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2017-10-16 Tamar Christina <tamar.christina@arm.com>
* config/aarch64/aarch64.h (AARCH64_FL_DOTPROD): New.
(AARCH64_ISA_DOTPROD, TARGET_DOTPROD): New.
* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Add TARGET_DOTPROD.
* config/aarch64/aarch64-option-extensions.def (dotprod): New.
* config/aarch64/aarch64-cores.def (cortex-a55, cortex-a75): Enable TARGET_DOTPROD.
(cortex-a75.cortex-a55): Likewise.
* doc/invoke.texi (aarch64-feature-modifiers): Document dotprod.
From-SVN: r253782
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2017-10-16 Tamar Christina <tamar.christina@arm.com>
* config/arm/arm-builtins.c (arm_unsigned_uternop_qualifiers): New.
(UTERNOP_QUALIFIERS, arm_umac_lane_qualifiers, UMAC_LANE_QUALIFIERS): New.
* config/arm/arm_neon_builtins.def (sdot, udot, sdot_lane, udot_lane): new.
* config/arm/iterators.md (DOTPROD, VSI2QI, vsi2qi): New.
(UNSPEC_DOT_S, UNSPEC_DOT_U, opsuffix): New.
* config/arm/neon.md (neon_<sup>dot<vsi2qi>): New.
(neon_<sup>dot_lane<vsi2qi>, <sup>dot_prod<vsi2qi>): New.
* config/arm/types.md (neon_dot, neon_dot_q): New.
* config/arm/unspecs.md (sup): Add UNSPEC_DOT_S, UNSPEC_DOT_U.
From-SVN: r253781
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2017-10-16 Tamar Christina <tamar.christina@arm.com>
* config/arm/arm.h (TARGET_DOTPROD): New.
* config/arm/arm.c (arm_arch_dotprod): New.
(arm_option_reconfigure_globals): Add arm_arch_dotprod.
* config/arm/arm-c.c (__ARM_FEATURE_DOTPROD): New.
* config/arm/arm-cpus.in (armv8.2-a): Enabled +dotprod.
(feature dotprod, group dotprod, ALL_SIMD_INTERNAL): New.
(ALL_FPU_INTERNAL): Use ALL_SIMD_INTERNAL.
* config/arm/t-multilib (v8_2_a_simd_variants): Add dotprod.
* doc/invoke.texi (armv8.2-a): Document dotprod
From-SVN: r253780
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PR c++/53574
* g++.dg/other/pr53574.C: New test.
From-SVN: r253778
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argument matching failure)
2017-10-16 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/61323
* g++.dg/cpp0x/constexpr-61323.C: New.
From-SVN: r253777
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From-SVN: r253775
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2017-10-15 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/54090
* g++.dg/template/crash128.C: New.
From-SVN: r253772
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* i386.c (ix86_vec_cost): New function.
(ix86_rtx_costs): Handle vector operations better.
* i386.h (struct processor_costs): Add sse_op, fmasd, fmass.
* x86-tune-costs.h: Add new costs to all tables.
From-SVN: r253771
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* i386.c (ix86_rtx_costs): Make difference between x87 and SSE
operations.
* i386.h (struct processor_costs): Add addss, mulss, mulsd, divss,
divsd, sqrtss and sqrtsd
* x86-tune-costs.h: Add new entries to all costs.
(znver1_cost): Fix to match real instruction latencies.
From-SVN: r253769
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2017-10-15 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/82372
* fortran/scanner.c (last_error_char): New global variable.
(gfc_scanner_init_1): Set last_error_char to NULL.
(gfc_gobble_whitespace): If a character not printable or
not newline, issue an error.
2017-10-15 Thomas Koenig <tkoenig@gcc.gnu.org>
PR fortran/82372
* gfortran.dg/illegal_char.f90: New test.
From-SVN: r253768
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From-SVN: r253767
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2017-10-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Michael Collison <michael.collison@arm.com>
* compare-elim.c: Include emit-rtl.h.
(can_merge_compare_into_arith): New function.
(try_validate_parallel): Likewise.
(try_merge_compare): Likewise.
(try_eliminate_compare): Call the above when no previous clobber
is available.
(execute_compare_elim_after_reload): Add DF_UD_CHAIN and DF_DU_CHAIN
dataflow problems.
2017-10-14 Kyrylo Tkachov <kyrylo.tkachov@arm.com>
Michael Collison <michael.collison@arm.com>
* gcc.target/aarch64/cmpelim_mult_uses_1.c: New test.
Co-Authored-By: Michael Collison <michael.collison@arm.com>
From-SVN: r253764
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noexcept-ness of a function pointer)
2017-10-14 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/80908
* g++.dg/cpp1z/noexcept-type18.C: New.
From-SVN: r253763
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2017-10-14 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/81016
* g++.dg/cpp1z/pr81016.C: New.
From-SVN: r253762
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is technically undefined behavior)
PR middle-end/62263
PR middle-end/82498
* tree-ssa-phiopt.c (value_replacement): Comment fix. Handle
up to 2 preparation statements for ASSIGN in MIDDLE_BB.
* c-c++-common/rotate-8.c: Expect no PHIs in optimized dump.
From-SVN: r253761
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is technically undefined behavior)
PR middle-end/62263
PR middle-end/82498
* tree-ssa-forwprop.c (simplify_rotate): Allow def_arg1[N]
to be any operand_equal_p operands. For & (B - 1) require
B to be power of 2. Recognize
(X << (Y & (B - 1))) | (X >> ((-Y) & (B - 1))) and similar patterns.
* c-c++-common/rotate-5.c (f2): New function. Move old
function to ...
(f4): ... this. Use 127 instead of 128.
(f3, f5, f6): New functions.
(main): Test all f[1-6] functions, with both 0 and 1 as
second arguments.
* c-c++-common/rotate-6.c: New test.
* c-c++-common/rotate-6a.c: New test.
* c-c++-common/rotate-7.c: New test.
* c-c++-common/rotate-7a.c: New test.
* c-c++-common/rotate-8.c: New test.
From-SVN: r253760
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PR bootstrap/82553
* optabs.c (expand_memory_blockage): Fix call of
targetm.have_memory_blockage.
From-SVN: r253759
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Remote_Call_Interface is not a suitable...
gcc/ada/
2017-10-14 Hristian Kirtchev <kirtchev@adacore.com>
* sem_elab.adb (In_Preelaborated_Context): A generic package subject to
Remote_Call_Interface is not a suitable preelaboratd context when the
call appears in the package body.
gcc/testsuite/
2017-10-14 Hristian Kirtchev <kirtchev@adacore.com>
* gnat.dg/remote_call_iface.ads, gnat.dg/remote_call_iface.adb: New
testcase.
From-SVN: r253758
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2017-10-14 Eric Botcazou <ebotcazou@adacore.com>
* layout.ads (Set_Elem_Alignment): Add Align parameter defaulted to 0.
* layout.adb (Set_Elem_Alignment): Likewise. Use M name as maximum
alignment for consistency. If Align is non-zero, use the minimum of
Align and M for the alignment.
* cstand.adb (Build_Float_Type): Use Set_Elem_Alignment instead of
setting the alignment directly.
2017-10-14 Ed Schonberg <schonberg@adacore.com>
* sem_prag.adb (Analyze_Pragma, case Check): Defer evaluation of the
optional string in an Assert pragma until the expansion of the pragma
has rewritten it as a conditional statement, so that the string
argument is only evaluaed if the assertion fails. This is mandated by
RM 11.4.2.
2017-10-14 Hristian Kirtchev <kirtchev@adacore.com>
* debug.adb: Switch -gnatd.v and associated flag are now used to
enforce the SPARK rules for elaboration in SPARK code.
* sem_elab.adb: Describe switch -gnatd.v.
(Process_Call): Verify the SPARK rules only when -gnatd.v is in effect.
(Process_Instantiation): Verify the SPARK rules only when -gnatd.v is
in effect.
(Process_Variable_Assignment): Clarify why variable assignments are
processed reglardless of whether -gnatd.v is in effect.
* doc/gnat_ugn/elaboration_order_handling_in_gnat.rst: Update the
sections on elaboration code and compilation switches.
* gnat_ugn.texi: Regenerate.
2017-10-14 Gary Dismukes <dismukes@adacore.com>
* exp_util.adb, freeze.adb, sem_aggr.adb, sem_util.ads, sem_util.adb,
sem_warn.adb: Minor reformattings.
From-SVN: r253757
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2017-10-14 Ed Schonberg <schonberg@adacore.com>
* doc/gnat_rm/implementation_defined_aspects.rst: Add documentation
for reverse iteration over formal containers.
* gnat_rm.texi: Regenerate.
2017-10-14 Hristian Kirtchev <kirtchev@adacore.com>
* sem_elab.adb (Ensure_Dynamic_Prior_Elaboration): Renamed to
Ensure_Prior_Elaboration_Dynamic for consistency reasons.
(Ensure_Static_Prior_Elaboration): Renamed to
Ensure_Prior_Elaboration_Static for consistency reasons.
(Info_Variable_Reference): Renamed to Info_Variable_Read in order to
reflect its new purpose.
(Is_Initialized): New routine.
(Is_Suitable_Variable_Reference): Renamed to Is_Suitable_Variable_Read
in order to reflect its new purpose.
(Is_Variable_Read): New routine.
(Output_Variable_Reference): Renamed to Output_Variable_Read in order
to reflect its new purpose.
(Process_Variable_Assignment): This routine now acts as a top level
dispatcher for variable assignments.
(Process_Variable_Assignment_Ada): New routine.
(Process_Variable_Assignment_SPARK): New routine.
(Process_Variable_Reference): Renamed to Process_Variable_Read in order
to reflects its new purpose. A reference to a variable is now suitable
for ABE processing only when it is a read. The logic in the routine now
reflects the latest SPARK elaboration rules.
2017-10-14 Justin Squirek <squirek@adacore.com>
* sem_ch8.adb (Analyze_Subprogram_Renaming): Modify condition that
triggers marking on formal subprograms.
2017-10-14 Javier Miranda <miranda@adacore.com>
* checks.adb (Ensure_Valid): Do not skip adding the validity check on
renamings of objects that come from the sources.
2017-10-14 Eric Botcazou <ebotcazou@adacore.com>
* cstand.adb (Build_Float_Type): Move down Siz parameter, add Align
parameter and set the alignment of the type to Align.
(Copy_Float_Type): Adjust call to Build_Float_Type.
(Register_Float_Type): Add pragma Unreferenced for Precision. Adjust
call to Build_Float_Type and do not set RM_Size and Alignment.
From-SVN: r253756
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2017-10-14 Patrick Bernardi <bernardi@adacore.com>
* Makefile.rtl (GNATRTL_NONTASKING_OBJ): Add s-soliin to
GNATRTL_NONTASKING_OBJ.
From-SVN: r253755
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2017-10-14 Bob Duff <duff@adacore.com>
* exp_ch6.adb (Is_Build_In_Place_Result_Type): Include code for
enabling b-i-p for nonlimited controlled types (but disabled).
2017-10-14 Justin Squirek <squirek@adacore.com>
* sem_elab.adb (Is_Suitable_Variable_Assignment): Replace call to
Has_Warnings_Off with Warnings_Off.
2017-10-14 Piotr Trojanek <trojanek@adacore.com>
* sinfo.ads (Generic_Parent): Remove wrong (possibly obsolete) comment.
2017-10-14 Hristian Kirtchev <kirtchev@adacore.com>
* sem_ch3.adb (Analyze_Declarations): Analyze the contract of an
enclosing package at the end of the visible declarations.
* sem_prag.adb (Analyze_Initialization_Item): Suppress the analysis of
an initialization item which is undefined due to some illegality.
2017-10-14 Patrick Bernardi <bernardi@adacore.com>
* ali.adb: Add new ALI line 'T' to read the number of tasks contain
within each unit that require a default-sized primary and secondary
stack to be generated by the binder.
(Scan_ALI): Scan new 'T' lines.
* ali.ads: Add Primary_Stack_Count and Sec_Stack_Count to Unit_Record.
* bindgen.adb (Gen_Output_File): Count the number of default-sized
stacks within the closure that are to be created by the binder.
(Gen_Adainit, Gen_Output_File_Ada): Generate default-sized secondary
stacks and record these in System.Secodnary_Stack.
(Resolve_Binder_Options): Check if System.Secondary_Stack is in the
closure of the program being bound.
* bindusg.adb (Display): Add "-Q" switch. Remove rouge "--RTS" comment.
* exp_ch3.adb (Count_Default_Sized_Task_Stacks): New routine.
(Expand_N_Object_Declaration): Count the number of default-sized stacks
used by task objects contained within the object whose declaration is
being expanded. Only performed when either the restrictions
No_Implicit_Heap_Allocations or No_Implicit_Task_Allocations are in
effect.
* exp_ch9.adb (Create_Secondary_Stack_For_Task): New routine.
(Expand_N_Task_Type_Declaration): Create a secondary stack as part of
the expansion of a task type if the size of the stack is known at
run-time and the restrictions No_Implicit_Heap_Allocations or
No_Implicit_Task_Allocations are in effect.
(Make_Task_Create_Call): If using a restricted profile provide
secondary stack parameter: either the statically created stack or null.
* lib-load.adb (Create_Dummy_Package_Unit, Load_Unit,
Load_Main_Source): Include Primary_Stack_Count and Sec_Stack_Count in
Unit_Record initialization expressions.
* lib-writ.adb (Add_Preprocessing_Dependency,
Ensure_System_Dependency): Include Primary_Stack_Count and
Sec_Stack_Count in Unit_Record initialization expression.
(Write_ALI): Write T lines.
(Write_Unit_Information): Do not output 'T' lines if there are no
stacks for the binder to generate.
* lib-writ.ads: Updated library information documentation to include
new T line entry.
* lib.adb (Increment_Primary_Stack_Count): New routine.
(Increment_Sec_Stack_Count): New routine.
(Primary_Stack_Count): New routine.
(Sec_Stack_Count): New routine.
* lib.ads: Add Primary_Stack_Count and Sec_Stack_Count components to
Unit_Record and updated documentation.
(Increment_Primary_Stack_Count): New routine along with pragma Inline.
(Increment_Sec_Stack_Count): New routine along with pragma Inline.
(Primary_Stack_Count): New routine along with pragma Inline.
(Sec_Stack_Count): New routine along with pragma Inline.
* opt.ads: New constant No_Stack_Size. Flag Default_Stack_Size
redefined. New flag Default_Sec_Stack_Size and
Quantity_Of_Default_Size_Sec_Stacks.
* rtfinal.c Fixed erroneous comment.
* rtsfind.ads: Moved RE_Default_Secondary_Stack_Size from
System.Secondary_Stack to System.Parameters. Add RE_SS_Stack.
* sem_util.adb (Number_Of_Elements_In_Array): New routine.
* sem_util.ads (Number_Of_Elements_In_Array): New routine.
* switch-b.adb (Scan_Binder_Switches): Scan "-Q" switch.
* libgnarl/s-solita.adb (Get_Sec_Stack_Addr): Removed routine.
(Set_Sec_Stack_Addr): Removed routine.
(Get_Sec_Stack): New routine.
(Set_Sec_Stack): New routine.
(Init_Tasking_Soft_Links): Update System.Soft_Links reference to
reflect new procedure and global names.
* libgnarl/s-taprop__linux.adb, libgnarl/s-taprop__mingw.adb,
libgnarl/s-taprop__posix.adb, libgnarl/s-taprop__solaris.adb,
libgnarl/s-taprop__vxworks.adb (Register_Foreign_Thread): Update
parameter profile to allow the secondary stack size to be specified.
* libgnarl/s-tarest.adb (Create_Restricted_Task): Update the parameter
profile to include Sec_Stack_Address. Update Tasking.Initialize_ATCB
call to remove Secondary_Stack_Size reference. Add secondary stack
address and size to SSL.Create_TSD call.
(Task_Wrapper): Remove secondary stack creation.
* libgnarl/s-tarest.ads (Create_Restricted_Task,
Create_Restricted_Task_Sequential): Update parameter profile to include
Sec_Stack_Address and clarify the Size parameter.
* libgnarl/s-taskin.adb (Initialize_ATCB): Remove Secondary_Stack_Size
from profile and body.
(Initialize): Remove Secondary_Stack_Size from Initialize_ATCB call.
* libgnarl/s-taskin.ads: Removed component Secondary_Stack_Size from
Common_ATCB.
(Initialize_ATCB): Update the parameter profile to remove
Secondary_Stack_Size.
* libgnarl/s-tassta.adb (Create_Task): Updated parameter profile and
call to Initialize_ATCB. Add secondary stack address and size to
SSL.Create_TSD call, and catch any storage exception from the call.
(Finalize_Global_Tasks): Update System.Soft_Links references to reflect
new subprogram and component names.
(Task_Wrapper): Remove secondary stack creation.
(Vulnerable_Complete_Master): Update to reflect TSD changes.
* libgnarl/s-tassta.ads: Reformat comments.
(Create_Task): Update parameter profile.
* libgnarl/s-tporft.adb (Register_Foreign_Thread): Update parameter
profile to include secondary stack size. Remove secondary size
parameter from Initialize_ATCB call and add it to Create_TSD call.
* libgnat/s-parame.adb, libgnat/s-parame__rtems.adb,
libgnat/s-parame__vxworks.adb (Default_Sec_Stack_Size): New routine.
* libgnat/s-parame.ads, libgnat/s-parame__ae653.ads,
libgnat/s-parame__hpux.ads, libgnat/s-parame__vxworks.ads: Remove type
Percentage. Remove constants Dynamic, Sec_Stack_Percentage and
Sec_Stack_Dynamic. Add constant Runtime_Default_Sec_Stack_Size and
Sec_Stack_Dynamic.
(Default_Sec_Stack_Size): New routine.
* libgnat/s-secsta.adb, libgnat/s-secsta.ads: New implementation. Is
now Preelaborate.
* libgnat/s-soflin.adb: Removed unused with-clauses. With
System.Soft_Links.Initialize to initialize non-tasking TSD.
(Create_TSD): Update parameter profile. Initialize the TSD and
unconditionally call SS_Init.
(Destroy_TSD): Update SST.SS_Free call.
(Get_Sec_Stack_Addr_NT, Get_Sec_Stack_Addr_Soft, Set_Sec_Stack_Addr_NT,
Set_Sec_Stack_Addr_Soft): Remove routines.
(Get_Sec_Stack_NT, Get_Sec_Stack_Soft, Set_Sec_Stack_NT,
Set_Sec_Stack_Soft): Add routines.
(NT_TSD): Move to private part of package specification.
* libgnat/s-soflin.ads: New types Get_Stack_Call and Set_Stack_Call
with suppressed access checks. Renamed *_Sec_Stack_Addr_* routines and
objects to *_Sec_Stack_*. TSD: removed warning suppression and
component intialization. Changed Sec_Stack_Addr to Sec_Stack_Ptr.
(Create_TSD): Update parameter profile.
(NT_TSD): Move to private section from body.
* libgnat/s-soliin.adb, libgnat/s-soliin.ads: New files.
* libgnat/s-thread.ads (Thread_Body_Enter): Update parameter profile.
* libgnat/s-thread__ae653.adb (Get_Sec_Stack_Addr, Set_Sec_Stack_Addr):
Remove routine.
(Get_Sec_Stack, Set_Sec_Stack): Add routine.
(Thread_Body_Enter): Update parameter profile and body to adapt to new
System.Secondary_Stack.
(Init_RTS): Update body for new System.Soft_Links names.
* gcc-interface/Make-lang.in (GNAT_ADA_OBJS, GNATBIND_OBJS): Add
s-soliin.o.
From-SVN: r253754
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for mingw32)
PR bootstrap/82548
* config.gcc (*-*-solaris2*, i[34567]86-*-cygwin*,
x86_64-*-cygwin*, i[34567]86-*-mingw* | x86_64-*-mingw*): Append
objects to extra_objs instead of overwriting it.
From-SVN: r253753
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From-SVN: r253752
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any_fp_register_operand as operand[3] predicate.
* config/i386/sync.md (FILD_ATOMIC/FIST_ATOMIC FP load peephole2):
Use any_fp_register_operand as operand[3] predicate. Simplify
equality test for operands[2] and operands[4] memory location.
(LDX_ATOMIC/STX_ATOMIC FP load peephole2): Ditto.
(FILD_ATOMIC/FIST_ATOMIC FP load peephole2 with mem blockage): New.
(LDX_ATOMIC/LDX_ATOMIC FP load peephole2 with mem blockage): Ditto.
(FILD_ATOMIC/FIST_ATOMIC FP store peephole2): Use
any_fp_register_operand as operand[1] predicate. Simplify
equality test for operands[0] and operands[3] memory location.
(LDX_ATOMIC/STX_ATOMIC FP store peephole2): Ditto.
(FILD_ATOMIC/FIST_ATOMIC FP store peephole2 with mem blockage): New.
(LDX_ATOMIC/LDX_ATOMIC FP storepeephole2 with mem blockage): Ditto.
From-SVN: r253751
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* target-insns.def: Add memory_blockage.
* optabs.c (expand_memory_blockage): New function.
(expand_asm_memory_barrier): Rename ...
(expand_asm_memory_blockage): ... to this.
(expand_mem_thread_fence): Call expand_memory_blockage
instead of expand_asm_memory_barrier.
(expand_mem_singnal_fence): Ditto.
(expand_atomic_load): Ditto.
(expand_atomic_store): Ditto.
* doc/md.texi (Standard Pattern Names For Generation):
Document memory_blockage instruction pattern.
From-SVN: r253750
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PR rtl-optimization/81423
* gcc.c-torture/execute/pr81423.c (foo): Add missing cast. Change L
suffixes to LL.
(main): Punt if either long long isn't 64-bit or int isn't 32-bit.
From-SVN: r253749
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[gcc]
* config/rl78/rl78.c (rl78_emit_libcall): New function.
* config/rl78/rl78-protos.h (rl78_emit_libcall): New function.
* config/rl78/rl78.md: New define_expand "adddi3".
[libgcc]
* config/rl78/adddi3.S: New assembly file.
* config/rl78/t-rl78: Added adddi3.S to LIB2ADD.
From-SVN: r253748
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From-SVN: r253747
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PR sanitizer/82353
* g++.dg/ubsan/pr82353-2.C: New test.
* g++.dg/ubsan/pr82353-2-aux.cc: New file.
* g++.dg/ubsan/pr82353-2.h: New file.
From-SVN: r253744
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* c-gimplify.c (c_gimplify_expr): Handle [LR]ROTATE_EXPR like
[LR]SHIFT_EXPR.
From-SVN: r253742
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correctly.
* cfghooks.c (verify_flow_info): Disable check that all probabilities
are set correctly.
From-SVN: r253741
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From-SVN: r253740
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* tree.c (cp_stabilize_reference): Just return a NON_DEPENDENT_EXPR.
From-SVN: r253739
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2017-10-13 Paul Thomas <pault@gcc.gnu.org>
PR fortran/81048
* resolve.c (resolve_symbol): Ensure that derived type array
results get default initialization.
2017-10-13 Paul Thomas <pault@gcc.gnu.org>
PR fortran/81048
* gfortran.dg/derived_init_4.f90 : New test.
From-SVN: r253738
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used in a generic/variadic lambda)
2017-10-13 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/69078
* g++.dg/cpp1y/lambda-generic-69078-1.C: New.
* g++.dg/cpp1y/lambda-generic-69078-2.C: Likewise.
From-SVN: r253736
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int64_t when compiled with -m32)
PR target/82274
* internal-fn.c (expand_mul_overflow): If both operands have
the same highpart of -1 or 0 and the topmost bit of lowpart
is different, overflow is if res <= 0 rather than res < 0.
* libgcc2.c (__mulvDI3): If both operands have
the same highpart of -1 and the topmost bit of lowpart is 0,
multiplication overflows even if both lowparts are 0.
* gcc.dg/pr82274-1.c: New test.
* gcc.dg/pr82274-2.c: New test.
From-SVN: r253734
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function without a definition in a lambda)
2017-10-13 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/80873
* g++.dg/cpp1y/auto-fn41.C: New.
* g++.dg/cpp1y/auto-fn42.C: Likewise.
From-SVN: r253733
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for unaligned_load case.
* config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Remove
TARGET_P9_VECTOR code for unaligned_load case.
From-SVN: r253731
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From-SVN: r253729
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* cfghooks.c (verify_flow_info): Check that edge probabilities are
set.
From-SVN: r253728
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If the user fails to close an extern "C" linkage specifier, and then
uses templates, they will run into "template with C linkage" errors.
From personal experience, it can be hard to tell where the
extern "C" began. As of r251026 there will be a message highlighting
the unclosed '{', but this may be hard to spot at the very end of
the errors.
This patch adds a note to the various diagnostics that complain
about C linkage, showing the user where the extern "C" specification
began.
gcc/cp/ChangeLog:
* cp-tree.h (maybe_show_extern_c_location): New decl.
* decl.c (grokfndecl): When complaining about literal operators
with C linkage, issue a note giving the location of the
extern "C".
* parser.c (cp_parser_new): Initialize new field
"innermost_linkage_specification_location".
(cp_parser_linkage_specification): Store the location
of the linkage specification within the cp_parser.
(cp_parser_explicit_specialization): When complaining about
template specializations with C linkage, issue a note giving the
location of the extern "C".
(cp_parser_explicit_template_declaration): Likewise for templates.
(maybe_show_extern_c_location): New function.
* parser.h (struct cp_parser): New field
"innermost_linkage_specification_location".
gcc/testsuite/ChangeLog:
* g++.dg/cpp0x/udlit-extern-c.C: New test case.
* g++.dg/diagnostic/unclosed-extern-c.C: Add example of a template
erroneously covered by an unclosed extern "C".
* g++.dg/template/extern-c.C: New test case.
From-SVN: r253726
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https://gcc.gnu.org/ml/gcc-patches/2017-10/msg00846.html
* tree-core.h (tree_contains_struct): Make bool.
* tree.c (tree_contains_struct): Likewise.
* tree.h (MARK_TS_BASE): Remove do ... while (0) idiom.
(MARK_TS_TYPED, MARK_TS_COMMON, MARK_TS_TYPE_COMMON,
MARK_TS_TYPE_WITH_LANG_SPECIFIC, MARK_TS_DECL_MINIMAL,
MARK_TS_DECL_COMMON, MARK_TS_DECL_WRTL, MARK_TS_DECL_WITH_VIS,
MARK_TS_DECL_NON_COMMON): Likewise, use comma operator.
From-SVN: r253723
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* graphite-isl-ast-to-gimple.c
(translate_isl_ast_to_gimple::get_rename_from_scev): Remove unused
parameters and dominance check.
(translate_isl_ast_to_gimple::graphite_copy_stmts_from_block): Adjust.
(translate_isl_ast_to_gimple::copy_bb_and_scalar_dependences): Likewise.
(translate_isl_ast_to_gimple::graphite_regenerate_ast_isl):
Do not update SSA form here or do intermediate IL verification.
* graphite.c: Include tree-ssa.h and tree-into-ssa.h.
(graphite_initialize): Remove check on the number of loops in
the function and inline into graphite_transform_loops.
(graphite_finalize): Inline into graphite_transform_loops.
(graphite_transform_loops): Perform SSA update and IL verification
here.
* params.def (PARAM_GRAPHITE_MIN_LOOPS_PER_FUNCTION): Remove.
* gcc.dg/graphite/pr35356-3.c: XFAIL again.
* gcc.dg/graphite/pr81373-2.c: Copy from gcc.dg/graphite/pr81373.c
with alternate flags.
From-SVN: r253721
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* graphite-isl-ast-to-gimple.c
(translate_isl_ast_to_gimple::get_rename_from_scev): Remove unused
parameters and dominance check.
(translate_isl_ast_to_gimple::graphite_copy_stmts_from_block): Adjust.
(translate_isl_ast_to_gimple::copy_bb_and_scalar_dependences): Likewise.
(translate_isl_ast_to_gimple::graphite_regenerate_ast_isl):
Do not update SSA form here or do intermediate IL verification.
* graphite.c: Include tree-ssa.h and tree-into-ssa.h.
(graphite_initialize): Remove check on the number of loops in
the function and inline into graphite_transform_loops.
(graphite_finalize): Inline into graphite_transform_loops.
(graphite_transform_loops): Perform SSA update and IL verification
here.
* params.def (PARAM_GRAPHITE_MIN_LOOPS_PER_FUNCTION): Remove.
* gcc.dg/graphite/pr35356-3.c: XFAIL again.
* gcc.dg/graphite/pr81373-2.c: Copy from gcc.dg/graphite/pr81373.c
with alternate flags.
From-SVN: r253720
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constructor by moving ...
2017-10-13 Richard Biener <rguenther@suse.de>
* graphite-isl-ast-to-gimple.c (max_mode_int_precision,
graphite_expression_type_precision): Avoid global constructor
by moving ...
(translate_isl_ast_to_gimple::translate_isl_ast_to_gimple): Here.
(translate_isl_ast_to_gimple::graphite_expr_type): Add type
member.
(translate_isl_ast_to_gimple::translate_isl_ast_node_for): Use it.
(translate_isl_ast_to_gimple::build_iv_mapping): Likewise.
(translate_isl_ast_to_gimple::graphite_create_new_guard): Likewise.
* graphite-sese-to-poly.c (build_original_schedule): Return nothing.
* gcc.dg/graphite/scop-10.c: Enlarge array to avoid undefined
behavior.
* gcc.dg/graphite/scop-7.c: Likewise.
* gcc.dg/graphite/scop-8.c: Likewise.
From-SVN: r253719
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Check red zone size, instead of if red zone is available, in push
peephole2s.
gcc/
PR target/82499
* config/i386/i386.h (ix86_red_zone_size): New.
* config/i386/i386.md (push peephole2s): Replace
"!ix86_using_red_zone ()" with "ix86_red_zone_size == 0".
gcc/testsuite/
PR target/82499
* gcc.target/i386/pr82499-1.c: New file.
* gcc.target/i386/pr82499-2.c: Likewise.
* gcc.target/i386/pr82499-3.c: Likewise.
From-SVN: r253718
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This patch stops combine from changing the mode of an existing register
in-place if doing so would change the size of the underlying register
allocation size, as given by REGMODE_NATURAL_SIZE. Without this,
many tests fail in adjust_reg_mode after SVE is added. One example
is gcc.c-torture/compile/20090401-1.c.
2017-10-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* combine.c (can_change_dest_mode): Reject changes in
REGMODE_NATURAL_SIZE.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r253717
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This patch is like the previous GET_MODE_UNIT_SIZE one,
but for bit rather than byte sizes.
2017-10-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* cfgexpand.c (expand_debug_expr): Use GET_MODE_UNIT_BITSIZE.
(expand_debug_source_expr): Likewise.
* combine.c (combine_simplify_rtx): Likewise.
* cse.c (fold_rtx): Likewise.
* fwprop.c (canonicalize_address): Likewise.
* targhooks.c (default_shift_truncation_mask): Likewise.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r253716
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This patch uses GET_MODE_UNIT_SIZE instead of GET_MODE_SIZE in
cases where, for compound modes, the mode of the scalar elements
is what matters. E.g. the choice between truncation and extension
is really based on the modes of the consistuent scalars rather
than the mode as a whole.
None of the existing code was wrong. The patch simply makes
things easier when converting to variable-sized modes.
2017-10-13 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* optabs.c (add_equal_note): Use GET_MODE_UNIT_SIZE.
(widened_mode): Likewise.
(expand_unop): Likewise.
* ree.c (transform_ifelse): Likewise.
(merge_def_and_ext): Likewise.
(combine_reaching_defs): Likewise.
* simplify-rtx.c (simplify_unary_operation_1): Likewise.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r253715
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