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opcodes: aarch64: enforce checks on subclass flags in aarch64-gen.c
[No changes in V5] [New in V4] Enforce some checks on the newly added subclass flags: - If a subclass is set of one insn of an iclass, every insn of that iclass must have non-zero subclass field. - For all other iclasses, the subclass bits are zero for all insns. include/ * opcode/aarch64.h (enum aarch64_insn_class): Identify the maximum iclass enum value. opcodes/ * aarch64-gen.c (iclass_has_subclasses_p): New array of bool. (read_table): Enforce checks on subclass flags.
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