######################################################################## # Copyright(c) 2019 Arm Corporation All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions # are met: # * Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # * Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in # the documentation and/or other materials provided with the # distribution. # * Neither the name of Arm Corporation nor the names of its # contributors may be used to endorse or promote products derived # from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ######################################################################### /* TODO: support SVE */ .macro mbin_dispatch name:req, func_neon:req, func_sve .section .data .balign 8 \name\()_dispatched: .quad \name\()_dispatch_init .text .global \name .type \name, %function \name\(): adrp x9, \name\()_dispatched ldr x10, [x9, :lo12:\name\()_dispatched] br x10 \name\()_dispatch_init: add x9, x9, :lo12:\name\()_dispatched adrp x10, \func_neon add x10, x10, :lo12:\func_neon str x10, [x9] br x10 .endm #if 0 Macro expanded: mbin_dispatch xor_gen, xor_gen_neon .section .data .balign 8 xor_gen_dispatched: .quad xor_gen_dispatch_init .text .global xor_gen xor_gen: adrp x9, xor_gen_dispatched ldr x10, [x9, :lo12:xor_gen_dispatched] br x10 xor_gen_dispatch_init: add x9, x9, :lo12:xor_gen_dispatched adrp x10, xor_gen_neon add x10, x10, :lo12:xor_gen_neon str x10, [x9] br x10 #endif