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-rw-r--r--lib/Target/ARM/ARM.td33
1 files changed, 30 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARM.td b/lib/Target/ARM/ARM.td
index 21e0c50..a99dbfb 100644
--- a/lib/Target/ARM/ARM.td
+++ b/lib/Target/ARM/ARM.td
@@ -16,6 +16,7 @@
include "llvm/Target/Target.td"
+
//===----------------------------------------------------------------------===//
// ARM Subtarget features.
//
@@ -63,6 +64,9 @@ def FeatureNEONForFP : SubtargetFeature<"neonfp", "UseNEONForSinglePrecisionFP",
def FeaturePref32BitThumb : SubtargetFeature<"32bit", "Pref32BitThumb", "true",
"Prefer 32-bit Thumb instrs">;
+// Multiprocessing extension.
+def FeatureMP : SubtargetFeature<"mp", "HasMPExtension", "true",
+ "Supports Multiprocessing extension">;
// ARM architectures.
def ArchV4T : SubtargetFeature<"v4t", "ARMArchVersion", "V4T",
@@ -93,6 +97,15 @@ def ArchV7M : SubtargetFeature<"v7m", "ARMArchVersion", "V7M",
include "ARMSchedule.td"
+// ARM processor families.
+def ProcOthers : SubtargetFeature<"others", "ARMProcFamily", "Others",
+ "One of the other ARM processor families">;
+def ProcA8 : SubtargetFeature<"a8", "ARMProcFamily", "CortexA8",
+ "Cortex-A8 ARM processors",
+ [FeatureSlowFPBrcc, FeatureNEONForFP]>;
+def ProcA9 : SubtargetFeature<"a9", "ARMProcFamily", "CortexA9",
+ "Cortex-A9 ARM processors">;
+
class ProcNoItin<string Name, list<SubtargetFeature> Features>
: Processor<Name, GenericItineraries, Features>;
@@ -152,10 +165,11 @@ def : Processor<"arm1156t2f-s", ARMV6Itineraries, [ArchV6T2, FeatureVFP2]>;
// V7 Processors.
def : Processor<"cortex-a8", CortexA8Itineraries,
- [ArchV7A, FeatureHasSlowVMLx,
- FeatureSlowFPBrcc, FeatureNEONForFP, FeatureT2XtPk]>;
+ [ArchV7A, ProcA8,
+ FeatureHasSlowVMLx, FeatureT2XtPk]>;
def : Processor<"cortex-a9", CortexA9Itineraries,
- [ArchV7A, FeatureT2XtPk]>;
+ [ArchV7A, ProcA9,
+ FeatureHasSlowVMLx, FeatureT2XtPk]>;
// V7M Processors.
def : ProcNoItin<"cortex-m3", [ArchV7M]>;
@@ -177,6 +191,17 @@ include "ARMInstrInfo.td"
def ARMInstrInfo : InstrInfo;
+
+//===----------------------------------------------------------------------===//
+// Assembly printer
+//===----------------------------------------------------------------------===//
+// ARM Uses the MC printer for asm output, so make sure the TableGen
+// AsmWriter bits get associated with the correct class.
+def ARMAsmWriter : AsmWriter {
+ string AsmWriterClassName = "InstPrinter";
+ bit isMCAsmWriter = 1;
+}
+
//===----------------------------------------------------------------------===//
// Declare the target which we are implementing
//===----------------------------------------------------------------------===//
@@ -184,4 +209,6 @@ def ARMInstrInfo : InstrInfo;
def ARM : Target {
// Pull in Instruction Info:
let InstructionSet = ARMInstrInfo;
+
+ let AssemblyWriters = [ARMAsmWriter];
}