Jakub Jelinek [Tue, 26 Jan 2016 19:52:53 +0000 (20:52 +0100)]
re PR c++/68357 (FAIL: g++.dg/other/darwin-cfstring1.C -std=* (internal compiler error) on x86_64-apple-darwin1(0|4|5))
PR c++/68357
* cp-gimplify.c (cp_fold): If some operand folds to error_mark_node,
return error_mark_node instead of building trees with error_mark_node
operands.
gcc/ChangeLog:
2016-01-26 Martin Sebor <msebor@redhat.com>
PR other/69477
* doc/extend.texi (Common Type Attributes): Move text that talks about
attribute packed from attribute aligned to the section discussing
the former attribute for clarity.
David Malcolm [Tue, 26 Jan 2016 17:08:12 +0000 (17:08 +0000)]
PR other/69006: fix extra newlines after diagnostics
gcc/c-family/ChangeLog:
PR other/69006
* c-opts.c (c_diagnostic_finalizer): Replace invocation of
pp_newline_and_flush with pp_flush.
gcc/cp/ChangeLog:
PR other/69006
* error.c (print_instantiation_partial_context_line): Add missing
newlines from output for the t == NULL case.
(print_instantiation_partial_context): Remove call to pp_newline.
gcc/ChangeLog:
PR other/69006
* diagnostic-show-locus.c (layout::print_source_line): Replace
call to pp_newline with call to layout::print_newline.
(layout::print_annotation_line): Likewise.
(layout::move_to_column): Likewise.
(layout::print_any_fixits): After printing any fixits, print a
trailing newline, if necessary.
(layout::print_newline): New method, resetting any colorization
before a newline.
(diagnostic_show_locus): Move the pp_newline to before the
early bailout. Remove dummy block enclosing the layout instance.
* diagnostic.c (default_diagnostic_finalizer): Replace invocation
of pp_newline_and_flush with pp_flush.
(diagnostic_append_note): Delete use of pp_newline.
(diagnostic_append_note_at_rich_loc): Delete.
* diagnostic.h (diagnostic_append_note_at_rich_loc): Delete.
* pretty-print.h (output_buffer_append_r): Reset buff->line_length
when newline characters are added to the buffer.
gcc/fortran/ChangeLog:
PR other/69006
* error.c (gfc_diagnostic_starter): Delete use of pp_newline.
gcc/testsuite/ChangeLog:
PR other/69006
* g++.dg/ext/timevar1.C: Add dg-allow-blank-lines-in-output
directive.
* gcc.dg/plugin/diagnostic-test-show-locus-color.c: Update
expected multiline output to reflect the colorization being
disabled before newlines.
* gcc.dg/plugin/diagnostic_plugin_test_show_locus.c
(custom_diagnostic_finalizer): Replace call to
pp_newline_and_flush with call to pp_flush.
* gcc.dg/unroll-2.c: Add dg-allow-blank-lines-in-output directive.
* gfortran.dg/implicit_class_1.f90: Likewise.
* lib/gcc-dg.exp (allow_blank_lines): New global.
(dg-allow-blank-lines-in-output): New procedure.
(gcc-dg-prune): Complain about blank lines in the output, unless
dg-allow-blank-lines-in-output was called.
* lib/multiline.exp (_build_multiline_regex): Only support
arbitrary followup text for non-blank-lines, not for blank lines.
Nick Clifton [Tue, 26 Jan 2016 14:02:11 +0000 (14:02 +0000)]
re PR target/66655 (miscompilation due to ipa-ra on MinGW)
PR target/66655
* config/i386/winnt.c (i386_pe_binds_local_p): If a function has
been marked as DECL_ONE_ONLY but we do not the means to make it
so, then do not allow it to bind locally.
Jakub Jelinek [Tue, 26 Jan 2016 13:01:44 +0000 (14:01 +0100)]
re PR lto/69254 (ICE in streamer_get_builtin_tree when using -fsanitize=shift on the compile side only)
PR lto/69254
* opts.h (parse_sanitizer_options): New prototype.
* opts.c (sanitizer_opts): New array.
(parse_sanitizer_options): New function.
(common_handle_option): Use parse_sanitizer_options.
H.J. Lu [Tue, 26 Jan 2016 12:51:07 +0000 (12:51 +0000)]
Update stack alignment in ix86_update_stack_boundary
Stack alignment adjustment for __tls_get_addr should be done in
ix86_update_stack_boundary, not ix86_compute_frame_layout. Also
there is no need to over-align stack for __tls_get_addr and function
with __tls_get_addr call isn't a leaf function.
gcc/
PR target/68986
* config/i386/i386.c (ix86_compute_frame_layout): Move stack
alignment adjustment to ...
(ix86_update_stack_boundary): Here. Don't over-align stack for
__tls_get_addr.
(ix86_finalize_stack_realign_flags): Use stack_alignment_needed
if __tls_get_addr is called.
Richard Biener [Tue, 26 Jan 2016 11:51:01 +0000 (11:51 +0000)]
re PR tree-optimization/69452 (gcc ICE at -O3 on x86_64-linux-gnu in with verify_ssa failed)
2016-01-26 Richard Biener <rguenther@suse.de>
PR tree-optimization/69452
* tree-ssa-loop-im.c (move_computations_dom_walker): Remove.
(move_computations_dom_walker::before_dom_children): Rename
to ...
(move_computations_worker): This.
(move_computations): Perform an RPO rather than a DOM walk.
Jakub Jelinek [Tue, 26 Jan 2016 11:12:03 +0000 (12:12 +0100)]
re PR target/69442 (wrong code with -Og and 64bit modulo @ armv7a)
PR target/69442
* combine.c (combine_instructions): For REG_EQUAL note with
SET_DEST being ZERO_EXTRACT, also temporarily set SET_DEST
to the underlying register.
* doc/rtl.texi (REG_EQUAL): Document the behavior of
REG_EQUAL/REG_EQUIV notes if SET_DEST is ZERO_EXTRACT.
As described in the PR, wi::divmod_internal was sign- rather than
zero-extending a modulus result in cases where the result has fewer
HWIs than the precision and the upper bit of the upper HWI was set.
This patch tries to make things more robust by getting wi_pack
to handle the canonicalisation step itself.
Tested on x86_64-linux-gnu. I added tests to the wide-int
plugin since that seemed more direct.
gcc/
PR tree-optimization/69400
* wide-int.cc (wi_pack): Take the precision as argument and
perform canonicalization here rather than in the callers.
Use the main loop to handle all full-width HWIs. Add a
zero HWI if in_len isn't a full result.
(wi::divmod_internal): Update accordingly.
(wi::mul_internal): Likewise. Simplify.
gcc/testsuite/
PR tree-optimization/69400
* gcc.dg/plugin/wide-int_plugin.c (test_wide_int_mod_trunc): New
function.
(plugin_init): Call it.
* gcc.dg/torture/pr69400.c: New test.
Jakub Jelinek [Mon, 25 Jan 2016 21:34:06 +0000 (22:34 +0100)]
omp-low.c (lower_omp_target): Set DECL_VALUE_EXPR of new_var even for the non-array case.
* omp-low.c (lower_omp_target) <case USE_DEVICE_PTR>: Set
DECL_VALUE_EXPR of new_var even for the non-array case. Look
through DECL_VALUE_EXPR for expansion.
Jeff Law [Mon, 25 Jan 2016 19:19:09 +0000 (12:19 -0700)]
re PR tree-optimization/69196 (code size regression with jump threading at -O2)
PR tree-optimization/69196
PR tree-optimization/68398
* tree-ssa-threadupdate.h (enum bb_dom_status): Moved here from
tree-ssa-threadupdate.c.
(determine_bb_domination_status): Prototype
* tree-ssa-threadupdate.c (enum bb_dom_status): Remove
(determine_bb_domination_status): No longer static.
(valid_jump_thread_path): Remove code to detect characteristics
of the jump thread path not associated with correctness.
* tree-ssa-threadbackward.c (fsm_find_control_statment_thread_paths):
Correct test for thread path length. Count PHIs for real operands as
statements that need to be copied. Do not count ASSERT_EXPRs.
Look at all the blocks in the thread path. Compute and selectively
filter thread paths based on threading through the latch, threading
a multiway branch or crossing a multiway branch.
Jerry DeLisle [Sun, 24 Jan 2016 22:18:20 +0000 (22:18 +0000)]
[multiple changes]
2016-01-23 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/69397
PR fortran/68442
* interface.c (gfc_arglist_matches_symbol): Replace assert with
a return false if not a procedure.
* resolve.c (resolve_generic_f): Test if we are resolving an
initialization expression and adjust error message accordingly.
2016-01-24 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/69397
PR fortran/68442
* gfortran.dg/interface_38.f90: New test.
* gfortran.dg/interface_39.f90: New test.
Patrick Palka [Sun, 24 Jan 2016 17:45:21 +0000 (17:45 +0000)]
Revert "Fix the remaining PR c++/24666 blockers"
gcc/cp/ChangeLog:
Revert:
2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
PR c++/11858
PR c++/24663
PR c++/24664
* decl.c (grokdeclarator): Don't decay array parameter type to
a pointer type if it's dependent.
(grokparms): Invoke strip_top_quals instead of directly invoking
cp_build_qualified_type.
* pt.c (decay_dependent_array_parm_type): New static function.
(type_unification_real): Call decay_dependent_array_parm_type
to decay a dependent array parameter type to its corresponding
pointer type before unification.
(more_specialized_fn): Likewise.
(get_bindings): Likewise.
* tree.c (cp_build_qualified_type): Trivial typofix in
documentation.
gcc/testsuite/ChangeLog:
Revert:
2016-01-18 Patrick Palka <ppalka@gcc.gnu.org>
PR c++/11858
PR c++/24663
PR c++/24664
* g++.dg/template/pr11858.C: New test.
* g++.dg/template/pr24663.C: New test.
* g++.dg/template/unify12.C: New test.
* g++.dg/template/unify13.C: New test.
* g++.dg/template/unify14.C: New test.
* g++.dg/template/unify15.C: New test.
* g++.dg/template/unify16.C: New test.
* g++.dg/template/unify17.C: New test.
Thomas Koenig [Sun, 24 Jan 2016 09:11:50 +0000 (09:11 +0000)]
re PR fortran/66094 (Handle transpose(A) in inline matmul)
2016-01-24 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/66094
* frontend-passes.c (enum matrix_case): Add case A2B2T for
MATMUL(A,TRANSPoSE(B)) where A and B are rank 2.
(inline_limit_check): Also add A2B2T.
(matmul_lhs_realloc): Handle A2B2T.
(check_conjg_variable): Rename to
(check_conjg_transpose_variable): and also count TRANSPOSE.
(inline_matmul_assign): Handle A2B2T.
2016-01-24 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/66094
* gfortran.dg/inline_matmul_13.f90: New test.
* gfortran.dg/matmul_bounds_8.f90: New test.
* gfortran.dg/matmul_bounds_9.f90: New test.
* gfortran.dg/matmul_bounds_10.f90: New test.
re PR libfortran/68744 (FAIL: gfortran.dg/backtrace_1.f90 -O0 execution test)
PR libfortran/68744
* runtime/backtrace.c: Include gthr.h.
(show_backtrace): Use __gthread_active_p() to determine whether threads
are active. Return if lbstate is NULL.
Jonathan Wakely [Fri, 22 Jan 2016 21:15:41 +0000 (21:15 +0000)]
Constrain std::valarray functions and operators
PR libstdc++/69116
* include/bits/valarray_before.h (__fun, __fun_with_valarray): Only
define result_type for types which can be safely used with valarrays.
* testsuite/26_numerics/valarray/69116.cc: New.
Jeff Law [Fri, 22 Jan 2016 20:18:59 +0000 (13:18 -0700)]
re PR tree-optimization/69347 (excessive compile time with -O2)
PR middle-end/69347
* tree-ssa-dom.c (back_propagate_equivalences): Factored out of
record_temporary_equivalences. Rewritten to avoid unnecessary calls
into dominated_by_p.
(cprop_into_successor_phis): Avoid unnecessary tests.
Kyrylo Tkachov [Fri, 22 Jan 2016 13:58:11 +0000 (13:58 +0000)]
[ARM] Fix PR target/69403: Bug in thumb2_ior_scc_strict_it pattern
PR target/69403
* config/arm/thumb2.md (*thumb2_ior_scc_strict_it): Convert to
define_insn_and_split. Ensure operands[1] and operands[0] do not
get assigned the same register.
Jakub Jelinek [Fri, 22 Jan 2016 09:40:54 +0000 (10:40 +0100)]
re PR debug/66668 (FAIL: gcc.dg/debug/dwarf2/stacked-qualified-types-3.c scan-assembler-times DIE \\([^\n]*\\) DW_TAG_(?:const|volatile|atomic|restrict)_type 8)
PR debug/66668
* dwarf2out.c (add_child_die_after): New function.
(dwarf_qual_info_t): New type.
(dwarf_qual_info): New variable.
(qualified_die_p): New function.
(modified_type_die): For -fdebug-types-section, ensure
canonical order of qualifiers. Put qualified DIEs adjacent
to the corresponding non-qualified type DIE and search there
for existing qualified DIEs.
Jeff Law [Thu, 21 Jan 2016 22:21:55 +0000 (15:21 -0700)]
[PATCH] [PR tree-optimization/69347] Fix memory consumption in threader & minor speed improvement
PR middle-end/69347
* tree-ssa-dom.c (dom_opt_dom_walker::thread_across_edge): Avoid
useless call to record_temporary_equivalences.
* tree-ssa-threadbackward.c (find_jump_threads_backwards): Just
allocate 10 slots in the bb_path vector and let it grow as needed.
(fsm_find_control_statement_thread_paths): Similarly for the next_path
vector.
Jerry DeLisle [Thu, 21 Jan 2016 21:08:00 +0000 (21:08 +0000)]
re PR fortran/65996 (gfortran ICE with -dH)
2016-01-21 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/65996
* error.c (gfc_error): Save the state of abort_on_error and set
it to false for buffered errors to allow normal processing.
Restore the state before leaving.
2016-01-21 Jerry DeLisle <jvdelisle@gcc.gnu.org>
PR fortran/65996
gfortran.dg/pr65996.f90: New test.