2014-11-13 Richard Biener <rguenther@suse.de>
* match.pd: Add tcc_comparison, inverted_tcc_comparison
and inverted_tcc_comparison_with_nans operator lists.
Use tcc_comparison in the truth_valued_p predicate definition.
Restrict logical_inverted_value with bit_xor to integral types.
Build a boolean true for simplifying x |^ !x because of
vector types. Implement patterns from forward_propagate_comparison
* tree-ssa-forwprop.c (forward_propagate_comparison): Remove.
(get_prop_dest_stmt): Likewise.
(pass_forwprop::execute): Do not call it.
* fold-const.c (fold_unary_loc): Remove the pattern here.
* gcc.dg/tree-ssa/forwprop-28.c: Adjust.
From-SVN: r217496
gcc/
* common.opt (foffload, foffload-abi): New options.
* config/i386/i386.c (ix86_offload_options): New static function.
(TARGET_OFFLOAD_OPTIONS): Define.
* coretypes.h (enum offload_abi): New enum.
* doc/tm.texi: Regenerate.
* doc/tm.texi.in (TARGET_OFFLOAD_OPTIONS): Document.
* gcc.c (offload_targets): New static variable.
(handle_foffload_option): New static function.
(driver_handle_option): Handle OPT_foffload_.
(driver::maybe_putenv_OFFLOAD_TARGETS): Set OFFLOAD_TARGET_NAMES
according to offload_targets.
* hooks.c (hook_charptr_void_null): New hook.
* hooks.h (hook_charptr_void_null): Declare.
* lto-opts.c: Include lto-section-names.h.
(lto_write_options): Append options from target offload_options hook and
store them to offload_lto section. Do not store target-specific,
driver and diagnostic options in offload_lto section.
* lto-wrapper.c (merge_and_complain): Handle OPT_foffload_ and
OPT_foffload_abi_.
(append_compiler_options, append_linker_options)
(append_offload_options): New static functions.
(compile_offload_image): Add new arguments with options.
Call append_compiler_options and append_offload_options.
(compile_images_for_offload_targets): Add new arguments with options.
(find_and_merge_options): New static function.
(run_gcc): Outline options handling into the new functions:
find_and_merge_options, append_compiler_options, append_linker_options.
* opts.c (common_handle_option): Don't handle OPT_foffload_.
Forbid OPT_foffload_abi_ for non-offload compiler.
* target.def (offload_options): New target hook.
Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com>
Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com>
From-SVN: r217493
libgomp/
* libgomp.map (GOMP_4.0.1): New symbol version.
Add GOMP_offload_register.
* libgomp_target.h: New file.
* splay-tree.h: New file.
* target.c: Include config.h, libgomp_target.h, dlfcn.h, splay-tree.h.
(gomp_target_init): New forward declaration.
(gomp_is_initialized): New static variable.
(splay_tree_node, splay_tree, splay_tree_key): New typedefs.
(struct target_mem_desc, struct splay_tree_key_s, offload_image_descr):
New structures.
(offload_images, num_offload_images, devices, num_devices): New static
variables.
(splay_compare): New static function.
(struct gomp_device_descr): New structure.
(gomp_get_num_devices): Call gomp_target_init.
(resolve_device, gomp_map_vars_existing, gomp_map_vars, gomp_unmap_tgt)
(gomp_unmap_vars, gomp_update, gomp_init_device): New static functions.
(GOMP_offload_register): New function.
(GOMP_target): Arrange for host callback to be performed in a separate
initial thread and contention group, inheriting ICVs from
gomp_global_icv etc. Call gomp_map_vars and gomp_unmap_vars.
Add device initialization and lookup for target function in splay tree.
(GOMP_target_data): Add device initialization and call gomp_map_vars.
(GOMP_target_end_data): Call gomp_unmap_vars.
(GOMP_target_update): Add device initialization and call gomp_update.
(gomp_load_plugin_for_device, gomp_register_images_for_device)
(gomp_target_init): New static functions.
Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com>
Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com>
Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com>
From-SVN: r217492
gcc/
* gcc.c (spec_host_machine, accel_dir_suffix): New variables.
(process_command): Tweak path construction for the possibility
of being configured as an offload compiler.
(driver::maybe_putenv_OFFLOAD_TARGETS): New function.
(driver::main): Call maybe_putenv_OFFLOAD_TARGETS.
(driver::set_up_specs): Tweak path construction for the possibility of
being configured as an offload compiler.
* lto-wrapper.c (OFFLOAD_TARGET_NAMES_ENV): Define.
(offload_names, offloadbegin, offloadend): New static variables.
(free_array_of_ptrs, parse_env_var, access_check, compile_offload_image)
(compile_images_for_offload_targets, copy_file, find_offloadbeginend):
New static functions.
(run_gcc): Determine whether offload sections are present. If so, run
compile_images_for_offload_targets and return the names of new generated
objects to linker. If there are offload sections, but no LTO sections,
then return the copies of input objects without link-time recompilation.
lto-plugin/
* lto-plugin.c (OFFLOAD_SECTION, OFFLOAD_SECTION_LEN): Define.
(struct plugin_objfile): Add new field "offload".
(process_offload_section): New static function.
(claim_file_handler): Claim file if it contains offload sections.
Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com>
Co-Authored-By: Bernd Schmidt <bernds@codesourcery.com>
Co-Authored-By: Michael Zolotukhin <michael.v.zolotukhin@intel.com>
From-SVN: r217491
gcc/
* cgraph.c: Include context.h.
(cgraph_node::create): Set node->offloadable and g->have_offload if
decl have "omp declare target" attribute.
* cgraph.h (symtab_node): Add need_lto_streaming and offloadable flags.
* cgraphunit.c: Include lto-section-names.h.
(ipa_passes): Call ipa_write_summaries if there is something to write to
OFFLOAD_SECTION_NAME_PREFIX sections.
(symbol_table::compile): Set flag_generate_lto if there is something to
offload.
Replace flag_lto with flag_generate_lto before lto_streamer_hooks_init.
* context.c (gcc::context::context): Initialize have_offload with false.
* context.h (class context): Add have_offload flag.
* ipa-inline-analysis.c (inline_generate_summary): Do not exit under
flag_generate_lto.
(inline_free_summary): Always remove hooks.
* lto-cgraph.c (referenced_from_other_partition_p): Ignore references
from non-offloadable nodes while streaming a node into offload section.
(reachable_from_other_partition_p): Likewise.
(select_what_to_stream): New function.
(compute_ltrans_boundary): Do not call
lto_set_symtab_encoder_in_partition if the node should not be streamed.
* lto-section-names.h (OFFLOAD_SECTION_NAME_PREFIX): Define.
(section_name_prefix): Declare.
* lto-streamer.c (section_name_prefix): New variable.
(lto_get_section_name): Use section_name_prefix instead of
LTO_SECTION_NAME_PREFIX.
* lto-streamer.h (select_what_to_stream): Declare.
* omp-low.c: Include context.h.
(is_targetreg_ctx): New function.
(scan_sharing_clauses): Use offloadable flag, instead of an attribute.
(create_omp_child_function, check_omp_nesting_restrictions): Use new
is_targetreg_ctx function. Replace usage of "omp declare target"
attribute with a cgraph_node flag offloadable.
(expand_omp_target): Set mark_force_output for offloadable functions.
(lower_omp_critical): Set offloadable flag for omp critical symbol.
* passes.c (ipa_write_summaries): New argument offload_lto_mode. Call
select_what_to_stream. Do not call lto_set_symtab_encoder_in_partition
if the node should not be streamed out.
* tree-pass.h (ipa_write_summaries): New bool argument.
* varpool.c: Include context.h.
(varpool_node::get_create): Set node->offloadable and g->have_offload if
decl have "omp declare target" attribute.
gcc/lto/
* lto-object.c (lto_obj_add_section): Use section_name_prefix instead of
LTO_SECTION_NAME_PREFIX.
* lto-partition.c (lto_promote_cross_file_statics): Call
select_what_to_stream.
* lto.c (lto_section_with_id): Use section_name_prefix instead of
LTO_SECTION_NAME_PREFIX.
(read_cgraph_and_symbols): Read OFFLOAD_SECTION_NAME_PREFIX sections, if
being built as an offload compiler.
Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com>
Co-Authored-By: Bernd Schmidt <bernds@codesourcery.com>
Co-Authored-By: Michael Zolotukhin <michael.v.zolotukhin@intel.com>
From-SVN: r217486
* configure: Regenerate.
* configure.ac (--enable-as-accelerator-for)
(--enable-offload-targets): New configure options.
gcc/
* Makefile.in (real_target_noncanonical, accel_dir_suffix)
(enable_as_accelerator): New variables substituted by configure.
(libsubdir, libexecsubdir, unlibsubdir): Tweak for the possibility of
being configured as an offload compiler.
(DRIVER_DEFINES): Pass new defines DEFAULT_REAL_TARGET_MACHINE and
ACCEL_DIR_SUFFIX.
(install-cpp, install-common, install_driver, install-gcc-ar): Do not
install for the offload compiler.
* config.in: Regenerate.
* configure: Regenerate.
* configure.ac (real_target_noncanonical, accel_dir_suffix)
(enable_as_accelerator): Compute new variables.
(ACCEL_COMPILER): Define if the compiler is built as the accel compiler.
(OFFLOAD_TARGETS): List of target names suitable for offloading.
(ENABLE_OFFLOADING): Define if list of offload targets is not empty.
gcc/cp/
* Make-lang.in (c++.install-common): Do not install for the offload
compiler.
gcc/doc/
* install.texi (Options specification): Document
--enable-as-accelerator-for and --enable-offload-targets.
gcc/fortran/
* Make-lang.in (fortran.install-common): Do not install for the offload
compiler.
libgcc/
* Makefile.in (crtoffloadbegin$(objext)): New rule.
(crtoffloadend$(objext)): Likewise.
* configure: Regenerate.
* configure.ac (accel_dir_suffix): Compute new variable.
(extra_parts): Add crtoffloadbegin.o and crtoffloadend.o
if enable_offload_targets is not empty.
* offloadstuff.c: New file.
libgomp/
* config.h.in: Regenerate.
* configure: Regenerate.
* configure.ac: Check for libdl, required for plugin support.
(PLUGIN_SUPPORT): Define if plugins are supported.
(enable_offload_targets): Support Intel MIC targets.
(OFFLOAD_TARGETS): List of target names suitable for offloading.
lto-plugin/
* Makefile.am (libexecsubdir): Tweak for the possibility of being
configured for offload compiler.
(accel_dir_suffix, real_target_noncanonical): New variables substituted
by configure.
* Makefile.in: Regenerate.
* configure: Regenerate.
* configure.ac (accel_dir_suffix, real_target_noncanonical): Compute new
variables.
Co-Authored-By: Andrey Turetskiy <andrey.turetskiy@intel.com>
Co-Authored-By: Ilya Verbin <ilya.verbin@intel.com>
Co-Authored-By: Thomas Schwinge <thomas@codesourcery.com>
From-SVN: r217485
2014-11-13 Janne Blomqvist <jb@gcc.gnu.org>
PR libfortran/60324
* configure: Regenerated.
* configure.ac (AM_CFLAGS): Add Werror=vla.
* libgfortran.h (gfc_alloca): Remove macro.
(fc_strdup_notrim): New prototype.
* intrinsics/access.c (access_func): Use fc_strdup rather than
stack allocation.
* intrinsics/chdir.c (chdir_i4_sub): Likewise.
(chdir_i8_sub): Likewise.
* intrinsics/chmod.c (chmod_internal): New function, move logic
here.
(chmod_func): Call chmod_internal.
* intrinsics/env.c (getenv): Use fc_strdup rather than stack
allocation.
(get_environment_variable_i4): Likewise.
* intrinsics/execute_command_line.c (execute_command_line):
Likewise.
* intrinsics/hostnm.c (hostnm_0): New function, use static buffer
rather than VLA.
(hostnm_i4_sub): Call hostnm_0.
(hostnm_i8_sub): Likewise.
(hostnm): Likewise.
* intrinsics/link.c (link_internal): New function, use fc_strdup
rather than stack allocation.
(link_i4_sub): Call link_internal.
(link_i8_sub): Likewise.
(link_i4): Likewise.
(link_i8): Likewise.
* intrinsics/perror.c (perror_sub): Use fc_strdup rather than
stack allocation.
* intrinsics/random.c (random_seed_i4): Use static buffer rather
than VLA, use _Static_assert to make sure it's big enough.
* intrinsics/rename.c (rename_internal): New function, use
fc_strdup rather than stack allocation.
(rename_i4_sub): Call rename_internal.
(rename_i8_sub): Likewise.
(rename_i4): Likewise.
(rename_i8): Likewise.
* intrinsics/stat.c (stat_i4_sub_0): Use fc_strdup rather than
stack allocation.
(stat_i8_sub_0): Likewise.
* intrinsics/symlink.c (symlnk_internal): New function, use
fc_strdup rather than stack allocation.
(symlnk_i4_sub): Call symlnk_internal.
(symlnk_i8_sub): Likewise.
(symlnk_i4): Likewise.
(symlnk_i8): Likewise.
* intrinsics/system.c (system_sub): Use fc_strdup rather than
stack allocation.
* intrinsics/unlink.c (unlink_i4_sub): Likewise.
* io/file_pos.c (READ_CHUNK): Make it a macro rather than variable.
* io/list_read.c (nml_get_obj_data): Use fixed stack buffer, fall
back to xmalloc/free for large sizes.
* io/read.c (read_f): Likewise.
* io/transfer.c (MAX_READ): Make it a macro rather than variable.
(WRITE_CHUNK): Likewise.
* io/write_float.def (write_float): Use fixed stack buffer, fall
back to xmalloc/free for large sizes.
* runtime/string.c (fc_strdup_notrim): New function.
From-SVN: r217480
2014-11-13 Tom de Vries <tom@codesourcery.com>
* omp-low.c (pass_data_expand_omp): Set properties_provided to
PROP_gimple_eomp.
(pass_expand_omp::gate): Remove function. Move gate expression to ...
(pass_expand_omp::execute): ... here, as new variable gate. Add early
exit if gate is false.
(pass_data pass_data_expand_omp_ssa): New pass_data.
(class pass_expand_omp_ssa): New pass.
(make_pass_expand_omp_ssa): New function.
* passes.def (pass_parallelize_loops): Use PUSH_INSERT_PASSES_WITHIN
instead of NEXT_PASS.
(pass_expand_omp_ssa): Add after pass_parallelize_loops.
* tree-parloops.c (gen_parallel_loop): Remove call to omp_expand_local.
(pass_parallelize_loops::execute): Don't do cleanups TODO_cleanup_cfg
and TODO_rebuild_alias yet. Add TODO_update_ssa. Set
cfun->omp_expand_needed.
* tree-pass.h: Add define PROP_gimple_eomp.
(make_pass_expand_omp_ssa): Declare.
From-SVN: r217474
2014-11-12 Vladimir Makarov <vmakarov@redhat.com>
* common.opt (flra-remat): New.
* opts.c (default_options_table): Add entry for flra_remat.
* timevar_def (TV_LRA_REMAT): New.
* doc/invoke.texi (-flra-remat): Add description of the new
option.
* doc/passes.texi (-flra-remat): Remove lra-equivs.c and
lra-saves.c. Add lra-remat.c.
* Makefile.in (OBJS): Add lra-remat.o.
* lra-remat.c: New file.
* lra.c: Add info about the rematerialization pass in the top
comment.
(collect_non_operand_hard_regs, add_regs_to_insn_regno_info):
Process unallocatable regs too.
(lra_constraint_new_insn_uid_start): Remove.
(lra): Add code for calling rematerialization sub-pass.
* lra-int.h (lra_constraint_new_insn_uid_start): Remove.
(lra_constrain_insn, lra_remat): New prototypes.
(lra_eliminate_regs_1): Add parameter.
* lra-lives.c (make_hard_regno_born, make_hard_regno_dead):
Process unallocatable hard regs too.
(process_bb_lives): Ditto.
* lra-spills.c (remove_pseudos): Add argument to
lra_eliminate_regs_1 call.
* lra-eliminations.c (lra_eliminate_regs_1): Add parameter. Use it
for sp offset calculation.
(lra_eliminate_regs): Add argument for lra_eliminate_regs_1 call.
(eliminate_regs_in_insn): Add parameter. Use it for sp offset
calculation.
(process_insn_for_elimination): Add argument for
eliminate_regs_in_insn call.
* lra-constraints.c (get_equiv_with_elimination): Add argument
for lra_eliminate_regs_1 call.
(process_addr_reg): Add parameter. Use it.
(process_address_1): Ditto. Add argument for process_addr_reg
call.
(process_address): Ditto.
(curr_insn_transform): Add parameter. Use it. Add argument for
process_address calls.
(lra_constrain_insn): New function.
(lra_constraints): Add argument for curr_insn_transform call.
From-SVN: r217458
When using dot imports, it is possible to
have an imported symbol name that matches
the name of a struct field in a composite
literal. Do not consider the imported
package to be used in this situation.
Fixes issue 6427.
From-SVN: r217453
PR ipa/63838
* ipa-pure-const.c (propagate_nothrow): Walk w->indirect_calls
chain instead of node->indirect_calls. Put !can_throw into
conditions of all the loops.
* g++.dg/ipa/pr63838.C: New test.
From-SVN: r217449
gcc/
* config/aarch64/aarch64.h (CALL_USED_REGISTERS): Mark LR as caller-save.
(EPILOGUE_USES): Guard the check by epilogue_completed.
* config/aarch64/aarch64.c (aarch64_layout_frame): Explictly check for LR.
(aarch64_can_eliminate): Check LR_REGNUM liveness.
gcc/testsuite/
* gcc.target/aarch64/lr_free_1.c: New testcase for -fomit-frame-pointer.
* gcc.target/aarch64/lr_free_2.c: New testcase for leaf
-fno-omit-frame-pointer.
From-SVN: r217431
Ilya Verbin
Kirill Yukhin
Richard Biener
Andrey Turetskiy
Bernd Schmidt
Jakub Jelinek
H.J. Lu
Janne Blomqvist
Eric Botcazou
Tom de Vries
Manuel López-Ibáñez
Rainer Orth
Marek Polacek
Kai Tietz
Alexander Ivchenko
Nick Clifton
Tim Shen
Vladimir Makarov
GCC Administrator
Ian Lance Taylor
Jonathan Wakely
Matthew Fortune
Paolo Carlini
Alan Lawrence
Tobias Burnus
Tobias Burnus
Uros Bizjak
Jiong Wang
Ramana Radhakrishnan