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
* gcov-tool.c (do_merge): Refactore to remove int ret.
* ipa-icf.c (sem_item::hash_referenced_symbol_properties): Change
!type == FUNC to type != FUNC.
* reload.h (struct target_reload): Changee to type of
x_spill_indirect_levels from bool to unsigned char.
From-SVN: r222884
PR middle-end/192
PR middle-end/54303
* varasm.c (function_mergeable_rodata_prefix): New function.
(mergeable_string_section): Use it.
(mergeable_constant_section): Use it.
gcc/testsuite/
* gcc.dg/fdata-sections-2.c: New file.
From-SVN: r222880
2015-05-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/66002
* passes.def: Schedule another pass_merge_phi after ifcombine, right
before phiopt.
* gcc.dg/vect/vect-125.c: New testcase.
From-SVN: r222873
When analyzing function calls with interface parameters, all arguments
related to an interface parameter were assumed to escape via the
function arguments. Now, if an argument is related to a non-escaping
parameter with an interface type, the argument may be stack-allocated.
From-SVN: r222865
2015-05-06 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/37131
* gfortran.h (gfc_isym_id): Add GFC_ISYM_FE_RUNTIME_ERROR.
(gfc_intrinsic_sym): Add vararg.
* intrinsic.h (gfc_check_fe_runtime_error): Add prototype.
(gfc_resolve_re_runtime_error): Likewise.
Add prototype for gfc_is_reallocatable_lhs.
* trans-array.h (gfc_is_reallocatable_lhs): Remove prototype.
* check.c (gfc_check_fe_runtime_error): New function.
* intrinsic.c (add_sym_1p): New function.
(make_vararg): New function.
(add_subroutines): Add fe_runtime_error.
(gfc_intrinsic_sub_interface): Skip sorting for variable number
of arguments.
* iresolve.c (gfc_resolve_fe_runtime_error): New function.
* lang.opt (inline-matmul-limit): New option.
(gfc_post_options): If no inline matmul limit has been set and
BLAS is called externally, use the BLAS limit.
* frontend-passes.c: Include intrinsic.h.
(var_num): New global counter for naming temporary variablbles.
(matrix_case): Enum for differentiating the different matmul
cases.
(realloc_string_callback): Add "trim" to the variable name.
(create_var): Add optional argument vname as part of the name.
Use var_num. Set dimension of result correctly. Split off block
creation into
(insert_block): New function.
(cfe_expr_0): Use "fcn" as part of temporary variable name.
(optimize_namesapce): Also set gfc_current_ns. Call
inline_matmul_assign.
(combine_array_constructor): Use "constr" as part of
temporary name.
(get_array_inq_function): New function.
(build_logical_expr): New function.
(get_operand): new function.
(inline_limit_check): New function.
(runtime_error_ne): New function.
(matmul_lhs_realloc): New function.
(is_functino_or_op): New function.
(has_function_or_op): New function.
(freeze_expr): New function.
(freeze_references): New function.
(convert_to_index_kind): New function.
(create_do_loop): New function.
(get_size_m1): New function.
(scalarized_expr): New function.
(inline_matmul_assign): New function.
* simplify.c (simplify_bound): Simplify the case of the
lower bound of an assumed-shape argument.
2015-05-06 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/37131
* gfortran.dg/dependency_26.f90: Add option to suppress inlining
matmul.
* gfortran.dg/function_optimize_1.f90: Likewise.
* gfortran.dg/function_optimize_2.f90: Likewise.
* gfortran.dg/function_optimize_5.f90: Likewise.
* gfortran.dg/function_optimize_7.f90: Likewise.
* gfortran.dg/inline_matmul_1.f90: New test.
* gfortran.dg/inline_matmul_2.f90: New test.
* gfortran.dg/inline_matmul_3.f90: New test.
* gfortran.dg/inline_matmul_4.f90: New test.
* gfortran.dg/inline_matmul_5.f90: New test.
* gfortran.dg/inline_matmul_6.f90: New test.
From-SVN: r222864
* config/rs6000/rs6000.md (cstore<mode>4_signed_imm): New expander.
(cstore<mode>4_unsigned_imm): New expander.
(cstore<mode>4): Remove empty constraint strings. Use the new
expanders.
From-SVN: r222855
On behalf of Szabolcs Nagy.
2015-05-06 Szabolcs Nagy <szabolcs.nagy@arm.com>
* config/aarch64/geniterators.sh: Use standard BRE in sed.
From-SVN: r222852
2015-05-06 Richard Biener <rguenther@suse.de>
* tree-vect-slp.c (vect_supported_load_permutation_p): Use
vect_transform_slp_perm_load to check if we support a permutation
for basic-block vectorization.
* gcc.dg/vect/bb-slp-34.c: New testcase.
From-SVN: r222846
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
gcc/
* dwarf2out.c (gen_member_die): Don't emit anything for an
anonymous class constructor.
gcc/cp/
* decl2.c (reset_type_linkage_2): Update the DECL_NAME of a
maybe-in-charge constructor.
From-SVN: r222839
2015-05-05 Jack Howarth <howarth.at.gcc@gmail.com>
* config.gcc: Use darwin9.h, darwin10.h and darwin12.h
on darwin12 and later.
* config/darwin12.h (LINK_GCC_C_SEQUENCE_SPEC): Add
file to pass -rdynamic on darwin12 and later.
* config/darwin.opt (rdynamic): Add.
From-SVN: r222822
PR target/65990
* config/i386/i386.c (ix86_parse_stringop_strategy_string): Error out
if rep_8byte stringop strategy was specified for 32-bit target.
testsuite/ChangeLog:
PR target/65990
* gcc.target/i386/pr65990.c: New test.
From-SVN: r222817
* 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
libcpp/ChangeLog:
* include/line-map.h: Fix comment at the top of the file.
(source_location): Rewrite and expand the comment for this
typedef, adding an ascii-art table to clarify how source_location
values are allocated.
* line-map.c: Fix comment at the top of the file.
From-SVN: r222806
* doc/extend.texi (__atomic Builtins): Move implementation details
to the end of the description, rewrite opening paragraphs, state
difference with __sync builtins, state C11/C++11 assumptions,
weaken itemized descriptions, add explanation of memory model
behaviour, expand description of compare-exchange, simplify text.
From-SVN: r222803
