1 //===- SPUCallingConv.td - Calling Conventions for CellSPU -*- 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 // 10 // This describes the calling conventions for the STI Cell SPU architecture. 11 // 12 //===----------------------------------------------------------------------===// 13 14 //===----------------------------------------------------------------------===// 15 // Return Value Calling Convention 16 //===----------------------------------------------------------------------===// 17 18 // Return-value convention for Cell SPU: return value to be passed in reg 3-74 19 def RetCC_SPU : CallingConv<[ 20 CCIfType<[i8,i16,i32,i64,i128,f32,f64,v16i8,v8i16,v4i32,v2i64,v4f32,v2f64], 21 CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11, 22 R12, R13, R14, R15, R16, R17, R18, R19, R20, 23 R21, R22, R23, R24, R25, R26, R27, R28, R29, 24 R30, R31, R32, R33, R34, R35, R36, R37, R38, 25 R39, R40, R41, R42, R43, R44, R45, R46, R47, 26 R48, R49, R50, R51, R52, R53, R54, R55, R56, 27 R57, R58, R59, R60, R61, R62, R63, R64, R65, 28 R66, R67, R68, R69, R70, R71, R72, R73, R74]>> 29 ]>; 30 31 32 //===----------------------------------------------------------------------===// 33 // CellSPU Argument Calling Conventions 34 //===----------------------------------------------------------------------===// 35 def CCC_SPU : CallingConv<[ 36 CCIfType<[i8, i16, i32, i64, i128, f32, f64, 37 v16i8, v8i16, v4i32, v4f32, v2i64, v2f64], 38 CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11, 39 R12, R13, R14, R15, R16, R17, R18, R19, R20, 40 R21, R22, R23, R24, R25, R26, R27, R28, R29, 41 R30, R31, R32, R33, R34, R35, R36, R37, R38, 42 R39, R40, R41, R42, R43, R44, R45, R46, R47, 43 R48, R49, R50, R51, R52, R53, R54, R55, R56, 44 R57, R58, R59, R60, R61, R62, R63, R64, R65, 45 R66, R67, R68, R69, R70, R71, R72, R73, R74]>>, 46 // Integer/FP values get stored in stack slots that are 8 bytes in size and 47 // 8-byte aligned if there are no more registers to hold them. 48 CCIfType<[i32, i64, f32, f64], CCAssignToStack<8, 8>>, 49 50 // Vectors get 16-byte stack slots that are 16-byte aligned. 51 CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], 52 CCAssignToStack<16, 16>> 53 ]>; 54
