LLVM  10.0.0svn
MipsABIFlags.h
Go to the documentation of this file.
1 //===--- MipsABIFlags.h - MIPS ABI flags ----------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This file defines the constants for the ABI flags structure contained
10 // in the .MIPS.abiflags section.
11 //
12 // https://dmz-portal.mips.com/wiki/MIPS_O32_ABI_-_FR0_and_FR1_Interlinking
13 //
14 //===----------------------------------------------------------------------===//
15 
16 #ifndef LLVM_SUPPORT_MIPSABIFLAGS_H
17 #define LLVM_SUPPORT_MIPSABIFLAGS_H
18 
19 namespace llvm {
20 namespace Mips {
21 
22 // Values for the xxx_size bytes of an ABI flags structure.
23 enum AFL_REG {
24  AFL_REG_NONE = 0x00, // No registers
25  AFL_REG_32 = 0x01, // 32-bit registers
26  AFL_REG_64 = 0x02, // 64-bit registers
27  AFL_REG_128 = 0x03 // 128-bit registers
28 };
29 
30 // Masks for the ases word of an ABI flags structure.
31 enum AFL_ASE {
32  AFL_ASE_DSP = 0x00000001, // DSP ASE
33  AFL_ASE_DSPR2 = 0x00000002, // DSP R2 ASE
34  AFL_ASE_EVA = 0x00000004, // Enhanced VA Scheme
35  AFL_ASE_MCU = 0x00000008, // MCU (MicroController) ASE
36  AFL_ASE_MDMX = 0x00000010, // MDMX ASE
37  AFL_ASE_MIPS3D = 0x00000020, // MIPS-3D ASE
38  AFL_ASE_MT = 0x00000040, // MT ASE
39  AFL_ASE_SMARTMIPS = 0x00000080, // SmartMIPS ASE
40  AFL_ASE_VIRT = 0x00000100, // VZ ASE
41  AFL_ASE_MSA = 0x00000200, // MSA ASE
42  AFL_ASE_MIPS16 = 0x00000400, // MIPS16 ASE
43  AFL_ASE_MICROMIPS = 0x00000800, // MICROMIPS ASE
44  AFL_ASE_XPA = 0x00001000, // XPA ASE
45  AFL_ASE_CRC = 0x00008000, // CRC ASE
46  AFL_ASE_GINV = 0x00020000 // GINV ASE
47 };
48 
49 // Values for the isa_ext word of an ABI flags structure.
50 enum AFL_EXT {
51  AFL_EXT_NONE = 0, // None
52  AFL_EXT_XLR = 1, // RMI Xlr instruction
53  AFL_EXT_OCTEON2 = 2, // Cavium Networks Octeon2
54  AFL_EXT_OCTEONP = 3, // Cavium Networks OcteonP
55  AFL_EXT_LOONGSON_3A = 4, // Loongson 3A
56  AFL_EXT_OCTEON = 5, // Cavium Networks Octeon
57  AFL_EXT_5900 = 6, // MIPS R5900 instruction
58  AFL_EXT_4650 = 7, // MIPS R4650 instruction
59  AFL_EXT_4010 = 8, // LSI R4010 instruction
60  AFL_EXT_4100 = 9, // NEC VR4100 instruction
61  AFL_EXT_3900 = 10, // Toshiba R3900 instruction
62  AFL_EXT_10000 = 11, // MIPS R10000 instruction
63  AFL_EXT_SB1 = 12, // Broadcom SB-1 instruction
64  AFL_EXT_4111 = 13, // NEC VR4111/VR4181 instruction
65  AFL_EXT_4120 = 14, // NEC VR4120 instruction
66  AFL_EXT_5400 = 15, // NEC VR5400 instruction
67  AFL_EXT_5500 = 16, // NEC VR5500 instruction
68  AFL_EXT_LOONGSON_2E = 17, // ST Microelectronics Loongson 2E
69  AFL_EXT_LOONGSON_2F = 18, // ST Microelectronics Loongson 2F
70  AFL_EXT_OCTEON3 = 19 // Cavium Networks Octeon3
71 };
72 
73 // Values for the flags1 word of an ABI flags structure.
75 
76 // MIPS object attribute tags
77 enum {
78  Tag_GNU_MIPS_ABI_FP = 4, // Floating-point ABI used by this object file
79  Tag_GNU_MIPS_ABI_MSA = 8, // MSA ABI used by this object file
80 };
81 
82 // Values for the fp_abi word of an ABI flags structure
83 // and for the Tag_GNU_MIPS_ABI_FP attribute tag.
85  Val_GNU_MIPS_ABI_FP_ANY = 0, // not tagged
86  Val_GNU_MIPS_ABI_FP_DOUBLE = 1, // hard float / -mdouble-float
87  Val_GNU_MIPS_ABI_FP_SINGLE = 2, // hard float / -msingle-float
88  Val_GNU_MIPS_ABI_FP_SOFT = 3, // soft float
89  Val_GNU_MIPS_ABI_FP_OLD_64 = 4, // -mips32r2 -mfp64
90  Val_GNU_MIPS_ABI_FP_XX = 5, // -mfpxx
91  Val_GNU_MIPS_ABI_FP_64 = 6, // -mips32r2 -mfp64
92  Val_GNU_MIPS_ABI_FP_64A = 7 // -mips32r2 -mfp64 -mno-odd-spreg
93 };
94 
95 // Values for the Tag_GNU_MIPS_ABI_MSA attribute tag.
97  Val_GNU_MIPS_ABI_MSA_ANY = 0, // not tagged
98  Val_GNU_MIPS_ABI_MSA_128 = 1 // 128-bit MSA
99 };
100 }
101 }
102 
103 #endif
This class represents lattice values for constants.
Definition: AllocatorList.h:23