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GCC Administrator 2020-07-10 00:16:28 +00:00
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164
gcc/ChangeLog
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2020-07-09 Peter Bergner <bergner@linux.ibm.com>
PR target/96125
* config/rs6000/rs6000-call.c (rs6000_init_builtins): Define the MMA
specific types __vector_quad and __vector_pair, and initialize the
MMA built-ins if TARGET_EXTRA_BUILTINS is set.
(mma_init_builtins): Don't test for mask set in rs6000_builtin_mask.
Remove now unneeded mask variable.
* config/rs6000/rs6000.c (rs6000_option_override_internal): Add the
OPTION_MASK_MMA flag for power10 if not already set.
2020-07-09 Richard Biener <rguenther@suse.de>
PR tree-optimization/96133
* tree-vect-slp.c (vect_build_slp_tree_1): Compare load_p
status between stmts.
2020-07-09 H.J. Lu <hjl.tools@gmail.com>
PR target/88713
* config/i386/i386-expand.c (ix86_emit_swsqrtsf): Enable FMA.
* config/i386/sse.md (VF_AVX512VL_VF1_128_256): New.
(rsqrt<mode>2): Replace VF1_128_256 with VF_AVX512VL_VF1_128_256.
(rsqrtv16sf2): Removed.
2020-07-09 Richard Biener <rguenther@suse.de>
* tree-vectorizer.h (vect_verify_datarefs_alignment): Remove.
(vect_slp_analyze_and_verify_instance_alignment): Rename to ...
(vect_slp_analyze_instance_alignment): ... this.
* tree-vect-data-refs.c (verify_data_ref_alignment): Remove.
(vect_verify_datarefs_alignment): Likewise.
(vect_enhance_data_refs_alignment): Do not call
vect_verify_datarefs_alignment.
(vect_slp_analyze_node_alignment): Rename from
vect_slp_analyze_and_verify_node_alignment and do not
call verify_data_ref_alignment.
(vect_slp_analyze_instance_alignment): Rename from
vect_slp_analyze_and_verify_instance_alignment.
* tree-vect-stmts.c (vectorizable_store): Dump when
we vectorize an unaligned access.
(vectorizable_load): Likewise.
* tree-vect-loop.c (vect_analyze_loop_2): Do not call
vect_verify_datarefs_alignment.
* tree-vect-slp.c (vect_slp_analyze_bb_1): Adjust.
2020-07-09 Bin Cheng <bin.cheng@linux.alibaba.com>
PR tree-optimization/95804
* tree-loop-distribution.c (break_alias_scc_partitions): Force
negative post order to reduction partition.
2020-07-09 Jakub Jelinek <jakub@redhat.com>
* omp-general.h (struct omp_for_data): Add min_inner_iterations
and factor members.
* omp-general.c (omp_extract_for_data): Initialize them and remember
them in OMP_CLAUSE_COLLAPSE_COUNT if needed and restore from there.
* omp-expand.c (expand_omp_for_init_counts): Fix up computation of
counts[fd->last_nonrect] if fd->loop.n2 is INTEGER_CST.
(expand_omp_for_init_vars): For
fd->first_nonrect + 1 == fd->last_nonrect loops with for now
INTEGER_CST fd->loop.n2 find quadratic equation roots instead of
using fallback method when possible.
2020-07-09 Omar Tahir <omar.tahir@arm.com>
* ira.c (move_unallocated_pseudos): Zero first_moveable_pseudo and
last_moveable_pseudo before returning.
2020-07-09 Szabolcs Nagy <szabolcs.nagy@arm.com>
* config/aarch64/aarch64-c.c (aarch64_update_cpp_builtins): Add
__ARM_FEATURE_BTI_DEFAULT support.
2020-07-09 Matthew Malcomson <matthew.malcomson@arm.com>
* config/aarch64/aarch64-protos.h (aarch64_indirect_call_asm):
New declaration.
* config/aarch64/aarch64.c (aarch64_regno_regclass): Handle new
stub registers class.
(aarch64_class_max_nregs): Likewise.
(aarch64_register_move_cost): Likewise.
(aarch64_sls_shared_thunks): Global array to store stub labels.
(aarch64_sls_emit_function_stub): New.
(aarch64_create_blr_label): New.
(aarch64_sls_emit_blr_function_thunks): New.
(aarch64_sls_emit_shared_blr_thunks): New.
(aarch64_asm_file_end): New.
(aarch64_indirect_call_asm): New.
(TARGET_ASM_FILE_END): Use aarch64_asm_file_end.
(TARGET_ASM_FUNCTION_EPILOGUE): Use
aarch64_sls_emit_blr_function_thunks.
* config/aarch64/aarch64.h (STB_REGNUM_P): New.
(enum reg_class): Add STUB_REGS class.
(machine_function): Introduce `call_via` array for
function-local stub labels.
* config/aarch64/aarch64.md (*call_insn, *call_value_insn): Use
aarch64_indirect_call_asm to emit code when hardening BLR
instructions.
* config/aarch64/constraints.md (Ucr): New constraint
representing registers for indirect calls. Is GENERAL_REGS
usually, and STUB_REGS when hardening BLR instruction against
SLS.
* config/aarch64/predicates.md (aarch64_general_reg): STUB_REGS class
is also a general register.
2020-07-09 Matthew Malcomson <matthew.malcomson@arm.com>
* config/aarch64/aarch64-protos.h (aarch64_sls_barrier): New.
* config/aarch64/aarch64.c (aarch64_output_casesi): Emit
speculation barrier after BR instruction if needs be.
(aarch64_trampoline_init): Handle ptr_mode value & adjust size
of code copied.
(aarch64_sls_barrier): New.
(aarch64_asm_trampoline_template): Add needed barriers.
* config/aarch64/aarch64.h (AARCH64_ISA_SB): New.
(TARGET_SB): New.
(TRAMPOLINE_SIZE): Account for barrier.
* config/aarch64/aarch64.md (indirect_jump, *casesi_dispatch,
simple_return, *do_return, *sibcall_insn, *sibcall_value_insn):
Emit barrier if needs be, also account for possible barrier using
"sls_length" attribute.
(sls_length): New attribute.
(length): Determine default using any non-default sls_length
value.
2020-07-09 Matthew Malcomson <matthew.malcomson@arm.com>
* config/aarch64/aarch64-protos.h (aarch64_harden_sls_retbr_p):
New.
(aarch64_harden_sls_blr_p): New.
* config/aarch64/aarch64.c (enum aarch64_sls_hardening_type):
New.
(aarch64_harden_sls_retbr_p): New.
(aarch64_harden_sls_blr_p): New.
(aarch64_validate_sls_mitigation): New.
(aarch64_override_options): Parse options for SLS mitigation.
* config/aarch64/aarch64.opt (-mharden-sls): New option.
* doc/invoke.texi: Document new option.
2020-07-09 Kewen Lin <linkw@linux.ibm.com>
* tree-vect-stmts.c (vectorizable_condition): Prohibit vectorization
with partial vectors explicitly excepting for EXTRACT_LAST_REDUCTION
or nested-cycle reduction.
2020-07-09 Kewen Lin <linkw@linux.ibm.com>
* tree-vect-loop.c (vect_analyze_loop_2): Update dumping string
for fully masking to be more common.
2020-07-09 Kito Cheng <kito.cheng@sifive.com>
* config/riscv/riscv.md (get_thread_pointer<mode>): New.
(TP_REGNUM): Ditto.
* doc/extend.texi (Target Builtins): Add RISC-V built-in section.
Document __builtin_thread_pointer.
2020-07-09 Kito Cheng <kito.cheng@sifive.com>
* config/riscv/riscv-sr.c (riscv_remove_unneeded_save_restore_calls):
Abort if any arguments on stack.
2020-07-08 Eric Botcazou <ebotcazou@gcc.gnu.org>
* gimple-fold.c (gimple_fold_builtin_memory_op): Do not fold if

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20200709
20200710

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gcc/c/ChangeLog
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2020-07-09 Julian Brown <julian@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
PR middle-end/95270
* c-typeck.c (c_finish_omp_clauses): Set OMP_CLAUSE_SIZE (bias) to zero
for standalone attach/detach clauses.
2020-07-08 Eric Botcazou <ebotcazou@gcc.gnu.org>
* c-typeck.c (convert_for_assignment): If -Wscalar-storage-order is

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2020-07-09 Julian Brown <julian@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
PR middle-end/95270
* semantics.c (finish_omp_clauses): Likewise.
2020-07-09 Patrick Palka <ppalka@redhat.com>
PR c++/96132
* constexpr.c (potential_constant_expression_1) <case PARM_DECL>:
Restore dependent_type_p check that guarded the call to
is_really_empty_class.
2020-07-08 Patrick Palka <ppalka@redhat.com>
PR c++/95497

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2020-07-09 Julian Brown <julian@codesourcery.com>
* trans-openmp.c (gfc_trans_omp_clauses): Use 'inner' not 'decl' for
derived type members which themselves have derived types.
2020-07-08 Harald Anlauf <anlauf@gmx.de>
PR fortran/96085

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2020-07-09 Julian Brown <julian@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
PR middle-end/95270
* c-c++-common/goacc/mdc-1.c: Update expected dump output for zero
bias.
2020-07-09 Julian Brown <julian@codesourcery.com>
* gfortran.dg/goacc/mapping-tests-3.f90: New test.
* gfortran.dg/goacc/mapping-tests-4.f90: New test.
2020-07-09 Peter Bergner <bergner@linux.ibm.com>
PR target/96125
* gcc.target/powerpc/pr96125.c: New test.
2020-07-09 Patrick Palka <ppalka@redhat.com>
PR c++/96132
* g++.dg/template/incomplete12.C: New test.
2020-07-09 H.J. Lu <hjl.tools@gmail.com>
PR target/88713
* gcc.target/i386/pr88713-1.c: New test.
* gcc.target/i386/pr88713-2.c: Likewise.
2020-07-09 Richard Biener <rguenther@suse.de>
* gcc.dg/vect/bb-slp-10.c: Adjust.
* gcc.dg/vect/slp-45.c: Likewise.
* gcc.dg/vect/vect-109.c: Likewise.
2020-07-09 Bin Cheng <bin.cheng@linux.alibaba.com>
PR tree-optimization/95804
* gcc.dg/tree-ssa/pr95804.c: New test.
2020-07-09 Omar Tahir <omar.tahir@arm.com>
* gcc.target/aarch64/nospill.c: New test.
2020-07-09 Matthew Malcomson <matthew.malcomson@arm.com>
* gcc.target/aarch64/sls-mitigation/sls-miti-blr-bti.c: New test.
* gcc.target/aarch64/sls-mitigation/sls-miti-blr.c: New test.
2020-07-09 Matthew Malcomson <matthew.malcomson@arm.com>
* gcc.target/aarch64/sls-mitigation/sls-miti-retbr.c: New test.
* gcc.target/aarch64/sls-mitigation/sls-miti-retbr-pacret.c:
New test.
* gcc.target/aarch64/sls-mitigation/sls-mitigation.exp: New file.
* lib/target-supports.exp (check_effective_target_aarch64_asm_sb_ok):
New proc.
2020-07-09 Kewen Lin <linkw@linux.ibm.com>
* gcc.target/aarch64/sve/clastb_1.c: Update dumping string.
* gcc.target/aarch64/sve/clastb_2.c: Likewise.
* gcc.target/aarch64/sve/clastb_3.c: Likewise.
* gcc.target/aarch64/sve/clastb_4.c: Likewise.
* gcc.target/aarch64/sve/clastb_5.c: Likewise.
* gcc.target/aarch64/sve/clastb_6.c: Likewise.
* gcc.target/aarch64/sve/clastb_7.c: Likewise.
2020-07-09 Kito Cheng <kito.cheng@sifive.com>
* gcc.target/riscv/read-thread-pointer.c: New.
2020-07-09 Kito Cheng <kito.cheng@sifive.com>
* gcc.target/riscv/save-restore-9.c: New.
2020-07-08 Eric Botcazou <ebotcazou@gcc.gnu.org>
* gcc.dg/sso-11.c: New test.

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2020-07-09 Julian Brown <julian@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
PR middle-end/95270
* gomp-constants.h (gomp_map_kind): Expand comment for attach/detach
mapping kinds.
2020-07-09 Julian Brown <julian@codesourcery.com>
* gomp-constants.h (gomp_map_kind): Update comment for GOMP_MAP_TO_PSET.
2020-06-26 Nick Clifton <nickc@redhat.com>
* libiberty.h (bsearch_r): Remove use of the register keyword from

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2020-07-09 Szabolcs Nagy <szabolcs.nagy@arm.com>
PR target/96001
* config/aarch64/lse.S: Add BTI marking and related definitions,
and add BTI c to function entries.
2020-07-09 Szabolcs Nagy <szabolcs.nagy@arm.com>
* config/aarch64/lse.S: Add stack note.
2020-07-02 Martin Liska <mliska@suse.cz>
PR gcov-profile/95348

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2020-07-09 Julian Brown <julian@codesourcery.com>
Thomas Schwinge <thomas@codesourcery.com>
PR middle-end/95270
* testsuite/libgomp.oacc-c-c++-common/pr95270-1.c: New test.
* testsuite/libgomp.oacc-c-c++-common/pr95270-2.c: New test.
2020-07-09 Julian Brown <julian@codesourcery.com>
* oacc-mem.c (find_group_last): Group data-movement clauses
(GOMP_MAP_TO_PSET, GOMP_MAP_TO, etc.) together with a subsequent
GOMP_MAP_ATTACH. Allow standalone GOMP_MAP_ATTACH also.
2020-07-09 Jakub Jelinek <jakub@redhat.com>
* testsuite/libgomp.c/loop-19.c: New test.
* testsuite/libgomp.c/loop-20.c: New test.
2020-07-09 Jakub Jelinek <jakub@redhat.com>
* omp.h.in (omp_alloctrait_value_t): Change omp_atv_default from
2 to -1. Add omp_atv_serialized and define omp_atv_sequential using
it. Remove __omp_alloctrait_value_max__.
* allocator.c (omp_init_allocator): Handle omp_atv_default for
omp_atk_alignment and omp_atk_pool_size.
2020-07-03 Thomas Schwinge <thomas@codesourcery.com>
* oacc-mem.c (goacc_exit_data_internal): Revert always-copyfrom

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2020-07-09 Szabolcs Nagy <szabolcs.nagy@arm.com>
* config/aarch64/sjlj.S: Add BTI marking and related definitions,
and add BTI c to function entries.
2020-07-09 Szabolcs Nagy <szabolcs.nagy@arm.com>
* config/aarch64/sjlj.S: Add stack note if __FreeBSD__ is defined.
2020-05-29 H.J. Lu <hjl.tools@gmail.com>
PR bootstrap/95413