| //===- SPUCallingConv.td - Calling Conventions for CellSPU -*- 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 the STI Cell SPU architecture. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| /// CCIfSubtarget - Match if the current subtarget has a feature F. |
| class CCIfSubtarget<string F, CCAction A> |
| : CCIf<!strconcat("State.getTarget().getSubtarget<PPCSubtarget>().", F), A>; |
| |
| //===----------------------------------------------------------------------===// |
| // Return Value Calling Convention |
| //===----------------------------------------------------------------------===// |
| |
| // Return-value convention for Cell SPU: return value to be passed in reg 3-74 |
| def RetCC_SPU : CallingConv<[ |
| CCIfType<[i8,i16,i32,i64,i128,f32,f64,v16i8,v8i16,v4i32,v2i64,v4f32,v2f64], |
| CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11, |
| R12, R13, R14, R15, R16, R17, R18, R19, R20, |
| R21, R22, R23, R24, R25, R26, R27, R28, R29, |
| R30, R31, R32, R33, R34, R35, R36, R37, R38, |
| R39, R40, R41, R42, R43, R44, R45, R46, R47, |
| R48, R49, R50, R51, R52, R53, R54, R55, R56, |
| R57, R58, R59, R60, R61, R62, R63, R64, R65, |
| R66, R67, R68, R69, R70, R71, R72, R73, R74]>> |
| ]>; |
| |
| |
| //===----------------------------------------------------------------------===// |
| // CellSPU Argument Calling Conventions |
| //===----------------------------------------------------------------------===// |
| def CCC_SPU : CallingConv<[ |
| CCIfType<[i8, i16, i32, i64, i128, f32, f64, |
| v16i8, v8i16, v4i32, v4f32, v2i64, v2f64], |
| CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11, |
| R12, R13, R14, R15, R16, R17, R18, R19, R20, |
| R21, R22, R23, R24, R25, R26, R27, R28, R29, |
| R30, R31, R32, R33, R34, R35, R36, R37, R38, |
| R39, R40, R41, R42, R43, R44, R45, R46, R47, |
| R48, R49, R50, R51, R52, R53, R54, R55, R56, |
| R57, R58, R59, R60, R61, R62, R63, R64, R65, |
| R66, R67, R68, R69, R70, R71, R72, R73, R74]>>, |
| // Integer/FP values get stored in stack slots that are 8 bytes in size and |
| // 8-byte aligned if there are no more registers to hold them. |
| CCIfType<[i32, i64, f32, f64], CCAssignToStack<8, 8>>, |
| |
| // Vectors get 16-byte stack slots that are 16-byte aligned. |
| CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], |
| CCAssignToStack<16, 16>> |
| ]>; |
