[BINUTILS, AARCH64, 2/8] Add Tag generation instructions in Memory Tagging Extension

[external/binutils.git] / opcodes / aarch64-opc.h

diff --git a/opcodes/aarch64-opc.h b/opcodes/aarch64-opc.h
index 7922788..3d1765b 100644 (file)
--- a/opcodes/aarch64-opc.h
+++ b/opcodes/aarch64-opc.h
@@ -70,6 +70,7 @@ enum aarch64_field_kind
   FLD_imm6_2,
   FLD_imm4,
   FLD_imm4_2,
+  FLD_imm4_3,
   FLD_imm5,
   FLD_imm7,
   FLD_imm8,
@@ -199,6 +200,10 @@ verify_constraints (const struct aarch64_inst *, const aarch64_insn, bfd_vma,
 #define OPD_F_OD_MASK          0x000000e0      /* Operand-dependent data.  */
 #define OPD_F_OD_LSB           5
 #define OPD_F_NO_ZR            0x00000100      /* ZR index not allowed.  */
+#define OPD_F_SHIFT_BY_4       0x00000200      /* Need to left shift the field
+                                                  value by 4 to get the value
+                                                  of an immediate operand.  */
+
 
 /* Register flags.  */
 
@@ -253,6 +258,12 @@ operand_need_shift_by_two (const aarch64_operand *operand)
 }
 
 static inline bfd_boolean
+operand_need_shift_by_four (const aarch64_operand *operand)
+{
+  return (operand->flags & OPD_F_SHIFT_BY_4) ? TRUE : FALSE;
+}
+
+static inline bfd_boolean
 operand_maybe_stack_pointer (const aarch64_operand *operand)
 {
   return (operand->flags & OPD_F_MAYBE_SP) ? TRUE : FALSE;