There are 3 instructions for AVX512BF16: VCVTNE2PS2BF16, VCVTNEPS2BF16 and DPBF16PS instructions, which are Vector Neural Network Instructions supporting: - VCVTNE2PS2BF16: Convert Two Packed Single Data to One Packed BF16 Data. - VCVTNEPS2BF16: Convert Packed Single Data to Packed BF16 Data. - VDPBF16PS: Dot Product of BF16 Pairs Accumulated into Packed Single Precision. 2019-05-07 Wei Xiao <wei3.xiao@intel.com> * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512BF16_SET OPTION_MASK_ISA_AVX512BF16_UNSET, OPTION_MASK_ISA2_AVX512BW_UNSET): New. (OPTION_MASK_ISA2_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512BF16_UNSET. (ix86_handle_option): Handle -mavx512bf16. * config.gcc: Add avx512bf16vlintrin.h and avx512bf16intrin.h to extra_headers. * config/i386/avx512bf16vlintrin.h: New. * config/i386/avx512bf16intrin.h: New. * config/i386/cpuid.h (bit_AVX512BF16): New. * config/i386/driver-i386.c (host_detect_local_cpu): Detect BF16. * config/i386/i386-builtin-types.def: Add new types. * config/i386/i386-builtin.def: Add new builtins. * config/i386/i386-c.c (ix86_target_macros_internal): Define __AVX512BF16__. * config/i386/i386-option.c (ix86_target_string): Add -mavx512bf16. (ix86_option_override_internal): Handle BF16. (ix86_valid_target_attribute_inner_p): Ditto. * config/i386/i386-expand.c (ix86_expand_args_builtin): Ditto. * config/i386/i386-builtin.c (enum processor_features): Add F_AVX512BF16. (static const _isa_names_table isa_names_table): Ditto. * config/i386/i386.h (TARGET_AVX512BF16, TARGET_AVX512BF16_P): New. (PTA_AVX512BF16): Ditto. * config/i386/i386.opt: Add -mavx512bf16. * config/i386/immintrin.h: Include avx512bf16intrin.h and avx512bf16vlintrin.h. * config/i386/sse.md (avx512f_cvtne2ps2bf16_<mode><mask_name>, avx512f_cvtneps2bf16_<mode><mask_name>, avx512f_dpbf16ps_<mode><mask_half_name>): New define_insn patterns. * config/i386/subst.md (mask_half): Add new subst. * doc/invoke.texi: Document -mavx512bf16. 2019-05-07 Wei Xiao <wei3.xiao@intel.com> * gcc.target/i386/avx512bf16-vcvtne2ps2bf16-1.c: New test. * gcc.target/i386/avx512bf16-vcvtneps2bf16-1.c: New test. * gcc.target/i386/avx512bf16-vdpbf16ps-1.c: New test. * gcc.target/i386/avx512bf16vl-vcvtne2ps2bf16-1.c: New test. * gcc.target/i386/avx512bf16vl-vcvtneps2bf16-1.c: New test. * gcc.target/i386/avx512bf16vl-vdpbf16ps-1.c: New test. * gcc.target/i386/builtin_target.c: Handle avx512bf16. * gcc.target/i386/sse-12.c: Add -mavx512bf16. * gcc.target/i386/sse-13.c: Ditto. * gcc.target/i386/sse-14.c: Ditto. * gcc.target/i386/sse-22.c: Ditto. * gcc.target/i386/sse-23.c: Ditto. * g++.dg/other/i386-2.C: Ditto. * g++.dg/other/i386-3.C: Ditto. 2019-05-07 Hongtao Liu <hongtao.liu@intel.com> * config/i386/cpuinfo.c (get_available_features): Detect BF16. * config/i386/cpuinfo.h (enum processor_features): Add FEATURE_AVX512BF16. From-SVN: r271006
