Added support for ARMV8-M Security Extension cmse_nonsecure_caller intrinsic

    gcc/ChangeLog:
    2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
Thomas Preud'homme  <thomas.preudhomme@arm.com>

* config/arm/arm-builtins.c (arm_builtins): Define
ARM_BUILTIN_CMSE_NONSECURE_CALLER.
(bdesc_2arg): Add line for cmse_nonsecure_caller.
(arm_init_builtins): Handle cmse_nonsecure_caller.
(arm_expand_builtin): Likewise.
* config/arm/arm_cmse.h (cmse_nonsecure_caller): New.

    gcc/testsuite/ChangeLog:
    2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
Thomas Preud'homme  <thomas.preudhomme@arm.com>

* gcc.target/arm/cmse/cmse-1.c: Add test for
cmse_nonsecure_caller.

Co-Authored-By: Thomas Preud'homme <thomas.preudhomme@arm.com>
From-SVN: r243193

ARMv8-M Security Extension's cmse_nonsecure_call: use __gnu_cmse_nonsecure_call

    gcc/ChangeLog:
    2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
Thomas Preud'homme  <thomas.preudhomme@arm.com>

* config/arm/arm.c (detect_cmse_nonsecure_call): New.
(cmse_nonsecure_call_clear_caller_saved): New.
(arm_reorg): Use cmse_nonsecure_call_clear_caller_saved.
(arm_function_ok_for_sibcall): Disable sibcalls for
cmse_nonsecure_call.
* config/arm/arm-protos.h (detect_cmse_nonsecure_call): New.
* config/arm/arm.md (call): Handle cmse_nonsecure_entry.
(call_value): Likewise.
(nonsecure_call_internal): New.
(nonsecure_call_value_internal): New.
* config/arm/thumb1.md (*nonsecure_call_reg_thumb1_v5): New.
(*nonsecure_call_value_reg_thumb1_v5): New.
* config/arm/thumb2.md (*nonsecure_call_reg_thumb2): New.
(*nonsecure_call_value_reg_thumb2): New.
* config/arm/unspecs.md (UNSPEC_NONSECURE_MEM): New.

    libgcc/ChangeLog:
    2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
       Thomas Preud'homme  <thomas.preudhomme@arm.com>

* config/arm/cmse_nonsecure_call.S: New.
* config/arm/t-arm: Compile cmse_nonsecure_call.S

    gcc/testsuite/ChangeLog:
    2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
Thomas Preud'homme  <thomas.preudhomme@arm.com>

* gcc.target/arm/cmse/cmse.exp: Run tests in mainline dir.
* gcc.target/arm/cmse/cmse-9.c: Added some extra tests.
* gcc.target/arm/cmse/cmse-14.c: New.
* gcc.target/arm/cmse/baseline/bitfield-4.c: New.
* gcc.target/arm/cmse/baseline/bitfield-5.c: New.
* gcc.target/arm/cmse/baseline/bitfield-6.c: New.
* gcc.target/arm/cmse/baseline/bitfield-7.c: New.
* gcc.target/arm/cmse/baseline/bitfield-8.c: New.
* gcc.target/arm/cmse/baseline/bitfield-9.c: New.
* gcc.target/arm/cmse/baseline/bitfield-and-union-1.c: New.
* gcc.target/arm/cmse/baseline/cmse-11.c: New.
* gcc.target/arm/cmse/baseline/cmse-13.c: New.
* gcc.target/arm/cmse/baseline/cmse-6.c: New.
* gcc.target/arm/cmse/baseline/union-1.c: New.
* gcc.target/arm/cmse/baseline/union-2.c: New.
* gcc.target/arm/cmse/mainline/bitfield-4.c: New.
* gcc.target/arm/cmse/mainline/bitfield-5.c: New.
* gcc.target/arm/cmse/mainline/bitfield-6.c: New.
* gcc.target/arm/cmse/mainline/bitfield-7.c: New.
* gcc.target/arm/cmse/mainline/bitfield-8.c: New.
* gcc.target/arm/cmse/mainline/bitfield-9.c: New.
* gcc.target/arm/cmse/mainline/bitfield-and-union-1.c: New.
* gcc.target/arm/cmse/mainline/union-1.c: New.
* gcc.target/arm/cmse/mainline/union-2.c: New.
* gcc.target/arm/cmse/mainline/hard-sp/cmse-13.c: New.
* gcc.target/arm/cmse/mainline/hard-sp/cmse-7.c: New.
* gcc.target/arm/cmse/mainline/hard-sp/cmse-8.c: New.
* gcc.target/arm/cmse/mainline/hard/cmse-13.c: New.
* gcc.target/arm/cmse/mainline/hard/cmse-7.c: New.
* gcc.target/arm/cmse/mainline/hard/cmse-8.c: New.
* gcc.target/arm/cmse/mainline/soft/cmse-13.c: New.
* gcc.target/arm/cmse/mainline/soft/cmse-7.c: New.
* gcc.target/arm/cmse/mainline/soft/cmse-8.c: New.
* gcc.target/arm/cmse/mainline/softfp-sp/cmse-7.c: New.
* gcc.target/arm/cmse/mainline/softfp-sp/cmse-8.c: New.
* gcc.target/arm/cmse/mainline/softfp/cmse-13.c: New.
* gcc.target/arm/cmse/mainline/softfp/cmse-7.c: New.
* gcc.target/arm/cmse/mainline/softfp/cmse-8.c: New.

Co-Authored-By: Thomas Preud'homme <thomas.preudhomme@arm.com>
From-SVN: r243192

Handling ARMv8-M Security Extension's cmse_nonsecure_call attribute

    gcc/ChangeLog:
    2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
        Thomas Preud'homme  <thomas.preudhomme@arm.com>

* config/arm/arm.c (gimplify.h): New include.
(arm_handle_cmse_nonsecure_call): New.
(arm_attribute_table): Added cmse_nonsecure_call.
(arm_comp_type_attributes): Deny compatibility of function types
with without the cmse_nonsecure_call attribute.
* doc/extend.texi (ARM ARMv8-M Security Extensions): New attribute.

    gcc/testsuite/ChangeLog:
    2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
        Thomas Preud'homme  <thomas.preudhomme@arm.com>

* gcc.target/arm/cmse/cmse-3.c: Add tests.
* gcc.target/arm/cmse/cmse-4.c: Add tests.
* gcc.target/arm/cmse/cmse-15.c: New.

Co-Authored-By: Thomas Preud'homme <thomas.preudhomme@arm.com>
From-SVN: r243191

ARMv8-M Security Extension's cmse_nonsecure_entry: clear registers

    gcc/ChangeLog:
    2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
Thomas Preud'homme  <thomas.preudhomme@arm.com>

* config/arm/arm.c (output_return_instruction): Clear
registers.
(thumb2_expand_return): Likewise.
(thumb1_expand_epilogue): Likewise.
(thumb_exit): Likewise.
(arm_expand_epilogue): Likewise.
(cmse_nonsecure_entry_clear_before_return): New.
(comp_not_to_clear_mask_str_un): New.
(compute_not_to_clear_mask): New.
* config/arm/thumb1.md (*epilogue_insns): Change length attribute.
* config/arm/thumb2.md (*thumb2_return): Disable for
cmse_nonsecure_entry functions.
(*thumb2_cmse_entry_return): Duplicate thumb2_return pattern for
cmse_nonsecure_entry functions.

    gcc/testsuite/ChangeLog:
    2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
Thomas Preud'homme  <thomas.preudhomme@arm.com>

* gcc.target/arm/cmse/cmse.exp: Test different multilibs separate.
* gcc.target/arm/cmse/struct-1.c: New.
* gcc.target/arm/cmse/bitfield-1.c: New.
* gcc.target/arm/cmse/bitfield-2.c: New.
* gcc.target/arm/cmse/bitfield-3.c: New.
* gcc.target/arm/cmse/baseline/cmse-2.c: New.
* gcc.target/arm/cmse/baseline/softfp.c: New.
* gcc.target/arm/cmse/mainline/soft/cmse-5.c: New.
* gcc.target/arm/cmse/mainline/hard/cmse-5.c: New.
* gcc.target/arm/cmse/mainline/hard-sp/cmse-5.c: New.
* gcc.target/arm/cmse/mainline/softfp/cmse-5.c: New.
* gcc.target/arm/cmse/mainline/softfp-sp/cmse-5.c: New.

Co-Authored-By: Thomas Preud'homme <thomas.preudhomme@arm.com>
From-SVN: r243190

ARMv8-M Security Extension's cmse_nonsecure_entry: __acle_se label and bxns
return

    gcc/ChangeLog:
    2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
    Thomas Preud'homme  <thomas.preudhomme@arm.com>

* config/arm/arm.c (use_return_insn): Change to return with  bxns
when cmse_nonsecure_entry.
(output_return_instruction): Likewise.
(arm_output_function_prologue): Likewise.
(thumb_pop): Likewise.
(thumb_exit): Likewise.
(thumb2_expand_return): Assert that entry functions always have simple
returns.
(arm_expand_epilogue): Handle entry functions.
(arm_function_ok_for_sibcall): Disable sibcall for entry functions.
(arm_asm_declare_function_name): New.
* config/arm/arm-protos.h (arm_asm_declare_function_name): New.
* config/arm/elf.h (ASM_DECLARE_FUNCTION_NAME): Redefine to
use arm_asm_declare_function_name.

    gcc/testsuite/ChangeLog:
    2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
Thomas Preud'homme  <thomas.preudhomme@arm.com>

* gcc.target/arm/cmse/cmse-4.c: New.
* gcc.target/arm/cmse/cmse-9.c: New.
* gcc.target/arm/cmse/cmse-10.c: New.

Co-Authored-By: Thomas Preud'homme <thomas.preudhomme@arm.com>
From-SVN: r243189

Handling ARMv8-M Security Extension's cmse_nonsecure_entry attribute

    gcc/ChangeLog:
    2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
    Thomas Preud'homme  <thomas.preudhomme@arm.com>

* config/arm/arm.c (arm_handle_cmse_nonsecure_entry): New.
(arm_attribute_table): Added cmse_nonsecure_entry
(arm_compute_func_type): Handle cmse_nonsecure_entry.
(cmse_func_args_or_return_in_stack): New.
(arm_handle_cmse_nonsecure_entry): New.
* config/arm/arm.h (ARM_FT_CMSE_ENTRY): New macro define.
(IS_CMSE_ENTRY): Likewise.
* doc/extend.texi (ARM ARMv8-M Security Extensions): New attribute.

    gcc/testsuite/ChangeLog:
    2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
    Thomas Preud'homme  <thomas.preudhomme@arm.com>

* gcc.target/arm/cmse/cmse-3.c: New.

Co-Authored-By: Thomas Preud'homme <thomas.preudhomme@arm.com>
From-SVN: r243188

Add support for ARMv8-M's Secure Extensions flag and intrinsics

    gcc/ChangeLog:
    2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
        Thomas Preud'homme  <thomas.preudhomme@arm.com>

* config.gcc (extra_headers): Added arm_cmse.h.
* config/arm/arm-arches.def (ARM_ARCH):
(armv8-m): Add FL2_CMSE.
(armv8-m.main): Likewise.
(armv8-m.main+dsp): Likewise.
* config/arm/arm-c.c
(arm_cpu_builtins): Added __ARM_FEATURE_CMSE macro.
* config/arm/arm-flags.h: Define FL2_CMSE.
* config/arm.c (arm_arch_cmse): New.
(arm_option_override): New error for unsupported cmse target.
* config/arm/arm.h (arm_arch_cmse): New.
* config/arm/arm.opt (mcmse): New.
* config/arm/arm_cmse.h: New file.
* doc/invoke.texi (ARM Options): Add -mcmse.
* doc/sourcebuild.texi (arm_cmse_ok): Add new effective target.
* doc/extend.texi: Add ARMv8-M Security Extensions entry.

    gcc/testsuite/ChangeLog:
    2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
        Thomas Preud'homme  <thomas.preudhomme@arm.com>

* gcc.target/arm/cmse/cmse.exp: New.
* gcc.target/arm/cmse/cmse-1.c: New.
* gcc.target/arm/cmse/cmse-12.c: New.
* lib/target-supports.exp
(check_effective_target_arm_cmse_ok): New.

    libgcc/ChangeLog:
    2016-12-02  Andre Vieira  <andre.simoesdiasvieira@arm.com>
    Thomas Preud'homme  <thomas.preudhomme@arm.com>

* config/arm/t-arm (HAVE_CMSE): New.
* config/arm/cmse.c: New.

Co-Authored-By: Thomas Preud'homme <thomas.preudhomme@arm.com>
From-SVN: r243187

avr.c: Fix coding rule glitches.

* config/avr/avr.c: Fix coding rule glitches.

From-SVN: r243186

c-parser.c (c_parser_pragma): Error when PRAGMA_OACC_{ENTER_DATA...

gcc/c/
* c-parser.c (c_parser_pragma): Error when PRAGMA_OACC_{ENTER_DATA,
EXIT_DATA,WAIT} are not used in compound statements.
(c_parser_oacc_enter_exit_data): Update diagnostics.

gcc/cp/
* parser.c (cp_parser_oacc_enter_exit_data): Update diagnostics.
(cp_parser_pragma): Error when PRAGMA_OACC_{ENTER_DATA,
EXIT_DATA,WAIT} are not used in compound statements.

gcc/testsuite/
* c-c++-common/goacc/data-2.c: Adjust test.
* c-c++-common/goacc/executeables-1.c: New test.
* g++.dg/goacc/data-1.C: Adjust test.

Co-Authored-By: James Norris <jnorris@codesourcery.com>
From-SVN: r243185

[hsa] Exclude parallel outlines from hsa_callable_functions_p

2016-12-09  Martin Jambor  <mjambor@suse.cz>

* hsa.c (hsa_callable_function_p): Return false for artificial
functions.

From-SVN: r243184

[Patch 2/2 PR78561] Recalculate constant pool size before emitting it

gcc/

PR rtl-optimization/78561
* varasm.c (recompute_pool_offsets): New.
(output_constant_pool): Call it.

gcc/testsuite/

PR rtl-optimization/78561
* gcc.target/aarch64/pr78561.c: New.

From-SVN: r243183

[Patch 1/2 PR78561] Rename get_pool_size to get_pool_size_upper_bound

gcc/

PR rtl-optimization/78561
* config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p) Rename
get_pool_size to get_pool_size_upper_bound.
(rs6000_stack_info): Likewise.
(rs6000_emit_prologue): Likewise.
(rs6000_elf_declare_function_name): Likewise.
(rs6000_set_up_by_prologue): Likewise.
(rs6000_can_eliminate): Likewise, reformat spaces to tabs.
* output.h (get_pool_size): Rename to...
(get_pool_size_upper_bound): ...This.
* varasm.c (get_pool_size): Rename to...
(get_pool_size_upper_bound): ...This.

From-SVN: r243182

[RTEMS] Use spin lock for pool management

libgomp/

* libgomp/config/rtems/pool.h (gomp_thread_pool_reservoir): Use
pthread_spinlock_t instead of gomp_mutex_t lock.
(gomp_get_thread_pool): Likewise.
(gomp_release_thread_pool): Likewise.
* libgomp/config/rtems/proc.c (allocate_thread_pool_reservoir):
Likewise.

From-SVN: r243181

match.pd: Add new pattern: (cond (cmp (convert?

* match.pd: Add new pattern:
(cond (cmp (convert? x) c1) (op x c2) c3) -> (op (minmax x c1) c2).
gcc/testsuite
* gcc.dg/fold-bopcond-1.c: New test.
* gcc.dg/fold-bopcond-2.c: New test.

From-SVN: r243180

[RTEMS] Fix libgomp for nthreads == 1

libgomp/

        * config/rtems/pool.h (gomp_get_thread_pool): Return proper
        thread pool in case nthreads == 1.

From-SVN: r243179

call.c (add_function_candidate): Also exclude inherited ctors that take a type reference-related to the derived...

* call.c (add_function_candidate): Also exclude inherited ctors
that take a type reference-related to the derived class.

From-SVN: r243178

diagnostic.c (diagnostic_report_diagnostic): Remove extraneous braces.

* diagnostic.c (diagnostic_report_diagnostic): Remove extraneous
braces.

From-SVN: r243177

S/390: Fix setmem-long test.

Adding a " in the scan-assembler pattern is necessary because of a
recent change in print-rtl.c.

gcc/testsuite/ChangeLog:

2016-12-02  Dominik Vogt  <vogt@linux.vnet.ibm.com>

* gcc.target/s390/md/setmem_long-1.c: Fix test.

From-SVN: r243176

re PR middle-end/78328 (wrong wording for unbounded alloc case in -Walloca-larger-than note)

PR middle-end/78328
* gimple-ssa-warn-alloca.c (alloca_call_type): Handle
VR_ANTI_RANGE.

From-SVN: r243174

S/390: Fix RTL sharing when generating reg note.

gcc/ChangeLog:

2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

* config/s390/s390.c (s390_save_gprs_to_fprs): Fix RTL sharing
problem.

From-SVN: r243173

avr-arch.h (avr_mcu_t): Remove field.

* config/avr/avr-arch.h (avr_mcu_t) [n_flash]: Remove field.
* config/avr/avr-devices.c (AVR_MCU): Remove N_FLASH macro argument.
* config/avr/avr-mcus.def (AVR_MCU): Remove initializer for n_flash.
* config/avr/avr.c (avr_set_core_architecture) [avr_n_flash]: Use
avr_mcu_types.flash_size to compute default value.
* config/avr/gen-avr-mmcu-specs.c (print_mcu) [cc1_n_flash]: Use
mcu->flash_size to compute value for spec.

From-SVN: r243171

invoke.texi (AVR Options): Point to absdata.

* doc/invoke.texi (AVR Options) [-mabsdata]: Point to absdata.
* doc/extend.texi (AVR Variable Attributes) [progmem]: Hint
about linker description to avoid progmem altogether.
[absdata]: Point to -mabsdata option.

From-SVN: r243170

re PR rtl-optimization/78547 (ICE: in loc_cmp, at var-tracking.c:3417 with -Os -g -mstringop-strategy=libcall -freorder-blocks-algorithm=simple)

PR rtl-optimization/78547
* emit-rtl.c (unshare_all_rtl): Make sure DECL_RTL and
DECL_INCOMING_RTL is not shared.
* config/i386/i386.c (convert_scalars_to_vectors): If any
insns have been converted, adjust all parameter's DEC_RTL and
DECL_INCOMING_RTL back from V1TImode to TImode if the parameters have
TImode.

* gcc.dg/pr78547.c: New test.

From-SVN: r243165

re PR rtl-optimization/78575 (ICE: in trunc_int_for_mode, at explow.c:55 with -O2 -g)

PR rtl-optimization/78575
* config/i386/i386.c (timode_scalar_chain::fix_debug_reg_uses): Use
DF infrastructure to wrap all V1TImode reg uses into TImode subreg
if not already wrapped in a subreg.  Make sure df_insn_rescan does not
affect further iterations.

* gcc.dg/pr78575.c: New test.

From-SVN: r243164

Fix runtime error: left shift of negative value (PR

PR ipa/78555
* sreal.c (sreal::to_int): Make absolute value before shifting.
(sreal::operator/): Likewise.
(sreal_verify_negative_division): New test.
(void sreal_c_tests): Call the new test.
* sreal.h (sreal::normalize_up): Use new SREAL_ABS and
SREAL_SIGN macros.
(sreal::normalize_down): Likewise.

From-SVN: r243163

Do not simplify "(and (reg) (const bit)" to if_then_else.

combine_simplify_rtx() tries to replace rtx expressions with just two
possible values with an experession that uses if_then_else:

  (if_then_else (condition) (value1) (value2))

If the original expression is e.g.

  (and (reg) (const_int 2))

where the constant is the mask for a single bit, the replacement results
in a more complex expression than before:

  (if_then_else (ne (zero_extract (reg) (1) (31))) (2) (0))

Similar replacements are done for

  (signextend (and ...))
  (zeroextend (and ...))

Suppress the replacement this special case in if_then_else_cond().

gcc/ChangeLog:

2016-12-02  Dominik Vogt  <vogt@linux.vnet.ibm.com>

* combine.c (combine_simplify_rtx):  Suppress replacement of
"(and (reg) (const_int bit))" with "if_then_else".

From-SVN: r243162

S/390: Fix litpool-r3-1.c.

gcc/testsuite/ChangeLog:

2016-12-02  Dominik Vogt  <vogt@linux.vnet.ibm.com>

* gcc.target/s390/litpool-r3-1.c: Fix label number test.

From-SVN: r243161

PR target/77822: S390: Validate argument range of {zero,sign}_extract.

With some undefined code, combine generates patterns where the arguments to
*_extract are out of range, e.b. a negative bit position.  If the s390 backend
accepts these, they lead to not just undefined behaviour but invalid assembly
instructions (argument out of the allowed range).  So this patch makes sure
that the rtl expressions with out of range arguments are rejected.

gcc/ChangeLog:

2016-12-02  Dominik Vogt  <vogt@linux.vnet.ibm.com>

PR target/77822
* config/s390/s390.md ("extzv")
("*extzv<mode><clobbercc_or_nocc>")
("*extzvdi<clobbercc_or_nocc>_lshiftrt")
("*<risbg_n>_ior_and_sr_ze")
("*extract1bitdi<clobbercc_or_nocc>")
("*insv<mode><clobbercc_or_nocc>", "*insv_rnsbg_noshift")
("*insv_rnsbg_srl", "*insv<mode>_mem_reg")
("*insvdi_mem_reghigh", "*insvdi_reg_imm"): Use EXTRACT_ARGS_IN_RANGE
to validate the arguments of zero_extract and sign_extract.

gcc/testsuite/ChangeLog:

2016-12-02  Dominik Vogt  <vogt@linux.vnet.ibm.com>

PR target/77822
* gcc.target/s390/s390.exp: Support .C tests.
* gcc.target/s390/pr77822-2.c: New test.
* gcc.target/s390/pr77822-1.C: New test.

From-SVN: r243160

PR target/77822: Add helper macro EXTRACT_ARGS_IN_RANGE to system.h.

The macro can be used to validate the arguments of zero_extract and
sign_extract to fix this problem:
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77822

gcc/ChangeLog:

2016-12-02  Dominik Vogt  <vogt@linux.vnet.ibm.com>

PR target/77822
* rtl.h (EXTRACT_ARGS_IN_RANGE): New.

From-SVN: r243159

S/390: Define vectorization_cost hook

Define the vectorization_cost hook.  The only change right now
compared to the default implementation is the reduced costs for
unaligned loads/stores.  This is supposed to prevent unnecessary loop
peeling performed to reach better alignments.

Further tuning of this hook is required.

-Andreas-

gcc/ChangeLog:

2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

* gcc/config/s390/s390.c (s390_builtin_vectorization_cost): New
function.
(TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Define target
macro.

gcc/testsuite/ChangeLog:

2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

* gcc.target/s390/vector/vec-nopeel-1.c: New test.

From-SVN: r243158

S/390: Add vector pack/unpack patterns.

gcc/ChangeLog:

2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

* config/s390/vector.md (vec_halfhalf): New mode iterator.
("vec_pack_trunc_<mode>", "vec_pack_ssat_<mode>")
("vec_pack_usat_<mode>", "vec_unpacks_hi_v16qi")
("vec_unpacks_low_v16qi", "vec_unpacku_hi_v16qi")
("vec_unpacku_low_v16qi", "vec_unpacks_hi_v8hi")
("vec_unpacks_lo_v8hi", "vec_unpacku_hi_v8hi")
("vec_unpacku_lo_v8hi", "vec_unpacks_hi_v4si")
("vec_unpacks_lo_v4si", "vec_unpacku_hi_v4si")
("vec_unpacku_lo_v4si"): New pattern definitions.
* config/s390/vx-builtins.md: Move VI_HW_HSD mode iterator to
vector.md.

From-SVN: r243157

Add testcase missing in last commit.

gcc/testsuite/ChangeLog:

2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

* gcc.target/s390/zvector/vec-cmp-2.c: New test.

From-SVN: r243156

S/390: Merge compare of compare results

With this patch EQ and NE compares on CC mode reader patterns are
folded.  This allows using the result of the vec_all_* and vec_any_*
builtins directly in a conditional jump instruction as in the attached
testcase.

gcc/ChangeLog:

2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

* config/s390/s390-protos.h (s390_reverse_condition): New
prototype.
* config/s390/s390.c (s390_canonicalize_comparison): Fold compares
of CC mode values.
(s390_reverse_condition): New function.
* config/s390/s390.h (REVERSE_CC_MODE, REVERSE_CONDITION): Define
target macros.

gcc/testsuite/ChangeLog:

2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

* gcc.target/s390/zvector/vec-cmp-2.c: New test.

From-SVN: r243155

S/390: Fix vector all/any cc modes.

This fixes a problem with the vector compares producing CC mode
results.

The instructions produce condition code modes which can be either
interpreted to check an ALL elements or an ANY element result.  As the
modes where used before they could not be inverted by the middle-end
by inverting the comparison code (e.g. eq to ne).  The result usually
was just wrong.

In fact inverting a comparison code on an CCVALL mode would require to
also change the mode to CCVANY but this cannot be done easily in the
middle-end.  With this patch the meaning of an ALL cc mode only refers
to the not-inverted comparison code (e.g. eq, gt, ge).  With that
change inverting the comparison code matches a not operation on the
condition code mask again.

Bootstrapped and regression tested on s390 and s390x.

Bye,

-Andreas-

gcc/testsuite/ChangeLog:

2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

* gcc.target/s390/vector/vec-scalar-cmp-1.c: Fix and harden the
pattern checks.
* gcc.target/s390/zvector/vec-cmp-1.c: New test.

gcc/ChangeLog:

2016-12-02  Andreas Krebbel  <krebbel@linux.vnet.ibm.com>

* config/s390/s390-modes.def (CCVEQANY, CCVH, CCVHANY, CCVHU)
(CCVHUANY): Remove modes.
(CCVIH, CCVIHU, CCVIALL, CCVIANY, CCVFALL, CCVFANY): Add modes and
documentation.
* config/s390/s390.c (s390_match_ccmode_set): Rename cc modes.
(s390_expand_vec_compare_scalar): Pick one of the cc consumer
modes.
(s390_branch_condition_mask): Adjust to use the new cc consumer
modes.  The new modes allow for proper reversal in the middle-end.
(s390_expand_vec_compare_cc): Determine the proper cc producer and
consumer modes for a comparison.
* config/s390/s390.md: Rename CCVH to CCVIH and CCVHU to CCVIHU
throughout the file.
* config/s390/vx-builtins.md: Likewise.

From-SVN: r243154

Add support for ASan odr_indicator.

config/

        * bootstrap-asan.mk: Replace LSAN_OPTIONS=detect_leaks=0 with
        ASAN_OPTIONS=detect_leaks=0:use_odr_indicator=1.

gcc/

        * asan.c (asan_global_struct): Refactor.
        (create_odr_indicator): New function.
        (asan_needs_odr_indicator_p): Likewise.
        (is_odr_indicator): Likewise.
        (asan_add_global): Introduce odr_indicator_ptr. Pass it into global's
        constructor.
        (asan_protect_global): Do not protect odr indicators.

gcc/c-family/

* c-attribs.c (asan odr indicator): New attribute.
(handle_asan_odr_indicator_attribute): New function.

gcc/testsuite/

        * c-c++-common/asan/no-redundant-odr-indicators-1.c: New test.

From-SVN: r243153

* tree-ssa-threadedge.c
(record_temporary_equivalences_from_stmts_at_dest): Avoid temporary
propagation of operands if there are no operands.

From-SVN: r243152

Daily bump.

From-SVN: r243150

re PR tree-optimization/78586 (Wrong code caused by printf-return-value)

PR tree-optimization/78586
* gimple-ssa-sprintf.c (format_integer): Don't handle NOP_EXPR,
CONVERT_EXPR or COMPONENT_REF here.  Formatting fix.  For
SSA_NAME_DEF_STMT with NOP_EXPR only change argtype if the rhs1's
type is INTEGER_TYPE or POINTER_TYPE.

From-SVN: r243145

re PR fortran/77505 (Negative character length not treated as LEN=0)

2016-12-01  Elizebeth Punnoose  <elizebeth.punnoose@hpe.com>

PR fortran/77505
* trans-array.c (trans_array_constructor): Treat negative character
length as LEN = 0.

2016-12-01  Elizebeth Punnoose  <elizebeth.punnoose@hpe.com>

PR fortran/77505
* gfortran.dg/char_length_20.f90: New test.
* gfortran.dg/char_length_21.f90: Ditto.

From-SVN: r243143

acx.m4: Change "tail +16c" to "tail -c +17".

* config/acx.m4: Change "tail +16c" to "tail -c +17".
* configure: Regenerated.

From-SVN: r243142

re PR target/78577 (Fix define_insn operand types for vexturhlx, vexturhrx, vextuwlx, and vextuwrx patterns)

gcc/ChangeLog:

2016-12-01  Kelvin Nilsen  <kelvin@gcc.gnu.org>

PR target/78577
* config/rs6000/vsx.md (vextuhlx): Revise mode of operand 2.
(vextuhrx): Likewise.
(vextuwlx): Likewise.
(vextuwrx): Likewise.

From-SVN: r243141

* es.po: Update.

From-SVN: r243139

call.c (add_function_candidate): Exclude inherited copy/move ctors.

* call.c (add_function_candidate): Exclude inherited copy/move
ctors.

From-SVN: r243138

fix PR number

From-SVN: r243137

dwarf2out.c: fix jit issue with early_dwarf_finished

All of the jit testcases that generate debuginfo appear to have been
failing since r240228 on their 2nd in-process iteration on this
assertion in set_early_dwarf's ctor:

      gcc_assert (! early_dwarf_finished);

Root cause is that the global is never reset at the end of compilation,
which this patch fixes in the obvious way.

gcc/ChangeLog:
* dwarf2out.c (dwarf2out_c_finalize): Reset early_dwarf and
early_dwarf_finished.

From-SVN: r243136

sparc.opt (mlra): New target option.

* config/sparc/sparc.opt (mlra): New target option.
* config/sparc/sparc.c (TARGET_LRA_P): Define to...
(sparc_lra_p): ...this.  New function.
(D_MODES, DF_MODES): Add missing cast.
* config/sparc/sparc.md (*movsi_lo_sum, *movsi_high): Do not
provide these insns when flag_pic.
(sethi_di_medlow, losum_di_medlow, seth44, setm44, setl44, sethh,
setlm, sethm, setlo, embmedany_sethi, embmedany_losum,
embmedany_brsum, embmedany_textuhi, embmedany_texthi,
embmedany_textulo, embmedany_textlo): Likewise.
(sethi_di_medlow_embmedany_pic): Provide it only when flag_pic.

Co-Authored-By: David S. Miller <davem@davemloft.net>
From-SVN: r243135

re PR fortran/78279 (ICE in identical_array_ref, at fortran/dependency.c:104)

2016-12-01  Steven G. Kargl  <kargl@gcc.gnu.org>

PR fortran/78279
* dependency.c (identical_array_ref): Convert gcc_assert to conditional
and gfc_internal_error.

2016-12-01  Steven G. Kargl  <kargl@gcc.gnu.org>

PR fortran/78279
* gfortran.dg/pr78279.f90: New test.

From-SVN: r243131

compiler: add slice initializers to the GC root list

    As of https://golang.org/cl/32917 we can put slice initializers in the
    .data section.  The program can still change the values in those
    slices.  That means that if the slice elements can contain pointers,
    we need to register the entire initializer as a GC root.

    This would be straightforward except that we only have a Bexpression
    for the slice initializer, not an Expression.  So introduce a
    Backend_expression type that wraps a Bexpression as an Expression.

    The test case for this is https://golang.org/cl/33790.

    Reviewed-on: https://go-review.googlesource.com/33792

From-SVN: r243129

* testsuite/26_numerics/headers/cmath/hypot.cc: XFAIL on AIX.

From-SVN: r243127

re PR debug/66149 (ICE: tree check: expected field_decl, have template_decl in int_bit_position, at tree.h:5012 with -std=c++14 -gstabs)

PR debug/66419
PR c++/78235
* dbxout.c (dbxout_type_fields): Skip TEMPLATE_DECLs.

From-SVN: r243126

vec.h (vec<T, [...]): Guard call to memset if len-oldlen != 0.

2016-12-01  Richard Biener  <rguenther@suse.de>
    Prathamesh Kulkarni  <prathamesh.kulkarni@linaro.org>

* vec.h (vec<T, A, vl_embed>::quick_grow_cleared): Guard call to
memset if len-oldlen != 0.
(vec<T, va_heap, vl_ptr>::safe_grow_cleared): Likewise.

Co-Authored-By: Prathamesh Kulkarni <prathamesh.kulkarni@linaro.org>
From-SVN: r243125

* g++.dg/tls/pr77285-1.C: dg-add-options tls

From-SVN: r243124

i386.md (*andndi3_doubleword): Depend on TARGET_SSE2.

* config/i386/i386.md (*andndi3_doubleword): Depend on TARGET_SSE2.

From-SVN: r243121

Implement LWG 2766,

Swapping non-swappable types and LWG 2749,
swappable traits for variants.
* include/bits/move.h (swap(_Tp&, _Tp&)): Constrain
with __is_tuple_like.
* include/bits/stl_pair.h (swap(pair<_T1, _T2>&, pair<_T1, _T2>&)):
Add a deleted overload.
* include/bits/unique_ptr.h
(swap(unique_ptr<_Tp, _Dp>&, unique_ptr<_Tp, _Dp>&)): Likewise.
* include/std/array
(swap(array<_Tp, _Nm>&, array<_Tp, _Nm>&)): Likewise.
* include/std/optional
(swap(optional<_Tp>&, optional<_Tp>&)): Likewise.
* include/std/tuple (__is_tuple_like_impl, __is_tuple_like):
Move to type_traits.
(swap(tuple<_Elements...>&, tuple<_Elements...>&)): Add a deleted
overload.
* include/std/type_traits (__is_tuple_like_impl, __is_tuple_like):
New.
(swap(_Tp&, _Tp&)): Constrain with __is_tuple_like.
* include/std/utility (__is_tuple_like_impl): Move to type_traits.
* include/std/variant
(swap(variant<_Types...>&, variant<_Types...>&)):
Add a deleted overload.
* testsuite/20_util/optional/swap/2.cc: Add tests for disabled
swaps.
* testsuite/20_util/pair/swap_cxx17.cc: New.
* testsuite/20_util/tuple/swap_cxx17.cc: Likewise.
* testsuite/20_util/unique_ptr/specialized_algorithms/swap_cxx17.cc:
Likewise.
* testsuite/20_util/variant/compile.cc: Add tests for disabled
swaps.
* testsuite/23_containers/array/specialized_algorithms/swap_cxx17.cc:
New.
* testsuite/23_containers/array/tuple_interface/get_neg.cc: Adjust.
* testsuite/23_containers/array/tuple_interface/tuple_element_neg.cc:
Likewise.

From-SVN: r243120

avr.c: Fix coding rule glitches.

* config/avr/avr.c: Fix coding rule glitches.

From-SVN: r243118

[Patch testsuite obvious] Use setjmp, not sigsetjmp in gcc.dg/pr78582.c

gcc/testsuite/

* gcc.dg/pr78582.c (main): Call setjmp, not sigsetjmp.

From-SVN: r243116

Fix PR tree-optimization/78598 - tree-ssa-loop-prefetch.c:835:16: runtime error: signed integer overflow

Using bootstrap-ubsan gcc to build mplayer shows:

tree-ssa-loop-prefetch.c:835:16: runtime error: signed integer overflow:
288230376151711743 * 64 cannot be represented in type 'long int'

Here signed und unsigned integers are mixed in a division resulting in
bogus values: (-83 + 64ULL -1) / 64ULL) == 288230376151711743

Fixed by casting the unsigned parameter to signed.

PR tree-optimization/78598
* tree-ssa-loop-prefetch.c (ddown): Cast to signed to avoid
overflows.

From-SVN: r243113

Import libcilkrts Build 4467 (PR target/68945)

PR target/68945
Merge from upstream, version 2.0.4467.0.
Fix typo in git URL.
* aclocal.m4, configure, Makefile.in: Regenerate.

From-SVN: r243112

Fix rtl-optimization/78596 - combine.c:12561:14: runtime error: left shift of negative value

PR rtl-optimization/78596
* combine.c (simplify_comparison): Cast to unsigned to avoid
left shifting of negative value.

From-SVN: r243111

Remove svn conflict marker.

From-SVN: r243110

configure.ac: Don't use pkg-config to check for bdw-gc.

<toplevel>

        * configure.ac: Don't use pkg-config to check for bdw-gc.
        * configure: Regenerate.

config/

        * pkg.m4: Remove.

libobjc/

        * configure.ac: Don't use pkg-config to check for bdw-gc.
        * configure: Regenerate.

gcc/

        * doc/install.texi: Don't use pkg-config to check for bdw-gc.

From-SVN: r243108

tree-ssa-alias.c (indirect_refs_may_alias_p): Do not treat arrays with same type as objects that cannot overlap.

2016-12-01  Richard Biener  <rguenther@suse.de>

* tree-ssa-alias.c (indirect_refs_may_alias_p): Do not
treat arrays with same type as objects that cannot overlap.

* gcc.dg/torture/alias-2.c: New testcase.

From-SVN: r243107

tree-ssa-alias.c (indirect_refs_may_alias_p): Do not treat arrays with same type as objects that cannot overlap.

2016-12-01  Richard Biener  <rguenther@suse.de>

* tree-ssa-alias.c (indirect_refs_may_alias_p): Do not
treat arrays with same type as objects that cannot overlap.

* gcc.dg/torture/alias-2.c: New testcase.

From-SVN: r243106

tiny-memx.c: Only perform if target avr_tiny.

gcc/testsuite/
* gcc.target/avr/tiny-memx.c: Only perform if target avr_tiny.
* gcc.target/avr/tiny-caller-save.c: Dito.

From-SVN: r243105

avr.c (avr_print_operand): Use SYMBOL_REF_P if possible.

gcc/
* config/avr/avr.c (avr_print_operand): Use SYMBOL_REF_P if possible.
(avr_handle_addr_attribute, avr_asm_output_aligned_decl_common)
(avr_asm_asm_output_aligned_bss, avr_addr_space_convert): Dito.

From-SVN: r243104

coarray_lib_alloc_4.f90: Fix for 32-bits.

gcc/testsuite/ChangeLog:

2016-12-01  Andre Vehreschild  <vehre@gcc.gnu.org>

* gfortran.dg/coarray_lib_alloc_4.f90: Fix for 32-bits.

From-SVN: r243101

re PR debug/78587 (dwarf2out.c:1517:45: runtime error: negation of -9223372036854775808 cannot be represented in type 'long int [4]'; cast to an unsigned type to negate this value to itself)

PR debug/78587
* dwarf2out.c (loc_descr_plus_const): For negative offset use
uint_loc_descriptor instead of int_loc_descriptor and perform negation
in unsigned HOST_WIDE_INT type.
(scompare_loc_descriptor): Shift UINTVAL left instead of INTVAL.

* gcc.dg/debug/pr78587.c: New test.

From-SVN: r243100

re PR target/78614 (ICE error: invalid rtl sharing found in the insn (verify_rtx_sharing) gcc/emit-rtl.c:2743)

PR target/78614
* config/rs6000/rs6000.c (rs6000_frame_related): Call
set_used_flags (pat) before any simplifications.  Clear used flag on
PARALLEL copy.  Don't guard add_reg_note call.  Call
copy_rtx_if_shared on pat before storing it into
REG_FRAME_RELATED_EXPR.

From-SVN: r243099

The convertible_to traits need to use a variadic catch-all for the false-cases.

The convertible_to traits need to use a variadic catch-all for the
false-cases.
* include/std/istream (__is_convertible_to_basic_istream):
Change the parameter of the false-case of __check to a variadic.
* include/std/ostream (__is_convertible_to_basic_ostream):
Likewise.

From-SVN: r243098

[RS6000] fix rtl-checking internal compiler error

* gcc/config/rs6000/rs6000.c (insn_is_swappable_p): Properly
look inside UNSPEC_VSX_XXSPLTW vec.

From-SVN: r243097

crossconfig.m4 (*-linux*): Add link-check for memalign.

2016-12-01  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * crossconfig.m4 (*-linux*): Add link-check for memalign.
        * configure: Regenerated.

From-SVN: r243095

runtime: set isarchive in initsig

    The library initialization code in go-libmain.c sets the C variable
    runtime_isarchive but failed to set the Go variable runtime.isarchive.
    We don't currently have a way to let C code access an unexported Go
    variable, but fortunately the only time the Go function initsig is
    called with an argument of true is exactly where we want to set
    isarchive.  So let initsig do it.

    Reviewed-on: https://go-review.googlesource.com/33753

From-SVN: r243094

re PR libstdc++/71500 (regex::icase only works on first character in a range)

PR libstdc++/71500
* include/bits/regex.h (basic_regex::basic_regex): Use ECMAScript
when the syntax is not specified.
* include/bits/regex_compiler.h (_RegexTranslator,
_RegexTranslatorBase): Partially support icase in ranges.
* include/bits/regex_compiler.tcc (_BracketMatcher::_M_apply):
Refactor _M_apply to make the control flow easier to follow, and
call _M_translator._M_match_range as added previously.
* testsuite/28_regex/traits/char/icase.cc: Add new tests.
* testsuite/28_regex/traits/char/user_defined.cc: Add new tests.

From-SVN: r243093

combine: Emit a barrier after unconditional trap (PR78607)

After an unconditional trap there should be a barrier.  In most cases
one is automatically inserted, but not if the trap is the final insn in
the instruction stream.  We need to emit one explicitly.

PR rtl-optimization/78607
* combine.c (try_combine): Emit a barrier after a unconditional trap.

gcc/testsuite/
PR rtl-optimization/78607
* gcc.c-torture/compile/pr78607.c: New testcase.

From-SVN: r243092

Daily bump.

From-SVN: r243091

* es.po: Update.

From-SVN: r243085

runtime: print C functions in traceback

    Since gccgo can trace back through C code as easily as Go code, we
    should print C functions in the traceback.

    This worked before https://golang.org/cl/31230 for a dumb reason.  The
    default value for runtime.traceback_cache was, and is, 2 << 2, meaning
    to print all functions.  The old C code for runtime_parsedebugvars
    would return immediately and do nothing if the environment variable
    GODEBUG was not set (if GODEBUG was set it would later call
    setTraceback.  The new Go code for runtime.parsedebugvars does not
    return immediately if GODEBUG is not set, and always calls
    setTraceback.  Either way, if GOTRACEBACK is not set, setTraceback
    would set traceback_cache to 1 << 2, meaning to only print non-runtime
    functions and having the effect of not printing plain C functions.

    Keep the current handling of GODEBUG/GOTRACEBACK, which matches the gc
    library, but add an extra check to print C functions by default.

    Reviewed-on: https://go-review.googlesource.com/33717

From-SVN: r243083

* testsuite/ChangeLog: Fix some entries.

From-SVN: r243082

PR tree-optimization/78586 - [7 Regression] Wrong code caused by printf-return-value

gcc/testsuite/ChangeLog:

PR tree-optimization/78586
* gcc.dg/tree-ssa/builtin-sprintf-2.c: New test cases.

From-SVN: r243081

re PR target/78602 (PowerPC vec-extract-v2df.c can fail if -mcpu=power9 -O0)

2016-11-30  Michael Meissner  <meissner@linux.vnet.ibm.com>

PR target/78602
* config/rs6000/rs6000.c (rs6000_expand_vector_extract): If the
element is not a constant or in a register, force it to a
register.

PR target/78560
* config/rs6000/rs6000.c (rs6000_expand_vector_set): Force value
that will be set to a vector element to be in a register.
* config/rs6000/vsx.md (vsx_set_<mode>_p9): Fix thinko that used
the wrong multiplier to convert the element number to a byte
offset.

From-SVN: r243044

libgomp: move data definitions from icv.c back to env.c

* config/nvptx/env.c: Delete.
* icv.c: Move definitions of ICV variables back ...
* env.c: ...here.  Do not compile environment-related functionality if
LIBGOMP_OFFLOADED_ONLY is set.

From-SVN: r243041

libgomp: introduce LIBGOMP_OFFLOADED_ONLY macro

* configure.ac [nvptx*-*-*] (libgomp_offloaded_only): Set and use it...
(LIBGOMP_OFFLOADED_ONLY): ...here; new define.
* configure: Regenerate.
* config.h.in: Likewise.

From-SVN: r243040

libgomp: regenerate with automake-1.11.6

* Makefile.in: Regenerate with automake-1.11.6.
* aclocal.m4: Likewise.
* configure: Likewise.
* testsuite/Makefile.in: Likewise.

From-SVN: r243039

re PR tree-optimization/77856 (wrong code at -O2 on x86_64-linux-gnu in 32-bit mode)

2016-11-30  Vladimir Makarov  <vmakarov@redhat.com>

PR tree-optimization/77856
* lra-constraints.c (inherit_in_ebb): Check original regno for
invalid invariant regs too.  Set only clobbered hard regs for the
invalid invariant regs.

2016-11-30  Vladimir Makarov  <vmakarov@redhat.com>

PR tree-optimization/77856
* gcc.target/i386.c (pr77856.c): New.

From-SVN: r243038

configure.ac: Set BDW_GC_CFLAGS and BDW_GC_LIBS after checking for the existence of the...

2016-11-30  Matthias Klose  <doko@ubuntu.com>

        * configure.ac: Set BDW_GC_CFLAGS and BDW_GC_LIBS after checking
        for the existence of the pkg-config modules.
        * Regenerate.

From-SVN: r243037

Fix testsuite failures caused by the patch implementing LWG 2534.

* include/std/istream (__is_convertible_to_basic_istream):
Change the return types of __check, introduce istream_type.
(operator>>(_Istream&&, _Tp&&)):
Use __is_convertible_to_basic_istream::istream_type as the return type.
* include/std/ostream (__is_convertible_to_basic_ostream):
Change the return types of __check, introduce ostream_type.
(operator>>(_Ostream&&, _Tp&&)):
Use __is_convertible_to_basic_ostream::ostream_type as the return type.

From-SVN: r243036

* g++.dg/debug/dwarf2/ptrdmem-1.C: Don't XFAIL scan-assembler-not on AI\X.

From-SVN: r243035

single.c (_gfortran_caf_get_by_ref): Prevent compile time warning.

libgfortran/ChangeLog:

2016-11-30  Andre Vehreschild  <vehre@gcc.gnu.org>

        * caf/single.c (_gfortran_caf_get_by_ref): Prevent compile time
        warning.
        (_gfortran_caf_send_by_ref): Same.
        (_gfortran_caf_is_present): Prevent fallthrough warnings.

gcc/testsuite/ChangeLog:

2016-11-30  Andre Vehreschild  <vehre@gcc.gnu.org>

* ChangeLog: Removed wrongly placed entry.
* gfortran.dg/coarray_lib_alloc_4.f90: New test.

From-SVN: r243034

Commit files forgotten in r242966.

2016-11-30  Pitchumani Sivanupandi  <pitchumani.sivanupandi@microchip.com>

Commit files forgotten in r242966.

* config/avr/avr-arch.h (avr_mcu_t) [flash_size]: New member.
* config/avr/avr-devices.c (avr_mcu_types): Add flash size info.
* config/avr/gen-avr-mmcu-specs.c (print_mcu): Remove hard-coded
prefix check to find wrap-around value, instead use MCU flash size.
For 8k flash devices, update link_pmem_wrap spec string to
add --pmem-wrap-around=8k.
* config/avr/specs.h (LINK_RELAX_SPEC): Move link_pmem_wrap from
here...
(LINK_SPEC): ...to here.

From-SVN: r243033

new1.C: XFAIL on AIX.

        * g++.dg/eh/new1.C: XFAIL on AIX.
        * g++.dg/eh/delete1.C: Same.
        * g++.dg/init/new40.C: Same.
        * g++.old-deja/g++.eh/new2.C: Same.

From-SVN: r243032

Fix typo in testcase name

gcc/testsuite/ChangeLog:

PR c/78498
* gcc.dg/format/pr78494.c: Rename to...
* gcc.dg/format/pr78498.c: ...this.

From-SVN: r243031

libiberty: avoid reading past end of buffer in strndup/xstrndup (PR c/78498)

gcc/ChangeLog:
PR c/78498
* selftest.c (selftest::assert_strndup_eq): New function.
(selftest::test_strndup): New function.
(selftest::test_libiberty): New function.
(selftest::selftest_c_tests): Call test_libiberty.

gcc/testsuite/ChangeLog:
PR c/78498
* gcc.dg/format/pr78494.c: New test case.

libiberty/ChangeLog:
PR c/78498
* strndup.c (strlen): Delete decl.
(strnlen): Add decl.
(strndup): Call strnlen rather than strlen.
* xstrndup.c (xstrndup): Likewise.

From-SVN: r243030

ref-1.C: Don't XFAIL scan-assembler-not on AIX.

        * g++.dg/debug/dwarf2/ref-1.C: Don't XFAIL scan-assembler-not on AIX.
        * g++.dg/debug/dwarf2/imported-decl-2.C: Same.
        * g++.dg/debug/dwarf2/refqual-1.C: Same.
        * g++.dg/debug/dwarf2/refqual-2.C: Same.

From-SVN: r243029

ira: Don't substitute into TRAP_IF insns (PR78610)

In the testcase, IRA propagates a constant into a TRAP_IF insn, which
then becomes an unconditional trap.  Unconditional traps are control
flow insns so doing this requires surgery on the cfg.  We cannot do
that here, so instead refuse to do the substitution.

PR rtl-optimization/78610
* ira.c (combine_and_move_insns): Don't substitute into TRAP_IF
instructions.

gcc/testsuite/
PR rtl-optimization/78610
* gcc.c-torture/compile/pr78610.c: New testcase.

From-SVN: r243028

Fix condition in shared_ptr assertion

2016-11-30  Tim Shen  <timshen@google.com>

* include/bits/shared_ptr_base.h
(__shared_ptr_access<T, L, true, false>::operator*()): Fix assertion.

From-SVN: r243027

re PR tree-optimization/78574 (ice on valid C code at -O2 and -O3 in both 32- and 64-bit modes on x86_64-linux-gnu (internal compiler error: Segmentation fault (program cc1)))

PR tree-optimization/78574
* tree-ssa-loop-ivopts.c (find_deriving_biv_for_expr): Skip loop
header PHI that doesn't define biv.
gcc/testsuite
PR tree-optimization/78574
* gcc.c-torture/compile/pr78574.c: New test.

From-SVN: r243026

Add the missing changelog entry to 243023.

libgfortran/ChangeLog:

2016-11-30  Andre Vehreschild  <vehre@gcc.gnu.org>

        * caf/single.c (_gfortran_caf_is_present): Prevent fallthrough
        warnings.

From-SVN: r243025

single.c (_gfortran_caf_is_present): Prevent fallthrough warnings.

libgfortran/ChangeLog:

2016-11-30  Andre Vehreschild  <vehre@gcc.gnu.org>

* caf/single.c (_gfortran_caf_is_present): Prevent fallthrough
warnings.

From-SVN: r243024

50594.cc: XFAIL on AIX.

        * testsuite/18_support/50594.cc: XFAIL on AIX.
        * testsuite/ext/mt_allocator/check_new.cc: Same.
        * testsuite/ext/pool_allocator/check_new.cc: Same.
        * testsuite/27_io/ios_base/storage/11584.cc: Same.

From-SVN: r243023

[multiple changes]

2016-11-30  Gary Dismukes  <dismukes@adacore.com>

* sem_prag.adb, sem_ch6.adb: Minor reformatting and typo fixes.
* g-sechas.adb: Minor reformatting.
* lib-xref.ads: minor grammar fix in comment.
* lib-xref-spark_specific.adb
(Is_SPARK_Reference): do not ignore references to concurrent
objects.
* sinfo.ads: Fix of unbalanced parens in comment

2016-11-30  Ed Schonberg  <schonberg@adacore.com>

* lib-xref.adb (Get_Type_Reference): If the entity is a function
returning a classwide type, the type reference is obtained right
away and does not need further unwinding.

2016-11-30  Javier Miranda  <miranda@adacore.com>

* sem_ch8.adb (Find_Renamed_Entity): For non-overloaded subprogram
actuals of generic units check that the spec of the renaming
and renamed entities match.

2016-11-30  Tristan Gingold  <gingold@adacore.com>

* raise-gcc.c: For CERT runtimes: do not use gcc includes, simplify
the handling.
* sem_attr.adb (Analyze_Attribute): Check No_Dynamic_Priorities
restriction for Priority Attribute.

From-SVN: r243022