gcc/ChangeLog:
* doc/invoke.texi (Warning Options): Add -Wmisleading-indentation.
(-Wmisleading-indentation): New option.
* Makefile.in (C_COMMON_OBJS): Add c-family/c-indentation.o.
gcc/c-family/ChangeLog:
* c-common.h (warn_for_misleading_indentation): New prototype.
* c-indentation.c: New file.
* c.opt (Wmisleading-indentation): New option.
gcc/c/ChangeLog:
* c-parser.c (c_parser_if_body): Add param "if_loc", use it
to add a call to warn_for_misleading_indentation.
(c_parser_else_body): Likewise, adding param "else_loc".
(c_parser_if_statement): Check for misleading indentation.
(c_parser_while_statement): Likewise.
(c_parser_for_statement): Likewise.
gcc/cp/ChangeLog:
* parser.c (cp_parser_selection_statement): Add location and
guard_kind arguments to calls to
cp_parser_implicitly_scoped_statement.
(cp_parser_iteration_statement): Likewise for calls to
cp_parser_already_scoped_statement.
(cp_parser_implicitly_scoped_statement): Add "guard_loc" and
"guard_kind" params; use them to warn for misleading
indentation.
(cp_parser_already_scoped_statement): Likewise.
gcc/testsuite/ChangeLog:
* c-c++-common/Wmisleading-indentation.c: New testcase.
* c-c++-common/Wmisleading-indentation-2.c: New testcase.
* c-c++-common/Wmisleading-indentation-2.md: New file.
libcpp/ChangeLog:
* directives.c (do_line): Set seen_line_directive on line_table.
(do_linemarker): Likewise.
* include/line-map.h (struct line_maps): Add new field
"seen_line_directive".
From-SVN: r223098
PR c/65179
* c-common.c (c_fully_fold_internal): Warn when left shifting a
negative value.
* c.opt (Wshift-negative-value): New option.
* c-opts.c (c_common_post_options): Set warn_shift_negative_value
when -Wextra and C99/C++11 mode.
* c-typeck.c (build_binary_op): Warn when left shifting a negative
value.
* typeck.c (cp_build_binary_op): Warn when left shifting a negative
value.
* doc/invoke.texi: Document -Wshift-negative-value.
* c-c++-common/Wshift-negative-value-1.c: New test.
* testsuite/c-c++-common/Wshift-negative-value-2.c: New test.
* testsuite/c-c++-common/Wshift-negative-value-3.c: New test.
* testsuite/c-c++-common/Wshift-negative-value-4.c: New test.
* testsuite/c-c++-common/Wshift-negative-value-5.c: New test.
* testsuite/c-c++-common/Wshift-negative-value-6.c: New test.
* testsuite/gcc.dg/c90-left-shift-1.c: New test.
* testsuite/gcc.dg/c99-const-expr-7.c: Add dg-error.
* testsuite/gcc.dg/c99-left-shift-1.c: New test.
From-SVN: r222889
gcc/c-family/
* c.opt (Wterminate): New.
gcc/cp/
* cp-gimplify.c (cp_genericize_r): Track TRY_BLOCK and
MUST_NOT_THROW_EXPR, warn about a THROW_EXPR directly within a
MUST_NOT_THROW_EXPR.
(cp_genericize_data): Add try_block field.
(cp_genericize_tree): Initialize it.
* except.c (expand_end_catch_block): Set TREE_NO_WARNING on
implicit rethrow.
From-SVN: r222842
* config/msp430/msp430-opts.h (enum msp430_regions): New.
* config/msp430/msp430.c (msp430_override_options): Complain if
-mcode-region or -mdata-region is used on a non MSP430X.
(msp430_section_attr): New function. Checks lower, upper and
either attributes.
(msp430_attribute_table): Add lower, upper and either.
(gen_prefix): New function. Generates a prefix for a section
name.
(msp430_select_section): New function - handles the choice of
section for an object. Takes into account memory region
attributes and options.
(msp430_function_section): Use gen_prefix.
(TARGET_SECTION_TYPE_FLAGS): Define.
(msp430_section_type_flags): New function.
(TARGET_ASM_UNIQUE_SECTION): Define.
(msp430_unique_section): New function.
(msp430_output_aligned_decl_common): New function.
(msp430_do_not_relax_short_jumps): New function.
* config/msp430/msp430.h (USE_SELECT_SECTION_FOR_FUNCTIONS):
Define.
(ASM_OUTPUT_ALIGNED_DECL_COMMON): Define.
* config/msp430/msp430-protos.h
(msp430_do_not_relax_short_jumps): New prototype.
(msp430_output_aligned_decl_common): New prototype.
* config/msp430/msp430.md (length): New attribute.
(cbranchhi4_real): If msp430_do_not_relax_short_jumps is true
then use a long code sequence for short jumps.
* config/msp430/msp430.opt (mcode-region): New.
(mdata-region): New.
* doc/invoke.texi: Document new options.
* doc/extend.texi: Document new attributes.
From-SVN: r222810
* config.host (case ${host}): Add aarch64*-*-linux case.
* config/aarch64/aarch64-cores.def: Add IMPLEMENTER_ID and PART_NUMBER
fields to all the cores.
* config/aarch64/aarch64-elf.h (DRIVER_SELF_SPECS):
Add MCPU_MTUNE_NATIVE_SPECS.
* config/aarch64/aarch64-option-extensions.def: Add FEATURE_STRING
field to all extensions.
* config/aarch64/aarch64-opts.h: Adjust definition of AARCH64_CORE.
* config/aarch64/aarch64.c: Adjust definition of AARCH64_CORE.
Adjust definition of AARCH64_OPT_EXTENSION.
* config/aarch64/aarch64.h: Adjust definition of AARCH64_CORE.
(MCPU_MTUNE_NATIVE_SPECS): Define.
* config/aarch64/driver-aarch64.c: New file.
* config/aarch64/x-arch64: New file.
* doc/invoke.texi (AArch64 Options): Document native value for -mcpu,
-mtune and -march.
From-SVN: r222415
PR c/63357
* c-common.c (warn_logical_operator): Warn if the operands have the
same expressions.
* doc/invoke.texi: Update description of -Wlogical-op.
* c-c++-common/Wlogical-op-1.c: New test.
From-SVN: r222408
* config/rl78/rl78-opts.h (enum rl78_mul_types): Add MUL_G14 and
MUL_UNINIT.
(enum rl78_cpu_type): New.
* config/rl78/rl78-virt.md (attr valloc): Add divhi and divsi.
(umulhi3_shift_virt): Remove m constraint from operand 1.
(umulqihi3_virt): Likewise.
* config/rl78/rl78.c (rl78_option_override): Add code to process
-mcpu and -mmul options.
(rl78_alloc_physical_registers): Add code to handle divhi and
divsi valloc attributes.
(set_origin): Likewise.
* config/rl78/rl78.h (RL78_MUL_G14): Define.
(TARGET_G10, TARGET_G13, TARGET_G14): Define.
(TARGET_CPU_CPP_BUILTINS): Define __RL78_MUL_xxx__ and
__RL78_Gxx__.
(ASM_SPEC): Pass -mcpu on to assembler.
* config/rl78/rl78.md (mulqi3): Add a clobber of AX.
(mulqi3_rl78): Likewise.
(mulhi3_g13): Likewise.
(mulhi3): Generate the G13 or G14 versions of the insn directly.
(mulsi3): Likewise.
(mulhi3_g14): Add clobbers of AX and BC.
(mulsi3_g14): Likewise.
(mulsi3_g13): Likewise.
(udivmodhi4, udivmodhi4_g14, udivmodsi4): New patterns.
(udivmodsi4_g14, udivmodsi4_g13): New patterns.
* config/rl78/rl78.opt (mmul): Initialise value to
RL78_MUL_UNINIT.
(mcpu): New option.
(m13, m14, mrl78): New option aliases.
* config/rl78/t-rl78 (MULTILIB_OPTIONS): Add mg13 and mg14.
(MULTILIB_DIRNAMES): Add g13 and g14.
* doc/invoke.texi: Document -mcpu and -mmul options.
* config/rl78/divmodhi.S: Add G14 and G13 versions of the __divhi3
and __modhi3 functions.
* config/rl78/divmodso.S: Add G14 and G13 versions of the
__divsi3, __udivsi3, __modsi3 and __umodsi3 functions.
From-SVN: r222142
* config/rx/rx.opt (mallow-string-insns): New option.
* config/rx/rx.c (RX_BUILTIN_RMPA): Disable the use of this
builtin if string instructions are denied.
* config/rx/rx.h (TARGET_CPU_CPP_BUILTINS): Define
__RX_ALLOW_STRING_INSNS__ or __RX_DISALLOW_STRING_INSNS__, as
appropriate.
(ASM_SPEC): Pass -mno-allow-string-insns on to the assembler.
* config/rx/rx.md (movstr): Enable pattern only if string
instructions are allowed.
(rx_movstr, rx_strend, movmemsi, rx_movmem): Likewise.
(cmpstrnsi, cmpstrsi, rx_cmpstrn, rmpa): Likewise.
* config/rx/t-rx (MULTILIB_OPTIONS): Add mno-allow-string-insns.
(MULTILIB_DIRNAMES): Add no-strings.
* doc/invoke.texi: Document -mno-allow-string-insns.
* gcc.target/rx/builtins.c: Disable RMPA test if string
instructions are not allowed.
From-SVN: r222116
PR ipa/65478
* params.def (PARAM_IPA_CP_RECURSION_PENALTY) : New.
(PARAM_IPA_CP_SINGLE_CALL_PENALTY): Likewise.
* ipa-prop.h (ipa_node_params): New flags node_within_scc and
node_calling_single_call.
* ipa-cp.c (count_callers): New function.
(set_single_call_flag): Likewise.
(initialize_node_lattices): Count callers and set single_flag_call if
necessary.
(incorporate_penalties): New function.
(good_cloning_opportunity_p): Use it, dump new flags.
(propagate_constants_topo): Set node_within_scc flag if appropriate.
* doc/invoke.texi (ipa-cp-recursion-penalty,
ipa-cp-single-call-pentalty): Document.
From-SVN: r221763
PR c++/65046
Automatically propagate ABI tags to variables and functions
from their (return) type.
* class.c (check_tag): Handle variables and functions.
(mark_or_check_attr_tags): Split out from find_abi_tags_r.
(mark_or_check_tags): Likewise.
(mark_abi_tags): Use it. Rename from mark_type_abi_tags.
(check_abi_tags): Add single argument overload for decls.
Handle inheriting tags for decls.
* mangle.c (write_mangled_name): Call it.
(mangle_return_type_p): Split out from write_encoding.
(unmangled_name_p): Split out from write_mangled_name.
(write_mangled_name): Ignore abi_tag on namespace.
* cp-tree.h (NAMESPACE_IS_INLINE): Replace NAMESPACE_ABI_TAG.
* parser.c (cp_parser_namespace_definition): Set it.
* name-lookup.c (handle_namespace_attrs): Use arguments. Warn
about abi_tag attribute on non-inline namespace.
* tree.c (check_abi_tag_args): Split out from handle_abi_tag_attribute.
(handle_abi_tag_attribute): Allow tags on variables.
From-SVN: r221521
PR target/65296
* config/avr/avr.opt (-nodevicelib): New option.
* doc/invoke.texi (AVR Options): Document it.
* config/avr/avrlibc.h (LIB_SPEC, LIBGCC_SPEC) [avr1]: Don't link
libgcc.a, libc.a, libm.a.
* config/avr/specs.h: Same.
* config/avr/gen-avr-mmcu-specs.c (print_mcu): Don't print specs
which don't (directly) depend on the device. Print more help.
(*avrlibc_devicelib) [-nodevicelib]: Don't link libdev.a.
(*cpp): Don't define __AVR_DEV_LIB_NAME__.
* config/avr/driver-avr.c: Remove -nodevicelib from option list in
case of an error.
(avr_devicespecs_file): Use suffix "%s" instead of absolute path
for specs file name.
* config/avr/avr-arch.h (avr_mcu_t) [.library_name]: Remove.
* config/avr/avr-mcus.def: Adjust initializers and comments.
From-SVN: r221475
PR sanitizer/65280
* doc/invoke.texi: Update description of -fsanitize=bounds.
* c-ubsan.c (ubsan_instrument_bounds): Check for COMPONENT_REF
before trying to figure out whether we have a flexible array member.
* c-c++-common/ubsan/bounds-1.c: Add testing of flexible array
member-like arrays.
* c-c++-common/ubsan/bounds-8.c: New test.
* c-c++-common/ubsan/bounds-9.c: New test.
* gcc.dg/ubsan/bounds-2.c: New test.
Co-Authored-By: Martin Uecker <uecker@eecs.berkeley.edu>
From-SVN: r221250
2015-03-02 Michael Meissner <meissner@linux.vnet.ibm.com>
PR 65138/target
* config/rs6000/rs6000-cpus.def (powerpc64le): Add new generic
processor type for 64-bit little endian PowerPC.
* config/rs6000/rs6000.c (rs6000_option_override_internal): If
-mdebug=reg, print TARGET_DEFAULT. Fix logic to use
TARGET_DEFAULT if there is no default cpu. Fix -mdebug=reg
printing built-in mask so it does not pass NULL pointers.
* doc/invoke.texi (IBM RS/6000 and PowerPC options): Document
-mcpu=powerpc64le.
From-SVN: r221132
PR c/65040
* doc/invoke.texi: Update to reflect that -Wformat=2 doesn't enable
-Wformat-signedness anymore.
* c.opt (Wformat-signedness): Don't enable by -Wformat=2.
* gcc.dg/pr65066.c: Use -Wformat -Wformat-signedness and not
-Wformat=2.
From-SVN: r221061
This patch adds -fipa-cp-alignment to provide a way to enable/disable
alignment discovery and propagation in IPA-CP.
gcc/
* common.opt (fipa-cp-alignment): New.
* ipa-cp.c (ipcp_store_alignment_results): Check
flag_ipa_cp_alignment.
* opts.c (default_options_table): Enable -fipa-cp-alignment for
-O2.
(enable_fdo_optimizations): Set x_flag_ipa_cp_alignment.
* doc/invoke.texi: Document -fipa-cp-alignment.
gcc/testsuite/
* gcc.dg/ipa/propalign-3.c: New test.
From-SVN: r220773
James Bowman
Jan Hubicka
David Malcolm
Alexander Monakov
Jason Merrill
Gregor Richards
Marek Polacek
Marek Polacek
Nick Clifton
Yvan Roux
Sandra Loosemore
Kyrylo Tkachov
Yury Gribov
Paolo Carlini
Gerald Pfeifer
Evandro Menezes
Jan Hubicka
Ilya Enkovich
Martin Jambor
Bin Cheng
Jakub Jelinek
Georg-Johann Lay
Dominik Vogt
Andreas Krebbel
Michael Meissner
Ulrich Drepper
Vladimir Makarov
Tom de Vries
Thomas Schwinge
Oleg Endo
H.J. Lu
David Wohlferd