[all-commits] [llvm/llvm-project] b1d8c6: [AArch64] Implement FP8 SVE Intrinsics for narrowi...

[Momchil Velikov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b1d8c60dd479d9c5d58bcfe33db57b68f834938d
      https://github.com/llvm/llvm-project/commit/b1d8c60dd479d9c5d58bcfe33db57b68f834938d
  Author: Momchil Velikov <momchil.velikov at arm.com>
  Date:   2024-12-11 (Wed, 11 Dec 2024)

  Changed paths:
    M clang/include/clang/Basic/arm_sve.td
    A clang/test/CodeGen/AArch64/fp8-intrinsics/acle_sve2_fp8_cvtn.c
    M clang/test/Sema/aarch64-sve2-intrinsics/acle_sve2_fp8.c
    M llvm/include/llvm/IR/IntrinsicsAArch64.td
    M llvm/lib/Target/AArch64/AArch64SVEInstrInfo.td
    M llvm/lib/Target/AArch64/SVEInstrFormats.td
    A llvm/test/CodeGen/AArch64/fp8-sve-cvtn.ll

  Log Message:
  -----------
  [AArch64] Implement FP8 SVE Intrinsics for narrowing conversions (#118124)

This patch adds the following instrinsics:

* Half-precision and BFloat16 convert, narrow, and interleave to 8-bit
floating-point.

  // Variant is also available for: _bf16_x2
  svmfloat8_t svcvtn_mf8[_f16_x2]_fpm(svfloat16x2_t zn, fpm_t fpm);

* Single-precision convert, narrow, and interleave to 8-bit
floating-point (top and bottom).

svmfloat8_t svcvtnt_mf8[_f32_x2]_fpm(svmfloat8_t zd, svfloat32x2_t zn,
fpm_t fpm);
  svmfloat8_t svcvtnb_mf8[_f32_x2]_fpm(svfloat32x2_t zn, fpm_t fpm);



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