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/gem5/src/cpu/o3/ | ||
H A D | lsq.hh | 11302:bce9037689b0 Sun Jan 17 21:27:00 EST 2016 Steve Reinhardt <steve.reinhardt@amd.com> cpu: remove unnecessary data ptr from O3 internal read() funcs The read() function merely initiates a memory read operation; the data doesn't arrive until the access completes and a response packet is received from the memory system. Thus there's no need to provide a data pointer; its existence is historical. Getting this pointer out of this internal o3 interface sets the stage for similar cleanup in the ExecContext interface. Also found that we were pointlessly setting the contents at this pointer on a store forward (the useful memcpy happens just a few lines below the deleted one). |
H A D | lsq_unit.hh | 11302:bce9037689b0 Sun Jan 17 21:27:00 EST 2016 Steve Reinhardt <steve.reinhardt@amd.com> cpu: remove unnecessary data ptr from O3 internal read() funcs The read() function merely initiates a memory read operation; the data doesn't arrive until the access completes and a response packet is received from the memory system. Thus there's no need to provide a data pointer; its existence is historical. Getting this pointer out of this internal o3 interface sets the stage for similar cleanup in the ExecContext interface. Also found that we were pointlessly setting the contents at this pointer on a store forward (the useful memcpy happens just a few lines below the deleted one). |
H A D | cpu.hh | 11302:bce9037689b0 Sun Jan 17 21:27:00 EST 2016 Steve Reinhardt <steve.reinhardt@amd.com> cpu: remove unnecessary data ptr from O3 internal read() funcs The read() function merely initiates a memory read operation; the data doesn't arrive until the access completes and a response packet is received from the memory system. Thus there's no need to provide a data pointer; its existence is historical. Getting this pointer out of this internal o3 interface sets the stage for similar cleanup in the ExecContext interface. Also found that we were pointlessly setting the contents at this pointer on a store forward (the useful memcpy happens just a few lines below the deleted one). |
/gem5/src/cpu/ | ||
H A D | base_dyn_inst.hh | 11302:bce9037689b0 Sun Jan 17 21:27:00 EST 2016 Steve Reinhardt <steve.reinhardt@amd.com> cpu: remove unnecessary data ptr from O3 internal read() funcs The read() function merely initiates a memory read operation; the data doesn't arrive until the access completes and a response packet is received from the memory system. Thus there's no need to provide a data pointer; its existence is historical. Getting this pointer out of this internal o3 interface sets the stage for similar cleanup in the ExecContext interface. Also found that we were pointlessly setting the contents at this pointer on a store forward (the useful memcpy happens just a few lines below the deleted one). |
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