1//===-- Sparc.h - Top-level interface for Sparc representation --*- C++ -*-===//
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 contains the entry points for global functions defined in the LLVM
10// Sparc back-end.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_LIB_TARGET_SPARC_SPARC_H
15#define LLVM_LIB_TARGET_SPARC_SPARC_H
16
17#include "MCTargetDesc/SparcMCTargetDesc.h"
18#include "llvm/Support/ErrorHandling.h"
19#include "llvm/Target/TargetMachine.h"
20
21namespace llvm {
22class AsmPrinter;
23class FunctionPass;
24class MCInst;
25class MachineInstr;
26class PassRegistry;
27class SparcTargetMachine;
28
29FunctionPass *createSparcISelDag(SparcTargetMachine &TM);
30FunctionPass *createSparcDelaySlotFillerPass();
31
32void initializeSparcAsmPrinterPass(PassRegistry &);
33void initializeSparcDAGToDAGISelLegacyPass(PassRegistry &);
34void initializeErrataWorkaroundPass(PassRegistry &);
35} // namespace llvm
36
37namespace llvm {
38 // Enums corresponding to Sparc condition codes, both icc's and fcc's. These
39 // values must be kept in sync with the ones in the .td file.
40 namespace SPCC {
41 enum CondCodes {
42 ICC_A = 8, // Always
43 ICC_N = 0, // Never
44 ICC_NE = 9, // Not Equal
45 ICC_E = 1, // Equal
46 ICC_G = 10, // Greater
47 ICC_LE = 2, // Less or Equal
48 ICC_GE = 11, // Greater or Equal
49 ICC_L = 3, // Less
50 ICC_GU = 12, // Greater Unsigned
51 ICC_LEU = 4, // Less or Equal Unsigned
52 ICC_CC = 13, // Carry Clear/Great or Equal Unsigned
53 ICC_CS = 5, // Carry Set/Less Unsigned
54 ICC_POS = 14, // Positive
55 ICC_NEG = 6, // Negative
56 ICC_VC = 15, // Overflow Clear
57 ICC_VS = 7, // Overflow Set
58
59 FCC_BEGIN = 16,
60 FCC_A = 8 + FCC_BEGIN, // Always
61 FCC_N = 0 + FCC_BEGIN, // Never
62 FCC_U = 7 + FCC_BEGIN, // Unordered
63 FCC_G = 6 + FCC_BEGIN, // Greater
64 FCC_UG = 5 + FCC_BEGIN, // Unordered or Greater
65 FCC_L = 4 + FCC_BEGIN, // Less
66 FCC_UL = 3 + FCC_BEGIN, // Unordered or Less
67 FCC_LG = 2 + FCC_BEGIN, // Less or Greater
68 FCC_NE = 1 + FCC_BEGIN, // Not Equal
69 FCC_E = 9 + FCC_BEGIN, // Equal
70 FCC_UE = 10 + FCC_BEGIN, // Unordered or Equal
71 FCC_GE = 11 + FCC_BEGIN, // Greater or Equal
72 FCC_UGE = 12 + FCC_BEGIN, // Unordered or Greater or Equal
73 FCC_LE = 13 + FCC_BEGIN, // Less or Equal
74 FCC_ULE = 14 + FCC_BEGIN, // Unordered or Less or Equal
75 FCC_O = 15 + FCC_BEGIN, // Ordered
76
77 CPCC_BEGIN = 32,
78 CPCC_A = 8 + CPCC_BEGIN, // Always
79 CPCC_N = 0 + CPCC_BEGIN, // Never
80 CPCC_3 = 7 + CPCC_BEGIN,
81 CPCC_2 = 6 + CPCC_BEGIN,
82 CPCC_23 = 5 + CPCC_BEGIN,
83 CPCC_1 = 4 + CPCC_BEGIN,
84 CPCC_13 = 3 + CPCC_BEGIN,
85 CPCC_12 = 2 + CPCC_BEGIN,
86 CPCC_123 = 1 + CPCC_BEGIN,
87 CPCC_0 = 9 + CPCC_BEGIN,
88 CPCC_03 = 10 + CPCC_BEGIN,
89 CPCC_02 = 11 + CPCC_BEGIN,
90 CPCC_023 = 12 + CPCC_BEGIN,
91 CPCC_01 = 13 + CPCC_BEGIN,
92 CPCC_013 = 14 + CPCC_BEGIN,
93 CPCC_012 = 15 + CPCC_BEGIN,
94
95 REG_BEGIN = 48,
96 REG_Z = 1 + REG_BEGIN, // Is zero
97 REG_LEZ = 2 + REG_BEGIN, // Less or equal to zero
98 REG_LZ = 3 + REG_BEGIN, // Less than zero
99 REG_NZ = 5 + REG_BEGIN, // Is not zero
100 REG_GZ = 6 + REG_BEGIN, // Greater than zero
101 REG_GEZ = 7 + REG_BEGIN // Greater than or equal to zero
102 };
103 }
104
105 inline static const char *SPARCCondCodeToString(SPCC::CondCodes CC) {
106 switch (CC) {
107 case SPCC::ICC_A: return "a";
108 case SPCC::ICC_N: return "n";
109 case SPCC::ICC_NE: return "ne";
110 case SPCC::ICC_E: return "e";
111 case SPCC::ICC_G: return "g";
112 case SPCC::ICC_LE: return "le";
113 case SPCC::ICC_GE: return "ge";
114 case SPCC::ICC_L: return "l";
115 case SPCC::ICC_GU: return "gu";
116 case SPCC::ICC_LEU: return "leu";
117 case SPCC::ICC_CC: return "cc";
118 case SPCC::ICC_CS: return "cs";
119 case SPCC::ICC_POS: return "pos";
120 case SPCC::ICC_NEG: return "neg";
121 case SPCC::ICC_VC: return "vc";
122 case SPCC::ICC_VS: return "vs";
123 case SPCC::FCC_A: return "a";
124 case SPCC::FCC_N: return "n";
125 case SPCC::FCC_U: return "u";
126 case SPCC::FCC_G: return "g";
127 case SPCC::FCC_UG: return "ug";
128 case SPCC::FCC_L: return "l";
129 case SPCC::FCC_UL: return "ul";
130 case SPCC::FCC_LG: return "lg";
131 case SPCC::FCC_NE: return "ne";
132 case SPCC::FCC_E: return "e";
133 case SPCC::FCC_UE: return "ue";
134 case SPCC::FCC_GE: return "ge";
135 case SPCC::FCC_UGE: return "uge";
136 case SPCC::FCC_LE: return "le";
137 case SPCC::FCC_ULE: return "ule";
138 case SPCC::FCC_O: return "o";
139 case SPCC::CPCC_A: return "a";
140 case SPCC::CPCC_N: return "n";
141 case SPCC::CPCC_3: return "3";
142 case SPCC::CPCC_2: return "2";
143 case SPCC::CPCC_23: return "23";
144 case SPCC::CPCC_1: return "1";
145 case SPCC::CPCC_13: return "13";
146 case SPCC::CPCC_12: return "12";
147 case SPCC::CPCC_123: return "123";
148 case SPCC::CPCC_0: return "0";
149 case SPCC::CPCC_03: return "03";
150 case SPCC::CPCC_02: return "02";
151 case SPCC::CPCC_023: return "023";
152 case SPCC::CPCC_01: return "01";
153 case SPCC::CPCC_013: return "013";
154 case SPCC::CPCC_012: return "012";
155 case SPCC::REG_BEGIN:
156 llvm_unreachable("Use of reserved cond code");
157 case SPCC::REG_Z:
158 return "z";
159 case SPCC::REG_LEZ:
160 return "lez";
161 case SPCC::REG_LZ:
162 return "lz";
163 case SPCC::REG_NZ:
164 return "nz";
165 case SPCC::REG_GZ:
166 return "gz";
167 case SPCC::REG_GEZ:
168 return "gez";
169 }
170 llvm_unreachable("Invalid cond code");
171 }
172
173 inline static unsigned HI22(int64_t imm) {
174 return (unsigned)((imm >> 10) & ((1 << 22)-1));
175 }
176
177 inline static unsigned LO10(int64_t imm) {
178 return (unsigned)(imm & 0x3FF);
179 }
180
181 inline static unsigned HIX22(int64_t imm) {
182 return HI22(imm: ~imm);
183 }
184
185 inline static unsigned LOX10(int64_t imm) {
186 return ~LO10(imm: ~imm);
187 }
188
189} // end namespace llvm
190#endif
191