49349f168c
AMD CPUs have had avx512_bf16 support for quite some time now (from consumer Ryzen 7000 series to enterprise grade CPUs). This patch should allow users to use the hardware bf16 unit when running the __host__ variants of the function. This can be enabled via `hipcc ... -mavx512vl -mavx512bf16`. Change-Id: I67c377afc95ddfe8d45a048dce078a247d4a1878