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| author | Craig Topper <craig.topper@sifive.com> | 2021-09-23 11:16:34 -0700 |
|---|---|---|
| committer | Craig Topper <craig.topper@sifive.com> | 2021-09-23 11:29:04 -0700 |
| commit | 4a69551d663e42453c3ad5ab799326fe2ddc9657 (patch) | |
| tree | 0cb02b03120566d923a9a00a125b762eab80dc63 /lldb/source/Commands/CommandObjectExpression.cpp | |
| parent | 19734ae6f05498a75d4bb3960be06f5d704f8528 (diff) | |
| download | llvm-4a69551d663e42453c3ad5ab799326fe2ddc9657.zip llvm-4a69551d663e42453c3ad5ab799326fe2ddc9657.tar.gz llvm-4a69551d663e42453c3ad5ab799326fe2ddc9657.tar.bz2 | |
[RISCV] Add more isel optimizations for (and (shr x, c2), c1).
Turn (and (shr x, c2), c1) -> (slli (srli x, c2+c3), c3) if c1 is a
shifted mask with c2 leading zeros and c3 trailing zeros.
When the leading zeros is C2+32 we can use SRLIW in place of SRLI.
Diffstat (limited to 'lldb/source/Commands/CommandObjectExpression.cpp')
0 files changed, 0 insertions, 0 deletions