1 //===- MBlazeCallingConv.td - Calling Conventions for MBlaze -*- tablegen -*-=// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // This describes the calling conventions for MBlaze architecture. 10 //===----------------------------------------------------------------------===// 11 12 /// CCIfSubtarget - Match if the current subtarget has a feature F. 13 class CCIfSubtarget<string F, CCAction A>: 14 CCIf<!strconcat("State.getTarget().getSubtarget<MBlazeSubtarget>().", F), A>; 15 16 //===----------------------------------------------------------------------===// 17 // MBlaze ABI Calling Convention 18 //===----------------------------------------------------------------------===// 19 20 def RetCC_MBlaze : CallingConv<[ 21 // i32 are returned in registers R3, R4 22 CCIfType<[i32,f32], CCAssignToReg<[R3, R4]>> 23 ]>; 24 25 def CC_MBlaze : CallingConv<[ 26 CCIfType<[i32,f32], CCCustom<"CC_MBlaze_AssignReg">>, 27 CCIfType<[i32,f32], CCAssignToStack<4, 4>> 28 ]>; 29