Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
* gcov.c (DIR_SEPARATOR): Provide default.
(output_data): Add test for MS-DOS format absolute filename.
(fancy_abort): Correct program name.
(open_files): Open all files in binary mode.
* libgcc2.c (__bb_exit_func): Likewise.
* profile.c (init_branch_prob): Specify binary when opening files.
* flags.h (flag_unwind_tables): New decl.
* toplev.c (flag_unwind_table): New definition.
(f_options): Add -funwind-tables.
(decode_g_option): Clarify warning when unknown -g option is given.
(rest_of_compilation): If inside an inlined external function,
pretend we are just being declared.
* dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
(dwarf2out_frame_finish): Likewise.
Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
* flow.c (propagate_block): When the last reference to a label
before an ADDR_VEC is deleted because the reference is a dead
store, delete the ADDR_VEC.
Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
* fold-const.c (merge_ranges): In not in0, but in1, handle
upper bounds equal like subset case.
Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
* dbxout.c (dbxout_parms): Generate a second stabs line for parameters
passed in a register but moved to the stack.
Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
* gcc.c (pass_exit_codes, greatest_status): New variables.
(struct option_map): Add entry for "--pass-exit-codes".
(execute): Update greatest_status if error.
(display_help): Add documentation for -pass-exit-codes.
(process_command): Handle -pass-exit-codes.
(main): Look at pass_exit_codes and greatest_status on call to exit.
Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
* reload.c (find_reloads): Refine test for no input reload
case to not includes reloads emitted after insn.
* function.c (find_temp_slots_from_address): Handle sum involving
a register that points to a temp slot.
(update_temp_slot_address): Make recursive call if both old and
new are PLUS with a common operand.
* calls.c (expand_call): Mark temp slot for result as having
address taken.
* rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
* gcc.c (process_command): Add standard_exec_prefix with "GCC"
component as well as "BINUTILS".
* integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
* integrate.c (copy_rtx_and_substitute): Likewise.
(expand_inline_function, integrate_parm_decls, integrate_decl_tree):
All callers changed.
* unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
* dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
gdb extensions, write size of type; also be more consistent
in using references when this is a subtype.
* pa.md (extv, extzv, insv): Use define_expand to reject constant
that is out of range.
* loop.c (unknown_constant_address_altered): New variable.
(prescan_loop): Initialize it.
(note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
(invariant_p, case MEM): Remove handling for volatile and readony;
check new variable if readonly.
(check_dbra_loop): Chdeck unknown_constant_address_altered.
* cse.c (canon_hash, case MEM): Do not record if BLKmode.
(addr_affects_sp_p): Removed from note_mem_written and only
define #ifdef AUTO_INC_DEC.
* alpha.c (input_operand, case ADDRESSOF): Treat as REG.
* regclass.c (record_reg_classes): Properly handle register move
directions.
* varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
Don't think valid if both operands are invalid.
(struct constant_descriptor): New field RTL.
(mark_const_hash_entry): Mark it.
(record_constant{,_rtx}): Initialize it.
(output_constant_def): Allocate RTL in permanent obstack and
save in table.
({record,compare}_constant_1): Modes must match for
CONSTRUCTOR of ARRAY_TYPE.
* c-common.h (initializer_constant_valid_p): Delete decl from here.
* output.h (initializer_constant_valid_p): Move decl to here.
* c-common.c (initializer_constant_valid_p): Delete function from here.
* varasm.c (initializer_constant_valid_p): Move function to here.
* tree.h (STRIP_SIGN_NOPS): New macro.
* fold-const.c (optimize_minmax_comparison): New function.
(invert_truthvalue, case WITH_RECORD_EXPR): New case.
(fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
(fold, case EQ_EXPR): Call optimize_minmax_comparison and add
cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
widening conversions.
(fold, case LE_EXPR): Rework changing unsigned to signed comparisons
to look at size of mode, not precision of type; also add missing cases.
(optimize_bit_field_compare, decode_field_reference): Don't try to
optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
* dwarf2out.c (ctype.h): Include.
(dwarf2out_set_demangle_name_func): New function.
(size_of_line_info): Deleted.
(output_line_info): Compute size of line info table from difference
of labels.
(base_type_die, add_name_attribute): Call demangle function, if any.
(field_byte_offset): Use bits per word for variable length fields.
(gen_array_type_die): Add array name.
(gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
(dwarf2out_add_library_unit_info): New function.
* explow.c (set_stack_check_libfunc): New function.
(stack_check_libfunc): New static variable.
(probe_stack_range): Allow front-end to set up a libfunc to call.
* combine.c (simplify_comparison): When making comparison in wider
mode, check for having commuted an AND and a SUBREG.
(contains_muldiv): New function.
(try_combine): Call it when dividing a PARALLEL.
(simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
(simplify_comparison, case ASHIFTRT): Recognize sign-extension of
a PLUS.
(record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
use one of the CLOBBERs instead.
(if_then_else_cond): If comparing against zero, just return thing
being compared.
* optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
Don't generate shifts and subtract if have conditional arithmetic.
* rtl.h (delete_barrier): New declaration.
* jump.c (jump_optimize): Set up to handle conditional call.
In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
(delete_barrier): New function.
* rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
* recog.c (nonmemory_operand): Accept ADDRESSOF.
* tree.c (build_type_attribute_variant): Push to obstack of
ttype around type_hash_canon call.
* expr.c (placeholder_list): Move decl to file scope.
(expand_expr): Don't force access to volatile just because its
address is taken.
If ignoring reference operations, just expand the operands.
(expand_expr, case COMPONENT_REF): Propagate
EXPAND_CONST_ADDRESS to recursive call when expanding inner.
Refine test for using bitfield operations vs pointer punning.
(expand_expr, case CONVERT_EXPR): If converting to
BLKmode UNION_TYPE from BLKmode, just return inner object.
Use proper mode in store_field call.
Properly set sizes of object to store and total size in store_field
call for convert to union.
(expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
memory (like for ADDR_EXPR). Also, don't put constant in register if
we'll want it in memory.
(readonly_fields_p): New function.
(expand_expr, case INDIRECT_REF): Call it if LHS.
(expand_assignment): Handle a RESULT_DECL where
DECL_RTL is a PARALLEL.
(do_jump, case WITH_RECORD_EXPR): New case.
(get_inner_reference): Always go inside a CONVERT_EXPR
and NOP_EXPR if both modes are the same.
(store_field): Use bitfield operations if size of bitsize is not same
as size of RHS's type.
Check for bitpos not a multiple of alignment in BLKmode case.
Do block move in largest possible alignment.
(store_constructor): Set BITSIZE to -1 for variable size and properly
in case of array of BLKmode.
(expand_expr_unaligned): New function.
(do_compare_and_jump): Call it.
* mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
* collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
does not include 'o'.
* function.c (instantiate_virtual_regs_1, case SET): Handle case where
both SET_DEST and SET_SRC reference a virtual register.
(gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
* integrate.c (expand_inline_function): Handle case of setting
virtual stack vars register (from built in setjmp); when parameter
lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
(subst_constant): Add new parm, MEMONLY.
(expand_inline_function, integrate_parm_decls): Pass new parm.
(integrate_decl_tree): Likewise.
(copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
(try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
(copy_rtx_and_substitute, case SET): Add explicit calls to
copy_rtx_and_substitute for both sides.
* stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
constraints.
(pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
within INDEX_TYPE, instead of before.
(fixup_gotos): Use f->target_rtl, not the next insn,
since latter may be from a later fixup.
(expand_value_return): Correctly convert VAL when promoting function
return; support RETURN_REG being a PARALLEL.
(expand_return): When checking for result in regs and having
cleanup, consider PARALLEL in DECL_RTL as being in regs.
From-SVN: r30299
* Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
* libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
initializers is some circumstances.
From-SVN: r27489
* libgcc2.c (throw_helper): Just return the SP offset, rather than
a whole udata. Include args_size in the offset.
(__throw, __rethrow): Adjust.
From-SVN: r26066
* cppfiles.c (INO_T_EQ): Handle UWIN.
* c-common.c (decl_attributes): Flag unrecognized attribute
functions as warnings instead of as errors.
Support for i386-pc-uwin.
* i386/uwin.h: New file.
* i386/xm-uwin.h: New file.
* i386/t-uwin: New file.
* i386/uwin.asm: New file.
* configure.in (i[3456]86-*-uwin*): Define.
Add Workaround for vfork bug when hosted on uwin.
* configure: Regenerate.
* cccp.c (INO_T_EQ): Undefine. UWIN has inodes.
(absolute_filename): UWIN uses POSIX pathnames only.
* libgcc2.c (getpagesize): Do not define for UWIN.
(mprotect): Likewise.
* protoize.c (dirent.h): Conditionally include.
(fputc): Prototype only if it's not a macro.
From-SVN: r25696
Tue Dec 8 15:32:56 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
See ChangeLog.. These are the files that were changed:
* eh-common.h (struct eh_context): Add table_index for rethrows.
* rtl.h (enum reg_note): Add REG_EH_REGION and REG_EH_RETHROW reg notes.
* rtl.c (reg_note_name): Add strings for new reg_note enums.
* expr.h (rethrow_libfunc): New library decl.
* optabs.c (rethrow_libfunc): Initialize.
* except.h (struct eh_entry): Add new field 'rethrow_label'.
* except.c (create_rethrow_ref): New function to create a single
* flow.c (make_edges): Add different edges for rethrow calls,
* integrate.c (save_for_inline_eh_labelmap): New callback routine to
* libgcc2.c (find_exception_handler): Generalize to enable it to
* cp/except.c
* cp/exception.cc
From-SVN: r24194
* libgcc2.c (top_elt): Remove top_elt, it isn't thread safe.
The strategy we now use is to pre allocate the top_elt along
with the EH context so that each thread has its own top_elt.
This is necessary as the dynmanic cleanup chain is used on the
top element of the stack and each thread MUST have its own.
(eh_context_static): Likewise.
(new_eh_context): Likewise.
(__sjthrow): Likewise.
From-SVN: r23818
* Makefile.in (flow.o): Depend on recog.h.
* cpplib.h (directive_table): Add missing initializiers.
(finclude): Change type of variable `bsize' to size_t.
* cse.c (rtx_cost): Mark parameter `outer_code' with ATTRIBUTE_UNUSED.
* dwarfout.h (dwarfout_label): Wrap prototype in macro RTX_CODE.
* fix-header.c (lookup_std_proto): Cast the result of `strlen' to
`int' when comparing against one.
(cpp_file_line_for_message): Mark parameter `pfile' with
ATTRIBUTE_UNUSED.
(cpp_fatal): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
* flow.c: Include recog.h.
(sbitmap_copy): Cast arguments 1 & 2 of `bcopy' to (PTR).
* function.c (thread_prologue_and_epilogue_insns): Mark parameter
`f' with ATTRIBUTE_UNUSED.
(reposition_prologue_and_epilogue_notes): Likewise.
* genopinit.c (gen_insn): Cast argument of ctype functions to
`unsigned char'.
* haifa-sched.c: Include recog.h.
(blockage_range): Cast result of UNIT_BLOCKED macro to (int) when
comparing against one.
* libgcc2.a (__throw): Revert ATTRIBUTE_UNUSED change for now.
* mips-tfile.c (parse_end): Cast the argument of ctype function to
`unsigned char'.
(parse_ent): Likewise.
(parse_input): Likewise.
* optabs.c (init_libfuncs): Likewise.
* protoize.c (find_rightmost_formals_list): Likewise.
* recog.h (const_double_operand): Fix typo in prototype.
* tlink.c (scan_linker_output): Cast the argument of ctype
function to `unsigned char'.
* toplev.c (check_lang_option): Cast the result of `strlen' to
`int' when comparing against one.
From-SVN: r23155
Mon Sep 21 17:15:26 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
* expr.h (eh_rtime_match_libfunc): New extern declaration.
* optabs.c (init_optabs): Set eh_rtime_match_libfunc.
* except.c (start_catch_handler): Use eh_rtime_match_libfunc.
* libgcc2.c (__eh_rtime_match): Always return 0 if the matcher is
NULL. Only include <stdio.h> if inhibit_libc is not defined.
From-SVN: r22532
Tue Sep 15 14:10:54 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
* except.h (struct eh_entry): Add false_label field.
(end_catch_handler): Add prototype.
* except.c (push_eh_entry): Set false_label field to NULL_RTX.
(start_catch_handler): When using old style exceptions, issue
runtime typematch code before continuing with the handler.
(end_catch_handler): New function, generates label after handler
if needed by older style exceptions.
(expand_start_all_catch): No need to check for new style exceptions.
(output_exception_table_entry): Only output the first handler label
for old style exceptions.
* libgcc2.c (__eh_rtime_match): New routine to lump runtime matching
mechanism into one function, if a runtime matcher is provided.
1998-09-15 Andrew MacLeod <amacleod@cygnus.com>
* cp/except.c (expand_start_catch_block): No need to check for new
exception model.
(process_start_catch_block_old): Deleted.
(process_start_catch_block): Add call to start_decl_1().
(expand_end_catch_block): Add call to end_catch_handler().
* cp/exception.cc (__cplus_type_matcher): Only check the exception
language if there is an exception table.
From-SVN: r22425
Tue Jun 23 13:38:18 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
* libgcc2.c (__get_eh_table_version, __get_eh_table_language): New
functions to return exception descriptor information.
(find_exception_handler): Pass match_info field to runtime matcher,
not a descriptor table entry.
* exception.cc (__cplus_type_matcher): Get a match_info pointer
instead of an exception table entry as a parameter.
From-SVN: r20673
Have -fnew-exceptions actually use the runtime field, and not generate
runtime checking code inside each handler.
THis works at low opt, but not with optimization at the moment.
Tue Jun 23 10:06:07 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
* eh-common.h (struct __eh_info): Remove coerced value field.
* libgcc2.c (find_exception_handler): Don't set coerced_value field.
* except.c (get_dynamic_handler_chain, get_dynamic_cleanup_chain): Use
POINTER_SIZE instead of Pmode.
(expand_start_all_catch): Call start_catch_handler() if we are not
using new style exceptions.
1998-06-22 Andrew MacLeod (amacleod@cygnus.com)
* parse.y (function_try_block): Don't call start_catch_handler.
* except.c (call_eh_info): Remove coerced field from declaration.
(build_eh_type_type_ref): New function to create an address of a
rtti function for the new style exception tables.
(expand_start_catch_block): Split function, this contains the
common part.
(process_start_catch_block_old): New function to perform the rest
of expand_start_catch_block under old style exceptions.
(process_start_catch_block_old): New function to perform the rest
of expand_start_catch_block under new style exceptions.
(expand_end_catch_block): Only pop the false label off the stack under
the old style of exceptions.
* semantics.c (finish_try_block): Don't call start_catch_handler.
* exception.cc (struct cp_eh_info): Add original_value field.
(__cplus_type_matcher): Perform type matching on the original exception
value, and if we have a match, set the current value.
(__cp_push_exception): Set the original expcetion value.
From-SVN: r20671
Wed Jun 17 16:25:38 EDT 1998 Andrew MacLeod (amacleod@cygnus.com)
* except.c (add_new_handler): fix bug in finding last region handler.
* libgcc2.c (find_exception_handler): Pass exception table pointer
to runtime type matcher, not the match info field.
From-SVN: r20541
* Makefile.in (varasm.o): Depend on dbxout.h.
(cse.o): Depend on toplev.h and output.h.
(gcse.o): Depend on output.h.
* mips.c: Include system.h and toplev.h and remove redundant code.
Include output.h after tree.h so all its prototypes get activated.
* mips.md (table_jump): Remove unused variable `dest'.
* sparc.h: Add prototype for `v8plus_regcmp_op'.
* crtstuff.c (fini_dummy, init_dummy): Mark function definitions
with __attribute__ ((__unused__)).
(__frame_dummy): Provide prototype before use, wrap it with
EH_FRAME_SECTION_ASM_OP.
* cse.c: Move inclusion of <setjmp.h> above local headers.
Include toplev.h and output.h.
* dbxout.h: Add prototype for `dbxout_begin_function'.
* final.c (final_scan_insn): Wrap variable `max_skip' in macro
ASM_OUTPUT_MAX_SKIP_ALIGN.
* gcse.c: Include system.h and output.h.
(dump_cuid_table, dump_rd_table, dump_cprop_data, dump_pre_data):
Make extern instead of static.
(compute_can_copy): Only declare variables `reg' and `insn' when
AVOID_CCMODE_COPIES is not defined.
(record_set_info): Mark parameter `setter' with ATTRIBUTE_UNUSED.
(hash_scan_clobber): Likewise for `x' and `insn'.
(hash_scan_call): Likewise.
(record_last_set_info): Likewise for `setter'.
(mark_call): Likewise for `pat'.
(pre_insert_insn): Wrap variable `note' in macro HAVE_cc0.
* libgcc2.c (__bb_init_prg): Replace bzero with memset and fix the
length parameter so that it multiplies the number of elements by
the sizeof(element).
* output.h: Add prototype for `weak_finish'.
* recog.h: Likewise for `validate_replace_src'.
* rtl.h: Likewise for `optimize_save_area_alloca',
`fix_sched_param', `purge_addressof', `gcse_main',
`regmove_optimize', `dbr_schedule', `branch_prob' and
`end_branch_prob'.
* toplev.h: Likewise for `set_float_handler' and
`output_quoted_string'.
* varasm.c: Include dbxout.h.
From-SVN: r20351
Thu Jun 8 14:16:15 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
* eh-common.h: Remove NEW_EH_MODEL compile time flag, and replace with
flag_new_exceptions runtime flag.
(struct old_exception_table): New struct which represents what
the exception table looks like without the new model.
(NEW_EH_RUNTIME): New value used as a tag in the exception table to
flag that this is a new style table.
* except.h: Remove compile time flag NEW_EH_MODEL.
(expand_builtin_eh_stub_old): New prototype.
* tree.h (enum built_in_function): Add BUILT_IN_EH_STUB_OLD.
* expr.c (expand_builtin): New builtin func BUILT_IN_EH_STUB_OLD.
* c-decl.c (init_decl_processing): Add new builtin function
__builtin_eh_stub_old.
* final.c (final_scan_insn): Replace compile time flag NEW_EH_MODEL.
* flags.h (flag_new_exceptions): New runtime flag.
* toplev.c (flag_new_exceptions): Initialize default to 0,
-fnew-exceptions sets to 1.
* except.c (output_exception_table_entry): Output New style exception
identifier into table, and replace compile time flag NEW_EH_MODEL
with runtime flag flag_new_exceptions.
(output_exception_table): Replace compile time flag NEW_EH_MODEL.
(expand_builtin_eh_stub_old): Duplicates original functionality of
expand_builtin_eh_stub.
(expand_builtin_eh_stub): Replace compile time flag NEW_EH_MODEL.
* libgcc2.c (find_exception_handler): Remove NEW_EH_MODEL #ifdefs.
(old_find_exception_handler): New func, same as find_exception_handler
except it works on the old style exception table.
(__throw): Replace NEW_EH_MODEL. Detect new model based on presence
of identifier in the exception table, and call appropriate routines.
1998-06-08 Andrew MacLeod <amacleod@cygnus.com>
* except.c (init_exception_processing): Remove NEW_EH_MODEL compile
time flag. Call __cp_eh_info instead of __cp_exception_info.
* exception.cc (struct cp_eh_info): Remove NEW_EH_MODEL flag.
(__cp_exception_info): Return offset into cp_eh_info structure to
match what use to be the start of this structure.
(__cp_eh_info): New function to return a pointer to cp_eh_info struct.
(__cplus_type_matcher, __cp_push_exception): Remove NEW_EH_MODEL
compile time flag.
(__uncatch_exception, __check_eh_spec, std::uncaught_exception): Call
__cp_eh_info instead of __cp_exception_info.
From-SVN: r20336
* Makefile.in (c-lang.o): Depend on c-tree.h, c-lex.h and toplev.h.
(c-lex.o): Depend on output.h.
(c-common.o): Likewise.
(stmt.o): Likewise.
(calls.o): Likewise.
(integrate.o): Depend on toplev.h.
(regclass.o): Depend on output.h.
(final.o): Depend on reload.h.
* c-common.c: Include output.h.
(check_format_info): Remove unused variable `integral_format'.
* c-decl.c (print_lang_decl): Mark parameters `file', `node' and
`indent' with ATTRIBUTE_UNUSED.
(print_lang_type): Likewise.
(maybe_build_cleanup): Likewise for parameter `decl'.
(copy_lang_decl): Likewise for parameter `node'.
* c-lang.c: Include c-tree.h, c-lex.h and toplev.h.
(lang_print_xnode): Mark parameters `file', `node' and `indent'
with ATTRIBUTE_UNUSED.
(lookup_interface): Likewise for parameter `arg'.
(is_class_name): Likewise.
(maybe_objc_check_decl): Likewise for parameter `decl'.
(maybe_objc_comptypes): Likewise for parameters `lhs', `rhs' and
`reflexive'.
(maybe_objc_method_name): Likewise for parameter `decl'.
(build_objc_string): Likewise for parameters `len' and `str'.
* c-lex.c: Include output.h.
* c-lex.h (position_after_white_space): Correct typo in prototype.
* c-tree.h (finish_file, c_expand_start_cond, c_expand_start_else,
c_expand_end_cond, init_iterators): Add prototypes.
* caller-save.c (set_reg_live): Mark parameters `reg' and `setter'
with ATTRIBUTE_UNUSED.
* calls.c: Include output.h.
* cccp.c (pipe_closed): Mark parameter `signo' with
ATTRIBUTE_UNUSED.
* combine.c: Move inclusion of expr.h to after insn-config.h.
* iris6.h (ASM_IDENTIFY_GCC, ASM_IDENTIFY_LANGUAGE): Don't define
as empty, rather define as ((void)0).
* sparc.c (sparc_check_64): Add braces around ambiguous `else'.
Add parentheses around assignment used as truth value.
* cplus-dem.c (squangle_mop_up): Change return type to void.
(internal_cplus_demangle): Remove unused parameter `options'.
All callers changed.
(cplus_demangle_opname): Remove function wide variable `int i' and
replace with `size_t i' at each location where it is used.
(cplus_demangle_opname): change type of `i' from int to size_t.
* cppexp.c (right_shift): Mark parameter `pfile' with
ATTRIBUTE_UNUSED.
* cpphash.c (cpp_lookup): Likewise.
(cpp_hash_cleanup): Likewise.
* cpplib.c (parse_name): Add a prototype and make it static.
(null_underflow): Mark parameter `pfile' with ATTRIBUTE_UNUSED.
(null_cleanup): Likewise for parameters `pbuf' and `pfile'.
(macro_cleanup): Likewise for parameter `pfile'.
(file_cleanup): Likewise.
* cpplib.h (cpp_reader_init, cpp_options_init, cpp_start_read,
cpp_read_check_assertion, skip_rest_of_line): Add prototypes.
* crtstuff.c (force_to_data, __CTOR_LIST__, force_to_data,
__DTOR_END__, __FRAME_END__): Mark with ATTRIBUTE_UNUSED.
* cse.c (cse_check_loop_start): Mark parameter `set' with
ATTRIBUTE_UNUSED.
* dbxout.c (flag_minimal_debug, have_used_extensions,
source_label_number): Move inside macro wrapper check against
defined (DBX_DEBUGGING_INFO) || defined (XCOFF_DEBUGGING_INFO).
* dwarf2out.c (gen_entry_point_die): Hide prototype and definition.
* except.h (doing_eh): Provide prototype.
* expr.c: Move inclusion of expr.h to after insn-config.h.
* final.c: Include reload.h.
(shorten_branches): Cast the first argument of bzero to char *.
* fix-header.c (cpp_print_containing_files): Mark parameter
`pfile' with ATTRIBUTE_UNUSED.
(cpp_fatal): Likewise.
* flow.c (find_basic_blocks_1): Cast the first argument of bzero
to char *.
* genattrtab.c (make_length_attrs): Change the type of variable
`i' from int to size_t.
(zero_fn): Mark parameter `exp' with ATTRIBUTE_UNUSED.
(one_fn): Likewise.
* genextract.c (main): When generating insn-extract.c, mark
variable `junk' with ATTRIBUTE_UNUSED.
* gengenrtl.c (gencode): When generating genrtl.c, cast the first
argument of bzero to char*.
* integrate.c: Include toplev.h.
* libgcc2.c: Wrap `struct exception_table' and
`find_exception_handler' in macro DWARF2_UNWIND_INFO.
* objc/Make-lang.in (objc-act.o): Depend on toplev.h.
* objc/objc-act.c: Include toplev.h.
(lang_print_xnode): Mark parameters `file', `node' and `indent'
with ATTRIBUTE_UNUSED.
(finish_protocol): Likewise for parameter `protocol'.
* output.h (declare_weak): Add prototype.
(decode_reg_name): Don't wrap with TREE_CODE macro.
(assemble_alias): Add prototype.
* regclass.c: Include output.h.
* reload.h (reloads_conflict): Add prototype.
* rtl.h (print_rtl_single, mark_elimiation, reg_class_subset_p,
output_func_start_profiler): Add prototypes.
* rtlanal.c (reg_set_p_1): Mark parameters `x' and `pat' with
ATTRIBUTE_UNUSED.
* scan-decls.c: Include scan.h.
* scan.h (recognized_function, recognized_extern): Add prototypes.
* stmt.c: Include output.h.
* toplev.c (error_for_asm, warning_for_asm): Remove prototypes.
(output_lang_identify): Hide prototype and definition.
(float_signal): Mark parameter `signo' with ATTRIBUTE_UNUSED.
(pipe_closed): Likewise.
* toplev.h (count_error, strip_off_ending, error_for_asm,
warning_for_asm): Add prototypes.
From-SVN: r19712
* frame.c: Include stdlib.h and unistd.h to possibly get various
function prototypes. The fixproto script guarantees these header
files exist on the target system.
* libgcc2.c: Likewise.
* gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
__gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
function parameters.
* libgcc2.c (__udiv_w_sdiv): Likewise.
From-SVN: r19261
* gthr.h: Changed the comment about return values.
* gthr-solaris.h (__gthread_once): Do not use errno; return the
error number instead of -1.
(__gthread_key_create): Any non-zero return value is an error.
* libgcc2.c (eh_context_initialize): Check for non-zero return
value from __gthread_once.
Check that the value of get_eh_context was really changed.
From-SVN: r18480
* c-aux-info.c: Include string.h/strings.h.
* pa.c: Include stdlib.h.
(pa_combine_instructions): Prototype the function.
(pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
(reloc_needed): Add default case for enumeration switch.
(remove_useless_addtr_insns): Remove unused variable `all'.
(hppa_expand_prologue): Add explicit braces to avoid
ambiguous `else'.
(output_function_epilogue): Remove unused variable `i'.
(output_millicode_call): Remove unused variable `link'.
(shadd_constant_p, forward_branch_p): Make the function static.
(following_call): Explicitly declare to return int.
(pa_reorg): Declare as void.
(pa_combine_instructions): Declare as static void. Add
parentheses around && within ||.
* pa.h: Add prototypes for pa_reorg, symbolic_operand,
following_call, function_label_operand, lhs_lshift_cint_operand
and zdepi_cint_p.
* pa.md: Add parentheses around && within ||.
* cppalloc.c: Include stdlib.h.
* cpperror.c (cpp_print_containing_files): Remove unused variable
`i'. Fix format specifier in fprintf.
* cse.c (cse_around_loop): Add explicit braces to avoid
ambiguous `else'.
(delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
* expr.c (expand_expr): Add parentheses around && within ||.
* final.c (app_enable): Replace fprintf with fputs where there are
no format specifiers and no trailing argument after the string.
Eg, when printing ASM_APP_ON/ASM_APP_OFF.
(app_disable): Likewise.
(final_end_function): Likewise.
(final_scan_insn): Likewise. Remove unused variable `set'.
(profile_function): Wrap empty if-statement body in {} brackets.
* function.c: Include stdlib.h.
(pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
(reposition_prologue_and_epilogue_notes): Add parentheses
around assignment used as truth value.
* integrate.c (expand_inline_function): Wrap variable
`cc0_insn' in macro HAVE_cc0.
* jump.c (jump_optimize): Wrap variable `q' in macro
HAVE_cc0. Remove unused variable `prev1'.
* libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
within ||. Fix format specifier in fprintf.
(__bb_init_prg): Add parentheses around assignment used as
truth value.
* local-alloc.c: Include stdlib.h.
(requires_inout): Add parentheses around assignment used
as truth value.
* loop.c (analyze_loop_iterations): Wrap prototype and definition
in macro HAVE_decrement_and_branch_on_count.
(insert_bct, instrument_loop_bct): Likewise.
(move_movables): Add parentheses around assignment used as
truth value.
(consec_sets_invariant_p): Likewise.
(maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
* objc/objc-act.c: Include stdlib.h.
(lookup_method_in_protocol_list): Wrap empty else-statement body
in braces.
(lookup_protocol_in_reflist): Likewise.
(objc_add_static_instance): Remove unused variables `decl_expr'
and `decl_spec'.
(get_objc_string_decl): Remove unused variable `decl'.
(generate_static_references): Remove unused variables `idecl' and
`instance'.
(check_protocols): Wrap empty else-statement body in braces.
* protoize.c: Include stdlib.h.
(substr): Add parentheses around assignment used as truth value.
(abspath): Likewise.
(shortpath): Likewise.
* regmove.c (fixup_match_1): Add parentheses around assignment
used as truth value.
* reload.c (push_secondary_reload): Remove unused variable `i'.
(find_reloads): Add parentheses around assignment used as truth
value.
* reload1.c: Include stdlib.h.
* rtl.h: Correct typo in prototype of offsettable_memref_p.
* stmt.c (add_case_node): Add parentheses around assignment used
as truth value.
(case_tree2list): Likewise.
* tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
`type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
(merge_attributes): Add explicit braces to avoid ambiguous
`else'.
* unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
macro HAVE_cc0.
* varasm.c: Include stdlib.h.
From-SVN: r18290
* Makefile.in (GTHREAD_FLAGS): New var.
(LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
(distclean): Remove gthr-default.h.
* configure.in: Accept dce as a thread package.
Check for thread.h and pthread.h.
Link gthr-default.h to appropriate thread file and set
gthread_flags.
(hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
include multilib definitions from pa/t-dce-thr.
(sparc-*-solaris2*): Enable threads by default, if thread.h or
pthread.h is found, preferring posix threads over solaris ones.
* config/pa/t-dce-thr: New file.
* config/pa/t-pa: Removed multilibs.
* config/sparc/t-sol2: Ditto.
* gthr.h: New file.
* gthr-single.h: New file.
* gthr-posix.h: New file.
* gthr-solaris.h: New file.
* gthr-dce.h: New file.
* libgcc-thr.h: Removed.
* objc/thr-dce.c: New file copied from thr-decosf1.c.
* frame.c: Include gthr.h instead of libgcc-thr.h.
* libgcc2.c: Include gthr.h instead of libgcc-thr.h.
(eh_context_initialize): If __gthread_once fails, use static eh
context.
(eh_context_free): Call __gthread_key_dtor.
From-SVN: r17235
Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
Thread-safe EH support for pthreads, DCE threads and Solaris threads.
* integrate.c (expand_inline_function): If the inline fn uses eh
context, make sure that the current fn has one.
* toplev.c (rest_of_compilation): Call emit_eh_context.
* except.c (use_eh_context): New fn.
(get_eh_context_once): New fn.
(call_get_eh_context): New fn.
(emit_eh_context): New fn.
(get_eh_context): Call either get_eh_context_once or
call_get_eh_context, depending on what we have.
(get_dynamic_handler_chain): Call get_eh_context_once.
* except.h: Prototypes for fns above.
* optabs.c (get_eh_context_libfunc): Removed.
(init_optabs): Don't initialize it.
* expr.h (get_eh_context_libfunc): Removed.
* rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
* config/pa/pa.h (CPP_SPEC): Support for -threads.
* config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
* config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
New multilib for -threads.
* config/sparc/t-sol2: Added multilibs for -threads and
made -pthreads alias to it.
* config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
Added -threads and -pthreads options.
* libgcc-thr.h: New file.
* libgcc2.c: (__get_cpp_eh_context): Removed.
(struct cpp_eh_context): Removed.
(struct eh_context): Replaced cpp_eh_context with generic language
specific pointer.
(__get_eh_info): New function.
(__throw): Check eh_context::info.
(__sjthrow): Ditto.
* libgcc2.c: Include libgcc-thr.h.
(new_eh_context, __get_eh_context,
eh_pthread_initialize, eh_context_initialize, eh_context_static,
eh_context_specific, eh_context_free): New functions.
(get_eh_context, eh_context_key): New variables.
(__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
get_eh_context to get the context.
(longjmp): Move the declaration inside
#ifdef DONT_USE_BUILTIN_SETJMP.
* frame.c: Include libgcc-thr.h.
(object_mutex): Mutex to protect the object list.
(find_fde, __register_frame, __register_frame_table,
__deregister_frame): Hold the lock while accessing objects.
* except.h (get_eh_context): Declare.
* except.c (current_function_ehc): Define.
(current_function_dhc, current_function_dcc): Removed.
(get_eh_context): New function.
(get_dynamic_handler_chain): Use get_eh_context.
(get_saved_pc_ref): Ditto.
(get_dynamic_cleanup_chain): Removed references to
current_function_dcc.
(save_eh_status, restore_eh_status): Save and restore
current_function_ehc instead.
* optabs.c (get_eh_context_libfunc): New variable.
(init_optabs): Initialize it.
* expr.h: Declare get_eh_context_libfunc.
* function.h (struct function): Replaced dhc and dcc with ehc.
* except.c (get_saved_pc_ref): New functions.
(eh_saved_pc_rtx, eh_saved_pc): Deleted.
(expand_internal_throw_indirect): Use get_saved_pc_ref() instead
of eh_saved_pc.
(end_eh_unwinder): Likewise.
(init_eh): Remove initialization of eh_saved_pc.
* optabs.c (get_saved_pc_libfunc): New variable.
(init_optabs): Initialize it.
* expr.h: Declare get_saved_pc_libfunc.
* except.h (eh_saved_pc_rtx): Deleted.
(get_saved_pc_ref): Declared.
From Scott Snyder <snyder@d0sgif.fnal.gov>:
* libgcc2.c (__get_saved_pc): New.
(__eh_type, __eh_pc): Deleted.
(__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
(__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
this fcn.
cp/:
Thu Dec 11 20:43:33 1997 Teemu Torma <tot@trema.com>
* decl.c (ptr_ptr_type_node): Define.
(init_decl_processing): Initialize it.
* cp-tree.h: Declare it.
* exception.cc (__cp_exception_info): Use __get_eh_info.
(__cp_push_exception): Ditto.
(__cp_pop_exception): Ditto.
From Scott Snyder <snyder@d0sgif.fnal.gov>:
* except.c (expand_builtin_throw): Use get_saved_pc_ref instead of
saved_pc.
(init_exception_processing): Removed saved_pc initialization.
From-SVN: r17052
* haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
All references changed.
* rtl.h: Protect from multiple inclusions. Add many prototypes.
* libgcc2.c (string.h): Hoist inclusion to occur before first use of
string functions like strlen.
More pending patches.
From-SVN: r17024
* except.c: Lose outer_context_label_stack.
(expand_eh_region_end): Rethrow from outer_context here.
(expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
(expand_internal_throw): Take no args.
(expand_internal_throw_indirect): Lose.
(expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
(expand_start_all_catch): Start a rethrow region.
(expand_end_all_catch): End it.
(expand_rethrow): New fn.
* except.h: Reflect above changes.
cp/: * except.c (expand_end_catch_block): Lose rethrow region.
(expand_start_catch_block): Likewise.
(expand_end_catch_block): Don't expand_leftover_cleanups.
From-SVN: r16937
* integrate.c (output_inline_function): Just unset DECL_INLINE.
Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
* dwarf2out.c (outout_call_frame_info): Ensure that the info has
proper alignment.
* libgcc2.c (__throw): Initialize HANDLER.
From-SVN: r16724
./: * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
* libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
__builtin_delete, and __builtin_vec_delete.
* except.c (output_exception_table): Don't bother with
__EXCEPTION_END__.
cp/:
* Make-lang.in (CXX_LIB2FUNCS): Add new op new and op delete objs.
(various.o): Likewise.
* inc/new: Add placement deletes. Add throw specs for default new.
* new.cc (set_new_handler): Move here from libgcc2.
* new1.cc (new (nothrow)): Catch a bad_alloc thrown from the handler.
(new): Move from libgcc2. Throw bad_alloc.
* new2.cc: Move the rest of the op news and op deletes from libgcc2.
* decl.c (init_decl_processing): Update exception specs on new and
delete.
From-SVN: r16617
Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
* libgcc2.c (L_eh): Define __eh_pc.
Replace __eh_type with generic pointer __eh_info.
Fri Oct 31 01:47:57 1997 Jason Merrill <jason@yorick.cygnus.com>
Support for nested exceptions.
* tinfo2.cc (__is_pointer): New fn.
* exception.cc (struct cp_eh_info): Define.
(__cp_exception_info, __uncatch_exception): New fns.
(__cp_push_exception, __cp_pop_exception): New fns.
* except.c: Lose saved_throw_{type,value,cleanup,in_catch}.
Lose empty_fndecl.
(init_exception_processing): Likewise. __eh_pc is now external.
(push_eh_info): New fn.
(get_eh_{info,value,type,caught}): New fns.
(push_eh_cleanup): Just call __cp_pop_exception.
(expand_start_catch_block): Use push_eh_info. Start the eh region
sooner.
(expand_end_eh_spec): Use push_eh_info.
(expand_throw): Call __cp_push_exception to set up the exception info.
Just pass the destructor or 0 as the cleanup. Call __uncatch_exception
when we rethrow.
(expand_builtin_throw): Don't refer to empty_fndecl.
From-SVN: r16248
* tree.c (restore_tree_status): Also free up temporary storage
when we finish a toplevel function.
(dump_tree_statistics): Print stats for backend obstacks.
* libgcc2.c (__throw): Don't copy the return address.
* dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
* except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
* toplev.c (main): Initialize exceptions_via_longjmp.
* tree.c: Add extra_inline_obstacks.
(save_tree_status): Use it.
(restore_tree_status): If this is a toplevel inline obstack and we
didn't want to save anything on it, recycle it.
(print_inline_obstack_statistics): New fn.
* function.c (pop_function_context_from): Pass context to
restore_tree_status.
* obstack.h (obstack_empty_p): New macro.
From-SVN: r16050
* final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
* dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
(dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
* except.c (end_eh_unwinder): Subtract 1 from return address.
* libgcc2.c (__throw): Likewise.
(find_exception_handler): Don't change PC here. Compare end with >.
From-SVN: r15554
* libgcc2.c (find_exception_handler): Subtract one from our PC when
looking for a handler, to avoid hitting the beginning of the next
region.
* except.c (expand_builtin_set_return_addr_reg): Use force_operand.
From-SVN: r15534
* libgcc2.c (__eh_ffetmnpc): Add support for machines that cannot
access globals after throw's epilogue when -fno-sjlj-exceptions is
used.
* rs6000.c (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
* mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
(INITIAL_ELIMINATION_OFFSET): Fix RETURN_ADDRESS_POINTER_REGNUM
for 64 bit words, with 32 bit pointers and variable endianness.
Fixes throwing across shared library lines (useful at times on mips and rs6000)
From-SVN: r14168
* except.c (start_dynamic_handler): Fix so that we can use
__builtin_setjmp, and default to using __builtin_setjmp instead of
setjmp.
* expr.c (expand_builtin_setjmp): New routine, split out from
existing inline code from expand_builtin.
(expand_builtin): Split out code into expand_builtin_setjmp.
* expr.h (expand_builtin_setjmp): Add declaration.
* libgcc2.c (__sjthrow): Default to using __builtin_setjmp instead
of setjmp.
(__sjpopnthrow): Likewise.
* optabs.c (init_optabs): Likewise.
From-SVN: r14045
* libgcc2.c (find_exception_table): Fix to logic to deal with
functions that are in their own section, such as template
instantiations, that cause overlapping EH tables.
From-SVN: r13830
* libgcc2.c (__throw): New routine.
(__eh_pc): New data object for exception handling.
* except.c (eh_saved_pc): New object so we can call
assemble_external.
(expand_internal_throw_indirect): Call assemble_external for
__eh_pc.
(end_eh_unwinder): Ditto.
(init_eh): Initialize eh_saved_pc.
fixes eh6.C on rs6000 and alpha
From-SVN: r12646
(HAVE_POPEN): Test new define.
(struct __bb, struct bb_{edge,func}): New structs.
(__bb_init_{prg,file},__bb_{init,exit}_trace_func,__bb_trace_ret,
(__bb_trace_func{,_ret},gopen,gclose): New functions.
From-SVN: r10850
* libgcc2.c (__empty): An empty function used by the C++ frontend for
defaulting cleanup actions.
* tree.c (save_tree_status, restore_tree_status): Save and restore
temporary_firstobj, so that in progress objects that live on the
temporary obstack are not reallocated, if we save and restore the
tree status in their lifetime.
From-SVN: r10799
[L_udivdi3 || L_divdi3 || L_umoddi3 || L_moddi3] (__udivmoddi4):
Define this `static inline' when defining these, so they all remain
leaf functions.
From-SVN: r10305
* libgcc2.c (__register_exceptions): Find max ending of a segment for
end, not min.
* libgcc2.c (__unwind_function): New function to support stack
unwinding on i[34]86 for g++ exception handling.
From-SVN: r8571
* libgcc2.c (__builtin_vec_{delete,new}): New functions per the
latest C++ working paper.
(__default_new_handler): No longer static.
(__set_new_handler): Lose.
From-SVN: r7043
