Review Board 2.0.15


cpu: Physical register structural + flat indexing

Review Request #3458 - Created April 28, 2016 and updated

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Andreas Sandberg
gem5
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Reviewers
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Changeset 11465:2d28d7045050
---------------------------
cpu: Physical register structural + flat indexing

Mimic the changes done on the architectural register indexes on the
physical register indexes. This is specific to the O3 model. The
structure, called PhysRegId, contains a register class, a register
index and a flat register index. The flat register index is kept
because it is useful in some cases where the type of register is not
important (dependency graph and scoreboard for example).  Instead of
directly using the structure, most of the code is working with a const
PhysRegId* (typedef to PhysRegIdPtr).  The actual PhysRegId objects
are stored in the regFile.

Change-Id: Ic879a3cc608aa2f34e2168280faac1846de77667
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>

   

  


 


 

  

  






 
 
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Review request changed

   
Updated  (May 23, 2016, 9:47 a.m.)

  

  







   



    

     
Description:

     
      
 ~   
Changeset 11465:cd2aa6d3d60f
   ~ 
Changeset 11465:2d28d7045050
     

     
cpu: Physical register structural + flat indexing
     

     
Mimic the changes done on the architectural register indexes on the
 ~   physical register indexes. This is specific to the O3 model.  The
   ~ physical register indexes. This is specific to the O3 model. The
     structure, called PhysRegId, contains a register class, a register
     index and a flat register index. The flat register index is kept
     because it is useful in some cases where the type of register is not
     important (dependency graph and scoreboard for example).  Instead of
     directly using the structure, most of the code is working with a const
     PhysRegId* (typedef to PhysRegIdPtr).  The actual PhysRegId objects
     are stored in the regFile.
     

     
Change-Id: Ic879a3cc608aa2f34e2168280faac1846de77667
 ~   Signed-off-by: Andreas Sandberg andreas.sandberg@arm.com
   ~ Reviewed-by: Andreas Sandberg andreas.sandberg@arm.com

     		
    




    

     
Diff:

     
      
 Revision 2 (+383 -376)
Show changes
 
    src/cpu/base_dyn_inst.hh 
    src/cpu/o3/comm.hh 
    src/cpu/o3/cpu.hh 
    src/cpu/o3/cpu.cc 
    src/cpu/o3/dyn_inst.hh 
    src/cpu/o3/dyn_inst_impl.hh 
    src/cpu/o3/free_list.hh 
    src/cpu/o3/iew_impl.hh 
  10 more