diff options
| author | Andrew Trick <atrick@apple.com> | 2012-06-05 03:44:40 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2012-06-05 03:44:40 +0000 |
| commit | fc992996f751e0941951b6d08d8f1e80ebec1385 (patch) | |
| tree | 9205e39624f5c786dee5160b882d65c7865e45b2 /lib/CodeGen/ScoreboardHazardRecognizer.cpp | |
| parent | 4eb4e5eb224b3d737558bcda8a0a369cc9d800e6 (diff) | |
misched: Added MultiIssueItineraries.
This allows a subtarget to explicitly specify the issue width and
other properties without providing pipeline stage details for every
instruction.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@157979 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/ScoreboardHazardRecognizer.cpp')
| -rw-r--r-- | lib/CodeGen/ScoreboardHazardRecognizer.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/CodeGen/ScoreboardHazardRecognizer.cpp b/lib/CodeGen/ScoreboardHazardRecognizer.cpp index ac62d7ef0d..7110b7566a 100644 --- a/lib/CodeGen/ScoreboardHazardRecognizer.cpp +++ b/lib/CodeGen/ScoreboardHazardRecognizer.cpp @@ -44,8 +44,6 @@ ScoreboardHazardRecognizer(const InstrItineraryData *II, // avoid dealing with the boundary condition. unsigned ScoreboardDepth = 1; if (ItinData && !ItinData->isEmpty()) { - IssueWidth = ItinData->IssueWidth; - for (unsigned idx = 0; ; ++idx) { if (ItinData->isEndMarker(idx)) break; @@ -74,11 +72,13 @@ ScoreboardHazardRecognizer(const InstrItineraryData *II, ReservedScoreboard.reset(ScoreboardDepth); RequiredScoreboard.reset(ScoreboardDepth); - if (!MaxLookAhead) + if (!isEnabled()) DEBUG(dbgs() << "Disabled scoreboard hazard recognizer\n"); - else + else { + IssueWidth = ItinData->Props.IssueWidth; DEBUG(dbgs() << "Using scoreboard hazard recognizer: Depth = " << ScoreboardDepth << '\n'); + } } void ScoreboardHazardRecognizer::Reset() { |