Correct disassembly of dot product instructions.

[deliverable/binutils-gdb.git] / opcodes / aarch64-asm.c

diff --git a/opcodes/aarch64-asm.c b/opcodes/aarch64-asm.c
index 516bdabbacb56b2c590fa3cd5a501c6b548e8d48..92de737eb17591b5f42bda18bfd38cf2e5e24d98 100644 (file)
--- a/opcodes/aarch64-asm.c
+++ b/opcodes/aarch64-asm.c
@@ -121,6 +121,27 @@ aarch64_ins_reglane (const aarch64_operand *self, const aarch64_opnd_info *info,
          insert_field (FLD_imm5, code, value, 0);
        }
     }
+  else if (inst->opcode->iclass == dotproduct)
+    {
+      unsigned reglane_index = info->reglane.index;
+      switch (info->qualifier)
+       {
+       case AARCH64_OPND_QLF_S_4B:
+         /* L:H */
+         assert (reglane_index < 4);
+         insert_fields (code, reglane_index, 0, 2, FLD_L, FLD_H);
+         break;
+       default:
+         assert (0);
+       }
+    }
+  else if (inst->opcode->iclass == cryptosm3)
+    {
+      /* index for e.g. SM3TT2A <Vd>.4S, <Vn>.4S, <Vm>S[<imm2>].  */
+      unsigned reglane_index = info->reglane.index;
+      assert (reglane_index < 4);
+      insert_field (FLD_SM3_imm2, code, reglane_index, 0);
+    }
   else
     {
       /* index for e.g. SQDMLAL <Va><d>, <Vb><n>, <Vm>.<Ts>[<index>]
@@ -498,9 +519,8 @@ aarch64_ins_limm_1 (const aarch64_operand *self,
 
   if (invert_p)
     imm = ~imm;
-  if (aarch64_logical_immediate_p (imm, esize, &value) == FALSE)
-    /* The constraint check should have guaranteed this wouldn't happen.  */
-    assert (0);
+  /* The constraint check should have guaranteed this wouldn't happen.  */
+  assert (aarch64_logical_immediate_p (imm, esize, &value));
 
   insert_fields (code, value, 0, 3, self->fields[2], self->fields[1],
                 self->fields[0]);
@@ -607,6 +627,29 @@ aarch64_ins_addr_regoff (const aarch64_operand *self ATTRIBUTE_UNUSED,
   return NULL;
 }
 
+/* Encode the address operand for e.g.
+     stlur <Xt>, [<Xn|SP>{, <amount>}].  */
+const char *
+aarch64_ins_addr_offset (const aarch64_operand *self ATTRIBUTE_UNUSED,
+                        const aarch64_opnd_info *info, aarch64_insn *code,
+                        const aarch64_inst *inst ATTRIBUTE_UNUSED)
+{
+  /* Rn */
+  insert_field (self->fields[0], code, info->addr.base_regno, 0);
+
+  /* simm9 */
+  int imm = info->addr.offset.imm;
+  insert_field (self->fields[1], code, imm, 0);
+
+  /* writeback */
+  if (info->addr.writeback)
+    {
+      assert (info->addr.preind == 1 && info->addr.postind == 0);
+      insert_field (self->fields[2], code, 1, 0);
+    }
+  return NULL;
+}
+
 /* Encode the address operand for e.g. LDRSW <Xt>, [<Xn|SP>, #<simm>]!.  */
 const char *
 aarch64_ins_addr_simm (const aarch64_operand *self,