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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187956 138bc75d-0d04-0410-961f-82ee72b054a4
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2012-05-28 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/25137
* c-opts.c (c_common_handle_option): For C++ -Wall doesn't enable
-Wmissing_braces.
2012-05-28 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/25137
* doc/invoke.texi: Document -Wmissing-braces not enabled by -Wall
for C++.
/testsuite
2012-05-28 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/25137
* g++.dg/warn/Wbraces3.C: New.
* g++.dg/warn/Wbraces4.C: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187937 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187935 138bc75d-0d04-0410-961f-82ee72b054a4
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branch to label.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187934 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/
* c-typeck.c (array_to_pointer_conversion): Give -Wc++-compat warning
about array compound literals.
gcc/cp/
* call.c (convert_like_real) [ck_list]: Take array address directly.
* typeck.c (decay_conversion): Reject decay of an array compound
literal.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187916 138bc75d-0d04-0410-961f-82ee72b054a4
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51qm.
* config/m68k/m68k-tables.opt: Regenerated.
* doc/invoke.texi (M680x0 Options): Document.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187625 138bc75d-0d04-0410-961f-82ee72b054a4
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source-code.
* doc/tm.texi: Regenerate.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187568 138bc75d-0d04-0410-961f-82ee72b054a4
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* doc/md.texi (fma): Define to only be applicable for single
rounding.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187494 138bc75d-0d04-0410-961f-82ee72b054a4
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* config/avr/avr.c (avr_const_address_lo16): Remove.
(avr_assemble_integer): Print ".byte lo8(x)",
".byte hi8(x)", ".byte hh8(x)" instead of emit an assembler
.warning if 3-byte address is assembled.
* doc/extend.texi (AVR Named Address Spaces): Document that
binutils 2.23 is needed to assemble 3-byte addresses.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187470 138bc75d-0d04-0410-961f-82ee72b054a4
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PR 53063
c-family/
* c.opt (Wc++0X-compat,Wdelete-non-virtual-dtor,Wjump-misses-init,
Wreorder): Use LangEnabledBy.
* c-opts.c (c_common_handle_option): Do not enable them
explicitly. Call lang-specific generated functions.
(c_common_post_options): Do not set them here.
gcc/
* doc/options.texi: (LangEnabledBy): Document it.
* optc-gen.awk: Handle LangEnabledBy.
* opth-gen.awk: Generate declaration for lang-specific functions.
* opt-read.awk: Record lang numbers.
* opt-functions.awk (flag_set_p): Ignore the arguments of flags.
(lang_sanitized_name): New.
ada/
* gcc-interface/misc.c: Include opts.h and options.h before tm.h.
(gnat_handle_option): Call lang-specific generated function.
fortran/
* options.c (gfc_handle_option): Call lang-specific generated function.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187462 138bc75d-0d04-0410-961f-82ee72b054a4
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ATTR_FLAG_BUILT_IN.
* doc/rtl.texi (CALL_INSN_FUNCTION_USAGE): Use lowercase for rtx
codes. Document meaning of sets inside CALL_INSN_FUNCTION_USAGE.
* c-family/c-common.c (DEF_ATTR_STRING): Define and undefine as
necessary.
* builtin-attrs.def (DEF_ATTR_FOR_STRING): Define. Use it to
define a string "1".
(ATTR_RET1_NOTHROW_NONNULL_LEAF): New attr definition.
* builtins.def (BUILT_IN_MEMCPY, BUILT_IN_MEMMOVE, BUILT_IN_MEMSET,
BUILT_IN_STRCPY): Use it for these functions.
* postreload.c (reload_combine): Deal with SETs inside
CALL_INSN_FUNCTION_USAGE.
* caller-save.c (setup_save_areas, save_call_clobbered_regs):
Look for REG_RETURNED notes and use a cheap restore if possible.
* ira-int.h (struct ira_allocno): New member cheap_calls_crossed_num.
(ALLOCNO_CHEAP_CALLS_CROSSED_NUM): New macro.
* ira-build.c (ira_create_allocno, create_cap_allocno,
propagate_allocno_info, propagate_some_info_from_allocno,
copy_info_to_removed_store_destination, ira_flattening): Handle it.
* ira-lives.c (pseudo_regno_single_word_and_live_p,
find_call_crossed_cheap_reg): New static functions.
(process_bb_node_lives): Look for SETs in CALL_INSN_FUNCTION_USAGE,
and set ALLOCNO_CHEAP_CALLS_CROSSED_NUM if possible. Also make
a REG_RETURNED note in that case.
* ira.c (setup_reg_renumber): Change assert to allow cases where
allocnos only cross calls for which they are cheap to restore.
* ira-costs.c (ira_tune_allocno_costs): Compare
ALLOCNO_CALLS_CROSSED_NUM to ALLOCNO_CHEAP_CALLS_CROSSED_NUM rather
than 0.
* reg-notes.def (REG_RETURNED): New note.
* cse.c (cse_insn): Likewise.
* sched-deps.c (sched_analyze_insn): Likewise.
* expr.c (init_block_move_fn): Set a "fn spec" attribute.
* calls.c (decl_return_flags): New static function.
(expand_call): Generate a SET in CALL_INSN_FUNCTION_USAGE for
functions that return one of their arguments.
* lto/lto-lang.c (handle_fnspec_attribute): New static function.
(lto_attribute_table): Add "fn spec".
(DEF_ATTR_STRING): Define and undefine along with the other macros.
* regcprop.c (struct kill_set_value_data): New.
(kill_set_value): Interpret data as a pointer to such a struct.
Do nothing if the caller wants the register to be ignored.
(copyprop_hardreg_forward_1): Handle SETs in CALL_INSN_FUNCTION_USAGE.
testsuite/
* gcc.target/i386/retarg.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187459 138bc75d-0d04-0410-961f-82ee72b054a4
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* doc/generic.texi: Rename TYPE_PTRMEM_P to TYPE_PTRDATAMEM_P.
/cp
2012-05-12 Paolo Carlini <paolo.carlini@oracle.com>
* cp-tree.h (TYPE_PTRMEM_P): Rename to TYPE_PTRDATAMEM_P.
(TYPE_PTR_TO_MEMBER_P): Rename to TYPE_PTRMEM_P.
(TYPE_PTR_OR_PTRMEM_P): Add.
* typeck.c (composite_pointer_type_r, composite_pointer_type,
common_pointer_type, cp_build_indirect_ref, cp_build_binary_op,
cp_truthvalue_conversion, convert_ptrmem, build_static_cast_1,
build_reinterpret_cast_1, build_const_cast_1, comp_ptr_ttypes_real,
casts_away_constness_r, casts_away_constness): Adjust.
* init.c (build_zero_init_1): Adjust.
* class.c (check_field_decls): Likewise.
* decl.c (check_default_argument): Likewise.
* rtti.c (target_incomplete_p): Likewise.
* tree.c (zero_init_p): Likewise.
* cxx-pretty-print.c (pp_cxx_ptr_operator,
pp_cxx_abstract_declarator): Likewise.
* typeck2.c (build_m_component_ref): Likewise.
* pt.c (convert_nontype_argument, invalid_nontype_parm_type_p,
dependent_type_p_r): Likewise.
* call.c (null_member_pointer_value_p, standard_conversion,
add_builtin_candidate, build_conditional_expr_1, compare_ics):
Likewise.
* cp-objcp-common.c (cp_var_mod_type_p): Likewise.
* cvt.c (cp_convert_to_pointer, ocp_convert,
perform_qualification_conversions): Likewise.
* mangle.c (write_type): Likewise.
* name-lookup.c (arg_assoc_type): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187426 138bc75d-0d04-0410-961f-82ee72b054a4
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PR 53063
gcc/
* doc/options.texi (EnabledBy): Document
* opts.c: Include opts.h and options.h before tm.h.
(finish_options): Do not handle some sub-options here...
(common_handle_option): ... instead call common_handle_option_auto here.
* optc-gen.awk: Handle EnabledBy.
* opth-gen.awk: Declare common_handle_option_auto.
* common.opt (Wuninitialized): Use EnabledBy. Delete Init.
(Wmaybe-uninitialized): Likewise.
(Wunused-but-set-variable): Likewise.
(Wunused-function): Likewise.
(Wunused-label): Likewise.
(Wunused-value): Likewise.
(Wunused-variable): Likewise.
* opt-read.awk: Create opt_numbers array.
ada/
* gcc-interface/misc.c (gnat_parse_file): Move before ...
(gnat_handle_option): ... this. Use handle_generated_option.
c-family/
* c-opts.c (c_common_handle_option): Use handle_generated_option
to enable sub-options.
fortran/
* options.c: Include diagnostics.h instead of
diagnostics-core.h.
(set_Wall): Do not see warn_unused here.
(gfc_handle_option): Set it here using handle_generated_option.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187403 138bc75d-0d04-0410-961f-82ee72b054a4
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* explow.c (emit_stack_probe): Handle probe_stack_address.
* config/ia64/ia64.md (UNSPECV_PROBE_STACK_ADDRESS): New constant.
(UNSPECV_PROBE_STACK_RANGE): Likewise.
(probe_stack_address): New insn.
(probe_stack_range): Likewise.
* config/ia64/ia64.c: Include common/common-target.h.
(ia64_compute_frame_size): Mark r2 and r3 as used if static stack
checking is enabled.
(ia64_emit_probe_stack_range): New function.
(output_probe_stack_range): Likewise.
(ia64_expand_prologue): Invoke ia64_emit_probe_stack_range if static
builtin stack checking is enabled.
(rtx_needs_barrier) <UNSPEC_VOLATILE>: Handle UNSPECV_PROBE_STACK_RANGE
and UNSPECV_PROBE_STACK_ADDRESS.
(unknown_for_bundling_p): New predicate.
(group_barrier_needed): Use important_for_bundling_p.
(ia64_dfa_new_cycle): Use unknown_for_bundling_p.
(issue_nops_and_insn): Likewise.
(bundling): Likewise.
(final_emit_insn_group_barriers): Likewise.
* config/ia64/ia64-protos.h (output_probe_stack_range): Declare.
* config/ia64/hpux.h (STACK_CHECK_STATIC_BUILTIN): Define.
(STACK_CHECK_PROTECT): Likewise.
* config/ia64/linux.h (STACK_CHECK_STATIC_BUILTIN): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187383 138bc75d-0d04-0410-961f-82ee72b054a4
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libgcc:
* config.host (i[34567]86-*-linux*, x86_64-*-linux*)
(i[34567]86-*-kfreebsd*-gnu, x86_64-*-kfreebsd*-gnu)
(i[34567]86-*-knetbsd*-gnu, i[34567]86-*-gnu*): Move
i386/t-cpuinfo ...
(i[34567]86-*-*, x86_64-*-*): ... here.
* config/i386/libgcc-bsd.ver (GCC_4.8.0): New version.
* config/i386/libgcc-sol2.ver (GCC_4.8.0): New version.
* config/i386/i386-cpuinfo.c: Rename to ...
* config/i386/cpuinfo.c: ... this.
* config/i386/t-cpuinfo (LIB2ADD): Reflect this.
* configure.ac (AC_CONFIG_HEADER): Call for auto-target.h.
(libgcc_cv_init_priority): New test.
* configure: Regenerate.
* config.in: New file.
* Makefile.in (clean): Rename config.h to auto-target.h.
(config.h): Likewise.
(stamp-h): Likewise.
* config/i386/cpuinfo.c (auto-target.h): Include.
(CONSTRUCTOR_PRIORITY): Define.
(__cpu_indicator_init): Use it.
gcc
* doc/extend.texi (X86 Built-in Functions, __builtin_cpu_init):
Document requirement to call in constructors.
* config/i386/i386.c: Update comments for i386-cpuinfo.c name
change.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187365 138bc75d-0d04-0410-961f-82ee72b054a4
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* doc/extend.texi (Function Attributes): Point xref to section
about Pragmas.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187353 138bc75d-0d04-0410-961f-82ee72b054a4
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* config/avr/elf.h (ASM_DECLARE_FUNCTION_NAME): Remove.
* config/avr/avr-protos.h (avr_asm_declare_function_name): Remove.
* config/avr/avr.h (struct machine_function): Add attributes_checked_p.
* config/avr/avr.c (avr_asm_declare_function_name): Remove.
(expand_prologue): Move initialization of cfun->machine->is_naked,
is_interrupt, is_signal, is_OS_task, is_OS_main from here to...
(avr_set_current_function): ...this new static function.
(TARGET_SET_CURRENT_FUNCTION): New define.
(avr_function_ok_for_sibcall): Use cfun->machine->is_* instead of
checking attributes of current_function_decl.
(avr_regs_to_save): Ditto.
(signal_function_p): Rename to avr_signal_function_p.
(interrupt_function_p): Rename to avr_interrupt_function_p.
* doc/extend.texi (Function Attributes): Better explanation of
'interrupt' and 'signal' for AVR. Move 'ifunc' down to establish
alphabetical order.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187342 138bc75d-0d04-0410-961f-82ee72b054a4
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* doc/fragments.texi: Ditto.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187327 138bc75d-0d04-0410-961f-82ee72b054a4
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* genmultilib (MULTILIB_REQUIRED): New.
* doc/fragments.texi: Document the MULTILIB_REQUIRED.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187325 138bc75d-0d04-0410-961f-82ee72b054a4
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collect profile data only in regions of interest. This is useful, for
example, to collect profile data from a long-running server only
during the time when it is serving requests.
Specifically, the new routines __gcov_reset will clear all profile counters
to zero and __gcov_dump will write out the profile information collected so
far. A global variable is used to prevent writing out the profile a
second time during exit.
2012-05-08 Teresa Johnson <tejohnson@google.com>
* libgcc/libgcov.c (gcov_clear, __gcov_reset): New functions.
(__gcov_dump): Ditto.
(gcov_dump_complete): New global variable.
(gcov_exit): Export hidden to enable use in L_gcov_dump.
(__gcov_flush): Outline functionality now in gcov_clear.
* libgcc/Makefile.in (L_gcov_reset, L_gcov_dump): Define.
* gcc/gcov-io.h (__gcov_reset, __gcov_dump): Declare.
* gcc/doc/gcov.texi: Add note on using __gcov_reset and __gcov_dump.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187297 138bc75d-0d04-0410-961f-82ee72b054a4
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* doc/avr-mmcu.texi: New auto-generated file.
* doc/invoke.texi (AVR Options): Include avr-mmcu.texi in order
to document all valid -mmcu= arguments.
* config/avr/avr.h (arch_info_s): New struct definition.
* config/avr/avr-devices.c (avr_texinfo): New variable.
* config/avr/gen-avr-mmcu-texi.c: New file.
* config/avr/t-avr: New rules and dependencies to build avr-mmcu.texi.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187279 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187179 138bc75d-0d04-0410-961f-82ee72b054a4
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Now that the libstdc++ testsuite is run with -ftrack-macro-location by
default, this patch triggers the -Wunused-local-typedefs warning when
-Wunused (and -Wall) is turned on.
The patch has been reviewed and accepted[1] a while ago, but was waiting
for the -ftrack-macro-expansion work to go in first.
Bootstrapped and tested again on x86_64-unknown-linux-gnu against
trunk.
Applied to the mainline.
[1]: http://gcc.gnu.org/ml/gcc-patches/2011-09/msg00605.html
gcc/
* opts.c (finish_options): Activate -Wunused-local-typedefs if
-Wunused is activated.
* doc/invoke.texi: Update blurb of -Wunused-local-typedefs.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187167 138bc75d-0d04-0410-961f-82ee72b054a4
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* coretypes (MEMMODEL_MASK): New.
* builtins.c (get_memmodel): Add val. Call target.memmodel_check
and return new variable.
(expand_builtin_atomic_exchange): Mask memmodel values.
(expand_builtin_atomic_compare_exchange): Ditto.
(expand_builtin_atomic_load): Ditto.
(expand_builtin_atomic_store): Ditto.
(expand_builtin_atomic_clear): Ditto.
* doc/extend.texi: Mention port-dependent memory model flags.
* config/i386/cpuid.h (bit_HLE): New.
* config/i386/driver-i386.c (host_detect_local_cpu): Detect
HLE support.
* config/i386/i386-protos.h (ix86_generate_hle_prefix): New.
* config/i386/i386-c.c (ix86_target_macros_internal): Set
HLE defines.
(ix86_target_string)<-mhle>: New.
(ix86_valid_target_attribute_inner_p)<OPT_mhle>: Ditto.
* config/i386/i386.c (ix86_target_string)<OPTION_MASK_ISA_HLE>:
New.
(ix86_valid_target_attribute_inner_p)<OPT_mhle>: Ditto.
(ix86_option_override_internal)<PTA_HLE>: New switch, set it
enabled for generic, generic64 and core-avx2.
(ix86_print_operand): Generate HLE lock prefixes.
(ix86_memmodel_check): New.
(TARGET_MEMMODEL_CHECK): Ditto.
* config/i386/i386.h (OPTION_ISA_HLE): Ditto.
(IX86_HLE_ACQUIRE): Ditto.
(IX86_HLE_RELEASE): Ditto.
* config/i386/i386.h (ix86_generate_hle_prefix): Ditto.
* config/i386/i386.opt (mhle): Ditto.
* config/i386/sync.md(atomic_compare_and_swap<mode>): Pass
success model to instruction emitter.
(atomic_fetch_add<mode>): Ditto.
(atomic_exchange<mode>): Ditto.
(atomic_add<mode>): Ditto.
(atomic_sub<mode>): Ditto.
(atomic_<code><mode>): Ditto.
(*atomic_compare_and_swap_doubledi_pic): Ditto.
(atomic_compare_and_swap_single<mode>): Define and use argument
for success model.
(atomic_compare_and_swap_double<mode>): Ditto.
* configure.ac: Check if assembler support HLE prefixes.
* configure: Regenerate.
* config.in: Ditto.
testsuite/ChangeLog entry:
* gcc.target/i386/hle-cmpxchg-acq-1.c: New.
* gcc.target/i386/hle-cmpxchg-rel-1.c: Ditto.
* gcc.target/i386/hle-add-acq-1.c: Ditto.
* gcc.target/i386/hle-add-rel-1.c: Ditto.
* gcc.target/i386/hle-and-acq-1.c: Ditto.
* gcc.target/i386/hle-and-rel-1.c: Ditto.
* gcc.target/i386/hle-or-acq-1.c: Ditto.
* gcc.target/i386/hle-or-rel-1.c: Ditto.
* gcc.target/i386/hle-sub-acq-1.c: Ditto.
* gcc.target/i386/hle-sub-rel-1.c: Ditto.
* gcc.target/i386/hle-xadd-acq-1.c: Ditto.
* gcc.target/i386/hle-xadd-rel-1.c: Ditto.
* gcc.target/i386/hle-xchg-acq-1.c: Ditto.
* gcc.target/i386/hle-xchg-rel-1.c: Ditto.
* gcc.target/i386/hle-xor-acq-1.c: Ditto.
* gcc.target/i386/hle-xor-rel-1.c: Ditto.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187051 138bc75d-0d04-0410-961f-82ee72b054a4
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* common.opt (fsync-libcalls): New.
* doc/invoke.texi: Document it.
* optabs.c (init_sync_libfuncs): Honor it.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@187017 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/
* c-typeck.c (build_array_ref): Call
convert_vector_to_pointer_for_subscript.
gcc/c-family
* c-common.c (convert_vector_to_pointer_for_subscript): New function.
* c-common.h (convert_vector_to_pointer_for_subscript): Declare it.
gcc/cp/
* typeck.c (cp_build_array_ref): Handle VECTOR_TYPE.
* decl2.c (grok_array_decl): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186994 138bc75d-0d04-0410-961f-82ee72b054a4
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Several warnings related to questionable usage cases of variadic
function related macros (like va_start) could not be controlled by any
warning-related macro. Fixed thus, by introducing the -Wvarargs
option.
Tested on x86_64-unknown-linux-gnu against trunk.
gcc/c-family/
* c.opt (Wvarargs): Define new option.
gcc/
* builtins.c (fold_builtin_next_arg): Use OPT_Wvarargs as an
argument for the various warning_at calls.
gcc/doc/
* invoke.texi: Update the documentation.
gcc/testsuite/
* c-c++-common/Wvarargs.c: New test case.
* c-c++-common/Wvarargs-2.c: Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186978 138bc75d-0d04-0410-961f-82ee72b054a4
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This switches the compiler to -ftrack-macro-expansion=2 by default.
Tested and bootstrapped on x86_64-unknown-linux-gnu against trunk.
libcpp/
* init.c (cpp_create_reader): Switch -ftrack-macro-expansion=2 on
by default. Add comments.
gcc/docs/
* cppopts.texi: Adjust for enabling -ftrack-macro-expansion=2 by
default.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186977 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/
* doc/invoke.texi (Wmissing-format-attribute): Document as an
alias of Wsuggest-attribute=format.
c-family/
* c.opt (Wsuggest-attribute=format): New. Alias of
Wmissing-format-attribute.
* c-format.c (decode_format_type): Replace
Wmissing-format-attribute with Wsuggest-attribute=format.
(check_function_format): Likewise.
cp/
* typeck.c (convert_for_assignment): Replace
Wmissing-format-attribute with Wsuggest-attribute=format.
* call.c (convert_for_arg_passing): Likewise.
gcc/
* c-typeck.c (convert_for_assignment): Replace
Wmissing-format-attribute with Wsuggest-attribute=format.
(digest_init): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186955 138bc75d-0d04-0410-961f-82ee72b054a4
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* common.opt (ftree-partial-pre): New option.
* doc/invoke.texi: Document it.
* opts.c (default_options_table): Initialize flag_tree_partial_pre.
* tree-ssa-pre.c (do_partial_partial_insertion): Insert only if it will
benefit speed path.
(execute_pre): Use flag_tree_partial_pre.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186928 138bc75d-0d04-0410-961f-82ee72b054a4
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This option, which is enabled by default, causes the preprocessor to warn
when a string or character literal is followed by a ud-suffix which does
not begin with an underscore. According to [lex.ext]p10, this is
ill-formed.
Also modifies the preprocessor to treat such ill-formed suffixes as separate
preprocessing tokens. This is consistent with the Clang front end (see
http://llvm.org/viewvc/llvm-project?view=rev&revision=152287), and enables
backwards compatibility with code that uses formatting macros from
<inttypes.h>, as in the following code block:
int main() {
int64_t i64 = 123;
printf("My int64: %"PRId64"\n", i64);
}
Google ref b/6377711.
2012-04-27 Ollie Wild <aaw@google.com>
PR c++/52538
* gcc/c-family/c-common.c: Add CPP_W_LITERAL_SUFFIX mapping.
* gcc/c-family/c-opts.c (c_common_handle_option): Handle
OPT_Wliteral_suffix.
* gcc/c-family/c.opt: Add Wliteral-suffix.
* gcc/doc/invoke.texi (Wliteral-suffix): Document new option.
* gcc/testsuite/g++.dg/cpp0x/Wliteral-suffix.c: New test.
* libcpp/include/cpplib.h (struct cpp_options): Add new field,
warn_literal_suffix.
(CPP_W_LITERAL_SUFFIX): New enum.
* libcpp/init.c (cpp_create_reader): Default initialization of
warn_literal_suffix.
* libcpp/lex.c (lex_raw_string): Treat user-defined literals which
don't begin with '_' as separate tokens and produce a warning.
(lex_string): Ditto.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186909 138bc75d-0d04-0410-961f-82ee72b054a4
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* config/i386/i386-cpuinfo.c (FEATURE_AVX2): New enum value.
(get_available_features): New argument. Check for AVX2.
(__cpu_indicator_init): Modify call to get_available_features.
* doc/extend.texi: Document avx2 support.
* config/i386/i386.c (fold_builtin_cpu): Add avx2.
* testsuite/gcc.target/i386/builtin_target.c: Check avx2.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186855 138bc75d-0d04-0410-961f-82ee72b054a4
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(dwarf_version): Default to 4.
(dwarf_record_gcc_switches): Default to 1.
(dwarf_strict): Default to 0.
* toplev.c (process_options): Don't handle dwarf_strict
or dwarf_version here.
* config/vxworks.c (vxworks_override_options): Don't
test whether dwarf_strict or dwarf_version are negative,
instead test !global_options_set.x_dwarf_*.
* config/darwin.c (darwin_override_options): Default to
dwarf_version 2.
* doc/invoke.texi: Note that -gdwarf-4, -grecord-gcc-switches
and -fno-debug-types-section are now the default.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186835 138bc75d-0d04-0410-961f-82ee72b054a4
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This patch adds new builtins to check for cpu type and features.
* __builtin_cpu_is ("<CPUNAME>")
* __builtin_cpu_supports ("<FEATURE>")
apart from the cpu init builtin, __builtin_cpu_init.
List of CPU names :
* "amd"
* "intel"
* "atom"
* "core2"
* "corei7"
* "nehalem"
* "westmere"
* "sandybridge"
* "amdfam10h"
* "barcelona"
* "shanghai"
* "istanbul"
* "bdver1"
* "bdver2"
List of CPU features :
* "cmov"
* "mmx"
* "popcnt"
* "sse"
* "sse2"
* "sse3"
* "ssse3"
* "sse4.1"
* "sse4.2"
* "avx"
* config/i386/i386.c (build_processor_model_struct): New function.
(make_var_decl): New function.
(fold_builtin_cpu): New function.
(ix86_fold_builtin): New function.
(make_cpu_type_builtin): New function.
(ix86_init_platform_type_builtins): New function.
(ix86_expand_builtin): Expand new builtins by folding them.
(ix86_init_builtins): Make new builtins to detect CPU type.
(TARGET_FOLD_BUILTIN): New macro.
(IX86_BUILTIN_CPU_INIT): New enum value.
(IX86_BUILTIN_CPU_IS): New enum value.
(IX86_BUILTIN_CPU_SUPPORTS): New enum value.
* config/i386/i386-builtin-types.def: New function type.
* testsuite/gcc.target/builtin_target.c: New testcase.
* doc/extend.texi: Document builtins.
* libgcc/config/i386/i386-cpuinfo.c: New file.
* libgcc/config/i386/t-cpuinfo: New file.
* libgcc/config.host: Include t-cpuinfo.
* libgcc/config/i386/libgcc-glibc.ver: Version symbol __cpu_model.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186789 138bc75d-0d04-0410-961f-82ee72b054a4
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git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186697 138bc75d-0d04-0410-961f-82ee72b054a4
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PR c/44774
gcc/
* doc/invoke.texi (pedantic): Rename to Wpedantic.
* common.opt (Wpedantic): New.
(pedantic): Alias Wpedantic.
* diagnostic.c (warning_at): Likewise.
* c-decl.c (diagnose_mismatched_decls): Likewise.
(build_array_declarator): Likewise.
(mark_forward_parm_decls):
(check_bitfield_type_and_width): Likewise.
(grokdeclarator): Likewise.
(grokfield): Likewise.
(finish_struct): Likewise.
(build_enumerator): Likewise.
(store_parm_decls_oldstyle): Likewise.
(declspecs_add_qual): Likewise.
(declspecs_add_type): Likewise.
(finish_declspecs): Likewise.
* c-typeck.c (composite_type): Likewise.
(comp_target_types): Likewise.
(build_array_ref): Likewise.
(pointer_diff): Likewise.
(build_unary_op): Likewise.
(build_conditional_expr): Likewise.
(build_c_cast): Likewise.
(convert_for_assignment): Likewise.
(maybe_warn_string_init): Likewise.
(digest_init): Likewise.
(pop_init_level): Likewise.
(set_init_index): Likewise.
(c_finish_goto_label): Likewise.
(c_finish_return): Likewise.
(do_case): Likewise.
(build_binary_op): Likewise.
* c-parser.c (static): Likewise.
(c_parser_external_declaration): Likewise.
(c_parser_declaration_or_fndef): Likewise.
(c_parser_static_assert_declaration_no_se): Likewise.
(c_parser_enum_specifier): Likewise.
(c_parser_struct_or_union_specifier): Likewise.
(c_parser_struct_declaration): Likewise.
(c_parser_alignas_specifier): Likewise.
(c_parser_braced_init): Likewise.
(c_parser_initelt): Likewise.
(c_parser_compound_statement_nostart): Likewise.
(c_parser_conditional_expression): Likewise.
(c_parser_alignof_expression): Likewise.
(c_parser_postfix_expression): Likewise.
(c_parser_postfix_expression_after_paren_): Likewise.
(c_parser_objc_class_instance_variables): Likewise.
(c_parser_objc_method_definition): Likewise.
(c_parser_objc_methodprotolist): Likewise.
c-family/
* c.opt (Wpedantic): New.
(pedantic): Alias Wpedantic.
* c-opts.c (c_common_handle_option): Replace -pedantic with -Wpedantic.
(c_common_post_options): Likewise.
(sanitize_cpp_opts): Likewise.
* c-lex.c (interpret_float): Likewise.
* c-format.c (check_format_types): Likewise.
* c-common.c (pointer_int_sum): Likewise.
(c_sizeof_or_alignof_type): Likewise.
(c_add_case_label): Likewise.
(c_do_switch_warnings): Likewise.
* c-pragma.c (handle_pragma_float_const_decimal64): Likewise.
cp/
* typeck.c (composite_pointer_type): Likewise.
(cxx_sizeof_or_alignof_type): Likewise.
(cp_build_array_ref): Likewise.
(cp_build_function_call_vec): Likewise.
(cp_build_addr_expr_1): Likewise.
(convert_member_func_to_ptr): Likewise.
* decl.c (check_tag_decl): Likewise.
(check_static_variable_definition): Likewise.
(compute_array_index_type): Likewise.
(create_array_type_for_decl): Likewise.
(grokdeclarator): Likewise.
(grok_op_properties): Likewise.
* error.c (maybe_warn_cpp0x): Likewise.
* pt.c (maybe_process_partial_specialization): Likewise.
(convert_template_argument): Likewise.
(do_decl_instantiation): Likewise.
(do_type_instantiation): Likewise.
* parser.c (cp_parser_primary_expression): Likewise.
(cp_parser_postfix_expression): Likewise.
(cp_parser_unary_expression): Likewise.
(cp_parser_question_colon_clause): Likewise.
(cp_parser_lambda_introducer): Likewise.
(cp_parser_lambda_declarator_opt): Likewise.
(cp_parser_compound_statement): Likewise.
(cp_parser_jump_statement): Likewise.
(cp_parser_declaration_seq_opt): Likewise.
(cp_parser_enum_specifier): Likewise.
(cp_parser_enumerator_list): Likewise.
(cp_parser_initializer_list): Likewise.
(cp_parser_member_declaration): Likewise.
* call.c (build_conditional_expr_1): Likewise.
* friend.c (make_friend_class): Likewise.
* name-lookup.c (pushdecl_maybe_friend_1): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186681 138bc75d-0d04-0410-961f-82ee72b054a4
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* doc/invoke.texi (Language Independent Options): @item should be
before @opindex.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186553 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/
* doc/invoke.texi: Copy-edit to put verbs in the present tense
when describing the current behavior of GCC.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186523 138bc75d-0d04-0410-961f-82ee72b054a4
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status.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186502 138bc75d-0d04-0410-961f-82ee72b054a4
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* config/arm/arm-tune.md: Regenerated.
* config/arm/arm-tables.opt: Regenerated.
* doc/invoke.texi: Added entry for cpu ARM cortex-m0plus.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186405 138bc75d-0d04-0410-961f-82ee72b054a4
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* doc/extend.texi (Other Builtins): Document __builtin_bswap16.
(PowerPC AltiVec/VSX Built-in Functions): Remove it.
* doc/md.texi (Standard Names): Add bswap.
* builtin-types.def (BT_UINT16): New primitive type.
(BT_FN_UINT16_UINT16): New function type.
* builtins.def (BUILT_IN_BSWAP16): New.
* builtins.c (expand_builtin_bswap): Add TARGET_MODE argument.
(expand_builtin) <BUILT_IN_BSWAP16>: New case. Pass TARGET_MODE to
expand_builtin_bswap.
(fold_builtin_bswap): Add BUILT_IN_BSWAP16 case.
(fold_builtin_1): Likewise.
(is_inexpensive_builtin): Likewise.
* optabs.c (expand_unop): Deal with bswap in HImode specially. Add
missing bits for bswap to libcall code.
* tree.c (build_common_tree_nodes): Build uint16_type_node.
* tree.h (enum tree_index): Add TI_UINT16_TYPE.
(uint16_type_node): New define.
* config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_BSWAP_HI): Delete.
* config/rs6000/rs6000.c (rs6000_expand_builtin): Remove handling of
above builtin.
(rs6000_init_builtins): Likewise.
* config/rs6000/rs6000.md (bswaphi2): Add TARGET_POWERPC predicate.
c-family/
* c-common.h (uint16_type_node): Rename into...
(c_uint16_type_node): ...this.
* c-common.c (c_common_nodes_and_builtins): Adjust for above renaming.
* c-cppbuiltin.c (builtin_define_stdint_macros): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186308 138bc75d-0d04-0410-961f-82ee72b054a4
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* doc/extend.texi (Type Attributes): Move paragraph.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186306 138bc75d-0d04-0410-961f-82ee72b054a4
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PR 24985
gcc/
* diagnostic.h (show_caret): Declare.
(caret_max_width): Declare.
(diagnostic_show_locus): Declare.
* diagnostic.c (diagnostic_initialize): Initialize to false.
(diagnostic_show_locus): New.
(diagnostic_report_diagnostic): Call it.
(getenv_columns): New.
(adjust_line): New.
(diagnostic_set_caret_max_width): New.
* input.c (read_line): New.
(location_get_source_line): New.
* input.h (location_get_source_line): Declare.
* toplev.c (general_init): Initialize show_caret from options.
* dwarf2out.c (gen_producer_string): Handle fdiagnostics-show-caret.
* opts.c (common_handle_option): Likewise.
* pretty-print.h (pp_get_prefix): New.
(pp_base_get_prefix): New.
* common.opt (fdiagnostics-show-caret): New option.
* doc/invoke.texi (fdiagnostics-show-caret): Document it.
testsuite/
* lib/prune.exp: Add -fno-diagnostics-show-caret.
libstdc++-v3/
* testsuite/lib/prune.exp: Handle caret.
libmudflap/
* testsuite/lib/libmudflap.exp: Handle caret.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186305 138bc75d-0d04-0410-961f-82ee72b054a4
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gcc/
* doc/invoke.texi: Clean up Texinfo markup throughout the file.
Use @option markup on command-line options. Use @samp markup on
literal keywords to options. Use @code markup on code fragments.
Use other markup in preference to quotation marks in the text.
Add markup to some passages without any.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186209 138bc75d-0d04-0410-961f-82ee72b054a4
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2012-04-04 Matt Turner <mattst88@gmail.com>
* doc/install.texi: Correct typo "-mno-lsc" -> "-mno-llsc".
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186179 138bc75d-0d04-0410-961f-82ee72b054a4
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* expmed.c (expand_mult): Ensure we don't use shift
incorrectly.
* emit-rtl.c (immed_double_int_const): Refine to state the
value is signed.
* simplify-rtx.c (mode_signbit_p): Add a fixme for wider than
CONST_DOUBLE integers.
(simplify_const_unary_operation, UNSIGNED_FLOAT): Ensure no
negative values are converted. Fix conversions bigger than
HOST_BITS_PER_WIDE_INT.
(simplify_binary_operation_1): Ensure we don't use shift
incorrectly.
(simplify_immed_subreg): Sign-extend CONST_DOUBLEs.
* explow.c (plus_constant_mode): Add.
(plus_constant): Implement with plus_constant_mode.
* rtl.h (plus_constant_mode): Add.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186147 138bc75d-0d04-0410-961f-82ee72b054a4
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New function. Added to check monitor functions.
(h8300_option_override): Modified to generate error/warning
messages for invalid combinations of different command line
options.
* h8300/h8300.md: Generate 'rte' for monitor functions. Do not
save EXR on stack for monitor function in case of H8S target
when "-mno-exr" is passed.
* h8300/h8300-protos.h
(h8300_current_function_monitor_function_p): Add prototype.
* doc/invoke.texi: Document H8S options.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@186109 138bc75d-0d04-0410-961f-82ee72b054a4
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* contrib/gcc_update (files_and_dependencies):
Remove gcc/config/avr/t-multilib from touch data.
gcc/
PR target/52737
* config.gcc (tm_file): Remove avr/multilib.h.
* doc/invoke.texi (AVR Options): Adjust
documentation of -mtiny-stack.
* config/avr/genmultilib.awk: Remove code to generate multilib.h.
(BEGIN): Use -msp8 as multilib option instead of -mtiny-stack.
* config/avr/t-avr: Remove generation of multilib.h.
* config/avr/t-multilib: Regenerate.
* config/avr/multilib.h: Remove.
* config/avr/avr.opt (-msp8): New option.
(avr_sp8): New variable.
* config/avr/driver-avr.c (avr_device_to_sp8): New function.
* config/avr/avr.h (AVR_HAVE_SPH): New define.
(AVR_HAVE_8BIT_SP): Also set by avr_sp8 i.e. -msp8.
(avr_device_to_sp8): New prototype.
(EXTRA_SPEC_FUNCTIONS): Add { "device_to_sp8", avr_device_to_sp8 }
(DRIVER_SELF_SPECS): New define.
* config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
__AVR_SP8__, __AVR_HAVE_SPH__.
* config/avr/avr.c (output_movhi): Use AVR_HAVE_SPH instead of
AVR_HAVE_8BIT_SP to decide if SP_H is present.
(avr_file_start): Ditto.
libgcc/
PR target/52737
* config/avr/lib1funcs.S: Use __AVR_HAVE_SPH__ for SP_H checks
instead of __AVR_HAVE_8BIT_SP__.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@185907 138bc75d-0d04-0410-961f-82ee72b054a4
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2012-03-27 H.J. Lu <hongjiu.lu@intel.com>
* opth-gen.awk: Allocated a bit for Mask and InverseMask if it
hasn't been allocated. Define a target macro for Mask and
InverseMask if it hasn't been defined. Remove MaskExists
handling.
* doc/options.texi: Remove MaskNeeded.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@185882 138bc75d-0d04-0410-961f-82ee72b054a4
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* config/mips/mips.md (processor): Add xlp.
* config/mips/mips-cpus.def: Add xlp.
* config/mips/mips.c (mips_rtx_cost_data): Add costs for XLP, copy from
5KF for now.
* config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle xlp.
* doc/invoke.texi: Mention XLP.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@185712 138bc75d-0d04-0410-961f-82ee72b054a4
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