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thirdparty/capstone/arch/TriCore/TriCoreCallingConv.td

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+//=- TriCoreCallingConv.td - Calling Conventions for TriCore -*- tablegen -*-=//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+// This describes the calling conventions for TriCore architecture.
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+// CCDelegate implemented form TriCore LLVM Thesis
+//===----------------------------------------------------------------------===//
+//def CC_TriCore_StackModel : CallingConv<[
+//CCAssignToStack<4, 4>
+//]>;
+
+//===----------------------------------------------------------------------===//
+// TriCore Return Value Calling Convention
+//===----------------------------------------------------------------------===//
+def RetCC_TriCore : CallingConv<[
+  // Promote i8/i16 arguments to i32.
+  CCIfType<[i8, i16], CCPromoteToType<i32>>,
+  
+  // i32 are returned in registers D2
+  CCIfType<[i32], CCAssignToReg<[D2]>>,
+
+  // Integer values get stored in stack slots that are 4 bytes in
+  // size and 4-byte aligned.
+  CCIfType<[i32], CCAssignToStack<4, 4>>
+]>;
+
+//===----------------------------------------------------------------------===//
+// TriCore Argument Calling Conventions
+//===----------------------------------------------------------------------===//
+def CC_TriCore : CallingConv<[
+  // Promote i8/i16 arguments to i32.
+  CCIfType<[i8, i16], CCPromoteToType<i32>>,
+
+	
+	// The first 4 integer arguments are passed in integer registers.
+	//	CCIfType<[i32], CCAssignToReg<[D4, D5, D6, D7]>>,
+	
+	//CCIfType<[i32], CCAssignToReg<[A4, A5, A6, A7]>>,
+	
+	// Pointer arguments are handled inside TriCoreIselLowering, because
+	// LLVM lowers i32** type into i32, hence there is no way to distingusish
+	// between a pointer type and an integer type.
+	
+
+	
+	
+  //CCDelegateTo<CC_TriCore_StackModel>
+  
+  // Integer values get stored in stack slots that are 4 bytes in
+  // size and 4-byte aligned.
+  CCIfType<[i32], CCAssignToStack<4, 4>>
+]>;
+
+//def CC_Save : CalleeSavedRegs<(add R4, R5, R6, R7, R8, R9)>;