From b1b66e7a250b3fbcd2225bfff41a7043e0d37a4d Mon Sep 17 00:00:00 2001
From: Quentin Colombet <qcolombet@apple.com>
Date: Fri, 21 Dec 2012 04:35:05 +0000
Subject: [PATCH] Add ARM cortex-r5 subtarget.

llvm-svn: 170840
---
 llvm/lib/Target/ARM/ARM.td         | 11 +++++++++++
 llvm/lib/Target/ARM/ARMSubtarget.h |  3 ++-
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/llvm/lib/Target/ARM/ARM.td b/llvm/lib/Target/ARM/ARM.td
index 45a65fd6f103..a76715a092f4 100644
--- a/llvm/lib/Target/ARM/ARM.td
+++ b/llvm/lib/Target/ARM/ARM.td
@@ -164,6 +164,12 @@ def ProcA15      : SubtargetFeature<"a15", "ARMProcFamily", "CortexA15",
                                    "Cortex-A15 ARM processors",
                                    [FeatureT2XtPk, FeatureFP16,
                                     FeatureAvoidPartialCPSR]>;
+def ProcR5      : SubtargetFeature<"r5", "ARMProcFamily", "CortexR5",
+                                   "Cortex-R5 ARM processors",
+                                   [FeatureSlowFPBrcc, FeatureHWDivARM,
+                                    FeatureHasSlowFPVMLx,
+                                    FeatureAvoidPartialCPSR,
+                                    FeatureT2XtPk]>;
 
 class ProcNoItin<string Name, list<SubtargetFeature> Features>
  : Processor<Name, NoItineraries, Features>;
@@ -248,6 +254,11 @@ def : ProcessorModel<"cortex-a9-mp", CortexA9Model,
 def : ProcessorModel<"cortex-a15",   CortexA9Model,
                                     [ProcA15, HasV7Ops, FeatureNEON, FeatureDB,
                                      FeatureDSPThumb2, FeatureHasRAS]>;
+// FIXME: R5 has currently the same ProcessorModel as A8.
+def : ProcessorModel<"cortex-r5",   CortexA8Model,
+                                    [ProcR5, HasV7Ops, FeatureDB,
+                                     FeatureVFP3, FeatureDSPThumb2,
+                                     FeatureHasRAS]>;
 
 // V7M Processors.
 def : ProcNoItin<"cortex-m3",       [HasV7Ops,
diff --git a/llvm/lib/Target/ARM/ARMSubtarget.h b/llvm/lib/Target/ARM/ARMSubtarget.h
index b96e738a6cee..64878cd9ba18 100644
--- a/llvm/lib/Target/ARM/ARMSubtarget.h
+++ b/llvm/lib/Target/ARM/ARMSubtarget.h
@@ -30,7 +30,7 @@ class StringRef;
 class ARMSubtarget : public ARMGenSubtargetInfo {
 protected:
   enum ARMProcFamilyEnum {
-    Others, CortexA5, CortexA8, CortexA9, CortexA15, Swift
+    Others, CortexA5, CortexA8, CortexA9, CortexA15, CortexR5, Swift
   };
 
   /// ARMProcFamily - ARM processor family: Cortex-A8, Cortex-A9, and others.
@@ -215,6 +215,7 @@ protected:
   bool isSwift()    const { return ARMProcFamily == Swift; }
   bool isCortexM3() const { return CPUString == "cortex-m3"; }
   bool isLikeA9() const { return isCortexA9() || isCortexA15(); }
+  bool isCortexR5() const { return ARMProcFamily == CortexR5; }
 
   bool hasARMOps() const { return !NoARM; }