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a18592e1c3
Instead of loading the permutation indices and using vmslt in order to determine which elements belong to which source vector we can compute the proper mask at compile time. That way we can emit vlm instead of vle + vmslt. gcc/ChangeLog: * config/riscv/riscv-v.cc (shuffle_merge_patterns): Load VLS indices directly. gcc/testsuite/ChangeLog: * gcc.target/riscv/rvv/autovec/vls/merge-1.c: Check for vlm and no vmsleu etc. * gcc.target/riscv/rvv/autovec/vls/merge-2.c: Ditto. * gcc.target/riscv/rvv/autovec/vls/merge-3.c: Ditto. * gcc.target/riscv/rvv/autovec/vls/merge-4.c: Ditto. * gcc.target/riscv/rvv/autovec/vls/merge-5.c: Ditto. * gcc.target/riscv/rvv/autovec/vls/merge-6.c: Ditto. |
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