* final.c (HAVE_READONLY_DATA_SECTION): New.
(shorten_branches): Use it instead of ifdefs.
* varasm.c (enum in_section): Add in_readonly_data.
(text_section, data_section): Tidy.
(readonly_data_section): Use READONLY_DATA_SECTION_ASM_OP if present.
Jason Thorpe [Sat, 18 May 2002 19:02:03 +0000 (19:02 +0000)]
c-common.c (c_common_post_options): Warn if -Wformat-zero-length is used without -Wformat.
* c-common.c (c_common_post_options): Warn if -Wformat-zero-length
is used without -Wformat.
* c-common.h (warn_format_zero_length): Declare extern.
* c-decl.c (warn_options): Add "format-zero-length".
* c-format.c (warn_format_zero_length): Declare.
(set_Wformat): Set warn_format_zero_length for -Wformat.
(check_format_info): Only warn about zero-length formats if
warn_format_zero_length is true. Include the format type
name in the warning message.
* doc/invoke.texi: Document -Wformat-zero-length.
* testsuite/gcc.dg/format/zero-length-1.c: New test.
Paolo Carlini [Sat, 18 May 2002 15:10:24 +0000 (17:10 +0200)]
re PR libstdc++/6503 ((Deque) Iterators are not typesafe)
2002-05-18 Paolo Carlini <pcarlini@unitus.it>
PR libstdc++/6503
* include/bits/stl_deque.h (_Deque_iterator::operator==,
operator!=, operator<, operator>, operator>=, operator<=):
Make non-member functions, to allow comparing const and
non-const iterators in any order.
* testsuite/23_containers/deque_operators.cc: New testfile.
Zack Weinberg [Sat, 18 May 2002 00:43:13 +0000 (00:43 +0000)]
cppinit.c (struct builtin): Remove unused fields.
* cppinit.c (struct builtin): Remove unused fields.
(CPLUS, BUILTIN, OPERATOR, O, builtin_array_end): Kill.
(operator_array): New - was second half of builtin_array.
(init_builtins): Simplify loop over builtin_array/operator_array.
expr.c (init_expr_once): Don't use start/end_sequence.
* expr.c (init_expr_once): Don't use start/end_sequence.
Use rtx_alloc instead of emit_insn.
* toplev.c (lang_dependent_init): Run init_expr_once here ...
(lang_independent_init): ... not here.
* config/avr/avr.c (avr_regs_to_save): New function. Also check
for fixed registers, possibly used for global register variables.
(initial_elimination_offset, avr_output_function_prologue,
avr_output_function_epilogue): Move common code to avr_regs_to_save.
Neil Booth [Fri, 17 May 2002 20:16:48 +0000 (20:16 +0000)]
Makefile.in: Update for cpptrad.c.
* Makefile.in: Update for cpptrad.c.
* cpphash.h (struct cpp_buffer): New members for buffer
overlays.
(struct cpp_reader): New members for traditional output.
(_cpp_read_logical_line, _cpp_overlay_buffer): New.
* cppinit.c (cpp_create_reader): Set trad_line.
(cpp_destroy): Free trad_out_base if used.
(cpp_read_main_file): Overlay an empty buffer if traditional.
(cpp_finish_options): Don't do builtins.
(COMMAND_LINE_OPTIONS): Add -traditional-cpp.
(cpp_handle_option): Handle it.
* cpplex.c (continue_after_nul): New.
(_cpp_lex_direct): Use handle_nul.
* cpplib.h (struct cpp_options): New traditional option.
* cpptrad.c: New file.
Neil Booth [Fri, 17 May 2002 19:37:43 +0000 (19:37 +0000)]
c-common.c (c_common_init_options): Use C89 for Objective-C, and set the options flag.
* c-common.c (c_common_init_options): Use C89 for Objective-C,
and set the options flag.
* cppinit.c (lang_flags): Remove objc.
(lang_defaults): Remove OBJC and OBJCXX.
(set_lang): Update.
(COMMAND_LINE_OPTIONS): Remove -+ and -lang-objc++.
(cpp_handle_option): Remove -+ and -lang-objc++.
For ObjC, just set a flag.
(print_help): Update.
* cpplib.h (enum c_lang): Remove CLK_OBJC and CLK_OBJCXX.
David S. Miller [Fri, 17 May 2002 17:01:06 +0000 (10:01 -0700)]
PR c/6689, PR optimization/6615
2002-05-17 David S. Miller <davem@redhat.com>
PR c/6689, PR optimization/6615
* local-alloc.c (struct equivalence): Rename 'src' to 'src_p'
and make it a pointer to rtx. Update comments.
(update_equiv_regs): When scanning for equivalences, record
address of SET_SRC (set) in reg_equiv[].src_p. Dereference
it while making the equiv replacements.
Neil Booth [Thu, 16 May 2002 19:09:40 +0000 (19:09 +0000)]
c-common.c (cb_register_builtins): Handle more built-ins here rather than in gcc.c specs.
* c-common.c (cb_register_builtins): Handle more built-ins
here rather than in gcc.c specs.
* gcc.c (cpp_unique_options): Move many built-ins to c-common.c.
(cpp_options): Pass -O flags even when only preprocessing.
* toplev.c (set_fast_math_flags): New prototype.
(fast_math_flags_set_p): New.
(set_no_fast_math_flags): Remove.
(decode_f_option): Update.
* toplev.h (set_fast_math_flags): Update.
(fast_math_flags_set_p): New.
(set_no_fast_math_flags): Remove.
config:
* c4x/c4x.c (c4x_override_options): Update.
* c-common.c (STDC_0_IN_SYSTEM_HEADERS, REGISTER_PREFIX):
Default-define here.
(builtin_define_with_value): Can now wrap the expansion in
quotation marks if such is wanted.
(cb_register_builtins): Update calls to builtin_define_with_value.
Define __REGISTER_PREFIX__, __USER_LABEL_PREFIX__, and __VERSION__
here.
(c_common_init): Set options->stdc_0_in_system_headers.
* c-lex.h: Update prototype of builtin_define_with_value.
* cppdefault.h: Remove default definitions of USER_LABEL_PREFIX
and REGISTER_PREFIX.
* cppinit.c (VERS, ULP, C, X): Kill.
(builtin_array): Remove entries for __VERSION__,
__USER_LABEL_PREFIX__, __REGISTER_PREFIX__, and
__HAVE_BUILTIN_SETJMP__. Make __STDC__ always a builtin, not
a constant.
(init_builtins): Kill off a bunch of now-dead code.
(COMMAND_LINE_OPTIONS): Remove -fleading-underscore and
-fno-leading-underscore.
(cpp_handle_option): Remove code to set user_label_prefix.
(cpp_post_options): Likewise.
* cpplib.h (struct cpp_options): Remove user_label_prefix.
(stdc_0_in_system_headers): New.
* cppmacro.c (builtin_macro): Check CPP_OPTION (pfile,
stdc_0_in_system_headers) too to decide the value of __STDC__.
* tradcpp.c (user_label_prefix): Kill.
(main): Remove code handling -f(no-)leading-underscore.
(initialize_builtins): Don't define __REGISTER_PREFIX__
or __USER_LABEL_PREFIX__.
(install_value): Wrap compound statement in dummy loop so the
macro works properly in an if statement.
Janis Johnson [Thu, 16 May 2002 18:37:06 +0000 (18:37 +0000)]
loop.h (struct loop_info): Add member has_prefetch.
* loop.h (struct loop_info): Add member has_prefetch.
* loop.c (PREFETCH_CONDITIONAL): Change default to 1.
(prescan_loop): Initialize has_prefetch.
(struct prefetch_info): Change prefetch_in_loop and
prefetch_before_loop from bit fields to ints.
(emit_prefetch_instructions): Several small fixes.
(check_dbra_loop): Don't reverse loop that uses prefetch.
Nick Clifton [Thu, 16 May 2002 15:17:41 +0000 (15:17 +0000)]
arm.c (arm_rtx_costs): Check for RTX being a SYMBOL_REF before calling CONSTANT_POOL_ADDRESS_P.
* config/arm/arm.c (arm_rtx_costs): Check for RTX being a
SYMBOL_REF before calling CONSTANT_POOL_ADDRESS_P.
(arm_adjust_cost): Check for RTX being a SYMBOL_REF before
calling CONSTANT_POOL_ADDRESS_P.
* config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Fix typo in code
to decide whether to define __arm__ or __thumb.
(THUMB_GO_IF_LEGITIMATE_ADDRESS): Check for RTX being a
SYMBOL_REF before calling CONSTANT_POOL_ADDRESS_P.
re PR c++/6620 (partial template specialization on int)
PR c++/6620
* pt.c (verify_class_unification): Don't check if PARM is template
parameter dependent. Simplify.
(unify) [TEMPLATE_PARM_INDEX]: Handle when ARG is a template
parameter dependent expression.
* cp/rtti.c (get_tinfo_decl): Don't call comdat_linkage.
Do set DECL_COMDAT.
(synthesize_tinfo_var): Take the public decl.
(create_real_tinfo_var): Likewise. Check DECL_COMDAT.
(emit_tinfo_decl): Adjust. Call import_export_decl.
* cp/decl2.c (import_export_decl): Simplify tinfo decl handling.
* config/mips/mips.c (mips_output_external): Don't do sdata
optimization for a variable with DECL_COMDAT set.
Aldy Hernandez [Thu, 16 May 2002 01:12:42 +0000 (01:12 +0000)]
altivec.h: Cleanups for tighter typechecking.
2002-05-15 Aldy Hernandez <aldyh@redhat.com>
* config/rs6000/altivec.h: Cleanups for tighter typechecking.
Cleanups for accepting modifiers on pointers.
Fix predicate typos.
Allow long pointers as well as int pointers.
2002-05-15 Eric Botcazou <ebotcazou@multimania.com>
* fold-const.c (fold) [LT_EXPR]: Move the transformation of a
comparison against the highest or lowest integer value before
the 'X >= CST to X > (CST - 1)' and 'X < CST to X <= (CST - 1)'
transformation and that of an unsigned comparison against 0
right after.
varasm.c (merge_weak): Error for any weakening after definition.
* varasm.c (merge_weak): Error for any weakening after definition.
Adjust weakening after use warning to catch more cases.
(assemble_alias): Set TREE_USED and TREE_ASM_WRITTEN consistently.
* config/alpha/alpha.c (alpha_encode_section_info): Do not abort.
* gcc.dg/weak-5.c (vfoo1c): No warning here.
(vfoo1f): Warning here.
(vfoo1l): Don't redefine the alias.
* dwarf2out.c (output_call_frame_info): Do not skip unwind info
when flag_asynchronous_unwind_tables is set.
* flags.h (flag_reorder_functions): Declare.
* function.c (prepare_function_start): Initialize frequnecy.
* params.def (HOT_BB_COUNT_FRACTION, HOT_BB_FREQUENCY_FRACTION): New paramters.
* Makefile.in (predict.o): Add dependency on target.h and params.h
* defaults.h (HOT_TEXT_SECTION_NAME,
UNLIKELY_EXECUTED_TEXT_SECTION_NAME): New macros.
* predict.c (choose_function_section): New function.
(estimate_bb_frequencies): Use it.
* toplev.c (flag_reorder_functions): New global variable.
(lang_independent_options): New.
(parse_options_and_default_flags): Set.
* varasm.c (assemble_start_function): Bypass functdion alignment
for never executed functions.
* invoke.texi (-freorder-blocks, -freorder-functions): Document.
(param hot-bb-count-fraction, hot-bb-frequency-fraction): New.
* tm.texi (HOT_TEXT_SECTION_NAME, UNLIKELY_EXECUTED_TEXT_SECTION_NAME):
Document.
Thu Jan 3 21:52:09 CET 2002 Jan Hubicka <jh@suse.cz>
* predict.c: Inlude profile.h
(MIN_COUNT): Rename to MIN_COUNT_FRACTION
(maybe_hot_bb_p, probably_cold_bb_p, probably_never_executed_bb_p):
Use the information about maximal counter in the program.
Thu Dec 20 22:14:00 CET 2001 Jan Hubicka <jh@suse.cz>
* basic-block.h (maybe_hot_bb_p, probably_cold_bb_p,
probably_never_executed_bb_p): New functions.
* cfgcleanup.c (outgoing_edges_match): Use them.
* predict.c (MIN_COUNT, MIN_FREQUENCY): New macros.
(maybe_hot_bb_p, probably_cold_bb_p,
probably_never_executed_bb_p): New functions.
* function.h (function): Add new field function_frequency.
* predict.c (compute_function_frequency): New function.
(estimate_probability): Call it.
Zack Weinberg [Wed, 15 May 2002 05:30:01 +0000 (05:30 +0000)]
c-parse.in (MODIFIED_WCHAR_TYPE): New macro.
* c-parse.in (MODIFIED_WCHAR_TYPE): New macro.
(c_common_nodes_and_builtins): Use it.
(builtin_define_with_value): New function.
(cb_register_builtins): Define __SIZE_TYPE__,
__PTRDIFF_TYPE__, __WCHAR_TYPE__, and __WINT_TYPE__ here,
using builtin_define_with_value. Use consistent notation when
defining __GXX_WEAK__.
(WCHAR_TYPE_SIZE): Don't redefine.
(combine_strings): Don't use WCHAR_TYPE_SIZE.
* cppdefault.h: Don't provide defaults for SIZE_TYPE,
PTRDIFF_TYPE, WCHAR_TYPE, or WINT_TYPE.
* cppinit.c (builtin_array): Remove entries for __SIZE_TYPE__ etc.
* tradcpp.c (initialize_builtins): Likewise.
* gcc.c (cpp_unique_options): Don't muck with __WCHAR_TYPE__.
* c-lex.h (builtin_define_with_value): Prototype.
* system.h: Poison NO_BUILTIN_SIZE_TYPE, NO_BUILTIN_WCHAR_TYPE,
NO_BUILTIN_PTRDIFF_TYPE, and NO_BUILTIN_WINT_TYPE.
* doc/tm.texi: Remove mention of NO_BUILTIN_SIZE_TYPE etc.
* config/avr/avr.h, config/h8300/h8300.h, config/i386/i386.h,
config/ia64/ia64.h, config/mips/dec-osf1.h, config/mips/iris6.h,
config/mips/linux.h, config/mips/mips.h, config/mips/netbsd.h,
config/mips/osfrose.h, config/mips/sni-svr4.h, config/rs6000/aix51.h,
config/s390/linux.h, config/sh/sh.h, config/sh/sh64.h,
config/sparc/linux64.h, config/sparc/netbsd-elf.h,
config/sparc/sol2-bi.h, config/sparc/sparc.h:
Do not define NO_BUILTIN_SIZE_TYPE etc. Remove all references
to __SIZE_TYPE__ etc from all spec strings. When this makes
extra specs empty, delete them.
* cp-tree.h (struct lang_type): Added non_zero_init.
(CLASS_NON_ZERO_INIT_P): New macro.
(zero_init_p, force_store_init_value, build_forced_zero_init): Declare.
* class.c (check_field_decls): Test non_zero_init.
* cvt.c (convert_to_pointer_force): Use cp_convert_to_pointer for
zero-to-NULL conversions.
* decl.c (obscure_complex_init): Don't reset DECL_INITIAL of a
type that needs zero-initialization without zeros.
(check_initializer_decl): Compute zero-initializer for types
that require a non-trivial one.
* init.c (build_forced_zero_init): New function.
(build_default_init): Use it.
* tree.c (zero_init_p): New function.
* typeck2.c (force_store_init_value): New function.
(process_init_constructor): Create non-trivial zero-initializers
for array members and class fields.
Neil Booth [Tue, 14 May 2002 17:12:16 +0000 (17:12 +0000)]
gcc.c (cpp_options): Must pass -m* and -f* options to the front end even when only preprocessing.
* gcc.c (cpp_options): Must pass -m* and -f* options
to the front end even when only preprocessing.
(cc1_options): Remove redundant -lang-c.
* tradcpp.c (main): Ignore -m options.
cp:
* lang-specs.h: Remove redundant -lang-c++.
objc:
* lang-specs.h: Similarly.
Gerald Pfeifer [Tue, 14 May 2002 09:14:50 +0000 (11:14 +0200)]
install.texi (Specific, [...]): Update passus on setting CONFIG_SHELL to /bin/ksh and remove alternate trick to...
* doc/install.texi (Specific, *-*-solaris2*): Update passus on
setting CONFIG_SHELL to /bin/ksh and remove alternate trick to
(possibly) work around broken /bin/sh.
Andreas Schwab [Tue, 14 May 2002 08:35:59 +0000 (08:35 +0000)]
varasm.c (resolve_unique_section): Add third parameter flag_function_or_data_sections and use it instead of...
* varasm.c (resolve_unique_section): Add third parameter
flag_function_or_data_sections and use it instead of
flag_function_sections.
(assemble_start_function): Pass flag_function_sections.
(asm_emit_uninitialised): Pass flag_data_sections.
(assemble_variable): Likewise.
Jeff Law [Tue, 14 May 2002 04:15:57 +0000 (22:15 -0600)]
flow.c (invalidate_mems_from_autoinc): Rewrite to use for_each_rtx.
* flow.c (invalidate_mems_from_autoinc): Rewrite to use for_each_rtx.
Update prototype and callers.
(propagate_one_insn): Stack pointer adjustments kill MEMs on
the mem_set_list which reference the stack pointer, as do
calls to constant functions as they may clobber outgoing
argument space.
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