[ARM] Refactor Exynos feature set (NFC)

Since all Exynos processors share the same feature set, fold them in the
implied fatures list for the subtarget.

llvm-svn: 342583

diff --git a/llvm/lib/Target/ARM/ARM.td b/llvm/lib/Target/ARM/ARM.td
index 2d0f270..c42a4eb 100644 (file)
--- a/llvm/lib/Target/ARM/ARM.td
+++ b/llvm/lib/Target/ARM/ARM.td
@@ -494,8 +494,23 @@ def ProcKryo    : SubtargetFeature<"kryo", "ARMProcFamily", "Kryo",
 def ProcSwift   : SubtargetFeature<"swift", "ARMProcFamily", "Swift",
                                    "Swift ARM processors", []>;
 
-def ProcExynosM1 : SubtargetFeature<"exynosm1", "ARMProcFamily", "ExynosM1",
-                                    "Samsung Exynos-Mx processors", []>;
+def ProcExynos  : SubtargetFeature<"exynos", "ARMProcFamily", "Exynos",
+                                   "Samsung Exynos processors",
+                                   [FeatureZCZeroing,
+                                    FeatureUseWideStrideVFP,
+                                    FeatureUseAA,
+                                    FeatureSplatVFPToNeon,
+                                    FeatureSlowVGETLNi32,
+                                    FeatureSlowVDUP32,
+                                    FeatureSlowFPBrcc,
+                                    FeatureProfUnpredicate,
+                                    FeatureHWDivThumb,
+                                    FeatureHWDivARM,
+                                    FeatureHasSlowFPVMLx,
+                                    FeatureHasRetAddrStack,
+                                    FeatureExpandMLx,
+                                    FeatureCrypto,
+                                    FeatureCRC]>;
 
 def ProcR4      : SubtargetFeature<"r4", "ARMProcFamily", "CortexR4",
                                    "Cortex-R4 ARM processors", []>;
@@ -1033,73 +1048,10 @@ def : ProcessorModel<"cyclone",     SwiftModel,         [ARMv8a, ProcSwift,
                                                          FeatureZCZeroing,
                                                          FeatureNoPostRASched]>;
 
-def : ProcNoItin<"exynos-m1",                           [ARMv8a, ProcExynosM1,
-                                                         FeatureZCZeroing,
-                                                         FeatureUseWideStrideVFP,
-                                                         FeatureUseAA,
-                                                         FeatureSplatVFPToNeon,
-                                                         FeatureSlowVGETLNi32,
-                                                         FeatureSlowVDUP32,
-                                                         FeatureSlowFPBrcc,
-                                                         FeatureProfUnpredicate,
-                                                         FeatureHWDivThumb,
-                                                         FeatureHWDivARM,
-                                                         FeatureHasSlowFPVMLx,
-                                                         FeatureHasRetAddrStack,
-                                                         FeatureExpandMLx,
-                                                         FeatureCrypto,
-                                                         FeatureCRC]>;
-
-def : ProcNoItin<"exynos-m2",                           [ARMv8a, ProcExynosM1,
-                                                         FeatureZCZeroing,
-                                                         FeatureUseWideStrideVFP,
-                                                         FeatureUseAA,
-                                                         FeatureSplatVFPToNeon,
-                                                         FeatureSlowVGETLNi32,
-                                                         FeatureSlowVDUP32,
-                                                         FeatureSlowFPBrcc,
-                                                         FeatureProfUnpredicate,
-                                                         FeatureHWDivThumb,
-                                                         FeatureHWDivARM,
-                                                         FeatureHasSlowFPVMLx,
-                                                         FeatureHasRetAddrStack,
-                                                         FeatureExpandMLx,
-                                                         FeatureCrypto,
-                                                         FeatureCRC]>;
-
-def : ProcNoItin<"exynos-m3",                           [ARMv8a, ProcExynosM1,
-                                                         FeatureZCZeroing,
-                                                         FeatureUseWideStrideVFP,
-                                                         FeatureUseAA,
-                                                         FeatureSplatVFPToNeon,
-                                                         FeatureSlowVGETLNi32,
-                                                         FeatureSlowVDUP32,
-                                                         FeatureSlowFPBrcc,
-                                                         FeatureProfUnpredicate,
-                                                         FeatureHWDivThumb,
-                                                         FeatureHWDivARM,
-                                                         FeatureHasSlowFPVMLx,
-                                                         FeatureHasRetAddrStack,
-                                                         FeatureExpandMLx,
-                                                         FeatureCrypto,
-                                                         FeatureCRC]>;
-
-def : ProcNoItin<"exynos-m4",                           [ARMv8a, ProcExynosM1,
-                                                         FeatureZCZeroing,
-                                                         FeatureUseWideStrideVFP,
-                                                         FeatureUseAA,
-                                                         FeatureSplatVFPToNeon,
-                                                         FeatureSlowVGETLNi32,
-                                                         FeatureSlowVDUP32,
-                                                         FeatureSlowFPBrcc,
-                                                         FeatureProfUnpredicate,
-                                                         FeatureHWDivThumb,
-                                                         FeatureHWDivARM,
-                                                         FeatureHasSlowFPVMLx,
-                                                         FeatureHasRetAddrStack,
-                                                         FeatureExpandMLx,
-                                                         FeatureCrypto,
-                                                         FeatureCRC]>;
+def : ProcNoItin<"exynos-m1",                           [ARMv8a, ProcExynos]>;
+def : ProcNoItin<"exynos-m2",                           [ARMv8a, ProcExynos]>;
+def : ProcNoItin<"exynos-m3",                           [ARMv8a, ProcExynos]>;
+def : ProcNoItin<"exynos-m4",                           [ARMv8a, ProcExynos]>;
 
 def : ProcNoItin<"kryo",                                [ARMv8a, ProcKryo,
                                                          FeatureHWDivThumb,

diff --git a/llvm/lib/Target/ARM/ARMSubtarget.cpp b/llvm/lib/Target/ARM/ARMSubtarget.cpp
index 07dfce9..36701af 100644 (file)
--- a/llvm/lib/Target/ARM/ARMSubtarget.cpp
+++ b/llvm/lib/Target/ARM/ARMSubtarget.cpp
@@ -287,7 +287,7 @@ void ARMSubtarget::initSubtargetFeatures(StringRef CPU, StringRef FS) {
   case CortexR7:
   case CortexM3:
   case CortexR52:
-  case ExynosM1:
+  case Exynos:
   case Kryo:
     break;
   case Krait:

diff --git a/llvm/lib/Target/ARM/ARMSubtarget.h b/llvm/lib/Target/ARM/ARMSubtarget.h
index 34938c3..3ac2545 100644 (file)
--- a/llvm/lib/Target/ARM/ARMSubtarget.h
+++ b/llvm/lib/Target/ARM/ARMSubtarget.h
@@ -68,7 +68,7 @@ protected:
     CortexR5,
     CortexR52,
     CortexR7,
-    ExynosM1,
+    Exynos,
     Krait,
     Kryo,
     Swift