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Update machine models. Specify buffer sizes for OOO processors.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184033 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick
2013-06-15 04:50:02 +00:00
parent b86a0cdb67
commit a5ce5f36d3
6 changed files with 10 additions and 10 deletions
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lib/Target/X86/X86SchedSandyBridge.td
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@@ -17,7 +17,7 @@ def SandyBridgeModel : SchedMachineModel {
// instructions per cycle.
// FIXME: Identify instructions that aren't a single fused micro-op.
let IssueWidth = 4;
let MinLatency = 0; // 0 = Out-of-order execution.
let MicroOpBufferSize = 168; // Based on the reorder buffer.
let LoadLatency = 4;
let MispredictPenalty = 16;
}