aarch64: Add the SME2 MLAL and MLSL instructions

The {BF,F,S,U}MLAL and {BF,F,S,U}MLSL instructions share the same
encoding.  They are the first instance of a ZA (as opposed to ZA tile)
operand having a range of offsets.  As with ZA tiles, the expected
range size is encoded in the operand-specific data field.

1 files changed, 6 insertions, 2 deletions

diff --git a/opcodes/aarch64-dis.c b/opcodes/aarch64-dis.c
index bfeab06..7271231 100644
--- a/opcodes/aarch64-dis.c
+++ b/opcodes/aarch64-dis.c
@@ -1905,7 +1905,7 @@ aarch64_ext_sme_za_list (const aarch64_operand *self,
 bool
 aarch64_ext_sme_za_array (const aarch64_operand *self,
                           aarch64_opnd_info *info, aarch64_insn code,
-                          const aarch64_inst *inst ATTRIBUTE_UNUSED,
+                          const aarch64_inst *inst,
                           aarch64_operand_error *errors ATTRIBUTE_UNUSED)
 {
   int regno = extract_field (self->fields[0], code, 0);
@@ -1914,8 +1914,12 @@ aarch64_ext_sme_za_array (const aarch64_operand *self,
   else
     regno += 8;
   int imm = extract_field (self->fields[1], code, 0);
+  int num_offsets = get_operand_specific_data (self);
+  if (num_offsets == 0)
+    num_offsets = 1;
   info->indexed_za.index.regno = regno;
-  info->indexed_za.index.imm = imm;
+  info->indexed_za.index.imm = imm * num_offsets;
+  info->indexed_za.index.countm1 = num_offsets - 1;
   info->indexed_za.group_size = get_opcode_dependent_value (inst->opcode);
   return true;
 }