This patch replaces get_call_reg_set_usage with insn_callee_abi,
which returns the ABI of the target of a call insn. The ABI's
full_reg_clobbers corresponds to regs_invalidated_by_call,
whereas many callers instead passed call_used_or_fixed_regs, i.e.:
(regs_invalidated_by_call | fixed_reg_set)
The patch slavishly preserves the "| fixed_reg_set" for these callers;
later patches will clean this up.
2019-09-30 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* target.def (insn_callee_abi): New hook.
(remove_extra_call_preserved_regs): Delete.
* doc/tm.texi.in (TARGET_INSN_CALLEE_ABI): New macro.
(TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): Delete.
* doc/tm.texi: Regenerate.
* targhooks.h (default_remove_extra_call_preserved_regs): Delete.
* targhooks.c (default_remove_extra_call_preserved_regs): Delete.
* config/aarch64/aarch64.c (aarch64_simd_call_p): Constify the
insn argument.
(aarch64_remove_extra_call_preserved_regs): Delete.
(aarch64_insn_callee_abi): New function.
(TARGET_REMOVE_EXTRA_CALL_PRESERVED_REGS): Delete.
(TARGET_INSN_CALLEE_ABI): New macro.
* rtl.h (get_call_fndecl): Declare.
(cgraph_rtl_info): Fix formatting. Tweak comment for
function_used_regs. Remove function_used_regs_valid.
* rtlanal.c (get_call_fndecl): Moved from final.c
* function-abi.h (insn_callee_abi): Declare.
(target_function_abi_info): Mention insn_callee_abi.
* function-abi.cc (fndecl_abi): Handle flag_ipa_ra in a similar
way to get_call_reg_set_usage did.
(insn_callee_abi): New function.
* regs.h (get_call_reg_set_usage): Delete.
* final.c: Include function-abi.h.
(collect_fn_hard_reg_usage): Add fixed and stack registers to
function_used_regs before the main loop rather than afterwards.
Use insn_callee_abi instead of get_call_reg_set_usage. Exit early
if function_used_regs ends up not being useful.
(get_call_fndecl): Move to rtlanal.c
(get_call_cgraph_rtl_info, get_call_reg_set_usage): Delete.
* caller-save.c: Include function-abi.h.
(setup_save_areas, save_call_clobbered_regs): Use insn_callee_abi
instead of get_call_reg_set_usage.
* cfgcleanup.c: Include function-abi.h.
(old_insns_match_p): Use insn_callee_abi instead of
get_call_reg_set_usage.
* cgraph.h (cgraph_node::rtl_info): Take a const_tree instead of
a tree.
* cgraph.c (cgraph_node::rtl_info): Likewise. Initialize
function_used_regs.
* df-scan.c: Include function-abi.h.
(df_get_call_refs): Use insn_callee_abi instead of
get_call_reg_set_usage.
* ira-lives.c: Include function-abi.h.
(process_bb_node_lives): Use insn_callee_abi instead of
get_call_reg_set_usage.
* lra-lives.c: Include function-abi.h.
(process_bb_lives): Use insn_callee_abi instead of
get_call_reg_set_usage.
* postreload.c: Include function-abi.h.
(reload_combine): Use insn_callee_abi instead of
get_call_reg_set_usage.
* regcprop.c: Include function-abi.h.
(copyprop_hardreg_forward_1): Use insn_callee_abi instead of
get_call_reg_set_usage.
* resource.c: Include function-abi.h.
(mark_set_resources, mark_target_live_regs): Use insn_callee_abi
instead of get_call_reg_set_usage.
* var-tracking.c: Include function-abi.h.
(dataflow_set_clear_at_call): Use insn_callee_abi instead of
get_call_reg_set_usage.
From-SVN: r276309
This patch adds a target hook that allows targets to return
the ABI associated with a particular function type. Generally,
when multiple ABIs are in use, it must be possible to tell from
a function type and its attributes which ABI it is using.
2019-09-30 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* target.def (fntype_abi): New target hook.
* doc/tm.texi.in (TARGET_FNTYPE_ABI): Likewise.
* doc/tm.texi: Regenerate.
* target.h (predefined_function_abi): Declare.
* function-abi.cc (fntype_abi): Call targetm.calls.fntype_abi,
if defined.
* config/aarch64/aarch64.h (ARM_PCS_SIMD): New arm_pcs value.
* config/aarch64/aarch64.c: Include function-abi.h.
(aarch64_simd_abi, aarch64_fntype_abi): New functions.
(TARGET_FNTYPE_ABI): Define.
From-SVN: r276308
This patch adds new structures and functions for handling
multiple ABIs in a translation unit. The structures are:
- predefined_function_abi: describes a static, predefined ABI
- function_abi: describes either a predefined ABI or a local
variant of one (e.g. taking -fipa-ra into account)
The patch adds functions for getting the ABI from a given type
or decl; a later patch will also add a function for getting the
ABI of the target of a call insn.
Although ABIs are about much more than call-clobber/saved choices,
I wanted to keep the name general in case we add more ABI-related
information in future.
2019-09-30 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* Makefile.in (OBJS): Add function-abi.o.
(GTFILES): Add function-abi.h.
* function-abi.cc: New file.
* function-abi.h: Likewise.
* emit-rtl.h (rtl_data::abi): New field.
* function.c: Include function-abi.h.
(prepare_function_start): Initialize crtl->abi.
* read-rtl-function.c: Include regs.h and function-abi.h.
(read_rtl_function_body): Initialize crtl->abi.
(read_rtl_function_body_from_file_range): Likewise.
* reginfo.c: Include function-abi.h.
(init_reg_sets_1): Initialize default_function_abi.
(globalize_reg): Call add_full_reg_clobber for each predefined ABI
when making a register global.
* target-globals.h (this_target_function_abi_info): Declare.
(target_globals::function_abi_info): New field.
(restore_target_globals): Copy it.
* target-globals.c: Include function-abi.h.
(default_target_globals): Initialize the function_abi_info field.
(target_globals): Allocate it.
(save_target_globals): Free it.
From-SVN: r276307
PR target/85978
* config/frv/frv.c (frv_register_move_cost): Add break statements
to avoid falling through to the wrong cases. Tidy code.
From-SVN: r276306
The aarch64_vector_pcs handling in aarch64_hard_regno_call_part_clobbered
checks whether the mode might be bigger than 16 bytes, since on SVE
targets the (non-SVE) vector PCS only guarantees that the low 16 bytes
are preserved. But for multi-register modes, we should instead test
whether each single-register part might be bigger than 16 bytes.
(The size is always divided evenly between registers.)
The testcase uses XImode as an example where this helps.
2019-09-30 Richard Sandiford <richard.sandiford@arm.com>
gcc/
* config/aarch64/aarch64.c (aarch64_hard_regno_call_part_clobbered):
For multi-registers modes, test how big each register part is.
gcc/testsuite/
* gcc.target/aarch64/torture/simd-abi-8.c: New test.
From-SVN: r276305
When one passes short-lived fake rtxes to backends in order to test
their capabilities, it might be beneficial to allocate these rtxes on
stack in order to reduce the load on GC.
Provide macro counterparts of some of the gen_* functions for that
purpose.
gcc/ChangeLog:
2019-09-30 Ilya Leoshkevich <iii@linux.ibm.com>
* emit-rtl.c (init_raw_REG): New function.
(gen_raw_REG): Use init_raw_REG.
* gengenrtl.c (gendef): Emit init_* functions and alloca_*
macros.
* rtl.c (rtx_alloc_stat_v): Use rtx_init.
* rtl.h (rtx_init): New function.
(rtx_alloca): New function.
(init_raw_REG): New function.
(alloca_raw_REG): New macro.
From-SVN: r276303
pp_separate_with inserts a space after the separator, so there's
no need to add whitespace before "..." as well.
2019-09-30 Richard Sandiford <richard.sandiford@arm.com>
gcc/c-family/
* c-pretty-print.c (pp_c_parameter_type_list): Avoid printing
two spaces between a comma and "...".
gcc/testsuite/
* gcc.dg/Wincompatible-pointer-types-1.c (f1): Expect only one
space between the comma and "...".
From-SVN: r276302
2019-09-30 Michael Meissner <meissner@linux.ibm.com>
* config/rs6000/predicates.md (pcrel_address): Delete predicate.
(pcrel_local_address): Replace pcrel_address predicate, use the
new function address_to_insn_form.
(pcrel_external_address): Replace with new implementation using
address_to_insn_form..
(prefixed_mem_operand): Delete predicate which is now unused.
(pcrel_external_mem_operand): Delete predicate which is now
unused.
* config/rs6000/rs6000-protos.h (enum insn_form): New
enumeration.
(enum non_prefixed): New enumeration.
(address_to_insn_form): New declaration.
(prefixed_load_p): New declaration.
(prefixed_store_p): New declaration.
(prefixed_paddi_p): New declaration.
(rs6000_asm_output_opcode): New declaration.
(rs6000_final_prescan_insn): Move declaration and update calling
signature.
(address_is_prefixed): New helper inline function.
* config/rs6000/rs6000.c(print_operand_address): Check for either
PC-relative local symbols or PC-relative external symbols.
(rs6000_emit_move): Support loading PC-relative addresses.
(mode_supports_prefixed_address_p): Delete, no longer used.
(rs6000_prefixed_address_mode_p): Delete, no longer used.
(address_to_insn_form): New function to decode an address format.
(reg_to_non_prefixed): New function to identify what the
non-prefixed memory instruction format is for a register.
(prefixed_load_p): New function to identify prefixed loads.
(prefixed_store_p): New function to identify prefixed stores.
(prefixed_paddi_p): New function to identify prefixed load
immediates.
(next_insn_prefixed_p): New static state variable.
(rs6000_final_prescan_insn): New function to determine if an insn
uses a prefixed instruction.
(rs6000_asm_output_opcode): New function to emit 'p' in front of a
prefixed instruction.
* config/rs6000/rs6000.h (FINAL_PRESCAN_INSN): New target hook.
(ASM_OUTPUT_OPCODE): New target hook.
* config/rs6000/rs6000.md (prefixed): New insn attribute for
prefixed instructions.
(prefixed_length): New insn attribute for the size of prefixed
instructions.
(non_prefixed_length): New insn attribute for the size of
non-prefixed instructions.
(pcrel_local_addr): New insn to load up a local PC-relative
address.
(pcrel_extern_addr): New insn to load up an external PC-relative
address.
(mov<mode>_64bit_dm): Split the alternatives for loading 0.0 to a
GPR and loading a 128-bit floating point type to a GPR.
From-SVN: r276300
2019-09-30 Richard Biener <rguenther@suse.de>
* gimple.c (gimple_get_lhs): For PHIs return the result.
* tree-vectorizer.h (vectorizable_live_operation): Also get the
SLP instance as argument.
* tree-vect-loop.c (vect_analyze_loop_operations): Also handle
double-reduction PHIs with vectorizable_lc_phi.
(vect_analyze_loop_operations): Adjust.
(vect_create_epilog_for_reduction): Remove all code not dealing
with reduction LC PHI or epilogue generation.
(vectorizable_live_operation): Call vect_create_epilog_for_reduction
for live stmts of reductions.
* tree-vect-stmts.c (vectorizable_condition): When !for_reduction
do not handle defs that are not vect_internal_def.
(can_vectorize_live_stmts): Adjust.
(vect_analyze_stmt): When the vectorized stmt defined a value
used on backedges adjust the backedge uses of vectorized PHIs.
From-SVN: r276299
Also fix the constraints on span(Container&) and span(const Container&)
constructors so that they aren't used for const spans or const arrays.
* include/std/span (span(element_type(&)[N]))
(span(array<value_type, N>&), span(const array<value_type, N>&)):
Deduce array element type to allow safe const conversions (LWG 3255).
[!_GLIBCXX_P1394] (span(Container&), span(const Container&)): Use
remove_cv_t on arguments to __is_std_span and __is_std_array.
* testsuite/23_containers/span/lwg3255.cc: New test.
From-SVN: r276298
2019-09-30 Andreas Tobler <andreast@gcc.gnu.org>
* config.gcc: Use the secure-plt on FreeBSD 13 and upwards for
32-bit PowerPC.
Define TARGET_FREEBSD32_SECURE_PLT for 64-bit PowerPC.
* config/rs6000/t-freebsd64: Make use of the above define and build
the 32-bit libraries with secure-plt.
From-SVN: r276295
2019-09-29 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/91641
* check.c (gfc_check_is_contiguous): null() cannot be an actual
argument to is_contiguous().
2019-09-29 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/91641
* gfortran.dg/pr91641.f90: New test.
From-SVN: r276272
Replace the define_expand and two define_insns with a single
@macho_low_<mode> and update callers.
gcc/ChangeLog:
2019-09-29 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.c (gen_macho_low):Amend to include the mode
argument.
(machopic_indirect_data_reference): Amend gen_macho_low call
to include mode argument
* config/rs6000/rs6000.c (emit_move): Likewise. Amend a comment.
* config/rs6000/darwin.md (@macho_low_<mode>): New, replaces
the macho_high expander and two define_insn entries.
From-SVN: r276271
2019-09-29 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/91714
* decl.c (gfc_match_decl_type_spec): Issue errors for a few
mangled types.
2019-09-29 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/91714
* gfortran.dg/dec_type_print_3.f90: Update dg-error regex.
* gfortran.dg/pr91714.f90: New test.
From-SVN: r276270
2019-09-29 Paul Thomas <pault@gcc.gnu.org>
PR fortran/91726
* resolve.c (gfc_expr_to_initialize): Bail out with a copy of
the original expression if the array ref is a scalar and the
array_spec has corank.
* trans-array.c (gfc_conv_array_ref): Such expressions are OK
even if the array ref codimen is zero.
* trans-expr.c (gfc_get_class_from_expr): New function taken
from gfc_get_vptr_from_expr.
(gfc_get_vptr_from_expr): Call new function.
* trans-stmt.c (trans_associate_var): If one of these is a
target expression, extract the class expression from the target
and copy its fields to a new target variable.
* trans.h : Add prototype for gfc_get_class_from_expr.
2019-09-29 Paul Thomas <pault@gcc.gnu.org>
PR fortran/91726
* gfortran.dg/coarray_poly_9.f90 : New test.
From-SVN: r276269
vectorization on port rs6000.
gcc/ChangeLog
2019-09-29 Kewen Lin <linkw@gcc.gnu.org>
* config/rs6000/vsx.md (vec_pack[su]_float_v2di): New define_expand.
(vec_unpack_[su]fix_trunc_hi_v4sf): Likewise.
(vec_unpack_[su]fix_trunc_lo_v4sf): Likewise.
gcc/testsuite/ChangeLog
2019-09-29 Kewen Lin <linkw@gcc.gnu.org>
* gcc.target/powerpc/conv-vectorize-1.c: New test.
* gcc.target/powerpc/conv-vectorize-2.c: New test.
From-SVN: r276266
2019-09-28 Jerry DeLisle <jvdelisle@gcc.ngu.org>
PR fortran/91802
* decl.c (attr_decl1): Return MATCH_ERROR without free to avoid
bad expression type in free_expr0() ICE in rank+corank check.
From-SVN: r276265
Drop the expander and use a mode iterator on the define_insn
for @macho_high_<mode> instead.
gcc/ChangeLog:
2019-09-28 Iain Sandoe <iain@sandoe.co.uk>
* config/darwin.c (gen_macho_high): Amend to include the mode
argument.
(machopic_indirect_data_reference): Amend gen_macho_high call
to include mode argument.
(machopic_legitimize_pic_address): Likewise.
* config/rs6000/rs6000.c (rs6000_legitimize_address):
* config/rs6000/darwin.md (@macho_high_<mode>): New, replaces
the macho_high expander and two define_insn entries.
From-SVN: r276256
2019-09-28 Steven G. Kargl <kargl@gcc.ngu.org>
PR fortran/91802
* decl.c (attr_decl1): Check if rank+corank > 15.
2019-09-28 Steven G. Kargl <kargl@gcc.ngu.org>
PR fortran/91802
* gfortran.dg/pr91802.f90: New test.
From-SVN: r276254
2019-09-28 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/91864
* gcc/fortran/io.c (match_io_element): An inquiry parameter cannot be
read into.
* gcc/fortran/match.c (gfc_match_allocate): An inquiry parameter
can be neither an allocate-object nor stat variable.
(gfc_match_deallocate): An inquiry parameter cannot be deallocated.
2019-09-28 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/91864
* gcc/testsuite/gfortran.dg/pr91864.f90
From-SVN: r276253
* call.c (involves_qualification_conversion_p): New function.
(direct_reference_binding): Build a ck_qual if the conversion
would involve a qualification conversion.
(convert_like_real): Strip the conversion created by the ck_qual
in direct_reference_binding.
* g++.dg/cpp0x/ref-bind3.C: Add dg-error.
* g++.dg/cpp0x/ref-bind4.C: New test.
* g++.dg/cpp0x/ref-bind5.C: New test.
* g++.dg/cpp0x/ref-bind6.C: New test.
* g++.old-deja/g++.pt/spec35.C: Revert earlier change.
From-SVN: r276251
* class.c (warn_hidden): Only emit the second part of
-Woverloaded-virtual if the first part was issued. Use inform instead
warning_at.
* g++.dg/warn/Woverloaded-2.C: New.
* g++.dg/warn/Woverloaded-2.h: New.
* g++.dg/warn/pr61945.C: Turn dg-warning into dg-message.
* g++.old-deja/g++.mike/warn6.C: Likewise.
* g++.old-deja/g++.warn/virt1.C: Likewise.
From-SVN: r276249
Tweak the exporter for inlinable function bodies to work around a
problem with importing of function calls whose function expressions
are not simple function names. In the bug in question, the function
body exporter was writing out a function call of the form
(*(*FuncTyp)(var))(arg)
which produced an export data representation of
*$convert(<type 5>, var)(x)
which is hard to parse unambiguously. Fix: change the export data
emitter to introduce parens around the function expression for more
complex calls.
Testcase for this bug is in CL 197217.
Fixesgolang/go#34503.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/197122
From-SVN: r276228
PR c++/88203
c-family/
* c-common.h (c_omp_predefined_variable): Declare.
* c-omp.c (c_omp_predefined_variable): New function.
(c_omp_predetermined_sharing): Return OMP_CLAUSE_DEFAULT_SHARED
for predefined variables.
c/
* c-parser.c (c_parser_predefined_identifier): New function.
(c_parser_postfix_expression): Use it.
(c_parser_omp_variable_list): Parse predefined identifiers.
* c-typeck.c (c_finish_omp_clauses): Allow predefined variables
in shared and firstprivate clauses, even when they are predetermined
shared.
cp/
* parser.c (cp_parser_omp_var_list_no_open): Parse predefined
variables.
* semantics.c (finish_omp_clauses): Allow predefined variables in
shared and firstprivate clauses, even when they are predetermined
shared.
* cp-gimplify.c (cxx_omp_predetermined_sharing_1): Return
OMP_CLAUSE_DEFAULT_SHARED for predefined variables.
testsuite/
* c-c++-common/gomp/pr88203-1.c: New test.
* c-c++-common/gomp/pr88203-2.c: New test.
* c-c++-common/gomp/pr88203-3.c: New test.
From-SVN: r276212
Drop the expander and use a mode expander on the define_insn
for macho_correct_pic instead.
gcc/ChangeLog:
2019-09-27 Iain Sandoe <iain@sandoe.co.uk>
* config/rs6000/darwin.md (@macho_correct_pic_<mode>): New,
replaces the expander and two define_insn entries.
(@reload_macho_picbase_<mode>): Update gen_macho_correct_pic
call.
* config/rs6000/rs6000.md (builtin_setjmp_receiver): Likewise.
From-SVN: r276196
* constexpr.c (cxx_fold_indirect_ref): Use similar_type_p.
Merging the similar_type_p change to the concepts branch broke a cmcstl2
testcase; investigating led me to this small testcase which has always
failed on trunk.
(cxx_eval_indirect_ref): Likewise. Improve error location.
From-SVN: r276192
* cp-tree.h (class iloc_sentinel): New.
We didn't already have a sentinel for input_location, and while
temp_override would work, it would also happily set input_location to 0,
which breaks things that try to look up the associated filename.
* decl.c (grokdeclarator, finish_enum_value_list): Use it.
* mangle.c (mangle_decl_string): Use it.
* pt.c (perform_typedefs_access_check): Use it.
From-SVN: r276191
With the current export format, if we already know the type, we don't
have to read and parse the definition.
We only use the finalizer in Import::finalize_methods, so make it a
local variable. To match Finalize_methods::type, only put struct
types into real_for_named.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/197700
From-SVN: r276188
Fetching the size of a type typically involves a hash table lookup,
and is generally non-trivial. The escape analysis code calls is_big
more than one might expect. So only fetch the size if we need it.
Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/197699
From-SVN: r276187
Richard Sandiford
Nick Clifton
Ilya Leoshkevich
Kwok Cheung Yeung
Michael Meissner
Richard Biener
Jonathan Wakely
Martin Jambor
Andreas Tobler
Jakub Jelinek
GCC Administrator
Steven G. Kargl
Iain Sandoe
Paul Thomas
Jakub Jelinek
Kewen Lin
Jerry DeLisle
François Dumont
Marek Polacek
Oleg Endo
Alan Modra
Ian Lance Taylor
Maciej W. Rozycki
David Malcolm
Jason Merrill