[PATCH] D123796: [RISCV] Don't emit fractional VIDs with negative steps

[Craig Topper via Phabricator via llvm-commits]

craig.topper added inline comments.


================
Comment at: llvm/test/CodeGen/RISCV/rvv/fixed-vectors-int-buildvec.ll:642
-; CHECK-NEXT:    vid.v v8
-; CHECK-NEXT:    vsrl.vi v8, v8, 2
-; CHECK-NEXT:    vrsub.vi v8, v8, -5
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This code seemed to do the right thing if I did the math correctly

-5 - (vid / 4)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D123796/new/

https://reviews.llvm.org/D123796