[all-commits] [llvm/llvm-project] 418c1d: [MIPS] Reland Add FeatureMSA to i6400 and i6500 co...

[Mallikarjuna Gouda via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 418c1d8a44c4e0188448713a86825a798d460fcb
      https://github.com/llvm/llvm-project/commit/418c1d8a44c4e0188448713a86825a798d460fcb
  Author: Mallikarjuna Gouda <mgouda at mips.com>
  Date:   2025-05-30 (Fri, 30 May 2025)

  Changed paths:
    M clang/lib/Driver/ToolChains/Arch/Mips.cpp
    A clang/test/Driver/mips-cpus.c
    M llvm/lib/Target/Mips/Mips.td
    M llvm/lib/Target/Mips/MipsSubtarget.h
    M llvm/test/CodeGen/Mips/msa/arithmetic.ll

  Log Message:
  -----------
  [MIPS] Reland Add FeatureMSA to i6400 and i6500 cores (#134985) (#141730)

Note: This relands #134985 with a fix. Original PR resulted in test fail
for msan builds.
Fix: Initialize MipsSubtarget::ProcImpl to ProcImpl::CPU::Others


[MIPS] Reland Add FeatureMSA to i6400 and i6500 cores (#134985)

- Enable 'FeatureMSA' for MIPS i6400 and i6500 cpu.
- Enable -mmsa option if mcpu is set to either i6400 or i6500
- added clang driver test to validate msa feature
- added llvm codegen test to validate msa instructions for cpu i6500 and
i6400

MIPS i6400 and i6500 cores implements and enables MSA (MIPS SIMD
ARCHITECTURE) by default.



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