diff options
Diffstat (limited to 'opcodes/aarch64-dis.c')
| -rw-r--r-- | opcodes/aarch64-dis.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/opcodes/aarch64-dis.c b/opcodes/aarch64-dis.c index bbd5a3e..d8bd290 100644 --- a/opcodes/aarch64-dis.c +++ b/opcodes/aarch64-dis.c @@ -1,5 +1,5 @@ /* aarch64-dis.c -- AArch64 disassembler. - Copyright 2009, 2010, 2011, 2012 Free Software Foundation, Inc. + Copyright 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc. Contributed by ARM Ltd. This file is part of the GNU opcodes library. @@ -1478,6 +1478,20 @@ convert_extr_to_ror (aarch64_inst *inst) return 0; } +/* UXTL<Q> <Vd>.<Ta>, <Vn>.<Tb> + is equivalent to: + USHLL<Q> <Vd>.<Ta>, <Vn>.<Tb>, #0. */ +static int +convert_shll_to_xtl (aarch64_inst *inst) +{ + if (inst->operands[2].imm.value == 0) + { + inst->operands[2].type = AARCH64_OPND_NIL; + return 1; + } + return 0; +} + /* Convert UBFM <Xd>, <Xn>, #<shift>, #63. to @@ -1731,6 +1745,11 @@ convert_to_alias (aarch64_inst *inst, const aarch64_opcode *alias) return convert_movebitmask_to_mov (inst); case OP_ROR_IMM: return convert_extr_to_ror (inst); + case OP_SXTL: + case OP_SXTL2: + case OP_UXTL: + case OP_UXTL2: + return convert_shll_to_xtl (inst); default: return 0; } |