untyped_call): Invoke GEN_CALL(), not gen_call().
* nextstep.c: Include system.h and toplev.h.
(get_directive_line): Don't prototype.
(handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
* nextstep.h (handle_pragma): Prototype.
(SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
objc_section_init ...
Tue Jun 6 08:17:26 2000 Richard Kenner <>
* sdbout.c (struct sdb_file): NAME now const.
(sdbout_init): input_file_name now const.
(sdbout_start_new_source_file): FILENAME now const.
* sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
2000-06-06 Gabriel Dos Reis <>
* c-typeck.c (build_conditional_expr): Handle complex data types.
2000-06-05 Jason Merrill <>
* explow.c (maybe_set_unchanging): New function, broken out from...
(set_mem_attributes): Here.
* expr.h: Declare it.
* stmt.c (expand_decl): Call it.
2000-06-05 Richard Henderson <>
* reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
while looking for a register to inherit from.
2000-06-05 Jason Merrill <>
* (libgcc.ready): Lose.
( Just use mv, not move-if-change.
(LIBGCC_DEPS): New macro.
(libgcc.a): Use it.
(stmp-multilib): Likewise.
* (stmp-dirs): New target. Make everything depend on
it rather than the directories themselves.
(LIB2ADD): Depend on the list file rather than 'force'.
* fold-const.c (fold, case COND_EXPR): Elide conversion between
cv-qualified versions of types.
Mon Jun 5 14:06:18 2000 Richard Kenner <>
* config/sparc/sparc.c (short_branch): Correct error in range
2000-06-05 J. David Anglin <>
* fixinc/inclhack.def: New include hacks for ultrix.
* (nested_ultrix): Replaced by ultrix_nested_svc.
* (ultrix_atof_param): test_text string added.
* (ultrix_ifdef): Modified select string.
2000-06-05 Zack Weinberg <>
* objc/objc-act.c (generate_method_descriptors): Register
objc_method_prototype_template as a GC root.
(comp_method_with_proto): Register function_type as a GC root.
(comp_proto_with_proto): Replace function_type1 and
function_type2 with a two-element array; register it as a GC root.
(generate_protocols, build_protocol_initializer,
generate_protocol_list, build_category_initializer,
build_shared_structure_initializer): Do not cache cast_type
and/or cast_type2.
2000-06-05 J. David Anglin <>
* function.c (assign_parms): Add missing argument to set_mem_attributes
2000-06-05 Nathan Sidwell <>
* tree.h (VOID_TYPE_P): New macro.
* c-decl.c (grokdeclarator): Use VOID_TYPE_P.
(get_parm_info): Likewise.
(store_parm_decls): Likewise.
(combine_parm_decls): Likewise.
(finish_function): Likewise.
* c-typeck.c (build_function_call): Likewise.
(build_binary_op): Likewise.
(build_conditional_expr): Likewise.
(internal_build_compound_expr): Likewise.
(convert_for_assignment): Likewise.
* stmt.c (expend_expr_stmt): Likewise.
(warn_if_unused_value): Likewise.
(expand_return): Likewise.
* (primary): Likewise.
* c-parse.y, c-parse.c, c-parse.h: Regenerate.
* objc/objc-parse.y, objc/objc-parse.c: Regenerate.
Mon Jun 5 06:46:28 2000 Richard Kenner <>
* alias.c (get_alias_set): If compnent is addressable, use alias
set of component.
* c-decl.c (init_decl_processing): Don't call record_component_aliases.
(grokdeclarator): Likewise.
* c-typeck.c (common_type): Likewise.
2000-06-04 Alex Samuel <>
* (OBJS): Remove dyn_string.o
(dyn-string.o): Delete rule.
* dyn-string.c: Delete file
* dyn-string.h: Likewise.
2000-06-04 Kaveh R. Ghazi <>
* (intl.*): Honor nonzero exit codes in the intl
2000-06-03 Geoff Keating <>
* alias.c (record_component_aliases): Don't inspect
DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
Sat Jun 3 19:05:30 2000 Michael Meissner <>
* ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
it with the pattern to do machine dependent work.
(cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
use it to modify the true/false tests used in conditional
defined, invoke them if the conversion to conditional execution
was successful or not.
* tm.texi (IFCVT_MODIFY_TESTS): Document.
Sat Jun 3 15:26:13 2000 Matt Kraai <>
* toplev.c (main): Fix misspellings of possibility and language.
2000-06-03 Richard Henderson <>
* alias.c (record_alias_subset): Initialize has_zero_child in the
2000-06-03 Richard Earnshaw (
* (untyped_call): Use GEN_CALL macro.
2000-06-02 Pekka Nikander <>
* Use $(MAKE) not "make"
Fri Jun 2 19:31:03 2000 Richard Kenner <>
* alias.c (struct alias_set_entry): New field has_zero_child.
(mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
(get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
do nothing.
Call record_component_aliases for aggregate types.
(record_alias_subset): Set has_zero_child.
(record_component_aliases, case ARRAY_TYPE): Do nothing if
(record_component_aliases, case RECORD_TYPE): Test
* c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
* calls.c (initialize_argument_information): Only test
* function.c (assign_parms): Likewise.
* integrate.c (function_cannot_inline_p): Likewise.
* stor-layout.c (finish_record_layout): Don't call
* tree.h (struct tree_int_cst): Use struct tree_common.
(struct tree_real_cst, struct tree_string): Likewise.
(struct tree_complex, struct tree_identifier): Likewise.
(struct tree_list, struct tree_vec, struct tree_exp): Likewise.
(struct tree_block, struct tree_type, struct tree_decl): Likewise.
(struct tree_decl): Reorder bits for clarity of how many left;
add non_adressable.
2000-06-02 Jason Merrill <>
* (libgcc.a): Also depend on $(LIB2ADD).
* (force): New target.
Make LIB2ADD stuff depend on it.
2000-06-02 Richard Henderson <>
* alias.c (lang_get_alias_set): Remove.
(get_alias_set): Call it directly, not indirectly.
* c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
* c-common.h (c_get_alias_set): Don't declare.
* c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
* expr.h (lang_get_alias_set): Declare as function, not pointer.
2000-06-02 Bruce Korb <>
* fixinc/server.c(sig_handler): resume closing server on SIGPIPE
(server_setup): define the server's master pid
(close_server): actually do the deed IFF we are the server's master
2000-06-02 Jakub Jelinek <>
* c-common.c (c_get_alias_set): Check whether signed_type did not
return its argument before calling get_alias_set on the result.
2000-06-02 Andrew MacLeod <>
* expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
Fri Jun 2 00:22:52 2000 J"orn Rennecke <>
* sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
(CONDITIONAL_REGISTER_USAGE): Mac registers are call used
(TARGET_SWITCHES): Add "nomacsave".
2000-06-02 Toshiyasu Morita <>
* (untyped_call): Remove excess parameters
2000-06-01 Loren J. Rittle <>
* fixinc/inclhack.def (osf_namespace_a): Relax expression to
match that used before the conversion to c_fix style.
* fixinc/fixincl.x: regenerate
2000-06-01 Stan Cox <>
macro argument typo.
2000-06-01 Zack Weinberg <>
* cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
error message.
* cpplib.c (parse_include): Remove support for VAX-C
"#include starlet" misfeature.
2000-05-31 Laurynas Biveinis <>
* cppfiles.c: conditionally define O_BINARY.
(open_include_file): pass O_BINARY to open().
2000-06-01 Richard Henderson <>
* i960.c (i960_br_predict_opcode): Remove.
(i960_print_operand) [+]: Emit branch prediction hints.
(i960_function_arg): Return early for VOIDmode.
(i960_round_align): Return early for incomplete types.
* (all conditional branches): Add "%+".
Thu Jun 1 12:24:21 2000 Richard Kenner <>
* alias.c (get_alias_set): Don't call language-specific routine more
than is needed and clean up code a bit.
* c-common.c (c_get_alias_set): All references whose type
is char get alias set 0, but character types need not.
* varasm.c (make_function_rtl): Don't call set_mem_attributes.
(make_decl_rtl): Don't call it for FUNCTION_DECL.
2000-06-01 Bruce Korb <>
* fixinc/tests/base/...: new base result files
Thu Jun 1 09:37:35 2000 Clinton Popetz <>
* config/i386/i386.c (ix86_use_fcomi_compare): Make global.
* config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
* config/i386/ (*fp_jcc_3, *fp_jcc_4): Disable if we
will use FCOMI.
2000-06-01 Richard Henderson <>
* (c-decl.o): Depend on $(EXPR_H), not expr.h.
* c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
2000-05-31 Richard Henderson <>
* config/ia64/ia64.c (sdata_symbolic_operand): Consider small
CONSTANT_POOL_ADDRESS_P addresses for .sdata.
* config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
2000-05-31 Richard Henderson <>
* config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
* config/ia64/ia64.c (ia64_expand_prediction): Move code ...
(ia64_print_operand) [+]: ... here. Use current_output_insn.
* config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
* config/ia64/ (all branch/call patterns): Use %+.
2000-05-31 Richard Henderson <>
* ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
2000-05-31 Richard Henderson <>
* ifcvt.c (merge_if_block): Be prepared for JOIN to have no
remaining edges.
(find_if_block): Allow THEN with no outgoing edges.
* flow.c (merge_blocks_nomove): Remove a barrier not following
a jump as well.
2000-05-31 Richard Henderson <>
* flow.c (propagate_block): Move initialization of mem_set_list ...
(init_propagate_block_info): ... here. Also track blocks with
no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
2000-05-31 Richard Henderson <>
* jump.c (jump_optimize_1): Revert 05-18 change.
2000-05-31 Mark Mitchell <>
* invoke.texi: Remove documentation for -fguiding-decls.
2000-05-31 Richard Henderson <>
* Fix typo last change.
2000-05-31 Philipp Thomas <>
* (enable-nls): Enable if build == host, i.e. when
not building a canadian cross compiler.
(enable-maintainer-mode): Added for use with i18n.
* aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
cross section of ALL_LINGUAS and LINGUAS.
* configure: Rebuild.
2000-05-31 Bruce Korb <>
* fixinc/check.tpl: rework to use test result tree
* fixinc/ change invocation of check script
* fixinc/check.diff: No longer needed
* fixinc/fixincl.x: regenerate
* fixinc/inclhack.def: add new tests
* fixinc/tests/base/arch/i960/archI960.h: New test result
* fixinc/tests/base/curses.h: modified test result
* fixinc/tests/base/stdio.h: ditto
* fixinc/tests/base/time.h: ditto
* fixinc/tests/base/sys/asm.h: ditto
* fixinc/tests/base/sys/stat.h: ditto
* fixinc/tests/base/sys/wait.h: ditto
Wed May 31 13:17:20 2000 Philippe De Muyter <>
* except.c (clear_function_eh_region): Do not free NULL.
Wed May 31 08:07:52 2000 Richard Kenner <>
* (c-decl.o): Depend on rtl.h and expr.h.
* alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
(REG_BASE_VALUE): Remove unneeded cast to unsigned.
(get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
(find_base_decl): New function, from c_find_base_decl in c-common.c.
(new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
(get_alias_set): Likewise.
Major rework to do more things and allow language-specific code
to just handle special-cases.
(record_alias_subset): Args are HOST_WIDE_INT.
(record_component_alias): Local vars are HOST_WIDE_INT.
Don't handle COMPLEX_EXPR.
(get_varargs_alias_set): Moved from builtins.c.
(get_frame_alias_set): New function.
* builtins.c (expand_builtin_return_address): Use frame alias set.
(expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
for setjmp buffer.
(get_memory_rtx): Rework to use set_mem_attributes.
(get_varargs_alias_set): Deleted from here.
* c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
(c_find_base_decl): Deleted from here.
(c_get_alias_set): Remove many cases and rework to just handle
C-specific cases.
* c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
* c-decl.c (rtl.h, expr.h): Now included.
(init_decl_processing): Call record_component_aliases on array types.
(grokdeclarator): Likewise.
Set TREE_ADDRESSABLE for all fields that are not bitfields.
* c-typeck.c (common_type): Call record_component_aliases for array.
* caller-save.c (setup_save_areas): Rework register loop for unsigned.
Set all save areas to the frame alias set.
* calls.c (initialie_argument_information): Call set_mem_attributes.
(compute_argument_addresses, expand_call): Likewise.
* explow.c (set_mem_attributes): New function.
(stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
* expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
(clear_by_pieces): Similar changes.
(move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
(move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
(move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
(clear_by_pieces_1): Likewise.
(emit_push_insn): Call set_mem_attributes.
(expand_expr, case INDIRECT_REF): Likewise.
(expand_expr, case VAR_DECL): Call change_address.
* expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
(get_varargs_alias_set, get_frame_alias_set): New decls.
(record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
(new_alias_set, set_mem_attributes): Likewse.
* function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
(assign_stack_temp_for_type): Likewise.
Can split slot even if alias set since can copy.
(assign_temp): Use host_integerp and tree_low_cst.
(put_var_into_stack): Properly handle SAVE_EXPR.
(put_addressof_into_stack): Likewise.
(assign_parms): Call set_mem_attributes.
Delete #if 0 code.
(fix_lexical_address): Put reference to chain into frame alias set.
(expand_function_start): Call set_mem_attributes.
* integrate.c (expand_inline_function): Likewise.
* recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
* regmove.c (try_apply_stack_adjustment): Likewise.
* reload.c (push_reload, make_memloc): Likewise.
* reload1.c (alter_reg): Make alias sets for spilled pseudos.
* rtl.def (MEM): Update comment.
* rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
(move_by_pieces): Change length to HOST_WIDE_INT.
(record_base_value, record_alias_subset): Delete from here.
* stmt.c (expand_decl): Call set_mem_attributes.
* stor-layout.c (finish_record_layout): Call record_component_aliases.i
* toplev.c (compile_file): Call init_alias_once earlier.
* tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
from here: now in alias.c.
* tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
(struct tree_decl): Likewise.
(get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
* varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
(output_constant_def, force_const_mem): Likewise.
* flow.c (propagate_block): If block has no successors, stores to
frame are dead if not used.
2000-05-31 Nathan Sidwell <>
* stmt (expand_end_case): Reorder conversion sequence for jump
table to avoid extra truncations.
Wed May 31 01:31:42 2000 Jeffrey A Law (
* ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
in the block is more than just a simple conditional branch.
(noce_process_if_block): Similarly.
Tue May 30 22:25:57 2000 Alexandre Oliva <>
* optabs.c (prepare_float_lib_cmp): Protect *px and *py from
2000-05-30 Michael Meissner <>
* dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
instructions. Treat LO_SUM operations as loading the full integer
2000-05-30 Richard Henderson <>
* combine.c (get_pos_from_mask): Test exact_log2 result as signed.
2000-05-30 Richard Henderson <>
* bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
2000-05-30 Bruce Korb <>
* fixinc/tests/*: Added expected result files for fixinc's make check
* fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
2000-05-30 Richard Henderson <>
* config/alpha/ (*setne_internal): Use match_operator
instead of working down from insn.
2000-05-30 Kaveh R. Ghazi <>
* invoke.texi (-Wtraditional): Update WRT function macros.
Tue May 30 09:57:32 2000 Philippe De Muyter <>
* except.c (free_exception_table): Do not free NULL.
2000-05-29 Zack Weinberg <>
* cpplib.c (do_if): Don't save and restore only_seen_white here.
* cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
and skipping here.
2000-05-29 Richard Earnshaw (
* flow.c (mark_used_reg): If a register is unconditionally live,
remove any conditional death information.
2000-05-29 Richard Henderson <>
* final.c (current_output_insn): New.
(final_scan_insn): Set it.
* output.h: Declare it.
2000-05-29 Richard Henderson <>
* stor-layout.c (finalize_record_size): Fix typo.
* jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
if nlabel is null.
2000-05-29 Zack Weinberg <>
* cpplib.h (cpp_reader): Remove if_stack. Change
potential_control_macro to a cpp_hashnode *. Add skipping flag.
* cpphash.h (struct ihash): Change control_macro to a
cpp_hashnode * and shorten name to cmacro.
* cppfiles.c (redundant_include_p): Drop cpp_reader argument.
Examine the cmacro node directly, no need to call cpp_defined.
(_cpp_execute_include, read_include_file): Set cmacro to
* cpplex.c (cpp_push_buffer): Don't set new->if_stack.
(cpp_get_token): If pfile->skipping is true, discard text and
keep scanning until we hit a directive; don't expand macros.
* cpplib.c (struct if_stack): Remove if_succeeded, add
was_skipping. Change control_macro to a cpp_hashnode * and
shorten name to cmacro. Remove typedef IF_STACK.
(parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
(conditional_skip, skip_if_group,
consider_directive_while_skipping): Delete.
(push_conditional): New.
(_cpp_handle_directive): Don't process directives other than
conditionals if we are skipping.
(do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
Update to new scheme.
(validate_else): Skip rest of line here, unconditionally.
(_cpp_unwind_if_stack): The stack is per-buffer. Force
pfile->skipping off.
(all): Remove `scare quotes' from error messages.
2000-05-29 Richard Henderson <>
* function.c (emit_return_into_block): New line_note arg; emit it.
(thread_prologue_and_epilogue_insns): Attempt to locate a line note
for the close brace to accompany HAVE_return. Move all line notes
following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
2000-05-29 Richard Henderson <>
* longlong.h [__alpha] (count_leading_zeros): New.
(count_trailing_zeros): New.
* config/alpha/alpha.c (alpha_zero_comparison_operator): New.
(alpha_split_conditional_move): New.
* config/alpha/alpha-protos.h: Prototype them.
* config/alpha/alpha.h (PREDICATE_CODES): Update.
(CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
* config/alpha/ Update ffs cix commentary.
(*ze_and_ne): New.
(*nabssf2, *nabsdf2): New.
(*mov[qhsd]icc_internal): Use add_operand.
(if_then_else constant splitters): New.
(*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
(*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
2000-05-29 Richard Henderson <>
* combine.c (force_to_mode) [MINUS]: Convert subtraction from
a constant to NEG or NOT when conditions allow.
* combine.c (combine_simplify_rtx): Don't create an if_then_else
unless both args are general_operand. Don't canonicalize plus
to ior unless it helps.
* toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
instead track register_life_up_to_date. Toggle no_new_pseudos
around if_convert.
2000-05-28 Geoff Keating <>
* config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
so output_operand doesn't see them.
Sun May 28 18:37:07 2000 Clinton Popetz <>
* lcm.c (make_preds_opaque): Fix comment.
(optimize_mode_switching): Use NORMAL_MODE instead of
MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
* sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
(MODE_NEEDED): Don't look for USE.
Sun May 28 23:26:59 2000 Philippe De Muyter <>
* (all): Variable initialized to `libgcc'.
2000-05-28 Gabriel Dos Reis <>
* toplev.h (skip_leading_substring): New macro.
* toplev.c (decode_f_option): Use skip_leading_substring instead
of strncmp.
(decode_W_option): Likewise.
2000-05-28 Nick Clifton <>
* tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
modify reg_names.
2000-05-28 Richard Henderson <>
* regclass.c (record_operand_costs): Protect reg_changes_size
* loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
2000-05-28 Richard Henderson <>
* function.c (diddle_return_value): A pcc-style struct return
returns a pointer.
2000-05-27 Zack Weinberg <>
* cppfiles.c: Read files in, using mmap if possible, then
prescan them separately.
(read_file, read_with_read): New functions.
* cpplex.c: Don't define UCHAR_MAX.
(_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
the file here.
* cppinit.c (handle_option): Automatically define __cplusplus,
__OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
the respective -lang switch.
* cpphash.h (enum node_type, struct hashnode, _cpp_lookup
prototype): Move to...
* cpplib.h: ... here. Rename struct hashnode to struct
cpp_hashnode and give it a typedef. Rename _cpp_lookup to
cpp_lookup. Add 'fe_value' slot, a union tree_node *.
2000-05-27 Geoffrey Keating <>
* config/rs6000/ (movsi): Constify 'name'.
(class_can_change_size): New variable.
(reg_changes_size): New variable.
(init_reg_sets_1): Initialize class_can_change_size.
(record_operand_costs): Remove subreg_changes_size.
Don't pass it around. Instead update reg_changes_size.
(regclass): Initialize and free reg_changes_size. If a register
changes size, don't preference it to a class that contains
registers that can't change size.
(record_reg_classes): Don't look at subreg_changes_size.
2000-05-27 Richard Henderson <>
* print-rtl.c (reg_names): Remove const.
* regclass.c (reg_names): Likewise.
* regs.h (reg_names): Likewise.
* hard-reg-set.h (reg_names): Likewise.
2000-05-27 Richard Henderson <>
* config/rs6000/ (untyped_call): Use GEN_CALL.
2000-05-27 Richard Henderson <>
* config/alpha/alpha.c (alpha_does_function_need_gp): Test
TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
(alpha_expand_prologue): Emit prologue_mcount if needed.
* config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
* config/alpha/ (prologue_mcount): New.
* config/alpha/linux.h (FUNCTION_PROFILER): Remove.
(TARGET_PROFILING_NEEDS_GP): Undef before redefining.
* config/alpha/netbsd.h: Likewise.
2000-05-27 Richard Henderson <>
* config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
change to config/elfos.h.
2000-05-27 Richard Henderson <>
* (resource.o): Depend on except.h.
* except.h (output_exception_table_data): Prototype.
* genconfig.c (gen_peephole2): Prototype.
* genemit.c (main): Include ggc.h.
* genoutput.c: Revert parts of last change: include errors.h
(main): Set progname.
* recog.c: Include hard-reg-set.h before recog.h.
* resource.c: Include except.h.
* config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
with RTX_CODE.
(alpha_write_linkage): Protect with BUFSIZ.
(alpha_need_linkage): Update prototype.
* config/alpha/alpha.c (function_arg): Move VMS code here.
(alpha_links_base): Remove.
(alpha_links): New.
(mark_alpha_links_node, mark_alpha_links): New.
(alpha_write_one_linkage): New.
(alpha_need_linkage): Use a splay tree. Build the linkage symbol.
(alpha_write_linkage): Use splay_tree_foreach.
* config/alpha/ (call_vms): Use alpha_need_linkage
to get the linkage symbol.
(call_value_vms): Likewise.
* config/alpha/elf.h (output_file_directive): Remove decl.
(ctors_section, dtors_section): Prototype.
(sbss_section, sdata_section): Prototype.
* config/alpha/vms.h (FUNCTION_ARG): Remove.
(readonly_section, link_section, literals_section): Prototype.
(ctors_section, dtors_section): Prototype.
(vms_valid_decl_attribute_p): Remove decl.
(alpha_arg_type, alpha_arg_info_reg_val): Likewise.
2000-05-27 Geoff Keating <>
* reload.c (get_secondary_mem): Don't widen floating-point modes.
* combine.c (subst): Honor CLASS_CANNOT_CHANGE_SIZE when
substituting the REG in a (subreg:X (reg:Y ...)).
2000-05-28 Neil Booth <>
* cpplex.c (_cpp_lex_line): Merge vertical space. Flag
first token of a line BOL. Update EOF code for this.
Remove illegal directive check - it appears in the (not
yet committed) caller.
* cpplib.h (BOL): New flag.
2000-05-28 Neil Booth <>
* cpplex.c (_cpp_init_toklist): No comment space to initialize.
(_cpp_free_toklist): No comment space to free.
(expand_comment_space): Remove.
(save_comment_space): Place the comment in the current token and
not in a separate comment space.
(_cpp_lex_line): Save comments during plain code and #define
directives only.
* cpplib.h (struct _cpp_toklist): Remove comment space.
2000-05-28 Neil Booth <>
* cppexp.c (parse_assertion): Supply extra argument to
* cpplib.c (do_assert, do_unassert): Similarly.
* cpphash.h (_cpp_init_toklist) Update.
(_cpp_expand_token_space): New.
* cpplex.c (_cpp_init_toklist): New argument.
(parse_string2): New argument multiline_ok.
(spell_token): Take a const cpp_token *.
(INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
(SPELL_ macros): Replace with enum.
(expand_token_space): Replace with _cpp_expand_token_space.
Take COUNT argument.
(_cpp_lex_line): Update token structure before parsing number.
Don't assume start at beginning of token list.
(save_comment): Use INIT_TOKEN_NAME.
2000-05-27 Zack Weinberg <>
* (stage1_warn_cflags): Add -Wstrict-prototypes
* configure: Regenerate.
* gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
* builtins.c, calls.c: Change all instances of gen_call_* or
gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
* calls.c (struct_value_size_rtx): Separate definition from
initialization to avoid unused variable warning.
* genflags.c (gen_macro): New function.
(gen_proto): Call it for gen_call_* and gen_sibcall_*.
(gen_nonproto): Delete.
(gen_insn): Put all insns on the same obstack.
(main): Generate prototypes for everything unconditionally.
* Add AC_CHECK_TYPE(ssize_t). Remove commented
out check for wchar_t.
* acconfig.h: Add template for ssize_t. Remove @TOP@.
* system.h: Add infrastructure for defining missing
TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
definitions of UCHAR_MAX and SSIZE_MAX.
* configure: Regenerate.
* Regenerate.
* (libgcc2.ready): Rename to libgcc.ready.
Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
(clean): No need to delete libgcc1.a, libgcc1-asm.a,
libgcc2.a, or libgcc1.null.
2000-05-27 Richard Henderson <>
* (recog.o): Don't depend on resource.h.
* recog.c: Don't include resource.h.
(recog_last_allowed_insn): Remove.
(recog_next_insn): Remove.
(struct peep2_insn_data): New.
(peep2_insn_data, peep2_current): New.
(peep2_next_insn): New.
(peep2_regno_dead_p, peep2_reg_dead_p): New.
(peep2_find_free_register): New.
(peephole2_optimize): Track life information by insn as we go.
* recog.h: Update declarations.
* resource.c (find_free_register, reg_dead_p): Remove.
* resource.h: Remove their declarations.
* toplev.c: Include hard-reg-set.h before recog.h.
* genconfig.c (max_insns_per_peep2): New.
(gen_peephole2): New.
(main): Call it.
* genemit.c (output_peephole2_scratches): Generate calls to
peep2_find_free_register; adjust surrounding code.
(main): Have insn-emit.c include hard-reg-set.h before recog.h.
* genrecog.c (change_state): Don't track last_insn.
(write_action): Write into *_pmatch_len before accepting.
(write_tree): Adjust peephole2_insns and subroutines to match.
* config/i386/ (all peepholes): Use peep2_regno_dead_p.
* config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
(hard_int_register_operand): New.
* config/alpha/alpha-protos.h: Declare it.
* config/alpha/alpha.h (PREDICATE_CODES): Update.
* config/alpha/ (peep2 patterns): Use hard_int_register_operand
as needed; use peep2_reg_dead_p instead of dead_or_set_p.
2000-05-27 Richard Henderson <>
* function.c (thread_prologue_epilogue_insns): Don't move the
line note at the head of the chain. Only force a lineno note
before the end of block 0.
2000-05-27 Richard Henderson <>
* gensupport.c (collect_insn_data): Record the maximum number
of alternatives, not the last seen.
* genoutput.c: Don't include errors.h.
(struct data): Add lineno member.
(have_error): New.
(scan_operands): Use message_with_line instead of error.
(validate_insn_alternatives): Likewise.
(gen_insn): Accept and store the pattern's line number.
(gen_peephole, gen_expand, gen_split): Likewise.
(main): Don't set progname. Pass line_no to gen_foo.
2000-05-27 Richard Henderson <>
* config/d30v/d30v.c (d30v_print_operand): Handle ':'.
* config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
* config/d30v/ (attr predicable): New.
(all insn patterns): Mark non-predicable patterns; use %: on the rest.
(andsi3*): Unify into one pattern.
(iorsi3*, xorsi3*): Likewise.
(peephole2 patterns): Use peep2_reg_dead_p; verify not a
conditional return.
(old cond_exec patterns): Remove.
(define_cond_exec): New.
Sat May 27 11:01:27 2000 Richard Kenner <>
* tree.h (TREE_CODE_LENGTH): New macro.
* c-common.c (c_find_base_decl): Use it.
* expr.c (safe_from_p): Likewise.
* print-tree.c (print_node): Likewise.
* tree.c (make_node, copy_node, get_identifier): Likewie.
(first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
(build, build_nt, build_parse_node, simple_cst_equal): Likewise.
* fold-const.c (make_range): Likewise.
(fold): Likewise; also use first_rtl_op.
* c-iterate.c (collect_iterators): Use first_rtl_op.
* calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
(preexpand_calls): Likewise.
* ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
* stmt.c (warn_if_unused_value): If no operands, no unused value.
2000-05-26 Geoffrey Keating <>
* config/rs6000/ (movsi_internal1): Use '%a1' rather
than '%1(%*)'.
(movdi_internal64): Likewise.
* config/rs6000/ Correct order of operands for DImode
boolean patterns.
* config/rs6000/rs6000.c (boolean_or_operator): New function.
* config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
* config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
* config/rs6000/ Use boolean_or_operator instead of
boolean_operator for the boolean patterns without NOTs.
* config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
from reg_or_u_cint_operand. Change comment and behavior.
(logical_operand): Clean up, add assertion.
(non_logical_cint_operand): Also check for
* config/rs6000/rs6000.h (PREDICATE_CODES): Update.
* config/rs6000/ (iorsi3): Use reg_or_logical_cint_operand
in the expander.
(xorsi3): Likewise.
(iordi3): Likewise.
(xordi3): Likewise.
2000-05-26 Mark Mitchell <>
* tree.h (struct record_layout_info): Rename to (struct
* stor-layout.c (start_record_layout): Replace
`record_layout_info' with `record_layout_info_s'.
2000-05-26 Richard Earnshaw <>
* flow.c (find_label_refs): New function.
(find_basic_blocks_1): Call it for each alternative of a call
2000-05-26 Richard Earnshaw <>
* ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
of get_pc.
2000-05-25 Richard Henderson <>
* config/alpha/alpha.c (alpha_comparison_operator): Don't be
so strict about DImode.
(alpha_swapped_comparison_operator): Likewise.
* config/alpha/ (*setne_internal): Name it. Allow
any integer output mode.
(*setcc_internal): Likewise.
(*setcc_swapped_internal): Likewise.
(*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
(*mov[qhs]icc_internal): New.
(*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
2000-05-25 J. David Anglin <>
* vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
2000-05-25 Richard Henderson <>
* bb-reorder.c (reorder_block_def): Reorder elements for size.
Remove add_jump; add next; replace flags with visited.
(rbd_init): Remove.
(RBI): New.
(reorder_index, reorder_last_visited): Remove.
(skip_insns_after_block): Rewrite to use a switch.
(get_common_dest): Remove.
(chain_reorder_blocks): Remove.
(record_effective_endpoints): Split out from reorder_basic_blocks.
(make_reorder_chain): Likewise. Loop until all blocks are placed.
(make_reorder_chain_1): Renamed from old make_reorder_chain.
Only construct the reorder chain, do not move insns. Try harder
to tail recurse.
(label_for_bb, emit_jump_to_block_after): New.
(fixup_reorder_chain): Use them. Do bulk block movement. Examine
and adjust the jump insns appropriately. Fixup basic_block_info.
(verify_insn_chain): Always define.
(relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
in allocation size.
(make_new_scope): Don't write zeros to calloc'd space.
(build_scope_forest): Rely on xrealloc to DTRT.
(reorder_basic_blocks): Don't build loop nest. Don't fail if
profile_arc_flag. Streamline EH test.
* flow.c (redirect_edge_succ, redirect_edge_pred): New.
* basic-block.h: Declare them.
2000-05-25 Alexandre Oliva <>
* emit-rtl.c (reset_used_decls): New function.
(unshare_all_rtl_again): Call it.
2000-05-25 Zack Weinberg <>
* cpplex.c (maybe_macroexpand): Warn about function-like
macros used in non-function context, if -Wtraditional.
2000-05-25 Mark Mitchell <>
* recog.c (peephole2_optimize): Use INSN_P.
2000-05-25 Richard Henderson <>
* ifcvt.c (seq_contains_jump): New.
(noce_try_store_flag_constants): Use it to fail conversion.
(noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
2000-05-25 Mark Mitchell <>
* except.h (can_throw): Declare it.
* except.c (can_throw): Give it external linkage.
* resource.c (find_dead_or_set_registers): Use can_throw.
2000-05-25 Richard Henderson <>
* flow.c (mark_set_1): Don't record conditionally dead memory.
2000-05-25 Jan Hubicka <>
* combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
and pc_set at the place of simplejump_p and condjump_p.
* cse.c (record_jump_equiv): Likewise.
* emit-rtl.c (emit): Likewise.
* explow.c (find_next_ref): Likewise.
* flow.c (tidy_fallthru_edge): Likewise.
(init_propagate_block_info): Likewise.
* gcse.c (delete_null_pointer_checks): Likewise.
* ifcvt.c (cond_exec_get_condition, noce_get_condition,
dead_or_predicable): Likewise.
* integrate.c (copy_insn_list): Likewise.
* loop.c (scan_loop, verify_dominator, find_and_verify_loops,
for_each_insn_in_loop, check_dbra_loop, get_condition,
insert_bct, load_mems): Likewise.
* resource.c (find_dead_or_set_registers): Likewise.
* sibcalls.c (simplejump_p): Likewise.
* unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
2000-05-25 David Edelsohn <>
* rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
to STRING case. Use doubleword STRING move for TARGET_POWERPC64
when unaligned.
* rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
(RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
* Name various internal patterns.
2000-05-25 Jan Hubicka <>
* jump.c (invert_exp_1): Remove first argument, use pc_set
to get the expression.
(redirect_exp): Make static; redirect only the pc_set expression,
remove first argument.
(invert_exp): Remove first argument, make static.
(jump_optimize): Use any_condjump_p, any_uncondjump_p and
any_onlyjump at most places where we originaly did condjump_p
and simplejump_p.
(jump_back_p, follow_jumps, thread_jumps): Likewise.
(delete_barrier_succesors): Use pc_set.
(invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
calls of invert_exp and redirect_exp.
* rtl.h (redirect_exp, invert_exp): Remove.
* unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
2000-05-25 Richard Henderson <>
* stmt.c (expand_end_bindings): Fix thinko last change.
2000-05-25 Andrew MacLeod <>
Andrew Haley <>
* except.c (func_eh_entry): Add emitted field.
(new_eh_region_entry): Set emitted field to 0;
(output_exception_table_entry): Only emit previously un-emitted data,
and send it to the eh_data section.
(output_exception_table): Break out common parts. Output
exception table for entire compilation unit to eh_data section.
(output_exception_table_data): Common parts of output_exception_table.
Send output to eh_data section.
(output_function_exception_table): Output exception table data for
a single function to eh_data section.
(free_exception_table): New external to free the table.
* except.h (free_exception_table): Add prototype.
(output_function_exception_table): Add prototype.
* final.c (final_end_function): Output function exception table
(final_scan_insn): Emit any unwind directives for an insn.
* frame-dwarf2.c: New file containing all DWARF 2 specific code
from frame.c.
* frame.c: Remove all DWARF 2 specific code.
* config/ia64/frame-ia64.c: New file.
(gthread_stuff): Make all gthread available with
(dwarf_fde): Define an IA64 struct for dwarf_fde.
(__register_frame_info, __register_frame): Move to common area of file.
(__register_frame_info_table, __register_frame_table): Move to common i
(__deregister_frame_info, __deregister_frame): Move to common area.
(__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
(read_uleb128): New version for ia64.
(get_unwind_record): Read the next IA-64 unwind record.
(read_R_record): Read a region header record.
(process_a_b_reg_code): X record helper.
(read_X_record): Read an X format record.
(read_B_record): Read a B format record.
(P3_record_types): List of record types matching the P3 format.
(P7_record_types): List of record types matching the P7 format.
(P8_record_types): List of record types matching the P8 format.
(read_P_record): Read a P format record.
(init_ia64_reg_loc): Set default fields for a register.
(init_ia64_unwind_frame): Set defaults for all register records.
(execute_one_ia64_descriptor): Execute one descriptor record.
(rse_address_add): Calculate the position of a local reg in memory.
(normalize_reg_loc): Turn a location descriptor into a memory address.
(maybe_normalize_reg_loc): Only normalize a descriptor if it falls
within a specified PC offset range.
(get_real_reg_value): Given a register location, retrieve its value.
(set_real_reg_value): Change the value of a register location.
(copy_reg_value): Copy reg values, if needed.
(copy_saved_reg_state): Copy all registers that need to be copied.
(process_state_between): Normalize all frame register records that
fall within the specified PC range.
(frame_translate): Take a processed frame description, and turn
everything into addresses.
(build_ia64_frame_state ): Find and create frame state record for a PC.
(get_personality): Get the personality routine for a given frame.
(get_except_table): Get the exception table for a given frame.
(record_name): Unwind record names for debugging.
(print_record): Print and unwind record.
(print_all_records): Print an entire unwind image.
(__ia64_backtrace): Print a backtrace.
(ia64_backtrace_helper): New function.
(__register_frame_info_aux): New function.
* config/ia64/crtend.asm (__do_frame_setup_aux): New function.
* frame.h (enum unw_record_type): New unwind record types.
(struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
(struct unw_r_record, unwind_record): New unwind record structs.
(struct unwind_info_ptr): Unwind information layout.
(IA64_UNW_LOC_TYPE_*): Macros for different types for location
(struct ia64_reg_loc): Register location description.
(struct ia64_frame_state): Location of all registers in a frame.
(struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
* libgcc2.c (__ia64_personality_v1): Personality routine.
(__calc_caller_bsp): Calculate the bsp register for the caller's
(ia64_throw_helper): Figure out who to return to and set up the
(__throw): Throw routine.
* output.h (assemble_eh_align, assemble_eh_label): New functions
to generate EH info where we want it.
(assemble_eh_integer): New function.
* toplev.c (compile_file): Output module level exception table for
non-ia64 targets.
(main): Set exceptions_via_longjump and flag_new_exceptions based
on IA64_UNWIND_INFO too.
* varasm.c (assemble_eh_label): Generate a label via
ASM_OUTPUT_EH_LABEL if it has been specified.
(assemble_eh_align): Generate an alignment directive via
ASM_OUTPUT_EH_ALIGN if it has been specified.
(assemble_eh_label): Generate an integer value via
ASM_OUTPUT_EH_type if they have been specified.
* config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
(ia64_init_builtins): Add __builtin_ia64_bsp
and __builtin_ia64_flushrs.
(ia64_expand_builtin): Add IA64_BUILTIN_BSP and
* config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
* config/ia64/ (flushrs): New insn to flush the register
stack. Add to unspec list.
* config/ia64/crtbegin.asm (frame_object): Change size.
(__do_frame_setup_aux): New function.
* config/ia64/crtend.asm: call __do_frame_setup_aux.
* config/ia64/t-ia64 (LIB2ADDEH): Add.
* (LIB2ADDEH): Add.
2000-05-24 Richard Henderson <>
* recog.c (offsettable_address_p): If mode size is zero, assume
2000-05-24 J. David Anglin <>
* Check for -Wno-long-long option support and improve
handling of warning CFLAGS for stages 1 and 2.
* (WARN_CFLAGS): Move definition to
* configure: Regenerate.
Wed May 24 19:37:53 2000 Jeffrey A Law (
* gcc.texi: Remove contributor list. Instead include contrib.texi.
* contrib.texi: New file.
Thu May 25 02:27:22 2000 J"orn Rennecke <>
* loop.c (basic_induction_var): Avoid double recording of an increment.
Thu May 25 02:19:27 2000 J"orn Rennecke <>
* Back out this patch:
Tue Dec 7 19:22:06 1999 Richard Henderson <>
* loop.h (struct induction): Add multi_insn_incr.
* loop.c (basic_induction_var): New multi_insn_incr argument.
Set it if we search back through previous insns for the biv.
(record_biv): New multi_insn_incr argument; fill in struct induction.
(strength_reduce): Discard an iv with multiple bivs, any of
which require multiple insns to increment.
* loop.c (check_insn_for_bivs): Remove bits copied from above patch.
Thu May 25 02:09:10 2000 J"orn Rennecke <>
* rtl.h (loc_mentioned_in_p): Declare.
* reload.c (loc_mentioned_in_p): Moved from here...
* rtlanal.c (loc_mentioned_in_p): to here. No longer static.
Fix loop increment for 'E' handling.
* loop.c (strength_reduce): When doing biv->giv conversion,
take multi-insn biv increments into account.
2000-05-24 Jason Merrill <>
* stmt.c (expand_end_bindings): Look through NOTEs to find a
2000-05-24 Mark Mitchell <>
* calls.c (expand_call): Handle cleanups in tail-recursion
arguments analogously to cleanups in sibling calls.
2000-05-24 Kaveh R. Ghazi <>
* simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
All callers changed.
2000-05-24 Alexandre Oliva <>
* expr.c (expand_assignment, store_expr, expand_expr,
expand_expr_unaligned): Set in_check_memory_usage while emitting
chkr_check_addr libcall.
2000-05-24 Nick Clifton <>
* fold-const.c (extract_muldiv): When constructing a
multiplier/divisor, do not expect const_binop to correctly
determine if overflow has occurred, so check explicitly.
2000-05-24 Alexandre Oliva <>
* c-decl.c (build_enumerator): Don't modify the value's type,
convert it.
2000-05-24 Andreas Jaeger <>
* mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
2000-05-24 Eric Christopher <>
* Redefine inhibit_libc conditions.
* libgcc2.c: Remove inhibit_libc conditional define.
* configure: Regenerate.
2000-05-24 Phil Edwards <>
* For --enable-languages=LIST, check for empty LIST.
* configure: Regenerate.
2000-05-24 Lars Brinkhoff <>
* pdp11.h (STACK_BOUNDARY): Define.
2000-05-24 Jakub Jelinek <>
* ifcvt.c (if_convert): Update life info globally.
2000-05-24 Alexandre Oliva <>
* emit-rtl.c (unshare_all_decls): New function.
(unshare_all_rtl): Call it.
2000-05-23 Nick Clifton <>
* Treat 'strongarm' as if it were 'arm' when
determining cpu type.
* configure: Regenerate.
* config/arm/arm.c: Change 'char *' to 'const char *' for cases
where constant strings are involved.
* config/arm/arm.h (arm_condition_codes): Change type to 'const
char *'.
* config/arm/arm-protos.h: Change 'char *' to 'const char *' for
cases where constant strings are involved.
Tue May 23 15:08:31 2000 Clinton Popetz <>
* config/sh/sh.c (gen_far_branch, split_branches): Update
to reflect new prototypes for redirect_jump and invert_jump.
(sh_insn_length_adjustment): Get rid of const warnings.
2000-05-23 Kazu Hirata <>
* invoke.texi (Options for Debugging Your Program or GCC): Update
the names of dump files.
Tue May 23 13:58:52 2000 Philippe De Muyter <>
* (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
* configure: Regenerated.
2000-05-23 Zack Weinberg <>
* simplify-rtx.c (SIGN_EXTEND): New macro.
(simplify_unary_operation, simplify_binary_operation,
simplify_relational_operation): Use SIGN_EXTEND. Make low
halves of (low, high) pairs unsigned if they weren't already.
(simplify_ternary_operation): Cast INTVAL to unsigned before
comparing to a MODE_BITSIZE.
2000-05-23 Kaveh R. Ghazi <>
* aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
* (gcc_AC_CHECK_DECLS): Call this instead of
* dwarfout.c: Don't prototype time().
* gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
* system.h: Likewise.
* toplev.c: Likewise.
2000-05-23 Zack Weinberg <>
* c-decl.c (pushdecl): Invert sense of test for non-global types.
Tue May 23 18:11:42 2000 J"orn Rennecke <>
* reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
2000-05-23 Jonathan Larmour <>
* config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
Tue May 23 06:50:29 2000 Richard Kenner <>
* config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
(alpha_start_function): Never write label if VMS or NT.
(alpha_align_insns): Remove GP_IN_USE arg.
Alignment now unsigned.
(alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
* config/alpha/ (prologue_ldgp): Split into one define_expand
and two define_insn's.
2000-05-22 Richard Henderson <>
* combine.c (simplify_comparison): Use trunc_int_for_mode.
2000-05-22 Richard Henderson <>
* stor-layout.c (place_field): Change rli->size to rli->offset.
2000-05-22 Richard Henderson <>
* function.c (thread_prologue_and_epilogue_insns): Make sure
existing line number notes appear after the prologue.
Mon May 22 21:49:00 2000 Richard Kenner <>
* config/alpha/alpha.c (alpha_fnname): New static variable.
(print_operand, case '~'): New case.
(alpha_expand_prologue): Emit prologue_ldgp insn if needed.
(alpha_start_function): Set alpha_fnname.
Write "ng" label if no ldgp; don't write ldgp insn.
* config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
* config/alpha/ (prologue_ldgp): New define_insn.
Mon May 22 11:30:48 2000 Clinton Popetz <>
* jump.c (jump_optimize_1): Don't increment LABEL_NUSES
on deleted labels.
2000-05-22 Zack Weinberg <>
* varasm.c (eh_frame_section): Revert change to argument list.
Mon May 22 13:14:03 2000 Richard Kenner <>
* optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
(gen_extend_insn, can_fix_p, can_float_p): Likewise.
* final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
dangling "else" that causes "break" to be conditional.
Also remove unneeded code at start.
Mon May 22 17:31:35 2000 Philippe De Muyter <>
* m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
* fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
* gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
2000-05-22 Jakub Jelinek <>
* config/sparc/ (movdf_insn_v9only_vis): fzero has
just one argument.
Mon May 22 06:57:49 2000 Richard Kenner <>
* alias.c (record_component_aliases): New function.
* tree.h: Clean up some declarations and comments.
(record_component_aliases): New declaration.
* tree.c (get_alias_set): If type and has alias set, use it.
2000-05-22 Richard Henderson <>
* simplify-rtx.c (simplify_ternary_operation): Try to simplify
IF_THEN_ELSE to a setcc form.
* jump.c (can_reverse_comparison_p): Be prepared for insn null.
2000-05-21 Kaveh R. Ghazi <>
* fixinc/inclhack.def (sun_malloc): Handle `calloc'.
(sun_malloc, sysz_stdtypes_for_sun): Add test_text.
Sun May 21 16:42:31 2000 Richard Kenner <>
* combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
2000-05-20 Alexandre Oliva <>
* config/mn10300/ (movdi, movdf): 64-bit clean-up.
* config/mn10300/mn10300.c (print_operand): Likewise.
* final.c (split_double): Right shift of negative values is not
* ifcvt.c (if_convert): Scan and kill dead code.
* emit-rtl.c (unshare_all_rtl): Store the copied rtx.
2000-05-20 Zack Weinberg <>
* diagnostic.c: Eliminate implicit int.
* except.c, gcc.c: Add static prototypes.
* final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
* gensupport.c (process_rtx): Use XVEC to initialize vector
slot of 'split'.
* print-rtl.c: If DEBUG_REGISTER_NAMES, define static
debug_reg_names instead of static reg_names. If not, define
global reg_names.
* regclass.c: Don't define global reg_names unless
* reload1.c (order_regs_for_reload): Remove unused variable.
* varasm.c: Include output.h after defaults.h. Define
eh_frame_section as function of no args, not of unspecified args.
* gcc.c: Constify argbuf; arguments to store_arg,
process_command, main; elements of struct command and struct
switchstr; local variables in execute, process_command, main.
2000-05-20 Bruce Korb <>
* fixinc/inclhack.def: many applications of c_fix=format + tests
* fixinc/check.diff: regenerated
* fixinc/fixincl.x: regenerated
Sat May 20 09:30:55 2000 Richard Kenner <>
* alias.c: Clarify some comments.
(record_base_value): REGNO is unsigned.
* rtl.h (record_base_value): Likewise.
* alias.c (aliases_everything_p): Don't special-case QImode here.
* c-common.c (c_get_alias_set): Do it here.
Handle BIT_FIELD_REF by getting alias info for arg.
2000-05-20 Alexandre Oliva <>
* Restore rule to create ${dir}.
Sat May 20 08:45:41 2000 H.J. Lu <>
* ( Depend on xgcc$(exeext) for
* Make sure each .o file depends on the
directory it will be in.
Make the multilib directory depends libgcc.
Sat May 20 08:29:28 2000 H.J. Lu <>
* (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
Sat May 20 07:27:35 2000 Alexandre Oliva <>
* fold-const.c (make_range): Handle degenerated intervals.
Fixes c-torture/execute/991221-1.c
Fri May 19 18:16:31 2000 Richard Kenner <>
* cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
* reload.c (find_equiv_reg): Likewise.
* alias.c (init_alias_analysis): Likewise.
Only call prologue_epilogue_contains on insns.
* basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
* bb-reorder.c (hard-reg-set.h): Include earlier.
* haifa-sched.c (hard-reg-set.h): Likewise.
* ifcvt.c (hard-reg-set.h): Likewise.
* local-alloc.c (hard-reg-set.h): Likewise.
* loop.c (hard-reg-set.h): Likewise.
* predict.c (hard-reg-set.h): Likewise.
* regrename.c (hard-reg-set.h): Likewise.
* flow.c (hard-reg-set.h): Likewise.
(reg_set_to_hard_reg_set): New function.
* bitmap.c (regs.h, basic-block.h): No longer include.
(bitmap.h): Now include.
* conflict.c (hard-reg-set.h): Include.
* profile.c (hard-reg-set.h): Likewise.
* print-rtl.c (hard-reg-set.h): Likewise.
* sbitmap.c (hard-reg-set.h): Likewise.
* toplev.c (hard-reg-set.h): Likewise.
* unroll.c (hard-reg-set.h, basic-block.h): Likewise.
* hard-reg-set.h (reg_names): Now constant.
* regs.h (reg_names): Likewise.
* regclass.c (reg_names): Likewise.
* loop.h (basic-block.h): No longer include.
(bitmap.h): Now include.
* reload1.c (order_regs_for_reload): Avoid loop over reg sets.
* (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
(toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
2000-05-19 Jan Hubicka <>
Richard Henderson <>
* basic-block.h (struct edge_def): New field "count".
(struct basic_block_def): Likewise.
* flow.c (entry_exit_blocks): Add count fileds.
(split_edge): Keep count information up-to-date.
(dump_edge_info, dump_flow_info): Dump count fields.
* final.c (count_instrumented_edges): Rename to edge from arc.
(end_final): Update users.
* profile.c: Include expr.h, basic-block.h.
(struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
(struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
(ignore_next_note, return_label_execution_count): Kill.
(bbg_file_name, da_file_name): Kill.
(edge_info, bb_info): New structures.
(count_instrumented_edges, total_num_edges): Rename to edge from arc.
(total_num_edges_instrumented): Likewise.
(init_arc, expand_spanning_tree): Kill.
(fill_spanning_tree, tablejump_entry_p): Kill.
(instrument_edges): Rewrite from instrument_arcs to use
commit_edge_insertions infrastructure.
(compute_branch_probabilities): Remove arguments; rewrite for
CFG infrastructure; use rtl_dump_file directly.
(branch_prob, find_spanning_tree): Likewise.
(union_groups, find_group): New.
(init_branch_prob): Make bbg_file_name and da_file_name local.
(end_branch_prob): Use rtl_dump_file directly.
(init_edge_profiler): Rename to edge from arc.
(output_arc_profiler): Kill.
(gen_edge_profiler): New.
(output_func_start_profiler): Turn off profiling. Make the
constructor static when we can.
* rtl.h (branch_prob, end_branch_prob): Update prototypes.
* toplev.c (DFI_flow): Remove.
(DFI_cfg, DFI_life): New.
(dump_file): Update accordingly.
(compile_file): Call end_branch_prob if profile_arc_flag too.
(rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
profiling after the CFG is built. Move flow1 life analysis to
DFI_life. Always estimate remaining probabilities.
2000-05-19 Richard Henderson <>
* ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
* flow.c (make_edges): The sibling call edge to exit is abnormal.
2000-05-19 Richard Henderson <>
* jump.c (redirect_jump): Add delete_unused argument. Don't
remove labels and code following when LABEL_NUSES goes to zero.
(invert_jump): Likewise.
(jump_optimize_1): Fix redirect/invert arguments.
(do_cross_jump, thread_jumps): Likewise.
* flow.c (split_edge): Likewise.
* reorg.c (optimize_skip): Likewise.
(reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
* profile.c (instrument_arcs): Likewise.
* loop.c (find_and_verify_loops): Likewise. Fix indentation.
* rtl.h: Update prototypes.
Fri May 19 12:05:13 2000 Clinton Popetz <>
* ssa.c (convert_from_ssa): Tell life_analysis we need death
(make_regs_equivalent_over_bad_edges): Only look at abnormal
critical edges.
2000-05-19 Zack Weinberg <>
* cpphash.c (funlike_macroexpand): Make sure not to walk p1
past l1 when deleting whitespace and markers.
* cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
* cpplib.c (do_unassert): Put the list to compare against on
the stack.
2000-05-19 Bruce Korb <>
* fixinc/README: cleaned up old documentation
* fixinc/check.diff: regenerated & verified on OSR5 on ix86
* fixinc/check.tpl: compute the list of needed directories
emit "#if defined(name)" because of conflict
omit machine name differences from output differences
* fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
(machine_name): change test text to use `sed' markers
* fixinc/fixincl.x: regen
Fri May 19 06:49:35 2000 Richard Kenner <>
* config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
2000-05-18 Chris Demetriou <>
* gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
it to match the current practice.
2000-05-18 Mark Mitchell <>
* (STAGESTUFF): Fix typo in spelling of s-under.
2000-05-18 Richard Henderson <>
* rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
* rtl.h (insn_dependant_p): Declare it.
* loop.c (strength_reduce): Use it.
2000-05-18 Alexandre Oliva <>
* config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
16-bit and 64-bit clean-up.
2000-05-18 Mark Elbrecht <>
* (*-pc-msdosdjgpp): Set float_format to none.
* configure: Rebuilt.
2000-05-18 Zack Weinberg <>
* genopinit.c: Use $ for escape sequences in optab patterns.
Remove backslashes from optab patterns. Change $A, $B, $C to
expand to (int) whatever instead of just whatever; remove
explicit (int) from all optab patterns.
* gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
* genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
genrecog.c: Remove private copies of xmalloc, xrealloc, and
2000-05-18 Richard Henderson <>
* jump.c (jump_optimize_1): Base minimum insn count during
find_cross_jump on BRANCH_COST.
2000-05-18 Jakub Jelinek <>
* print-rtl.c (print_rtx): Only print note line number as string
* final.c (final_scan_insn): Do nothing for note line number 0.
2000-05-18 Jakub Jelinek <>
* gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
2000-05-18 Nick Clifton <>
* config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
uninitialized data in .rodata not .bss, and do not interpret an
error in the initialisation value as meaning that the variable
should be placed in the .bss section.
Thu May 18 12:10:18 2000 Philippe De Muyter <>
* (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
not `$ac_cv_prog_cc_cc_c_o'.
* configure: Regenerated.
2000-05-18 Chris Demetriou <>
Richard Henderson <>
* c-common.h (enum c_tree_index): Add g77 type entries.
(g77_integer_type_node, g77_uinteger_type_node): New.
(g77_longint_type_node, g77_ulongint_type_node): New.
* c-decl.c (init_decl_processing): Initialize them.
2000-05-18 Richard Henderson <>
* config/h8300/ (subs patterns): Use %G to negate.
* config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
(small_power_of_two): Likewise; use exact_log2.
(adds_subs_operand, one_insn_adds_subs_operand): Remove.
(output_adds_subs): Remove.
(two_insn_adds_subs_operand): New.
(split_adds_subs): New.
* config/h8300/h8300-protos.h: Update.
* config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
(CONST_OK_FOR_L): Match strict adds operands.
(CONST_OK_FOR_N): Match struct subs operands.
* config/h8300/ (adds_subs insns): Remove.
(addhi patterns): Output adds/subs directly.
(addsi_h8300h): Likewise.
(addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
2000-05-18 Zack Weinberg <>
* cppexp.c (parse_assertion): New.
(lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
(_cpp_parse_expr): Remove case '#'. Don't set
* cpphash.c (collect_objlike_expansion,
collect_funlike_expansion, collect_params,
_cpp_create_definition): The list no longer has a trailing
VSPACE token.
* cpphash.h (enum node_type): Add T_ASSERTION.
(struct hashnode): Remove aschain, add pred.
(struct predicate): New.
Update prototypes.
* cpplex.c (expand_token_space): Handle both offset and
nonoffset lists.
(init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
(_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
_cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
_cpp_equiv_toklists): New.
(_cpp_scan_line): Rename to _cpp_scan_until; add ability to
stop at any single-character token, not just newline.
(_cpp_lex_token): Remove special cases for #define and #if.
(cpp_get_token): Expect # as a separate token type. Remove
(_cpp_get_directive_token): Remove DIRECTIVE case.
(_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
* cpplib.c (_cpp_check_directive): Set dirno and
SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
(_cpp_handle_directive): Run # <number> through the same logic
as normal directives.
(do_define): Don't set parsing_define_directive. Use
_cpp_scan_until. The list does not have a VSPACE at the end.
(do_if): Save, clear, and restore only_seen_white around
(skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
(do_assert, do_unassert): Rewrite.
* cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
(LIST_OFFSET): New flag.
(struct cpp_toklist): Replace dir_handler and dir_flags with
dirno and flags.
(struct cpp_reader): Remove parsing_if_directive and
2000-05-18 Kaveh R. Ghazi <>
* fixinc/inclhack.def (broken_cabs): Update fix to handle comments
following the cabs decl which terminate on the following line.
Add the corresponding test_text case.
2000-05-18 Neil Booth <>
* cppinit.c (cpp_reader_init): Initialize col_adjust and
default tab stop size.
(no_num, OPT_ftabstop): New.
(handle_option): Handle "ftabstop=" command-line option.
(print_help): Document it.
* cpplex.c (COLUMN): Remove.
(handle_newline): Reset col_adjust.
(skip_whitespace): Update col_adjust as tabs encountered.
(_cpp_lex_line): Update to use col_adjust. Call
skip_whitespace for all whitespace.
* cpplib.h (struct cpp_options): New member tabstop.
(struct cpp_reader): New member col_adjust.
(CPP_BUF_COL): Update.
* cpp.texi: Document "-ftabstop=" command line option.
Wed May 17 18:19:41 2000 Philippe De Muyter <>
* (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
* configure: Rebuilt.
Wed May 17 18:06:12 2000 John David Anglin <>
* Add missing -DL$name when compiling modules in libgcc1.c.
* tree.c (build_common_tree_nodes): Do not build TI nodes unless
2000-05-17 Richard Henderson <>
* jump.c (jump_optimize_1): Remove inactive but real insns
in jump-to-next-insn optimization.
2000-05-17 Richard Henderson <>
* toplev.c (rest_of_compilation): Don't call optimize_mode_switching
unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
Don't call recompute_reg_usage if no_new_pseudos is true.
* lcm.c (optimize_mode_switching): Move ifdefs outside function.
Return true if we did work; update global life information.
* basic-block.h (optimize_mode_switching): Update decl.
2000-05-17 Neil Booth <>
* cpplex.c (expand_name_space): Don't use ptrdiff_t.
2000-05-17 Zack Weinberg <>
* cpplib.c: New feature, #pragma system_header.
* cpp.texi: Document special treatment of system headers, and
the various mechanisms to get a header that special treatment.
2000-05-17 Kaveh R. Ghazi <>
* system.h (offsetof): Define at the very end, to ensure we prefer
the platform's definition if available.
2000-05-16 Bruce Korb <>
* fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
* fixinc/server.c: likewise
* fixinc/fixfixes.c( char_macro_def_fix ): fix regex
+ #ifdef debugging code + use #def constant for
sub-pattern count
* fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
on C++ math namespace
2000-05-17 Kaveh R. Ghazi <>
* fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
Don't check the return value of sprintf. Use asprintf to avoid
buffer overflows.
Wed May 17 17:27:44 2000 Andrew Cagney <>
* flags.h (warn_unused_function, warn_unused_label,
warn_unused_parameter, warn_unused_variable, warn_unused_value):
Replace ``warn_unused''.
(set_Wunused): Add declaration.
* toplev.c (set_Wunused): New function.
(warn_unused_function, warn_unused_label, warn_unused_parameter,
warn_unused_variable, warn_unused_value): New variables.
(W_options): Add -Wunused-function, -Wunused-function,
-Wunused-label, -Wunused-parameter, -Wunused-variable and
-Wunused-value. Delete -Wunused. Handled in decode_W_option.
* toplev.c (decode_W_option): Update -Wunused flags by calling
* c-decl.c (c_decode_option): Ditto for -Wall.
* stmt.c (expand_expr_stmt, expand_expr_stmt,
warn_about_unused_variables): Replace warn_unused with more
explicit warn_unused_value
* function.c (expand_function_end): Ditto.
* c-typeck.c (internal_build_compound_expr,
internal_build_compound_expr): Ditto.
* c-decl.c (poplevel, pop_label_level): Ditto.
* toplev.c (check_global_declarations): Replace warn_unused with
check for either warn_unused_function or warn_unused_variable.
* gcc.1, invoke.texi (Warning Options): Document
-Wunused-function, -Wunused-function, -Wunused-label,
-Wunused-parameter, -Wunused-variable and -Wunused-value options.
Wed May 17 10:28:12 2000 Philippe De Muyter <>
* (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
$(srcdir), not in the current directory.
2000-05-16 Richard Henderson <>
* config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
assembler supports it.
(.fini, .init): Use a gp-relative indirect call.
(__do_global_dtors_aux): Preserve the gp; rebundle.
(__do_frame_setup): Likewise.
* config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
(.init): Use a gp-relative indirect call.
(__do_global_ctors_aux): Preserve the gp.
2000-05-16 Richard Henderson <>
* flow.c (commit_one_edge_insertion): Be prepared for a return
insn to be inserted on the edge with a normal jump.
* jump.c (jump_optimize_1): Don't look to create return isns.
* flow.c (flow_delete_insn): Don't adjust reference count of notes.
* jump.c (jump_optimize_1): Likewise.
(returnjump_p): Verify the argument is a JUMP_INSN.
* rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
2000-05-16 Nick Clifton <>
* config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
(large_insn_p): Ditto.
(m32r_is_insn): New function: Return true if the insn contains
an executable instruction.
(m32r_adjust_insn): Use m32r_is_insn.
(m32r_sched_reorder): Use m32r_is_insn.
(m32r_sched_variable_issue): Use m32r_is_insn.
2000-05-16 Franz Sirl <>
* rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
* rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
* rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
according to given options.
Tue May 16 12:17:31 2000 Jeffrey A Law (
* mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
if X has VOIDmode either.
* (indirect_jump, tablejump): Use "register_operand",
not "general_operand" to match the processor's capabilities.
2000-05-16 Bruce Korb <>
* fixinc/README: corrected return address
* fixinc/check.diff: regenerate, now that test works
* fixinc/fixfixes.c(format_fix,format_write): reformatted
(char_macro_def_fix,char_macro_use_fix): corrected and
rewrote to use regex to parse the text
* fixinc/inclhack.def: more testing
* fixinc/fixincl.x: regenerated
* fixinc/inclhack.def: added several "test_text" attributes
changed several fixes to use `c_fix = format'
re-alphabetized the fixes
* fixinc/check.diff: regenerate
* fixinc/fixincl.x: regenerate
* fixinc/check.tpl: added `sparc' and `netinet' to the list
of created dirs
2000-05-16 Alexandre Oliva <>
* config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
2000-05-15 Richard Henderson <>
* toplev.c (rest_of_compilation): Run full jump pass before
find_basic_blocks of flow2.
2000-05-15 Richard Henderson <>
* jump.c: Fix typos and clarify commentary from last change.
(any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
(safe_to_remove_jump_p): Remove.
(condjump_label): Use pc_set.
2000-05-15 Richard Henderson <>
* ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
that get in the way after reload.
(cond_exec_process_if_block): Skip a label heading THEN block.
2000-05-15 Richard Henderson <>
* varasm.c (output_constant_pool): Abort instead of converting
(improperly) deleted labels to zero.
2000-05-16 Neil Booth <>
* cpplex.c (parse_string2): Update comment.
(cpp_lex_line): No special assertion treatment for '('.
* cpplib.h (SYNTAX_ASSERT): Remove.
Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <>
* jump.c (condjump_p): Mark as depreached.
(any_condump_p): New.
(any_uncondump_p): New.
(pc_set): New.
(safe_to_remove_jump_p): New.
* rtl.h (any_condump_p, any_uncondjump_p, pc_set
safe_to_remove_jump_p): Declare.
Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <>
* calls.c: Re-install both patches reverted by last patch.
(struct arg_data): New field tail_call_reg.
(initialize_argument_information): Initialize tail_call_reg
(load_register_parameters): New argument flags, use
tail_call_reg when emiting tail call sequence.
(expand_call): Update call of load_register_parameters;
copy unadjusted_args_size to adjusted_args_size.
Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <>
* loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
and bct_p parameters to flags.
* loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
* rtl.h (loop_optimize): Update prototype.
* toplev.c (rest_of_compilation): Update call of loop_optimize.
2000-05-15 Jakub Jelinek <>
* calls.c (expand_call): Move expand_start_target_temps call after
2000-05-15 Neil Booth <>
* cpphash.c (trad_stringify, warn_trad_stringify,
collect_params): Make some pointers pointers to const.
* cpplex.c (auto_expand_name_space) Guaranteed to always
expand by at least one character.
(SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
(struct token_spelling): Use const U_CHAR * rather than PTR.
(expand_name_space): Fix up token pointers if name space
is moved when expanding.
(INIT_NAME, cpp_scan_line, parse_name, parse_number,
parse_string2, save_comment, spell_token, cpp_output_list):
Update so the routines handle tokens with a direct pointer to
their text, rather than an offset into the token's list's namebuf.
(_cpp_lex_line): Rearrange for clarity.
* cpplib.c (_cpp_check_directive): Similarly.
(do_define): Make SYM a pointer to const.
* cpplib.h (struct cpp_name): Replace offset with direct pointer.
(CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
(TOK_OFFSET): Delete.
(TOK_NAME): Update.
2000-05-14 Geoffrey Keating <>
* config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
64-bit ABI.
* config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
into account.
(logical_u_operand): Delete.
(non_logical_cint_operand): Rewrite to take MODE into account.
(non_logical_u_cint_operand): Delete.
(boolean_operator): New function.
(print_operand): Add new %q operand.
* config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
remove logical_u_operand and non_logical_u_cint_operand,
update logical_operand and non_logical_cint_operand.
* config/rs6000/ Rewrite the patterns for performing
logical operations to use %q.
* config/rs6000/ (movsi): Don't modify RTL in-place.
(movdi): Make similar to movsi.
* config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
is no such thing as a DImode CONST_DOUBLE.
* config/rs6000/rs6000.c (output_toc): Likewise.
* config/rs6000/rs6000.c (output_cbranch): Don't output prediction
codes when old mnemonics are in use. Print register names
for cc registers when requested.
* optabs.c (expand_float): Don't allow mode widening that causes
double rounding.
* invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
flags to their current names -maix64 and -maix32.
2000-05-14 Bruce Korb <>
* fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
and/or after current text of file
* fixinc/fixlib.c(must_malloc):
* fixinc/fixlib.h(must_malloc): + reformatting
* fixinc/inclhack.def: replace the "1i" and "$a" sed commands
with usages of ``c_fix = wrap;''
Add several tests and use the ``c_fix = format'' fixer more.
* fixinc/fixincl.x: regen
* fixinc/check.diff: regen
* fixinc/check.tpl: emit the associated header with the missing
test message
Sun May 14 17:58:59 2000 Hans-Peter Nilsson <>
* (building libgcc1) [Xlibgcc1.a]: Do not use unset
variables $src and $dst.
2000-05-13 Gabriel Dos Reis <>
* diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
(struct output_buffer: emitted_prefix_p, prefixing_rule): New
(set_message_prefixing_rule): Declare.
* diagnostic.c: (current_prefixing_rule): New variable.
(set_message_prefixing_rule): Define.
(output_set_prefix): Adjust buffer->emitted_prefix_p.
(init_output_buffer): Adjust Initialization.
(output_emit_prefix): Rewrite. Take prefixing rules into account.
Sat May 13 11:05:47 2000 Philippe De Muyter <>
* ifcvt.c (if_convert): Do not free NULL.
2000-05-12 H.J. Lu (
* gthr-dce.h: Add support for libobjc.
* gthr-posix.h: Likewise.
* gthr-solaris.h: Likewise.
* gthr-vxworks.h: Likewise.
* gthr-single.h: Likewise.
* gthr-win32.h: Likewise.
2000-05-12 Nick Clifton <>
* config/fr30/fr30.c (fr30_move_double): New function: Emit code
to move a double word value.
(di_operand): New function: Return true if the operand is suitbale
for a double word move operation.
(nonimmediate_di_operand): New function: Return true if the
operand is a DImode register or MEM.
* config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
* config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
* config/fr30/ (movdi): New pattern. Required because
other patterns generate DImode results.
(movdi_insn): New pattern.
2000-05-12 Richard Henderson <>
* config/alpha/alpha.c (struct shadow_summary): Define
bitfields as type unsigned int.
Sat May 13 00:09:59 2000 Denis Chertykov <>
* config/avr/t-avr: Added definition of FLOAT while generates
* config/avr/ `NEXT_INSN (insn)' substituted to `insn' in
peepholes for tst+jump = sbrs/sbrc optimization.
Fry May 12 20:03:00 CEST 2000 Jan Hubicka <>
* expr.c (emit_push_insn): Do not adjust stack pointer when
Fri May 12 19:03:58 2000 Philippe De Muyter <>
* ggc-simple.c (offsetof): Macro fallback definition moved from here ..
* system.h (offsetof): ... to here.
2000-05-12 Richard Henderson <>
* (final.o): Depend on BASIC_BLOCK_H.
* final.c (final_end_function): Use app_disable. Rearrange note
handling into a switch. Emit deleted labels.
(output_asm_label): Generate label strings for deleted labels.
* flow.c (tail_recursion_label_list): New.
(find_basic_blocks_1): Set label_value_list directly. Collect list
of tail recursion labels from call_placeholders. Don't add deleted
labels to the label value list.
(cleanup_cfg): Use free_EXPR_LIST_list.
(flow_delete_insn_chain): Turn non-removable labels into notes.
(flow_delete_block): Don't disable deleting the block because of
a non-removable label.
(tail_recursion_label_p): New.
(merge_blocks_move_predecessor_nojumps): Don't disable the merge
because of a label.
(merge_blocks_move_successor_nojumps): Likewise. Also move a
jump table.
(merge_blocks): Disable a merge because of tail recursion labels.
* ifcvt.c (merge_if_block): Don't disable a merge because of a label.
Use a more accurate measure of not merging the join block.
(find_if_block): Don't disable conversion because of a label.
(find_if_case_1, find_if_case_2): Likewise.
* jump.c (duplicate_loop_exit_test): Preserve the kind of list
element when copying.
(squeeze_notes): Also leave EH notes.
(mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
REG_LABEL notes.
(delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
deleting a label.
* print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
referring to a deleted label. Convert tail handling to a switch.
* rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
(NOTE): Fix commentary.
* rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
* unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
2000-05-12 Bruce Korb <>
* fixinc/fixfixes.c(format_write): buglet & relaxed rules
* fixinc/check.diff: updated
* fixinc/inclhack.def: corrected & added some test_text-s
* fixinc/genfixes: removed unneeded options to autogen invocation
* fixinc/fixincl.tpl: Specified the output file
* fixinc/fixfixes.c: visual appearance
* fixinc/fixincl.x: regenerate
2000-05-12 Zack Weinberg <>
* fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
CTRL_defn_fix): Delete.
(fix_char_macro_defines, fix_char_macro_uses): Rename to
char_macro_def_fix and char_macro_use_fix, respectively. Put
them into the FIXUP_TABLE. Get the string to search for from
a c_fix_arg.
(format_write): New function.
(format_fix): Use it.
(FIX_PROC_HEAD): Constify text parameter.
(machine_name_fix): Constify all char *s.
* fixtests.c (skip_quote): Remove double static.
* inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
ctrl_use_quotes): Update for new scheme.
* fixincl.x: Regenerate.
2000-05-12 Alexandre Oliva <>
* config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
2000-05-11 Robert Lipe <>
* fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
* fixincl.x: Regenerate.
2000-05-11 Richard Henderson <>
* calls.c: Revert both 05-09 patches.
2000-05-11 Alexandre Oliva <>
* config/mn10300/mn10300.c (print_operand): Print FP constants in
* config/mn10300/ (movsf, movdf): Use the `F' constraint
for FP values.
* (EQ): Define it to an equal sign in the Makefile,
and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2000-05-11 Jason Merrill <>
* fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2000-05-11 Zack Weinberg <>
* fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
Thu May 11 22:28:05 2000 Denis Chertykov <>
* config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
* config/avr/avr.c (jump_over_one_insn_p): New function.
* config/avr/ New peepholes added. Output test and
conditional jump to "sbrc" or "sbrs" command.
2000-05-11 Mark Elbrecht <>
* cppmain.c (main): Use IS_DIR_SEPARATOR.
2000-05-11 Jakub Jelinek <>
* except.c (find_exception_handler_labels_1): New function.
(find_exception_handler_labels): Split into two functions, dive
into CALL_PLACEHOLDERs when looking for exception handler labels.
2000-05-11 Stan Cox <>
* regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
* timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
* toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2000-05-11 Bruce Korb <>
* fixinc/fixfixes.c (double_slash_fix): obsolete
(else_endif_label_fix): obsolete
(format_fix): new, unused as yet
(main): obsolete
* fixinc/fixlib.h: added fix description struct for use by format_fix
* fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
* fixinc/ compile fixfixes.c and fixtests.c as separate
modules. Removed the vestiges of the script version.
Added support for "make check".
* fixinc/check.diff: base diff file (needs work!!)
* fixinc/check.tpl: quiet the fixup output
* fixinc/fixtests.c (main): obsolete
* fixinc/ don't bother copying fixincl to ..
* fixinc/fixincl.tpl: provide for arguments to c_fix routines
Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <>
* toplev.c (rest_of_compilation): Remove dead code after
2000-05-11 Zack Weinberg <>
* cpphash.c (collect_funlike_expansion): Make "# is not
followed by a macro argument name" a pedwarn, not an error.
Preserve the # in the output. Suppress the warning if lang_asm.
Thu May 11 01:19:31 2000 Jeffrey A Law (
* (hppa*64*-*-hpux11*): New target for PA64 support.
* configure: Rebuilt.
2000-05-10 Laurynas Biveinis <>
* i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2000-05-10 Kazu Hirata <>
* combine.c (try_combine): Fix a typo.
Wed May 10 21:31:44 2000 Jim Wilson <>
* config/ia64/ (insv): Add comment.
2000-05-10 Richard Henderson <>
* (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
* Rewrite to not use functions. Don't shortcut
dependencies on FPBIT and DPBIT.
2000-05-10 Nick Clifton <>
* flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
when optimising for size.
(mark_used_regs:) Ditto.
(try_pre_increment_1): Ditto.
2000-05-10 Zack Weinberg <>
* cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
Make error message friendlier.
* cpphash.h (struct hashnode): Use struct hack for name
* cpphash.c (struct hashdummy): New.
(eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
(make_HASHNODE): No need to set ->name pointer. Correct
setting of p.
(cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2000-05-10 Richard Henderson <>
* flow.c (find_basic_blocks_1): Remove any spare bb_note
after completion.
2000-05-10 Bruce Korb <>
* fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2000-05-10 Eric Schweitz <>
* dwarfout.c (dwarfout_finish): Call retry_incomplete_types
after we enter .debug.
2000-05-10 Jason Merrill <>
* dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
abstract instance of a nested inline function.
* stor-layout.c (finish_record_layout): finalize_type_size
before laying out the pending_statics.
Wed 10 May 09:36:47 2000 Neil Booth <>
* cpplex.c (spell_token): New function.
(spell_string, spell_comment, spell_name): fold into
(I, S): Add macros.
(E, H): Remove macros.
(save_comment): Save comment opening characters too.
(_cpp_lex_file): Update to use spell_token. Tidy up comment
* cpplib.h (I, S): Add macros.
(E, H): Remove macros.
(TTYPE_TABLE): Update entries for new speller.
Wed 10 May 09:08:30 2000 Neil Booth <>
* cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
when removing escaped newlines. Reverse sense of test for
escaped newline.
2000-05-09 Richard Henderson <>
* flow.c (find_basic_blocks_1): Do not delete the first
bb_note we run across.
(create_basic_block): Use reorder_insns to move an existing
bb_note to the correct place.
2000-05-09 Richard Henderson <>
* calls.c (expand_call): Increment currently_expanding_call
before calling optimize_tail_recursion.
Tue May 9 18:54:16 2000 Richard Kenner <>
* reload1.c (reload_combine): Fix errors in last change.
2000-05-09 Zack Weinberg <>
* gcc.c (used_arg): Skip over a semicolon at the end of the
split-up loop; don't break out of it.
* (WARN_CFLAGS): Add -Wwrite-strings.
(tree.o): Depend on output.h.
* c-decl.c (pending_invalid_xref_file,
current_function_prototype_file): Constify.
(pushdecl): Constify a local char *.
(define_label): Constify filename parameter.
* c-lex.c (init_parse): Constify parameter and return value.
* c-typeck.c (c_expand_asm_operands): Constify filename parameter.
* c-tree.h: Update prototypes.
* Constify filename member of %union, and if_stmt_file.
* c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
objc/objc-parse.c: Regenerate.
* dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
* dwarfout.h: Update prototypes.
* expr.c (expand_expr): Constify a local char *.
* flags.h: Constify main_input_filename.
* function.c (expand_function_end): Constify filename parameter.
* genrecog.c (make_insn_sequence): Use a character array for
(main): Remove unused variables.
* input.h: Constify input_filename, main_input_filename, and Update prototypes.
* output.h: Declare first_global_object_name and
weak_global_object_name here, as const char *.
* stmt.c (expand_asm_operands): Constify filename parameter.
* toplev.c (compile_file, push_srcloc, debug_start_source_file):
Constify filename parameter.
(input_filename, main_input_filename): Constify.
* toplev.h: Update prototypes.
* tree.c: Include output.h. Don't declare
first_global_object_name or weak_global_object_name. Clean up string
bashing in get_file_function_name_long.
* tree.h (struct tree_decl): Constify filename member.
(input_filename): Constify.
Update prototypes.
* varasm.c (first_global_object_name, weak_global_object_name):
(assemble_start_function, assemble_variable): Clean up string bashing.
* gcc.c: Constify all spec-related strings initialized,
transitively, from string constants. Constify all strings
and string variables related to multilibs.
(set_spec, read_specs): Cast argument to free to PTR.
(used_arg): Do not modify multilib_matches. Use strncmp plus
length comparison to compare multilib switches.
* genmultilib: Constify everything declared in multilib.h.
Tue May 9 22:28:03 2000 Denis Chertykov <>
* flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
as deleted.
Tue May 9 20:52:43 2000 Denis Chertykov <>
* config/avr/avr-protos.h (extra_constraint): change a type of
second argument from char to int to avoid warnings.
(asm_output_byte): Likewise.
* config/avr/avr.c (MAX_LD_OFFSET) New macro.
(initial_elimination_offset): Handle elimination from
(legitimate_address_p): Use MAX_LD_OFFSET.
(legitimize_address): Likewise.
(out_movqi_r_mr): Likewise.
(out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
(out_movsi_r_mr): Use MAX_LD_OFFSET.
(out_movsi_mr_r): Likewise.
(out_movqi_mr_r): Likewise.
(out_movhi_mr_r): Likewise.
(notice_update_cc): Correct CC for the ashrqi3 with the shift
count as CONST_INT != 6.
(ashlqi3_out): Coding style modifications. Run `fatal_insn' if
shift count is a CONSTANT_P, but not a CONST_INT.
(ashlhi3_out): Coding style modifications.
(ashlsi3_out): Likewise.
(ashrhi3_out): Likewise.
(ashrsi3_out): Likewise.
(lshrhi3_out): Likewise.
(lshrsi3_out): Likewise.
(ashrqi3_out): Generate shift for any known constant count without
scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
but not a CONST_INT.
(lshrqi3_out): Coding style modifications. Run `fatal_insn' if
shift count is a CONSTANT_P, but not a CONST_INT.
(extra_constraint): change a type of
second argument from char to int to avoid warnings.
(asm_output_byte): Likewise.
(asm_file_end): Output size generated commands count as a hex
number too.
* config/avr/avr.h (RETURN_ADDR_RTX): New macro.
* config/avr/ (addhi3): Fragment commented by &&0 is
(ashlqi3): Values of "length" attribute changed. Shift count
uses constraints 'n' instead of 'i'.
(ashrqi3): Likewise. Values of "cc" attribute changed. Generate
shifts without clobber register.
(lshrqi3): Shift count uses constraints 'n' instead of 'i'.
(call_insn): Correct test for which_alternative == 1 (was 0).
(call_value_insn): Likewise.
* config/avr/t-avr: Remove definition of FLOAT while generates
2000-05-09 Bruce Korb <>
* fixinc/check.tpl: Template for checking fixes
* fixinc/inclhack.def: Added 'test_text' for many fixes
disable hpux8_bogus_inlines on SCO
* fixinc/fixinc.sco: Oh, yes, we don't need this any more.
Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <>
* calls.c (expand_call): Reorganize somewhat in order
to avoid unnecesary recalculation inside loop and make
tail call failure code cleaner.
Tue May 9 06:30:20 2000 Richard Kenner <>
* alias.c (nonlocal_reference_p): Minor reformatting.
* reload.c (find_equiv_reg): Simplify logic for
CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
some some reformatting.
* reload1.c (reload_combine): Don't assume everything in
CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2000-05-08 Richard Henderson <>
* final.c (current_insn_predicate): New.
(final_scan_insn): Set it.
* output.h (current_insn_predicate): Declare.
* ifcvt.c (cond_exec_process_insns): New argument prob_val.
Attach it to call insns.
(cond_exec_process_if_block): Track probability for true and
false branches.
(dead_or_predicable): Likewise.
(estimate_probability, expected_value_to_br_prob): Use them.
* config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
* config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
(ia64_expand_prediction): New.
(emit_insn_group_barriers): Don't look at notes. Emit barriers
as needed after calls.
(ia64_epilogue_uses): Mark b0 used.
* config/ia64/ (beq_true, beq_false): Remove.
(bne_true, bne_false): Remove.
(eq_return, eq_not_return, ne_return, ne_not_return): Remove.
(br_true, br_false): New. Use predicate_operator and
(return_true, return_false): Likewise.
(call_internal): Use ia64_expand_prediction. Don't emit stop bit.
(call_internal1, call_value_internal): Likewise.
(call_value_internal1, call_multiple_values_internal1): Likewise.
* config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
* config/ia64/ (extendsfdf2): Split only after reload.
2000-05-08 Richard Henderson <>
* rtlanal.c (may_trap_p): Consider old-style and volatile
asms to trap.
Mon May 8 17:16:48 2000 Jim Wilson <>
* config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2000-05-08 Richard Henderson <>
* config/ia64/ia64.h (predicate_operator): Declare.
* config/ia64/ (extendsfdf2): Split the nop case out
of existence.
* gensupport.c (process_rtx): Copy and post-process each member
of the define_insn rtvec individually.
Mon 8 May 22:17:35 2000 Neil Booth <>
* cpplex.c (spell_token): New function.
(TOKEN_LEN): Add 1 for whitespace.
(_cpp_lex_file): Update to use spell_token.
* cpplib.h (E): Remove.
2000-05-08 Richard Henderson <>
* flow.c (init_propagate_block_info): Watch out for conditional
branch to next instruction, and thus one outgoing edge.
* config/ia64/ia64.c (ia64_encode_section_info): Exit early
for global register variables; don't special case __[CD]TOR_LIST__;
mind ggc_p for string allocation.
2000-05-08 Nick Clifton <>
* config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2000-05-08 Bruce Korb <>
* fixinc/ fixinc.sco is no longer used
i?86-*-msdosdjgpp* no longer uses fixincludes
* fixinc/genfixes: and are no longer generated
* fixinc/ deleted
* fixinc/hackshell.tpl: deleted
* fixinc/inclhack.tpl: deleted
* fixinc/ Remove dependencies on above
* fixinc/ "DO NOT EDIT" text modified
2000-05-08 Andreas Jaeger <>
* config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2000-05-07 Zack Weinberg <>
* (LOOSE_CFLAGS): Add /g modifiers to both sed
Sun 7 May 08:43:53 2000 Neil Booth <>
* cpplex.c: Move new lexer definitions and prototypes
to top. Conditional include these and the code if
NEW_LEXER is defined. Rename functions whose names
clash if this code included.
Sun May 7 00:54:57 EDT 2000 John Wehle (
* rtl.def (COND_EXEC): Clarify.
* (extendsidi2): Clobber (reg:CC 17) in the
same fashion as zero_extendsidi2.
2000-05-06 Richard Henderson <>
* config/ia64/ia64.c (predicate_operator): New.
(ia64_print_operand): Handle 'J'.
(rtx_needs_barrier): Handle COND_EXEC.
* config/ia64/ia64.h (BRANCH_COST): Define.
* config/ia64/ Document used unspec values.
(attr predicable): New.
(movxf, movxf_internal): New.
(extendsfdf2): Don't comment out nop.
(floatdidf2): Remove.
(truncxfsf2, truncxfdf2, floatdixf2): New.
(abssi2, absdi2): Put the neg in the "true" slot.
(conditional branch instructions): Mark not predicable.
(cmov*_internal): Use predicate_operator. Split to cond_exec.
(abs*_internal): Likewise.
(alloc, set_bsp): Mark not predicable.
(barrier, insn_group_barrier, flush_cache): Likewise.
(define_cond_exec): New.
2000-05-06 Richard Henderson <>
* c-decl.c: Include "tm_p.h".
* config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
(fetchadd_operand, ia64_expand_fetch_and_op): Declare.
(ia64_expand_op_and_fetch): Declare.
* config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
(setjmp_operand): Constify variables for XSTR.
(ia64_encode_section_info): Likewise.
(ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
values to int.
(ia64_asm_output_external): Constify name.
(process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
(process_for_unwind_directive): Provide switch default.
(ia64_expand_compare_and_swap): Remove unused variables.
(ia64_expand_builtin): Likewise.
* config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
for printing.
* config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
(symbolic_operand, function_operand, setjmp_operand): Likewise.
(shift_count_operand, shift_32bit_count_operand): Likewise.
(shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
(ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
(ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
(ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
(ia64_expand_builtin): Likewise.
(call_multiple_values_operation): Make dest_regno unsigned.
2000-05-06 Richard Henderson <>
* rtl.def (DEFINE_COND_EXEC): New.
* md.texi: Document it.
* gensupport.c (input_file): Remove.
(struct queue_elem): Add lineno.
(rtx_ready_queue): Remove.
(errors): New.
(predicable_default): New.
(predicable_true, predicable_false): New.
(define_attr_queue, define_attr_tail): New.
(define_insn_queue, define_insn_tail): New.
(define_cond_exec_queue, define_cond_exec_tail): New.
(other_queue, other_tail): New.
(queue_pattern): New.
(process_rtx): Add patterns to the appropriate queues.
(is_predicable, identify_predicable_attribute): New.
(n_alternatives, collect_insn_data): New.
(alter_predicate_for_insn, alter_test_for_insn): New.
(shift_output_template, alter_output_for_insn): New.
(process_one_cond_exec, process_define_cond_exec): New.
(init_md_reader): Read the entire file. Process define_cond_exec.
(read_md_rtx): Return elements from the queues.
2000-05-06 Richard Henderson <>
* flow.c (mark_set_1): Don't update conditional life info
if the register is not_dead.
2000-05-06 Zack Weinberg <>
* (STAGESTUFF): Add genrtl.c and genrtl.h.
(mostlyclean): Also delete fixincl,, and
specs.ready, and make clean in the fixinc subdir.
2000-05-06 Richard Henderson <>
* (gensupport.o): Compile for the host.
(host-prefix gensuuprt.o): Remove.
(genflags.o): Depend on gensupport.h and OBSTACK_H.
(genattrtab.o): Likewise.
(gencodes.o): Depend on gensupport.h.
(genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
(genpeep.o, genattr.o, genoutput.o): Likewise.
* gensupport.c (obstack, rtl_obstack): New.
(init_md_reader): Initialize rtl_obstack.
* gensupport.h (rtl_obstack): Declare.
(message_with_line): Declare.
* genattr.c: Remove all traces of obstack manipulation.
* gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
* genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
* genattrtab.c (obstack, rtl_obstack): Remove.
(main): Don't init rtl_obstack.
* genflags.c: Likewise.
* genrecog.c (message_with_line): Move ...
* gensupport.c: ... here.
2000-05-06 Richard Henderson <>
* c-typeck.c (build_c_cast): Remove dead code.
2000-05-06 Richard Henderson <>
* flow.c (split_edge): Don't allocate global_live_at_start for
the new block unless the old blocks had them as well.
* flow.c (mark_set_1): Respect not_dead when updating reg_live.
* ifcvt.c (noce_process_if_block): Don't use an insn_b from
test_bb if a or b uses x.
2000-05-06 Zack Weinberg <>
* cpphash.h: Remove conditional #define of __extension__.
* rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
* tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
* varray.h: Add __extension__ to VARRAY_CHECK macro
2000-05-06 Richard Earnshaw (
Use new tail-calling mechanism on ARM.
* (sibcall, sibcall_value): New expands.
(sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
(tailcalling peepholes): Delete.
(push_multi): Simplify.
* arm.c (lr_save_eliminated): Delete definition.
(pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
(output_return_instruction): Remove checks on lr_save_eliminated.
(output_arm_prologue): Remove old tail-calling code.
(arm_output_epilogue): New parameter, really_return. All callers
changed. Handle tail-calling epilogues.
* arm.h (lr_save_eliminated): Delete declaration.
(frame_pointer_needed): Delete declaration.
* arm-protos.h (arm_output_epilogue): Adjust prototype.
* (is_thumb): Examine symbol thumb_code, not expression
* arm.c (thumb_code): Define it.
(arm_override_options): Set it.
* arm.h (thumb_code): Declare it.