[all-commits] [llvm/llvm-project] 3a5189: [AArch64] Add v1i64 addsat/subsat (#142342)

David Green via All-commits all-commits at lists.llvm.org
Tue Jun 3 13:48:04 PDT 2025


  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3a51896ce80a58fe7fce869196317a497a29615a
      https://github.com/llvm/llvm-project/commit/3a51896ce80a58fe7fce869196317a497a29615a
  Author: David Green <david.green at arm.com>
  Date:   2025-06-03 (Tue, 03 Jun 2025)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    M llvm/lib/Target/AArch64/AArch64InstrFormats.td
    M llvm/lib/Target/AArch64/AArch64InstrInfo.td
    M llvm/test/CodeGen/AArch64/arm64-vqadd.ll
    M llvm/test/CodeGen/AArch64/arm64-vqsub.ll
    M llvm/test/CodeGen/AArch64/sadd_sat_vec.ll
    M llvm/test/CodeGen/AArch64/ssub_sat_vec.ll
    M llvm/test/CodeGen/AArch64/uadd_sat_vec.ll
    M llvm/test/CodeGen/AArch64/usub_sat_vec.ll

  Log Message:
  -----------
  [AArch64] Add v1i64 addsat/subsat (#142342)

Add basic handling for v1i64 saddsat, ssubsat, uaddsat and usubsat. We
missed that these were not upgrading in #140454 due to a lack of test
coverage, and for some reason the generic v1i64 nodes were not being
treated as legal like they should.

Fixes #142323



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