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author | Korey Sewell <ksewell@umich.edu> | 2006-08-31 20:51:30 -0400 |
---|---|---|
committer | Korey Sewell <ksewell@umich.edu> | 2006-08-31 20:51:30 -0400 |
commit | 82862e0e15fbb55e022823d5ea5cc8470e330c22 (patch) | |
tree | b1c2184d5fe9d5b38cf494365d368c11a99acdd1 /src/cpu/o3/bpred_unit_impl.hh | |
parent | a8a7ce2b886ca2571f9470a48a4f12302f9cc830 (diff) | |
download | gem5-82862e0e15fbb55e022823d5ea5cc8470e330c22.tar.xz |
add ISA_HAS_DELAY_SLOT directive instead of "#if THE_ISA == ALPHA_ISA" throughout CPU models
src/arch/alpha/isa_traits.hh:
src/arch/mips/isa_traits.hh:
src/arch/sparc/isa_traits.hh:
define 'ISA_HAS_DELAY_SLOT'
src/cpu/base_dyn_inst.hh:
src/cpu/o3/bpred_unit_impl.hh:
src/cpu/o3/commit_impl.hh:
src/cpu/o3/cpu.cc:
src/cpu/o3/cpu.hh:
src/cpu/o3/decode_impl.hh:
src/cpu/o3/fetch_impl.hh:
src/cpu/o3/iew_impl.hh:
src/cpu/o3/inst_queue_impl.hh:
src/cpu/o3/rename_impl.hh:
src/cpu/simple/base.cc:
use ISA_HAS_DELAY_SLOT instead of THE_ISA == ALPHA_ISA
--HG--
extra : convert_revision : 24c7460d9391e8d443c9fe08e17c331ae8e9c36a
Diffstat (limited to 'src/cpu/o3/bpred_unit_impl.hh')
-rw-r--r-- | src/cpu/o3/bpred_unit_impl.hh | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/cpu/o3/bpred_unit_impl.hh b/src/cpu/o3/bpred_unit_impl.hh index e4e656632..477c8e4cb 100644 --- a/src/cpu/o3/bpred_unit_impl.hh +++ b/src/cpu/o3/bpred_unit_impl.hh @@ -29,6 +29,7 @@ */ #include "arch/types.hh" +#include "arch/isa_traits.hh" #include "base/trace.hh" #include "base/traceflags.hh" #include "cpu/o3/bpred_unit.hh" @@ -197,10 +198,10 @@ BPredUnit<Impl>::predict(DynInstPtr &inst, Addr &PC, unsigned tid) ++BTBLookups; if (inst->isCall()) { -#if THE_ISA == ALPHA_ISA - Addr ras_pc = PC + sizeof(MachInst); // Next PC -#else +#if ISA_HAS_DELAY_SLOT Addr ras_pc = PC + (2 * sizeof(MachInst)); // Next Next PC +#else + Addr ras_pc = PC + sizeof(MachInst); // Next PC #endif RAS[tid].push(ras_pc); @@ -209,8 +210,8 @@ BPredUnit<Impl>::predict(DynInstPtr &inst, Addr &PC, unsigned tid) predict_record.wasCall = true; DPRINTF(Fetch, "BranchPred: [tid:%i]: Instruction %#x was a call" - ", adding %#x to the RAS.\n", - tid, inst->readPC(), ras_pc); + ", adding %#x to the RAS index: %i.\n", + tid, inst->readPC(), ras_pc, RAS[tid].topIdx()); } if (BTB.valid(PC, tid)) { @@ -283,7 +284,6 @@ BPredUnit<Impl>::squash(const InstSeqNum &squashed_sn, unsigned tid) RAS[tid].restore(pred_hist.front().RASIndex, pred_hist.front().RASTarget); - } else if (pred_hist.front().wasCall) { DPRINTF(Fetch, "BranchPred: [tid:%i]: Removing speculative entry " "added to the RAS.\n",tid); |