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2019-01-01Update copyright years.Jakub Jelinek1-1/+1
From-SVN: r267494
2018-01-03Update copyright years.Jakub Jelinek1-1/+1
From-SVN: r256169
2017-04-03Fix numerous typos in commentsJonathan Wakely1-1/+1
gcc: * alias.c (base_alias_check): Fix typo in comment. * cgraph.h (class ipa_polymorphic_call_context): Likewise. * cgraphunit.c (symbol_table::compile): Likewise. * collect2.c (maybe_run_lto_and_relink): Likewise. * config/arm/arm.c (arm_thumb1_mi_thunk): Likewise. * config/avr/avr-arch.h (avr_arch_info_t): Likewise. * config/avr/avr.c (avr_map_op_t): Likewise. * config/cr16/cr16.h (DATA_ALIGNMENT): Likewise. * config/epiphany/epiphany.c (TARGET_ARG_PARTIAL_BYTES): Likewise. * config/epiphany/epiphany.md (movcc): Likewise. * config/i386/i386.c (legitimize_pe_coff_extern_decl): Likewise. * config/m68k/m68k.c (struct _sched_ib, m68k_sched_variable_issue): Likewise. * config/mips/mips.c (mips_save_restore_reg): Likewise. * config/rx/rx.c (rx_is_restricted_memory_address): Likewise. * config/s390/s390.c (Z10_EARLYLOAD_DISTANCE): Likewise. * config/sh/sh.c (sh_rtx_costs): Likewise. * fold-const.c (fold_truth_andor): Likewise. * genautomata.c (collapse_flag): Likewise. * gengtype.h (struct type::u::s): Likewise. * gensupport.c (has_subst_attribute, add_mnemonic_string): Likewise. * input.c (FORMAT_AMOUNT): Likewise. * ipa-cp.c (class ipcp_lattice, agg_replacements_to_vector) (known_aggs_to_agg_replacement_list): Likewise. * ipa-inline-analysis.c: Likewise. * ipa-inline.h (estimate_edge_time, estimate_edge_hints): Likewise. * ipa-polymorphic-call.c (ipa_polymorphic_call_context::restrict_to_inner_class): Likewise. * loop-unroll.c (analyze_insn_to_expand_var): Likewise. * lra.c (lra_optional_reload_pseudos, lra_subreg_reload_pseudos): Likewise. * modulo-sched.c (apply_reg_moves): Likewise. * omp-expand.c (build_omp_regions_1): Likewise. * trans-mem.c (struct tm_wrapper_hasher): Likewise. * tree-ssa-loop-ivopts.c (may_eliminate_iv): Likewise. * tree-ssa-loop-niter.c (maybe_lower_iteration_bound): Likewise. * tree-vect-data-refs.c (vect_enhance_data_refs_alignment): Likewise. * value-prof.c: Likewise. * var-tracking.c (val_reset): Likewise. gcc/ada: * doc/gnat_ugn/gnat_and_program_execution.rst: Fix typo. * g-socket.adb (To_Host_Entry): Fix typo in comment. * gnat_ugn.texi: Fix typo. * raise.c (_gnat_builtin_longjmp): Fix capitalization in comment. * s-stposu.adb (Allocate_Any_Controlled): Fix typo in comment. * sem_ch3.adb (Build_Derived_Record_Type): Likewise. * sem_util.adb (Mark_Coextensions): Likewise. * sem_util.ads (Available_Full_View_Of_Component): Likewise. gcc/c: * c-array-notation.c: Fix typo in comment. gcc/c-family: * c-warn.c (do_warn_double_promotion): Fix typo in comment. gcc/cp: * class.c (update_vtable_entry_for_fn): Fix typo in comment. * decl2.c (one_static_initialization_or_destruction): Likewise. * name-lookup.c (store_bindings): Likewise. * parser.c (make_call_declarator): Likewise. * pt.c (check_explicit_specialization): Likewise. gcc/testsuite: * g++.old-deja/g++.benjamin/scope02.C: Fix typo in comment. * gcc.dg/20031012-1.c: Likewise. * gcc.dg/ipa/ipcp-1.c: Likewise. * gcc.dg/torture/matrix-3.c: Likewise. * gcc.target/powerpc/ppc-spe.c: Likewise. * gcc.target/rx/zero-width-bitfield.c: Likewise. libcpp: * include/line-map.h (LINEMAPS_MACRO_MAPS): Fix typo in comment. * lex.c (search_line_fast): Likewise. * pch.h (cpp_valid_state): Likewise. libdecnumber: * decCommon.c (decFloatFromPackedChecked): Fix typo in comment. * decNumber.c (decNumberPower, decMultiplyOp): Likewise. libgcc: * config/c6x/pr-support.c (__gnu_unwind_execute): Fix typo in comment. libitm: * libitm_i.h (sutrct gtm_thread): Fix typo in comment. From-SVN: r246664
2017-01-01Update copyright years.Jakub Jelinek1-1/+1
From-SVN: r243994
2016-01-22libitm: Fix HTM fastpath.Torvald Riegel1-5/+0
* beginend.cc (GTM::gtm_thread::serial_lock): Put on cacheline boundary. (htm_fastpath): Remove. (gtm_thread::begin_transaction): Fix HTM fastpath. (_ITM_commitTransaction): Adapt. (_ITM_commitTransactionEH): Adapt. * libitm/config/linux/rwlock.h (gtm_rwlock): Add htm_fastpath member and accessors. * libitm/config/posix/rwlock.h (gtm_rwlock): Likewise. * libitm/config/posix/rwlock.cc (gtm_rwlock::gtm_rwlock): Adapt. * libitm/config/x86/sjlj.S (_ITM_beginTransaction): Fix HTM fastpath. * libitm/libitm_i.h (htm_fastpath): Remove declaration. * libitm/method-serial.cc (htm_mg): Adapt. (gtm_thread::serialirr_mode): Adapt. * libitm/query.cc (_ITM_inTransaction, _ITM_getTransactionId): Adapt. From-SVN: r232735
2016-01-19libitm: Remove dead code.Torvald Riegel1-8/+0
* local_type_traits: Remove file. * libitm_i.h: Don't include it anymore. (sized_integral): Remove. From-SVN: r232581
2016-01-12libitm: Remove dead code and data.Torvald Riegel1-4/+0
From-SVN: r232275
2016-01-04Update copyright years.Jakub Jelinek1-1/+1
From-SVN: r232055
2015-11-22libitm: Fix recent changes to allocations log.Torvald Riegel1-6/+4
libitm/ * libitm_i.h (gtm_alloc_action): Remove union. * testsuite/libitm.c/alloc-1.c: New. From-SVN: r230727
2015-11-20Support __cxa_free_exception and fix exception handling.Torvald Riegel1-4/+7
gcc/cp/ * except.c (do_free_exception): Use transactional wrapper. libitm/ * testsuite/libitm.c++/eh-5.C: New. * libitm.h (_ITM_cxa_free_exception): New. * libitm.map (_ITM_cxa_free_exception): Add it. * libitm.texi: Update ABI docs. * libitm_i.h (gtm_transaction_cp::cxa_unthrown): Remove. (gtm_transaction_cp::cxa_uncaught_count): Add. (gtm_thread::cxa_unthrown): Remove. (gtm_thread::cxa_uncaught_count_ptr): Add. (gtm_thread::cxa_uncaught_count): Add. (gtm_thread::drop_references_allocations): Rename to... (gtm_thread::discard_allocation): ... this and adapt. (gtm_thread::init_cpp_exceptions): New. * beginend.cc (gtm_thread::gtm_thread): Adapt EH handling. (gtm_thread::begin_transaction): Likewise. (gtm_transaction_cp::save): Likewise. (gtm_thread::trycommit): Likewise. * eh_cpp.cc: Add overview comments. (__cxa_eh_globals, __cxa_get_globals, __cxa_free_exception): Declare. (free_any_exception, _ITM_cxa_free_exception): New. (gtm_thread::init_cpp_exceptions): Define. (_ITM_cxa_allocate_exception, _ITM_cxa_throw): Adapt. (_ITM_cxa_begin_catch, _ITM_cxa_end_catch): Likewise. (gtm_thread::revert_cpp_exceptions): Likewise. From-SVN: r230634
2015-11-09Support sized delete.Torvald Riegel1-1/+16
This adds transactional clones of the sized version of operator delete. From-SVN: r230036
2015-01-05Update copyright years.Jakub Jelinek1-1/+1
From-SVN: r219188
2014-01-02Update copyright years in libitm/Richard Sandiford1-1/+1
From-SVN: r206298
2013-08-30Add custom HTM fast path for RTM on x86_64.Torvald Riegel1-10/+16
* libitm_i.h (gtm_thread): Assign an asm name to serial_lock. (htm_fastpath): Assign an asm name. * libitm.h (_ITM_codeProperties): Add non-ABI flags used by custom HTM fast paths. (_ITM_actions): Likewise. * config/x86/target.h (HTM_CUSTOM_FASTPATH): Enable custom fastpath on x86_64. * config/x86/sjlj.S (_ITM_beginTransaction): Add custom HTM fast path. * config/posix/rwlock.h (gtm_rwlock): Update comments. Move summary field to the start of the structure. * config/linux/rwlock.h (gtm_rwlock): Update comments. * beginend.cc (gtm_thread::begin_transaction): Add retry policy handling for custom HTM fast paths. From-SVN: r202101
2013-02-03Update copyright in libitm.Richard Sandiford1-1/+1
From-SVN: r195697
2012-11-09Add HTM fastpath and use Intel RTM for it on x86.Torvald Riegel1-0/+5
* beginend.cc (htm_fastpath): New. (gtm_thread::begin_transaction, _ITM_commitTransaction, _ITM_commitTransactionEH): Add HTM fastpath handling. * config/linux/rwlock.h (gtm_rwlock.is_write_locked): New. * config/posix/rwlock.h (gtm_rwlock.is_write_locked): New. * config/x86/target.h (htm_available, htm_init, htm_begin_success, htm_begin, htm_commit, htm_abort, htm_abort_should_retry): New. * configure.tgt: Add -mrtm to XCFLAGS. * method-serial.cc (htm_mg, o_htm_mg, htm_dispatch, dispatch_htm): New. (gtm_thread::serialirr_mode): Add HTM fastpath handling. * libitm_i.h (htm_fastpath, dispatch_htm): Declare. * retry.cc (parse_default_method): Add HTM method parsing. (gtm_thread::number_of_threads_changed): Use HTM by default if available. From-SVN: r193369
2012-02-14libitm: Add multi-lock, write-through TM method.Torvald Riegel1-0/+12
libitm/ * libitm_i.h (GTM::gtm_rwlog_entry): New. (GTM::gtm_thread): Add read and write logs. (GTM::dispatch_ml_wt): Declare. * retry.cc (parse_default_method): Support ml_wt. * method-ml.cc: New file. * Makefile.am: Add method-ml.cc. * Makefile.in: Regenerate. From-SVN: r184212
2012-01-13libitm: Filter out undo writes that overlap with the libitm stack.Torvald Riegel1-1/+1
PR libitm/51855 * config/generic/tls.h (GTM::mask_stack_top): New. (GTM::mask_stack_bottom): Declare. * config/generic/tls.c (GTM::mask_stack_bottom): New. * local.cc (gtm_undolog::rollback): Filter out any updates that overlap the libitm stack. Add current transaction as parameter. * libitm_i.h (GTM::gtm_undolog::rollback): Adapt. * beginend.cc (GTM::gtm_thread::rollback): Adapt. * testsuite/libitm.c/stackundo.c: New test. From-SVN: r183172
2012-01-09libitm_i.h (_Unwind_DeleteException): Declare weak.Richard Henderson1-0/+4
* libitm_i.h (_Unwind_DeleteException): Declare weak. * eh_cpp.cc (_Unwind_DeleteException): Define for !HAVE_ELF_STYLE_WEAKREF. From-SVN: r183049
2012-01-08libitm: Optimize undo log.Torvald Riegel1-10/+25
libitm/ * local.cc (GTM_LB): Use GTM::gtm_undolog. (GTM::gtm_thread::drop_references_undolog): Remove. (GTM::gtm_thread::commit_undolog, GTM::gtm_thread::rollback_undolog): Move to ... * libitm_i.h (GTM::gtm_undolog): ...here. New. (GTM::gtm_undolog_entry): Remove. (GTM::gtm_thread): Adapt. * beginend.cc (GTM::gtm_thread::rollback): Adapt. (GTM::gtm_thread::trycommit): Adapt. * method-serial.cc (serial_dispatch::log): Adapt. * method-gl.cc (gl_wt_dispatch::pre_write): Adapt. (gl_wt_dispatch::store): Fix likely/unlikely. * containers.h (GTM::vector::resize): Add additional_capacity parameter and handle it. (GTM::vector::resize_noinline): New/adapt. (GTM::vector::push): New. From-SVN: r182992
2011-12-24libitm: Fix privatization safety during upgrades to serial mode.Torvald Riegel1-1/+2
libitm/ * beginend.cc (GTM::gtm_thread::restart): Add and handle finish_serial_upgrade parameter. * libitm.h (GTM::gtm_thread::restart): Adapt declaration. * config/linux/rwlock.cc (GTM::gtm_rwlock::write_lock_generic): Don't unset reader flag. (GTM::gtm_rwlock::write_upgrade_finish): New. * config/posix/rwlock.cc: Same. * config/linux/rwlock.h (GTM::gtm_rwlock::write_upgrade_finish): Declare. * config/posix/rwlock.h: Same. * method-serial.cc (GTM::gtm_thread::serialirr_mode): Unset reader flag after commit or after rollback when restarting. From-SVN: r182675
2011-12-13libitm: Conversion to c++11 atomics.Richard Henderson1-1/+2
* local_atomic: New file. * libitm_i.h: Include it. (gtm_thread::shared_state): Use atomic template. * beginend.cc (GTM::gtm_clock): Use atomic template. (global_tid): Use atomic template if 64-bit atomics available. (gtm_thread::gtm_thread): Update shared_state access. (gtm_thread::trycommit): Likewise. (choose_code_path): Update global_tid access. * method-gl.cc (gl_mg::orec): Use atomic template. Update all users. * stmlock.h (GTM::gtm_clock): Use atomic template. (gtm_get_clock, gtm_inc_clock): Update accesses. * config/linux/rwlock.cc (gtm_rwlock::read_lock): Remove redundant __sync_synchronize after atomic shared_state access. * config/posix/rwlock.cc (gtm_rwlock::read_lock): Likewise. (gtm_rwlock::write_lock_generic): Likewise. (gtm_rwlock::read_unlock): Likewise. * config/alpha/target.h (atomic_read_barrier): Remove. (atomic_write_barrier): Remove. * config/x86/target.h (atomic_read_barrier): Remove. (atomic_write_barrier): Remove. From-SVN: r182294
2011-11-30Swap the action and jmpbuf arguments to GTM_longjmpRichard Henderson1-1/+1
On several ABIs, the first register parameter is the same as the return value register. Moving the action parameter first avoids the need for register shuffling on these targets. * libitm_i.h (GTM_longjmp): Swap first and second arguments. * beginend.c (_ITM_abortTransaction): Update to match. (GTM::gtm_thread::restart): Likewise. * config/alpha/sjlj.S (GTM_longjmp): Likewise. * config/x86/sjlj.S (GTM_longjmp): Likewise. From-SVN: r181863
2011-11-22sjlj.S (CONCAT1, [...]): Respond to __USER_LABEL_PREFIX__ for targets that ↵Iain Sandoe1-1/+7
use it. libitm: * config/x86/sjlj.S (CONCAT1, CONCAT2, SYM): Respond to __USER_LABEL_PREFIX__ for targets that use it. TYPE, SIZE, HIDDEN): New macros to assist on non-elf targets. (_ITM_beginTransaction): Use SYM, TYPE, SIZE macros to assist in portability to non-elf targets. (GTM_longjmp): LIkewise. * libitm_i.h (begin_transaction): Apply __USER_LABEL_PREFIX__ where required. From-SVN: r181612
2011-11-09libitm: Remove unused code.Richard Henderson1-1/+0
In particular, unused code that's presenting portability problems. From-SVN: r181241
2011-11-08Merge from transactional-memory branch.Aldy Hernandez1-0/+302
From-SVN: r181154
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