PR c++/79746
* init.c (emit_mem_initializers): When not constructing vbases of
abstract classes, mark arguments as read for
-Wunused-but-set-parameter.
* g++.dg/warn/Wunused-parm-9.C: New test.
From-SVN: r245802
PR tree-optimization/79737
* gimple-ssa-store-merging.c (encode_tree_to_bitpos): If bitlen is
a multiple of BITS_PER_UNIT and !BYTES_BIG_ENDIAN, clear
tmpbuf[byte_size - 1]. Call natice_encode_expr with byte_size - 1
instead of byte_size. Formatting fix.
(shift_bytes_in_array_right): Formatting fix.
* gcc.c-torture/execute/pr79737-1.c: New test.
* gcc.c-torture/execute/pr79737-2.c: New test.
From-SVN: r245795
* config/i386/i386.c (print_reg): Error out for values
of 8-bit size in invalid integer register.
testsuite/ChangeLog:
* gcc.target/i386/invsize-1.c: New test.
From-SVN: r245785
2017-02-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/79740
* tree-ssa-sccvn.c (vn_nary_op_insert_into): Allow redundant
inserts.
(visit_nary_op): Insert the nary into the hashtable if we
pattern-matched sth.
* tree-ssa-pre.c (eliminate_insert): Robustify.
* gcc.dg/torture/pr79740.c: New testcase.
From-SVN: r245780
2017-02-28 Richard Biener <rguenther@suse.de>
PR tree-optimization/79732
* tree-inline.c (expand_call_inline): Do not shadow var.
* gcc.dg/torture/pr79732.c: New testcase.
From-SVN: r245773
PR tree-optimization/77536
* tree-ssa-loop-manip.c (niter_for_unrolled_loop): New function.
(tree_transform_and_unroll_loop): Use above function to compute the
estimated niter of unrolled loop and use it when scaling profile.
Also use count info rather than frequency if it's non-zero.
* tree-ssa-loop-manip.h niter_for_unrolled_loop(): New declaration.
* tree-vect-loop.c (scale_profile_for_vect_loop): New function.
(vect_transform_loop): Call above function.
gcc/testsuite
* gcc.dg/vect/pr79347.c: Revise testing string.
From-SVN: r245754
2017-02-27 Richard Biener <rguenther@suse.de>
PR tree-optimization/79690
* tree-vect-stmts.c (vectorizable_store): Use vector type
built from the DR with address-space.
* gcc.target/i386/pr79690.c: New testcase.
From-SVN: r245751
gcc/testsuite/
* gcc.target/mips/mips-ps-type-2.c (move): Force generation
of mov.ps.
* gcc.target/mips/mips-ps-type.c (move): Likewise.
(cond_move1): Simplify condition to force generation of
mov[nz].ps.
(cond_move2): Likewise.
From-SVN: r245722
gcc/testsuite/
* gcc.dg/tree-ssa/ssa-thread-14.c (dg-options): Use
logical_op_short_circuit to skip targets.
(dg-additional-options): Don't pass -mbranch-cost=2 for MIPS, AVR
and s390.
From-SVN: r245711
2017-02-23 Richard Biener <rguenther@suse.de>
PR tree-optimization/79683
* tree-vect-stmts.c (vect_analyze_stmt): Do not overwrite
vector types for data-refs.
* gcc.target/i386/pr79683.c: New testcase.
From-SVN: r245679
PR tree-optimization/79578
* tree-ssa-dse.c (clear_bytes_written_by): Use operand_equal_p
to compare base operands.
PR tree-optimization/79578
* g++.dg/tree-ssa/ssa-dse-3.C: New test.
From-SVN: r245675
gcc/
* config/mips/mips.c (mips_return_in_memory): Force FP
vector types to be returned in memory for o32 ABI.
gcc/testsuite/
* gcc.target/mips/msa-fp-cc.c: New test.
From-SVN: r245666
* dwarf2out.c (gen_variable_die): For -gdwarf-5, use DW_TAG_variable
instead of DW_TAG_member for static data member declarations and don't
set no_linkage_name for static inline data members.
(gen_member_die): For -gdwarf-5 don't change DW_TAG_variable
to DW_TAG_member.
* g++.dg/debug/dwarf2/inline-var-2.C: New test.
From-SVN: r245661
PR c++/79653
* parser.c (cp_parser_std_attribute_spec): Don't build the attribute
if the alignas expression is erroneous.
* pt.c (tsubst_attribute): If tsubst_pack_expansion fails, return
error_mark_node.
* g++.dg/cpp0x/alignas10.C: New test.
* g++.dg/cpp0x/alignas9.C: New test.
From-SVN: r245657
PR target/70465
* reg-stack.c (emit_swap_insn): Treat (float_extend:?F (mem:?F))
and (const_double:?F) like (mem:?F) for the purpose of fxch %st(1)
elimination by swapping fld*.
* gcc.target/i386/pr70465-2.c: New test.
From-SVN: r245654
2017-02-22 Richard Biener <rguenther@suse.de>
PR tree-optimization/79673
* tree-ssa-pre.c (compute_avail): Use wide_int_to_tree to
convert the [TARGET_]MEM_REF offset INTEGER_CST, scrapping off
irrelevant address-space qualifiers and avoiding a
ADDR_SPACE_CONVERT_EXPR from fold_convert.
* gcc.target/i386/pr79673.c: New testcase.
From-SVN: r245649
2017-02-22 Richard Biener <rguenther@suse.de>
PR tree-optimization/79666
* tree-vrp.c (extract_range_from_binary_expr_1): Make sure
to not symbolically negate if that may introduce undefined
overflow.
* gcc.dg/torture/pr79666.c: New testcase.
From-SVN: r245648
2017-02-22 Martin Liska <mliska@suse.cz>
PR lto/79587
* data-streamer-in.c (streamer_read_gcov_count): Remove assert.
* data-streamer-out.c (streamer_write_gcov_count_stream):
Likewise.
* value-prof.c (stream_out_histogram_value): Make assert more
precise based on type of counter.
2017-02-22 Martin Liska <mliska@suse.cz>
PR lto/79587
* gcc.dg/tree-prof/pr79587.c: New test.
From-SVN: r245647
PR c++/79654
* decl.c (cp_finish_decomp): Don't set decl's type to error_mark_node
on error.
* pt.c (tsubst_decomp_names): Return error_mark_node if the first
decl after the decomposition artificial decl has error_mark_node.
* decl2.c (prune_vars_needing_no_initialization): Use error_operand_p
instead of just == error_mark_node comparison.
* g++.dg/cpp1z/decomp26.C: New test.
Co-Authored-By: Paolo Carlini <paolo.carlini@oracle.com>
From-SVN: r245639
PR sanitizer/79589
* decl.c: Include gimplify.h.
(cp_finish_decomp): Make sure there is no sharing of trees
in between DECL_VALUE_EXPR of decomposition decls.
* g++.dg/ubsan/pr79589.C: New test.
From-SVN: r245638
PR c++/79639
* constexpr.c (cxx_eval_store_expression): If *valp is a PTRMEM_CST,
call cplus_expand_constant on it first.
* g++.dg/cpp1y/constexpr-79639.C: New test.
From-SVN: r245635
Jakub Jelinek
Eric Botcazou
Uros Bizjak
Martin Sebor
Richard Biener
Pat Haugen
Paolo Carlini
Bin Cheng
Thomas Koenig
Dominique d'Humieres
Matthew Fortune
David Edelsohn
Toma Tabacu
Dominik Vogt
Jeff Law
Sameera Deshpande
Marek Polacek
Uros Bizjak
Martin Liska