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from b006d66f56a 2019-07-24 Prathamesh Kulkarni prathamesh.kulkarni@linaro.org new 1720014dfea S/390: Add add/sub/mul overflow check patterns

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Summary of changes: gcc/ChangeLog | 12 ++ gcc/config/s390/predicates.md | 6 + gcc/config/s390/s390-modes.def | 14 ++ gcc/config/s390/s390.c | 10 ++ gcc/config/s390/s390.md | 144 +++++++++++++++++++++ gcc/testsuite/ChangeLog | 7 + .../gcc.target/s390/addsub-signed-overflow-1.c | 81 ++++++++++++ .../gcc.target/s390/addsub-signed-overflow-2.c | 80 ++++++++++++ .../gcc.target/s390/mul-signed-overflow-1.c | 56 ++++++++ .../gcc.target/s390/mul-signed-overflow-2.c | 56 ++++++++ 10 files changed, 466 insertions(+) create mode 100644 gcc/testsuite/gcc.target/s390/addsub-signed-overflow-1.c create mode 100644 gcc/testsuite/gcc.target/s390/addsub-signed-overflow-2.c create mode 100644 gcc/testsuite/gcc.target/s390/mul-signed-overflow-1.c create mode 100644 gcc/testsuite/gcc.target/s390/mul-signed-overflow-2.c