Andreas Krebbel [Wed, 7 Mar 2018 13:10:35 +0000 (13:10 +0000)]
S/390: Disable branch prediction
gcc/ChangeLog:
2018-03-07 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
Backport from mainline
2018-02-08 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* config/s390/s390-opts.h (enum indirect_branch): Define.
* config/s390/s390-protos.h (s390_return_addr_from_memory)
(s390_indirect_branch_via_thunk)
(s390_indirect_branch_via_inline_thunk): Add function prototypes.
(enum s390_indirect_branch_type): Define.
* config/s390/s390.c (struct s390_frame_layout, struct
machine_function): Remove.
(indirect_branch_prez10thunk_mask, indirect_branch_z10thunk_mask)
(indirect_branch_table_label_no, indirect_branch_table_name):
Define variables.
(INDIRECT_BRANCH_NUM_OPTIONS): Define macro.
(enum s390_indirect_branch_option): Define.
(s390_return_addr_from_memory): New function.
(s390_handle_string_attribute): New function.
(s390_attribute_table): Add new attribute handler.
(s390_execute_label): Handle UNSPEC_EXECUTE_JUMP patterns.
(s390_indirect_branch_via_thunk): New function.
(s390_indirect_branch_via_inline_thunk): New function.
(s390_function_ok_for_sibcall): When jumping via thunk disallow
sibling call optimization for non z10 compiles.
(s390_emit_call): Force indirect branch target to be a single
register. Add r1 clobber for non-z10 compiles.
(s390_emit_epilogue): Emit return jump via return_use expander.
(s390_reorg): Handle JUMP_INSNs as execute targets.
(s390_option_override_internal): Perform validity checks for the
new command line options.
(s390_indirect_branch_attrvalue): New function.
(s390_indirect_branch_settings): New function.
(s390_set_current_function): Invoke s390_indirect_branch_settings.
(s390_output_indirect_thunk_function): New function.
(s390_code_end): Implement target hook.
(s390_case_values_threshold): Implement target hook.
(TARGET_ASM_CODE_END, TARGET_CASE_VALUES_THRESHOLD): Define target
macros.
* config/s390/s390.h (struct s390_frame_layout)
(struct machine_function): Move here from s390.c.
(TARGET_INDIRECT_BRANCH_NOBP_RET)
(TARGET_INDIRECT_BRANCH_NOBP_JUMP)
(TARGET_INDIRECT_BRANCH_NOBP_JUMP_THUNK)
(TARGET_INDIRECT_BRANCH_NOBP_JUMP_INLINE_THUNK)
(TARGET_INDIRECT_BRANCH_NOBP_CALL)
(TARGET_DEFAULT_INDIRECT_BRANCH_TABLE)
(TARGET_INDIRECT_BRANCH_THUNK_NAME_EXRL)
(TARGET_INDIRECT_BRANCH_THUNK_NAME_EX)
(TARGET_INDIRECT_BRANCH_TABLE): Define macros.
* config/s390/s390.md (UNSPEC_EXECUTE_JUMP)
(INDIRECT_BRANCH_THUNK_REGNUM): Define constants.
(mnemonic attribute): Add values which aren't recognized
automatically.
("*cjump_long", "*icjump_long", "*basr", "*basr_r"): Disable
pattern for branch conversion. Fix mnemonic attribute.
("*c<code>", "*sibcall_br", "*sibcall_value_br", "*return"): Emit
indirect branch via thunk if requested.
("indirect_jump", "<code>"): Expand patterns for branch conversion.
("*indirect_jump"): Disable for branch conversion using out of
line thunks.
("indirect_jump_via_thunk<mode>_z10")
("indirect_jump_via_thunk<mode>")
2018-03-07 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
Backport from mainline
2018-02-09 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/PR84295
* config/s390/s390.c (s390_set_current_function): Invoke
s390_indirect_branch_settings also if fndecl didn't change.
gcc/testsuite/ChangeLog:
2018-03-07 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
Backport from mainline
2018-02-08 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
* gcc.target/s390/nobp-function-pointer-attr.c: New test.
* gcc.target/s390/nobp-function-pointer-nothunk.c: New test.
* gcc.target/s390/nobp-function-pointer-z10.c: New test.
* gcc.target/s390/nobp-function-pointer-z900.c: New test.
* gcc.target/s390/nobp-indirect-jump-attr.c: New test.
* gcc.target/s390/nobp-indirect-jump-inline-attr.c: New test.
* gcc.target/s390/nobp-indirect-jump-inline-z10.c: New test.
* gcc.target/s390/nobp-indirect-jump-inline-z900.c: New test.
* gcc.target/s390/nobp-indirect-jump-nothunk.c: New test.
* gcc.target/s390/nobp-indirect-jump-z10.c: New test.
* gcc.target/s390/nobp-indirect-jump-z900.c: New test.
* gcc.target/s390/nobp-return-attr-all.c: New test.
* gcc.target/s390/nobp-return-attr-neg.c: New test.
* gcc.target/s390/nobp-return-mem-attr.c: New test.
* gcc.target/s390/nobp-return-mem-nothunk.c: New test.
* gcc.target/s390/nobp-return-mem-z10.c: New test.
* gcc.target/s390/nobp-return-mem-z900.c: New test.
* gcc.target/s390/nobp-return-reg-attr.c: New test.
* gcc.target/s390/nobp-return-reg-mixed.c: New test.
* gcc.target/s390/nobp-return-reg-nothunk.c: New test.
* gcc.target/s390/nobp-return-reg-z10.c: New test.
* gcc.target/s390/nobp-return-reg-z900.c: New test.
* gcc.target/s390/nobp-table-jump-inline-z10.c: New test.
* gcc.target/s390/nobp-table-jump-inline-z900.c: New test.
* gcc.target/s390/nobp-table-jump-z10.c: New test.
* gcc.target/s390/nobp-table-jump-z900.c: New test.
2018-03-07 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
Backport from mainline
2018-02-09 Andreas Krebbel <krebbel@linux.vnet.ibm.com>
PR target/PR84295
* gcc.target/s390/pr84295.c: New test.
Martin Liska [Wed, 7 Mar 2018 09:47:46 +0000 (10:47 +0100)]
Backport r256989
2018-03-07 Martin Liska <mliska@suse.cz>
Backport from mainline
2018-01-23 Martin Liska <mliska@suse.cz>
PR lto/81440
* lto-symtab.c (lto_symtab_merge): Handle and do not warn about
trailing arrays at the end of a struct.
2018-03-07 Martin Liska <mliska@suse.cz>
Backport from mainline
2018-01-23 Martin Liska <mliska@suse.cz>
PR lto/81440
* gcc.dg/lto/pr81440.h: New test.
* gcc.dg/lto/pr81440_0.c: New test.
* gcc.dg/lto/pr81440_1.c: New test.
Martin Liska [Wed, 7 Mar 2018 09:45:44 +0000 (10:45 +0100)]
Backport r257490
2018-03-07 Martin Liska <mliska@suse.cz>
Backport from mainline
2018-02-08 Jan Hubicka <hubicka@ucw.cz>
PR ipa/81360
* cgraph.h (symtab_node::output_to_lto_symbol_table_p): Declare
* symtab.c: Include builtins.h
(symtab_node::output_to_lto_symbol_table_p): Move here
from lto-streamer-out.c:output_symbol_p.
* lto-streamer-out.c (write_symbol): Turn early exit to assert.
(output_symbol_p): Move all logic to symtab.c
(produce_symtab): Update.
2018-03-07 Martin Liska <mliska@suse.cz>
Backport from mainline
2018-02-08 Jan Hubicka <hubicka@ucw.cz>
PR ipa/81360
* lto.c (unify_scc): Register prevailing trees, not trees to be freed.
(read_cgraph_and_symbols): Use
symtab_node::output_to_lto_symbol_table_p.
Martin Liska [Wed, 7 Mar 2018 09:44:03 +0000 (10:44 +0100)]
Backport r257412
2018-03-07 Martin Liska <mliska@suse.cz>
Backport from mainline
2018-01-30 Jan Hubicka <hubicka@ucw.cz>
PR lto/81004
* lto.c: Include builtins.h
(register_resolution): Merge resolutions in case trees was
merged across units.
(lto_maybe_register_decl): Break out from ...
(lto_read_decls): ... here.
(unify_scc): Also register decls here.
(read_cgraph_and_symbols): Sanity check that all resolutions was
read.
Martin Liska [Wed, 7 Mar 2018 09:43:23 +0000 (10:43 +0100)]
Backport r257183
2018-03-07 Martin Liska <mliska@suse.cz>
Backport from mainline
2018-01-30 Jan Hubicka <hubicka@ucw.cz>
PR lto/83954
* lto-symtab.c (warn_type_compatibility_p): Silence false positive
for type match warning on arrays of pointers.
2018-03-07 Martin Liska <mliska@suse.cz>
Backport from mainline
2018-01-30 Jan Hubicka <hubicka@ucw.cz>
PR lto/83954
* gcc.dg/lto/pr83954.h: New testcase.
* gcc.dg/lto/pr83954_0.c: New testcase.
* gcc.dg/lto/pr83954_1.c: New testcase.
Eric Botcazou [Tue, 6 Mar 2018 12:21:50 +0000 (12:21 +0000)]
trans.c (convert_with_check): Fix typo in the condition guarding the overflow check emitted for the upper...
* gcc-interface/trans.c (convert_with_check): Fix typo in the condition
guarding the overflow check emitted for the upper bound of a floating-
point conversion.
Paul Thomas [Sat, 3 Mar 2018 18:00:39 +0000 (18:00 +0000)]
re PR fortran/78990 (ICE when assigning polymorphic array function result)
2018-03-03 Paul Thomas <pault@gcc.gnu.org>
PR fortran/78990
* expr.c (gfc_is_class_array_function): Renamed from
'gfc_is_alloc_class_array_function' and modified to return true
for pointers as well as allocatable results.
* gfortran.h : Change of name for prototype of above function.
* trans-array.c (gfc_add_loop_ss_code): Force finalization of
class array results.
(build_class_array_ref): Change assertion into a condition.
(build_class_array_ref): Set the se class_vptr for class array
function results.
(gfc_walk_function_expr): Reference gfc_is_class_array_function
as above.
* trans-decl.c (get_proc_result): Move it up before
gfc_trans_deferred_vars.
(gfc_trans_deferred_vars): Nullify explicit return class arrays
on entry.
* trans-expr.c (gfc_conv_class_to_class): Allow conversion of
class array functions that have an se class_vptr and use it
for the result vptr.
(gfc_conv_subref_array_arg): Rename reference to the above
function.
(gfc_conv_procedure_call): Ditto. Add the se pre block to the
loop pre block before the function is evaluated. Do not
finalize class pointer results.
(arrayfunc_assign_needs_temporary, gfc_trans_assignment_1) More
renamed references.
* trans-intrinsic.c (gfc_conv_intrinsic_size): Ditto.
2018-03-03 Paul Thomas <pault@gcc.gnu.org>
PR fortran/78990
* gfortran.dg/class_67.f90: New test.
Alan Modra [Wed, 28 Feb 2018 08:07:35 +0000 (18:37 +1030)]
gcc testsuite changes for new linker messages
GNU ld error messages have changed to comply with the GNU coding
standards.
* lib/prune.exp (prune_gcc_output): Match lower case "in function"
GNU ld message.
* g++.dg/other/anon5.C: Match lower case "bad value" GNU ld message.
Jerry DeLisle [Fri, 23 Feb 2018 19:53:04 +0000 (19:53 +0000)]
backport: re PR fortran/84506 (INQUIRE(pos=) always sets pos=0 with -fdefault-integer-8)
2018-02-23 Jerry DeLisle <jvdelisle@gcc.gnu.org>
Backport from trunk
PR fortran/84506
* trans-io.c (set_parameter_value_inquire): Adjust range check of
negative unit values for kind=8 units to the kind=4 negative limit.
Steven G. Kargl [Mon, 12 Feb 2018 18:25:41 +0000 (18:25 +0000)]
re PR fortran/54223 (Statement function statement with dummy arguments that are also OPTIONAL may crash in wrong calls)
2018-02-12 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/54223
PR fortran/84276
* interface.c (compare_actual_formal): Add in_statement_function
bool parameter. Skip check of INTENT attribute for statement
functions. Arguments to a statement function cannot be optional,
issue error for missing argument.
(gfc_procedure_use, gfc_ppc_use, gfc_arglist_matches_symbol): Use
in_statement_function.
2018-02-12 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/54223
PR fortran/84276
* gfortran.dg/statement_function_1.f90: New test.
* gfortran.dg/statement_function_2.f90: New test.
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