Add missing i8 max/min/umax/umin support

[oota-llvm.git] / lib / Target / X86 / X86ScheduleAtom.td

diff --git a/lib/Target/X86/X86ScheduleAtom.td b/lib/Target/X86/X86ScheduleAtom.td
index 81530b5f1f712652e3b9d3e06f9660a9f99ae8ec..87102614cc8bb05d3335612d07c125b9656d9fc6 100644 (file)
--- a/lib/Target/X86/X86ScheduleAtom.td
+++ b/lib/Target/X86/X86ScheduleAtom.td
@@ -518,3 +518,13 @@ def AtomItineraries : ProcessorItineraries<
   InstrItinData<IIC_NOP, [InstrStage<1, [Port0, Port1]>] >
   ]>;
 
+// Atom machine model.
+def AtomModel : SchedMachineModel {
+  let IssueWidth = 2;  // Allows 2 instructions per scheduling group.
+  let MinLatency = 1;  // InstrStage cycles overrides MinLatency.
+                       // OperandCycles may be used for expected latency.
+  let LoadLatency = 3; // Expected cycles, may be overriden by OperandCycles.
+  let HighLatency = 30;// Expected, may be overriden by OperandCycles.
+
+  let Itineraries = AtomItineraries;
+}