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tcwg-buildslave pushed a change to branch linaro-local/ci/tcwg_gnu/gnu-master-arm-bootstrap_O1 in repository toolchain/ci/gcc.
from 2b3e722a3ca Fix PR97497 adds 668894d7b58 libgo: update to Go 1.15.3 release adds 75ce04fba49 c: Allow duplicate C2x standard attributes adds 89bb01e7cbd Daily bump. adds c25d317cf7d Tweaks to ranger API routines. adds ec69fe4e984 [RS6000] dg-do !compile and scan-assembler adds 2241061463a [RS6000] power10 scan-assembler tests adds 279a9ce9d54 wide-int: Fix up set_bit_large adds f165ef89c08 lto: LTO cgraph support for late declare variant resolution [...] adds 3f39b64e57a xfail and improve some failing libgomp tests [PR81690] adds 2298ca2d3e1 openmp: Implicitly discover declare target for variants of [...] adds 3a8b20947f2 openmp: Parsing and some semantic analysis of OpenMP alloca [...] adds 31643fa3e99 [PR97504] riscv needs wraplf for aux_long_long_float too adds 44e570d9fb0 aarch64: Add bfloat16 vldN_lane_bf16 + vldNq_lane_bf16 intrisics adds 292c812a27c aarch64: Add vstN_lane_bf16 + vstNq_lane_bf16 intrinsics adds 0f7cd5e5735 libstdc++: Make std::span layout-compatible with struct iov [...] adds 72a87d82e0d libstdc++: Fix name clash with _Cosh in QNX headers [PR 95592] adds ac1724ccfdb dump reason for throwing away SLP instance adds 2acb33103c4 Change the way we split stores in BB vectorization adds 0bc199fc5d4 libstdc++: Override BUFSIZ for Windows targets [PR 94268] adds c227d96feb0 libstdc++: Add comment to nothrow new explaining catch (...) adds 616351b897c Fix iteration over loads in SLP optimize adds b626b00823a tree-optimization/97615 - avoid creating externals from patterns adds 69adcfce123 Fix gcc.dg/vect/bb-slp-5[89].c adds a4b9620d566 testsuite: Correct requirements for byte-in-* testcases. adds 6f62d8dd338 Ignore ignored operands in vect_get_and_check_slp_defs adds 176b8b9679d testsuite: Correct requirements for vadsdu*, vslv and vsrv [...] adds 7d5f38e49e5 c++: Refactor push_template_decl adds 9ccc3495766 c++: Check constraints before instantiation from mark_used [...] adds f4af2dde579 dump when SLP analysis fails due to shared vectype mismatch adds 8572edc828f libstdc++: Fix arithmetic bug in year_month_weekday convers [...] adds a3c13696fd2 VSX_EXTRACT fix adds 4289e488ddd c++: Make OMP UDR DECL_LOCAL_DECL_P earlier adds a0e4d7b44c5 libstdc++: Implement C++20 features for <sstream> adds a4223abb3de c: Allow omitted parameter names for C2x adds 54ef7701a9d value-range: Give up on POLY_INT_CST ranges [PR97457] adds 3dcd47389b1 AArch64: Skip test for pr97535 on ILP32 since it can't expr [...] adds dfbadb8ce9f syscall: don't build libcall_bsd.go on solaris adds 43cb72263fb c++: GCC accepts junk before fold-expression [PR86773] adds 323dd425520 c++: Member template function lookup failure [PR94799] adds 122f0db2793 testsuite: Adjust target requirements for sad-vectorize and [...] adds 976e7ef1a2d c++: Prevent warnings for value-dependent exprs [PR96742] adds 455ade18462 c++: Deprecate arithmetic convs on different enums [PR97573] adds 24fb1d9c585 c++: Improve the MVP -Wparentheses diagnostic. adds 23edcf6bee5 Re: testsuite: Enable and adjust powerpc fold-vec-extract/i [...] adds bbb36257448 [RS6000] float128-type-2.c unsupported adds 4166ebedf8b [RS6000] Don't be too clever with dg-do run and dg-do compile adds f4f9364d207 libstdc++: Fix linker script adds 0a36f5f21cd analyzer: fix more pointer-printing in logs adds e9751143e23 analyzer: move svalue and region decls to their own header files adds 1a9af271275 analyzer: fix false leak diagnostic on offsets from malloc [...] adds f635f0ce87d analyzer: more non-determinism fixes adds e93aae4a497 Daily bump. adds 0cdde1e7ae1 libgo: handle linking to NetBSD's versioned symbols adds c6bfc4eb3c9 libstdc++: Fix new basic_stringbuf constructor adds 0162d00d12b Call infer_non_null() directly when checking for non-null. adds 1e1e1edf88a More BB vectorization tweaks adds 632a2f50b8b Enable GCC to support Intel Key Locker ISA adds 68990ed13dc libstdc++: Rename _UniformRandomNumberGenerator parameters adds 53dede0f04b CSE conversions within sincos adds bafcf452c79 opts: Sanity check for param names. adds 291d920395d Fix conditional inclusion guard in gthr-vxworks-thread.c adds 9df44b94033 Fix the logic conditioning VX_ENTER/LEAVE_TLS_DTOR adds eb6b71b83c9 libstdc++: Fix some warnings in headers adds e4b3d2a4c25 Consistently pass the vector type for scalar SLP cost compute adds 64817472be2 libstdc++: Correct PR number in ChangeLog entry adds 568de14d2e7 LTO: get_section: add new argument adds 6e23549157d vect: Fix load costs for SLP permutes adds 2e0216f9c4d libstdc++: Fix memory issue in ranges::lexicographical_comp [...] adds 9703b8d98c1 c++: Stop (most) function-scope entities having a template header adds a3ffa866e35 Add testcase for PR97596 adds 8fe9869083d * gcc.dg/pr97596.c: Require int128 effective target. adds 054d7b9f6f6 Selectively trap if ranger and vr-values disagree on range [...] adds 3c9b99ef711 libstdc++: Make std::function work better with -fno-rtti adds d067bd72936 libstdc++: Do not use volatile for __gnu_cxx::rope referenc [...] adds 822c1d21a3c libstdc++: Allow Lemire's algorithm to be used in more cases adds 8c84486bba1 libstdc++: Improve tests for constexpr algorithms adds 40749db75ca stdbool.h: Update true and false expansions for C2x adds 815baade9a0 c++: Diagnose constexpr delete [] new int; and delete new i [...] adds 0da3e7668c4 Avoid typeless storage in wide-int adds 2ca6de338d4 Annotate vec::copy better for mem stats adds 5afd90c5f36 c++: Fix constexpr dtors vs invisible ref [PR97388] adds 8895443a42d c++: Fix constexpr cleanup error handling. adds 57ec9b687b0 Fix some memleaks adds 5681668765e c++: Tolerate empty initial args during normalization [PR97412] adds e1344fe7b6a c++: Simplify constraint normalization routines adds 79991e2348a c++: Reject float <=> enum. adds 6fb7e3c2918 c++: Deducing type from initializer_list<auto> [PR93107] adds 52215bb3ec6 Replace free with XDELETE. adds 11dc4c4e137 c++: Implement CWG 625: Use of auto as template-arg [PR97479] adds 13feb0234b1 libstdc++: Avoid warnings in tests adds 52ddf0d458f libstdc++: Prevent deprecation warnings from <tr1/shared_ptr> adds d7aa21a3c78 libstdc++: Fix some warnings in headers adds a55cda891d6 libstdc++: Avoid narrowing conversion in subrange constructor adds ffe6b410150 libstdc++: Fix linker script to remove conflicting patterns adds 4f0606fe4bb Daily bump. adds dec1eb4c276 libstdc++: AIX xfail for_overwrite.cc testcase adds 228156e8496 PowerPC: Adjust float128/ibm128 warnings. adds 973574465ca Adjust gcc.dg/vect/bb-slp-pr65935.c adds 5a6b1d8ef42 openmp: Handle non-static data members in allocate clause a [...] adds 71e713209ad openmp: Fix handling of allocate clause on taskloop adds 9a835ba4c00 Introduce support for vxworks7r2 on x86 and x86_64 adds 17e8da49bfe Predefine __ppc and __ppc__ for VxWorks 7 adds 7de23b8c536 aarch64: Fix PR96998 and restore code quality in combine adds c0bfd9672e1 tree-optimization/97633 - fix SLP scheduling of single-node cycles adds c517003e719 AArch64: Add FLAG for float conversion intrinsics [PR94442] adds 63d0da88525 gcc-changelog: Handle situations like '* tree-vect-slp.c (): ' adds fa410314ec9 [OpenACC] Elaborate testcases that verify column location i [...] adds 5cafae2c5ba openmp: Use FIELD_TGT_EMPTY once more adds 33c0f246f79 tree-optimization/97626 - handle SCCs properly in SLP stmt [...] adds 82ff7e3426e tree-optimization/97623 - avoid excessive insert iteration [...] adds 40cb3f8ac87 Disable TBAA for array descriptors. adds aa701610e51 Fix thunk info WRT PCH adds 1fc5e7ef98e Fortran: Update omp atomic for OpenMP 5 adds 24d762d1435 testsuite: Avoid TCL errors when rootme or ASAN/TSAN/UBSAN [...] adds f3ced6772e2 libstdc++: Fix the default constructor of ranges::__detail::__box adds bdf6524bc0b PR middle-end/97556 - ICE on excessively large index into a [...] adds 44fbc9c6e02 Take insn scratch RA requirements into account in IRA. adds d10f3e900b0 Add -fzero-call-used-regs option and zero_call_used_regs fu [...] adds 667db6dedd8 PR libfortran/97581 - clean up size calculation of random g [...] adds d1e5d82af81 libstdc++: Fix some more warnings in test adds a1343e5c740 libstdc++: Use double for unordered container load factors [...] adds f03851e1a6d PowerPC: Don't assume all targets have GLIBC. adds 39bf4f14fc7 libstdc++: Implement P2017R1 "Conditionally borrowed ranges" adds afb8da7faa9 libstdc++: Don't initialize from *this inside some views [PR97600] adds 943cc2a1b70 libstdc++: Use double for unordered container load factors [...] adds 617695cdc2b Handle fnspec in local ipa-modref adds ae7a23a3fab Move clone_info to summary adds 60d9f254876 libstdc++: Prefer double to long double in std::shuffle_ord [...] adds de77abee118 libstdc++: Fix gnu-version-namespace buid adds 29e41848584 libstdc++: Define type traits for wchar_t even when libc su [...] adds 318be202bb7 testsuite, X86 : Add target requires masm_intel to three tests. adds 895fdc1f4c9 ipa: Fix segmentation fault in function_summary<clone_info* [...] adds 3784f161a38 i386: Set the stack usage to 0 for naked functions
No new revisions were added by this update.
Summary of changes: contrib/gcc-changelog/git_commit.py | 7 + contrib/gcc-changelog/test_email.py | 5 + contrib/gcc-changelog/test_patches.txt | 41 + gcc/ChangeLog | 520 +++++ gcc/DATESTAMP | 2 +- gcc/Makefile.in | 3 + gcc/ada/ChangeLog | 72 + gcc/ada/Makefile.rtl | 1 + gcc/analyzer/ChangeLog | 140 ++ gcc/analyzer/analyzer.h | 3 + gcc/analyzer/complexity.cc | 95 + gcc/analyzer/complexity.h | 51 + gcc/analyzer/program-state.cc | 33 +- gcc/analyzer/region-model-reachability.cc | 44 +- gcc/analyzer/region-model.h | 2135 +------------------- gcc/analyzer/region.cc | 20 +- gcc/analyzer/region.h | 1017 ++++++++++ gcc/analyzer/svalue.cc | 31 +- gcc/analyzer/svalue.h | 1150 +++++++++++ gcc/builtins.c | 8 +- gcc/c-family/ChangeLog | 16 + gcc/c-family/c-attribs.c | 51 + gcc/c-family/c-omp.c | 169 ++ gcc/c-family/c-opts.c | 10 + gcc/c-family/c-pragma.h | 1 + gcc/c-family/c.opt | 11 +- gcc/c/ChangeLog | 30 + gcc/c/c-decl.c | 4 +- gcc/c/c-parser.c | 128 +- gcc/c/c-typeck.c | 72 +- gcc/cgraph.c | 109 +- gcc/cgraph.h | 35 +- gcc/cgraphclones.c | 46 +- gcc/cgraphunit.c | 2 + gcc/combine.c | 18 + gcc/common.opt | 8 + gcc/common/config/i386/cpuinfo.h | 19 + gcc/common/config/i386/i386-common.c | 86 +- gcc/common/config/i386/i386-cpuinfo.h | 3 + gcc/common/config/i386/i386-isas.h | 3 + gcc/config.gcc | 6 +- gcc/config/aarch64/aarch64-simd-builtins.def | 74 +- gcc/config/aarch64/aarch64.c | 107 +- gcc/config/aarch64/arm_neon.h | 228 ++- gcc/config/i386/cpuid.h | 7 + gcc/config/i386/i386-builtin-types.def | 7 + gcc/config/i386/i386-builtin.def | 13 + gcc/config/i386/i386-c.c | 4 + gcc/config/i386/i386-expand.c | 220 ++ gcc/config/i386/i386-options.c | 12 +- gcc/config/i386/i386.c | 300 ++- gcc/config/i386/i386.h | 10 +- gcc/config/i386/i386.opt | 8 + gcc/config/i386/immintrin.h | 2 + gcc/config/i386/keylockerintrin.h | 129 ++ gcc/config/i386/predicates.md | 118 ++ gcc/config/i386/sse.md | 218 ++ gcc/config/i386/t-vxworks | 19 +- gcc/config/i386/vxworks.h | 96 +- gcc/config/rs6000/rs6000.c | 42 +- gcc/config/rs6000/vsx.md | 2 +- gcc/config/rs6000/vxworks.h | 6 + gcc/cp/ChangeLog | 199 ++ gcc/cp/call.c | 35 +- gcc/cp/constexpr.c | 87 +- gcc/cp/constraint.cc | 72 +- gcc/cp/cp-tree.h | 8 +- gcc/cp/decl.c | 15 +- gcc/cp/decl2.c | 20 +- gcc/cp/parser.c | 108 +- gcc/cp/pt.c | 202 +- gcc/cp/semantics.c | 100 + gcc/cp/typeck.c | 125 +- gcc/d/ChangeLog | 10 + gcc/df-scan.c | 12 +- gcc/df.h | 1 + gcc/doc/extend.texi | 96 + gcc/doc/invoke.texi | 70 +- gcc/doc/tm.texi | 12 + gcc/doc/tm.texi.in | 2 + gcc/emit-rtl.h | 3 + gcc/flag-types.h | 22 + gcc/fortran/ChangeLog | 22 + gcc/fortran/dump-parse-tree.c | 34 + gcc/fortran/gfortran.h | 30 +- gcc/fortran/openmp.c | 251 ++- gcc/fortran/parse.c | 9 +- gcc/fortran/resolve.c | 7 +- gcc/fortran/st.c | 4 +- gcc/fortran/trans-openmp.c | 41 +- gcc/fortran/trans-types.c | 5 + gcc/function.c | 190 +- gcc/gengtype.c | 1 + gcc/gimple-range-cache.cc | 12 +- gcc/gimple-range-gori.cc | 18 +- gcc/gimple-range.cc | 76 +- gcc/gimplify.c | 70 +- gcc/ginclude/stdbool.h | 5 + gcc/go/gofrontend/MERGE | 2 +- gcc/ipa-cp.c | 43 +- gcc/ipa-fnsummary.c | 12 +- gcc/ipa-modref.c | 250 ++- gcc/ipa-modref.h | 1 + gcc/ipa-param-manipulation.c | 12 +- gcc/ipa-prop.c | 21 +- gcc/ipa-sra.c | 14 +- gcc/ira.c | 217 +- gcc/ira.h | 7 + gcc/langhooks.c | 2 +- gcc/lra-constraints.c | 8 +- gcc/lra-int.h | 3 - gcc/lra-remat.c | 4 +- gcc/lra-spills.c | 10 +- gcc/lra.c | 165 +- gcc/lto-cgraph.c | 44 +- gcc/lto-streamer-out.c | 5 +- gcc/lto-streamer.h | 6 + gcc/lto/ChangeLog | 8 + gcc/lto/lto-common.c | 1 - gcc/lto/lto-partition.c | 5 +- gcc/omp-general.c | 121 ++ gcc/omp-low.c | 2 + gcc/omp-offload.c | 23 +- gcc/optabs.c | 42 + gcc/optabs.h | 2 + gcc/optc-gen.awk | 3 + gcc/opts.c | 44 + gcc/opts.h | 6 + gcc/output.h | 3 +- gcc/params.opt | 2 +- gcc/passes.c | 3 +- gcc/passes.def | 1 + gcc/recog.c | 18 +- gcc/recog.h | 1 + gcc/resource.c | 2 +- gcc/symtab-clones.cc | 76 + gcc/symtab-clones.h | 90 + gcc/symtab-thunks.cc | 35 + gcc/symtab-thunks.h | 7 + gcc/symtab.c | 2 +- gcc/target.def | 15 + gcc/targhooks.c | 32 + gcc/targhooks.h | 1 + gcc/testsuite/ChangeLog | 446 ++++ .../c-c++-common/goacc/clause-locations.c | 19 - gcc/testsuite/c-c++-common/goacc/pr92793-1.c | 56 + gcc/testsuite/c-c++-common/gomp/allocate-1.c | 84 + gcc/testsuite/c-c++-common/gomp/allocate-2.c | 45 + gcc/testsuite/c-c++-common/gomp/allocate-3.c | 38 + gcc/testsuite/c-c++-common/gomp/clauses-1.c | 138 +- gcc/testsuite/c-c++-common/zero-scratch-regs-1.c | 15 + gcc/testsuite/c-c++-common/zero-scratch-regs-10.c | 92 + gcc/testsuite/c-c++-common/zero-scratch-regs-11.c | 4 + gcc/testsuite/c-c++-common/zero-scratch-regs-2.c | 4 + gcc/testsuite/c-c++-common/zero-scratch-regs-3.c | 4 + gcc/testsuite/c-c++-common/zero-scratch-regs-4.c | 4 + gcc/testsuite/c-c++-common/zero-scratch-regs-5.c | 4 + gcc/testsuite/c-c++-common/zero-scratch-regs-6.c | 4 + gcc/testsuite/c-c++-common/zero-scratch-regs-7.c | 4 + gcc/testsuite/c-c++-common/zero-scratch-regs-8.c | 4 + gcc/testsuite/c-c++-common/zero-scratch-regs-9.c | 4 + .../c-c++-common/zero-scratch-regs-attr-usages.c | 16 + gcc/testsuite/g++.dg/DRs/dr625.C | 15 + gcc/testsuite/g++.dg/cpp0x/auto3.C | 2 +- gcc/testsuite/g++.dg/cpp0x/auto9.C | 2 +- gcc/testsuite/g++.dg/cpp0x/initlist-deduce3.C | 22 + gcc/testsuite/g++.dg/cpp0x/linkage2.C | 2 +- gcc/testsuite/g++.dg/cpp1z/fold12.C | 13 + gcc/testsuite/g++.dg/cpp2a/concepts-fn7.C | 11 + gcc/testsuite/g++.dg/cpp2a/concepts-pr84979-2.C | 12 +- gcc/testsuite/g++.dg/cpp2a/concepts-pr84979-3.C | 12 +- gcc/testsuite/g++.dg/cpp2a/concepts-pr84979.C | 2 +- gcc/testsuite/g++.dg/cpp2a/concepts-variadic2.C | 12 + gcc/testsuite/g++.dg/cpp2a/constexpr-dtor5.C | 35 + gcc/testsuite/g++.dg/cpp2a/constexpr-dtor6.C | 36 + gcc/testsuite/g++.dg/cpp2a/constexpr-dtor7.C | 19 + gcc/testsuite/g++.dg/cpp2a/constexpr-dtor8.C | 19 + gcc/testsuite/g++.dg/cpp2a/constexpr-new15.C | 21 + gcc/testsuite/g++.dg/cpp2a/enum-conv1.C | 117 ++ gcc/testsuite/g++.dg/cpp2a/enum-conv2.C | 115 ++ gcc/testsuite/g++.dg/cpp2a/enum-conv3.C | 115 ++ gcc/testsuite/g++.dg/cpp2a/spaceship-err5.C | 23 + gcc/testsuite/g++.dg/gomp/allocate-1.C | 88 + gcc/testsuite/g++.dg/guality/guality.exp | 2 +- gcc/testsuite/g++.dg/other/i386-2.C | 2 +- gcc/testsuite/g++.dg/other/i386-3.C | 2 +- gcc/testsuite/g++.dg/parse/attr3.C | 2 +- gcc/testsuite/g++.dg/pr97609.C | 46 + gcc/testsuite/g++.dg/template/lookup16.C | 23 + gcc/testsuite/g++.dg/vect/slp-pr97636.cc | 83 + gcc/testsuite/g++.dg/warn/Wdiv-by-zero-3.C | 6 +- gcc/testsuite/g++.dg/warn/Wtautological-compare3.C | 11 + gcc/testsuite/g++.dg/warn/Wtype-limits5.C | 11 + gcc/testsuite/g++.dg/warn/mvp3.C | 30 + gcc/testsuite/g++.old-deja/g++.pt/crash10.C | 1 - gcc/testsuite/gcc.c-torture/compile/pr96998.c | 15 + gcc/testsuite/gcc.dg/Warray-bounds-70.c | 18 + gcc/testsuite/gcc.dg/analyzer/malloc-1.c | 8 + gcc/testsuite/gcc.dg/analyzer/pr97608.c | 17 + gcc/testsuite/gcc.dg/c11-bool-1.c | 50 + gcc/testsuite/gcc.dg/c11-parm-omit-1.c | 5 + gcc/testsuite/gcc.dg/c11-parm-omit-2.c | 5 + gcc/testsuite/gcc.dg/c11-parm-omit-3.c | 5 + gcc/testsuite/gcc.dg/c11-parm-omit-4.c | 6 + gcc/testsuite/gcc.dg/c2x-attr-deprecated-4.c | 12 +- gcc/testsuite/gcc.dg/c2x-attr-fallthrough-4.c | 7 +- gcc/testsuite/gcc.dg/c2x-attr-maybe_unused-4.c | 12 +- gcc/testsuite/gcc.dg/c2x-bool-1.c | 50 + gcc/testsuite/gcc.dg/c2x-parm-omit-1.c | 5 + gcc/testsuite/gcc.dg/c2x-parm-omit-2.c | 10 + gcc/testsuite/gcc.dg/c2x-parm-omit-3.c | 23 + gcc/testsuite/gcc.dg/c2x-parm-omit-4.c | 5 + gcc/testsuite/gcc.dg/c99-bool-4.c | 46 + gcc/testsuite/gcc.dg/guality/guality.exp | 2 +- gcc/testsuite/gcc.dg/noncompile/pr79758.c | 2 +- gcc/testsuite/gcc.dg/pr97596.c | 12 + gcc/testsuite/gcc.dg/sin_cos.c | 41 + gcc/testsuite/gcc.dg/tree-ssa/ssa-hoist-7.c | 54 + gcc/testsuite/gcc.dg/vect/bb-slp-58.c | 1 + gcc/testsuite/gcc.dg/vect/bb-slp-59.c | 1 + gcc/testsuite/gcc.dg/vect/bb-slp-68.c | 22 + gcc/testsuite/gcc.dg/vect/bb-slp-pr65935.c | 5 +- gcc/testsuite/gcc.dg/vect/bb-slp-pr97615.c | 23 + gcc/testsuite/gcc.dg/vect/bb-slp-pr97626.c | 34 + gcc/testsuite/gcc.dg/vect/bb-slp-pr97633.c | 27 + gcc/testsuite/gcc.dg/vect/pr97457.c | 15 + .../aarch64/advsimd-intrinsics/arm-neon-ref.h | 4 +- .../aarch64/advsimd-intrinsics/bf16_vldN_lane_1.c | 74 + .../aarch64/advsimd-intrinsics/bf16_vldN_lane_2.c | 52 + .../aarch64/advsimd-intrinsics/bf16_vstN_lane_1.c | 227 +++ .../aarch64/advsimd-intrinsics/bf16_vstN_lane_2.c | 52 + .../advsimd-intrinsics/vld2_lane_bf16_indices_1.c | 17 + .../advsimd-intrinsics/vld2q_lane_bf16_indices_1.c | 17 + .../advsimd-intrinsics/vld3_lane_bf16_indices_1.c | 17 + .../advsimd-intrinsics/vld3q_lane_bf16_indices_1.c | 17 + .../advsimd-intrinsics/vld4_lane_bf16_indices_1.c | 17 + .../advsimd-intrinsics/vld4q_lane_bf16_indices_1.c | 17 + .../advsimd-intrinsics/vst2_lane_bf16_indices_1.c | 16 + .../advsimd-intrinsics/vst2q_lane_bf16_indices_1.c | 16 + 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