This is a preparatory patch to introduce the optimized crypto algorithms using AVX512 instructions which would require VAES and VPLCMULQDQ support. Check for VAES and VPCLMULQDQ assembler support using AVX512 registers. Cc: x86@xxxxxxxxxx Signed-off-by: Megha Dey <megha.dey@xxxxxxxxx> --- arch/x86/Kconfig.assembler | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/x86/Kconfig.assembler b/arch/x86/Kconfig.assembler index 26b8c08..9ea0bc8 100644 --- a/arch/x86/Kconfig.assembler +++ b/arch/x86/Kconfig.assembler @@ -1,6 +1,16 @@ # SPDX-License-Identifier: GPL-2.0 # Copyright (C) 2020 Jason A. Donenfeld <Jason@xxxxxxxxx>. All Rights Reserved. +config AS_VAES_AVX512 + def_bool $(as-instr,vaesenc %zmm0$(comma)%zmm1$(comma)%zmm1) && 64BIT + help + Supported by binutils >= 2.30 and LLVM integrated assembler + +config AS_VPCLMULQDQ + def_bool $(as-instr,vpclmulqdq \$0$(comma)%zmm2$(comma)%zmm6$(comma)%zmm4) + help + Supported by binutils >= 2.30 and LLVM integrated assembler + config AS_AVX512 def_bool $(as-instr,vpmovm2b %k1$(comma)%zmm5) help -- 2.7.4
