gcc/ChangeLog:
* print-rtl.c (rtx_writer::operand_has_default_value_p): New
method.
(rtx_writer::print_rtx): In compact mode, omit trailing operands
that have the default values.
* print-rtl.h (rtx_writer::operand_has_default_value_p): New
method.
* rtl-tests.c (selftest::test_dumping_insns): Remove empty
label string from expected dump.
(seltest::test_uncond_jump): Remove trailing "(nil)" for REG_NOTES
from expected dump.
Jakub Jelinek [Mon, 7 Nov 2016 13:07:32 +0000 (14:07 +0100)]
re PR middle-end/71529 ([CHKP] ICE in expand_expr_real_1)
PR middle-end/71529
* gcc.target/i386/pr71529.C: Moved to ...
* g++.dg/opt/pr71529.C: ... here. New test. Guard for i?86/x86_64.
PR target/64411
* gcc.target/i386/pr64411.C: Moved to ...
* g++.dg/opt/pr64411.C: ... here. New test. Guard for i?86/x86_64
lp64.
PR target/65105
* gcc.target/i386/pr65105-4.C: Moved to ...
* g++.dg/opt/pr65105-4.C: ... here. New test. Guard for i?86/x86_64.
Run into compile test rather than execute test.
Richard Biener [Mon, 7 Nov 2016 12:26:00 +0000 (12:26 +0000)]
re PR tree-optimization/78218 (wrong code at -Os and above on x86_64-linux-gnu (in both 32-bit and 64-bit modes))
2016-11-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/78218
* gimple-ssa-store-merging.c
(pass_store_merging::terminate_all_aliasing_chains):
Drop unused argument, fix alias check to also consider uses.
(pass_store_merging::execute): Adjust.
Kyrylo Tkachov [Mon, 7 Nov 2016 11:43:57 +0000 (11:43 +0000)]
[AArch64] Fix PR target/77822: Use tighter predicates for zero_extract patterns
PR target/77822
* config/aarch64/aarch64.md (*tb<optab><mode>1): Use
aarch64_simd_shift_imm_<mode> predicate for operand 1.
(<optab>, ANY_EXTRACT): Use tighter predicates on operands 2 and 3
to restrict them to an appropriate range and add FAIL check if the
region they specify is out of range. Delete useless constraint
strings.
(*<optab><mode>, ANY_EXTRACT): Add appropriate predicates on operands
2 and 3 to restrict their range and add pattern predicate.
Martin Liska [Mon, 7 Nov 2016 10:23:38 +0000 (11:23 +0100)]
Introduce -fsanitize-address-use-after-scope
* c-warn.c (warn_for_unused_label): Save all labels used
in goto or in &label.
* asan.c (enum asan_check_flags): Move the enum to header file.
(asan_init_shadow_ptr_types): Make type creation more generic.
(shadow_mem_size): New function.
(asan_emit_stack_protection): Use newly added ASAN_SHADOW_GRANULARITY.
Rewritten stack unpoisoning code.
(build_shadow_mem_access): Add new argument return_address.
(instrument_derefs): Instrument local variables if use after scope
sanitization is enabled.
(asan_store_shadow_bytes): New function.
(asan_expand_mark_ifn): Likewise.
(asan_sanitize_stack_p): Moved from asan_sanitize_stack_p.
* asan.h (enum asan_mark_flags): Moved here from asan.c
(asan_protect_stack_decl): Protect all declaration that need
to live in memory.
(asan_sanitize_use_after_scope): New function.
(asan_no_sanitize_address_p): Likewise.
* cfgexpand.c (partition_stack_vars): Consider
asan_sanitize_use_after_scope in condition.
(expand_stack_vars): Likewise.
* common.opt (-fsanitize-address-use-after-scope): New option.
* doc/invoke.texi (use-after-scope-direct-emission-threshold):
Explain the parameter.
* flag-types.h (enum sanitize_code): Define SANITIZE_USE_AFTER_SCOPE.
* gimplify.c (build_asan_poison_call_expr): New function.
(asan_poison_variable): Likewise.
(gimplify_bind_expr): Generate poisoning/unpoisoning for local
variables that have address taken.
(gimplify_decl_expr): Likewise.
(gimplify_target_expr): Likewise for C++ temporaries.
(sort_by_decl_uid): New function.
(gimplify_expr): Unpoison all variables for a label we can jump
from outside of a scope.
(gimplify_switch_expr): Unpoison variables defined in the switch
context.
(gimplify_function_tree): Clear asan_poisoned_variables.
(asan_poison_variables): New function.
(warn_switch_unreachable_r): Handle IFN_ASAN_MARK.
* internal-fn.c (expand_ASAN_MARK): New function.
* internal-fn.def (ASAN_MARK): Declare.
* opts.c (finish_options): Handle -fstack-reuse if
-fsanitize-address-use-after-scope is enabled.
(common_handle_option): Enable address sanitization if
-fsanitize-address-use-after-scope is enabled.
* params.def (PARAM_USE_AFTER_SCOPE_DIRECT_EMISSION_THRESHOLD):
New parameter.
* params.h: Likewise.
* sancov.c (pass_sanopt::execute): Handle IFN_ASAN_MARK.
* sanitizer.def: Define __asan_poison_stack_memory and
__asan_unpoison_stack_memory functions.
* asan.c (asan_mark_poison_p): New function.
(transform_statements): Handle asan_mark_poison_p calls.
* gimple.c (nonfreeing_call_p): Handle IFN_ASAN_MARK.
Richard Biener [Mon, 7 Nov 2016 08:06:08 +0000 (08:06 +0000)]
re PR middle-end/37150 (basic-block vectorization misses some unrolled loops)
2016-11-07 Richard Biener <rguenther@suse.de>
PR tree-optimization/37150
* tree-vectorizer.h (vect_transform_slp_perm_load): Add n_perms
parameter.
* tree-vect-slp.c (vect_supported_load_permutation_p): Adjust.
(vect_analyze_slp_cost_1): Account for the real number of
permutations emitted and for dead loads.
(vect_transform_slp_perm_load): Add n_perms parameter counting
the number of emitted permutations.
* tree-vect-stmts.c (vectorizable_load): Adjust.
allocate_with_source_14.f03: Fixed number mallocs occuring.
gcc/testsuite/ChangeLog:
2016-11-06 Andre Vehreschild <vehre@gcc.gnu.org>
* gfortran.dg/allocate_with_source_14.f03: Fixed number mallocs
occuring.
gcc/fortran/ChangeLog:
2016-11-06 Andre Vehreschild <vehre@gcc.gnu.org>
* expr.c (is_non_empty_structure_constructor): New function to detect
non-empty structure constructor.
(gfc_has_default_initializer): Analyse initializers.
* resolve.c (cond_init): Removed.
(resolve_allocate_expr): Removed dead code. Moved invariant code out
of the loop over all objects to allocate.
(resolve_allocate_deallocate): Added the invariant code remove from
resolve_allocate_expr.
* trans-array.c (gfc_array_allocate): Removed nullify of structure
components in favour of doing this in gfc_trans_allocate for both
scalars and arrays in the same place.
* trans-expr.c (gfc_trans_init_assign): Always using _vptr->copy for
class objects.
* trans-stmt.c (allocate_get_initializer): Get the initializer
expression for object allocated.
(gfc_trans_allocate): Nullify a derived type only, when no SOURCE=
or MOLD= is present preventing duplicate work. Moved the creation
of the init-expression here to prevent code for conditions that
can not occur on freshly allocated object, like checking for the need
to free allocatable components.
PR go/78172.
libgo: avoid confusion in upcase_fields in mksysinfo.sh
The mksysinfo.sh script could get confused when there were multiple
types starting with the same name. I believe this is the underlying
cause of GCC PR 78172.
Also redirect a grep to /dev/null to avoid extraneous messages during
the build.
Mark Wielaard [Fri, 4 Nov 2016 23:55:01 +0000 (23:55 +0000)]
libiberty: Fix -Wimplicit-fallthrough warnings.
Adjust some comments, add some explicit fall through comments or explicit
returns where necessary to not get implicit-fallthrough warnings.
All fall throughs were deliberate. In one case I added an explicit return
false for clarity instead of falling through a default case (that also
would return false).
libiberty/ChangeLog:
* cplus-dem.c (demangle_signature): Move fall through comment.
(demangle_fund_type): Add fall through comment between 'G' and 'I'.
* hashtab.c (iterative_hash): Add fall through comments.
* regex.c (regex_compile): Add Fall through comment after '+'/'?'.
(byte_re_match_2_internal): Add Fall through comment after jump_n.
Change "Note fall through" to "Fall through".
(common_op_match_null_string_p): Return false after set_number_at
instead of fall through.
Paul Thomas [Fri, 4 Nov 2016 19:23:44 +0000 (19:23 +0000)]
re PR fortran/64933 (ASSOCIATE on a character variable does not allow substring expressions)
2016-04-19 Paul Thomas <pault@gcc.gnu.org>
PR fortran/64933
* primary.c (gfc_match_varspec): If selector expression is
unambiguously an array, make sure that the associate name
is an array and has an array spec. Modify the original
condition for doing this to exclude character types.
2016-04-19 Paul Thomas <pault@gcc.gnu.org>
PR fortran/64933
* gfortran.dg/associate_23.f90: New test.
Bill Schmidt [Fri, 4 Nov 2016 18:15:30 +0000 (18:15 +0000)]
rs6000.c (gimple-ssa.h): New #include.
[gcc]
2016-11-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
* config/rs6000/rs6000.c (gimple-ssa.h): New #include.
(TARGET_GIMPLE_FOLD_BUILTIN): Define as
rs6000_gimple_fold_builtin.
(rs6000_gimple_fold_builtin): New function. Add handling for
early expansion of vector addition builtins.
[gcc/testsuite]
2016-11-04 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
David Malcolm [Fri, 4 Nov 2016 17:05:38 +0000 (17:05 +0000)]
Start adding target-specific selftests
gcc/ChangeLog:
* config/i386/i386.c: Include "selftest.h" and "selftest-rtl.h".
(selftest::ix86_test_dumping_hard_regs): New function.
(selftest::ix86_run_selftests): New function.
(TARGET_RUN_TARGET_SELFTESTS): When CHECKING_P, wire this up to
selftest::ix86_run_selftests.
* doc/tm.texi.in (TARGET_RUN_TARGET_SELFTESTS): New.
* doc/tm.texi: Regenerate
* selftest-rtl.h: New file.
* rtl-tests.c: Include "selftest-rtl.h".
(selftest::assert_rtl_dump_eq): Make non-static.
(ASSERT_RTL_DUMP_EQ): Move to selftest-rtl.h.
(selftest::test_dumping_regs): Update comment.
* selftest-run-tests.c: Include "target.h".
(selftest::run_tests): If non-NULL, call
targetm.run_target_selftests.
* target.def (run_target_selftests): New hook.
2016-11-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
gcc/
* config/arm/arm-arches.def (armv8-m.main+dsp): Set Cortex-M33 as
representative core for this architecture.
* config/arm/arm-cores.def (cortex-m33): Define new processor.
* config/arm/arm-tables.opt: Regenerate.
* config/arm/arm-tune.md: Likewise.
* config/arm/bpabi.h (BE8_LINK_SPEC): Add Cortex-M33 to the list of
valid -mcpu options.
* doc/invoke.texi (ARM Options): Document new Cortex-M33 processor.
2016-11-04 Thomas Preud'homme <thomas.preudhomme@arm.com>
gcc/
* config/arm/arm-arches.def (armv8-m.base): Set Cortex-M23 as
representative core for this architecture.
* config/arm/arm-cores.def (cortex-m23): Define new processor.
* config/arm/arm-tables.opt: Regenerate.
* config/arm/arm-tune.md: Likewise.
* config/arm/arm.c (arm_v6m_tune): Add Cortex-M23 to the list of cores
this tuning parameters apply to in the comment.
* config/arm/bpabi.h (BE8_LINK_SPEC): Add Cortex-M23 to the list of
valid -mcpu options.
* doc/invoke.texi (ARM Options): Document new Cortex-M23 processor.
Bin Cheng [Fri, 4 Nov 2016 15:51:38 +0000 (15:51 +0000)]
fold-const.c (fold_cond_expr_with_comparison): Remove call to pedantic_non_lvalue_loc.
* fold-const.c (fold_cond_expr_with_comparison): Remove call
to pedantic_non_lvalue_loc. Remove useless code for lvalue
where cond_expr can't be a lvalue.
* config/arc/arc.c (arc_process_double_reg_moves): Use
gen_dexcl_2op call.
* config/arc/arc.md (movsi_insn): Disable unsupported move
instructions for ARCv2 cores.
(movdi): Use prepare_move_operands.
(movsf, movdf): Use move_dest_operand predicate.
* config/arc/constraints.md (Chs): Enable when barrel shifter is
present.
* config/arc/fpu.md (divsf3): Change to divsf3_fpu.
* config/arc/fpx.md (dexcl_3op_peep2_insn): Dx data register is
also a destination.
(dexcl_3op_peep2_insn_nores): Likewise.
* config/arc/arc.h (SHIFT_COUNT_TRUNCATED): Define to one.
(LINK_COMMAND_SPEC): Remove.
re PR target/78192 (extract from vector registers to int results in wrong data order)
2016-11-03 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/78192
* config/rs6000/vsx.md (vsx_extract_<mode>_di): The element number
has already been adjusted for endianness, so don't adjust it any
further.
re PR bootstrap/77993 (bootstrap failure on PowerPC/Linux)
2016-11-03 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/77993
* config/rs6000/rs6000.h (FLOAT128_IBM_P): Do not allow IFmode or
ICmode unless we have standard PowerPC floating point.
* config/rs6000/rs6000.md (FP iterator): Likewise.
(FMOVE128 iterator): Likewise.
Jakub Jelinek [Thu, 3 Nov 2016 21:18:49 +0000 (22:18 +0100)]
re PR debug/28767 (GCC should output DW_TAG_ptr_to_member for member functions)
PR debug/28767
PR debug/56974
* langhooks.h (struct lang_hooks_for_types): Add type_dwarf_attribute
langhook.
* langhooks.c (lhd_type_dwarf_attribute): New function.
* langhooks-def.h (lhd_type_dwarf_attribute): Declare.
(LANG_HOOKS_TYPE_DWARF_ATTRIBUTE): Define.
(LANG_HOOKS_FOR_TYPES_INITIALIZER): Add
LANG_HOOKS_TYPE_DWARF_ATTRIBUTE.
(check_qualified_type, check_aligned_type): Call it.
* dwarf2out.c (modified_type_die): Don't use type_main_variant
for FUNCTION_TYPE or METHOD_TYPE, instead walk over variants with
check_base_type and check_lang_type.
(gen_ptr_to_mbr_type_die): If lookup_type_die is already non-NULL,
return early. For pointer-to-data-member add DW_AT_use_location
attribute.
(gen_subroutine_type_die): Add DW_AT_{,rvalue_}reference attribute
if needed.
(gen_type_die_with_usage): Don't use type_main_variant
for FUNCTION_TYPE or METHOD_TYPE, instead walk over variants with
check_base_type and check_lang_type. Formatting fixes. Call
get_debug_type langhook.
cp/
* tree.c (cp_check_qualified_type): Use check_base_type and
TYPE_QUALS comparison instead of check_qualified_type.
(cxx_type_hash_eq): Return false if type_memfn_rqual don't match.
* cp-objcp-common.c (cp_get_debug_type): New function.
(cp_decl_dwarf_attribute): Don't handle types here.
(cp_type_dwarf_attribute): New function.
* cp-objcp-common.h (cp_get_debug_type, cp_type_dwarf_attribute):
Declare.
(LANG_HOOKS_GET_DEBUG_TYPE, LANG_HOOKS_TYPE_DWARF_ATTRIBUTE):
Define.
testsuite/
* g++.dg/debug/dwarf2/ptrdmem-1.C: New test.
* g++.dg/debug/dwarf2/ref-3.C: New test.
* g++.dg/debug/dwarf2/ref-4.C: New test.
* g++.dg/debug/dwarf2/refqual-1.C: New test.
* g++.dg/debug/dwarf2/refqual-2.C: New test.
Jason Merrill [Thu, 3 Nov 2016 19:52:58 +0000 (15:52 -0400)]
Use type_hash_eq langhook in check_qualified_type.
gcc/
* tree.c (check_lang_type): New.
(check_qualified_type): Use it.
(check_aligned_type): Use it.
* tree.h: Declare it.
gcc/cp/
* tree.c (cp_check_qualified_type): Call check_base_type instead
of check_qualified_type.
(cxx_type_hash_eq): Check ref-qualifiers.
* typeck.c (apply_memfn_quals): No need to mess with TYPE_CANONICAL.
Fritz Reese [Thu, 3 Nov 2016 18:09:44 +0000 (18:09 +0000)]
Default missing exponents to 0 with -fdec.
gcc/fortran/
* gfortran.texi: Document.
* gfortran.h (gfc_dt): New field default_exp.
* primary.c (match_real_constant): Default exponent with -fdec.
* io.c (match_io): Set dt.default_exp with -fdec.
* ioparm.def (IOPARM_dt_default_exp): New.
* trans-io.c (build_dt): Set IOPARM_dt_default_exp with -fdec.
libgfortran/io/
* io.h (IOPARM_DT_DEFAULT_EXP): New flag bit.
* list_read.c (parse_real, read_real): Allow omission of exponent with
IOPARM_DT_DEFAULT_EXP.
* read.c (read_f): Ditto.
gcc/testsuite/gfortran.dg/
* dec_exp_1.f90, dec_exp_2.f90, dec_exp_3.f90: New testcases.
Jiong Wang [Thu, 3 Nov 2016 17:32:03 +0000 (17:32 +0000)]
[DWARF] Enable DW_CFA_VAL_EXPRESSION support
gcc/
* reg-notes.def (CFA_VAL_EXPRESSION): New entry.
* dwarf2cfi.c (dwarf2out_frame_debug_cfa_val_expression): New function.
(dwarf2out_frame_debug): Support REG_CFA_VAL_EXPRESSION.
(output_cfa_loc): Support DW_CFA_val_expression.
(output_cfa_loc_raw): Likewise.
(output_cfi): Likewise.
(output_cfi_directive): Likewise.
* dwarf2out.c (dw_cfi_oprnd1_desc): Support DW_CFA_val_expression.
(dw_cfi_oprnd2_desc): Likewise.
(mem_loc_descriptor): Recognize new pattern generated for value
expression.
The test defines int bitfields that are more than 16 bits wide, and this
fails for the avr with its 16 bit integer size. Therefore, require
effective target int32plus.
Max Filippov [Wed, 2 Nov 2016 18:34:43 +0000 (18:34 +0000)]
xtensa: fix ICE on pr59037.c test
xtensa gcc gets ICE on pr59037.c test because its xtensa_output_literal
function cannot handle integer literals of sizes other than 4 and 8,
whereas the test uses 16-byte int vector.
Split integer literal formatting into the recursive function
xtensa_output_integer_literal_parts capable of handling literals of any
power of 2 size not less than 4.
2016-11-02 Max Filippov <jcmvbkbc@gmail.com>
gcc/
* config/xtensa/xtensa.c (xtensa_output_integer_literal_parts):
New function.
(xtensa_output_literal): Use xtensa_output_integer_literal_parts
to format MODE_INT and MODE_PARTIAL_INT literals.
rs6000: Disable shrink-wrap-separate for abi=spe (PR78168)
With the SPE ABI, if we wrap GPRs we need to handle the upper half of the
extended 64-bit registers as well, which we cannot easily do. So, this
patch disables separate shrink-wrapping for the SPE ABI.
PR target/78168
* config/r6000/rs6000.c (rs6000_get_separate_components): Return
NULL if TARGET_SPE_ABI.
Richard Biener [Wed, 2 Nov 2016 15:00:48 +0000 (15:00 +0000)]
gimple-ssa-store-merging.c: Include gimplify-me.h.
2016-11-02 Richard Biener <rguenther@suse.de>
* gimple-ssa-store-merging.c: Include gimplify-me.h.
(imm_store_chain_info::output_merged_stores): Force base_addr
to be proper GIMPLE for a MEM_REF address.
(pass_store_merging::execute): Restrict negative bitpos
handling to non-MEM_REF bases. Remove TREE_THIS_VOLATILE
check. Take into account non-NULL_TREE offset if the base
is already addressable.
Wilco Dijkstra [Wed, 2 Nov 2016 13:56:07 +0000 (13:56 +0000)]
The add expander still contains some expansion code that was required for the previous prolog/epilog code...
The add expander still contains some expansion code that was required for the
previous prolog/epilog code, but which is no longer needed. I also noticed
that the current version splits off immediates from frame addressing
instructions, which doesn't seem a good idea. Avoiding this resulted in small
codesize improvements.
Richard Biener [Wed, 2 Nov 2016 13:05:07 +0000 (13:05 +0000)]
gimple-ssa-store-merging.c (struct store_immediate_info): Remove redundant val and dest members.
2016-11-02 Richard Biener <rguenther@suse.de>
* gimple-ssa-store-merging.c (struct store_immediate_info): Remove
redundant val and dest members.
(store_immediate_info::store_immediate_info): Adjust.
(merged_store_group::merged_store_group): Adjust.
(merged_store_group::apply_stores): Likewise.
(struct imm_store_chain_info): Add base_addr field.
(imm_store_chain_info::imm_store_chain_info): New constructor.
(imm_store_chain_info::terminate_and_process_chain): Do not pass base.
(imm_store_chain_info::output_merged_store): Likewise. Use
addr_base which is already the address.
(imm_store_chain_info::output_merged_stores): Likewise.
(pass_tree_store_merging::terminate_all_aliasing_chains): Take
imm_store_chain_info instead of base. Fix alias check.
(pass_tree_store_merging::terminate_and_release_chain): Likewise.
(imm_store_chain_info::coalesce_immediate_stores): Adjust.
(pass_store_merging::execute): Refuse to operate on TARGET_MEM_REF.
use the address of the base and adjust for other changes.
Martin Liska [Wed, 2 Nov 2016 09:56:04 +0000 (10:56 +0100)]
Fix host_size_t_cst_p predicat
* fold-const-call.c (host_size_t_cst_p): Test whether
t is convertible to size_t.
* gcc.dg/tree-ssa/builtins-folding-gimple-ub.c (main): Add
test case.
Kyrylo Tkachov [Wed, 2 Nov 2016 09:28:35 +0000 (09:28 +0000)]
PR tree-optimization/78170: Truncate sign-extended padding when encoding bitfields
PR tree-optimization/78170
* gimple-ssa-store-merging.c (encode_tree_to_bitpos): Truncate padding
introduced by native_encode_expr on little-endian as well.
Richard Biener [Wed, 2 Nov 2016 08:13:29 +0000 (08:13 +0000)]
re PR middle-end/78047 (Chromium apparently gets miscompiled)
2016-11-02 Richard Biener <rguenther@suse.de>
PR tree-optimization/78047
* tree-ssa-structalias.c (push_fields_onto_fieldstack): Initialize
fake field at offset zero conservatively regarding to may_have_pointers.
git://gcc.gnu.org / gcc.git / log