wishbone/Cache: avoid REFILL_WRTAG state to improve speed.
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@ -606,7 +606,10 @@ class Cache(Module):
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If(tag_do.dirty,
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NextState("EVICT")
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).Else(
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NextState("REFILL_WRTAG")
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# Write the tag first to set the slave address
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tag_port.we.eq(1),
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word_clr.eq(1),
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NextState("REFILL")
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)
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)
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)
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@ -618,16 +621,13 @@ class Cache(Module):
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If(slave.ack,
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word_inc.eq(1),
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If(word_is_last(word),
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NextState("REFILL_WRTAG")
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)
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)
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)
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fsm.act("REFILL_WRTAG",
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# Write the tag first to set the slave address
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tag_port.we.eq(1),
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word_clr.eq(1),
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NextState("REFILL")
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)
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)
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)
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fsm.act("REFILL",
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slave.stb.eq(1),
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slave.cyc.eq(1),
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