[ARM] Split A/R class into separate subtarget features.

[oota-llvm.git] / lib / Target / ARM / ARM.td

diff --git a/lib/Target/ARM/ARM.td b/lib/Target/ARM/ARM.td
index c9d71bd1ec87de692e05fffe104037700e526d45..21d1c5b18156e9cb0145a9c6030a1c109d04c5bc 100644 (file)
--- a/lib/Target/ARM/ARM.td
+++ b/lib/Target/ARM/ARM.td
@@ -117,10 +117,18 @@ def FeatureDSPThumb2 : SubtargetFeature<"t2dsp", "Thumb2DSP", "true",
 def FeatureMP : SubtargetFeature<"mp", "HasMPExtension", "true",
                                  "Supports Multiprocessing extension">;
 
-// M-series ISA?
-def FeatureMClass : SubtargetFeature<"mclass", "IsMClass", "true",
+// M-series ISA
+def FeatureMClass : SubtargetFeature<"mclass", "ARMProcClass", "MClass",
                                      "Is microcontroller profile ('M' series)">;
 
+// R-series ISA
+def FeatureRClass : SubtargetFeature<"rclass", "ARMProcClass", "RClass",
+                                     "Is realtime profile ('R' series)">;
+
+// A-series ISA
+def FeatureAClass : SubtargetFeature<"aclass", "ARMProcClass", "AClass",
+                                     "Is application profile ('A' series)">;
+
 // Special TRAP encoding for NaCl, which looks like a TRAP in Thumb too.
 // See ARMInstrInfo.td for details.
 def FeatureNaClTrap : SubtargetFeature<"nacl-trap", "UseNaClTrap", "true",
@@ -261,26 +269,29 @@ def : Processor<"arm1156t2f-s",     ARMV6Itineraries, [HasV6T2Ops, FeatureVFP2,
 def : ProcessorModel<"cortex-a5",   CortexA8Model,
                                     [ProcA5, HasV7Ops, FeatureNEON, FeatureDB,
                                      FeatureVFP4, FeatureDSPThumb2,
-                                     FeatureHasRAS]>;
+                                     FeatureHasRAS, FeatureAClass]>;
 def : ProcessorModel<"cortex-a8",   CortexA8Model,
                                     [ProcA8, HasV7Ops, FeatureNEON, FeatureDB,
-                                     FeatureDSPThumb2, FeatureHasRAS]>;
+                                     FeatureDSPThumb2, FeatureHasRAS,
+                                     FeatureAClass]>;
 def : ProcessorModel<"cortex-a9",   CortexA9Model,
                                     [ProcA9, HasV7Ops, FeatureNEON, FeatureDB,
-                                     FeatureDSPThumb2, FeatureHasRAS]>;
+                                     FeatureDSPThumb2, FeatureHasRAS,
+                                     FeatureAClass]>;
 def : ProcessorModel<"cortex-a9-mp", CortexA9Model,
                                     [ProcA9, HasV7Ops, FeatureNEON, FeatureDB,
                                      FeatureDSPThumb2, FeatureMP,
-                                     FeatureHasRAS]>;
+                                     FeatureHasRAS, FeatureAClass]>;
 // FIXME: A15 has currently the same ProcessorModel as A9.
 def : ProcessorModel<"cortex-a15",   CortexA9Model,
                                     [ProcA15, HasV7Ops, FeatureNEON, FeatureDB,
-                                     FeatureDSPThumb2, FeatureHasRAS]>;
+                                     FeatureDSPThumb2, FeatureHasRAS,
+                                     FeatureAClass]>;
 // FIXME: R5 has currently the same ProcessorModel as A8.
 def : ProcessorModel<"cortex-r5",   CortexA8Model,
                                     [ProcR5, HasV7Ops, FeatureDB,
                                      FeatureVFP3, FeatureDSPThumb2,
-                                     FeatureHasRAS]>;
+                                     FeatureHasRAS, FeatureRClass]>;
 
 // V7M Processors.
 def : ProcNoItin<"cortex-m3",       [HasV7Ops,
@@ -298,10 +309,10 @@ def : ProcNoItin<"cortex-m4",       [HasV7Ops,
 def : ProcessorModel<"swift",       SwiftModel,
                                     [ProcSwift, HasV7Ops, FeatureNEON,
                                      FeatureDB, FeatureDSPThumb2,
-                                     FeatureHasRAS]>;
+                                     FeatureHasRAS, FeatureAClass]>;
 
 // V8 Processors
-def : ProcNoItin<"cortex-a53",      [HasV8Ops]>;
+def : ProcNoItin<"cortex-a53",      [HasV8Ops, FeatureAClass]>;
 
 //===----------------------------------------------------------------------===//
 // Register File Description