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From-SVN: r251764
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2017-09-06 Eric Botcazou <ebotcazou@adacore.com>
* sem_ch7.adb (Has_Referencer): Move up and expand comment
explaining the test used to detect inlining. Use same test
in second occurrence.
(Analyze_Package_Body_Helper): Minor formatting fixes.
2017-09-06 Ed Schonberg <schonberg@adacore.com>
* exp_ch4.adb (Handle_Changed_Representation): For an untagged
derived type with a mixture of renamed and constrained parent
discriminants, the constraint for the target must obtain the
discriminant values from both the operand and from the stored
constraint for it, given that the constrained discriminants are
not visible in the object.
* exp_ch5.adb (Make_Field_Assign): The type of the right-hand
side may be derived from that of the left-hand side (as in the
case of an assignment with a change of representation) so the
discriminant to be used in the retrieval of the value of the
component must be the entity in the type of the right-hand side.
From-SVN: r251763
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2017-09-06 Hristian Kirtchev <kirtchev@adacore.com>
* sem_ch3.adb, sem_ch7.adb, sem_util.adb, g-debpoo.adb, sem_ch4.adb,
sem_ch6.adb, sem_ch8.adb: Minor reformatting.
* exp_util.adb (Is_Source_Object): Account for
the cases where the source object may appear as a dereference
or within a type conversion.
* exp_ch6.adb: Fix missing space in error message.
2017-09-06 Ed Schonberg <schonberg@adacore.com>
* sem_prag.adb: Update description of Eliminate.
From-SVN: r251762
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2017-09-06 Ed Schonberg <schonberg@adacore.com>
* sem_attr.adb (Analyze_Attribute, case 'Loop_Entry): Handle
properly an attribute reference 'Loop_Entry that appears in the
list of indices of an indexed expression, to prevent an infinite
loop in the compiler.
2017-09-06 Bob Duff <duff@adacore.com>
* s-fileio.adb (Name): Do not raise Use_Error for temp files.
2017-09-06 Ed Schonberg <schonberg@adacore.com>
* sem_ch4.adb (Analyze_Set_Membership): If an alternative
in a set membership is an overloaded enumeration literal, and
the type of the alternative is resolved from a previous one,
replace the entity of the alternative as well as the type,
to prevent inconsistencies between the entity and the type.
From-SVN: r251761
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2017-09-06 Eric Botcazou <ebotcazou@adacore.com>
* ali.ads (ALIs_Record): Add No_Component_Reordering component.
(No_Component_Reordering_Specified): New switch.
* ali.adb (Initialize_ALI): Set No_Component_Reordering_Specified.
(Scan_ALI): Set No_Component_Reordering and deal with NC marker.
* bcheck.adb (Check_Consistent_No_Component_Reordering):
New check.
(Check_Configuration_Consistency): Invoke it.
* debug.adb (d.r): Toggle the effect of the switch.
(d.v): Change to no-op.
* einfo.ads (Has_Complex_Representation):
Restrict to record types.
(No_Reordering): New alias for Flag239.
(OK_To_Reorder_Components): Delete.
(No_Reordering): Declare.
(Set_No_Reordering): Likewise.
(OK_To_Reorder_Components): Delete.
(Set_OK_To_Reorder_Components): Likewise.
* einfo.adb (Has_Complex_Representation): Expect record types.
(No_Reordering): New function.
(OK_To_Reorder_Components): Delete.
(Set_Has_Complex_Representation): Expect base record types.
(Set_No_Reordering): New procedure.
(Set_OK_To_Reorder_Components): Delete.
(Write_Entity_Flags): Adjust to above change.
* fe.h (Debug_Flag_Dot_R): New macro and declaration.
* freeze.adb (Freeze_Record_Type): Remove conditional code setting
OK_To_Reorder_Components on record types with convention Ada.
* lib-writ.adb (Write_ALI): Deal with NC marker.
* opt.ads (No_Component_Reordering): New flag.
(No_Component_Reordering_Config): Likewise.
(Config_Switches_Type): Add No_Component_Reordering component.
* opt.adb (Register_Opt_Config_Switches): Copy
No_Component_Reordering onto No_Component_Reordering_Config.
(Restore_Opt_Config_Switches): Restore No_Component_Reordering.
(Save_Opt_Config_Switches): Save No_Component_Reordering.
(Set_Opt_Config_Switches): Set No_Component_Reordering.
* par-prag.adb (Prag): Deal with Pragma_No_Component_Reordering.
* sem_ch3.adb (Analyze_Private_Extension_Declaration): Also set the
No_Reordering flag from the default.
(Build_Derived_Private_Type): Likewise.
(Build_Derived_Record_Type): Likewise. Then inherit it
for untagged types and clean up handling of similar flags.
(Record_Type_Declaration): Likewise.
* sem_ch13.adb (Same_Representation): Deal with No_Reordering and
remove redundant test on Is_Tagged_Type.
* sem_prag.adb (Analyze_Pragma): Handle No_Component_Reordering.
(Sig_Flags): Likewise.
* snames.ads-tmpl (Name_No_Component_Reordering): New name.
(Pragma_Id): Add Pragma_No_Component_Reordering value.
* warnsw.adb (Set_GNAT_Mode_Warnings): Enable -gnatw.q as well.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Type>:
Copy the layout of the parent type only if the No_Reordering
settings match.
(components_to_record): Reorder record types with
convention Ada by default unless No_Reordering is set or -gnatd.r
is specified and do not warn if No_Reordering is set in GNAT mode.
2017-09-06 Ed Schonberg <schonberg@adacore.com>
* sem_util.ads, sem_util.adb (Check_Previous_Null_Procedure):
new predicate to reject declarations that can be completions,
when there is a visible prior homograph that is a null procedure.
* sem_ch6.adb (Analyze_Null_Procedure): use it.
* sem_ch8.adb (Analyze_Subprogram_Renaming): ditto.
2017-09-06 Thomas Quinot <quinot@adacore.com>
* s-regpat.adb (Compile.Parse_Literal): Fix handling of literal
run of 253 characters or more.
From-SVN: r251760
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2017-09-06 Ed Schonberg <schonberg@adacore.com>
* einfo.adb (Designated_Type): Use Is_Incomplete_Type to handle
properly incomplete subtypes that may be created by explicit or
implicit declarations.
(Is_Base_Type): Take E_Incomplete_Subtype into account.
(Subtype_Kind): Ditto.
* sem_ch3.adb (Build_Discriminated_Subtype): Set properly the
Ekind of a subtype of a discriminated incomplete type.
(Fixup_Bad_Constraint): Use Subtype_Kind in all cases, including
incomplete types, to preserve error reporting.
(Process_Incomplete_Dependents): Do not create a subtype
declaration for an incomplete subtype that is created internally.
* sem_ch7.adb (Analyze_Package_Specification): Handle properly
incomplete subtypes that do not require a completion, either
because they are limited views, of they are generic actuals.
2017-09-06 Hristian Kirtchev <kirtchev@adacore.com>
* checks.adb (Insert_Valid_Check): Remove the
suspicious manipulation of the Do_Range_Check flag as ths is
no linger needed. Suppress validity check when analysing the
validation variable.
2017-09-06 Philippe Gil <gil@adacore.com>
* g-debpoo.adb: adapt GNAT.Debug_Pools to allow safe thread
GNATCOLL.Memory
2017-09-06 Bob Duff <duff@adacore.com>
* sem_elim.adb: Minor comment fix.
2017-09-06 Ed Schonberg <schonberg@adacore.com>
* sem_util.adb (Is_Object_Reference): A function call is an
object reference, and thus attribute references for attributes
that are functions (such as Pred and Succ) as well as predefined
operators are legal in contexts that require an object, such as
the prefix of attribute Img and the Ada2020 version of 'Image.
From-SVN: r251759
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2017-09-06 Hristian Kirtchev <kirtchev@adacore.com>
* exp_util.adb, einfo.adb, sem_attr.adb, exp_ch4.adb, gnatls.adb,
exp_ch3.adb, xoscons.adb: Minor reformatting.
From-SVN: r251758
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2017-09-06 Raphael Amiard <amiard@adacore.com>
* a-chtgop.ads, a-chtgop.adb: Add versions of First and Next with
Position parameter. If supplied, use it to provide efficient iteration.
* a-cohase.ads, a-cohase.adb, a-cihama.ads, a-cihama.adb,
a-cohama.ads, a-cohama.adb: Add/Use Position to provide efficient
iteration.
2017-09-06 Ed Schonberg <schonberg@adacore.com>
* exp_util.adb (Build_Allocate_Deallocate_Proc): If the
designated type is class-wide and the expression is an unchecked
conversion, preserve the conversion when checking the tag of the
designated object, to prevent spurious semantic errors when the
expression in the conversion has an untagged type (for example
an address attribute).
From-SVN: r251757
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2017-09-06 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/82078
gcc/
* tree-sra.c (sort_and_splice_var_accesses): Move call to
add_access_to_work_queue...
(build_accesses_from_assign): ...here.
(propagate_all_subaccesses): Make sure racc is the group
representative, if there is one.
gcc/testsuite/
* gcc.dg/tree-ssa/pr82078.c: New test.
From-SVN: r251756
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2017-09-06 Ed Schonberg <schonberg@adacore.com>
* sem_res.adb (Resolve_Entry_Call): Check whether a protected
operation is subject to a pragma Eliminate.
2017-09-06 Ed Schonberg <schonberg@adacore.com>
* sem_elim.ads, exp_ch4.adb: Minor reformatting.
2017-09-06 Eric Botcazou <ebotcazou@adacore.com>
* fe.h (Eliminate_Error_Msg): Remove.
From-SVN: r251755
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PR middle-end/82095
* varasm.c (categorize_decl_for_section): Use SECCAT_TBSS for TLS vars with
NULL DECL_INITIAL.
* gcc.dg/tls/pr82095.c: New test.
From-SVN: r251754
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* gimple-ssa-strength-reduction.c
(find_candidates_dom_walker::before_doom_children): Use a
type and not a mode check.
From-SVN: r251753
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2017-09-06 Bernd Edlinger <bernd.edlinger@hotmail.de>
PR target/77308
* config/arm/predicates.md (arm_general_adddi_operand): Create new
non-vfp predicate.
* config/arm/arm.md (*arm_adddi3, *arm_subdi3): Use new predicates.
From-SVN: r251752
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PR tree-optimization/64910
* tree-ssa-reassoc.c (reassociate_bb): Restrict last change to
cases where we have 3 or more operands.
From-SVN: r251751
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From-SVN: r251750
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PR middle-end/81768
* omp-low.c (lower_omp_for): Recompute tree invariant if
gimple_omp_for_initial/final is ADDR_EXPR.
* gcc.dg/gomp/pr81768-2.c: New test.
From-SVN: r251742
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PR middle-end/81768
* omp-expand.c (expand_omp_simd): Force second operands of COND_EXPR
into gimple val before gimplification fo the COND_EXPR.
* gcc.dg/gomp/pr81768-1.c: New test.
From-SVN: r251741
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argument.
* tree-ssa-threadupdate.c (duplicate_thread_path): Remove unused
REGION_COPY argument.
(thread_through_all_blocks): Remove unused argument to
duplicate_thread_path.
From-SVN: r251740
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* name-lookup.c (do_class_using_decl): Elide read-once temps.
Move declarations to initializations.
From-SVN: r251738
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* class.c (add_method): Move slot search and insertion to ...
* name-lookup.c (get_method_slot): ... this new function.
(lookup_fnfields_slot_nolazy): Cope with NULL slot.
* name-lookup.h (get_method_slot): Declare.
* decl.c (cxx_init_decl_processinng): Give conv_op_marker a more
realistic type.
(grok_special_member_properties): Set
TYPE_HAS_CONVERSION. Expicitly look at DECL_NAME for specialness.
Improve TYPE_HAS_CONSTEXPR_CTOR setting.
From-SVN: r251737
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Similar to the previous scalar_int_mode patch.
2017-09-05 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* config/aarch64/aarch64-protos.h (aarch64_gen_adjusted_ldpstp):
Take a scalar_mode rather than a machine_mode.
(aarch64_operands_adjust_ok_for_ldpstp): Likewise.
* config/aarch64/aarch64.c (aarch64_simd_container_mode): Likewise.
(aarch64_operands_adjust_ok_for_ldpstp): Likewise.
(aarch64_gen_adjusted_ldpstp): Likewise.
(aarch64_expand_vector_init): Use scalar_mode instead of machine_mode.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r251736
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This patch makes the AArch64 port use scalar_int_mode in various places.
Other ports won't need this kind of change; we only need it for AArch64
because of the variable-sized SVE modes.
The only change in functionality is in the rtx_costs handling
of CONST_INT. If the caller doesn't supply a mode, we now pass
word_mode rather than VOIDmode to aarch64_internal_mov_immediate.
aarch64_movw_imm will therefore not now truncate large constants
in this situation.
2017-09-05 Richard Sandiford <richard.sandiford@linaro.org>
Alan Hayward <alan.hayward@arm.com>
David Sherwood <david.sherwood@arm.com>
gcc/
* config/aarch64/aarch64-protos.h (aarch64_is_extend_from_extract):
Take a scalar_int_mode instead of a machine_mode.
(aarch64_mask_and_shift_for_ubfiz_p): Likewise.
(aarch64_output_scalar_simd_mov_immediate): Likewise.
(aarch64_simd_scalar_immediate_valid_for_move): Likewise.
(aarch64_simd_attr_length_rglist): Delete.
* config/aarch64/aarch64.c (aarch64_is_extend_from_extract): Take
a scalar_int_mode instead of a machine_mode.
(aarch64_add_offset): Likewise.
(aarch64_internal_mov_immediate): Likewise
(aarch64_add_constant_internal): Likewise.
(aarch64_add_constant): Likewise.
(aarch64_movw_imm): Likewise.
(aarch64_rtx_arith_op_extract_p): Likewise.
(aarch64_mask_and_shift_for_ubfiz_p): Likewise.
(aarch64_simd_scalar_immediate_valid_for_move): Likewise.
Remove assert that the mode isn't a vector.
(aarch64_output_scalar_simd_mov_immediate): Likewise.
(aarch64_expand_mov_immediate): Update calls after above changes.
(aarch64_output_casesi): Use as_a <scalar_int_mode>.
(aarch64_and_bitmask_imm): Check for scalar integer modes.
(aarch64_move_imm): Likewise.
(aarch64_can_const_movi_rtx_p): Likewise.
(aarch64_strip_extend): Likewise.
(aarch64_extr_rtx_p): Likewise.
(aarch64_rtx_costs): Likewise, using wode_mode as the mode of
a CONST_INT when the mode parameter is VOIDmode.
(aarch64_float_const_rtx_p): Use scalar_int_mode for a temporary.
Co-Authored-By: Alan Hayward <alan.hayward@arm.com>
Co-Authored-By: David Sherwood <david.sherwood@arm.com>
From-SVN: r251735
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* cp-tree.h (lang_decl_base): Rename template_conv_p to
unknown_bound_p.
(DECL_CONV_FN_P): Don't check NULL DECL_NAME.
(DECL_CONV_FN_TYPE): FN must be conv op.
(DECL_TEMPLATE_CONV_FN_P): Delete.
(VAR_HAD_UNKNOWN_BOUND, SET_VAR_HAD_UNKNOWN_BOUND): Adjust.
* pt.c (push_template_decl_real): Delete DECL_TEMPLATE_CONV_FN_P
From-SVN: r251734
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2017-09-05 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* machmode.h (bitwise_mode_for_mode): Return opt_mode.
* stor-layout.c (bitwise_mode_for_mode): Likewise.
(bitwise_type_for_mode): Update accordingly.
From-SVN: r251733
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...for consistency with mode_for_size
2017-09-05 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* stor-layout.h (mode_for_size_tree): Return an opt_mode.
* stor-layout.c (mode_for_size_tree): Likewise.
(mode_for_array): Update accordingly.
(layout_decl): Likewise.
(compute_record_mode): Likewise. Only set the mode once.
gcc/ada/
* gcc-interface/utils.c (make_packable_type): Update call to
mode_for_size_tree.
From-SVN: r251732
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...for consistency with mode_for_vector.
2017-09-05 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* target.def (get_mask_mode): Change return type to opt_mode.
Expand commentary.
* doc/tm.texi: Regenerate.
* targhooks.h (default_get_mask_mode): Return an opt_mode.
* targhooks.c (default_get_mask_mode): Likewise.
* config/i386/i386.c (ix86_get_mask_mode): Likewise.
* optabs-query.c (can_vec_mask_load_store_p): Update use of
targetm.get_mask_mode.
* tree.c (build_truth_vector_type): Likewise.
From-SVN: r251731
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...following on from the mode_for_size change. The patch also removes
machmode.h versions of the stor-layout.c comments, since the comments
in the .c file are more complete.
2017-09-05 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* machmode.h (mode_for_vector): Return an opt_mode.
* stor-layout.c (mode_for_vector): Likewise.
(mode_for_int_vector): Update accordingly.
(layout_type): Likewise.
* config/i386/i386.c (emit_memmov): Likewise.
(ix86_expand_set_or_movmem): Likewise.
(ix86_expand_vector_init): Likewise.
(ix86_get_mask_mode): Likewise.
* config/powerpcspe/powerpcspe.c (rs6000_expand_vec_perm_const_1):
Likewise.
* config/rs6000/rs6000.c (rs6000_expand_vec_perm_const_1): Likewise.
* expmed.c (extract_bit_field_1): Likewise.
* expr.c (expand_expr_real_2): Likewise.
* optabs-query.c (can_vec_perm_p): Likewise.
(can_vec_mask_load_store_p): Likewise.
* optabs.c (expand_vec_perm): Likewise.
* targhooks.c (default_get_mask_mode): Likewise.
* tree-vect-stmts.c (vectorizable_store): Likewise.
(vectorizable_load): Likewise.
(get_vectype_for_scalar_type_and_size): Likewise.
From-SVN: r251730
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There are at least a few places that want to create an integer vector
with a specified element size and element count, or to create the
integer equivalent of an existing mode. This patch adds helpers
for doing that.
The require ()s are all used in functions that go on to emit
instructions that use the result as a vector mode.
2017-09-05 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* machmode.h (mode_for_int_vector): New function.
* stor-layout.c (mode_for_int_vector): Likewise.
* config/aarch64/aarch64.c (aarch64_emit_approx_sqrt): Use it.
* config/powerpcspe/powerpcspe.c (rs6000_do_expand_vec_perm): Likewise.
* config/rs6000/rs6000.c (rs6000_do_expand_vec_perm): Likewise.
* config/s390/s390.c (s390_expand_vec_compare_cc): Likewise.
(s390_expand_vcond): Likewise.
From-SVN: r251729
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...to make it consistent with int_mode_for_size etc.
require () seems like the right choice in replace_reg_with_saved_mem
because we use the chosen mode for saving and restoring registers,
which cannot be done in BLKmode. Similarly require () seems like
the right choice in calls related to secondary memory reloads (the ones
in config/, and in get_secondary_mem) because the reload must always
have a defined mode, which e.g. determines the size of the slot.
We can use require () in simplify_subreg_concatn and assemble_integer
because it isn't meaningful to create a subreg with BLKmode (for one
thing, we couldn't tell then whether it was partial, paradoxical, etc.).
make_fract_type and make_accum_type must find a mode because that's
what distinguishes accumulator FIXED_POINT_TYPEs from fractional
FIXED_POINT_TYPEs.
2017-09-05 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* machmode.h (opt_machine_mode): New type.
(opt_mode<T>): Allow construction from anything that can be
converted to a T.
(is_a, as_a, dyn_cast): Add overloads for opt_mode.
(mode_for_size): Return an opt_machine_mode.
* stor-layout.c (mode_for_size): Likewise.
(mode_for_size_tree): Update call accordingly.
(bitwise_mode_for_mode): Likewise.
(make_fract_type): Likewise.
(make_accum_type): Likewise.
* caller-save.c (replace_reg_with_saved_mem): Update call
accordingly.
* config/alpha/alpha.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
* config/i386/i386.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
* config/s390/s390.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
* config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_MODE): Likewise.
* expmed.c (extract_bit_field_1): Likewise.
* reload.c (get_secondary_mem): Likewise.
* varasm.c (assemble_integer): Likewise.
* lower-subreg.c (simplify_subreg_concatn): Likewise. Move
early-out.
From-SVN: r251728
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This patch makes the binary float macros in real.h use
float_mode_for_size and adds a corresponding decimal_float_mode_for_size
for the decimal macros.
2017-09-05 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* machmode.h (decimal_float_mode_for_size): New function.
* real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use float_mode_for_size.
(REAL_VALUE_TO_TARGET_DOUBLE): Likewise.
(REAL_VALUE_TO_TARGET_SINGLE): Likewise.
(REAL_VALUE_TO_TARGET_DECIMAL128): Use decimal_float_mode_for_size.
(REAL_VALUE_TO_TARGET_DECIMAL64): Likewise.
(REAL_VALUE_TO_TARGET_DECIMAL32): Likewise.
From-SVN: r251727
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This patch converts more places that could use int_mode_for_size instead
of mode_for_size. This is in preparation for an upcoming patch that
makes mode_for_size itself return an opt_mode.
require () seems like the right choice in expand_builtin_powi
because we have got past the point of backing out. We go on to do:
op1 = expand_expr (arg1, NULL_RTX, mode2, EXPAND_NORMAL);
if (GET_MODE (op1) != mode2)
op1 = convert_to_mode (mode2, op1, 0);
which would be invalid for (and have failed for) BLKmode.
In get_builtin_sync_mode and expand_ifn_atomic_compare_exchange,
the possible bitsizes are {8, 16, 32, 64, 128}, all of which give
target-independent integer modes (up to TImode). The comment above
the call in get_builtin_sync_mode makes clear that an integer mode
must be found.
We can use require () in expand_builtin_atomic_clear and
expand_builtin_atomic_test_and_set because there's always an integer
mode for the boolean type. The same goes for the POINTER_SIZE request
in layout_type. Similarly we can use require () in combine_instructions
and gen_lowpart_common because there's always an integer mode for
HOST_BITS_PER_WIDE_INT (DImode when BITS_PER_UNIT == 8), and
HOST_BITS_PER_DOUBLE_INT (TImode).
The calls in aarch64_function_value, arm_function_value,
aapcs_allocate_return_reg and mips_function_value_1 are handling
cases in which a big-endian target passes or returns values at
the most significant end of a register. In each case the ABI
constrains the size to a small amount and does not handle
non-power-of-2 sizes wider than a word.
The calls in c6x_expand_movmem, i386.c:emit_memset,
lm32_block_move_inline, microblaze_block_move_straight and
mips_block_move_straight are dealing with expansions of
block memory operations using register-wise operations,
and those registers must have non-BLK mode.
The reason for using require () in ix86_expand_sse_cmp,
mips_expand_ins_as_unaligned_store, spu.c:adjust_operand and
spu_emit_branch_and_set is that we go on to emit non-call
instructions that use registers of that mode, which wouldn't
be valid for BLKmode.
2017-09-05 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* builtins.c (expand_builtin_powi): Use int_mode_for_size.
(get_builtin_sync_mode): Likewise.
(expand_ifn_atomic_compare_exchange): Likewise.
(expand_builtin_atomic_clear): Likewise.
(expand_builtin_atomic_test_and_set): Likewise.
(fold_builtin_atomic_always_lock_free): Likewise.
* calls.c (compute_argument_addresses): Likewise.
(emit_library_call_value_1): Likewise.
(store_one_arg): Likewise.
* combine.c (combine_instructions): Likewise.
* config/aarch64/aarch64.c (aarch64_function_value): Likewise.
* config/arm/arm.c (arm_function_value): Likewise.
(aapcs_allocate_return_reg): Likewise.
* config/c6x/c6x.c (c6x_expand_movmem): Likewise.
* config/i386/i386.c (construct_container): Likewise.
(ix86_gimplify_va_arg): Likewise.
(ix86_expand_sse_cmp): Likewise.
(emit_memmov): Likewise.
(emit_memset): Likewise.
(expand_small_movmem_or_setmem): Likewise.
(ix86_expand_pextr): Likewise.
(ix86_expand_pinsr): Likewise.
* config/lm32/lm32.c (lm32_block_move_inline): Likewise.
* config/microblaze/microblaze.c (microblaze_block_move_straight):
Likewise.
* config/mips/mips.c (mips_function_value_1) Likewise.
(mips_block_move_straight): Likewise.
(mips_expand_ins_as_unaligned_store): Likewise.
* config/powerpcspe/powerpcspe.c
(rs6000_darwin64_record_arg_advance_flush): Likewise.
(rs6000_darwin64_record_arg_flush): Likewise.
* config/rs6000/rs6000.c
(rs6000_darwin64_record_arg_advance_flush): Likewise.
(rs6000_darwin64_record_arg_flush): Likewise.
* config/sparc/sparc.c (sparc_function_arg_1): Likewise.
(sparc_function_value_1): Likewise.
* config/spu/spu.c (adjust_operand): Likewise.
(spu_emit_branch_or_set): Likewise.
(arith_immediate_p): Likewise.
* emit-rtl.c (gen_lowpart_common): Likewise.
* expr.c (expand_expr_real_1): Likewise.
* function.c (assign_parm_setup_block): Likewise.
* gimple-ssa-store-merging.c (encode_tree_to_bitpos): Likewise.
* reload1.c (alter_reg): Likewise.
* stor-layout.c (mode_for_vector): Likewise.
(layout_type): Likewise.
gcc/ada/
* gcc-interface/utils2.c (build_load_modify_store):
Use int_mode_for_size.
From-SVN: r251726
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|
This patch converts more places that could use int_mode_for_mode
instead of mode_for_size. This is in preparation for an upcoming
patch that makes mode_for_size itself return an opt_mode.
The reason for using required () in exp2_immediate_p is that
we go on to do:
trunc_int_for_mode (..., int_mode)
which would be invalid for (and have failed for) BLKmode.
The reason for using required () in spu_convert_move and
resolve_simple_move is that we go on to use registers of
the returned mode in non-call rtl instructions, which would
be invalid for BLKmode.
2017-09-05 Richard Sandiford <richard.sandiford@linaro.org>
gcc/
* config/spu/spu.c (exp2_immediate_p): Use int_mode_for_mode.
(spu_convert_move): Likewise.
* lower-subreg.c (resolve_simple_move): Likewise.
From-SVN: r251725
|
|
* class.c (unreverse_member_declarations): Remove extraneous if.
* pt.c (push_template_decl_real): Use string concatenation, not
\<newline>. Add %<..%>.
From-SVN: r251724
|
|
scalarproduct_int16_vsx at -O1)
[gcc]
2017-09-05 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR target/81833
* config/rs6000/altivec.md (altivec_vsum2sws): Convert from a
define_insn to a define_expand.
(altivec_vsum2sws_direct): New define_insn.
(altivec_vsumsws): Convert from a define_insn to a define_expand.
[gcc/testsuite]
2017-09-05 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
PR target/81833
* gcc.target/powerpc/pr81833-1.c: New file.
* gcc.target/powerpc/pr81833-2.c: New file.
From-SVN: r251723
|
|
Improve the logic when setting max_insns_skipped. Limit the maximum size of IT
to MAX_INSN_PER_IT_BLOCK as otherwise multiple IT instructions are needed,
increasing codesize. Given 4 works well for Thumb-2, use the same limit for ARM
for consistency.
gcc/
* config/arm/arm.c (arm_option_params_internal): Improve setting of
max_insns_skipped.
From-SVN: r251720
|
|
ix86_finalize_stack_frame_flags has been extended to eliminate frame
pointer when the new stack frame isn't needed with and without
-maccumulate-outgoing-args as well as -fomit-frame-pointer. Since stack
access with larger alignment may be optimized out, to decide if stack
realignment is needed, we need to not only check for stack frame access,
but also verify the alignment of stack frame access. Since alignment of
memory access via arg_pointer is set up by caller, not by callee, we
should find the maximum stack alignment from the stack frame access
instructions via stack pointer and frame pointrer to avoid stack
realignment when stack alignment needed is less than incoming stack
boundary.
gcc/
PR target/59501
PR target/81624
PR target/81769
* config/i386/i386.c (ix86_finalize_stack_frame_flags): Don't
realign stack if stack alignment needed is less than incoming
stack boundary.
gcc/testsuite/
PR target/59501
PR target/81624
PR target/81769
* gcc.target/i386/pr59501-4a.c: Remove xfail.
* gcc.target/i386/pr81769-1a.c: New test.
* gcc.target/i386/pr81769-1b.c: Likewise.
* gcc.target/i386/pr81769-2.c: Likewise.
From-SVN: r251718
|
|
PR sanitizer/82072
* convert.c (convert_to_integer_1) <case NEGATE_EXPR>: Move the ubsan
check earlier.
* c-c++-common/ubsan/pr82072-2.c: New test.
From-SVN: r251717
|
|
/cp
2017-09-05 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/81942
* cp-tree.h (LABEL_DECL_CDTOR): Add and document.
* decl.c (start_preparsed_function): Set LABEL_DECL_CDTOR when
creating cdtor_label.
* constexpr.c (returns): Add the case of a constructor/destructor
returning via a LABEL_DECL_CDTOR label.
(cxx_eval_constant_expression, case [GOTO_EXPR]): Likewise.
/testsuite
2017-09-05 Paolo Carlini <paolo.carlini@oracle.com>
PR c++/81942
* g++.dg/cpp1y/constexpr-return3.C: New.
From-SVN: r251714
|
|
This patch improves alloca alignment. Currently alloca reserves
too much space as it aligns twice, and generates unnecessary stack
alignment code.
When the requested alignment is lower than the stack alignment, no
extra alignment is needed. If the requested alignment is higher,
we need to increase the size by the difference of the requested
alignment and the stack alignment. As a result, the alloca alignment
is exactly as expected:
alloca (16):
sub sp, sp, #16
mov x1, sp
alloca (x):
add x0, x0, 15
and x0, x0, -16
sub sp, sp, x0
mov x0, sp
__builtin_alloca_with_align (x, 512):
add x0, x0, 63
and x0, x0, -16
sub sp, sp, x0
add x0, sp, 63
and x0, x0, -64
gcc/
* explow.c (get_dynamic_stack_size): Improve dynamic alignment.
From-SVN: r251713
|
|
2017-09-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/82084
* fold-const.c (can_native_encode_string_p): Handle wide characters.
From-SVN: r251711
|
|
PR ada/62235
* gcc-interface/decl.c (gnat_to_gnu_entity): Skip regular processing
for Itypes that are E_Record_Subtype with a cloned subtype.
<E_Record_Subtype>: Use the DECL of the cloned type directly, if any.
From-SVN: r251706
|
|
expression has a different...
* gcc-interface/trans.c (convert_with_check): Use a custom base type
if the base type of the expression has a different machine mode.
Rename a couple of parameters and local variable.
From-SVN: r251705
|
|
are not references.
* gcc-interface/trans.c (Attribute_to_gnu) <Attr_Address>: Do not strip
conversions around prefixes that are not references.
From-SVN: r251704
|
|
type with size 0...
* gcc-interface/utils.c (unchecked_convert): When the result type is a
non-biased integral type with size 0, set the result to 0 directly.
From-SVN: r251701
|
|
* gcc-interface/gigi.h (renaming_from_generic_instantiation_p): Turn to
(renaming_from_instantiation_p): ...this.
* gcc-interface/decl.c (gnat_to_gnu_entity): Use inline predicate
instead of explicit tests on kind of entities. Adjust for renaming.
(gnat_to_gnu_profile_type): Likewise.
(gnat_to_gnu_subprog_type): Likewise.
* gcc-interface/trans.c (Identifier_to_gnu): Likewise.
(Case_Statement_to_gnu): Likewise.
(gnat_to_gnu): Likewise.
(process_freeze_entity): Likewise.
(process_type): Likewise.
(add_stmt_with_node): Adjust for renaming.
* gcc-interface/utils.c (gnat_pushdecl): Adjust for renaming.
(renaming_from_generic_instantiation_p): Rename to...
(renaming_from_instantiation_p): ...this. Use inline predicate.
(pad_type_hasher::keep_cache_entry): Fold.
From-SVN: r251700
|
|
* gcc-interface/trans.c (adjust_for_implicit_deref): New function.
(gnat_to_gnu) <N_Explicit_Dereference>: Translate result type first.
(N_Indexed_Component): Invoke adjust_for_implicit_deref on the prefix.
(N_Slice): Likewise.
(N_Selected_Component): Likewise. Do not try again to translate it.
(N_Free_Statement): Invoke adjust_for_implicit_deref on the expression.
From-SVN: r251699
|
|
* repinfo.ads: Document new treatment of dynamic values.
(TCode): Bump upper bound to 29.
(Dynamic_Val): New constant set to 29.
* repinfo.adb (Print_Expr) <Dynamic_Val>: New case.
(Rep_Value) <Dynamic_Val>: Likewise.
* repinfo.h (Dynamic_Val): New macro.
* gcc-interface/decl.c (annotate_value): Tidy up and cache result for
DECL_P nodes too.
<INTEGER_CST>: Set TCODE instead of recursing.
<COMPONENT_REF>: Set TCODE instead of calling Create_Node manually.
<VAR_DECL>: New case.
<MULT_EXPR, PLUS_EXPR>: Fold conversions into inner operations.
<BIT_AND_EXPR>: Adjust.
<CALL_EXPR>: Do not fall through.
From-SVN: r251698
|
|
* gcc-interface/trans.c (Call_to_gnu): If this is a function call and
there is no target, do not create a temporary for the return value for
an allocator either.
From-SVN: r251695
|
|
/home/arnd/git/gcc/gcc/tree-ssa-pre.c:4863)
2017-09-05 Richard Biener <rguenther@suse.de>
PR tree-optimization/82102
* tree-ssa-pre.c (fini_eliminate): Check if lhs is NULL.
* gcc.dg/torture/pr82102.c: New testcase.
From-SVN: r251692
|
|
* gcc-interface/trans.c (pos_to_constructor): Skip conversions to an
unconstrained array type.
From-SVN: r251691
|
