[all-commits] [llvm/llvm-project] 2a1100: [RISCV] Shrink the size of the RISCVMatInt::Inst.

[Craig Topper via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2a1100cd656b1e65eba7a4a875d0be62191342b0
      https://github.com/llvm/llvm-project/commit/2a1100cd656b1e65eba7a4a875d0be62191342b0
  Author: Craig Topper <craig.topper at sifive.com>
  Date:   2022-12-07 (Wed, 07 Dec 2022)

  Changed paths:
    M llvm/lib/Target/RISCV/MCTargetDesc/RISCVMatInt.h

  Log Message:
  -----------
  [RISCV] Shrink the size of the RISCVMatInt::Inst.

We don't need to store a full 64-bit immediate. The largest value
used by any opcode is 20 bits.

Using an int32_t shrinks the struct from 16 bytes to 8 bytes and
reduces the size of the SmallVector that we use to store sequences
by 64 bytes.