[all-commits] [llvm/llvm-project] cc1a2e: [AArch64] Implement FP8 SVE intrinsics for widenin...

[Momchil Velikov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cc1a2ea61e3f8e790125b10d9ec4e7d179156ddf
      https://github.com/llvm/llvm-project/commit/cc1a2ea61e3f8e790125b10d9ec4e7d179156ddf
  Author: Momchil Velikov <momchil.velikov at arm.com>
  Date:   2024-12-10 (Tue, 10 Dec 2024)

  Changed paths:
    M clang/include/clang/Basic/arm_sve.td
    A clang/test/CodeGen/AArch64/fp8-intrinsics/acle_sve2_fp8_cvt.c
    A 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-cvt-cvtlt.ll

  Log Message:
  -----------
  [AArch64] Implement FP8 SVE intrinsics for widening conversions (#118123)

This patch adds the following intrinsics:
* 8-bit floating-point convert to half-precision and BFloat16.

  // Variants are also available for: _bf16
  svfloat16_t svcvt1_f16[_mf8]_fpm(svmfloat8_t zn, fpm_t fpm);
  svfloat16_t svcvt2_f16[_mf8]_fpm(svmfloat8_t zn, fpm_t fpm);

* 8-bit floating-point convert to half-precision and BFloat16 (top).

  // Variants are also available for: _bf16
  svfloat16_t svcvtlt1_f16[_mf8]_fpm(svmfloat8_t zn, fpm_t fpm);
  svfloat16_t svcvtlt2_f16[_mf8]_fpm(svmfloat8_t zn, fpm_t fpm);



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