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x86: add kconfig symbols for assembler VAES and VPCLMULQDQ support

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Add config symbols AS_VAES and AS_VPCLMULQDQ that expose whether the
assembler supports the vector AES and carryless multiplication
cryptographic extensions.

Reviewed-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers 2024-03-29 01:03:49 -07:00 committed by Herbert Xu
parent 73e5984e54
commit 7d4700d161
1 changed files with 10 additions and 0 deletions
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10
arch/x86/Kconfig.assembler
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@ -25,6 +25,16 @@ config AS_GFNI
help
Supported by binutils >= 2.30 and LLVM integrated assembler
config AS_VAES
def_bool $(as-instr,vaesenc %ymm0$(comma)%ymm1$(comma)%ymm2)
help
Supported by binutils >= 2.30 and LLVM integrated assembler
config AS_VPCLMULQDQ
def_bool $(as-instr,vpclmulqdq \$0x10$(comma)%ymm0$(comma)%ymm1$(comma)%ymm2)
help
Supported by binutils >= 2.30 and LLVM integrated assembler
config AS_WRUSS
def_bool $(as-instr,wrussq %rax$(comma)(%rbx))
help