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
2017-12-29 Jerry DeLisle <jvdelisle@gcc.gnu.org>
Backport from trunk
PR libgfortran/83613
* io/unit.c (init_units): Don't forget to unlock the unit locks
after being inserted.
From-SVN: r256041
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
2017-12-16 Jerry DeLisle <jvdelisle@gcc.gnu.org>
Backport from trunk
PR libgfortran/81937
* io/list_read.c (next_char_internal): Don't attempt to read
from the internal unit stream if no bytes are left. Decrement
bytes_left in the right place.
From-SVN: r255752
2017-12-16 Jerry DeLisle <jvdelisle@gcc.gnu.org>
Backport from trunk
PR libgfortran/78549
* io/inquire.c (inquire_via_unit): Adjust test for existence for
pre-connected internal units.
* io/transfer.c (finalize_transfer): When done with a transfer
to internal units, free the format buffer and close the stream.
(st_read_done): Delete freeing the stream, now handled using
sclose in finalize_transfer. (st_write_done): Likewise.
* io/unit.c (get_unit): Return NULL for special reserved unit
numbers, signifying not accessible to the user.
(init_units): Insert the two special internal units into the
unit treap. This makes these unit structures available without
further allocations for later use by internal unit I/O. These
units are automatically deleted by normal program termination.
* io/unix.c (mem_close): Add a guard check to protect from double free.
From-SVN: r255751
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
Jakub Jelinek
Joseph Myers
GCC Administrator
Jerry DeLisle
Steven G. Kargl
François Dumont
Martin Jambor
Uros Bizjak
Thomas Koenig
Bin Cheng
H.J. Lu
Marek Polacek
Sebastian Huber
Daniel Cederman
John David Anglin