x86: add kconfig symbols for assembler VAES and VPCLMULQDQ support
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>
diff --git a/arch/x86/Kconfig.assembler b/arch/x86/Kconfig.assembler
index 8ad41da..59aedf3 100644
--- a/arch/x86/Kconfig.assembler
+++ b/arch/x86/Kconfig.assembler
@@ -25,6 +25,16 @@
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
