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misched: Added MultiIssueItineraries.

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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
This commit is contained in:
Andrew Trick
2012-06-05 03:44:40 +00:00
parent 4eb4e5eb22
commit fc992996f7
12 changed files with 141 additions and 31 deletions
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lib/CodeGen/SelectionDAG/ResourcePriorityQueue.cpp
+1 -1
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@@ -318,7 +318,7 @@ void ResourcePriorityQueue::reserveResources(SUnit *SU) {
// If packet is now full, reset the state so in the next cycle
// we start fresh.
if (Packet.size() >= InstrItins->IssueWidth) {
if (Packet.size() >= InstrItins->Props.IssueWidth) {
ResourcesModel->clearResources();
Packet.clear();
}