diff options
Diffstat (limited to 'src/cpu/o3/rename_impl.hh')
| -rw-r--r-- | src/cpu/o3/rename_impl.hh | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/cpu/o3/rename_impl.hh b/src/cpu/o3/rename_impl.hh index c0d34116d..6b7fb1e08 100644 --- a/src/cpu/o3/rename_impl.hh +++ b/src/cpu/o3/rename_impl.hh @@ -996,7 +996,12 @@ DefaultRename<Impl>::renameSrcRegs(DynInstPtr &inst,unsigned tid) if (src_reg < TheISA::FP_Base_DepTag) { flat_src_reg = TheISA::flattenIntIndex(inst->tcBase(), src_reg); DPRINTF(Rename, "Flattening index %d to %d.\n", (int)src_reg, (int)flat_src_reg); + } else { + // Floating point and Miscellaneous registers need their indexes + // adjusted to account for the expanded number of flattened int regs. + flat_src_reg = src_reg - TheISA::FP_Base_DepTag + TheISA::NumIntRegs; } + inst->flattenSrcReg(src_idx, flat_src_reg); // Look up the source registers to get the phys. register they've @@ -1033,8 +1038,13 @@ DefaultRename<Impl>::renameDestRegs(DynInstPtr &inst,unsigned tid) RegIndex dest_reg = inst->destRegIdx(dest_idx); RegIndex flat_dest_reg = dest_reg; if (dest_reg < TheISA::FP_Base_DepTag) { + // Integer registers are flattened. flat_dest_reg = TheISA::flattenIntIndex(inst->tcBase(), dest_reg); DPRINTF(Rename, "Flattening index %d to %d.\n", (int)dest_reg, (int)flat_dest_reg); + } else { + // Floating point and Miscellaneous registers need their indexes + // adjusted to account for the expanded number of flattened int regs. + flat_dest_reg = dest_reg - TheISA::FP_Base_DepTag + TheISA::NumIntRegs; } inst->flattenDestReg(dest_idx, flat_dest_reg); |