Files
clang-p2996/llvm/test/CodeGen/RISCV
Craig Topper ec4dd862bf [RISCV] Use simm5_plus1_nonzero in isel patterns for vmsgeu.vi/vmsltu.vi intrinsics.
The 0 immediate can't be selected to vmsgtu.vi/vmsleu.vi by decrementing
the immediate. To prevent his we had special patterns that provided
alternate lowering for the 0 cases. This relied on tablegen prioritizing
the 0 pattern over the sim5_plus1 range.

This patch introduces simm5_plus1_nonzero that excludes 0. It also
excludes the special case for vmsltu.vi since we can just use
vmsltu.vx and let the 0 be selected to X0.

This is an alternative to some of the changes in D116584.

Reviewed By: Chenbing.Zheng, asb

Differential Revision: https://reviews.llvm.org/D116723
2022-01-06 08:27:27 -08:00
..
2021-12-20 10:28:39 +08:00
2021-11-22 14:01:37 +08:00