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from 1720014dfea S/390: Add add/sub/mul overflow check patterns new 3ff00e683d5 [ARC] Fix and refurbish the interrupts.

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Summary of changes: gcc/ChangeLog | 75 +++ gcc/config/arc/arc-protos.h | 7 +- gcc/config/arc/arc.c | 741 ++++++++++++++++--------- gcc/config/arc/arc.md | 139 ++--- gcc/config/arc/builtins.def | 2 +- gcc/config/arc/predicates.md | 2 + gcc/testsuite/ChangeLog | 10 + gcc/testsuite/gcc.target/arc/arc.exp | 18 + gcc/testsuite/gcc.target/arc/builtin_special.c | 2 + gcc/testsuite/gcc.target/arc/interrupt-1.c | 4 +- gcc/testsuite/gcc.target/arc/interrupt-10.c | 36 ++ gcc/testsuite/gcc.target/arc/interrupt-11.c | 16 + gcc/testsuite/gcc.target/arc/interrupt-12.c | 16 + 13 files changed, 713 insertions(+), 355 deletions(-) create mode 100644 gcc/testsuite/gcc.target/arc/interrupt-10.c create mode 100644 gcc/testsuite/gcc.target/arc/interrupt-11.c create mode 100644 gcc/testsuite/gcc.target/arc/interrupt-12.c