From 245d2e3fe8d9ff35c65ed1329609fb7e59034877 Mon Sep 17 00:00:00 2001 From: Richard Sandiford Date: Wed, 21 Sep 2016 16:54:53 +0100 Subject: [AArch64][SVE 23/32] Add SVE pattern and prfop operands The SVE instructions have two enumerated operands: one to select a vector pattern and another to select a prefetch operation. The latter is a cut-down version of the base AArch64 prefetch operation. Both types of operand can also be specified as raw enum values such as #31. Reserved values can only be specified this way. If it hadn't been for the pattern operand, I would have been tempted to use the existing parsing for prefetch operations and add extra checks for SVE. However, since the patterns needed new enum parsing code anyway, it seeemed cleaner to reuse it for the prefetches too. Because of the small number of enum values, I don't think we'd gain anything by using hash tables. include/ * opcode/aarch64.h (AARCH64_OPND_SVE_PATTERN): New aarch64_opnd. (AARCH64_OPND_SVE_PRFOP): Likewise. (aarch64_sve_pattern_array): Declare. (aarch64_sve_prfop_array): Likewise. opcodes/ * aarch64-tbl.h (AARCH64_OPERANDS): Add entries for AARCH64_OPND_SVE_PATTERN and AARCH64_OPND_SVE_PRFOP. * aarch64-opc.h (FLD_SVE_pattern): New aarch64_field_kind. (FLD_SVE_prfop): Likewise. * aarch64-opc.c: Include libiberty.h. (aarch64_sve_pattern_array): New variable. (aarch64_sve_prfop_array): Likewise. (fields): Add entries for FLD_SVE_pattern and FLD_SVE_prfop. (aarch64_print_operand): Handle AARCH64_OPND_SVE_PATTERN and AARCH64_OPND_SVE_PRFOP. * aarch64-asm-2.c: Regenerate. * aarch64-dis-2.c: Likewise. * aarch64-opc-2.c: Likewise. gas/ * config/tc-aarch64.c (parse_enum_string): New function. (po_enum_or_fail): New macro. (parse_operands): Handle AARCH64_OPND_SVE_PATTERN and AARCH64_OPND_SVE_PRFOP. --- opcodes/aarch64-opc.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'opcodes/aarch64-opc.h') diff --git a/opcodes/aarch64-opc.h b/opcodes/aarch64-opc.h index cc3dbef..b54f35e 100644 --- a/opcodes/aarch64-opc.h +++ b/opcodes/aarch64-opc.h @@ -106,6 +106,8 @@ enum aarch64_field_kind FLD_SVE_Zm_16, FLD_SVE_Zn, FLD_SVE_Zt, + FLD_SVE_pattern, + FLD_SVE_prfop, FLD_SVE_tszh, }; -- cgit v1.1