Daily bump.
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gcc/ChangeLog
119
gcc/ChangeLog
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2021-02-15 Maya Rashish <coypu@sdf.org>
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* config/aarch64/aarch64.c (aarch64_init_builtins):
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Call SUBTARGET_INIT_BUILTINS.
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2021-02-15 Peter Bergner <bergner@linux.ibm.com>
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PR rtl-optimization/98872
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* init-regs.c (initialize_uninitialized_regs): Skip initialization
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if CONST0_RTX is NULL.
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2021-02-15 Richard Sandiford <richard.sandiford@arm.com>
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PR rtl-optimization/98863
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* rtl-ssa/functions.h (function_info::bb_live_out_info): Delete.
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(function_info::build_info): Turn into a declaration, moving the
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definition to internals.h.
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(function_info::bb_walker): Declare.
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(function_info::create_reg_use): Likewise.
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(function_info::calculate_potential_phi_regs): Take a build_info
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parameter.
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(function_info::place_phis, function_info::create_ebbs): Declare.
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(function_info::calculate_ebb_live_in_for_debug): Likewise.
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(function_info::populate_backedge_phis): Delete.
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(function_info::start_block, function_info::end_block): Declare.
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(function_info::populate_phi_inputs): Delete.
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(function_info::m_potential_phi_regs): Move information to build_info.
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* rtl-ssa/internals.h: New file.
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(function_info::bb_phi_info): New class.
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(function_info::build_info): Moved from functions.h.
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Add a constructor and destructor.
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(function_info::build_info::ebb_use): Delete.
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(function_info::build_info::ebb_def): Likewise.
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(function_info::build_info::bb_live_out): Likewise.
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(function_info::build_info::tmp_ebb_live_in_for_debug): New variable.
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(function_info::build_info::potential_phi_regs): Likewise.
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(function_info::build_info::potential_phi_regs_for_debug): Likewise.
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(function_info::build_info::ebb_def_regs): Likewise.
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(function_info::build_info::bb_phis): Likewise.
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(function_info::build_info::bb_mem_live_out): Likewise.
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(function_info::build_info::bb_to_rpo): Likewise.
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(function_info::build_info::def_stack): Likewise.
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(function_info::build_info::old_def_stack_limit): Likewise.
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* rtl-ssa/internals.inl (function_info::build_info::record_reg_def):
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Remove the regno argument. Push the previous definition onto the
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definition stack where necessary.
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* rtl-ssa/accesses.cc: Include internals.h.
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* rtl-ssa/changes.cc: Likewise.
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* rtl-ssa/blocks.cc: Likewise.
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(function_info::build_info::build_info): Define.
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(function_info::build_info::~build_info): Likewise.
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(function_info::bb_walker): New class.
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(function_info::bb_walker::bb_walker): Define.
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(function_info::add_live_out_use): Convert a logarithmic-complexity
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test into a linear one. Allow the same definition to be passed
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multiple times.
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(function_info::calculate_potential_phi_regs): Moved from
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functions.cc. Take a build_info parameter and store the
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information there instead.
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(function_info::place_phis): New function.
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(function_info::add_entry_block_defs): Update call to record_reg_def.
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(function_info::calculate_ebb_live_in_for_debug): New function.
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(function_info::add_phi_nodes): Use bb_phis to decide which
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registers need phi nodes and initialize ebb_def_regs accordingly.
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Do not add degenerate phis here.
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(function_info::add_artificial_accesses): Use create_reg_use.
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Assert that all definitions are listed in the DF LR sets.
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Update call to record_reg_def.
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(function_info::record_block_live_out): Record live-out register
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values in the phis of successor blocks. Use the live-out set
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when processing the last block in an EBB, instead of always
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using the live-in sets of successor blocks. AND the live sets
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with the set of registers that have been defined in the EBB,
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rather than with all potential phi registers. Cope correctly
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with branches back to the start of the current EBB.
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(function_info::start_block): New function.
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(function_info::end_block): Likewise.
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(function_info::populate_phi_inputs): Likewise.
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(function_info::create_ebbs): Likewise.
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(function_info::process_all_blocks): Rewrite into a multi-phase
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process.
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* rtl-ssa/functions.cc: Include internals.h.
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(function_info::calculate_potential_phi_regs): Move to blocks.cc.
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(function_info::init_function_data): Remove caller.
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* rtl-ssa/insns.cc: Include internals.h
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(function_info::create_reg_use): New function. Lazily any
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degenerate phis needed by the linear RPO view.
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(function_info::record_use): Use create_reg_use. When processing
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debug uses, use potential_phi_regs and test it before checking
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whether the register is live on entry to the current EBB. Lazily
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calculate ebb_live_in_for_debug.
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(function_info::record_call_clobbers): Update call to record_reg_def.
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(function_info::record_def): Likewise.
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2021-02-15 Martin Liska <mliska@suse.cz>
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* toplev.c (init_asm_output): Free output of
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gen_command_line_string function.
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(process_options): Likewise.
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2021-02-15 Martin Liska <mliska@suse.cz>
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* params.opt: Add 2 missing Param keywords.
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2021-02-15 Eric Botcazou <ebotcazou@adacore.com>
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* df-core.c (df_worklist_dataflow_doublequeue): Use proper cast.
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2021-02-15 Jakub Jelinek <jakub@redhat.com>
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PR tree-optimization/99079
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* match.pd (A % (pow2pcst << N) -> A & ((pow2pcst << N) - 1)): Remove
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useless tree_nop_conversion_p (type, TREE_TYPE (@3)) check. Instead
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require both type and TREE_TYPE (@1) to be integral types and either
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type having smaller or equal precision, or TREE_TYPE (@1) being
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unsigned type, or type being signed type. If TREE_TYPE (@1)
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doesn't have wrapping overflow, perform the subtraction of one in
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unsigned type.
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2021-02-14 Jan Hubicka <hubicka@ucw.cz>
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Richard Biener <rguether@suse.de>
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@ -1 +1 @@
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20210215
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20210216
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@ -1,3 +1,14 @@
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2021-02-15 Peter Bergner <bergner@linux.ibm.com>
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PR rtl-optimization/98872
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* gcc.target/powerpc/pr98872.c: New test.
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2021-02-15 Jakub Jelinek <jakub@redhat.com>
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PR tree-optimization/99079
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* gcc.dg/fold-modpow2-2.c: New test.
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* gcc.c-torture/execute/pr99079.c: New test.
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2021-02-13 Jakub Jelinek <jakub@redhat.com>
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PR rtl-optimization/98439
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@ -1,3 +1,16 @@
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2021-02-15 Jonathan Wakely <jwakely@redhat.com>
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* include/bits/atomic_wait.h (__thread_yield()): Check
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_GLIBCXX_HAS_GTHREADS before using __gthread_yield.
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(__thread_relax()): Use __thread_yield() instead of repeating
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the preprocessor checks for __gthread_yield.
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2021-02-15 Jonathan Wakely <jwakely@redhat.com>
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* include/std/mutex (once_flag::_M_activate()): Add explicit
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return statement for passive case.
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(once_flag::_M_finish(bool)): Use reserved name for parameter.
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2021-02-14 Jonathan Wakely <jwakely@redhat.com>
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PR libstdc++/99096
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