gcc/
* doc/invoke.texi (Invoking GCC): Add new section to menu.
(Option Summary): Update to reflect new section and moved options.
(C++ Dialect Options): Move -fvtable-verify and related options.
(Debugging Options): Move Sanitizer, Pointer Bounds Checker,
and profiling-related options.
(Optimization Options): Move profile generation options and
-fstack-protector and related options.
(Instrumentation Options): New section incorporating moved options.
(Code Generation Options): Move -finstrument-functions and
related options, -fstack-check, -fstack-limit*, and -fbounds-check.
Calling redirect_edge_var_map_empty after each pass was slowing things
down because hash_table::empty () cleared all slots even if the hash
table was already empty.
Tested on x86_64-linux-gnu, where it gives a 1% compile time improvement
for fold-const.ii at -O and -O2.
gcc/
* hash-table.h (hash_table::empty): Turn into an inline wrapper
that checks whether the table is already empty. Rename the
original implementation to...
(hash_table::empty_slot): ...this new private function.
David Malcolm [Sat, 16 Jan 2016 04:38:19 +0000 (04:38 +0000)]
PR diagnostic/68899: fix read-beyond-buffer when printing very wide source lines
gcc/ChangeLog:
PR diagnostic/68899
* diagnostic-show-locus.c (layout::print_source_line): Move x
offset of line until after call to
get_line_width_without_trailing_whitespace.
Patrick Palka [Sat, 16 Jan 2016 02:30:14 +0000 (02:30 +0000)]
Fix logic bug in Cilk Plus array expansion
gcc/cp/ChangeLog:
* cp-array-notation.c (cp_expand_cond_array_notations): Return
error_mark_node only if find_rank failed, not if it was
successful.
gcc/testsuite/ChangeLog:
* c-c++-common/cilk-plus/AN/an-if.c: Check that the original
dump does not contain an error_mark_node.
* c-c++-common/cilk-plus/CK/pr60469.c: Likewise.
* c-c++-common/cilk-plus/AN/fn_ptr-2.c: New xfail'd test.
Patrick Palka [Sat, 16 Jan 2016 02:27:36 +0000 (02:27 +0000)]
re PR c++/68936 (ICE: tree check: expected call_expr, have target_expr in build_min_non_dep_call_vec, at cp/tree.c:2744)
Fix PR c++/68936
gcc/cp/ChangeLog:
PR c++/68936
* tree.c (build_min_non_dep_call_vec): Don't retain the
KOENIG_LOOKUP_P flag of the non-dependent expression that's
been built.
(build_min_non_dep_op_overload): Instead, do it here.
gcc/testsuite/ChangeLog:
PR c++/68936
* g++.dg/template/pr68936.C: New test.
Jeff Law [Fri, 15 Jan 2016 22:32:05 +0000 (15:32 -0700)]
re PR tree-optimization/69270 (DOM should exploit range information to create more equivalences)
PR tree-optimization/69270
* tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
tree-ssa-dom.c. Improve test for [0..1] ranve from VRP.
* tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
* tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
* tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
ssa_name_has_boolean_range and constant_boolean_node.
PR tree-optimization/69270
* gcc.dg/tree-ssa/pr69270-2.c: New test.
* gcc.dg/tree-ssa/pr69270-3.c: New test.
Paul Thomas [Fri, 15 Jan 2016 20:33:58 +0000 (20:33 +0000)]
re PR fortran/64324 (Deferred character specific functions not permitted in generic operator interface)
2016-01-15 Paul Thomas <pault@gcc.gnu.org>
PR fortran/64324
* resolve.c (check_uop_procedure): Prevent deferred length
characters from being trapped by assumed length error.
PR fortran/49630
PR fortran/54070
PR fortran/60593
PR fortran/60795
PR fortran/61147
PR fortran/64324
* trans-array.c (gfc_conv_scalarized_array_ref): Pass decl for
function as well as variable expressions.
(gfc_array_init_size): Add 'expr' as an argument. Use this to
correctly set the descriptor dtype for deferred characters.
(gfc_array_allocate): Add 'expr' to the call to
'gfc_array_init_size'.
* trans.c (gfc_build_array_ref): Expand logic for setting span
to include indirect references to character lengths.
* trans-decl.c (gfc_get_symbol_decl): Ensure that deferred
result char lengths that are PARM_DECLs are indirectly
referenced both for directly passed and by reference.
(create_function_arglist): If the length type is a pointer type
then store the length as the 'passed_length' and make the char
length an indirect reference to it.
(gfc_trans_deferred_vars): If a character length has escaped
being set as an indirect reference, return it via the 'passed
length'.
* trans-expr.c (gfc_conv_procedure_call): The length of
deferred character length results is set TREE_STATIC and set to
zero.
(gfc_trans_assignment_1): Do not fix the rse string_length if
it is a variable, a parameter or an indirect reference. Add the
code to trap assignment of scalars to unallocated arrays.
* trans-stmt.c (gfc_trans_allocate): Remove 'def_str_len' and
all references to it. Instead, replicate the code to obtain a
explicitly defined string length and provide a value before
array allocation so that the dtype is correctly set.
trans-types.c (gfc_get_character_type): If the character length
is a pointer, use the indirect reference.
2016-01-15 Paul Thomas <pault@gcc.gnu.org>
PR fortran/49630
* gfortran.dg/deferred_character_13.f90: New test for the fix
of comment 3 of the PR.
PR fortran/54070
* gfortran.dg/deferred_character_8.f90: New test
* gfortran.dg/allocate_error_5.f90: New test
PR fortran/60593
* gfortran.dg/deferred_character_10.f90: New test
PR fortran/60795
* gfortran.dg/deferred_character_14.f90: New test
PR fortran/61147
* gfortran.dg/deferred_character_11.f90: New test
PR fortran/64324
* gfortran.dg/deferred_character_9.f90: New test
Vladimir Makarov [Fri, 15 Jan 2016 19:33:33 +0000 (19:33 +0000)]
re PR rtl-optimization/69030 (ICE on x86_64-linux-gnu at -O2 and above in 32-bit mode (ICE in copy_rtx, at rtl.c:358))
2016-01-15 Vladimir Makarov <vmakarov@redhat.com>
PR rtl-optimization/69030
* lra-spills.c (remove_pseudos): Check nrefs and make the function
returning bool.
(spill_pseudos): Delete debug insn for dead pseudo.
(lra_spill): Initiate spill_hard_reg and slots memory separately.
Richard Biener [Fri, 15 Jan 2016 15:37:38 +0000 (15:37 +0000)]
re PR debug/69137 (ICE in odr_type_p, at ipa-utils.h:257)
2016-01-15 Richard Biener <rguenther@suse.de>
PR debug/69137
* dwarf2out.c (add_linkage_name_raw): New function split out from ...
(add_linkage_name): ... here.
(gen_typedef_die): Use add_linkage_name_raw instead of
add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
if necessary.
The problem in this PR was that we were treating a sibcall as popping
arguments, leading to a negative REG_ARGS_SIZE.
It doesn't really make sense to treat sibcalls as popping since
(a) they're deallocating the caller's stack, not ours, and
(b) there are no optabs for popping sibcalls (any more).
Tested on x86_64-linux-gnu.
gcc/
PR middle-end/69246
* calls.c (emit_call_1): Force n_popped to zero for sibcalls.
gcc/testsuite/
PR middle-end/69246
* gcc.target/i386/pr69246.c: New test.
Martin Jambor [Fri, 15 Jan 2016 12:43:49 +0000 (13:43 +0100)]
Avoid extraneous remapping in copy_gimple_seq_and_replace_locals
2016-01-15 Martin Jambor <mjambor@suse.cz>
* tree-inline.c (remap_decl): Use existing dclarations if
remapping a type and prevent_decl_creation_for_types.
(replace_locals_stmt): Do an initial remapping of non-VLA typed
decls first. Do real remapping with
prevent_decl_creation_for_types set.
* tree-inline.h (copy_body_data): New field
prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
padding.
Jan Hubicka [Fri, 15 Jan 2016 11:00:24 +0000 (12:00 +0100)]
re PR ipa/68148 (Devirtualization only applies to last of multiple successive calls)
PR ipa/68148
* ipa-icf.c (sem_function::merge): Virtual functions may become
reachable even if they address is not taken and there are no
idrect calls.
* g++.dg/ipa/devirt-49.C: New testcase.
Christian Bruel [Fri, 15 Jan 2016 08:46:49 +0000 (09:46 +0100)]
re PR target/65837 ([arm-linux-gnueabihf] lto1 target specific builtin not available)
gcc
2015-01-16 Christian Bruel <christian.bruel@st.com>
PR target/65837
* config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
(arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
(arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
use add_builtin_function_ext_scope instead of add_builtin_function.
(neon_set_p, neon_crypto_set_p): Remove.
(arm_init_builtins): Always call arm_init_neon_builtins and
arm_init_crypto_builtins.
(arm_expand_builtin): Check that builtins are allowed for the arch.
* config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
* config/arm/arm.c (arm_valid_target_attribute_tree): Remove
arm_init_neon_builtins call.
gcc/testsuite
2015-01-16 Christian Bruel <christian.bruel@st.com>
PR target/65837
* gcc.target/arm/attr-neon-builtin-fail2.c: New test.
* gcc.target/arm/lto/pr65837-attr_0.c: New test.
* gcc.target/arm/lto/pr65837_0.c: Fix skip condition and use ACLE name.
Nick Clifton [Fri, 15 Jan 2016 08:18:13 +0000 (08:18 +0000)]
t-msp430 (lib2_mul_none.o): Only use the first dependency as the source file to be compiled.
* config/msp430/t-msp430 (lib2_mul_none.o): Only use the first
dependency as the source file to be compiled.
(lib2_mul_16bit.o, lib2hw_mul_16.o, lib2hw_mul_32.o)
(lib2hw_mul_f5.o): Likewise.
Richard Biener [Fri, 15 Jan 2016 08:16:08 +0000 (08:16 +0000)]
re PR tree-optimization/69117 (wrong code at -O1 -fstrict-aliasing)
2016-01-15 Richard Biener <rguenther@suse.de>
PR tree-optimization/69117
* tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
* tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
of the leader conservatively.
(free_scc_vn): Restore original SSA name infos.
Jeff Law [Fri, 15 Jan 2016 02:45:44 +0000 (19:45 -0700)]
re PR tree-optimization/69270 (DOM should exploit range information to create more equivalences)
PR tree-optimization/69270
* tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
single bit of precision, verify it's also unsigned.
(record_edge_info): Use constant_boolean_node rather than fold_convert
to convert boolean_true/boolean_false to the right type.
re PR rtl-optimization/69014 (gcc.c-torture/execute/991023-1.c FAILs with -Os -fmodulo-sched -fno-tree-vrp)
PR rtl-opt/69014
* loop-doloop.c (record_reg_sets): New.
(doloop_optimize): Reject the transform if the sequence
clobbers registers live at the end of the loop block.
(doloop_optimize_loops): Enable df_live if needed.
re PR c/69272 (ICE: in c_builtin_function, at c/c-decl.c:4020 with -fgnu-tm)
PR c/69272
PR tree-opt/68964
* trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
* tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
instead of builtin_decl_declared_p to test for declaration.
Tom de Vries [Thu, 14 Jan 2016 20:01:39 +0000 (20:01 +0000)]
Mark symbols in offload tables with force_output in read_offload_tables
2016-01-14 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/68773
* c-parser.c (c_parser_oacc_declare, c_parser_omp_declare_target): Don't
set force_output.
* parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
set force_output.
* omp-low.c (expand_omp_target): Don't set force_output.
* varpool.c (varpool_node::get_create): Same.
* lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
offload_funcs with force_output.
Jakub Jelinek [Thu, 14 Jan 2016 19:57:34 +0000 (20:57 +0100)]
re PR debug/69244 (ICE in plus_constant, at explow.c:87 on i686-linux-gnu)
PR debug/69244
* lra-eliminations.c (move_plus_up): Don't change anything if either
the outer or inner subreg mode is not MODE_INT.
* dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.
powerpc: Add some XFAILs to 20050603-3.c (PR68803)
In r230167 I made this testcase be tested on 64-bit as well, since it
now works. That was a tad optimistic for powerpc64le though. For now,
XFAIL it there.
PR target/68803
* gcc.target/powerpc/20050603-3.c: Add xfails for powerpc64le.
David Malcolm [Thu, 14 Jan 2016 19:10:17 +0000 (19:10 +0000)]
PR preprocessor/69177 and PR c++/68819: libcpp fallbacks and -Wmisleading-indentation
gcc/c-family/ChangeLog:
PR c++/68819
* c-indentation.c (get_visual_column): Add location_t param.
Handle the column number being zero by effectively disabling the
warning, with an "inform".
(should_warn_for_misleading_indentation): Add location_t argument
for all uses of get_visual_column.
gcc/testsuite/ChangeLog:
PR c++/68819
PR preprocessor/69177
* gcc.dg/plugin/location-overflow-test-1.c: New test case.
* gcc.dg/plugin/location-overflow-test-2.c: New test case.
* gcc.dg/plugin/location_overflow_plugin.c: New test plugin.
* gcc.dg/plugin/plugin.exp (plugin_test_list): Add the above.
libcpp/ChangeLog:
PR preprocessor/69177
* line-map.c (LINE_MAP_MAX_LOCATION_WITH_PACKED_RANGES): New
constant.
(LINE_MAP_MAX_LOCATION_WITH_COLS): Add note about unit tests
to comment.
(can_be_stored_compactly_p): Reduce threshold from
LINE_MAP_MAX_LOCATION_WITH_COLS to
LINE_MAP_MAX_LOCATION_WITH_PACKED_RANGES.
(get_combined_adhoc_loc): Likewise.
(get_range_from_loc): Likewise.
(linemap_line_start): Ensure that a new ordinary map is created
when transitioning from range-packing being enabled to disabled,
at the LINE_MAP_MAX_LOCATION_WITH_PACKED_RANGES threshold. Set
range_bits to 0 for new ordinary maps when beyond this limit.
Prevent the "increase the column bits of a freshly created map"
optimization if the range bits has reduced.
Jakub Jelinek [Thu, 14 Jan 2016 15:25:22 +0000 (16:25 +0100)]
re PR middle-end/68146 (ice in gimple_stmt_nonnegative_warnv_p with -O2)
PR middle-end/68146
PR tree-optimization/69155
* tree-complex.c: Include cfganal.h.
(phis_to_revisit): New variable.
(extract_component): Add phiarg_p argument. Assert that returned
SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
(update_phi_components): Partly rewrite to use loop over real/imag
components instead of code duplication. If extract_component returns
SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
create_tmp_reg into the PHI node instead, and mention the phi triplet
in phis_to_revisit.
(tree_lower_complex): Walk bbs in rpo order. Adjust phis recorded
in phis_to_revisit at the end.
* gfortran.dg/pr68146.f: New test.
* gfortran.dg/pr69155.f90: New test.
Richard Biener [Thu, 14 Jan 2016 15:13:19 +0000 (15:13 +0000)]
re PR tree-optimization/68060 (ICE on valid code at -O3 on x86_64-linux-gnu in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1413)
2016-01-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/68060
* tree-vect-loop.c (vect_is_simple_reduction): Check the
outer loop reduction is only used in the inner loop before
detecting a double reduction.
* gcc.dg/torture/pr68060-1.c: New testcase.
* gcc.dg/torture/pr68060-2.c: Likewise.
Richard Biener [Thu, 14 Jan 2016 14:51:35 +0000 (14:51 +0000)]
re PR tree-optimization/66856 (ICE in compute_live_loop_exits, at tree-ssa-loop-manip.c:234)
2016-01-14 Richard Biener <rguenther@suse.de>
PR tree-optimization/66856
* tree-vect-slp.c (vect_build_slp_tree): Refactor to build
SLP node only if it built successfully.
(vect_analyze_slp_instance): Adjust.
Nick Clifton [Thu, 14 Jan 2016 12:36:31 +0000 (12:36 +0000)]
* lib/target-supports.exp
(check_effective_target_arm_neon_ok_nocache): Add an option
sequence that includes setting the ARM architecture to ARMv7-A.
* gcc.target/arm/attr-neon.c: Use dg-add-options to add the
command line options necessary to enable Neon support.
* gcc.target/arm/neon-vlshr-imm-1.c: Likewise.
* gcc.target/arm/neon-vshl-imm-1.c: Likewise.
* gcc.target/arm/neon-vshr-imm-1.c: Likewise.
* gcc.target/arm/pr69180.c: Likewise.
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