Index: llvm/lib/Target/AArch64/AArch64.td
===================================================================
--- llvm/lib/Target/AArch64/AArch64.td
+++ llvm/lib/Target/AArch64/AArch64.td
@@ -1138,7 +1138,7 @@
                      [TuneA78]>;
 def : ProcessorModel<"cortex-a78c", CortexA57Model, ProcessorFeatures.A78C,
                      [TuneA78C]>;
-def : ProcessorModel<"cortex-a710", CortexA57Model, ProcessorFeatures.A710,
+def : ProcessorModel<"cortex-a710", NeoverseN2Model, ProcessorFeatures.A710,
                      [TuneA710]>;
 def : ProcessorModel<"cortex-r82", CortexA55Model, ProcessorFeatures.R82,
                      [TuneR82]>;
@@ -1146,7 +1146,7 @@
                      [TuneX1]>;
 def : ProcessorModel<"cortex-x1c", CortexA57Model, ProcessorFeatures.X1C,
                      [TuneX1]>;
-def : ProcessorModel<"cortex-x2", CortexA57Model, ProcessorFeatures.X2,
+def : ProcessorModel<"cortex-x2", NeoverseN2Model, ProcessorFeatures.X2,
                      [TuneX2]>;
 def : ProcessorModel<"neoverse-e1", CortexA53Model,
                      ProcessorFeatures.NeoverseE1, [TuneNeoverseE1]>;
@@ -1154,9 +1154,9 @@
                      ProcessorFeatures.NeoverseN1, [TuneNeoverseN1]>;
 def : ProcessorModel<"neoverse-n2", NeoverseN2Model,
                      ProcessorFeatures.NeoverseN2, [TuneNeoverseN2]>;
-def : ProcessorModel<"neoverse-512tvb", CortexA57Model,
+def : ProcessorModel<"neoverse-512tvb", NeoverseN2Model,
                      ProcessorFeatures.Neoverse512TVB, [TuneNeoverse512TVB]>;
-def : ProcessorModel<"neoverse-v1", CortexA57Model,
+def : ProcessorModel<"neoverse-v1", NeoverseN2Model,
                      ProcessorFeatures.NeoverseV1, [TuneNeoverseV1]>;
 def : ProcessorModel<"exynos-m3", ExynosM3Model, ProcessorFeatures.ExynosM3,
                      [TuneExynosM3]>;