2012-01-13 Steven G. Kargl <kargl@gcc.gnu.org>
Backport from mainline
PR fortran/78814
* interface.c (symbol_rank): Check for NULL pointer.
2012-01-13 Steven G. Kargl <kargl@gcc.gnu.org>
Backport from mainline
PR fortran/78814
* gfortran.dg/interface_40.f90: New testcase.
From-SVN: r256646
PR rtl-optimization/83565
* rtlanal.c (nonzero_bits1): On WORD_REGISTER_OPERATIONS machines, do
not extend the result to a larger mode for rotate operations.
(num_sign_bit_copies1): Likewise.
From-SVN: r256573
2018-01-10 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/82367
* resolve.c (resolve_allocate_expr): Check for NULL pointer.
2018-01-10 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/82367
* gfortran.dg/deferred_character_18.f90: New test.
From-SVN: r256466
2018-01-10 Steven G. Kargl <kargl@gcc.gnu.org>
Backport from trunk
PR fortran/83093
* resolve.c (resolve_charlen): Check the type of cl->length
after resolution.
2018-01-10 Steven G. Kargl <kargl@gcc.gnu.org>
Backport from trunk
PR fortran/83093
* gfortran.dg/allocate_with_typespec_7.f90: New test.
From-SVN: r256459
2018-01-10 Steven G. Kargl <kargl@kgcc.gnu.org>
Backport r254555 from trunk
PR Fortran/82841
* gfortran.dg/transfer_simplify_11.f90: New test.
2018-01-10 Steven G. Kargl <kargl@kgcc.gnu.org>
Backport r254555 from trunk
PR Fortran/82841
* simplify.c(gfc_simplify_transfer): Do not dereference a NULL pointer.
Unwrap a short line.
From-SVN: r256445
2018-01-04 Steven G. Kargl <kargl@gcc.gnu.org>
PR Fortran/83679
* simplify.c (gfc_simplify_cshift): Restore early return for zero-sized
array. Update Copyright year while here.
From-SVN: r256263
PR c++/83556
* tree.c (replace_placeholders_r): Pass NULL as last argument to
cp_walk_tree instead of d->pset. If non-TREE_CONSTANT and
non-PLACEHOLDER_EXPR tree has been seen already, set *walk_subtrees
to false and return.
(replace_placeholders): Pass NULL instead of &pset as last argument
to cp_walk_tree.
* g++.dg/cpp0x/pr83556.C: New test.
From-SVN: r256087
PR middle-end/83608
* expr.c (store_expr_with_bounds): Use simplify_gen_subreg instead of
convert_modes if target mode has the right side, but different mode
class.
* g++.dg/opt/pr83608.C: New test.
From-SVN: r256063
PR middle-end/83609
* expr.c (expand_assignment): Fix up a typo in simplify_gen_subreg
last argument when extracting from CONCAT. If either from_real or
from_imag is NULL, use expansion through memory. If result is not
a CONCAT and simplify_gen_subreg fails, try to simplify_gen_subreg
the parts directly to inner mode, if even that fails, use expansion
through memory.
* gcc.dg/pr83609.c: New test.
* g++.dg/opt/pr83609.C: New test.
From-SVN: r256062
PR middle-end/83623
* expmed.c (expand_shift_1): For 2-byte rotates by BITS_PER_UNIT,
check for bswap in mode rather than HImode and use that in expand_unop
too.
* gcc.dg/pr83623.c: New test.
From-SVN: r256061
2017-12-28 Steven G. Kargl <kargl@gcc.gnu.org>
PR Fortran/83548
* match.c (gfc_match_type_spec): Check for LOGICAL conflict in
type-spec versus LOGICAL intrinsic subprogram.
2017-12-28 Steven G. Kargl <kargl@gcc.gnu.org>
PR Fortran/83548
* gfortran.dg/array_constructor_type_22.f03: New test.
From-SVN: r256025
PR c++/83553
* fold-const.c (struct contains_label_data): New type.
(contains_label_1): Return non-NULL even for CASE_LABEL_EXPR, unless
inside of a SWITCH_BODY seen during the walk.
(contains_label_p): Use walk_tree instead of
walk_tree_without_duplicates, prepare data for contains_label_1 and
provide own pset.
* c-c++-common/torture/pr83553.c: New test.
From-SVN: r255988
2017-12-22 Martin Jambor <mjambor@suse.cz>
PR lto/82027
* lto-cgraph.c (output_cgraph_opt_summary_p): Also check former
clones.
testsuite/
* g++.dg/lto/pr82027_0.C: New test.
From-SVN: r255983
PR debug/83550
* c-decl.c (finish_struct): Set DECL_SOURCE_LOCATION on
TYPE_STUB_DECL and call rest_of_type_compilation before processing
incomplete vars rather than after it.
* c-c++-common/dwarf2/pr83550.c: New test.
From-SVN: r255982
Backported from mainline
2017-12-21 Jakub Jelinek <jakub@redhat.com>
PR c/83448
* gimple-ssa-sprintf.c (maybe_warn): Don't call set_caret_index
if navail is >= dir.len.
* gcc.c-torture/compile/pr83448.c: New test.
* gcc.dg/tree-ssa/builtin-snprintf-warn-4.c: New test.
From-SVN: r255972
Backported from mainline
2017-12-21 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/80747
PR rtl-optimization/83512
* cfgrtl.c (force_nonfallthru_and_redirect): When splitting
succ edge from ENTRY, copy partition from e->dest to the newly
created bb.
* bb-reorder.c (reorder_basic_blocks_simple): If last_tail is
ENTRY, use BB_PARTITION of its successor block as current_partition.
Don't copy partition when splitting succ edge from ENTRY.
* gcc.dg/pr80747.c: New test.
* gcc.dg/pr83512.c: New test.
From-SVN: r255971
Backported from mainline
2017-12-21 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/83521
* tree-ssa-phiopt.c (factor_out_conditional_conversion): Use
gimple_build_assign without code on result of
fold_build1 (VIEW_CONVERT_EXPR, ...), as it might not create
a VIEW_CONVERT_EXPR.
* gcc.dg/pr83521.c: New test.
From-SVN: r255969
Backported from mainline
2017-12-19 Jakub Jelinek <jakub@redhat.com>
PR ipa/82801
PR ipa/83346
* ipa-inline.c (flatten_remove_node_hook): New function.
(ipa_inline): Keep only nodes with flatten attribute at the end of
the array in the order from ipa_reverse_postorder, only walk that
portion of array for flattening, if there is more than one such
node, temporarily register a removal hook and ignore removed nodes.
* g++.dg/ipa/pr82801.C: New test.
From-SVN: r255968
2017-12-21 Thomas Koenig <tkoenig@gcc.gnu.org>
Backport from trunk
PR fortran/83436
* gfortran.dg/internal_readwrite_4.f90: New test.
From-SVN: r255940
Backport from mainline
2017-11-15 Bin Cheng <bin.cheng@arm.com>
PR tree-optimization/82726
PR tree-optimization/70754
* tree-predcom.c (order_drefs_by_pos): New function.
(combine_chains): Move code setting has_max_use_after to...
(try_combine_chains): ...here. New parameter. Sort combined chains
according to position information.
(tree_predictive_commoning_loop): Update call to above function.
(update_pos_for_combined_chains, pcom_stmt_dominates_stmt_p): New.
2017-11-15 Bin Cheng <bin.cheng@arm.com>
PR tree-optimization/82726
Revert
2017-01-23 Bin Cheng <bin.cheng@arm.com>
PR tree-optimization/70754
* tree-predcom.c (stmt_combining_refs): New parameter INSERT_BEFORE.
(reassociate_to_the_same_stmt): New parameter INSERT_BEFORE. Insert
combined stmt before it if not NULL.
(combine_chains): Process refs reversely and compute dominance point
for root ref.
Revert
2017-02-23 Bin Cheng <bin.cheng@arm.com>
PR tree-optimization/79663
* tree-predcom.c (combine_chains): Process refs in reverse order
only for ZERO length chains, and add explaining comment.
gcc/testsuite
Backport from mainline
2017-11-15 Bin Cheng <bin.cheng@arm.com>
PR tree-optimization/82726
* gcc.dg/tree-ssa/pr82726.c: New test.
From-SVN: r255828
PR c++/83116
* constexpr.c (cxx_eval_call_expression): Only look into
constexpr_call_table if ctx->strict.
* g++.dg/cpp1y/constexpr-83116.C: New test.
From-SVN: r255813
In some cases the jump could be to a return instruction and in those cases the
next_active_insn() function tries to follow an invalid pointer which leads to a
crash. This error did not manifest when using a 32-bit version of GCC which is
why I did not detect it before.
gcc/
* config/sparc/sparc.c (sparc_do_work_around_errata): Make sure
the jump is to a label.
From-SVN: r255808
Backport from mainline
2017-12-03 John David Anglin <danglin@gcc.gnu.org>
* config/pa/pa.c (pa_legitimate_address_p): For scaled indexing,
require base operand is a REG_POINTER prior to reload on targets
with non-equivalent space registers.
From-SVN: r255762
Backported from mainline
2017-12-15 Jakub Jelinek <jakub@redhat.com>
PR c++/83205
* decl.c (cp_finish_decomp): Handle the case when tsize is not
error_mark_node, but doesn't fit into uhwi. Split up count != eltscnt
and !tree_fits_uhwi_p (tsize) error_at calls into error_n and inform_n
to handle plural forms properly.
* g++.dg/cpp1z/decomp3.C: Adjust for structured binding count
mismatch diagnostics split into error and warning with plural
forms.
* g++.dg/cpp1z/decomp10.C: Likewise.
* g++.dg/cpp1z/decomp32.C: New test.
From-SVN: r255736
PR c++/83217
* decl.c (cp_finish_decomp): If decl's type is REFERENCE_TYPE,
call complete_type (TREE_TYPE (type)).
* g++.dg/cpp1z/decomp33.C: New test.
From-SVN: r255730
PR tree-optimization/83269
* fold-const.c (fold_binary_loc): Perform (-A) - B -> (-B) - A
subtraction in arg0's type if type is signed and arg0 is unsigned.
Formatting fix.
* gcc.c-torture/execute/pr83269.c: New test.
From-SVN: r255729
Backported from mainline
2017-12-14 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/83198
* gimple-ssa-sprintf.c (format_floating): Set type solely based on
dir.modifier, regardless of TREE_TYPE (arg). Assume non-REAL_CST
value if arg is a REAL_CST with incompatible type.
* gcc.dg/pr83198.c: New test.
* gcc.dg/tree-ssa/pr83198.c: New test.
From-SVN: r255728
Backported from mainline
2017-12-12 Jakub Jelinek <jakub@redhat.com>
PR tree-optimization/80631
* tree-vect-loop.c (get_initial_def_for_reduction): Fix comment typo.
(vect_create_epilog_for_reduction): Add INDUC_VAL argument, for
INTEGER_INDUC_COND_REDUCTION use INDUC_VAL instead of
hardcoding zero as the value if COND_EXPR is never true. For
INTEGER_INDUC_COND_REDUCTION don't emit the final COND_EXPR if
INDUC_VAL is equal to INITIAL_DEF.
(vectorizable_reduction): Compute INDUC_VAL for
vect_create_epilog_for_reduction, if no value is suitable, don't
use INTEGER_INDUC_COND_REDUCTION for now. Formatting fixes.
* gcc.dg/vect/pr80631-1.c: New test.
* gcc.dg/vect/pr80631-2.c: New test.
PR tree-optimization/80631
* gcc.target/i386/avx2-pr80631.c: New test.
From-SVN: r255726
Backported from mainline
2017-12-06 Jakub Jelinek <jakub@redhat.com>
PR c++/80259
* decl2.c (grokfield): Diagnose = delete redefinition of a friend.
* g++.dg/cpp0x/pr80259.C: New test.
From-SVN: r255723
Backported from mainline
2017-12-02 Jakub Jelinek <jakub@redhat.com>
PR c++/81212
* tree-cfg.c (pass_warn_function_return::execute): Handle
__builtin_ubsan_handle_missing_return like __builtin_unreachable
with BUILTINS_LOCATION.
* g++.dg/ubsan/pr81212.C: New test.
From-SVN: r255722
Backported from mainline
2017-12-02 Jakub Jelinek <jakub@redhat.com>
PR target/78643
PR target/80583
* expr.c (get_inner_reference): If DECL_MODE of a non-bitfield
is BLKmode for vector field with vector raw mode, use TYPE_MODE
instead of DECL_MODE.
* gcc.target/i386/pr80583.c: New test.
From-SVN: r255721
Backported from mainline
2017-11-27 Jakub Jelinek <jakub@redhat.com>
PR c++/81888
* parser.c (cp_parser_decomposition_declaration): Reject just
BRACE_ENCLOSED_INITIALIZER_P initializers with nelts != 1 rather
than all such CONSTRUCTORs, and only if is_direct_init is true.
* g++.dg/cpp1z/decomp30.C: Add a test for structured binding with
= {} and = { a, a } initializers.
* g++.dg/cpp1z/decomp31.C: New test.
From-SVN: r255719
Backported from mainline
2017-11-27 Jakub Jelinek <jakub@redhat.com>
PR c++/81675
* cp-gimplify.c (cp_fold) <case COND_EXPR>: Don't return immediately
for VOID_TYPE_P COND_EXPRs, instead fold the operands and if op0 is
INTEGER_CST, ensure that both op1 and op2 are non-NULL and fall
through into normal folding, otherwise just rebuild x if any op
changed.
* g++.dg/warn/pr81675.C: New test.
From-SVN: r255718
Backported from mainline
2017-11-25 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/81553
* combine.c (simplify_if_then_else): In (if_then_else COND (OP Z C1) Z)
to (OP Z (mult COND (C1 * STORE_FLAG_VALUE))) optimization, if OP
is a shift where C1 has different mode than the whole shift, use C1's
mode for MULT rather than the shift's mode.
* gcc.c-torture/compile/pr81553.c: New test.
From-SVN: r255717
Backported from mainline
2017-11-24 Jakub Jelinek <jakub@redhat.com>
PR fortran/81304
* trans-openmp.c (gfc_trans_omp_array_reduction_or_udr): Set
attr.implicit_type in intrinsic_sym to avoid undesirable warning.
* testsuite/libgomp.fortran/pr81304.f90: New test.
From-SVN: r255716
Backported from mainline
2017-11-24 Jakub Jelinek <jakub@redhat.com>
PR sanitizer/83014
* ubsan.c (ubsan_type_descriptor): Use pp_unsigned_wide_integer
instead of pp_printf with HOST_WIDE_INT_PRINT_DEC. Avoid calling
tree_to_uhwi twice.
* gcc.dg/ubsan/pr83014.c: New test.
From-SVN: r255715
Backported from mainline
2017-11-24 Jakub Jelinek <jakub@redhat.com>
* tree-object-size.c (pass_through_call): Do not handle
BUILT_IN_STPNCPY_CHK which is not a pass through call.
* gcc.dg/builtin-object-size-18.c: New test.
From-SVN: r255714
Backported from mainline
2017-11-23 Jakub Jelinek <jakub@redhat.com>
* parser.c (cp_parser_omp_declare): Change return type to bool from
void, return true for declare simd.
(cp_parser_pragma): Return cp_parser_omp_declare returned value
rather than always false.
From-SVN: r255713
Backported from mainline
2017-11-23 Jakub Jelinek <jakub@redhat.com>
PR middle-end/82253
* expr.c (expand_assignment): For CONCAT to_rtx, complex type from and
bitpos/bitsize covering the whole destination, use store_expr only if
the complex mode is the same. Otherwise, use expand_normal and if
it returns CONCAT, subreg each part separately instead of trying to
subreg the whole result.
* gfortran.dg/pr82253.f90: New test.
From-SVN: r255711
Backported from mainline
2017-11-22 Jakub Jelinek <jakub@redhat.com>
PR debug/83084
* valtrack.c (propagate_for_debug_subst, propagate_for_debug): Reset
debug insns if they would contain UNSPEC_VOLATILE or volatile asm.
(dead_debug_insert_temp): Likewise, but also ignore even non-volatile
asm.
* g++.dg/opt/pr83084.C: New test.
From-SVN: r255710
Backported from mainline
2017-11-21 James Cowgill <James.Cowgill@imgtec.com>
Jakub Jelinek <jakub@redhat.com>
PR target/82880
* config/mips/frame-header-opt.c (mips_register_frame_header_opt):
Remove static keyword from f variable.
* gcc.dg/opts-8.c: New test.
From-SVN: r255709
Backported from mainline
2017-11-21 Jakub Jelinek <jakub@redhat.com>
PR c++/83059
* c-common.c (get_atomic_generic_size): Use TREE_INT_CST_LOW
instead of tree_to_uhwi, formatting fix.
* c-c++-common/pr83059.c: New test.
From-SVN: r255708
Backported from mainline
2017-11-20 Jakub Jelinek <jakub@redhat.com>
PR c++/82781
* constexpr.c (cxx_eval_vector_conditional_expression): New function.
(cxx_eval_constant_expression) <case VEC_COND_EXPR>: Use it instead
of cxx_eval_conditional_expression.
* g++.dg/ext/constexpr-pr82781.C: New test.
From-SVN: r255707
2017-12-15 Richard Biener <rguenther@suse.de>
PR bootstrap/83439
* tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
Adjust remaining gimple_set_modified to use the modified
variable instead.
From-SVN: r255704
2017-12-15 Richard Biener <rguenther@suse.de>
Backport from mainline
PR tree-optimization/82060
* tree-ssa-pre.c (eliminate_dom_walker::before_dom_children):
Move devirtualization after stmt folding and before EH/AB/noreturn
cleanup to get the stmt refs canonicalized. Use a bool instead
of gimple_modified_p since that doesn't work for NOPs. Schedule
NOPs generated by folding for removal.
* g++.dg/torture/pr82060.C: New testcase.
From-SVN: r255682
2017-12-15 Richard Biener <rguenther@suse.de>
Backport from mainline
2017-09-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/82102
* tree-ssa-pre.c (eliminate): Check if lhs is NULL.
* gcc.dg/torture/pr82102.c: New testcase.
2017-09-13 Richard Biener <rguenther@suse.de>
PR middle-end/82128
* gimple-fold.c (gimple_fold_call): Update SSA name in-place to
default-def to avoid breaking iterator update with the weird
interaction with cgraph_update_edges_for_call_stmt_node.
* g++.dg/pr82128.C: New testcase.
From-SVN: r255678
2017-12-15 Richard Biener <rguenther@suse.de>
Backport from mainline
2017-11-24 Richard Biener <rguenther@suse.de>
PR tree-optimization/82402
* tree-vect-loop-manip.c (create_lcssa_for_virtual_phi): Properly
set SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
* gcc.dg/torture/pr82402.c: New testcase.
2017-10-24 Richard Biener <rguenther@suse.de>
PR tree-optimization/82697
* tree-ssa-phiopt.c (cond_store_replacement): Use alias-set
zero for conditional load and unconditional store.
* gcc.dg/torture/pr82697.c: New testcase.
2017-11-02 Richard Biener <rguenther@suse.de>
PR middle-end/82765
* varasm.c (decode_addr_const): Make offset HOST_WIDE_INT.
Truncate ARRAY_REF index and element size.
* gcc.dg/pr82765.c: New testcase.
2017-11-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/82902
* tree-ssa-phiprop.c (propagate_with_phi): Test proper type.
* g++.dg/torture/pr82902.C: New testcase.
From-SVN: r255677
GCC Administrator
Steven G. Kargl
Oleg Endo
Eric Botcazou
Rainer Orth
Joseph Myers
Richard Biener
Jim Wilson
Kyrylo Tkachov
Sebastian Huber
Uros Bizjak
Andrew Waterman
Jakub Jelinek
Thomas Koenig
Martin Jambor
Uros Bizjak
Bin Cheng
H.J. Lu
Marek Polacek
Daniel Cederman
John David Anglin
Jakub Jelinek
Sudakshina Das