[all-commits] [llvm/llvm-project] 313b71: [RISCV] Simplify tracking of tracking and encoding...

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 313b71fc1a9ae17ea5ecba8afcb4e5b80e1f4043
      https://github.com/llvm/llvm-project/commit/313b71fc1a9ae17ea5ecba8afcb4e5b80e1f4043
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2025-03-03 (Mon, 03 Mar 2025)

  Changed paths:
    M llvm/lib/Target/RISCV/MCTargetDesc/RISCVBaseInfo.h
    M llvm/lib/Target/RISCV/RISCVFrameLowering.cpp
    M llvm/lib/Target/RISCV/RISCVMachineFunctionInfo.h

  Log Message:
  -----------
  [RISCV] Simplify tracking of tracking and encoding of push/pop in RISCVFrameLowering. NFC (#129343)

Previously we calculated the max register id. Then converted it to the number
of registers and encoding. Then converted number of registers to stack
size. Then saved number of registers, encoding, and stack size to
MachineFunctionInfo.

This patch removes the calculation of max register id, and instead
calculates the number of registers. The encoding is removed from
MachineFunctionInfo in favor of converting the number of registers to
encoding at the time of use.



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