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Rocket Chip Generator (https://github.com/freechipsproject/rocket-chip)
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681b43f398
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Christopher Celio 681b43f398 Bug fixes with global history register. 
- Updated in fetch speculatively.
      * Updates gated off by cpu.resp.fire().
      * BTB direction factored into history update.
   - All branches update the BHT.
   - Each instruction carries history; index into BHT is recomputed by
     passing in mem_reg_pc.
2014-09-26 10:39:57 -07:00
rocket Bug fixes with global history register. 2014-09-26 10:39:57 -07:00