Something like cpu->readIntReg(renamed_reg);
Ali
On Thu, 15 Sep
2011 14:44:59 -0400, Edward Kim wrote:
Hi
I want to look into the
register value when register is ready in rename stage.
What can I do for
it?
Specifically, I want to check the register value at line number 1022
in file src/cpu/o3/rename_impl.hh.
Thanks,
Ed
file
src/cpu/o3/rename_impl.hh
973 template
974 inline void
975
DefaultRename::renameSrcRegs(DynInstPtr &inst, ThreadID tid)
976 {
977
assert(renameMap[tid] != 0);
978
979 unsigned num_src_regs =
inst->numSrcRegs();
980
981 // Get the architectual register numbers
from the source and
982 // destination operands, and redirect them to
the right register.
983 // Will need to mark dependencies though.
984
for (int src_idx = 0; src_idx < num_src_regs; src_idx++) {
985 RegIndex
src_reg = inst->srcRegIdx(src_idx);
.......
.......
1006
inst->flattenSrcReg(src_idx, flat_src_reg);
1007
1008 // Look up the
source registers to get the phys. register they've
1009 // been renamed
to, and set the sources to those registers.
1010 PhysRegIndex
renamed_reg = renameMap[tid]->lookup(flat_src_reg);
1011
1012
DPRINTF(Rename, "[tid:%u]: Looking up arch reg %i, got "
1013 "physical
reg %i.n", tid, (int)flat_src_reg,
1014 (int)renamed_reg);
1015
1016
inst->renameSrcReg(src_idx, renamed_reg);
1017
1018 // See if the
register is ready or not.
1019 if (scoreboard->getReg(renamed_reg) ==
true) {
1020 DPRINTF(Rename, "[tid:%u]: Register %d is ready.n",
1021
tid, renamed_reg);
1022 /* ================== looking into the register
value here ================= */
1023 inst->markSrcRegReady(src_idx);
1024 } else {
1025 DPRINTF(Rename, "[tid:%u]: Register %d is not
ready.n",
1026 tid, renamed_reg);
1027 }
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