[ARM] Use the load-acquire/store-release instructions optimally in AArch32.

[oota-llvm.git] / lib / Target / ARM / ARMScheduleSwift.td

diff --git a/lib/Target/ARM/ARMScheduleSwift.td b/lib/Target/ARM/ARMScheduleSwift.td
index b5cf2518c00bc1dfa9ed8bec22b1a2d858ad261b..2a41616b40998911e1bd0d2c3ea8849e31443afd 100644 (file)
--- a/lib/Target/ARM/ARMScheduleSwift.td
+++ b/lib/Target/ARM/ARMScheduleSwift.td
@@ -1076,7 +1076,7 @@ def SwiftItineraries : ProcessorItineraries<
 // Swift machine model for scheduling and other instruction cost heuristics.
 def SwiftModel : SchedMachineModel {
   let IssueWidth = 3; // 3 micro-ops are dispatched per cycle.
-  let MinLatency = 0; // Data dependencies are allowed within dispatch groups.
+  let MicroOpBufferSize = 45; // Based on NEON renamed registers.
   let LoadLatency = 3;
   let MispredictPenalty = 14; // A branch direction mispredict.