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intrinsics (PR94735).
The operands in RTL patterns of MVE vector scatter store intrinsics are wrongly grouped,
because of which few vector loads and stores instructions are wrongly getting optimized
out with -O2.
A new predicate "mve_scatter_memory" is defined in this patch, this predicate returns TRUE on
matching: (mem(reg)) for MVE scatter store intrinsics.
This patch fixes the issue by adding define_expand pattern with "mve_scatter_memory" predicate
and calls the corresponding define_insn by passing register_operand as first argument.
This register_operand is extracted from the operand with "mve_scatter_memory" predicate in
define_expand pattern.
gcc/ChangeLog:
2020-06-01 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
PR target/94735
* config/arm/predicates.md (mve_scatter_memory): Define to
match (mem (reg)) for scatter store memory.
* config/arm/mve.md (mve_vstrbq_scatter_offset_<supf><mode>): Modify
define_insn to define_expand.
(mve_vstrbq_scatter_offset_p_<supf><mode>): Likewise.
(mve_vstrhq_scatter_offset_<supf><mode>): Likewise.
(mve_vstrhq_scatter_shifted_offset_p_<supf><mode>): Likewise.
(mve_vstrhq_scatter_shifted_offset_<supf><mode>): Likewise.
(mve_vstrdq_scatter_offset_p_<supf>v2di): Likewise.
(mve_vstrdq_scatter_offset_<supf>v2di): Likewise.
(mve_vstrdq_scatter_shifted_offset_p_<supf>v2di): Likewise.
(mve_vstrdq_scatter_shifted_offset_<supf>v2di): Likewise.
(mve_vstrhq_scatter_offset_fv8hf): Likewise.
(mve_vstrhq_scatter_offset_p_fv8hf): Likewise.
(mve_vstrhq_scatter_shifted_offset_fv8hf): Likewise.
(mve_vstrhq_scatter_shifted_offset_p_fv8hf): Likewise.
(mve_vstrwq_scatter_offset_fv4sf): Likewise.
(mve_vstrwq_scatter_offset_p_fv4sf): Likewise.
(mve_vstrwq_scatter_offset_p_<supf>v4si): Likewise.
(mve_vstrwq_scatter_offset_<supf>v4si): Likewise.
(mve_vstrwq_scatter_shifted_offset_fv4sf): Likewise.
(mve_vstrwq_scatter_shifted_offset_p_fv4sf): Likewise.
(mve_vstrwq_scatter_shifted_offset_p_<supf>v4si): Likewise.
(mve_vstrwq_scatter_shifted_offset_<supf>v4si): Likewise.
(mve_vstrbq_scatter_offset_<supf><mode>_insn): Define insn for scatter
stores.
(mve_vstrbq_scatter_offset_p_<supf><mode>_insn): Likewise.
(mve_vstrhq_scatter_offset_<supf><mode>_insn): Likewise.
(mve_vstrhq_scatter_shifted_offset_p_<supf><mode>_insn): Likewise.
(mve_vstrhq_scatter_shifted_offset_<supf><mode>_insn): Likewise.
(mve_vstrdq_scatter_offset_p_<supf>v2di_insn): Likewise.
(mve_vstrdq_scatter_offset_<supf>v2di_insn): Likewise.
(mve_vstrdq_scatter_shifted_offset_p_<supf>v2di_insn): Likewise.
(mve_vstrdq_scatter_shifted_offset_<supf>v2di_insn): Likewise.
(mve_vstrhq_scatter_offset_fv8hf_insn): Likewise.
(mve_vstrhq_scatter_offset_p_fv8hf_insn): Likewise.
(mve_vstrhq_scatter_shifted_offset_fv8hf_insn): Likewise.
(mve_vstrhq_scatter_shifted_offset_p_fv8hf_insn): Likewise.
(mve_vstrwq_scatter_offset_fv4sf_insn): Likewise.
(mve_vstrwq_scatter_offset_p_fv4sf_insn): Likewise.
(mve_vstrwq_scatter_offset_p_<supf>v4si_insn): Likewise.
(mve_vstrwq_scatter_offset_<supf>v4si_insn): Likewise.
(mve_vstrwq_scatter_shifted_offset_fv4sf_insn): Likewise.
(mve_vstrwq_scatter_shifted_offset_p_fv4sf_insn): Likewise.
(mve_vstrwq_scatter_shifted_offset_p_<supf>v4si_insn): Likewise.
(mve_vstrwq_scatter_shifted_offset_<supf>v4si_insn): Likewise.
gcc/testsuite/ChangeLog:
2020-06-01 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
PR target/94735
* gcc.target/arm/mve/intrinsics/mve_vstore_scatter_base.c: New test.
* gcc.target/arm/mve/intrinsics/mve_vstore_scatter_base_p.c: Likewise.
* gcc.target/arm/mve/intrinsics/mve_vstore_scatter_offset.c: Likewise.
* gcc.target/arm/mve/intrinsics/mve_vstore_scatter_offset_p.c: Likewise.
* gcc.target/arm/mve/intrinsics/mve_vstore_scatter_shifted_offset.c:
Likewise.
* gcc.target/arm/mve/intrinsics/mve_vstore_scatter_shifted_offset_p.c:
Likewise.
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Following MVE intrinsic testcases are failing in GCC testsuite.
Directory: gcc.target/arm/mve/intrinsics/
Testcases: vbicq_f16.c, vbicq_f32.c, vbicq_s16.c, vbicq_s32.c, vbicq_s8.c
,vbicq_u16.c, vbicq_u32.c and vbicq_u8.c.
This patch fixes the vbicq intrinsics by modifying the intrinsic parameters
and polymorphic variants in "arm_mve.h" header file.
Thanks,
Srinath.
gcc/ChangeLog:
2020-05-20 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
* config/arm/arm_mve.h (__arm_vbicq_n_u16): Correct the intrinsic
arguments.
(__arm_vbicq_n_s16): Likewise.
(__arm_vbicq_n_u32): Likewise.
(__arm_vbicq_n_s32): Likewise.
(__arm_vbicq): Modify polymorphic variant.
gcc/testsuite/ChangeLog:
2020-05-20 Srinath Parvathaneni <srinath.parvathaneni@arm.com>
* gcc.target/arm/mve/intrinsics/vbicq_f16.c: Modify.
* gcc.target/arm/mve/intrinsics/vbicq_f32.c: Likewise.
* gcc.target/arm/mve/intrinsics/vbicq_n_s16.c: Likewise.
* gcc.target/arm/mve/intrinsics/vbicq_n_s32.c: Likewise.
* gcc.target/arm/mve/intrinsics/vbicq_n_u16.c: Likewise.
* gcc.target/arm/mve/intrinsics/vbicq_n_u32.c: Likewise.
* gcc.target/arm/mve/intrinsics/vbicq_s16.c: Likewise.
* gcc.target/arm/mve/intrinsics/vbicq_s32.c: Likewise.
* gcc.target/arm/mve/intrinsics/vbicq_s8.c: Likewise.
* gcc.target/arm/mve/intrinsics/vbicq_u16.c: Likewise.
* gcc.target/arm/mve/intrinsics/vbicq_u32.c: Likewise.
* gcc.target/arm/mve/intrinsics/vbicq_u8.c: Likewise.
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This adds vect_get_slp_vect_def to get at a SLP nodes vectorized def,
abstracting away the details. It also fixes one stray failure to
use SLP_TREE_REPRESENTATIVE.
2020-05-04 Richard Biener <rguenther@suse.de>
* tree-vectorizer.h (vect_get_slp_vect_def): Declare.
* tree-vect-loop.c (vect_create_epilog_for_reduction): Use it.
* tree-vect-stmts.c (vect_transform_stmt): Likewise.
(vect_is_simple_use): Use SLP_TREE_REPRESENTATIVE.
* tree-vect-slp.c (vect_get_slp_vect_defs): Fold into single
use ...
(vect_get_slp_defs): ... here.
(vect_get_slp_vect_def): New function.
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This adds an explicit number of scalar lanes to the SLP node
avoiding to dispatch between stmts/ops and eventually not require
those vectors at all.
2020-05-27 Richard Biener <rguenther@suse.de>
* tree-vectorizer.h (_slp_tree::lanes): New.
(SLP_TREE_LANES): Likewise.
* tree-vect-loop.c (vect_create_epilog_for_reduction): Use it.
(vectorizable_reduction): Likewise.
(vect_transform_cycle_phi): Likewise.
(vectorizable_induction): Likewise.
(vectorizable_live_operation): Likewise.
* tree-vect-slp.c (_slp_tree::_slp_tree): Initialize lanes.
(vect_create_new_slp_node): Likewise.
(slp_copy_subtree): Copy it.
(vect_optimize_slp): Use it.
(vect_slp_analyze_node_operations_1): Likewise.
(vect_slp_convert_to_external): Likewise.
(vect_bb_vectorization_profitable_p): Likewise.
* tree-vect-stmts.c (vectorizable_load): Likewise.
(get_vectype_for_scalar_type): Likewise.
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The following removes the ugly pushing of SLP_TREE_DEF_TYPE to
stmt_infos and instead makes sure to handle invariants fully
in vect_is_simple_use plus adjusting a few places I refrained
from touching when enforcing vector types for them.
It also simplifies building SLP nodes with all external operands
from scalars by not doing that in the parent but instead not
building those from the start. That also gets rid of
vect_update_all_shared_vectypes.
2020-06-04 Richard Biener <rguenther@suse.de>
* tree-vect-slp.c (vect_update_all_shared_vectypes): Remove.
(vect_build_slp_tree_2): Simplify building all external op
nodes from scalars.
(vect_slp_analyze_node_operations): Remove push/pop of
STMT_VINFO_DEF_TYPE.
(vect_schedule_slp_instance): Likewise.
* tree-vect-stmts.c (ect_check_store_rhs): Pass in the
stmt_info, use the vect_is_simple_use overload combining
SLP and stmt_info analysis.
(vect_is_simple_cond): Likewise.
(vectorizable_store): Adjust.
(vectorizable_condition): Likewise.
(vect_is_simple_use): Fully handle invariant SLP nodes
here. Amend stmt_info operand extraction with COND_EXPR
and masked stores.
* tree-vect-loop.c (vectorizable_reduction): Deal with
COND_EXPR representation ugliness.
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ADDR_EXPR.
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When dest is memory, zero-masking is not valid, only merging-masking is available,
2020-06-24 Hongtao Liu <hongtao.liu@inte.com>
gcc/ChangeLog:
PR target/95254
* config/i386/sse.md (*vcvtps2ph_store<merge_mask_name>):
Refine from *vcvtps2ph_store<mask_name>.
(vcvtps2ph256<mask_name>): Refine constraint from vm to v.
(<mask_codefor>avx512f_vcvtps2ph512<mask_name>): Ditto.
(*vcvtps2ph256<merge_mask_name>): New define_insn.
(*avx512f_vcvtps2ph512<merge_mask_name>): Ditto.
* config/i386/subst.md (merge_mask): New define_subst.
(merge_mask_name): New define_subst_attr.
(merge_mask_operand3): Ditto.
gcc/testsuite/ChangeLog:
* gcc.target/i386/avx512f-vcvtps2ph-pr95254.c: New test.
* gcc.target/i386/avx512vl-vcvtps2ph-pr95254.c: Ditto.
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2020-06-04 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/i-c.ads (long_long, unsigned_long_long): New
definitions.
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2020-06-04 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* Makefile.rtl: add a-tasini object
* impunit.adb (Non_Imp_File_Names_95): Add s-tasini.
* libgnarl/a-tasini.ads, libgnarl/a-tasini.adb: New files.
* libgnarl/s-taskin.ads (Global_Initialization_Handler): New.
* libgnarl/s-tassta.adb (Task_Wrapper): Call
Global_Initialization_Handler if non null.
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2020-06-04 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* sem_ch12.adb (Build_Suprogram_Body_Wrapper,
Build_Subprogram_Decl_Wrapper): New suprograms, to create the
wrappers needed to implement contracts on formsl subprograms at
the point of instantiation.
(Build_Subprogram_Wrappers): New subprogram within
Analyze_Associations, calls the above when the formal subprogram
has contracts, and expansion is enabled.
(Instantiate_Formal_Subprogram): If the actual is not an entity,
such as a function attribute, or a synchronized operation,
create a function with an internal name and call it within the
wrapper.
(Analyze_Generic_Formal_Part): Analyze contracts at the end of
the list of formal declarations.
* sem_prag.adb (Analyze_Pre_Post_Condtion): In Ada_2020 the
aspect and corresponding pragma can appear on a formal
subprogram declaration.
(Find_Related_Declaration_Or_Body): Ditto.
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2020-06-04 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* exp_ch7.adb (Make_Final_Call): Set the type of the object, if
it is unanalyzed, before calling Convert_View on it.
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2020-06-04 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* adabkend.adb, back_end.ads, opt.ads, sem_ch6.adb: Get rid of
Disable_FE_Inline_Always.
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2020-06-04 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* exp_ch7.adb (Make_Final_Call): Add missing guard.
* sem_ch3.adb (Copy_And_Build): Adjust recursive call for
private types.
(Build_Derived_Private_Type): Deal with underlying full views.
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2020-06-04 Bob Duff <duff@adacore.com>
gcc/ada/
* libgnat/a-stobbu.adb, libgnat/a-stobbu.ads,
libgnat/a-stobfi.adb, libgnat/a-stobfi.ads,
libgnat/a-stoubu.adb, libgnat/a-stoubu.ads,
libgnat/a-stoufi.adb, libgnat/a-stoufi.ads,
libgnat/a-stoufo.adb, libgnat/a-stoufo.ads,
libgnat/a-stouut.adb, libgnat/a-stouut.ads,
libgnat/a-stteou.ads, libgnat/s-putaim.adb,
libgnat/s-putaim.ads, libgnat/s-putima.adb, libgnat/s-putima.ads
(Ada.Strings.Text_Output and children, System.Put_Images): New
runtime support for Put_Image.
* gcc-interface/Make-lang.in (GNAT_ADA_OBJS): Add
exp_put_image.o.
* exp_put_image.adb, exp_put_image.ads: New compiler package
that generates calls to runtime routines that implement
Put_Image.
* Makefile.rtl: Add object files for Ada.Strings.Text_Output and
children and System.Put_Images.
* aspects.adb: Simplify initialization of Canonical_Aspect.
* aspects.ads: Improve documentation. Add Aspect_Put_Image.
* exp_attr.adb: Add support for Put_Image, by calling routines
in Exp_Put_Image.
* sem_util.adb (Is_Predefined_Dispatching_Operation): Return
True for new TSS_Put_Image operation.
* exp_ch3.adb: For tagged types, build a dispatching
TSS_Put_Image operation by calling routines in Exp_Put_Image.
* exp_disp.adb, exp_disp.ads: Make TSS_Put_Image be number 10,
adjusting other operations' numbers after 10. We choose 10
because that's the last number shared by all runtimes.
* exp_strm.adb: Use named notation as appropriate.
* exp_cg.adb, exp_tss.ads: Add TSS_Put_Image.
* libgnat/a-tags.ads: Modify Max_Predef_Prims for the new
TSS_Put_Image.
* impunit.adb: Add new runtime packages.
* rtsfind.adb, rtsfind.ads: Add support for
Ada.Strings.Text_Output, Ada.Strings.Text_Output.Utils, and
System.Put_Images.
* sem_attr.adb: Error checking for Put_Image calls.
* sem_ch12.adb (Valid_Default_Attribute): Support for passing
Put_Image as a generic formal parameter.
* sem_ch13.adb: Analysis of Put_Image aspect. Turn it into a
Put_Image attribute definition clause.
* sem_ch8.adb (Analyze_Subprogram_Renaming): Support for
renaming of the Put_Image attribute.
* snames.adb-tmpl: Fix comments.
* snames.ads-tmpl (Name_Put_Image): New Name_Id.
(Attribute_Put_Image): New Attribute_Id.
* tbuild.adb, tbuild.ads (Make_Increment): New utility.
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2020-06-04 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* exp_attr.adb (xpand_N_Attribute_Reference) <Input>: Call
Find_Inherited_TSS to look up the Stream_Read TSS.
<Output>: Likewise for the Stream_Write TSS.
* exp_ch7.adb (Make_Final_Call): Call Underlying_Type on
private types to account for underlying full views.
* exp_strm.ads (Build_Record_Or_Elementary_Input_Function):
Remove Use_Underlying parameter.
* exp_strm.adb (Build_Record_Or_Elementary_Input_Function):
Likewise and adjust accordingly.
* exp_tss.adb (Find_Inherited_TSS): Deal with full views.
Call Find_Inherited_TSS recursively on the parent type if
the base type is a derived type.
* sem_ch13.adb (Analyze_Attribute_Definition_Clause): Take
into account underlying full views for derived types.
* sem_ch3.adb (Copy_And_Build): Look up the underlying full
view only for a completion. Be prepared for private types.
(Build_Derived_Private_Type): Build an underlying full view
for a completion in the general case too.
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2020-06-04 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* back_end.adb, opt.ads, par-prag.adb, sem_ch5.adb,
sem_prag.adb, sinfo.adb, sinfo.ads, snames.ads-tmpl,
doc/gnat_rm/implementation_defined_pragmas.rst: Remove
experimental support for OpenACC.
* gcc-interface/misc.c, gcc-interface/trans.c,
gcc-interface/lang.opt: Ditto.
* gnat_rm.texi: Regenerate.
gcc/testsuite/
* gnat.dg/openacc1.adb: Remove testcase.
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2020-06-04 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* checks.adb (Generate_Discriminant_Check): Remove obsolete
comment.
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2020-06-04 Gary Dismukes <dismukes@adacore.com>
gcc/ada/
* par-ch3.adb (P_Identifier_Declarations): Add parsing of object
renamings that have neither a subtype_mark nor an
access_definition. Issue an error if the version is earlier than
Ada_2020, and suggest using -gnatX.
* sem_ch8.adb (Analyze_Object_Renaming): Handle
object_renaming_declarations that don't have an explicit
subtype. Errors are issued when the name is inappropriate or
ambiguous, and otherwise the Etype of the renaming entity is set
from the Etype of the renamed object.
* sem_util.adb (Has_Null_Exclusion): Allow for the case of no
subtype given in an N_Object_Renaming_Declaration.
* sprint.adb (Sprint_Node_Actual): Handle printing of
N_Object_Renaming_Declarations that are specified without an
explicit subtype.
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2020-06-04 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sinfo.ads (N_Delta_Aggregate): Document Etype field.
(N_Case_Expression): Likewise.
(Is_Syntactic_Field) <N_Quantified_Expression>: Adjust.
<N_Case_Expression>: Likewise.
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2020-06-04 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* adaint.c: Avoid redefining IS_DIR_SEPARATOR macro.
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2020-06-04 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* sem.adb (Walk_Library_Items): Defer processing of main spec
after all other specs and before processing bodies.
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2020-06-04 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* bindgen.adb (Gen_Adafinal): Adafinal is convention Ada, not C.
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2020-06-04 Ed Schonberg <schonberg@adacore.com>
gcc/ada/
* sinput.adb (Sloc_Range): Ignore node in the tree if it appears
in a unit different from that of the node whose Sloc range we
are computing. This is necessary when computing the source range
of a subprogram body whose declaration includes a pre- or
postcondition, because declaration and body may appear in
different units, and the expanded code for the body includes
copies of the contract code.
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2020-06-04 Alexandre Oliva <oliva@adacore.com>
gcc/ada/
* switch.adb (Is_Internal_GCC_Switch): Recognize dumpdir and
dumpbase-ext. Mark auxbase and auxbase-strip for removal.
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2020-06-04 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_attr.adb (Resolve_Attribute) <Access>: Do not generate
the secondary message about a missing pragma if the convention
of the prefix is Intrinsic.
* sem_ch12.adb (Instantiate_Formal_Subprogram): Only set the
Convention and the Is_Inlined flag on a null procedure.
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2020-06-04 Justin Squirek <squirek@adacore.com>
gcc/ada/
* sem_ch6.adb (Check_Return_Obj_Accessibility): Change to
Check_Return_Construct_Accessibility to better reflect its
purpose. Add loop to properly obtain the object declaration
from an expanded extended return statement and add calls to get
the original node for associated values. Also, avoid checks when
the return statement being examined comes from an internally
generated function.
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2020-06-04 Dmitriy Anisimkov <anisimko@adacore.com>
gcc/ada/
* adaint.c (__gnat_is_absolute_path): Check for directory
separator after drive and colon.
(IS_DIR_SEPARATOR): Define new inline substitution.
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2020-06-04 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* checks.ads: Update documentation about range checks and fix
minor other things.
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2020-06-04 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_ch3.adb (Array_Type_Declaration): Apply special handling
of private index types to generic packages and restrict it to
index types defined in the current scope.
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2020-06-04 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/a-exextr.adb (Global_Unhandled_Action): New global
variable.
(Notify_Exception): Take into account Global_Unhandled_Action
and fix latent race condition.
(Exception_Action): Mark Favor_Top_Level so that variables can
be atomic.
(Global_Action): Mark atomic to remove the need for a lock.
* libgnat/g-excact.ads, libgnat/g-excact.adb
(Register_Global_Unhandled_Action): New procedure.
(Register_Global_Action): Remove lock.
* libgnat/s-stalib.ads (Raise_Action): Mark Favor_Top_Level to
be compatible with Exception_Action.
* sem_warn.adb (Warn_On_Unreferenced_Entity): Fix logic wrt
Volatile entities and entities with an address clause: the code
did not match the comment/intent.
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2020-06-04 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* comperr.adb (Compiler_Abort): Update URL and bug report
instructions.
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2020-06-04 Steve Baird <baird@adacore.com>
gcc/ada/
* libgnat/s-imgrea.ads: Declare a named number
Max_Real_Image_Length with value 5200. Provide a comment
explaining why this value was chosen.
* libgnat/s-imgrea.adb (Set_Image_Real): Increase the upper
bound of the local String variable Digs to
Max_Real_Image_Length.
* libgnat/a-tiflau.adb (Put): Increase the upper bound of the
local String variable Buf to Max_Real_Image_Length.
(Puts): Increase the upper bound of the local String variable
Buf to Max_Real_Image_Length.
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2020-06-04 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnarl/a-dynpri.adb, libgnarl/a-taside.adb,
libgnarl/a-taster.adb, libgnarl/s-interr.adb,
libgnarl/s-interr__sigaction.adb, libgnarl/s-taasde.adb,
libgnarl/s-taenca.adb, libgnarl/s-taenca.ads,
libgnarl/s-taprop.ads, libgnarl/s-taprop__hpux-dce.adb,
libgnarl/s-taprop__linux.adb, libgnarl/s-taprop__mingw.adb,
libgnarl/s-taprop__posix.adb, libgnarl/s-taprop__qnx.adb,
libgnarl/s-taprop__solaris.adb, libgnarl/s-taprop__vxworks.adb,
libgnarl/s-tarest.adb, libgnarl/s-tasini.adb,
libgnarl/s-tasque.adb, libgnarl/s-tasque.ads,
libgnarl/s-tasren.adb, libgnarl/s-tasren.ads,
libgnarl/s-tassta.adb, libgnarl/s-tasuti.adb,
libgnarl/s-tasuti.ads, libgnarl/s-tpoben.adb,
libgnarl/s-tpobop.adb, libgnarl/s-tpopmo.adb,
libgnarl/s-tposen.adb, libgnat/s-parame.ads,
libgnat/s-parame__ae653.ads, libgnat/s-parame__hpux.ads,
libgnat/s-parame__vxworks.ads: Remove references to Single_Lock
and Global_Lock.
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2020-06-04 Arnaud Charlet <charlet@adacore.com>
gcc/ada/
* libgnat/s-atopar.adb, libgnat/s-atopex.adb: Use Object_Size
instead of Size, otherwise many derived types will be rejected
(e.g. a type with a 14 bits 'Size and a 16 bits 'Object_Size).
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2020-06-04 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_ch12.adb (Copy_Generic_Node): Add special handling for a
conversion between access types.
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2020-06-04 Eric Botcazou <ebotcazou@adacore.com>
gcc/ada/
* sem_ch12.adb (Check_Generic_Actuals): Also restore the proper
views of the actuals of the parent instances if the formals are
used as actuals of the children.
(Instantiate_Type): Add comment.
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2020-06-04 Gary Dismukes <dismukes@adacore.com>
gcc/ada/
* sem_ch12.adb: Minor editorial fixes.
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If there is a dominating store, a store to the same reference can not be
trapped. But previously, it only supports such check on MEM_REFs.
So this patch extends it to support ARRAY_REFs and COMPONENT_REFs.
This patch also supports a special case: if there is a dominating load of
local variable without address escape, a store is not trapped, as local
stack is always writable. Other loads are ignored for simplicity, as they
don't help to check if a store can be trapped (the memory may be read-only).
gcc/ChangeLog:
PR tree-optimization/89430
* tree-ssa-phiopt.c
(struct name_to_bb): Rename to ref_to_bb; add a new field exp;
remove ssa_name_ver, store, offset fields.
(struct ssa_names_hasher): Rename to refs_hasher; update functions.
(class nontrapping_dom_walker): Rename m_seen_ssa_names to m_seen_refs.
(nontrapping_dom_walker::add_or_mark_expr): Extend to support ARRAY_REFs
and COMPONENT_REFs.
gcc/testsuite/ChangeLog:
PR tree-optimization/89430
* gcc.dg/tree-ssa/pr89430-1.c: Remove xfail.
* gcc.dg/tree-ssa/pr89430-2.c: Remove xfail.
* gcc.dg/tree-ssa/pr89430-5.c: Remove xfail.
* gcc.dg/tree-ssa/pr89430-6.c: Remove xfail.
* gcc.dg/tree-ssa/pr89430-7-comp-ref.c: New test.
* gcc.dg/tree-ssa/pr89430-8-mem-ref-size.c: New test.
* gcc.dg/tree-ssa/ssa-pre-17.c: Add -fno-tree-cselim.
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When TARGET_VTABLE_USES_DESCRIPTORS is defined then function pointers in
the vtable are output by ASM_OUTPUT_FDESC. The only current user of
this is ia64, but its implementation of ASM_OUTPUT_FDESC lacks a call to
assemble_external. Thus if there is no other reference to the function
the weak declaration for it will be missing.
PR target/95154
* config/ia64/ia64.h (ASM_OUTPUT_FDESC): Call assemble_external.
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gcc/testsuite/
PR libfortran/59227
* gfortran.dg/erf_3.F90: Remove XFAIL on ia64-*-linux*.
libgcc/
PR target/59230
PR libfortran/59227
* config/ia64/t-softfp-compat (softfp_file_list): Filter out
soft-fp/divtf3.c.
(LIB2ADD): Add config/ia64/divtf3.c.
* config/ia64/divtf3.c: New file.
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2020-06-04 Hongtao.liu <hongtao.liu@intel.com>
gcc/ChangeLog:
* config/i386/sse.md (pmov_dst_3_lower): New mode attribute.
(trunc<mode><pmov_dst_3_lower>2): Refine from
trunc<mode><pmov_dst_3>2.
gcc/testsuite
* gcc.target/i386/pr92658-avx512bw-trunc.c: Adjust testcase.
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cxx_eval_outermost_constant_expr had a check for reinterpret_casts from
pointers (well, it checked from ADDR_EXPRs) to integral type, but that
only caught such cases at the toplevel of expressions.
As the comment said, it should be done even inside of the expressions,
but at the point of the writing e.g. pointer differences used to be a
problem. We now have POINTER_DIFF_EXPR, so this is no longer an issue.
Had to do it just for CONVERT_EXPR, because the FE emits NOP_EXPR casts
from pointers to integrals in various spots, e.g. for the PMR & 1 tests,
though on NOP_EXPR we have the REINTERPRET_CAST_P bit that we do check,
while on CONVERT_EXPR we don't.
2020-06-04 Jakub Jelinek <jakub@redhat.com>
PR c++/82304
PR c++/95307
* constexpr.c (cxx_eval_constant_expression): Diagnose CONVERT_EXPR
conversions from pointer types to arithmetic types here...
(cxx_eval_outermost_constant_expr): ... instead of here.
* g++.dg/template/pr79650.C: Expect different diagnostics and expect
it on all lines that do pointer to integer casts.
* g++.dg/cpp1y/constexpr-shift1.C: Expect different diagnostics.
* g++.dg/cpp1y/constexpr-82304.C: New test.
* g++.dg/cpp0x/constexpr-95307.C: New test.
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When reporting an error in cp_parser and we notice a string literal
followed by an unknown name check whether there is a known standard
header containing a string macro with the same name, then add a hint
to the error message to include that header.
gcc/c-family/ChangeLog:
* known-headers.cc (get_cp_stdlib_header_for_string_macro_name):
New function.
* known-headers.h (get_cp_stdlib_header_for_string_macro_name):
New function declaration.
gcc/cp/ChangeLog:
* parser.c (cp_lexer_safe_previous_token): New function.
(cp_parser_error_1): Add name_hint if the previous token is
a string literal and next token is a CPP_NAME and we have a
missing header suggestion for the name.
gcc/testsuite/ChangeLog:
* g++.dg/spellcheck-inttypes.C: Add string-literal testcases.
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This adds a flag to c_parser so we know when we were trying to
construct a string literal. If there is a parse error and we were
constructing a string literal, and the next token is an unknown
identifier name, and we know there is a standard header that defines
that name as a string literal, then add a missing header hint to
the error messsage.
The list of macro names are also used when providing a hint for
missing identifiers.
gcc/c-family/ChangeLog:
* known-headers.cc (get_string_macro_hint): New function.
(get_stdlib_header_for_name): Use get_string_macro_hint.
(get_c_stdlib_header_for_string_macro_name): New function.
* known-headers.h (get_c_stdlib_header_for_string_macro_name):
New function declaration.
gcc/c/ChangeLog:
* c-parser.c (struct c_parser): Add seen_string_literal
bitfield.
(c_parser_consume_token): Reset seen_string_literal.
(c_parser_error_richloc): Add name_hint if seen_string_literal
and next token is a CPP_NAME and we have a missing header
suggestion for the name.
(c_parser_string_literal): Set seen_string_literal.
gcc/testsuite/ChangeLog:
* gcc.dg/spellcheck-inttypes.c: New test.
* g++.dg/spellcheck-inttypes.C: Likewise.
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The C++ parser already tracks function call parens matching, but the C
parser doesn't. This adds the same functionality to the C parser and adds
a testcase showing the C++ and C parser matching function call parens
in an error message.
gcc/c/ChangeLog:
* c-parser.c (c_parser_postfix_expression_after_primary): Add
scope with matching_parens after CPP_OPEN_PAREN.
gcc/testsuite/ChangeLog:
* c-c++-common/missing-close-func-paren.c: New test.
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gcc/
* match.pd (tanh/sinh -> 1/cosh): New simplification.
gcc/testsuite
* gcc.dg/tanhbysinh.c: New testcase.
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* sv.po: Update.
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The same problem also arises for plfs where prefixed_load_p()
doesn't recognize it so we get just lfs in the asm output
with an @pcrel address.
PR target/95347
* config/rs6000/rs6000.c (is_stfs_insn): Rename to
is_lfs_stfs_insn and make it recognize lfs as well.
(prefixed_store_p): Use is_lfs_stfs_insn().
(prefixed_load_p): Use is_lfs_stfs_insn() to recognize lfs.
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When checking that a constrained partial specialization is more
constrained than the primary template, we pass only the innermost level
of generic template arguments to strictly_subsumes. This leads to us
doing a nonsensical substitution from normalize_concept_check if the
full set of template arguments has multiple levels, and it ultimately
causes strictly_subsumes to sometimes erroneously return false as in the
testcase below.
gcc/cp/ChangeLog:
* pt.c (process_partial_specialization): Pass the full set of
generic template arguments to strictly_subsumes.
gcc/testsuite/ChangeLog:
* g++.dg/cpp2a/concepts-partial-spec8.C: New test.
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