diff options
Diffstat (limited to 'opcodes/aarch64-gen.c')
| -rw-r--r-- | opcodes/aarch64-gen.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/opcodes/aarch64-gen.c b/opcodes/aarch64-gen.c index 02dcde1..6ca0932 100644 --- a/opcodes/aarch64-gen.c +++ b/opcodes/aarch64-gen.c @@ -123,6 +123,8 @@ get_aarch64_opcode (const opcode_node *opcode_node) return &index2table (opcode_node->index)[real_index (opcode_node->index)]; } +static bool iclass_has_subclasses_p[last_iclass]; + static void read_table (const struct aarch64_opcode* table) { @@ -181,6 +183,9 @@ read_table (const struct aarch64_opcode* table) ++errors; } + if (ent->flags & F_SUBCLASS) + iclass_has_subclasses_p[ent->iclass] = true; + *new_ent = new_opcode_node (); (*new_ent)->opcode = ent->opcode; (*new_ent)->mask = ent->mask; @@ -188,6 +193,20 @@ read_table (const struct aarch64_opcode* table) new_ent = &((*new_ent)->next); } while ((++ent)->name); + ent = table; + do + { + /* If a subclass is set for one insn of an iclass, every insn of that + iclass must have non-zero subclass field. */ + if ((iclass_has_subclasses_p[ent->iclass] && !(ent->flags & F_SUBCLASS)) + || (!iclass_has_subclasses_p[ent->iclass] && (ent->flags & F_SUBCLASS))) + { + fprintf (stderr, "%s: unexpected subclass\n", ent->name); + ++errors; + } + ent++; + } while (ent->name); + if (errors) { fprintf (stderr, "%u errors, exiting\n", errors); |