[all-commits] [llvm/llvm-project] 50cda1: [Clang][AArch64] Relax SVE2 requirement for builti...

[Paul Walker via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 50cda17e32fd528e5b342836e69e28b5a8841a8f
      https://github.com/llvm/llvm-project/commit/50cda17e32fd528e5b342836e69e28b5a8841a8f
  Author: Paul Walker <paul.walker at arm.com>
  Date:   2025-10-10 (Fri, 10 Oct 2025)

  Changed paths:
    M clang/include/clang/Basic/arm_sve.td
    A clang/test/Sema/AArch64/arm_sve_feature_dependent_sve_AND_LP_sve2_OR_sme2_RP_AND_faminmax___sme_AND_sme2_AND_faminmax.c
    A clang/test/Sema/AArch64/arm_sve_feature_dependent_sve_AND_LP_sve2_OR_sme2_RP_AND_fp8___sme_AND_sme2_AND_fp8.c
    A clang/test/Sema/AArch64/arm_sve_feature_dependent_sve_AND_LP_sve2_OR_sme2_RP_AND_lut___sme_AND_sme2_AND_lut.c
    A clang/test/Sema/AArch64/arm_sve_feature_dependent_sve_AND_LP_sve2_OR_sme_RP___sme.c
    A clang/test/Sema/AArch64/arm_sve_feature_dependent_sve_AND_sve-sha3___sme_AND_sme2p1_AND_sve-sha3.c
    R clang/test/Sema/AArch64/arm_sve_feature_dependent_sve_AND_sve-sha3___sme_AND_sve-sha3_AND_sme2p1.c
    R clang/test/Sema/AArch64/arm_sve_feature_dependent_sve_AND_sve2_AND_faminmax___sme_AND_sme2_AND_faminmax.c
    R clang/test/Sema/AArch64/arm_sve_feature_dependent_sve_AND_sve2_AND_fp8___sme_AND_sme2_AND_fp8.c
    R clang/test/Sema/AArch64/arm_sve_feature_dependent_sve_AND_sve2_AND_lut___sme_AND_sme2_AND_lut.c
    R clang/test/Sema/AArch64/arm_sve_feature_dependent_sve_AND_sve2___sme.c
    A clang/test/Sema/AArch64/arm_sve_feature_dependent_sve_AND_sve2p1___sme_AND_LP_sve2p1_OR_sme2_RP.c
    R clang/test/Sema/AArch64/arm_sve_feature_dependent_sve_AND_sve2p1___sme_AND_sme2.c
    M clang/test/Sema/aarch64-sve2-intrinsics/acle_sve2.cpp
    M clang/test/Sema/aarch64-sve2-intrinsics/acle_sve2_aes_bitperm_sha3_sm4.cpp
    M clang/test/Sema/aarch64-sve2-intrinsics/acle_sve2_fp8.c
    M clang/utils/TableGen/SveEmitter.cpp

  Log Message:
  -----------
  [Clang][AArch64] Relax SVE2 requirement for builtins available via +sme. (#162457)

Having both SVE and SME environments essentially means the majority of
SVE2 instructions are always available. This PR reflects this at the
builtins level whereby +sve+sme is enough to enable this subset.

It's a similar story for +sve2p1 whereby the feature means a subset of
SME2 instructions are always available.



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