[AArch64] Create a separate feature set for Exynos M3

Distinguish the features from Exynos M2.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@323139 91177308-0d34-0410-b5e6-96231b3b80d8

Author: Evandro Menezes

lib/Target/AArch64/AArch64.td

@@ -316,7 +316,7 @@ def ProcExynosM1 : SubtargetFeature<"exynosm1", "ARMProcFamily", "ExynosM1",
                                      FeatureZCZeroing]>;
 
 def ProcExynosM2 : SubtargetFeature<"exynosm2", "ARMProcFamily", "ExynosM1",
-                                    "Samsung Exynos-M2/M3 processors",
+                                    "Samsung Exynos-M2 processors",
                                     [FeatureSlowPaired128,
                                      FeatureCRC,
                                      FeatureCrypto,
@@ -329,6 +329,21 @@ def ProcExynosM2 : SubtargetFeature<"exynosm2", "ARMProcFamily", "ExynosM1",
                                      FeatureSlowMisaligned128Store,
                                      FeatureZCZeroing]>;
 
+def ProcExynosM3 : SubtargetFeature<"exynosm3", "ARMProcFamily", "ExynosM1",
+                                    "Samsung Exynos-M3 processors",
+                                    [FeatureCRC,
+                                     FeatureCrypto,
+                                     FeatureCustomCheapAsMoveHandling,
+                                     FeatureFPARMv8,
+                                     FeatureFuseAES,
+                                     FeatureFuseLiterals,
+                                     FeatureNEON,
+                                     FeaturePerfMon,
+                                     FeaturePostRAScheduler,
+                                     FeatureSlowMisaligned128Store,
+                                     FeatureSlowPaired128,
+                                     FeatureZCZeroing]>;
+
 def ProcKryo    : SubtargetFeature<"kryo", "ARMProcFamily", "Kryo",
                                    "Qualcomm Kryo processors", [
                                    FeatureCRC,
@@ -449,7 +464,7 @@ def : ProcessorModel<"cortex-a75", CortexA57Model, [ProcA75]>;
 def : ProcessorModel<"cyclone", CycloneModel, [ProcCyclone]>;
 def : ProcessorModel<"exynos-m1", ExynosM1Model, [ProcExynosM1]>;
 def : ProcessorModel<"exynos-m2", ExynosM1Model, [ProcExynosM2]>;
-def : ProcessorModel<"exynos-m3", ExynosM1Model, [ProcExynosM2]>;
+def : ProcessorModel<"exynos-m3", ExynosM1Model, [ProcExynosM3]>;
 def : ProcessorModel<"falkor", FalkorModel, [ProcFalkor]>;
 def : ProcessorModel<"saphira", FalkorModel, [ProcSaphira]>;
 def : ProcessorModel<"kryo", KryoModel, [ProcKryo]>;