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from 6af1e7409ce diagnostics: Mark path_label::get_effects as final override new 467fa6d257e ARC: Use intrinsics for __builtin_add_overflow*() new b9361e5bcbd ARC: Use intrinsics for __builtin_sub_overflow*() new 913d8cbcd56 arc: testsuite: Scan rlc instead of mov.hs new 49943c2c0ad arc: Add commutative multiplication patterns new 5fd8f336f17 arc: Use intrinsics for __builtin_mul_overflow ()

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Summary of changes: gcc/config/arc/arc-modes.def | 1 + gcc/config/arc/arc-protos.h | 1 + gcc/config/arc/arc.cc | 29 ++++++ gcc/config/arc/arc.md | 163 +++++++++++++++++++++++++++++- gcc/config/arc/predicates.md | 9 +- gcc/testsuite/gcc.target/arc/mult-cmp0.c | 66 ++++++++++++ gcc/testsuite/gcc.target/arc/overflow-1.c | 98 ++++++++++++++++++ gcc/testsuite/gcc.target/arc/overflow-2.c | 97 ++++++++++++++++++ 8 files changed, 460 insertions(+), 4 deletions(-) create mode 100644 gcc/testsuite/gcc.target/arc/mult-cmp0.c create mode 100644 gcc/testsuite/gcc.target/arc/overflow-1.c create mode 100644 gcc/testsuite/gcc.target/arc/overflow-2.c