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O3: Fix a small corner case with the lsq hazard detection logic.

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This commit is contained in:
Ali Saidi 2011-05-04 20:38:26 -05:00
parent 48f7fda706
commit 09a2be0c39
1 changed files with 1 additions and 2 deletions
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3
src/cpu/o3/lsq_unit_impl.hh
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@ -465,8 +465,7 @@ LSQUnit<Impl>::checkViolations(int load_idx, DynInstPtr &inst)
Addr ld_eff_addr2 =
(ld_inst->effAddr + ld_inst->effSize - 1) >> depCheckShift;
if ((inst_eff_addr2 > ld_eff_addr1 && inst_eff_addr1 < ld_eff_addr2) ||
inst_eff_addr1 == ld_eff_addr1) {
if (inst_eff_addr2 >= ld_eff_addr1 && inst_eff_addr1 <= ld_eff_addr2) {
// A load/store incorrectly passed this load/store.
// Check if we already have a violator, or if it's newer
// squash and refetch.