The 3-delay-slot scheme works when there is useful work to fill those three cycles. But some instructions genuinely need the protection result before they can proceed. LAR (Load Access Rights) and VERR (Verify Read), for example, exist solely to query protection status -- there is no useful setup to overlap with.
“伊朗的导弹,在中东打偏了方向”
,这一点在下载安装汽水音乐中也有详细论述
-- Before (nested expression):
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