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gerrit-public.fairphone.software / fp2-dev / platform / external / llvm / 39ccb98b27cdb3a3e49af6866c781aa419ed55be / . / lib / Target / CellSPU / SPUCallingConv.td
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Scott Michel266bc8f2007-12-04 22:23:35 +0000[diff] [blame]1//===- SPUCallingConv.td - Calling Conventions for CellSPU ------*- C++ -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
Chris Lattner4ee451d2007-12-29 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 Michel266bc8f2007-12-04 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.
15class 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:
23def RetCC_SPU : CallingConv<[
Scott Michel21213e72009-01-06 23:10:38 +0000[diff] [blame]24 CCIfType<[i8], CCAssignToReg<[R3]>>,
25 CCIfType<[i16], CCAssignToReg<[R3]>>,
26 CCIfType<[i32], CCAssignToReg<[R3]>>,
27 CCIfType<[i64], CCAssignToReg<[R3]>>,
28 CCIfType<[i128], CCAssignToReg<[R3]>>,
Scott Michel266bc8f2007-12-04 22:23:35 +0000[diff] [blame]29 CCIfType<[f32, f64], CCAssignToReg<[R3]>>,
Scott Michel21213e72009-01-06 23:10:38 +0000[diff] [blame]30 CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], CCAssignToReg<[R3]>>,
31 CCIfType<[v2i32], CCAssignToReg<[R3]>>
Scott Michel266bc8f2007-12-04 22:23:35 +0000[diff] [blame]32]>;
33
34
35//===----------------------------------------------------------------------===//
36// CellSPU Argument Calling Conventions
Scott Michelb30e8f62008-12-02 19:53:53 +0000[diff] [blame]37// (note: this isn't used, but presumably should be at some point when other
38// targets do.)
Scott Michel266bc8f2007-12-04 22:23:35 +0000[diff] [blame]39//===----------------------------------------------------------------------===//
40/*
41def CC_SPU : CallingConv<[
Scott Michelb30e8f62008-12-02 19:53:53 +0000[diff] [blame]42 CCIfType<[i8], CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11,
43 R12, R13, R14, R15, R16, R17, R18, R19, R20,
44 R21, R22, R23, R24, R25, R26, R27, R28, R29,
45 R30, R31, R32, R33, R34, R35, R36, R37, R38,
46 R39, R40, R41, R42, R43, R44, R45, R46, R47,
47 R48, R49, R50, R51, R52, R53, R54, R55, R56,
48 R57, R58, R59, R60, R61, R62, R63, R64, R65,
49 R66, R67, R68, R69, R70, R71, R72, R73, R74,
50 R75, R76, R77, R78, R79]>>,
51 CCIfType<[i16], CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11,
52 R12, R13, R14, R15, R16, R17, R18, R19, R20,
53 R21, R22, R23, R24, R25, R26, R27, R28, R29,
54 R30, R31, R32, R33, R34, R35, R36, R37, R38,
55 R39, R40, R41, R42, R43, R44, R45, R46, R47,
56 R48, R49, R50, R51, R52, R53, R54, R55, R56,
57 R57, R58, R59, R60, R61, R62, R63, R64, R65,
58 R66, R67, R68, R69, R70, R71, R72, R73, R74,
59 R75, R76, R77, R78, R79]>>,
60 CCIfType<[i32], CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11,
61 R12, R13, R14, R15, R16, R17, R18, R19, R20,
62 R21, R22, R23, R24, R25, R26, R27, R28, R29,
63 R30, R31, R32, R33, R34, R35, R36, R37, R38,
64 R39, R40, R41, R42, R43, R44, R45, R46, R47,
65 R48, R49, R50, R51, R52, R53, R54, R55, R56,
66 R57, R58, R59, R60, R61, R62, R63, R64, R65,
67 R66, R67, R68, R69, R70, R71, R72, R73, R74,
68 R75, R76, R77, R78, R79]>>,
69 CCIfType<[f32], CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11,
70 R12, R13, R14, R15, R16, R17, R18, R19, R20,
71 R21, R22, R23, R24, R25, R26, R27, R28, R29,
72 R30, R31, R32, R33, R34, R35, R36, R37, R38,
73 R39, R40, R41, R42, R43, R44, R45, R46, R47,
74 R48, R49, R50, R51, R52, R53, R54, R55, R56,
75 R57, R58, R59, R60, R61, R62, R63, R64, R65,
76 R66, R67, R68, R69, R70, R71, R72, R73, R74,
77 R75, R76, R77, R78, R79]>>,
78 CCIfType<[i64], CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11,
79 R12, R13, R14, R15, R16, R17, R18, R19, R20,
80 R21, R22, R23, R24, R25, R26, R27, R28, R29,
81 R30, R31, R32, R33, R34, R35, R36, R37, R38,
82 R39, R40, R41, R42, R43, R44, R45, R46, R47,
83 R48, R49, R50, R51, R52, R53, R54, R55, R56,
84 R57, R58, R59, R60, R61, R62, R63, R64, R65,
85 R66, R67, R68, R69, R70, R71, R72, R73, R74,
86 R75, R76, R77, R78, R79]>>,
87 CCIfType<[f64], CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11,
88 R12, R13, R14, R15, R16, R17, R18, R19, R20,
89 R21, R22, R23, R24, R25, R26, R27, R28, R29,
90 R30, R31, R32, R33, R34, R35, R36, R37, R38,
91 R39, R40, R41, R42, R43, R44, R45, R46, R47,
92 R48, R49, R50, R51, R52, R53, R54, R55, R56,
93 R57, R58, R59, R60, R61, R62, R63, R64, R65,
94 R66, R67, R68, R69, R70, R71, R72, R73, R74,
95 R75, R76, R77, R78, R79]>>,
96 CCIfType<[v16i8, v8i16, v4i32, v4f32, v2i64, v2f64],
97 CCAssignToReg<[R3, R4, R5, R6, R7, R8, R9, R10, R11,
98 R12, R13, R14, R15, R16, R17, R18, R19, R20,
99 R21, R22, R23, R24, R25, R26, R27, R28, R29,
100 R30, R31, R32, R33, R34, R35, R36, R37, R38,
101 R39, R40, R41, R42, R43, R44, R45, R46, R47,
102 R48, R49, R50, R51, R52, R53, R54, R55, R56,
103 R57, R58, R59, R60, R61, R62, R63, R64, R65,
104 R66, R67, R68, R69, R70, R71, R72, R73, R74,
105 R75, R76, R77, R78, R79]>>,
Scott Michel266bc8f2007-12-04 22:23:35 +0000[diff] [blame]106
Scott Michel266bc8f2007-12-04 22:23:35 +0000[diff] [blame]107 // Integer/FP values get stored in stack slots that are 8 bytes in size and
108 // 8-byte aligned if there are no more registers to hold them.
109 CCIfType<[i32, i64, f32, f64], CCAssignToStack<8, 8>>,
110
111 // Vectors get 16-byte stack slots that are 16-byte aligned.
112 CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],
Scott Michelb30e8f62008-12-02 19:53:53 +0000[diff] [blame]113 CCAssignToStack<16, 16>>
Scott Michel266bc8f2007-12-04 22:23:35 +0000[diff] [blame]114]>;
Scott Michelb30e8f62008-12-02 19:53:53 +0000[diff] [blame]115*/