diff options
Diffstat (limited to 'src/cpu/inorder/inorder_dyn_inst.hh')
-rw-r--r-- | src/cpu/inorder/inorder_dyn_inst.hh | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/src/cpu/inorder/inorder_dyn_inst.hh b/src/cpu/inorder/inorder_dyn_inst.hh index 0776dc5aa..c2c484074 100644 --- a/src/cpu/inorder/inorder_dyn_inst.hh +++ b/src/cpu/inorder/inorder_dyn_inst.hh @@ -261,6 +261,16 @@ class InOrderDynInst : public FastAlloc, public RefCounted */ bool _readySrcRegIdx[MaxInstSrcRegs]; + /** Flattened register index of the destination registers of this + * instruction. + */ + TheISA::RegIndex _flatDestRegIdx[TheISA::MaxInstDestRegs]; + + /** Flattened register index of the source registers of this + * instruction. + */ + TheISA::RegIndex _flatSrcRegIdx[TheISA::MaxInstSrcRegs]; + /** Physical register index of the destination registers of this * instruction. */ @@ -706,6 +716,35 @@ class InOrderDynInst : public FastAlloc, public RefCounted return _srcRegIdx[idx]; } + /** Flattens a source architectural register index into a logical index. + */ + void flattenSrcReg(int idx, TheISA::RegIndex flattened_src) + { + _flatSrcRegIdx[idx] = flattened_src; + } + + /** Flattens a destination architectural register index into a logical + * index. + */ + void flattenDestReg(int idx, TheISA::RegIndex flattened_dest) + { + _flatDestRegIdx[idx] = flattened_dest; + } + + /** Returns the flattened register index of the i'th destination + * register. + */ + TheISA::RegIndex flattenedDestRegIdx(int idx) const + { + return _flatDestRegIdx[idx]; + } + + /** Returns the flattened register index of the i'th source register */ + TheISA::RegIndex flattenedSrcRegIdx(int idx) const + { + return _flatSrcRegIdx[idx]; + } + /** Returns the physical register index of the previous physical register * that remapped to the same logical register index. */ @@ -770,7 +809,7 @@ class InOrderDynInst : public FastAlloc, public RefCounted int getDestIdxNum(PhysRegIndex dest_idx) { for (int i=0; i < staticInst->numDestRegs(); i++) { - if (_destRegIdx[i] == dest_idx) + if (_flatDestRegIdx[i] == dest_idx) return i; } |