numam-dpdk/lib/acl/meson.build

# SPDX-License-Identifier: BSD-3-Clause
# Copyright(c) 2017 Intel Corporation

if is_windows
    build = false
    reason = 'not supported on Windows'
    subdir_done()
endif

sources = files('acl_bld.c', 'acl_gen.c', 'acl_run_scalar.c',
        'rte_acl.c', 'tb_mem.c')
headers = files('rte_acl.h', 'rte_acl_osdep.h')

if dpdk_conf.has('RTE_ARCH_X86')
    sources += files('acl_run_sse.c')

    # compile AVX2 version if either:
    # a. we have AVX supported in minimum instruction set baseline
    # b. it's not minimum instruction set, but supported by compiler
    #
    # in former case, just add avx2 C file to files list
    # in latter case, compile c file to static lib, using correct compiler
    # flags, and then have the .o file from static lib linked into main lib.
    if cc.get_define('__AVX2__', args: machine_args) != ''
        sources += files('acl_run_avx2.c')
        cflags += '-DCC_AVX2_SUPPORT'
    elif cc.has_argument('-mavx2')
        avx2_tmplib = static_library('avx2_tmp',
                'acl_run_avx2.c',
                dependencies: static_rte_eal,
                c_args: cflags + ['-mavx2'])
        objs += avx2_tmplib.extract_objects('acl_run_avx2.c')
        cflags += '-DCC_AVX2_SUPPORT'
    endif

    # compile AVX512 version if:
    # we are building 64-bit binary AND binutils can generate proper code

    if dpdk_conf.has('RTE_ARCH_X86_64') and binutils_ok

        # compile AVX512 version if either:
        # a. we have AVX512 supported in minimum instruction set
        #    baseline
        # b. it's not minimum instruction set, but supported by
        #    compiler
        #
        # in former case, just add avx512 C file to files list
        # in latter case, compile c file to static lib, using correct
        # compiler flags, and then have the .o file from static lib
        # linked into main lib.

        # check if all required flags already enabled (variant a).
        acl_avx512_flags = ['__AVX512F__', '__AVX512VL__',
            '__AVX512CD__', '__AVX512BW__']

        acl_avx512_on = true
        foreach f:acl_avx512_flags

            if cc.get_define(f, args: machine_args) == ''
                acl_avx512_on = false
            endif
        endforeach

        if acl_avx512_on == true

            sources += files('acl_run_avx512.c')
            cflags += '-DCC_AVX512_SUPPORT'

        elif cc.has_multi_arguments('-mavx512f', '-mavx512vl',
                    '-mavx512cd', '-mavx512bw')

            avx512_tmplib = static_library('avx512_tmp',
                'acl_run_avx512.c',
                dependencies: static_rte_eal,
                c_args: cflags +
                    ['-mavx512f', '-mavx512vl',
                     '-mavx512cd', '-mavx512bw'])
            objs += avx512_tmplib.extract_objects(
                    'acl_run_avx512.c')
            cflags += '-DCC_AVX512_SUPPORT'
        endif
    endif

elif dpdk_conf.has('RTE_ARCH_ARM')
    cflags += '-flax-vector-conversions'
    sources += files('acl_run_neon.c')
elif dpdk_conf.has('RTE_ARCH_PPC_64')
    sources += files('acl_run_altivec.c')
endif