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-rw-r--r--opcodes/aarch64-dis.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/opcodes/aarch64-dis.c b/opcodes/aarch64-dis.c
index ab93234..1d00c0a 100644
--- a/opcodes/aarch64-dis.c
+++ b/opcodes/aarch64-dis.c
@@ -1219,6 +1219,26 @@ aarch64_ext_sve_reglist (const aarch64_operand *self,
info->reglist.num_regs = get_opcode_dependent_value (inst->opcode);
return 1;
}
+
+/* Decode <pattern>{, MUL #<amount>}. The fields array specifies which
+ fields to use for <pattern>. <amount> - 1 is encoded in the SVE_imm4
+ field. */
+int
+aarch64_ext_sve_scale (const aarch64_operand *self,
+ aarch64_opnd_info *info, aarch64_insn code,
+ const aarch64_inst *inst)
+{
+ int val;
+
+ if (!aarch64_ext_imm (self, info, code, inst))
+ return 0;
+ val = extract_field (FLD_SVE_imm4, code, 0);
+ info->shifter.kind = AARCH64_MOD_MUL;
+ info->shifter.amount = val + 1;
+ info->shifter.operator_present = (val != 0);
+ info->shifter.amount_present = (val != 0);
+ return 1;
+}
/* Bitfields that are commonly used to encode certain operands' information
may be partially used as part of the base opcode in some instructions.