xref: /freebsd/contrib/llvm-project/llvm/lib/Target/Sparc/Sparc.h (revision 2f513db72b034fd5ef7f080b11be5c711c15186a)
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 
21 namespace llvm {
22   class FunctionPass;
23   class SparcTargetMachine;
24   class formatted_raw_ostream;
25   class AsmPrinter;
26   class MCInst;
27   class MachineInstr;
28 
29   FunctionPass *createSparcISelDag(SparcTargetMachine &TM);
30   FunctionPass *createSparcDelaySlotFillerPass();
31 
32   void LowerSparcMachineInstrToMCInst(const MachineInstr *MI,
33                                       MCInst &OutMI,
34                                       AsmPrinter &AP);
35 } // end namespace llvm;
36 
37 namespace 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_A   =  8+16,  // Always
60       FCC_N   =  0+16,  // Never
61       FCC_U   =  7+16,  // Unordered
62       FCC_G   =  6+16,  // Greater
63       FCC_UG  =  5+16,  // Unordered or Greater
64       FCC_L   =  4+16,  // Less
65       FCC_UL  =  3+16,  // Unordered or Less
66       FCC_LG  =  2+16,  // Less or Greater
67       FCC_NE  =  1+16,  // Not Equal
68       FCC_E   =  9+16,  // Equal
69       FCC_UE  = 10+16,  // Unordered or Equal
70       FCC_GE  = 11+16,  // Greater or Equal
71       FCC_UGE = 12+16,  // Unordered or Greater or Equal
72       FCC_LE  = 13+16,  // Less or Equal
73       FCC_ULE = 14+16,  // Unordered or Less or Equal
74       FCC_O   = 15+16,  // Ordered
75 
76       CPCC_A   =  8+32,  // Always
77       CPCC_N   =  0+32,  // Never
78       CPCC_3   =  7+32,
79       CPCC_2   =  6+32,
80       CPCC_23  =  5+32,
81       CPCC_1   =  4+32,
82       CPCC_13  =  3+32,
83       CPCC_12  =  2+32,
84       CPCC_123 =  1+32,
85       CPCC_0   =  9+32,
86       CPCC_03  = 10+32,
87       CPCC_02  = 11+32,
88       CPCC_023 = 12+32,
89       CPCC_01  = 13+32,
90       CPCC_013 = 14+32,
91       CPCC_012 = 15+32
92     };
93   }
94 
95   inline static const char *SPARCCondCodeToString(SPCC::CondCodes CC) {
96     switch (CC) {
97     case SPCC::ICC_A:   return "a";
98     case SPCC::ICC_N:   return "n";
99     case SPCC::ICC_NE:  return "ne";
100     case SPCC::ICC_E:   return "e";
101     case SPCC::ICC_G:   return "g";
102     case SPCC::ICC_LE:  return "le";
103     case SPCC::ICC_GE:  return "ge";
104     case SPCC::ICC_L:   return "l";
105     case SPCC::ICC_GU:  return "gu";
106     case SPCC::ICC_LEU: return "leu";
107     case SPCC::ICC_CC:  return "cc";
108     case SPCC::ICC_CS:  return "cs";
109     case SPCC::ICC_POS: return "pos";
110     case SPCC::ICC_NEG: return "neg";
111     case SPCC::ICC_VC:  return "vc";
112     case SPCC::ICC_VS:  return "vs";
113     case SPCC::FCC_A:   return "a";
114     case SPCC::FCC_N:   return "n";
115     case SPCC::FCC_U:   return "u";
116     case SPCC::FCC_G:   return "g";
117     case SPCC::FCC_UG:  return "ug";
118     case SPCC::FCC_L:   return "l";
119     case SPCC::FCC_UL:  return "ul";
120     case SPCC::FCC_LG:  return "lg";
121     case SPCC::FCC_NE:  return "ne";
122     case SPCC::FCC_E:   return "e";
123     case SPCC::FCC_UE:  return "ue";
124     case SPCC::FCC_GE:  return "ge";
125     case SPCC::FCC_UGE: return "uge";
126     case SPCC::FCC_LE:  return "le";
127     case SPCC::FCC_ULE: return "ule";
128     case SPCC::FCC_O:   return "o";
129     case SPCC::CPCC_A:   return "a";
130     case SPCC::CPCC_N:   return "n";
131     case SPCC::CPCC_3:   return "3";
132     case SPCC::CPCC_2:   return "2";
133     case SPCC::CPCC_23:  return "23";
134     case SPCC::CPCC_1:   return "1";
135     case SPCC::CPCC_13:  return "13";
136     case SPCC::CPCC_12:  return "12";
137     case SPCC::CPCC_123: return "123";
138     case SPCC::CPCC_0:   return "0";
139     case SPCC::CPCC_03:  return "03";
140     case SPCC::CPCC_02:  return "02";
141     case SPCC::CPCC_023: return "023";
142     case SPCC::CPCC_01:  return "01";
143     case SPCC::CPCC_013: return "013";
144     case SPCC::CPCC_012: return "012";
145     }
146     llvm_unreachable("Invalid cond code");
147   }
148 
149   inline static unsigned HI22(int64_t imm) {
150     return (unsigned)((imm >> 10) & ((1 << 22)-1));
151   }
152 
153   inline static unsigned LO10(int64_t imm) {
154     return (unsigned)(imm & 0x3FF);
155   }
156 
157   inline static unsigned HIX22(int64_t imm) {
158     return HI22(~imm);
159   }
160 
161   inline static unsigned LOX10(int64_t imm) {
162     return ~LO10(~imm);
163   }
164 
165 }  // end namespace llvm
166 #endif
167