Fix PR c++/69091 (ICE with operator overload having 'auto' return type)

gcc/cp/ChangeLog:

PR c++/69091
* pt.c (type_dependent_expression_p): For a function template
specialization, a type is dependent iff any of its template
arguments are.

gcc/testsuite/ChangeLog:

PR c++/69091
* g++.dg/template/pr69091.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232463 138bc75d-0d04-0410-961f-82ee72b054a4

Fix logic bug in Cilk Plus array expansion

gcc/cp/ChangeLog:

* cp-array-notation.c (cp_expand_cond_array_notations): Return
error_mark_node only if find_rank failed, not if it was
successful.

gcc/testsuite/ChangeLog:

* c-c++-common/cilk-plus/AN/an-if.c: Check that the original
dump does not contain an error_mark_node.
* c-c++-common/cilk-plus/CK/pr60469.c: Likewise.
* c-c++-common/cilk-plus/AN/fn_ptr-2.c: New xfail'd test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232462 138bc75d-0d04-0410-961f-82ee72b054a4

Fix PR c++/68936

gcc/cp/ChangeLog:

PR c++/68936
* tree.c (build_min_non_dep_call_vec): Don't retain the
KOENIG_LOOKUP_P flag of the non-dependent expression that's
been built.
(build_min_non_dep_op_overload): Instead, do it here.

gcc/testsuite/ChangeLog:

PR c++/68936
* g++.dg/template/pr68936.C: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232461 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232460 138bc75d-0d04-0410-961f-82ee72b054a4

Use static assertion for uses-allocator construction

PR libstdc++/69293
* include/bits/uses_allocator.h (__uses_alloc<true, ...>): Add
static assertion that type is constructible from the arguments.
* testsuite/20_util/scoped_allocator/69293_neg.cc: New.
* testsuite/20_util/uses_allocator/69293_neg.cc: New.
* testsuite/20_util/uses_allocator/cons_neg.cc: Adjust dg-error.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232457 138bc75d-0d04-0410-961f-82ee72b054a4

    PR target/68609
        * gcc.target/powerpc/recip-1.c: Adjust for Goldschmidt's Algorithm.
        * gcc.target/powerpc/recip-2.c: Same.
        * gcc.target/powerpc/recip-3.c: Same.
        * gcc.target/powerpc/recip-4.c: Same.
        * gcc.target/powerpc/recip-sqrtf.c: Same.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232456 138bc75d-0d04-0410-961f-82ee72b054a4

PR libstdc++/69294 Check for isinf and isnan on AIX

PR libstdc++/69294
* acinclude.m4 (GLIBCXX_CHECK_MATH11_PROTO): Check for obsolete isinf
and isnan on AIX. Quote variables.
* configure: Regenerate.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232455 138bc75d-0d04-0410-961f-82ee72b054a4

libstdc++: Make certain exceptions transaction_safe.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232454 138bc75d-0d04-0410-961f-82ee72b054a4

PR tree-optimization/69270
* tree-ssanames.c (ssa_name_has_boolean_range): Moved here from
tree-ssa-dom.c.  Improve test for [0..1] ranve from VRP.
* tree-ssa-dom.c (ssa_name_has_boolean_range): Remove.
* tree-ssanames.h (ssa_name_has_boolean_range): Prototype.
* tree-ssa-uncprop.c (associate_equivalences_with_edges): Use
ssa_name_has_boolean_range and constant_boolean_node.

PR tree-optimization/69270
* gcc.dg/tree-ssa/pr69270-2.c: New test.
* gcc.dg/tree-ssa/pr69270-3.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232453 138bc75d-0d04-0410-961f-82ee72b054a4

2016-01-15  Steve Ellcey  <sellcey@imgtec.com>

* include/ext/random.tcc: Use __builtin_isfinite instead of
std::isfinite.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232452 138bc75d-0d04-0410-961f-82ee72b054a4

PR bootstrap/68271
* parser.h (cp_token): Remove pragma_kind field.  Add comment
with number of unused bits.
* parser.c (eof_token): Remove pragma_kind field initializer.
(cp_lexer_get_preprocessor_token): Don't set pragma_kind
field, don't clear CPP_PRAGMA u.value.
(cp_parser_pragma_kind): New function.
(cp_parser_omp_sections_scope, cp_parser_oacc_kernels_parallel,
cp_parser_omp_construct, cp_parser_initial_pragma,
cp_parser_pragma): Use cp_parser_pragma_kind instead of accessing
pragma_kind field.

* c-pragma.c (c_register_pragma_1): Adjust comment to note that
C++ FE no longer has limit on number of pragmas.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232451 138bc75d-0d04-0410-961f-82ee72b054a4

2016-01-15  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/64324
* resolve.c (check_uop_procedure): Prevent deferred length
characters from being trapped by assumed length error.

PR fortran/49630
PR fortran/54070
PR fortran/60593
PR fortran/60795
PR fortran/61147
PR fortran/64324
* trans-array.c (gfc_conv_scalarized_array_ref): Pass decl for
function as well as variable expressions.
(gfc_array_init_size): Add 'expr' as an argument. Use this to
correctly set the descriptor dtype for deferred characters.
(gfc_array_allocate): Add 'expr' to the call to
'gfc_array_init_size'.
* trans.c (gfc_build_array_ref): Expand logic for setting span
to include indirect references to character lengths.
* trans-decl.c (gfc_get_symbol_decl): Ensure that deferred
result char lengths that are PARM_DECLs are indirectly
referenced both for directly passed and by reference.
(create_function_arglist): If the length type is a pointer type
then store the length as the 'passed_length' and make the char
length an indirect reference to it.
(gfc_trans_deferred_vars): If a character length has escaped
being set as an indirect reference, return it via the 'passed
length'.
* trans-expr.c (gfc_conv_procedure_call): The length of
deferred character length results is set TREE_STATIC and set to
zero.
(gfc_trans_assignment_1): Do not fix the rse string_length if
it is a variable, a parameter or an indirect reference. Add the
code to trap assignment of scalars to unallocated arrays.
* trans-stmt.c (gfc_trans_allocate): Remove 'def_str_len' and
all references to it. Instead, replicate the code to obtain a
explicitly defined string length and provide a value before
array allocation so that the dtype is correctly set.
trans-types.c (gfc_get_character_type): If the character length
is a pointer, use the indirect reference.

2016-01-15  Paul Thomas  <pault@gcc.gnu.org>

PR fortran/49630
* gfortran.dg/deferred_character_13.f90: New test for the fix
of comment 3 of the PR.

PR fortran/54070
* gfortran.dg/deferred_character_8.f90: New test
* gfortran.dg/allocate_error_5.f90: New test

PR fortran/60593
* gfortran.dg/deferred_character_10.f90: New test

PR fortran/60795
* gfortran.dg/deferred_character_14.f90: New test

PR fortran/61147
* gfortran.dg/deferred_character_11.f90: New test

PR fortran/64324
* gfortran.dg/deferred_character_9.f90: New test

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232450 138bc75d-0d04-0410-961f-82ee72b054a4

* intrinsics/execute_command_line.c (set_cmdstat): Use "%s", msg
instead of msg to avoid -Wformat-security warning.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232449 138bc75d-0d04-0410-961f-82ee72b054a4

* adaint.c (__gnat_locate_exec_on_path): Use const char * instead
of char * for path_val to avoid warnings.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232448 138bc75d-0d04-0410-961f-82ee72b054a4

* task.c (GOMP_PLUGIN_target_task_completion): Add missing return.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232447 138bc75d-0d04-0410-961f-82ee72b054a4

2016-01-15  Vladimir Makarov  <vmakarov@redhat.com>

PR rtl-optimization/69030
* lra-spills.c (remove_pseudos): Check nrefs and make the function
returning bool.
(spill_pseudos): Delete debug insn for dead pseudo.
(lra_spill): Initiate spill_hard_reg and slots memory separately.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232445 138bc75d-0d04-0410-961f-82ee72b054a4

[AArch64] Remove TODO (redundant type conversions) in arm_neon.h

gcc/
* config/aarch64/aarch64-builtins.c (aarch64_types_unopus_qualifiers):
New.
(TYPES_UNOPUS): Likewise.
* config/aarch64/aarch64-simd-builtins.def (lbtruncuv2sf): Correct
builtin type, from UNOP to UNOPUS.
(lbtruncuv4sf): Likewise.
(lbtruncuv2df): Likewise.
(lrounduv2sf): Likewise.
(lrounduv4sf): Likewise.
(lrounduv2df): Likewise.
(lroundusf): Likewise.
(lroundusf): Likewise.
(lceiluv2sf): Likewise.
(lceiluv4sf): Likewise.
(lceiluv2df): Likewise.
(lceilusf): Likewise.
(lceiludf): Likewise.
(lflooruv2sf): Likewise.
(lflooruv4sf): Likewise.
(lflooruv2df): Likewise.
(lfloorusf): Likewise.
(lfloorudf): Likewise.
(lfrintnuv2sf): Likewise.
(lfrintnuv4sf): Likewise.
(lfrintnuv2df): Likewise.
(lfrintnusf): Likewise.
(lfrintnudf): Likewise.
* config/aarch64/arm_neon.h (vcvt_u32_f32): Remove unncessary type
conversion.
(vcvtq_u32_f32): Likewise.
(vcvtq_u64_f64): Likewise.
(vcvta_u32_f32): Likewise.
(vcvtaq_u32_f32): Likewise.
(vcvtaq_u64_f64): Likewise.
(vcvtm_u32_f32): Likewise.
(vcvtmq_u32_f32): Likewise.
(vcvtmq_u64_f64): Likewise.
(vcvtn_u32_f32): Likwise.
(vcvtnq_u32_f32): Likewise.
(vcvtnq_u64_f64): Likewise.
(vcvtp_u32_f32): Likewise.
(vcvtpq_u32_f32): Likewise.
(vcvtpq_u64_f64): Likewise.
(vcvtmd_u64_f64): Likewise.
(vcvtms_u32_f32): Likewise.
(vcvtad_u64_f64): Likewise.
(vcvtas_u32_f32): Likewise.
(vcvtnd_u64_f64): Likewise.
(vcvtns_u32_f32): Likewise.
(vcvtpd_u64_f64): Likewise.
(vcvtps_u32_f32): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232444 138bc75d-0d04-0410-961f-82ee72b054a4

[AArch64] Handle CSEL of zero_extended operands in rtx costs

* config/aarch64/aarch64.c (aarch64_if_then_else_costs): Handle
CSEL of zero_extended registers.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232442 138bc75d-0d04-0410-961f-82ee72b054a4

[AArch64] Handle compare of zero_extract form of TST-immediate in rtx costs

* config/aarch64/aarch64.c (aarch64_rtx_costs, COMPARE case):
Handle COMPARE of ZERO_EXTRACT against zero form of TST-immediate.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232441 138bc75d-0d04-0410-961f-82ee72b054a4

[AArch64] Properly reject invalid attribute strings

* config/aarch64/aarch64.c (aarch64_process_one_target_attr): Return
false when argument string is not found in the attributes table
at all.

* gcc.target/aarch64/target_attr_17.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232440 138bc75d-0d04-0410-961f-82ee72b054a4

    PR target/68609
        * config/rs6000/rs6000.c (rs6000_emit_msub): Delete.
        (rs6000_emit_swsqrt): Convert to Goldschmidt's Algorithm
        * config/rs6000/rs6000.md (sqrt<mode>2): Limit swsqrt to high
        precision estimate.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232439 138bc75d-0d04-0410-961f-82ee72b054a4

PR c++/68847
* call.c (build_cxx_call): Use fold_non_dependent_expr.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232438 138bc75d-0d04-0410-961f-82ee72b054a4

* typeck2.c (cxx_incomplete_type_diagnostic): Use the location of
value.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232437 138bc75d-0d04-0410-961f-82ee72b054a4

PR c++/69257
* typeck.c (decay_conversion): Don't call mark_rvalue_use for
array/function-to-pointer conversion.  Call
complete_type_or_maybe_complain for lvalue-to-rvalue conversion.
* call.c (convert_like_real): Print call context if
decay_conversion errors.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232436 138bc75d-0d04-0410-961f-82ee72b054a4

2016-01-15  Richard Biener  <rguenther@suse.de>

PR tree-optimization/66856
* tree-vect-loop.c (vect_transform_loop): Free SLP instances here.
* tree-vect-slp.c (vect_free_slp_tree): Decrement stmt reference count.
(vect_create_new_slp_node): Increment stmt reference count.
(vect_get_and_check_slp_defs): Make sure stmts are nor already in
an SLP tree before swapping operands.
(vect_build_slp_tree): Likewise.
(destroy_bb_vec_info): Free stmt info after SLP instances.
* tree-vect-stmts.c (new_stmt_vec_info): Initialize reference count.
* tree-vectorizer.h (struct _stmt_vec_info): Add num_slp_uses field.
(STMT_VINFO_NUM_SLP_USES): New macro.

* gcc.dg/torture/pr66856-1.c: New testcase.
* gcc.dg/torture/pr66856-2.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232435 138bc75d-0d04-0410-961f-82ee72b054a4

2016-01-15  Richard Biener  <rguenther@suse.de>

PR debug/69137
* dwarf2out.c (add_linkage_name_raw): New function split out from ...
(add_linkage_name): ... here.
(gen_typedef_die): Use add_linkage_name_raw instead of
add_linkage_attr to delay DECL_ASSEMBLER_NAME computation
if necessary.

* g++.dg/lto/pr69137_0.C: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232434 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/
* gimplify.c (oacc_default_clause): Decode reference and pointer
types for both kernels and parallel regions.

libgomp/
* testsuite/libgomp.oacc-fortran/kernels-data.f90: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232431 138bc75d-0d04-0410-961f-82ee72b054a4

PR 69246: Invalid REG_ARGS_SIZE for sibcalls

The problem in this PR was that we were treating a sibcall as popping
arguments, leading to a negative REG_ARGS_SIZE.

It doesn't really make sense to treat sibcalls as popping since
(a) they're deallocating the caller's stack, not ours, and
(b) there are no optabs for popping sibcalls (any more).

Tested on x86_64-linux-gnu.

gcc/
PR middle-end/69246
* calls.c (emit_call_1): Force n_popped to zero for sibcalls.

gcc/testsuite/
PR middle-end/69246
* gcc.target/i386/pr69246.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232428 138bc75d-0d04-0410-961f-82ee72b054a4

Fix usage of an uninitialized variable

* lto-plugin.c (all_symbols_read_handler): Assign default
value to a string variable.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232426 138bc75d-0d04-0410-961f-82ee72b054a4

S/390: bind_c_array_params_2: Add proper call expr regexp for S/390.

gcc/testsuite/ChangeLog

* gfortran.dg/bind_c_array_params_2.f90: Fix test patterns for S/390.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232425 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/

* config/i386/i386.c (scalar_chain::compute_convert_gain): Fix typo.
(convert_scalars_to_vector): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232424 138bc75d-0d04-0410-961f-82ee72b054a4

* doc/extend.texi (Type Traits): Fix grammar.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232423 138bc75d-0d04-0410-961f-82ee72b054a4

S/390: const9.C: Disable test.

gcc/testsuite/ChangeLog

PR c++/56194
* g++.dg/init/const9.C: Disable test on S/390.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232422 138bc75d-0d04-0410-961f-82ee72b054a4

S/390: Add -mbackchain to frame-address tests.

gcc/testsuite/ChangeLog

* g++.dg/Wframe-address.C: Test requires -mbackchain for s390*-*-*
* g++.dg/Wno-frame-address.C: Ditto.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232421 138bc75d-0d04-0410-961f-82ee72b054a4

S/390: Enable tree-ssa/20040204-1.c testcase on s390.

gcc/testsuite/ChangeLog

* gcc.dg/tree-ssa/20040204-1.c: Do not xfail on S/390.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232420 138bc75d-0d04-0410-961f-82ee72b054a4

Avoid extraneous remapping in copy_gimple_seq_and_replace_locals

2016-01-15  Martin Jambor  <mjambor@suse.cz>

* tree-inline.c (remap_decl): Use existing dclarations if
remapping a type and prevent_decl_creation_for_types.
(replace_locals_stmt): Do an initial remapping of non-VLA typed
decls first.  Do real remapping with
prevent_decl_creation_for_types set.
* tree-inline.h (copy_body_data): New field
prevent_decl_creation_for_types, moved remap_var_for_cilk to avoid
padding.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232419 138bc75d-0d04-0410-961f-82ee72b054a4

S/390: Better help text for -mmvcle.

gcc/ChangeLog

* config/s390/s390.opt (mmvcle): More verbose help text.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232418 138bc75d-0d04-0410-961f-82ee72b054a4

S/390: s390.opt: Add period to -mzvector option text.

gcc/ChangeLog:

2016-01-15  Dominik Vogt  <vogt@linux.vnet.ibm.com>

* config/s390/s390.opt: Add period to -mzvector option text.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232417 138bc75d-0d04-0410-961f-82ee72b054a4

* include/bits/std_mutex.h: Fix Doxygen @file name.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232416 138bc75d-0d04-0410-961f-82ee72b054a4

2016-01-15  Richard Biener  <rguenther@suse.de>

PR tree-optimization/68961
* tree-vect-slp.c (vect_analyze_slp_cost_1): Consider cost
of invariants in stores again.

* gcc.dg/vect/costmodel/x86_64/costmodel-pr68961.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232415 138bc75d-0d04-0410-961f-82ee72b054a4

[RTEMS] Add Cortex-M7 multilib for FPU support

gcc/ChangeLog

* config/arm/t-rtems: Add cortex-m7/fpv5-d16 multilib.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232414 138bc75d-0d04-0410-961f-82ee72b054a4

gcc/

* config/i386/i386.c (ix86_expand_branch): Don't split
DI mode xor instruction to SI mode.

gcc/testsuite/

* gcc.target/i386/pr65105-5.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232413 138bc75d-0d04-0410-961f-82ee72b054a4

* gcc.c-torture/execute/alias-4.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232411 138bc75d-0d04-0410-961f-82ee72b054a4

PR ipa/68148
* ipa-icf.c (sem_function::merge): Virtual functions may become
reachable even if they address is not taken and there are no
idrect calls.
* g++.dg/ipa/devirt-49.C: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232410 138bc75d-0d04-0410-961f-82ee72b054a4

* lto-streamer-out.c (subtract_estimated_size): New function.
(get_symbol_initial_value): Use it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232407 138bc75d-0d04-0410-961f-82ee72b054a4

fix time shift again

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232405 138bc75d-0d04-0410-961f-82ee72b054a4

fix time shift

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232404 138bc75d-0d04-0410-961f-82ee72b054a4

gcc
2015-01-16  Christian Bruel  <christian.bruel@st.com>

PR target/65837
* config/arm/arm-builtins.c (ARM_BUILTIN_CRYPTO_BASE): New enum tag.
(arm_init_neon_builtins_internal): Rename arm_init_neon_builtins,
(arm_init_crypto_builtins_internal): Rename arm_init_crypto_builtins.
use add_builtin_function_ext_scope instead of add_builtin_function.
(neon_set_p, neon_crypto_set_p): Remove.
(arm_init_builtins): Always call arm_init_neon_builtins and
arm_init_crypto_builtins.
(arm_expand_builtin): Check that builtins are allowed for the arch.
* config/arm/arm-protos.h (arm_init_neon_builtins): Remove prototype.
* config/arm/arm.c (arm_valid_target_attribute_tree): Remove
arm_init_neon_builtins call.

gcc/testsuite
2015-01-16  Christian Bruel  <christian.bruel@st.com>

PR target/65837
* gcc.target/arm/attr-neon-builtin-fail2.c: New test.
* gcc.target/arm/lto/pr65837-attr_0.c: New test.
* gcc.target/arm/lto/pr65837_0.c: Fix skip condition and use ACLE name.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232403 138bc75d-0d04-0410-961f-82ee72b054a4

* config/msp430/t-msp430 (lib2_mul_none.o): Only use the first
dependency as the source file to be compiled.
(lib2_mul_16bit.o, lib2hw_mul_16.o, lib2hw_mul_32.o)
(lib2hw_mul_f5.o): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232402 138bc75d-0d04-0410-961f-82ee72b054a4

2016-01-15  Richard Biener  <rguenther@suse.de>

PR tree-optimization/69117
* tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
* tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
of the leader conservatively.
(free_scc_vn): Restore original SSA name infos.

* gcc.dg/torture/pr69117.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232401 138bc75d-0d04-0410-961f-82ee72b054a4

   PR tree-optimization/69270
        * tree-ssa-dom.c (ssa_name_has_boolean_range): If the type has a
        single bit of precision, verify it's also unsigned.
        (record_edge_info): Use constant_boolean_node rather than fold_convert
        to convert boolean_true/boolean_false to the right type.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232399 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232398 138bc75d-0d04-0410-961f-82ee72b054a4

PR rtl-opt/69014

  * loop-doloop.c (record_reg_sets): New.
  (doloop_optimize): Reject the transform if the sequence
  clobbers registers live at the end of the loop block.
  (doloop_optimize_loops): Enable df_live if needed.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232395 138bc75d-0d04-0410-961f-82ee72b054a4

Fix minor whitespace problems in last commit

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232394 138bc75d-0d04-0410-961f-82ee72b054a4

[cilkplus] Fix cilk_spawn gimplification bug (PR cilkplus/69048)

PR c++/69048
* cilk.c (create_cilk_wrapper_body): Call fold_build_cleanup_point_expr
 to add missing cleanup point.

PR c++/69048
* g++.dg/cilk-plus/CK/pr69048.cc: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232393 138bc75d-0d04-0410-961f-82ee72b054a4

Revert 2016-01-13 change.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232392 138bc75d-0d04-0410-961f-82ee72b054a4

Re: [PATCH][PR tree-optimization/69270] Exploit VRP information in DOM

* tree-ssa-dom.c (ssa_name_has_boolean_range): Fix comment
typo.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232391 138bc75d-0d04-0410-961f-82ee72b054a4

PR c/69272
PR tree-opt/68964

  * trans-mem.c (tm_log_emit_stmt): Fix unit size to bit size.
  * tree.c (build_tm_vector_builtins): Use builtin_decl_explicit_p
  instead of builtin_decl_declared_p to test for declaration.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232390 138bc75d-0d04-0410-961f-82ee72b054a4

    * doc/loop.texi (Loop Analysis and Representation): Document
loop_depth function.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232389 138bc75d-0d04-0410-961f-82ee72b054a4

2016-01-14  Andreas Tobler  <andreast@gcc.gnu.org>

    * configure.ac: Replace the hard-coded -ldl requirement for
    link_sanitizer_common with a configure time check for -ldl.
    * configure: Regenerate.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232385 138bc75d-0d04-0410-961f-82ee72b054a4

Mark symbols in offload tables with force_output in read_offload_tables

2016-01-14  Tom de Vries  <tom@codesourcery.com>

PR tree-optimization/68773
* c-parser.c (c_parser_oacc_declare, c_parser_omp_declare_target): Don't
set force_output.

* parser.c (cp_parser_oacc_declare, cp_parser_omp_declare_target): Don't
set force_output.

* omp-low.c (expand_omp_target): Don't set force_output.
* varpool.c (varpool_node::get_create): Same.
* lto-cgraph.c (input_offload_tables): Mark entries in offload_vars and
offload_funcs with force_output.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232384 138bc75d-0d04-0410-961f-82ee72b054a4

PR testsuite/67509
* gfortran.dg/ieee/ieee_7.f90: For out of bound precision or
range tests use 100 * maximum instead of maximum + 1.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232383 138bc75d-0d04-0410-961f-82ee72b054a4

PR debug/69244
* lra-eliminations.c (move_plus_up): Don't change anything if either
the outer or inner subreg mode is not MODE_INT.
* dwarf2out.c (mem_loc_descriptor): For SUBREG, if outer mode is
integral <= DWARF2_ADDR_SIZE, convert to untyped afterwards.

* gcc.dg/guality/pr69244.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232382 138bc75d-0d04-0410-961f-82ee72b054a4

* lib/target-supports.exp (check_effective_target_issignaling):
New procedure.
* gcc.dg/pr61441.c: Require issignaling effective target.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232381 138bc75d-0d04-0410-961f-82ee72b054a4

powerpc: Add some XFAILs to 20050603-3.c (PR68803)

In r230167 I made this testcase be tested on 64-bit as well, since it
now works.  That was a tad optimistic for powerpc64le though.  For now,
XFAIL it there.

PR target/68803
* gcc.target/powerpc/20050603-3.c: Add xfails for powerpc64le.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232380 138bc75d-0d04-0410-961f-82ee72b054a4

PR preprocessor/69177 and PR c++/68819: libcpp fallbacks and -Wmisleading-indentation

gcc/c-family/ChangeLog:
PR c++/68819
* c-indentation.c (get_visual_column): Add location_t param.
Handle the column number being zero by effectively disabling the
warning, with an "inform".
(should_warn_for_misleading_indentation): Add location_t argument
for all uses of get_visual_column.

gcc/testsuite/ChangeLog:
PR c++/68819
PR preprocessor/69177
* gcc.dg/plugin/location-overflow-test-1.c: New test case.
* gcc.dg/plugin/location-overflow-test-2.c: New test case.
* gcc.dg/plugin/location_overflow_plugin.c: New test plugin.
* gcc.dg/plugin/plugin.exp (plugin_test_list): Add the above.

libcpp/ChangeLog:
PR preprocessor/69177
* line-map.c (LINE_MAP_MAX_LOCATION_WITH_PACKED_RANGES): New
constant.
(LINE_MAP_MAX_LOCATION_WITH_COLS): Add note about unit tests
to comment.
(can_be_stored_compactly_p): Reduce threshold from
LINE_MAP_MAX_LOCATION_WITH_COLS to
LINE_MAP_MAX_LOCATION_WITH_PACKED_RANGES.
(get_combined_adhoc_loc): Likewise.
(get_range_from_loc): Likewise.
(linemap_line_start): Ensure that a new ordinary map is created
when transitioning from range-packing being enabled to disabled,
at the LINE_MAP_MAX_LOCATION_WITH_PACKED_RANGES threshold.  Set
range_bits to 0 for new ordinary maps when beyond this limit.
Prevent the "increase the column bits of a freshly created map"
optimization if the range bits has reduced.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232379 138bc75d-0d04-0410-961f-82ee72b054a4

2016-01-14  Edward Smith-Rowland  <3dw4rd@verizon.net>
    Jonathan Wakely  <jwakely@redhat.com>
    Florian Goth <CaptainSifff@gmx.de>

Implement TR29124 C++ special Math Functions.
* include/Makefile.am: Add new headers.
* include/Makefile.in: Regenerate.
* include/bits/specfun.h: New.
* include/c_global/cmath: Adjust for both tr1 and tr29124 maths.
* include/tr1/bessel_function.tcc: Ditto.
* include/tr1/beta_function.tcc: Ditto.
* include/tr1/cmath: Ditto.
* include/tr1/ell_integral.tcc: Ditto.
* include/tr1/exp_integral.tcc: Ditto.
* include/tr1/gamma.tcc: Ditto.
* include/tr1/hypergeometric.tcc: Ditto.
* include/tr1/legendre_function.tcc: Ditto.
* include/tr1/modified_bessel_func.tcc: Ditto.
* include/tr1/poly_hermite.tcc: Ditto.
* include/tr1/poly_laguerre.tcc: Ditto.
* include/tr1/riemann_zeta.tcc: Ditto.
* include/tr1/special_function_util.h: Ditto.
* testsuite/ext/special_functions/conf_hyperg: New.
* testsuite/ext/special_functions/conf_hyperg/check_nan.cc: New.
* testsuite/ext/special_functions/conf_hyperg/check_value.cc: New.
* testsuite/ext/special_functions/conf_hyperg/compile.cc: New.
* testsuite/ext/special_functions/hyperg: New.
* testsuite/ext/special_functions/hyperg/check_nan.cc: New.
* testsuite/ext/special_functions/hyperg/check_value.cc: New.
* testsuite/ext/special_functions/hyperg/compile.cc: New.
* testsuite/libstdc++-dg/conformance.exp: Add special_functions directory.
* testsuite/special_functions/01_assoc_laguerre/check_nan.cc: New.
* testsuite/special_functions/01_assoc_laguerre/check_value.cc: New.
* testsuite/special_functions/01_assoc_laguerre/compile.cc: New.
* testsuite/special_functions/01_assoc_laguerre/compile_2.cc: New.
* testsuite/special_functions/02_assoc_legendre/check_nan.cc: New.
* testsuite/special_functions/02_assoc_legendre/check_value.cc: New.
* testsuite/special_functions/02_assoc_legendre/compile.cc: New.
* testsuite/special_functions/02_assoc_legendre/compile_2.cc: New.
* testsuite/special_functions/03_beta/check_nan.cc: New.
* testsuite/special_functions/03_beta/check_value.cc: New.
* testsuite/special_functions/03_beta/compile.cc: New.
* testsuite/special_functions/03_beta/compile_2.cc: New.
* testsuite/special_functions/04_comp_ellint_1/check_nan.cc: New.
* testsuite/special_functions/04_comp_ellint_1/check_value.cc: New.
* testsuite/special_functions/04_comp_ellint_1/compile.cc: New.
* testsuite/special_functions/04_comp_ellint_1/compile_2.cc: New.
* testsuite/special_functions/05_comp_ellint_2/check_nan.cc: New.
* testsuite/special_functions/05_comp_ellint_2/check_value.cc: New.
* testsuite/special_functions/05_comp_ellint_2/compile.cc: New.
* testsuite/special_functions/05_comp_ellint_2/compile_2.cc: New.
* testsuite/special_functions/06_comp_ellint_3/check_nan.cc: New.
* testsuite/special_functions/06_comp_ellint_3/check_value.cc: New.
* testsuite/special_functions/06_comp_ellint_3/compile.cc: New.
* testsuite/special_functions/06_comp_ellint_3/compile_2.cc: New.
* testsuite/special_functions/07_cyl_bessel_i/check_nan.cc: New.
* testsuite/special_functions/07_cyl_bessel_i/check_value.cc: New.
* testsuite/special_functions/07_cyl_bessel_i/compile.cc: New.
* testsuite/special_functions/07_cyl_bessel_i/compile_2.cc: New.
* testsuite/special_functions/07_cyl_bessel_i/pr56216.cc: New.
* testsuite/special_functions/08_cyl_bessel_j/check_nan.cc: New.
* testsuite/special_functions/08_cyl_bessel_j/check_value.cc: New.
* testsuite/special_functions/08_cyl_bessel_j/compile.cc: New.
* testsuite/special_functions/08_cyl_bessel_j/compile_2.cc: New.
* testsuite/special_functions/09_cyl_bessel_k/check_nan.cc: New.
* testsuite/special_functions/09_cyl_bessel_k/check_value.cc: New.
* testsuite/special_functions/09_cyl_bessel_k/compile.cc: New.
* testsuite/special_functions/09_cyl_bessel_k/compile_2.cc: New.
* testsuite/special_functions/10_cyl_neumann/check_nan.cc: New.
* testsuite/special_functions/10_cyl_neumann/check_value.cc: New.
* testsuite/special_functions/10_cyl_neumann/compile.cc: New.
* testsuite/special_functions/10_cyl_neumann/compile_2.cc: New.
* testsuite/special_functions/11_ellint_1/check_nan.cc: New.
* testsuite/special_functions/11_ellint_1/check_value.cc: New.
* testsuite/special_functions/11_ellint_1/compile.cc: New.
* testsuite/special_functions/11_ellint_1/compile_2.cc: New.
* testsuite/special_functions/12_ellint_2/check_nan.cc: New.
* testsuite/special_functions/12_ellint_2/check_value.cc: New.
* testsuite/special_functions/12_ellint_2/compile.cc: New.
* testsuite/special_functions/12_ellint_2/compile_2.cc: New.
* testsuite/special_functions/13_ellint_3/check_nan.cc: New.
* testsuite/special_functions/13_ellint_3/check_value.cc: New.
* testsuite/special_functions/13_ellint_3/compile.cc: New.
* testsuite/special_functions/13_ellint_3/compile_2.cc: New.
* testsuite/special_functions/14_expint/check_nan.cc: New.
* testsuite/special_functions/14_expint/check_value.cc: New.
* testsuite/special_functions/14_expint/compile.cc: New.
* testsuite/special_functions/14_expint/compile_2.cc: New.
* testsuite/special_functions/15_hermite/check_nan.cc: New.
* testsuite/special_functions/15_hermite/check_value.cc: New.
* testsuite/special_functions/15_hermite/compile.cc: New.
* testsuite/special_functions/15_hermite/compile_2.cc: New.
* testsuite/special_functions/16_laguerre/check_nan.cc: New.
* testsuite/special_functions/16_laguerre/check_value.cc: New.
* testsuite/special_functions/16_laguerre/compile.cc: New.
* testsuite/special_functions/16_laguerre/compile_2.cc: New.
* testsuite/special_functions/17_legendre/check_nan.cc: New.
* testsuite/special_functions/17_legendre/check_value.cc: New.
* testsuite/special_functions/17_legendre/compile.cc: New.
* testsuite/special_functions/17_legendre/compile_2.cc: New.
* testsuite/special_functions/18_riemann_zeta/check_nan.cc: New.
* testsuite/special_functions/18_riemann_zeta/check_value.cc: New.
* testsuite/special_functions/18_riemann_zeta/compile.cc: New.
* testsuite/special_functions/18_riemann_zeta/compile_2.cc: New.
* testsuite/special_functions/19_sph_bessel/check_nan.cc: New.
* testsuite/special_functions/19_sph_bessel/check_value.cc: New.
* testsuite/special_functions/19_sph_bessel/compile.cc: New.
* testsuite/special_functions/19_sph_bessel/compile_2.cc: New.
* testsuite/special_functions/20_sph_legendre/check_nan.cc: New.
* testsuite/special_functions/20_sph_legendre/check_value.cc: New.
* testsuite/special_functions/20_sph_legendre/compile.cc: New.
* testsuite/special_functions/20_sph_legendre/compile_2.cc: New.
* testsuite/special_functions/21_sph_neumann/check_nan.cc: New.
* testsuite/special_functions/21_sph_neumann/check_value.cc: New.
* testsuite/special_functions/21_sph_neumann/compile.cc: New.
* testsuite/special_functions/21_sph_neumann/compile_2.cc: New.
* testsuite/util/specfun_testcase.h: New.
* testsuite/tr1/5_numerical_facilities/special_functions/08_cyl_bessel_i/check_value.cc: More testcases.
* testsuite/tr1/5_numerical_facilities/special_functions/09_cyl_bessel_j/check_value.cc: Ditto.
* testsuite/tr1/5_numerical_facilities/special_functions/10_cyl_bessel_k/check_value.cc: Ditto.
* testsuite/tr1/5_numerical_facilities/special_functions/11_cyl_neumann/check_value.cc: Ditto.
* testsuite/tr1/5_numerical_facilities/special_functions/21_sph_bessel/check_value.cc: Ditto.
* testsuite/tr1/5_numerical_facilities/special_functions/23_sph_neumann/check_value.cc: Ditto.
* testsuite/tr1/5_numerical_facilities/special_functions/16_hermite/check_value.cc: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232377 138bc75d-0d04-0410-961f-82ee72b054a4

PR c/69262
* c-decl.c (grokdeclarator): Provide more information for invalid
array declarations.

* gcc.dg/array-15.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232376 138bc75d-0d04-0410-961f-82ee72b054a4

Tidy: remove reduc_xxx_optab migration code.

* doc/md.texi (reduc_smin_@var{m}, reduc_smax_@var{m},
reduc_umin_@var{m}, reduc_umax_@var{m}, reduc_splus_@var{m},
reduc_uplus_@var{m}): Remove.
* expr.c (expand_expr_real_2): Remove expansion path for
reduc_[us](min|max|plus) optabs.
* optabs-tree.c (scalar_reduc_to_vector): Remove.
* optabs-tree.h (scalar_reduc_to_vector): Remove.
* optabs.def (reduc_smax_optab, reduc_smin_optab, reduc_splus_optab,
reduc_umax_optab, reduc_umin_optab, reduc_uplus_optab): Remove.
* tree-vect-loop.c (vectorizable_reduction): Remove test for
reduc_[us](min|max|plus) optabs.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232373 138bc75d-0d04-0410-961f-82ee72b054a4

[MIPS] Migrate reduction optabs in mips-ps-3d.md

* config/mips/mips-ps-3d.md (reduc_splus_v2sf): Remove.
(reduc_plus_scal_v2sf): New.
(reduc_smax_v2sf): Rename to...
(reduc_smax_scal_v2sf): ...here, make result SFmode, add vec_extract.
(reduc_smin_v2sf): Rename to...
(reduc_smin_scal_v2sf): ...here, make result SFmode, add vec_extract.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232371 138bc75d-0d04-0410-961f-82ee72b054a4

PR c++/69261
* constexpr.c (find_array_ctor_elt): Handle splitting RANGE_EXPR.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232370 138bc75d-0d04-0410-961f-82ee72b054a4

* alias.c (compare_base_symbol_refs): New function.
(rtx_equal_for_memref_p, base_alias_check, memrefs_conflict_p): Use
it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232369 138bc75d-0d04-0410-961f-82ee72b054a4

PR middle-end/68146
PR tree-optimization/69155
* tree-complex.c: Include cfganal.h.
(phis_to_revisit): New variable.
(extract_component): Add phiarg_p argument.  Assert that returned
SSA_NAME has non-NULL SSA_NAME_DEF_STMT unless phiarg_p is true.
(update_phi_components): Partly rewrite to use loop over real/imag
components instead of code duplication.  If extract_component returns
SSA_NAME with NULL SSA_NAME_DEF_STMT, store SSA_NAME_VAR or
create_tmp_reg into the PHI node instead, and mention the phi triplet
in phis_to_revisit.
(tree_lower_complex): Walk bbs in rpo order.  Adjust phis recorded
in phis_to_revisit at the end.

* gfortran.dg/pr68146.f: New test.
* gfortran.dg/pr69155.f90: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232368 138bc75d-0d04-0410-961f-82ee72b054a4

2016-01-14  Richard Biener  <rguenther@suse.de>

PR tree-optimization/68060
* tree-vect-loop.c (vect_is_simple_reduction): Check the
outer loop reduction is only used in the inner loop before
detecting a double reduction.

* gcc.dg/torture/pr68060-1.c: New testcase.
* gcc.dg/torture/pr68060-2.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232367 138bc75d-0d04-0410-961f-82ee72b054a4

PR target/68269
* combine.c (expand_field_assignment): Punt if compute_mode is
unsupported scalar mode.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232366 138bc75d-0d04-0410-961f-82ee72b054a4

Update previous delta to ensure that the attributes are actually tested.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232365 138bc75d-0d04-0410-961f-82ee72b054a4

2016-01-14  Richard Biener  <rguenther@suse.de>

PR tree-optimization/66856
* tree-vect-slp.c (vect_build_slp_tree): Refactor to build
SLP node only if it built successfully.
(vect_analyze_slp_instance): Adjust.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232364 138bc75d-0d04-0410-961f-82ee72b054a4

* lib/target-supports.exp
(check_effective_target_arm_neon_ok_nocache): Add an option
sequence that includes setting the ARM architecture to ARMv7-A.
* gcc.target/arm/attr-neon.c: Use dg-add-options to add the
command line options necessary to enable Neon support.
* gcc.target/arm/neon-vlshr-imm-1.c: Likewise.
* gcc.target/arm/neon-vshl-imm-1.c: Likewise.
* gcc.target/arm/neon-vshr-imm-1.c: Likewise.
* gcc.target/arm/pr69180.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232362 138bc75d-0d04-0410-961f-82ee72b054a4

[PATCH][PR tree-optimization/69270] Exploit VRP information in DOM

PR tree-optimization/69270
* tree-ssa-dom.c (ssa_name_has_boolean_range): New function.
(record_edge_info): Use it.  Convert boolean_{true,false}_node
to the type of op0.

PR tree-optimization/69270
* gcc.dg/tree-ssa/pr69270.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232361 138bc75d-0d04-0410-961f-82ee72b054a4

Daily bump.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232359 138bc75d-0d04-0410-961f-82ee72b054a4

PR ipa/66487
* ipa-polymorphic-call.c (inlined_polymorphic_ctor_dtor_block_p):
use block_ultimate_origin
(noncall-stmt_may_be_vtbl_ptr_store): Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232356 138bc75d-0d04-0410-961f-82ee72b054a4

2016-01-13  Sandra Loosemore <sandra@codesourcery.com>

gcc/
* doc/invoke.texi (Submodel Options): Rename section to
"Machine-Dependent Options" to better reflect its content.
Rewrite introductory text to remove archaic CPU names.
Update references.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232355 138bc75d-0d04-0410-961f-82ee72b054a4

libitm: Fix seq-cst MOs/fences in rwlock.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232353 138bc75d-0d04-0410-961f-82ee72b054a4

2016-01-13  Sandra Loosemore <sandra@codesourcery.com>

gcc/
* doc/invoke.texi (Code Gen Options): Move section up in file,
before target-specific options.  Update menu and option summary
to reflect the new section ordering.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232352 138bc75d-0d04-0410-961f-82ee72b054a4

Improve documentation of -std option for C++

* doc/invoke.texi (C Dialect Options): Adjust -std default for C++.
(C++ Dialect Options): Add cross-reference to -std option.
* doc/standards.texi (C++ Language): Document C++14 support.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232349 138bc75d-0d04-0410-961f-82ee72b054a4

[gcc]
2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

* config/rs6000/rs6000-builtin.def (BU_FLOAT128_2): Add support
for pack/unpack functions for __ibm128.
(PACK_IF): Likewise.
(UNPACK_IF): Likewise.

* config/rs6000/rs6000.c (rs6000_builtin_mask_calculate): Add
support for __ibm128 pack/unpack functions.
(rs6000_invalid_builtin): Likewise.
(rs6000_init_builtins): Likewise.
(rs6000_opt_masks): Likewise.

* config/rs6000/rs6000.h (MASK_FLOAT128): Add short name.
(RS6000_BTM_FLOAT128): Add support for __ibm128 pack/unpack
functions
(RS6000_BTM_COMMON): Likewise.

* config/rs6000/rs6000.md (f128_vsx): New mode attribute.
(unpack<mode>): Use FMOVE128_FPR iterator instead of FMOVE128, to
disallow __builtin_{pack,unpack}_longdouble if long double is IEEE
128-bit floating point.  Add support for the double values to be
in Altivec registers for TF/IF packing and unpacking, but restrict
TD packing sub-fields to be FPR registers.  Don't allow overlapped
register support for packing.  Allow pack inputs to be memory
locations.  Don't build generator functions for unpack<mode>_dm
and unpack<mode>_nodm.
(unpack<mode>_dm): Likewise.
(unpack<mode>_nodm): Likewise.
(pack<mode>): Likewise.

* config/rs6000/rs6000-builtin.def (__builtin_pack_ibm128): Add
built-in functions to pack/unpack explicit __ibm128 values.
(__builtin_unpack_ibm128): Likewise.

* doc/extend.texi (PowerPC Built-in Functions): Document
__builtin_pack_ibm128 and __builtin_unpack_ibm128.

[libgcc]
2016-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>
    Steven Munroe <munroesj@linux.vnet.ibm.com>
    Tulio Magno Quites Machado Filho <tulioqm@br.ibm.com>

* config/rs6000/sfp-exceptions.c: New file to provide exception
support for IEEE 128-bit floating point.

* config/rs6000/float128-hw.c: New file for ISA 3.0 IEEE 128-bit
floating point hardware support.

* config/rs6000/floattikf.c: New files for IEEE 128-bit floating
point conversions.
* config/rs6000/fixunskfti.c: Likewise.
* config/rs6000/fixkfti.c: Likewise.
* config/rs6000/floatuntikf.c: Likewise.
* config/rs6000/extendkftf2-sw.c: Likewise.
* config/rs6000/trunctfkf2-sw.c: Likewise.

* config/rs6000/float128-ifunc.c: New file to pick either IEEE
128-bit floating point software emulation or use ISA 3.0 hardware
support if it is available.

* config/rs6000/quad-float128.h: New file to support IEEE 128-bit
floating point.

* config/rs6000/t-float128: New Makefile fragments to enable
building __float128 emulation support.
* config/rs6000/t-float128-hw: Likewise.

* config/rs6000/float128-sed: New file to convert TF names to KF
names for PowerPC IEEE 128-bit floating point support.

* config/rs6000/sfp-machine.h (_FP_W_TYPE_SIZE): Use 64-bit types
when building on 64-bit systems, or when VSX is enabled.
(_FP_W_TYPE): Likewise.
(_FP_WS_TYPE): Likewise.
(_FP_I_TYPE): Likewise.
(TItype): Define on 64-bit systems.
(UTItype): Likewise.
(TI_BITS): Likewise.
(_FP_MUL_MEAT_D): Add support for using 64-bit types.
(_FP_MUL_MEAT_Q): Likewise.
(_FP_DIV_MEAT_D): Likewise.
(_FP_DIV_MEAT_Q): Likewise.
(_FP_NANFRAC_D): Likewise.
(_FP_NANFRAC_Q): Likewise.
(ISA_BIT): Add exception support if we are being compiled on a
machine with hardware floating point support to build the IEEE
128-bit emulation functions.
(FP_EX_INVALID): Likewise.
(FP_EX_OVERFLOW): Likewise.
(FP_EX_UNDERFLOW): Likewise.
(FP_EX_DIVZERO): Likewise.
(FP_EX_INEXACT): Likewise.
(FP_EX_ALL): Likewise.
(__sfp_handle_exceptions): Likewise.
(FP_HANDLE_EXCEPTIONS): Likewise.
(FP_RND_NEAREST): Likewise.
(FP_RND_ZERO): Likewise.
(FP_RND_PINF): Likewise.
(FP_RND_MINF): Likewise.
(FP_RND_MASK): Likewise.
(_FP_DECL_EX): Likewise.
(FP_INIT_ROUNDMODE): Likewise.
(FP_ROUNDMODE): Likewise.

* configure.ac (powerpc*-*-linux*): Check whether the PowerPC
compiler can do __float128.
* configure: Regenerate.

* libgcc/config.host (powerpc*-*-linux*): If compiler can compile
VSX code, enable IEEE 128-bit floating point.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232346 138bc75d-0d04-0410-961f-82ee72b054a4

Improve warning locations (PR66208)

PR c/66208
* c-common.c (check_function_nonnull): Remove unnecessary declaration.
Add new arg loc and pass it down as context.
(check_nonnull_arg): Don't mark ctx arg as unused. Use it as a pointer
to the location to use for the warning.
(check_function_arguments): New arg loc.  All callers changed.  Pass
it to check_function_nonnull.
* c-common.h (check_function_arguments): Adjust declaration.

testsuite/
PR c/66208
* c-c++-common/pr66208.c: New file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232345 138bc75d-0d04-0410-961f-82ee72b054a4

PR tree-optimization/69156
* gimple.c (validate_type): Removed.
(gimple_builtin_call_types_compatible_p): Use
useless_type_conversion_p instead of validate_type.
* value-prof.c (gimple_stringop_fixed_value): Fold
icall_size to correct type.

* gcc.dg/pr69156.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232342 138bc75d-0d04-0410-961f-82ee72b054a4

Clarify __atomic_compare_exchange effects

* doc/extend.texi (__atomic Builtins): Clarify compare_exchange
effects.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232341 138bc75d-0d04-0410-961f-82ee72b054a4

Add another testcase for x86 FLT_EVAL_METHOD

* gcc.target/i386/pr69225-7.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232331 138bc75d-0d04-0410-961f-82ee72b054a4

PR 68964

gcc/
 PR tree-opt/68964
 * target.def (builtin_tm_load, builtin_tm_store): Remove.
 * config/i386/i386.c (ix86_builtin_tm_load): Remove.
 (ix86_builtin_tm_store): Remove.
 (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
 * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_TM_LOAD): Remove.
 (TARGET_VECTORIZE_BUILTIN_TM_STORE): Remove.
 * doc/tm.texi: Rebuild.
 * gtm-builtins.def (BUILT_IN_TM_MEMCPY_RNWT): New.
 (BUILT_IN_TM_MEMCPY_RTWN): New.
 * trans-mem.c (tm_log_emit_stmt): Rearrange code for better
 fallback from vector to integer helpers.
 (build_tm_load): Handle vector types directly, instead of
 via target hook.
 (build_tm_store): Likewise.
 (expand_assign_tm): Prepare for register types not handled by
 the above.  Copy them to memory and use memcpy.
 * tree.c (tm_define_builtin): New.
 (find_tm_vector_type): New.
 (build_tm_vector_builtins): New.
 (build_common_builtin_nodes): Call it.

libitm/
 * Makefile.am (libitm_la_SOURCES) [ARCH_AARCH64]: Add vect128.cc
 (libitm_la_SOURCES) [ARCH_ARM]: Add neon.cc
 (libitm_la_SOURCES) [ARCH_PPC]: Add vect128.cc
 (libitm_la_SOURCES) [ARCH_S390]: Add vect128.cc
 * configure.ac (ARCH_AARCH64): New conditional.
 (ARCH_PPC, ARCH_S390): Likewise.
 * Makefile.in, configure: Rebuild.
 * libitm.h (_ITM_TYPE_M128): Always define.
 * vect64.cc: Split ...
 * vect128.cc: ... out of...
 * config/x86/x86_sse.cc: ... here.
 * config/arm/neon.cc: New file.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232330 138bc75d-0d04-0410-961f-82ee72b054a4

* gcc.target/i386/pr45685.c (dg-options): Add -mno-sse4.
* gcc.target/i386/pr68432-1.c (dg-options): Ditto.
* gcc.target/i386/pr68432-2.c (dg-options): Ditto.
* gcc.target/i386/pr68432-3.c (dg-options): Ditto.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232329 138bc75d-0d04-0410-961f-82ee72b054a4

* config/i386/i386.h (TARGET_FLT_EVAL_METHOD): Return -1 for
TARGET_SSE_MATH without TARGET_SSE2.  Rewrite.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232328 138bc75d-0d04-0410-961f-82ee72b054a4

Use ::isinf and ::isnan if libc defines them

PR libstdc++/48891
* acinclude.m4 (GLIBCXX_CHECK_MATH11_PROTO): Check for obsolete isinf
and isnan functions.
* config.h.in: Regenerate.
* configure: Regenerate.
* include/c_global/cmath (isinf(double), isnan(double))
[_GLIBCXX_HAVE_OBSOLETE_ISINF_ISNAN]: Import via using-directive.
* testsuite/26_numerics/headers/cmath/48891.cc: New.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232327 138bc75d-0d04-0410-961f-82ee72b054a4

Fix infinite recursion in create_variable_info_for_1

PR tree-optimization/69169
* tree-ssa-structalias.c (create_variable_info_for_1): Add and handle
handled_struct_type param.
(create_variable_info_for, intra_create_variable_infos): Call
create_variable_info_for_1 with extra arg.

* gcc.dg/pr69169.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232326 138bc75d-0d04-0410-961f-82ee72b054a4

2016-01-13  Yvan Roux  <yvan.roux@linaro.org>

* config/arm/arm-arches.def: Remove spurious whitespace in "armv8.1-a"
and "armv8.1-a+crc" entries.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232325 138bc75d-0d04-0410-961f-82ee72b054a4

AVX512: Restrict default masks for prefetch gather/scatter
instructions.

gcc/

PR target/69228
* config/i386/sse.md (define_expand "avx512pf_gatherpf<mode>sf"):
Change first operand predicate from register_or_constm1_operand
to register_operand.
(define_expand "avx512pf_gatherpf<mode>df"): Likewise.
(define_expand "avx512pf_scatterpf<mode>sf"): Likewise.
(define_expand "avx512pf_scatterpf<mode>df"): Likewise.
(define_insn "*avx512pf_gatherpf<mode>sf"): Remove.
(define_insn "*avx512pf_gatherpf<mode>df"): Likewise.
(define_insn "*avx512pf_scatterpf<mode>sf"): Likewise.
(define_insn "*avx512pf_scatterpf<mode>df"): Likewise.
* config/i386/i386.c (ix86_expand_builtin): Remove first operand
comparison with constm1_rtx from vec_prefetch_gen part.

gcc/testsuite

PR target/69228
* gcc.target/i386/avx512pf-vscatterpf0dpd-1.c: Adjust.
* gcc.target/i386/avx512pf-vscatterpf0dps-1.c: Likewise.
* gcc.target/i386/avx512pf-vscatterpf0qpd-1.c: Likewise.
* gcc.target/i386/avx512pf-vscatterpf0qps-1.c: Likewise.
* gcc.target/i386/avx512pf-vscatterpf1dpd-1.c: Likewise.
* gcc.target/i386/avx512pf-vscatterpf1dps-1.c: Likewise.
* gcc.target/i386/avx512pf-vscatterpf1qpd-1.c: Likewise.
* gcc.target/i386/avx512pf-vscatterpf1qps-1.c: Likewise.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232324 138bc75d-0d04-0410-961f-82ee72b054a4

libitm: Fix privatization safety interaction with serial mode.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232322 138bc75d-0d04-0410-961f-82ee72b054a4

2016-01-13  Richard Biener  <rguenther@suse.de>

PR tree-optimization/69013
* tree-ssa-uninit.c (prune_uninit_phi_opnds_in_unrealizable_paths):
Exchange assert for a test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232320 138bc75d-0d04-0410-961f-82ee72b054a4

missed test

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@232319 138bc75d-0d04-0410-961f-82ee72b054a4