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2021-09-13Merged current trunk to branch.Thomas Koenig17-710/+1174
2020-12-07Housekeeping work in gigiEric Botcazou2-5/+4
gcc/ada/ChangeLog: * gcc-interface/Make-lang.in: Remove ^L characters. * gcc-interface/decl.c (create_concat_name): Add cast.
2020-12-07Fix internal error on library-level type extended locallyEric Botcazou1-2/+5
The compiler aborts on the local extension of a tagged type declared at library level, with a progenitor given by an interface type having a primitive that is a homograph of a primitive of the tagged type. gcc/ada/ChangeLog: * gcc-interface/trans.c (maybe_make_gnu_thunk): Return false if the target is local and thunk and target do not have the same context.
2020-12-07Fix assembler name collisionEric Botcazou2-1/+5
Gigi uses a dummy global variable to register global types for debug info purposes and its name can now collide with user variables. gcc/ada/ChangeLog: * gcc-interface/trans.c (lvalue_for_aggregate_p): Also return true for return statements. * gcc-interface/utils.c (gnat_write_global_declarations): Use the maximum index for the dummy object to avoid a name collision.
2020-12-07Fix oversight in earlier changeEric Botcazou1-0/+1
gcc/ada/ChangeLog: * gcc-interface/decl.c (gnat_to_gnu_entity) <Fixed_Point_Type>: Put back the "else" unduly removed.
2020-12-07Fix corner case issue with discriminated record typeEric Botcazou1-4/+14
The compiler generates code that writes too much data into a component of a record subject to a representation clause, when the source of the assignment is a call to a function that returns a discriminated record type with default discriminants, variable size and a statically known upper bound for this size, and the size of the component given by the representation clause is lower than the value of this bound rounded up to the alignment. gcc/ada/ChangeLog: * gcc-interface/trans.c (Call_to_gnu): Also create a temporary for the return value if the LHS is a bit-field and the return type is a type padding a self-referential type. (gnat_to_gnu): Do not remove the padding on the result if it is too small with regard to the natural padding size.
2020-12-07Fix problematic conversion to boolean typeEric Botcazou1-7/+9
The new ranger exposed a problematic conversion to boolean type. gcc/ada/ChangeLog: * gcc-interface/utils.c (convert) <INTEGER_TYPE>: Call fold_convert in the cases where convert_to_integer is not called. <BOOLEAN_TYPE>: Call fold_convert instead of convert_to_integer.
2020-11-30[Ada] Remove all ^L charactersArnaud Charlet2-3/+3
gcc/ada/ * gcc-interface/Makefile.in, gcc-interface/trans.c: Remove ^L characters.
2020-11-30[Ada] Enable checks on runtime by defaultArnaud Charlet1-1/+1
gcc/ada/ * gcc-interface/Makefile.in (GNATLIBFLAGS): Enable checks by default. * libgnat/s-bitfie.ads: Suppress alignment checks. * libgnat/s-bituti.adb: Minor reformatting. * libgnat/s-secsta.adb (SS_Allocate): Support Size = 0.
2020-11-20configury: Fix up --enable-link-serialization supportJakub Jelinek1-3/+3
Eric reported that the --enable-link-serialization changes seemed to cause the binaries to be always relinked, for example from the gcc/ directory of the build tree: make [relink of gnat1, brig1, cc1plus, d21, f951, go1, lto1, ...] make [relink of gnat1, brig1, cc1plus, d21, f951, go1, lto1, ...] Furthermore as reported in PR, it can cause problems during make install where make install rebuilds the binaries again. The problem is that for make .PHONY targets are just "rebuilt" always, so it is very much undesirable for the cc1plus$(exeext) etc. dependencies to include .PHONY targets, but I was using them - cc1plus.prev which would depend on some *.serial and e.g. cc1.serial depending on c and c depending on cc1$(exeext). The following patch rewrites this so that *.serial and *.prev aren't .PHONY targets, but instead just make variables. I was worried that the order in which the language makefile fragments are included (which is quite random, what order we get from the filesystem matching */config-lang.in) would be a problem but it seems to work fine - as it uses make = rather than := variables, later definitions are just fine for earlier uses as long as the uses aren't needed during the makefile parsing, but only in the dependencies of make targets and in their commands. 2020-11-20 Jakub Jelinek <jakub@redhat.com> PR other/97911 gcc/ * configure.ac: In SERIAL_LIST use lang words without .serial suffix. Change $lang.prev from a target to variable and instead of depending on *.serial expand to the *.serial variable if the word is in the SERIAL_LIST at all, otherwise to nothing. * configure: Regenerated. gcc/c/ * Make-lang.in (c.serial): Change from goal to a variable. (.PHONY): Drop c.serial. gcc/ada/ * gcc-interface/Make-lang.in (ada.serial): Change from goal to a variable. (.PHONY): Drop ada.serial and ada.prev. (gnat1$(exeext)): Depend on $(ada.serial) rather than ada.serial. gcc/brig/ * Make-lang.in (brig.serial): Change from goal to a variable. (.PHONY): Drop brig.serial and brig.prev. (brig1$(exeext)): Depend on $(brig.serial) rather than brig.serial. gcc/cp/ * Make-lang.in (c++.serial): Change from goal to a variable. (.PHONY): Drop c++.serial and c++.prev. (cc1plus$(exeext)): Depend on $(c++.serial) rather than c++.serial. gcc/d/ * Make-lang.in (d.serial): Change from goal to a variable. (.PHONY): Drop d.serial and d.prev. (d21$(exeext)): Depend on $(d.serial) rather than d.serial. gcc/fortran/ * Make-lang.in (fortran.serial): Change from goal to a variable. (.PHONY): Drop fortran.serial and fortran.prev. (f951$(exeext)): Depend on $(fortran.serial) rather than fortran.serial. gcc/go/ * Make-lang.in (go.serial): Change from goal to a variable. (.PHONY): Drop go.serial and go.prev. (go1$(exeext)): Depend on $(go.serial) rather than go.serial. gcc/jit/ * Make-lang.in (jit.serial): Change from goal to a variable. (.PHONY): Drop jit.serial and jit.prev. ($(LIBGCCJIT_FILENAME)): Depend on $(jit.serial) rather than jit.serial. gcc/lto/ * Make-lang.in (lto1.serial, lto2.serial): Change from goals to variables. (.PHONY): Drop lto1.serial, lto2.serial, lto1.prev and lto2.prev. ($(LTO_EXE)): Depend on $(lto1.serial) rather than lto1.serial. ($(LTO_DUMP_EXE)): Depend on $(lto2.serial) rather than lto2.serial. gcc/objc/ * Make-lang.in (objc.serial): Change from goal to a variable. (.PHONY): Drop objc.serial and objc.prev. (cc1obj$(exeext)): Depend on $(objc.serial) rather than objc.serial. gcc/objcp/ * Make-lang.in (obj-c++.serial): Change from goal to a variable. (.PHONY): Drop obj-c++.serial and obj-c++.prev. (cc1objplus$(exeext)): Depend on $(obj-c++.serial) rather than obj-c++.serial.
2020-11-19Enhance debug info for fixed-point typesEric Botcazou2-45/+12
The Ada language supports fixed-point types as first-class citizens so they need to be described as-is in the debug info. We devised the langhook get_fixed_point_type_info for this purpose a few years ago, but it comes with a limitation for the representation of the scale factor that we would need to lift in order to be able to represent more fixed-point types. gcc/ChangeLog: * dwarf2out.h (struct fixed_point_type_info) <scale_factor>: Turn numerator and denominator into a tree. * dwarf2out.c (base_type_die): In the case of a fixed-point type with arbitrary scale factor, call add_scalar_info on numerator and denominator to emit the appropriate attributes. gcc/ada/ChangeLog: * exp_dbug.adb (Is_Handled_Scale_Factor): Delete. (Get_Encoded_Name): Do not call it. * gcc-interface/decl.c (gnat_to_gnu_entity) <Fixed_Point_Type>: Tidy up and always use a meaningful description for arbitrary scale factors. * gcc-interface/misc.c (gnat_get_fixed_point_type_info): Remove obsolete block and adjust the description of the scale factor.
2020-11-18configury: --enable-link-serialization supportJakub Jelinek1-2/+6
When performing LTO bootstraps, especially when using tmpfs for /tmp, one can run a machine to halt when using higher levels of parallelism and a large number of FEs, because there are too many concurrent LTO link commands running at the same time and each one of them puts most of the middle-end/backend objects into /tmp. We have --enable-link-mutex configure option, but --enable-link-mutex has a big problem that it decreases number of available jobs by the number of link commands waiting for the lock, so e.g. when doing make -j32 build with 11 different big programs linked with $(LLINKER) we end up with just 22 effective jobs, and with e.g. make -j8 with those 11 different big programs we actually most likely serialize everything during linking onto a single job. The following patch implements a new configure option, --enable-link-serialization, which implements different serialization and as it doesn't use the mutex, just modifying the old option to be implemented differently would be strange. We can deprecate and later remove the old option. The new option doesn't use any shell mutexes, but uses make dependencies. The option is implemented inside of gcc/ configure and Makefiles, which means that even inside of gcc/ make all (as well as e.g. make lto-dump) will serialize and build all previous large binaries when configured this way. One can always make -j32 cc1 DO_LINK_SERIALIZATION= to avoid that. Furthermore, I've implemented the idea I wrote about, so that --enable-link-serialization is the same as --enable-link-serialization=1 and means the large link commands are serialized, one can (the default) --disable-link-serialization which will cause all links to be parallelizable, but one can also --enable-link-serialization=3 etc. which says that at most 3 of the large link commands can run concurrently. And finally I've implemented (only if the serialization is enabled) simple progress bars for the linking. With --enable-link-serialization and e.g. the 5 large links I have in my current tree (cc1, cc1plus, f951, lto1 and lto-dump), before the linking it prints Linking |==-- | 20% and after it Linking |==== | 40% (each == characters stand for already finished links, each -- characters stand for the link being started). With --enable-link-serialization=3 it will change the way the start is printed, one will get: Linking |-- | 0% at the start of cc1 link, Linking |>>-- | 0% at the start of the second large link and Linking |>>>>-- | 0% at the start of the third large link, where the >> characters stand for already pending links. The printing at the end of link command is the same as with the full serialization, i.e. for the above 3: Linking |== | 20% Linking |==== | 40% Linking |====== | 60% but one could actually get them in any order depending on which of those 3 finishes first - to get it 100% accurate I'd need to add some directory with files representing finished links or similar, doesn't seem worth it. 2020-11-18 Jakub Jelinek <jakub@redhat.com> gcc/ * configure.ac: Add $lang.prev rules, INDEX.$lang and SERIAL_LIST and SERIAL_COUNT variables to Make-hooks. (--enable-link-serialization): New configure option. * Makefile.in (DO_LINK_SERIALIZATION, LINK_PROGRESS): New variables. * doc/install.texi (--enable-link-serialization): Document. * configure: Regenerated. gcc/c/ * Make-lang.in (c.serial): New goal. (.PHONY): Add c.serial c.prev. (cc1$(exeext)): Call LINK_PROGRESS. gcc/cp/ * Make-lang.in (c++.serial): New goal. (.PHONY): Add c++.serial c++.prev. (cc1plus$(exeext)): Depend on c++.prev. Call LINK_PROGRESS. gcc/fortran/ * Make-lang.in (fortran.serial): New goal. (.PHONY): Add fortran.serial fortran.prev. (f951$(exeext)): Depend on fortran.prev. Call LINK_PROGRESS. gcc/lto/ * Make-lang.in (lto, lto1.serial, lto2.serial): New goals. (.PHONY): Add lto lto1.serial lto1.prev lto2.serial lto2.prev. (lto.all.cross, lto.start.encap): Remove dependencies. ($(LTO_EXE)): Depend on lto1.prev. Call LINK_PROGRESS. ($(LTO_DUMP_EXE)): Depend on lto2.prev. Call LINK_PROGRESS. gcc/objc/ * Make-lang.in (objc.serial): New goal. (.PHONY): Add objc.serial objc.prev. (cc1obj$(exeext)): Depend on objc.prev. Call LINK_PROGRESS. gcc/objcp/ * Make-lang.in (obj-c++.serial): New goal. (.PHONY): Add obj-c++.serial obj-c++.prev. (cc1objplus$(exeext)): Depend on obj-c++.prev. Call LINK_PROGRESS. gcc/ada/ * gcc-interface/Make-lang.in (ada.serial): New goal. (.PHONY): Add ada.serial ada.prev. (gnat1$(exeext)): Depend on ada.prev. Call LINK_PROGRESS. gcc/brig/ * Make-lang.in (brig.serial): New goal. (.PHONY): Add brig.serial brig.prev. (brig1$(exeext)): Depend on brig.prev. Call LINK_PROGRESS. gcc/go/ * Make-lang.in (go.serial): New goal. (.PHONY): Add go.serial go.prev. (go1$(exeext)): Depend on go.prev. Call LINK_PROGRESS. gcc/jit/ * Make-lang.in (jit.serial): New goal. (.PHONY): Add jit.serial jit.prev. ($(LIBGCCJIT_FILENAME)): Depend on jit.prev. Call LINK_PROGRESS. gcc/d/ * Make-lang.in (d.serial): New goal. (.PHONY): Add d.serial d.prev. (d21$(exeext)): Depend on d.prev. Call LINK_PROGRESS.
2020-11-11Remove superfluous call to Base_TypeEric Botcazou5-103/+101
gcc/ada/ChangeLog: * gcc-interface/gigi.h: Remove ^L characters throughout. * gcc-interface/decl.c: Likewise. * gcc-interface/utils.c: Likewise. * gcc-interface/utils2.c: Likewise. * gcc-interface/trans.c (gnat_to_gnu) <N_Allocator>: Do not explicitly go to the base type for the Has_Constrained_Partial_View flag.
2020-11-11Fix biased integer arithmeticEric Botcazou1-0/+5
The Ada compiler uses a biased representation when a size clause reserves fewer bits than normal either for the lower or for the upper bound. gcc/ada/ChangeLog: * gcc-interface/trans.c (build_binary_op_trapv): Convert operands to the result type before doing generic overflow checking. gcc/testsuite/ChangeLog: * gnat.dg/bias2.adb: New test.
2020-11-11Fix segfault on elaboration of empty 1-element array at -OEric Botcazou1-42/+7
This is a rather obscure case where the elaboration of an empty array whose base type is an array type of length at most 1 goes awry when the code is compiled with optimization. gcc/ada/ChangeLog: * gcc-interface/trans.c (can_be_lower_p): Remove. (Regular_Loop_to_gnu): Add ENTRY_COND unconditionally if BOTTOM_COND is non-zero. gcc/testsuite/ChangeLog: * gnat.dg/opt89.adb: New test.
2020-11-11Fix internal error on chain of constants with -gnatcEric Botcazou1-4/+7
gcc/ada/ChangeLog: * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Constant>: In case the constant is not being defined, get the expression in type annotation mode only if its type is elementary.
2020-11-11Fix internal error with Shift_Right operator on signed typeEric Botcazou2-1/+3
This is a regression present on the mainline and 10 branch in the form of an ICE with a shift operator applied to a variable of a signed type, and which is caused by a type mismatch. gcc/ada/ChangeLog: * gcc-interface/trans.c (gnat_to_gnu) <N_Op_Shift>: Also convert GNU_MAX_SHIFT if the type of the operation has been changed. * gcc-interface/utils.c (can_materialize_object_renaming_p): Add pair of missing parentheses. gcc/testsuite/ChangeLog: * gnat.dg/shift1.adb: New test.
2020-11-07Fix Ada build failure for the SuSE PowerPC64/Linux compilerEric Botcazou1-1/+6
gcc/ada/ChangeLog: * gcc-interface/Makefile.in: Force target_cpu to powerpc if the nominal target is powerpc64-suse-linux.
2020-11-07Ada : Fix bootstrap after r11-4793.Iain Sandoe1-1/+1
The patch omitted a change for Ada, fixed thus. gcc/ada/ChangeLog: * gcc-interface/misc.c (gnat_printable_name): Change DECL_IS_BUILTIN -> DECL_IS_UNDECLARED_BUILTIN.
2020-10-23[Ada] Implement new legality rules introduced in C.6(12) by AI12-0363Eric Botcazou2-22/+28
gcc/ada/ * doc/gnat_rm/implementation_defined_pragmas.rst (VFA): Remove uage restrictions in conjunction with Atomic and Aliased. * gnat_rm.texi: Regenerate. * aspects.ads (Aspect_Id): Add Aspect_Full_Access_Only. (Is_Representation_Aspect): Likewise. (Aspect_Names): Likewise. (Aspect_Delay): Likewise. * einfo.ads (Is_Atomic_Or_VFA): Rename into... (Is_Full_Access): ...this. (Is_Volatile_Full_Access): Document new usage for Full_Access_Only. * einfo.adb (Is_Atomic_Or_VFA): Rename into... (Is_Full_Access): ...this. * freeze.ads (Is_Atomic_VFA_Aggregate): Rename into... (Is_Full_Access_Aggregate): ...this. * freeze.adb (Is_Atomic_VFA_Aggregate): Rename into... (Is_Full_Access_Aggregate): ...this. Adjust to above renaming. (Freeze_Array_Type): Likewise. (Freeze_Entity): Likewise. * exp_aggr.adb (Aggr_Assignment_OK_For_Backend): Likewise. (Expand_Record_Aggregate): Likewise. * exp_ch4.adb (Expand_N_Op_Eq): Likewise. * exp_ch5.adb (Expand_Assign_Array): Likewise. * exp_ch8.adb (Evaluation_Required): Likewise. * layout.adb (Layout_Type): Likewise. (Set_Composite_Alignment): Likewise. * sem_aux.ads (Has_Rep_Item): Delete. * sem_aux.adb (Has_Rep_Item): Likewise. * sem_attr.adb (Resolve_Attribute) <Attribute_Access>: Implement new legality rules in C.6(12). * sem_ch12.adb (Instantiate_Object): Likewise. * sem_res.adb (Resolve_Actuals): Likewise. * sem_ch13.adb (Inherit_Delayed_Rep_Aspects): Deal with aspect Full_Access_Only. (Check_False_Aspect_For_Derived_Type): Likewise. (Make_Pragma_From_Boolean_Aspect): Test for the presence of Expr. Deal with aspect Full_Access_Only. (Analyze_Aspects_At_Freeze_Point): Likewise. (Analyze_One_Aspect): Do not set Delay_Required to true even for Always_Delay boolean aspects if they have no expression. Force Delay_Required to true for aspect Full_Access_Only in all cases. Reject aspect Full_Access_Only if not in Ada 2020 mode. (Check_Aspect_At_End_Of_Declarations): Deal with empty expression. (Check_Aspect_At_Freeze_Point): Likewise. (Rep_Item_Entity): Delete. (Inherit_Aspects_At_Freeze_Point): Align handling for Bit_Order with that for Scalar_Storage_Order. * sem_prag.adb (Check_Atomic_VFA): Delete. (Check_VFA_Conflicts): Likewise. (Check_Full_Access_Only): New procedure. (Process_Atomic_Independent_Shared_Volatile): Call to implement the new legality checks in C.6(8/2) and mark the entity last. (Analyze_Pragma) <Pragma_Atomic_Components>: Remove obsolete check. * sem_util.ads (Is_Atomic_Or_VFA_Object): Rename into... (Is_Full_Access_Object): ...this. (Is_Subcomponent_Of_Atomic_Object): Rename into... (Is_Subcomponent_Of_Full_Access_Object): ...this. * sem_util.adb (Inherit_Rep_Item_Chain): Use Present_In_Rep_Item. (Is_Atomic_Or_VFA_Object): Rename into... (Is_Full_Access_Object): ...this. (Is_Subcomponent_Of_Atomic_Object): Rename into... (Is_Subcomponent_Of_Full_Access_Object): ...this and adjust. * snames.ads-tmpl (Name_Full_Access_Only): New name of aspect. * gcc-interface/decl.c (gnat_to_gnu_entity): Adjust for renaming. (promote_object_alignment): Likewise. (gnat_to_gnu_field): Likewise. Rename local variable and use specific qualifier in error message for Volatile_Full_Access. * gcc-interface/trans.c (lvalue_required_p): Likewise.
2020-10-22Implement no_stack_protector attribute.Martin Liska1-1/+30
gcc/ChangeLog: 2020-05-18 Martin Liska <mliska@suse.cz> PR c/94722 * cfgexpand.c (stack_protect_decl_phase): Guard with lookup_attribute("no_stack_protector") at various places. (expand_used_vars): Likewise here. * doc/extend.texi: Document no_stack_protector attribute. gcc/ada/ChangeLog: 2020-05-18 Martin Liska <mliska@suse.cz> PR c/94722 * gcc-interface/utils.c (handle_no_stack_protect_attribute): New. (handle_stack_protect_attribute): Add error message for a no_stack_protector function. gcc/c-family/ChangeLog: 2020-05-18 Martin Liska <mliska@suse.cz> PR c/94722 * c-attribs.c (handle_no_stack_protect_function_attribute): New. (handle_stack_protect_attribute): Add error message for a no_stack_protector function. gcc/testsuite/ChangeLog: 2020-05-18 Martin Liska <mliska@suse.cz> PR c/94722 * g++.dg/no-stack-protector-attr-2.C: New test. * g++.dg/no-stack-protector-attr-3.C: New test. * g++.dg/no-stack-protector-attr.C: New test.
2020-10-22Move nested function info out of cgraph_nodeJan Hubicka1-1/+3
this patch moves nested function information out of symbol table (to a summary). This saves memory (especially at WPA time) and also makes nested function support more contained. gcc/ChangeLog: 2020-10-22 Jan Hubicka <hubicka@ucw.cz> * cgraph.c: Include tree-nested.h (cgraph_node::create): Call maybe_record_nested_function. (cgraph_node::remove): Do not remove function from nested function infos. (cgraph_node::dump): Update. (cgraph_node::unnest): Move to tree-nested.c (cgraph_node::verify_node): Update. (cgraph_c_finalize): Call nested_function_info::release. * cgraph.h (struct symtab_node): Remove nested function info. * cgraphclones.c (cgraph_node::create_clone): Do not clone nested function info. * cgraphunit.c (cgraph_node::analyze): Update. (cgraph_node::expand): Do not worry about nested functions; they are lowered. (symbol_table::finalize_compilation_unit): Call nested_function_info::release. * gimplify.c: Include tree-nested.h (unshare_body): Update. (unvisit_body): Update. * omp-offload.c (omp_discover_implicit_declare_target): Update. * tree-nested.c: Include alloc-pool.h, tree-nested.h, symbol-summary.h (nested_function_sum): New static variable. (nested_function_info::get): New member function. (nested_function_info::get_create): New member function. (unnest_function): New function. (nested_function_info::~nested_function_info): New member function. (nested_function_info::release): New function. (maybe_record_nested_function): New function. (lookup_element_for_decl): Update. (check_for_nested_with_variably_modified): Update. (create_nesting_tree): Update. (unnest_nesting_tree_1): Update. (gimplify_all_functions): Update. (lower_nested_functions): Update. * tree-nested.h (class nested_function_info): New class. (maybe_record_nested_function): Declare. (unnest_function): Declare. (first_nested_function): New inline function. (next_nested_function): New inline function. (nested_function_origin): New inline function. gcc/ada/ChangeLog: 2020-10-22 Jan Hubicka <hubicka@ucw.cz> * gcc-interface/trans.c: Include tree-nested.h (walk_nesting_tree): Update for new nested function info. gcc/c-family/ChangeLog: 2020-10-22 Jan Hubicka <hubicka@ucw.cz> * c-gimplify.c: Include tree-nested.h (c_genericize): Update for new nested function info. gcc/d/ChangeLog: 2020-10-22 Jan Hubicka <hubicka@ucw.cz> * decl.cc: Include tree-nested.h (get_symbol_decl): Update for new nested function info.
2020-10-19[Ada] Implement initialization of CUDA runtimeGhjuvan Lacambre1-0/+1
gcc/ada/ * debug.adb: Document -gnatd_c flag as being used for CUDA. * gnat_cuda.ads: New file. * gnat_cuda.adb: New file. * rtsfind.ads: Add Interfaces_C_Strings package and RE_Fatbin_Wrapper, RE_Register_Fat_Binary, RE_Register_Fat_Binary_End, RE_Register_Function, RE_Chars_Ptr, RE_New_Char_Array entities. * rtsfind.adb: Create new Interfaces_C_Descendant subtype, handle it. * sem_ch7.adb (Analyze_Package_Body_Helper): Call CUDA init procedure. * sem_prag.adb (Analyze_Pragma): Call Add_Cuda_Kernel procedure. * gcc-interface/Make-lang.in (GNAT_ADA_OBJS): Add gnat_cuda.o.
2020-10-16[Ada] Clean up in system.ads dependencies during compiler buildArnaud Charlet2-5/+190
gcc/ada/ * gcc-interface/Make-lang.in: Update dependencies on system.ads, add gnatbind switch -t to avoid timestamp inconsistencies during build. * libgnat/system.ads: Move... * gcc-interface/system.ads: ... here.
2020-09-28Add missing end location informationEric Botcazou1-6/+5
In some cases we would fail to put the end location information on the outermost BIND_EXPR of a function, which is problematic when there is a dynamic stack allocation. gcc/ada/ChangeLog: * gcc-interface/trans.c (Subprogram_Body_to_gnu): Set the end locus of body and declaration earlier.
2020-09-28Fix bogus alignment warning on address clauseEric Botcazou1-8/+20
The compiler gives a bogus alignment warning on an address clause and a discriminated record type with variable size. gcc/ada/ChangeLog: * gcc-interface/decl.c (maybe_saturate_size): Add ALIGN parameter and round down the result to ALIGN. (gnat_to_gnu_entity): Adjust calls to maybe_saturate_size. gcc/testsuite/ChangeLog: * gnat.dg/addr16.adb: New test. * gnat.dg/addr16_pkg.ads: New helper.
2020-09-14options: Save and restore opts_set for Optimization and Target optionsJakub Jelinek1-1/+2
> Seems a latent issue. > Neither cl_optimization_{save,restore} nor cl_target_option_{save,restore} > (nor any of the target hooks they call) saves or restores any opts_set > values, so I think opts_set can be trusted only during option processing (if > at all), but not later. > So, short term a fix would be IMHO just stop using opts_set altogether in > arm_configure_build_target, it doesn't make much sense to me, it should test > if those strings are non-NULL instead, or at least do that when it is > invoked from arm_option_restore (e.g. could be done by calling it with > opts instead of &global_options_set ). > Longer term, the question is if cl_optimization_{save,restore} and > cl_target_option_{save,restore} shouldn't be changed not to only > save/restore the options, but also save the opts_set flags. > It could be done e.g. by adding a bool array or set of bool members > to struct cl_optimization and struct cl_target_option , or even more compact > by using bitmasks, pack each 64 adjacent option flags into a UHWI element > of an array. So, I've tried under debugger how it behaves and seems global_options_set is really an or of whether an option has been ever seen as explicit, either on the command line or in any of the option pragmas or optimize/target attributes seen so far, so it isn't something that can be relied on. The following patch implements the saving/restoring of the opts_set bits (though only for the options/variables saved by the generic options-save.c code, for the target specific stuff that isn't handled by the generic code the opts_set argument is now passed to the hook and the backends can choose e.g. to use a TargetSave variable to save the flags either individually or together in some bitmask (or ignore it if they never need opts_set for the options). This patch itself doesn't fix the testcase failing on arm, but a follow up patch will. 2020-09-14 Jakub Jelinek <jakub@redhat.com> gcc/ * opt-read.awk: Also initialize extra_target_var_types array. * opth-gen.awk: Emit explicit_mask arrays to struct cl_optimization and cl_target_option. Adjust cl_optimization_save, cl_optimization_restore, cl_target_option_save and cl_target_option_restore declarations. * optc-save-gen.awk: Add opts_set argument to cl_optimization_save, cl_optimization_restore, cl_target_option_save and cl_target_option_restore functions and save or restore opts_set next to the opts values into or from explicit_mask arrays. In cl_target_option_eq and cl_optimization_option_eq compare explicit_mask arrays, in cl_target_option_hash and cl_optimization_hash hash them and in cl_target_option_stream_out, cl_target_option_stream_in, cl_optimization_stream_out and cl_optimization_stream_in stream them. * tree.h (build_optimization_node, build_target_option_node): Add opts_set argument. * tree.c (build_optimization_node): Add opts_set argument, pass it to cl_optimization_save. (build_target_option_node): Add opts_set argument, pass it to cl_target_option_save. * function.c (invoke_set_current_function_hook): Adjust cl_optimization_restore caller. * ipa-inline-transform.c (inline_call): Adjust cl_optimization_restore and build_optimization_node callers. * target.def (TARGET_OPTION_SAVE, TARGET_OPTION_RESTORE): Add opts_set argument. * target-globals.c (save_target_globals_default_opts): Adjust cl_optimization_restore callers. * toplev.c (process_options): Adjust build_optimization_node and cl_optimization_restore callers. (target_reinit): Adjust cl_optimization_restore caller. * tree-streamer-in.c (lto_input_ts_function_decl_tree_pointers): Adjust build_optimization_node and cl_optimization_restore callers. * doc/tm.texi: Updated. * config/aarch64/aarch64.c (aarch64_override_options): Adjust build_target_option_node caller. (aarch64_option_save, aarch64_option_restore): Add opts_set argument. (aarch64_set_current_function): Adjust cl_target_option_restore caller. (aarch64_option_valid_attribute_p): Adjust cl_target_option_save, cl_target_option_restore, cl_optimization_restore, build_optimization_node and build_target_option_node callers. * config/aarch64/aarch64-c.c (aarch64_pragma_target_parse): Adjust cl_target_option_restore and build_target_option_node callers. * config/arm/arm.c (arm_option_save, arm_option_restore): Add opts_set argument. (arm_option_override): Adjust cl_target_option_save, build_optimization_node and build_target_option_node callers. (arm_set_current_function): Adjust cl_target_option_restore caller. (arm_valid_target_attribute_tree): Adjust build_target_option_node caller. (add_attribute): Formatting fix. (arm_valid_target_attribute_p): Adjust cl_optimization_restore, cl_target_option_restore, arm_valid_target_attribute_tree and build_optimization_node callers. * config/arm/arm-c.c (arm_pragma_target_parse): Adjust cl_target_option_restore callers. * config/csky/csky.c (csky_option_override): Adjust build_target_option_node and cl_target_option_save callers. * config/gcn/gcn.c (gcn_fixup_accel_lto_options): Adjust build_optimization_node and cl_optimization_restore callers. * config/i386/i386-builtins.c (get_builtin_code_for_version): Adjust cl_target_option_save and cl_target_option_restore callers. * config/i386/i386-c.c (ix86_pragma_target_parse): Adjust build_target_option_node and cl_target_option_restore callers. * config/i386/i386-options.c (ix86_function_specific_save, ix86_function_specific_restore): Add opts_set arguments. (ix86_valid_target_attribute_tree): Adjust build_target_option_node caller. (ix86_valid_target_attribute_p): Adjust build_optimization_node, cl_optimization_restore, cl_target_option_restore, ix86_valid_target_attribute_tree and build_optimization_node callers. (ix86_option_override_internal): Adjust build_target_option_node caller. (ix86_reset_previous_fndecl, ix86_set_current_function): Adjust cl_target_option_restore callers. * config/i386/i386-options.h (ix86_function_specific_save, ix86_function_specific_restore): Add opts_set argument. * config/nios2/nios2.c (nios2_option_override): Adjust build_target_option_node caller. (nios2_option_save, nios2_option_restore): Add opts_set argument. (nios2_valid_target_attribute_tree): Adjust build_target_option_node caller. (nios2_valid_target_attribute_p): Adjust build_optimization_node, cl_optimization_restore, cl_target_option_save and cl_target_option_restore callers. (nios2_set_current_function, nios2_pragma_target_parse): Adjust cl_target_option_restore callers. * config/pru/pru.c (pru_option_override): Adjust build_target_option_node caller. (pru_set_current_function): Adjust cl_target_option_restore callers. * config/rs6000/rs6000.c (rs6000_debug_reg_global): Adjust cl_target_option_save caller. (rs6000_option_override_internal): Adjust build_target_option_node caller. (rs6000_valid_attribute_p): Adjust build_optimization_node, cl_optimization_restore, cl_target_option_save, cl_target_option_restore and build_target_option_node callers. (rs6000_pragma_target_parse): Adjust cl_target_option_restore and build_target_option_node callers. (rs6000_activate_target_options): Adjust cl_target_option_restore callers. (rs6000_function_specific_save, rs6000_function_specific_restore): Add opts_set argument. * config/s390/s390.c (s390_function_specific_restore): Likewise. (s390_option_override_internal): Adjust s390_function_specific_restore caller. (s390_option_override, s390_valid_target_attribute_tree): Adjust build_target_option_node caller. (s390_valid_target_attribute_p): Adjust build_optimization_node, cl_optimization_restore and cl_target_option_restore callers. (s390_activate_target_options): Adjust cl_target_option_restore caller. * config/s390/s390-c.c (s390_cpu_cpp_builtins): Adjust cl_target_option_save caller. (s390_pragma_target_parse): Adjust build_target_option_node and cl_target_option_restore callers. gcc/c-family/ * c-attribs.c (handle_optimize_attribute): Adjust cl_optimization_save, cl_optimization_restore and build_optimization_node callers. * c-pragma.c (handle_pragma_optimize): Adjust build_optimization_node caller. (handle_pragma_push_options): Adjust build_optimization_node and build_target_option_node callers. (handle_pragma_pop_options, handle_pragma_reset_options): Adjust cl_optimization_restore callers. gcc/go/ * go-gcc.cc (Gcc_backend::function): Adjust cl_optimization_save, cl_optimization_restore and build_optimization_node callers. gcc/ada/ * gcc-interface/trans.c (gigi): Adjust build_optimization_node caller.
2020-09-12Add preliminary support for 128-bit integer typesEric Botcazou5-2/+39
This is only the gigi part, in preparation for the bulk of the implementation. gcc/ada/ChangeLog: * fe.h: Fix pilot error in previous change. * gcc-interface/gigi.h (enum standard_datatypes): Add ADT_mulv128_decl. (mulv128_decl): New macro. (get_target_long_long_long_size): Declare. * gcc-interface/decl.c (gnat_to_gnu_entity): Use a maximum size of 128 bits for discrete types if Enable_128bit_Types is true. * gcc-interface/targtyps.c: Include target.h. (get_target_long_long_long_size): New function. * gcc-interface/trans.c (gigi): Initialize mulv128_decl if need be. (build_binary_op_trapv): Call it for 128-bit multiplication. * gcc-interface/utils.c (make_type_from_size): Enforce a maximum size of 128 bits if Enable_128bit_Types is true.
2020-09-12Fix small inconsistency in new predicateEric Botcazou1-6/+2
This can result on the mainline in a segfault when an object declared at library level is used in the declaration of another, local object. gcc/ada/ChangeLog: * gcc-interface/trans.c (lvalue_for_aggr_p) <N_Object_Declaration>: Return false unconditionally.
2020-09-12Minor tweak to line debug infoEric Botcazou1-0/+6
This prevents the SLOC of the expression for a tag from being present in the line debug info every time it is referenced for coverage purposes. gcc/ada/ChangeLog: * gcc-interface/trans.c (gnat_to_gnu) <N_Object_Declaration>: Clear the SLOC of the expression of a tag.
2020-09-12Accept absolute address clause for array of UNC nominal subtypeEric Botcazou1-0/+13
This changes the compiler to accept again absolute address clause for aliased array of unconstrained nominal subtype, instead of erroring out in this case. gcc/ada/ChangeLog: * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Variable>: Only give a warning for the overlay of an aliased array with an unconstrained nominal subtype if the address is absolute.
2020-09-11Fix ICE on nested packed variant record typeEric Botcazou1-5/+32
This is a regression present on the mainline and 10 branch: the compiler aborts on code accessing a component of a packed record type whose type is a packed discriminated record type with variant part. gcc/ada/ChangeLog: * gcc-interface/utils.c (type_has_variable_size): New function. (create_field_decl): In the packed case, also force byte alignment when the type of the field has variable size. gcc/testsuite/ChangeLog: * gnat.dg/pack27.adb: New test. * gnat.dg/pack27_pkg.ads: New helper.
2020-09-11Add missing stride entry in debug infoEric Botcazou1-0/+4
This adds a missing stride entry for bit-packed arrays of record types. gcc/ada/ChangeLog: * gcc-interface/misc.c (get_array_bit_stride): Return TYPE_ADA_SIZE for record and union types.
2020-09-11Drop GNAT encodings for fixed-point typesEric Botcazou1-3/+2
GDB can now deal with the DWARF representation just fine. gcc/ada/ChangeLog: * gcc-interface/misc.c (gnat_get_fixed_point_type): Bail out only when the GNAT encodings are specifically used.
2020-09-11Fix crash on array component with nonstandard index typeEric Botcazou1-6/+6
This is a regression present on mainline, 10 and 9 branches: the compiler goes into an infinite recursion eventually exhausting the stack for the declaration of a discriminated record type with an array component having a discriminant as bound and an index type that is an enumeration type with a non-standard representation clause. gcc/ada/ChangeLog: * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Subtype>: Only create extra subtypes for discriminants if the RM size of the base type of the index type is lower than that of the index type. gcc/testsuite/ChangeLog: * gnat.dg/specs/discr7.ads: New test.
2020-09-10Fix bogus error on Value_Size clause for variant record typeEric Botcazou1-2/+4
This is a regression present on the mainline and 10 branch: the compiler rejects a Value_Size clause on a discriminated record type with variant. gcc/ada/ChangeLog: * gcc-interface/decl.c (set_rm_size): Do not take into account the Value_Size clause if it is not for the entity itself. gcc/testsuite/ChangeLog: * gnat.dg/specs/size_clause5.ads: New test.
2020-09-10Fix uninitialized variable with nested variant record typesEric Botcazou1-5/+9
This fixes a wrong code issue with nested variant record types: the compiler generates move instructions that depend on an uninitialized variable, which was initially a SAVE_EXPR not instantiated early enough. gcc/ada/ChangeLog: * gcc-interface/decl.c (build_subst_list): For a definition, make sure to instantiate the SAVE_EXPRs generated by the elaboration of the constraints in front of the elaboration of the type itself. gcc/testsuite/ChangeLog: * gnat.dg/discr59.adb: New test. * gnat.dg/discr59_pkg1.ads: New helper. * gnat.dg/discr59_pkg2.ads: Likewise.
2020-09-10Add emergency dump after an ICEEric Botcazou1-0/+4
This is only for internal debugging purposes. gcc/ada/ChangeLog: * gcc-interface/misc.c: Include tree-pass.h. (internal_error_function): Call emergency_dump_function.
2020-08-27vec: add exact argument for various grow functions.Martin Liska1-2/+2
gcc/ada/ChangeLog: * gcc-interface/trans.c (gigi): Set exact argument of a vector growth function to true. (Attribute_to_gnu): Likewise. gcc/ChangeLog: * alias.c (init_alias_analysis): Set exact argument of a vector growth function to true. * calls.c (internal_arg_pointer_based_exp_scan): Likewise. * cfgbuild.c (find_many_sub_basic_blocks): Likewise. * cfgexpand.c (expand_asm_stmt): Likewise. * cfgrtl.c (rtl_create_basic_block): Likewise. * combine.c (combine_split_insns): Likewise. (combine_instructions): Likewise. * config/aarch64/aarch64-sve-builtins.cc (function_expander::add_output_operand): Likewise. (function_expander::add_input_operand): Likewise. (function_expander::add_integer_operand): Likewise. (function_expander::add_address_operand): Likewise. (function_expander::add_fixed_operand): Likewise. * df-core.c (df_worklist_dataflow_doublequeue): Likewise. * dwarf2cfi.c (update_row_reg_save): Likewise. * early-remat.c (early_remat::init_block_info): Likewise. (early_remat::finalize_candidate_indices): Likewise. * except.c (sjlj_build_landing_pads): Likewise. * final.c (compute_alignments): Likewise. (grow_label_align): Likewise. * function.c (temp_slots_at_level): Likewise. * fwprop.c (build_single_def_use_links): Likewise. (update_uses): Likewise. * gcc.c (insert_wrapper): Likewise. * genautomata.c (create_state_ainsn_table): Likewise. (add_vect): Likewise. (output_dead_lock_vect): Likewise. * genmatch.c (capture_info::capture_info): Likewise. (parser::finish_match_operand): Likewise. * genrecog.c (optimize_subroutine_group): Likewise. (merge_pattern_info::merge_pattern_info): Likewise. (merge_into_decision): Likewise. (print_subroutine_start): Likewise. (main): Likewise. * gimple-loop-versioning.cc (loop_versioning::loop_versioning): Likewise. * gimple.c (gimple_set_bb): Likewise. * graphite-isl-ast-to-gimple.c (translate_isl_ast_node_user): Likewise. * haifa-sched.c (sched_extend_luids): Likewise. (extend_h_i_d): Likewise. * insn-addr.h (insn_addresses_new): Likewise. * ipa-cp.c (gather_context_independent_values): Likewise. (find_more_contexts_for_caller_subset): Likewise. * ipa-devirt.c (final_warning_record::grow_type_warnings): Likewise. (ipa_odr_read_section): Likewise. * ipa-fnsummary.c (evaluate_properties_for_edge): Likewise. (ipa_fn_summary_t::duplicate): Likewise. (analyze_function_body): Likewise. (ipa_merge_fn_summary_after_inlining): Likewise. (read_ipa_call_summary): Likewise. * ipa-icf.c (sem_function::bb_dict_test): Likewise. * ipa-prop.c (ipa_alloc_node_params): Likewise. (parm_bb_aa_status_for_bb): Likewise. (ipa_compute_jump_functions_for_edge): Likewise. (ipa_analyze_node): Likewise. (update_jump_functions_after_inlining): Likewise. (ipa_read_edge_info): Likewise. (read_ipcp_transformation_info): Likewise. (ipcp_transform_function): Likewise. * ipa-reference.c (ipa_reference_write_optimization_summary): Likewise. * ipa-split.c (execute_split_functions): Likewise. * ira.c (find_moveable_pseudos): Likewise. * lower-subreg.c (decompose_multiword_subregs): Likewise. * lto-streamer-in.c (input_eh_regions): Likewise. (input_cfg): Likewise. (input_struct_function_base): Likewise. (input_function): Likewise. * modulo-sched.c (set_node_sched_params): Likewise. (extend_node_sched_params): Likewise. (schedule_reg_moves): Likewise. * omp-general.c (omp_construct_simd_compare): Likewise. * passes.c (pass_manager::create_pass_tab): Likewise. (enable_disable_pass): Likewise. * predict.c (determine_unlikely_bbs): Likewise. * profile.c (compute_branch_probabilities): Likewise. * read-rtl-function.c (function_reader::parse_block): Likewise. * read-rtl.c (rtx_reader::read_rtx_code): Likewise. * reg-stack.c (stack_regs_mentioned): Likewise. * regrename.c (regrename_init): Likewise. * rtlanal.c (T>::add_single_to_queue): Likewise. * sched-deps.c (init_deps_data_vector): Likewise. * sel-sched-ir.c (sel_extend_global_bb_info): Likewise. (extend_region_bb_info): Likewise. (extend_insn_data): Likewise. * symtab.c (symtab_node::create_reference): Likewise. * tracer.c (tail_duplicate): Likewise. * trans-mem.c (tm_region_init): Likewise. (get_bb_regions_instrumented): Likewise. * tree-cfg.c (init_empty_tree_cfg_for_function): Likewise. (build_gimple_cfg): Likewise. (create_bb): Likewise. (move_block_to_fn): Likewise. * tree-complex.c (tree_lower_complex): Likewise. * tree-if-conv.c (predicate_rhs_code): Likewise. * tree-inline.c (copy_bb): Likewise. * tree-into-ssa.c (get_ssa_name_ann): Likewise. (mark_phi_for_rewrite): Likewise. * tree-object-size.c (compute_builtin_object_size): Likewise. (init_object_sizes): Likewise. * tree-predcom.c (initialize_root_vars_store_elim_1): Likewise. (initialize_root_vars_store_elim_2): Likewise. (prepare_initializers_chain_store_elim): Likewise. * tree-ssa-address.c (addr_for_mem_ref): Likewise. (multiplier_allowed_in_address_p): Likewise. * tree-ssa-coalesce.c (ssa_conflicts_new): Likewise. * tree-ssa-forwprop.c (simplify_vector_constructor): Likewise. * tree-ssa-loop-ivopts.c (addr_offset_valid_p): Likewise. (get_address_cost_ainc): Likewise. * tree-ssa-loop-niter.c (discover_iteration_bound_by_body_walk): Likewise. * tree-ssa-pre.c (add_to_value): Likewise. (phi_translate_1): Likewise. (do_pre_regular_insertion): Likewise. (do_pre_partial_partial_insertion): Likewise. (init_pre): Likewise. * tree-ssa-propagate.c (ssa_prop_init): Likewise. (update_call_from_tree): Likewise. * tree-ssa-reassoc.c (optimize_range_tests_cmp_bitwise): Likewise. * tree-ssa-sccvn.c (vn_reference_lookup_3): Likewise. (vn_reference_lookup_pieces): Likewise. (eliminate_dom_walker::eliminate_push_avail): Likewise. * tree-ssa-strlen.c (set_strinfo): Likewise. (get_stridx_plus_constant): Likewise. (zero_length_string): Likewise. (find_equal_ptrs): Likewise. (printf_strlen_execute): Likewise. * tree-ssa-threadedge.c (set_ssa_name_value): Likewise. * tree-ssanames.c (make_ssa_name_fn): Likewise. * tree-streamer-in.c (streamer_read_tree_bitfields): Likewise. * tree-vect-loop.c (vect_record_loop_mask): Likewise. (vect_get_loop_mask): Likewise. (vect_record_loop_len): Likewise. (vect_get_loop_len): Likewise. * tree-vect-patterns.c (vect_recog_mask_conversion_pattern): Likewise. * tree-vect-slp.c (vect_slp_convert_to_external): Likewise. (vect_bb_slp_scalar_cost): Likewise. (vect_bb_vectorization_profitable_p): Likewise. (vectorizable_slp_permutation): Likewise. * tree-vect-stmts.c (vectorizable_call): Likewise. (vectorizable_simd_clone_call): Likewise. (scan_store_can_perm_p): Likewise. (vectorizable_store): Likewise. * expr.c: Likewise. * vec.c (test_safe_grow_cleared): Likewise. * vec.h (vec_safe_grow): Likewise. (vec_safe_grow_cleared): Likewise. (vl_ptr>::safe_grow): Likewise. (vl_ptr>::safe_grow_cleared): Likewise. * config/c6x/c6x.c (insn_set_clock): Likewise. gcc/c/ChangeLog: * gimple-parser.c (c_parser_gimple_compound_statement): Set exact argument of a vector growth function to true. gcc/cp/ChangeLog: * class.c (build_vtbl_initializer): Set exact argument of a vector growth function to true. * constraint.cc (get_mapped_args): Likewise. * decl.c (cp_maybe_mangle_decomp): Likewise. (cp_finish_decomp): Likewise. * parser.c (cp_parser_omp_for_loop): Likewise. * pt.c (canonical_type_parameter): Likewise. * rtti.c (get_pseudo_ti_init): Likewise. gcc/fortran/ChangeLog: * trans-openmp.c (gfc_trans_omp_do): Set exact argument of a vector growth function to true. gcc/lto/ChangeLog: * lto-common.c (lto_file_finalize): Set exact argument of a vector growth function to true.
2020-07-02Reject components in extensions overlapping with the parentEric Botcazou1-6/+6
Such problematic components can be specified by means of a component clause but they cannot be fully supported by the type system. They had initially been forbidden, then we decided to accept them by working around the type system, but this is very fragile and, for example, any static aggregate is guaranteed to trigger an ICE with the current implementation. We now reject them again, except if the -gnatd.K switch is passed. gcc/ada/ChangeLog: * debug.adb (d.K): Document new usage. * fe.h (Debug_Flag_Dot_KK): Declare. * gcc-interface/decl.c (gnat_to_gnu_field): Give an error when the component overlaps with the parent subtype, except with -gnatd.K.
2020-06-23Remove superfluous spaceEric Botcazou1-1/+1
gcc/ada/ChangeLog: * gcc-interface/utils2.c (build_binary_op): Remove space.
2020-06-23Fix memory corruption with vector and variant recordEric Botcazou1-6/+12
The problem is that Has_Constrained_Partial_View must be tested on the base type of the designated type of an allocator. gcc/ada/ChangeLog: * gcc-interface/trans.c (gnat_to_gnu) <N_Allocator>: Minor tweaks. Call Has_Constrained_Partial_View on base type of designated type.
2020-06-23Emit debug info for integral variables firstEric Botcazou1-17/+25
This makes it possible for global dynamic types to reference the DIE of these integral variables. gcc/ada/ChangeLog: * gcc-interface/utils.c (gnat_write_global_declarations): Output integral global variables first and the imported functions later.
2020-06-23Minor tweak to elaborate_expression_1Eric Botcazou1-4/+13
gcc/ada/ChangeLog: * gcc-interface/decl.c (elaborate_expression_1): When GNAT encodings are not used, do not create a variable for debug info purposes if the expression is itself a user-declared variable.
2020-06-23Streamline implementation of renaming in gigiEric Botcazou4-119/+66
The main changes are 1) the bulk of the implementation is put back entirely in gnat_to_gnu_entity and 2) the handling of lvalues is unified, i.e. it no longer depends on the Materialize_Entity flag being present on the entity. gcc/ada/ChangeLog: * gcc-interface/ada-tree.h (DECL_RENAMED_OBJECT): Delete. * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Variable>: Always use the stabilized reference directly for renaming and create a variable pointing to it separately if requested. * gcc-interface/misc.c (gnat_print_decl): Adjust for deletion. * gcc-interface/trans.c (Identifier_to_gnu): Likewise. (gnat_to_gnu) <N_Object_Renaming_Declaration>: Do not deal with side-effects here. <N_Exception_Renaming_Declaration>: Likewise.
2020-06-23Minor cleanup in elaborate_expressionEric Botcazou1-2/+2
gcc/ada/ChangeLog: * gcc-interface/decl.c (elaborate_expression): Replace calls to Is_OK_Static_Expression with Compile_Time_Known_Value.
2020-06-23Emit user subtypes with -fgnat-encodings=minimalEric Botcazou1-12/+7
This changes the compiler to emit debug info for user-defined subtypes with -fgnat-encodings=minimal, as they might be needed by the debugger. gcc/ada/ChangeLog: * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Subtype>: Set debug type to the base type and only if the subtype is artificial.
2020-06-23Minor adjustment in assignment caseEric Botcazou1-4/+3
gcc/ada/ChangeLog: * gcc-interface/trans.c (gnat_to_gnu) <N_Assignment_Statement>: Do not test Is_Bit_Packed_Array in the memset path.
2020-06-19[Ada] Remove handling of 'Pos and 'Val attributes from gigiEric Botcazou2-14/+1
2020-06-19 Eric Botcazou <ebotcazou@adacore.com> gcc/ada/ * gcc-interface/trans.c (lvalue_required_for_attribute_p): Do not deal with 'Pos or 'Val. (Attribute_to_gnu): Likewise. * gcc-interface/utils.c (create_field_decl): Small formatting fix.
2020-06-19[Ada] Consolidate handling of implicit dereferencesEric Botcazou2-55/+27
2020-06-19 Eric Botcazou <ebotcazou@adacore.com> gcc/ada/ * gcc-interface/trans.c (adjust_for_implicit_deref): Delete. (maybe_implicit_deref): Likewise. (Attribute_to_gnu): Replace calls to maybe_implicit_deref by calls to maybe_padded_object. (Call_to_gnu): Likewise. (gnat_to_gnu) <N_Indexed_Component>: Likewise. <N_Slice>: Likewise. <N_Selected_Component>: Likewise. <N_Free_Statement>: Remove call to adjust_for_implicit_deref and manually make sure that the designated type is complete. * gcc-interface/utils2.c (build_simple_component_ref): Add comment.
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