Richard Biener [Thu, 20 Nov 2014 08:40:52 +0000 (08:40 +0000)]
re PR tree-optimization/63677 (Failure to constant fold with vectorization.)
2014-11-20 Richard Biener <rguenther@suse.de>
PR tree-optimization/63677
* tree-ssa-dom.c: Include gimplify.h for unshare_expr.
(avail_exprs_stack): Make a vector of pairs.
(struct hash_expr_elt): Replace stmt member with vop member.
(expr_elt_hasher::equal): Simplify.
(initialize_hash_element): Adjust.
(initialize_hash_element_from_expr): Likewise.
(dom_opt_dom_walker::thread_across_edge): Likewise.
(record_cond): Likewise.
(dom_opt_dom_walker::before_dom_children): Likewise.
(print_expr_hash_elt): Likewise.
(remove_local_expressions_from_table): Restore previous state
if requested.
(record_equivalences_from_stmt): Record &x + CST as constant
&MEM[&x, CST] for further propagation.
(vuse_eq): New function.
(lookup_avail_expr): For loads use the alias oracle to see
whether a candidate from the expr hash is usable.
(avail_expr_hash): Do not hash VUSEs.
* gcc.dg/tree-ssa/ssa-dom-cse-2.c: New testcase.
* gcc.dg/tree-ssa/ssa-dom-cse-3.c: Likewise.
Jan Hubicka [Thu, 20 Nov 2014 06:15:03 +0000 (07:15 +0100)]
tree.c (free_lang_data_in_type): If BINFO has no important information in it, set it to NULL.
* tree.c (free_lang_data_in_type): If BINFO has no important
information in it, set it to NULL.
(get_binfo_at_offset): Do not walk fields, only bases.
* ipa-utils.h (polymorphic_type_binfo_p): Be ready for BINFO_TYPE
to be NULL.
* ipa-polymorphic-call.c (record_known_type): Likewise.
Jason Merrill [Wed, 19 Nov 2014 22:06:26 +0000 (17:06 -0500)]
re PR c++/63885 (ICE in static assert of constexpr forwarding xvalue container member rvalue reference)
PR c++/63885
* constexpr.c (cxx_eval_constant_expression) [PARM_DECL]: Don't
complain yet about a reference.
[TARGET_EXPR]: Handle TARGET_EXPR with addr == true.
[ADDR_EXPR]: Make sure we don't take the address of a CONSTRUCTOR.
(cxx_bind_parameters_in_call): In the new scheme addr is always false.
* typeck.c (build_address): Don't take the address of a CONSTRUCTOR.
Jason Merrill [Wed, 19 Nov 2014 22:06:17 +0000 (17:06 -0500)]
re PR c++/57979 (G++ accepts constant expression defined using floating point non-constexpr glvalue)
PR c++/57979
* init.c (decl_really_constant_value): Rename from
integral_constant_value.
(scalar_constant_value): Similar but limited to scalar results.
(decl_constant_value_safe): Remove.
(constant_value_1): Respect return_aggregate_cst_ok_p.
* typeck.c (decay_conversion): Use scalar_constant_value.
* call.c (convert_like_real): Likewise.
* cvt.c (ocp_convert): No need to check CLASS_TYPE_P.
* typeck.c (decay_conversion): Or ARRAY_TYPE.
* constexpr.c (struct constexpr_ctx): Add strict field.
(cxx_eval_constant_expression) [VAR_DECL]: Use it to select between
decl_constant_value and decl_really_constant_value.
(cxx_eval_outermost_constant_expr): Add strict parm.
(maybe_constant_init): Not strict.
(potential_constant_expression_1): Add strict parm.
Shorten most internal calls with RECUR macro.
* cp-tree.h, pt.c, semantics.c: Adjust.
David Malcolm [Wed, 19 Nov 2014 20:31:52 +0000 (20:31 +0000)]
PR jit/63854: Fix leaking vec in jit
gcc/jit/ChangeLog:
PR jit/63854
* jit-playback.c (gcc::jit::playback::compound_type::set_fields):
Convert param from const vec<playback::field *> & to
const auto_vec<playback::field *> *.
(gcc::jit::playback::context::new_function_type): Convert param
"param_types" from vec<type *> * to const auto_vec<type *> *.
(gcc::jit::playback::context::new_function): Convert param
"params" from vec<param *> * to const auto_vec<param *> *.
(gcc::jit::playback::context::build_call): Convert param "args"
from vec<rvalue *> to const auto_vec<rvalue *> *.
(gcc::jit::playback::context::new_call): Likewise.
(gcc::jit::playback::context::new_call_through_ptr): Likewise.
(wrapper_finalizer): New function.
(gcc::jit::playback::wrapper::operator new): Call the finalizer
variant of ggc_internal_cleared_alloc, supplying
wrapper_finalizer.
(gcc::jit::playback::function::finalizer): New.
(gcc::jit::playback::block::finalizer): New.
(gcc::jit::playback::source_file::finalizer): New.
(gcc::jit::playback::source_line::finalizer): New.
* jit-playback.h
(gcc::jit::playback::context::new_function_type): Convert param
"param_types" from vec<type *> * to const auto_vec<type *> *.
(gcc::jit::playback::context::new_function): Convert param
"params" from vec<param *> * to const auto_vec<param *> *.
(gcc::jit::playback::context::new_call): Convert param
"args" from vec<rvalue *> to const auto_vec<rvalue *> *.
(gcc::jit::playback::context::new_call_through_ptr): Likewise.
(gcc::jit::playback::context::build_call): Likewise.
(gcc::jit::playback::context): Convert fields "m_functions",
"m_source_files", "m_cached_locations" from vec to auto_vec.
(gcc::jit::playback::wrapper::finalizer): New virtual function.
(gcc::jit::playback::compound_type::set_fields): Convert param fro
const vec<playback::field *> & to
const auto_vec<playback::field *> *.
(gcc::jit::playback::function::finalizer): New.
(gcc::jit::playback::block::finalizer): New.
(gcc::jit::playback::source_file::finalizer): New.
(gcc::jit::playback::source_line::finalizer): New.
* jit-recording.c
(gcc::jit::recording::function_type::replay_into): Convert local
from a vec into an auto_vec.
(gcc::jit::recording::fields::replay_into): Likewise.
(gcc::jit::recording::function::replay_into): Likewise.
(gcc::jit::recording::call::replay_into): Likewise.
(gcc::jit::recording::call_through_ptr::replay_into): Likewise.
* jit-recording.h (gcc::jit::recording::context): Convert fields
"m_mementos", "m_compound_types", "m_functions" from vec<> to
auto_vec <>.
(gcc::jit::recording::function_type::get_param_types): Convert
return type from vec<type *> to const vec<type *> &.
(gcc::jit::recording::function_type): Convert field
"m_param_types" from a vec<> to an auto_vec<>.
(gcc::jit::recording::fields): Likewise for field "m_fields".
(gcc::jit::recording::function::get_params): Convert return type
from vec <param *> to const vec<param *> &.
(gcc::jit::recording::function): Convert fields "m_params",
"m_locals", "m_blocks" from vec<> to auto_vec<>.
(gcc::jit::recording::block): Likewise for field "m_statements".
vec<> to auto_vec<>.
(gcc::jit::recording::call): Likewise for field "m_args".
(gcc::jit::recording::call_through_ptr): Likewise.
David Malcolm [Wed, 19 Nov 2014 19:28:33 +0000 (19:28 +0000)]
PR jit/63854: Fix memory leak within bb-reorder.c
gcc/ChangeLog:
PR jit/63854
* bb-reorder.c
(find_rarely_executed_basic_blocks_and_crossing_edges): Convert
local bbs_in_hot_partition from vec<> to auto_vec<>.
David Malcolm [Wed, 19 Nov 2014 19:11:37 +0000 (19:11 +0000)]
PR jit/63854: Fix memory leak of reginfo.c: valid_mode_changes_obstack
gcc/ChangeLog:
PR jit/63854
* reginfo.c (finish_subregs_of_mode): Replace obstack_finish with
obstack_free when cleaning up valid_mode_changes_obstack.
* doc/gimple.texi (Class hierarchy of GIMPLE statements): Update
for renaming of gimple subclasses.
* gdbhooks.py: Update.
* gimple-iterator.c (gsi_for_phi): New.
(gsi_start_phis): Strengthen return type from gimple_stmt_iterator
to gphi_iterator.
* gimple-iterator.h (struct gphi_iterator): New subclass of
gimple_stmt_iterator.
(gsi_for_phi): New prototype.
(gsi_start_phis): Strengthen return type from gimple_stmt_iterator
to gphi_iterator.
(gsi_next_nonvirtual_phi): Strengthen param from
gimple_stmt_iterator * to gphi_iterator *, and local "phi" from
gimple to gphi *.
* gsstruct.def: Update for renamings of classes.
* gimple.c (gimple_build_return): Strengthen return type from
gimple to greturn *.
(gimple_call_reset_alias_info): Strengthen param to gcall *.
(gimple_build_call_1): Strengthen return type from gimple to
gcall *.
(gimple_build_call_vec): Likewise.
(gimple_build_call): Likewise.
(gimple_build_call_valist): Likewise.
(gimple_build_call_internal_1): Likewise.
(gimple_build_call_internal): Likewise.
(gimple_build_call_internal_vec): Likewise.
(gimple_build_call_from_tree): Likewise.
(gimple_build_assign_stat): Strengthen return type from gimple to
gassign *.
(gimple_build_assign_with_ops): Likewise.
(gimple_build_assign_with_ops): Likewise.
(gimple_build_cond): Strengthen return type from gimple to
gcond *.
(gimple_build_cond_from_tree): Likewise.
(gimple_cond_set_condition_from_tree): Require a gcond *.
(gimple_build_label): Strengthen return type from gimple to
glabel *.
(gimple_build_goto): Strengthen return type from gimple to
ggoto *.
(gimple_build_bind): Strengthen return type from gimple to
gbind *.
(gimple_build_asm_1): Strengthen return type from gimple to
gasm *.
(gimple_build_asm_vec): Likewise.
(gimple_build_catch): Strengthen return type from gimple to
gcatch *.
(gimple_build_eh_filter): Strengthen return type from gimple to
geh_filter *.
(gimple_build_eh_must_not_throw): Strengthen return type from
gimple to geh_mnt *.
(gimple_build_eh_else): Strengthen return type from gimple to
geh_else *.
(gimple_build_try): Update for renaming of gimple_statement_try to
gtry.
(gimple_build_resx): Strengthen return type from gimple to
gresx *.
(gimple_build_switch_nlabels): Strengthen return type from gimple
to gswitch *.
(gimple_build_switch): Likewise.
(gimple_build_eh_dispatch): Strengthen return type from gimple to
geh_dispatch *.
(gimple_build_debug_bind_stat): Strengthen return type from gimple
to gdebug *.
(gimple_build_debug_source_bind_stat): Strengthen return type from
gimple to gdebug *.
(gimple_build_omp_critical): Strengthen return type from gimple to
gomp_critical *.
(gimple_build_omp_for): Strengthen return type from gimple to
gomp_for *.
(gimple_build_omp_parallel): Strengthen return type from gimple to
gomp_parallel *.
(gimple_build_omp_task): Strengthen return type from gimple to
gomp_task *.
(gimple_build_omp_continue): Strengthen return type from gimple to
gomp_continue *.
(gimple_build_omp_sections): Strengthen return type from gimple to
gomp_sections *.
(gimple_build_omp_single): Strengthen return type from gimple to
gomp_single *.
(gimple_build_omp_target): Strengthen return type from gimple to
gomp_target *.
(gimple_build_omp_teams): Strengthen return type from gimple to
gomp_teams *.
(gimple_build_omp_atomic_load): Strengthen return type from gimple
to gomp_atomic_load *.
(gimple_build_omp_atomic_store): Strengthen return type from gimple
to gomp_atomic_store *.
(gimple_build_transaction): Strengthen return type from gimple
to gtransaction *.
(empty_stmt_p): Replace check for GIMPLE_BIND with a dyn_cast.
(gimple_call_fnspec): Require a const gcall *.
(gimple_call_arg_flags): Likewise.
(gimple_call_return_flags): Likewise.
(gimple_set_bb): Add a checked cast.
(gimple_copy): Within the cases, add locals of the appropriate
subclass and use in place of "stmt" and "copy" for typesafety.
(gimple_has_side_effects): Add a checked cast.
(gimple_could_trap_p_1): Likewise.
(gimple_call_copy_skip_args): Require a gcall *, and return one.
(gimple_asm_clobbers_memory_p): Require a const gasm *.
(infer_nonnull_range): Replace a check for GIMPLE_RETURN with a
dyn_cast, introducing local "return_stmt" and using ti in place
of "stmt".
gcc/c-family/ChangeLog:
Merger of git branch "gimple-classes-v2-option-3".
* ChangeLog.gimple-classes: New.
* c-gimplify.c (add_block_to_enclosing): Strengthen local "stack"
from being just a vec<gimple> to a vec<gbind *>.
gcc/java/ChangeLog:
Merger of git branch "gimple-classes-v2-option-3".
* ChangeLog.gimple-classes: New.
* java-gimplify.c (java_gimplify_block): Strengthen local "outer"
from gimple to gbind *.
bootstrap-ubsan on gcc112 shows a couple of signed integer overflows:
config/rs6000/constraints.md:143:33: runtime error: signed integer overflow: 9223372036854775807 + 32768 cannot be represented in type 'long int'
config/rs6000/predicates.md:396:22: runtime error: signed integer overflow: 9223372036854775807 + 2147516416 cannot be represented in type 'long int'
config/rs6000/predicates.md:856:11: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:862:12: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:865:11: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:868:12: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:914:11: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:917:12: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:940:11: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:946:12: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:949:11: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
config/rs6000/predicates.md:955:12: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int'; cast to an unsigned type to negate this value to itself
2014-11-19 Markus Trippelsdorf <markus@trippelsdorf.de>
* config/rs6000/constraints.md: Avoid signed integer overflows.
* config/rs6000/predicates.md: Likewise.
Felix Yang [Wed, 19 Nov 2014 13:46:16 +0000 (13:46 +0000)]
re PR target/59593 ([arm big-endian] using "ldrh" access a immediate which stored in a memory by word)
PR target/59593
* config/arm/arm.md (define_attr "arch"): Add v6t2.
(define_attr "arch_enabled"): Add test for the above.
(*movhi_insn_arch4): Add new alternative.
Allow the front-end to create calls with a static chain
And, at the same time, allow indirect calls to have a static chain.
We'll always eliminate the static chain if we can prove it's unused.
* calls.c (prepare_call_address): Allow decl or type for first arg.
(expand_call): Pass type to prepare_call_address if no decl.
* gimple-fold.c (gimple_fold_call): Eliminate the static chain if
the function doesn't use it; fold it otherwise.
* gimplify.c (gimplify_call_expr): Gimplify the static chain.
* tree-cfg.c (verify_gimple_call): Allow a static chain on indirect
function calls.
As opposed to always being a decl. This is a prerequisite
to allowing the static chain to be loaded for indirect calls.
* targhooks.c (default_static_chain): Remove check for
DECL_STATIC_CHAIN.
* config/moxie/moxie.c (moxie_static_chain): Likewise.
* config/i386/i386.c (ix86_static_chain): Allow decl or type
as the first argument.
* config/xtensa/xtensa.c (xtensa_static_chain): Change the name
of the unused first parameter.
* doc/tm.texi (TARGET_STATIC_CHAIN): Document the first parameter
may be a type.
* target.def (static_chain): Likewise.
Marek Polacek [Wed, 19 Nov 2014 12:03:04 +0000 (12:03 +0000)]
re PR middle-end/63879 (ICE compiling Linux Kernel fs/ext3/namei.c with -fsanitize=undefined)
PR sanitizer/63879
* fold-const.c (negate_expr_p) <case NEGATE_EXPR>: Return
!TYPE_OVERFLOW_SANITIZED.
(fold_negate_expr) <case INTEGER_CST>: Fold when overflow
does not trap and when overflow wraps, or when SANITIZE_SI_OVERFLOW
is 0.
* c-c++-common/ubsan/pr63879-1.c: New test.
* c-c++-common/ubsan/pr63879-2.c: New test.
Tom de Vries [Wed, 19 Nov 2014 10:44:58 +0000 (10:44 +0000)]
Fix tail-merge pass for dead type-unsafe code
2014-11-19 Tom de Vries <tom@codesourcery.com>
PR tree-optimization/62167
* tree-ssa-tail-merge.c (stmt_local_def): Handle statements with vuse
conservatively.
(gimple_equal_p): Don't use vn_valueize to compare for lhs equality of
assigns.
* gcc.dg/pr51879-12.c: Add xfails.
* gcc.dg/pr62167-run.c: New test.
* gcc.dg/pr62167.c: New test.
Jakub Jelinek [Wed, 19 Nov 2014 09:49:18 +0000 (10:49 +0100)]
re PR sanitizer/63520 (ICE: in get_biv_step, at loop-iv.c:824 with -fsanitize=undefined on ppc64)
PR sanitizer/63520
* internal-fn.c (expand_ubsan_result_store): New function.
(expand_addsub_overflow, expand_neg_overflow, expand_mul_overflow):
Use it instead of just emit_move_insn.
Jakub Jelinek [Wed, 19 Nov 2014 08:18:53 +0000 (09:18 +0100)]
re PR rtl-optimization/63843 (wrong code generation at -O1 and higher)
PR rtl-optimization/63843
* simplify-rtx.c (simplify_binary_operation_1) <case ASHIFTRT>: For
optimization of ashiftrt of subreg of lshiftrt, check that code
is ASHIFTRT.
Jakub Jelinek [Tue, 18 Nov 2014 22:15:42 +0000 (23:15 +0100)]
re PR sanitizer/63813 ([UBSAN] ICE in ubsan_type_descriptor, at ubsan.c:346)
PR sanitizer/63813
* c-ubsan.c (ubsan_maybe_instrument_reference_or_call): Change type
argument to ptype, set type to TREE_TYPE (ptype). Don't call
get_pointer_alignment for non-pointers. Use ptype, or if it is
reference type, corresponding pointer type, as type of kind
argument.
(ubsan_maybe_instrument_reference,
ubsan_maybe_instrument_member_call): Adjust callers.
Martin Liska [Tue, 18 Nov 2014 16:09:11 +0000 (17:09 +0100)]
New template fibonacci_heap class introduced.
* fibonacci_heap.h: New file.
(fibonacci_heap::insert): Created from fibheap_insert.
(fibonacci_heap::empty): Created from fibheap_empty.
(fibonacci_heap::nodes): Created from fibheap_nodes.
(fibonacci_heap::min_key): Created from fibheap_min_key.
(fibonacci_heap::decrease_key): Created from fibheap_replace_key.
(fibonacci_heap::replace_key_data): Created from fibheap_replace_key_data.
(fibonacci_heap::extract_min): Created from fibheap_extract_min.
(fibonacci_heap::min): Created from fibheap_min.
(fibonacci_heap::replace_data): Created from fibheap_replace_data.
(fibonacci_heap::delete_node): Created from fibheap_delete_node.
(fibonacci_heap::union_with): Created from fibheap_union.
* ipa-inline.c (update_edge_key): New heap API is used.
(update_caller_keys): Likewise.
(update_callee_keys): Likewise.
(lookup_recursive_calls): Likewise.
(recursive_inlining): Likewise.
(add_new_edges_to_heap): Likewise.
(heap_edge_removal_hook): Likewise.
(inline_small_functions): Likewise.
Marek Polacek [Tue, 18 Nov 2014 14:55:44 +0000 (14:55 +0000)]
re PR sanitizer/63866 (ICE in C++ printer with -fdump-ipa)
PR sanitizer/63866
* asan.c (asan_global_struct): Create a TYPE_DECL for "__asan_global",
put it into TYPE_NAME and TYPE_STUB_DECL.
* ubsan.c (ubsan_type_descriptor_type): New variable.
Function renamed to ...
(ubsan_get_type_descriptor_type): ... this. Cache
return value in ubsan_type_descriptor_type variable.
Create a TYPE_DECL for "__ubsan_type_descriptor", put it into
TYPE_NAME and TYPE_STUB_DECL.
(ubsan_get_source_location_type): Create a TYPE_DECL for
"__ubsan_source_location", put it into TYPE_NAME and TYPE_STUB_DECL.
(ubsan_type_descriptor, ubsan_create_data): Call
ubsan_get_type_descriptor_type instead of ubsan_type_descriptor_type.
Create a TYPE_DECL for name, put it into TYPE_NAME and TYPE_STUB_DECL.
Richard Biener [Tue, 18 Nov 2014 13:03:46 +0000 (13:03 +0000)]
re PR tree-optimization/63914 (ICE in set_lattice_value, at tree-ssa-ccp.c:517)
2014-11-18 Richard Biener <rguenther@suse.de>
PR tree-optimization/63914
* tree-ssa-ccp.c (canonicalize_value): Remove float value
canonicalization.
(valid_lattice_transition): Allow (partial) transition
from NaN to non-NaN if !HONOR_NANS.
(set_lattice_value): Check for valid lattice transitions
only when checking is enabled.
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