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from add93190d3a Ada: Reapply tweaks to delay statements in ACATS 3&4 testsuites new 35f5a188721 Internal-fn: Introduce new IFN_SAT_MUL for unsigned int new dc30f404170 Widening-Mul: Support unsigned scalar SAT_MUL form 1 new 62b99e84b88 RISC-V: Implement unsigned scalar SAT_MUL from uint128_t new 65c40c0211f RISC-V: Add test cases for unsigned scalar SAT_MUL from uint128_t

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Summary of changes: gcc/config/riscv/riscv-protos.h | 1 + gcc/config/riscv/riscv.cc | 82 ++++++++++++++++++++++ gcc/config/riscv/riscv.md | 11 +++ gcc/internal-fn.cc | 1 + gcc/internal-fn.def | 1 + gcc/match.pd | 31 ++++++++ gcc/optabs.def | 4 +- gcc/testsuite/gcc.target/riscv/sat/sat_arith.h | 23 ++++++ .../gcc.target/riscv/sat/sat_arith_data.h | 62 ++++++++++++++++ .../riscv/sat/sat_u_mul-1-u16-from-u128.c | 11 +++ .../riscv/sat/sat_u_mul-1-u32-from-u128.c | 11 +++ .../riscv/sat/sat_u_mul-1-u64-from-u128.c | 11 +++ .../riscv/sat/sat_u_mul-1-u8-from-u128.c | 11 +++ .../riscv/sat/sat_u_mul-run-1-u16-from-u128.c | 16 +++++ .../riscv/sat/sat_u_mul-run-1-u32-from-u128.c | 16 +++++ .../riscv/sat/sat_u_mul-run-1-u64-from-u128.c | 16 +++++ .../riscv/sat/sat_u_mul-run-1-u8-from-u128.c | 16 +++++ gcc/tree-ssa-math-opts.cc | 26 +++++++ 18 files changed, 348 insertions(+), 2 deletions(-) create mode 100644 gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-1-u16-from-u128.c create mode 100644 gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-1-u32-from-u128.c create mode 100644 gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-1-u64-from-u128.c create mode 100644 gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-1-u8-from-u128.c create mode 100644 gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-1-u16-from-u128.c create mode 100644 gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-1-u32-from-u128.c create mode 100644 gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-1-u64-from-u128.c create mode 100644 gcc/testsuite/gcc.target/riscv/sat/sat_u_mul-run-1-u8-from-u128.c