It's not necessary to do rounding for alloca operations when the requested
alignment is equal to the stack alignment.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@40004 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARM.td b/lib/Target/ARM/ARM.td
new file mode 100644
index 0000000..0272004
--- /dev/null
+++ b/lib/Target/ARM/ARM.td
@@ -0,0 +1,119 @@
+//===- ARM.td - Describe the ARM Target Machine -----------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file was developed by the "Instituto Nokia de Tecnologia" and
+// is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+//
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+// Target-independent interfaces which we are implementing
+//===----------------------------------------------------------------------===//
+
+include "../Target.td"
+
+//===----------------------------------------------------------------------===//
+// ARM Subtarget features.
+//
+
+def ArchV4T : SubtargetFeature<"v4t", "ARMArchVersion", "V4T",
+ "ARM v4T">;
+def ArchV5T : SubtargetFeature<"v5t", "ARMArchVersion", "V5T",
+ "ARM v5T">;
+def ArchV5TE : SubtargetFeature<"v5te", "ARMArchVersion", "V5TE",
+ "ARM v5TE, v5TEj, v5TExp">;
+def ArchV6 : SubtargetFeature<"v6", "ARMArchVersion", "V6",
+ "ARM v6">;
+def FeatureVFP2 : SubtargetFeature<"vfp2", "HasVFP2", "true",
+ "Enable VFP2 instructions ">;
+
+//===----------------------------------------------------------------------===//
+// ARM Processors supported.
+//
+
+class Proc<string Name, list<SubtargetFeature> Features>
+ : Processor<Name, NoItineraries, Features>;
+
+// V4 Processors.
+def : Proc<"generic", []>;
+def : Proc<"arm8", []>;
+def : Proc<"arm810", []>;
+def : Proc<"strongarm", []>;
+def : Proc<"strongarm110", []>;
+def : Proc<"strongarm1100", []>;
+def : Proc<"strongarm1110", []>;
+
+// V4T Processors.
+def : Proc<"arm7tdmi", [ArchV4T]>;
+def : Proc<"arm7tdmi-s", [ArchV4T]>;
+def : Proc<"arm710t", [ArchV4T]>;
+def : Proc<"arm720t", [ArchV4T]>;
+def : Proc<"arm9", [ArchV4T]>;
+def : Proc<"arm9tdmi", [ArchV4T]>;
+def : Proc<"arm920", [ArchV4T]>;
+def : Proc<"arm920t", [ArchV4T]>;
+def : Proc<"arm922t", [ArchV4T]>;
+def : Proc<"arm940t", [ArchV4T]>;
+def : Proc<"ep9312", [ArchV4T]>;
+
+// V5T Processors.
+def : Proc<"arm10tdmi", [ArchV5T]>;
+def : Proc<"arm1020t", [ArchV5T]>;
+
+// V5TE Processors.
+def : Proc<"arm9e", [ArchV5TE]>;
+def : Proc<"arm926ej-s", [ArchV5TE]>;
+def : Proc<"arm946e-s", [ArchV5TE]>;
+def : Proc<"arm966e-s", [ArchV5TE]>;
+def : Proc<"arm968e-s", [ArchV5TE]>;
+def : Proc<"arm10e", [ArchV5TE]>;
+def : Proc<"arm1020e", [ArchV5TE]>;
+def : Proc<"arm1022e", [ArchV5TE]>;
+def : Proc<"xscale", [ArchV5TE]>;
+def : Proc<"iwmmxt", [ArchV5TE]>;
+
+// V6 Processors.
+def : Proc<"arm1136j-s", [ArchV6]>;
+def : Proc<"arm1136jf-s", [ArchV6, FeatureVFP2]>;
+def : Proc<"arm1176jz-s", [ArchV6]>;
+def : Proc<"arm1176jzf-s", [ArchV6, FeatureVFP2]>;
+def : Proc<"mpcorenovfp", [ArchV6]>;
+def : Proc<"mpcore", [ArchV6, FeatureVFP2]>;
+
+//===----------------------------------------------------------------------===//
+// Register File Description
+//===----------------------------------------------------------------------===//
+
+include "ARMRegisterInfo.td"
+
+//===----------------------------------------------------------------------===//
+// Instruction Descriptions
+//===----------------------------------------------------------------------===//
+
+include "ARMInstrInfo.td"
+
+def ARMInstrInfo : InstrInfo {
+ // Define how we want to layout our target-specific information field.
+ let TSFlagsFields = ["AddrModeBits",
+ "SizeFlag",
+ "IndexModeBits",
+ "Opcode"];
+ let TSFlagsShifts = [0,
+ 4,
+ 7,
+ 9];
+}
+
+//===----------------------------------------------------------------------===//
+// Declare the target which we are implementing
+//===----------------------------------------------------------------------===//
+
+def ARM : Target {
+ // Pull in Instruction Info:
+ let InstructionSet = ARMInstrInfo;
+}