Scott Michel | 266bc8f | 2007-12-04 22:23:35 +0000 | [diff] [blame] | 1 | //===- SPUCallingConv.td - Calling Conventions for CellSPU ------*- C++ -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
Chris Lattner | 4ee451d | 2007-12-29 20:36:04 +0000 | [diff] [blame] | 5 | // This file is distributed under the University of Illinois Open Source |
| 6 | // License. See LICENSE.TXT for details. |
Scott Michel | 266bc8f | 2007-12-04 22:23:35 +0000 | [diff] [blame] | 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | // |
| 10 | // This describes the calling conventions for the STI Cell SPU architecture. |
| 11 | // |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | |
| 14 | /// CCIfSubtarget - Match if the current subtarget has a feature F. |
| 15 | class CCIfSubtarget<string F, CCAction A> |
| 16 | : CCIf<!strconcat("State.getTarget().getSubtarget<PPCSubtarget>().", F), A>; |
| 17 | |
| 18 | //===----------------------------------------------------------------------===// |
| 19 | // Return Value Calling Convention |
| 20 | //===----------------------------------------------------------------------===// |
| 21 | |
| 22 | // Return-value convention for Cell SPU: Everything can be passed back via $3: |
| 23 | def RetCC_SPU : CallingConv<[ |
Scott Michel | b30e8f6 | 2008-12-02 19:53:53 +0000 | [diff] [blame^] | 24 | CCIfType<[i8], CCAssignToReg<[R3]>>, |
| 25 | CCIfType<[i16], CCAssignToReg<[R3]>>, |
Scott Michel | 266bc8f | 2007-12-04 22:23:35 +0000 | [diff] [blame] | 26 | CCIfType<[i32], CCAssignToReg<[R3]>>, |
| 27 | CCIfType<[i64], CCAssignToReg<[R3]>>, |
| 28 | CCIfType<[f32, f64], CCAssignToReg<[R3]>>, |
| 29 | CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], CCAssignToReg<[R3]>> |
| 30 | ]>; |
| 31 | |
| 32 | |
| 33 | //===----------------------------------------------------------------------===// |
| 34 | // CellSPU Argument Calling Conventions |
Scott Michel | b30e8f6 | 2008-12-02 19:53:53 +0000 | [diff] [blame^] | 35 | // (note: this isn't used, but presumably should be at some point when other |
| 36 | // targets do.) |
Scott Michel | 266bc8f | 2007-12-04 22:23:35 +0000 | [diff] [blame] | 37 | //===----------------------------------------------------------------------===// |
| 38 | /* |
| 39 | def CC_SPU : CallingConv<[ |
Scott Michel | b30e8f6 | 2008-12-02 19:53:53 +0000 | [diff] [blame^] | 40 | CCIfType<[i8], CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11, |
| 41 | R12, R13, R14, R15, R16, R17, R18, R19, R20, |
| 42 | R21, R22, R23, R24, R25, R26, R27, R28, R29, |
| 43 | R30, R31, R32, R33, R34, R35, R36, R37, R38, |
| 44 | R39, R40, R41, R42, R43, R44, R45, R46, R47, |
| 45 | R48, R49, R50, R51, R52, R53, R54, R55, R56, |
| 46 | R57, R58, R59, R60, R61, R62, R63, R64, R65, |
| 47 | R66, R67, R68, R69, R70, R71, R72, R73, R74, |
| 48 | R75, R76, R77, R78, R79]>>, |
| 49 | CCIfType<[i16], CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11, |
| 50 | R12, R13, R14, R15, R16, R17, R18, R19, R20, |
| 51 | R21, R22, R23, R24, R25, R26, R27, R28, R29, |
| 52 | R30, R31, R32, R33, R34, R35, R36, R37, R38, |
| 53 | R39, R40, R41, R42, R43, R44, R45, R46, R47, |
| 54 | R48, R49, R50, R51, R52, R53, R54, R55, R56, |
| 55 | R57, R58, R59, R60, R61, R62, R63, R64, R65, |
| 56 | R66, R67, R68, R69, R70, R71, R72, R73, R74, |
| 57 | R75, R76, R77, R78, R79]>>, |
| 58 | CCIfType<[i32], CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11, |
| 59 | R12, R13, R14, R15, R16, R17, R18, R19, R20, |
| 60 | R21, R22, R23, R24, R25, R26, R27, R28, R29, |
| 61 | R30, R31, R32, R33, R34, R35, R36, R37, R38, |
| 62 | R39, R40, R41, R42, R43, R44, R45, R46, R47, |
| 63 | R48, R49, R50, R51, R52, R53, R54, R55, R56, |
| 64 | R57, R58, R59, R60, R61, R62, R63, R64, R65, |
| 65 | R66, R67, R68, R69, R70, R71, R72, R73, R74, |
| 66 | R75, R76, R77, R78, R79]>>, |
| 67 | CCIfType<[f32], CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11, |
| 68 | R12, R13, R14, R15, R16, R17, R18, R19, R20, |
| 69 | R21, R22, R23, R24, R25, R26, R27, R28, R29, |
| 70 | R30, R31, R32, R33, R34, R35, R36, R37, R38, |
| 71 | R39, R40, R41, R42, R43, R44, R45, R46, R47, |
| 72 | R48, R49, R50, R51, R52, R53, R54, R55, R56, |
| 73 | R57, R58, R59, R60, R61, R62, R63, R64, R65, |
| 74 | R66, R67, R68, R69, R70, R71, R72, R73, R74, |
| 75 | R75, R76, R77, R78, R79]>>, |
| 76 | CCIfType<[i64], CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11, |
| 77 | R12, R13, R14, R15, R16, R17, R18, R19, R20, |
| 78 | R21, R22, R23, R24, R25, R26, R27, R28, R29, |
| 79 | R30, R31, R32, R33, R34, R35, R36, R37, R38, |
| 80 | R39, R40, R41, R42, R43, R44, R45, R46, R47, |
| 81 | R48, R49, R50, R51, R52, R53, R54, R55, R56, |
| 82 | R57, R58, R59, R60, R61, R62, R63, R64, R65, |
| 83 | R66, R67, R68, R69, R70, R71, R72, R73, R74, |
| 84 | R75, R76, R77, R78, R79]>>, |
| 85 | CCIfType<[f64], CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11, |
| 86 | R12, R13, R14, R15, R16, R17, R18, R19, R20, |
| 87 | R21, R22, R23, R24, R25, R26, R27, R28, R29, |
| 88 | R30, R31, R32, R33, R34, R35, R36, R37, R38, |
| 89 | R39, R40, R41, R42, R43, R44, R45, R46, R47, |
| 90 | R48, R49, R50, R51, R52, R53, R54, R55, R56, |
| 91 | R57, R58, R59, R60, R61, R62, R63, R64, R65, |
| 92 | R66, R67, R68, R69, R70, R71, R72, R73, R74, |
| 93 | R75, R76, R77, R78, R79]>>, |
| 94 | CCIfType<[v16i8, v8i16, v4i32, v4f32, v2i64, v2f64], |
| 95 | CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11, |
| 96 | R12, R13, R14, R15, R16, R17, R18, R19, R20, |
| 97 | R21, R22, R23, R24, R25, R26, R27, R28, R29, |
| 98 | R30, R31, R32, R33, R34, R35, R36, R37, R38, |
| 99 | R39, R40, R41, R42, R43, R44, R45, R46, R47, |
| 100 | R48, R49, R50, R51, R52, R53, R54, R55, R56, |
| 101 | R57, R58, R59, R60, R61, R62, R63, R64, R65, |
| 102 | R66, R67, R68, R69, R70, R71, R72, R73, R74, |
| 103 | R75, R76, R77, R78, R79]>>, |
Scott Michel | 266bc8f | 2007-12-04 22:23:35 +0000 | [diff] [blame] | 104 | |
Scott Michel | 266bc8f | 2007-12-04 22:23:35 +0000 | [diff] [blame] | 105 | // Integer/FP values get stored in stack slots that are 8 bytes in size and |
| 106 | // 8-byte aligned if there are no more registers to hold them. |
| 107 | CCIfType<[i32, i64, f32, f64], CCAssignToStack<8, 8>>, |
| 108 | |
| 109 | // Vectors get 16-byte stack slots that are 16-byte aligned. |
| 110 | CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], |
Scott Michel | b30e8f6 | 2008-12-02 19:53:53 +0000 | [diff] [blame^] | 111 | CCAssignToStack<16, 16>> |
Scott Michel | 266bc8f | 2007-12-04 22:23:35 +0000 | [diff] [blame] | 112 | ]>; |
Scott Michel | b30e8f6 | 2008-12-02 19:53:53 +0000 | [diff] [blame^] | 113 | */ |