[all-commits] [llvm/llvm-project] 05d04f: [RISCV] Make RISCVISAInfo::updateMaxELen extension...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 05d04f0a057bc06324c02e00c2c73ee354999dde
      https://github.com/llvm/llvm-project/commit/05d04f0a057bc06324c02e00c2c73ee354999dde
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2024-04-30 (Tue, 30 Apr 2024)

  Changed paths:
    M llvm/lib/TargetParser/RISCVISAInfo.cpp

  Log Message:
  -----------
  [RISCV] Make RISCVISAInfo::updateMaxELen extension checking more robust. Add inference from V extension. (#90650)

We weren't fully checking that we parsed Zve*x/f/d correctly. This could
break if new extension is added that starts with Zve.

We were assuming the Zve64d is present whenever V is so we only
inferred from Zve*. It's more correct to infer ELEN from V itself too.



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