def : ProcessorModel<"e5500", PPCE5500Model,
[DirectiveE5500, FeatureMFOCRF, Feature64Bit,
FeatureSTFIWX, FeatureBookE, FeatureISEL]>;
-def : Processor<"a2", PPCA2Itineraries,
+def : ProcessorModel<"a2", PPCA2Model,
[DirectiveA2, FeatureBookE, FeatureMFOCRF,
FeatureFSqrt, FeatureFRE, FeatureFRES,
FeatureFRSQRTE, FeatureFRSQRTES, FeatureRecipPrec,
FeatureFPRND, FeatureFPCVT, FeatureISEL,
FeaturePOPCNTD, FeatureLDBRX, Feature64Bit
/*, Feature64BitRegs */]>;
-def : Processor<"a2q", PPCA2Itineraries,
+def : ProcessorModel<"a2q", PPCA2Model,
[DirectiveA2, FeatureBookE, FeatureMFOCRF,
FeatureFSqrt, FeatureFRE, FeatureFRES,
FeatureFRSQRTE, FeatureFRSQRTES, FeatureRecipPrec,
[15, 7],
[FPR_Bypass, FPR_Bypass]>
]>;
+
+// ===---------------------------------------------------------------------===//
+// A2 machine model for scheduling and other instruction cost heuristics.
+
+def PPCA2Model : SchedMachineModel {
+ let IssueWidth = 1; // 2 micro-ops are dispatched per cycle.
+ let MinLatency = -1; // OperandCycles are interpreted as MinLatency.
+ let LoadLatency = 6; // Optimistic load latency assuming bypass.
+ // This is overriden by OperandCycles if the
+ // Itineraries are queried instead.
+ let MispredictPenalty = 6;
+
+ let Itineraries = PPCA2Itineraries;
+}
+