| //===-- Sparc.h - Top-level interface for Sparc representation --*- C++ -*-===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file contains the entry points for global functions defined in the LLVM |
| // Sparc back-end. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIB_TARGET_SPARC_SPARC_H |
| #define LLVM_LIB_TARGET_SPARC_SPARC_H |
| |
| #include "MCTargetDesc/SparcMCTargetDesc.h" |
| #include "llvm/Support/ErrorHandling.h" |
| #include "llvm/Target/TargetMachine.h" |
| |
| namespace llvm { |
| class AsmPrinter; |
| class FunctionPass; |
| class MCInst; |
| class MachineInstr; |
| class PassRegistry; |
| class SparcTargetMachine; |
| |
| FunctionPass *createSparcISelDag(SparcTargetMachine &TM); |
| FunctionPass *createSparcDelaySlotFillerPass(); |
| |
| void LowerSparcMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI, |
| AsmPrinter &AP); |
| void initializeSparcDAGToDAGISelPass(PassRegistry &); |
| } // namespace llvm |
| |
| namespace llvm { |
| // Enums corresponding to Sparc condition codes, both icc's and fcc's. These |
| // values must be kept in sync with the ones in the .td file. |
| namespace SPCC { |
| enum CondCodes { |
| ICC_A = 8, // Always |
| ICC_N = 0, // Never |
| ICC_NE = 9, // Not Equal |
| ICC_E = 1, // Equal |
| ICC_G = 10, // Greater |
| ICC_LE = 2, // Less or Equal |
| ICC_GE = 11, // Greater or Equal |
| ICC_L = 3, // Less |
| ICC_GU = 12, // Greater Unsigned |
| ICC_LEU = 4, // Less or Equal Unsigned |
| ICC_CC = 13, // Carry Clear/Great or Equal Unsigned |
| ICC_CS = 5, // Carry Set/Less Unsigned |
| ICC_POS = 14, // Positive |
| ICC_NEG = 6, // Negative |
| ICC_VC = 15, // Overflow Clear |
| ICC_VS = 7, // Overflow Set |
| |
| FCC_BEGIN = 16, |
| FCC_A = 8 + FCC_BEGIN, // Always |
| FCC_N = 0 + FCC_BEGIN, // Never |
| FCC_U = 7 + FCC_BEGIN, // Unordered |
| FCC_G = 6 + FCC_BEGIN, // Greater |
| FCC_UG = 5 + FCC_BEGIN, // Unordered or Greater |
| FCC_L = 4 + FCC_BEGIN, // Less |
| FCC_UL = 3 + FCC_BEGIN, // Unordered or Less |
| FCC_LG = 2 + FCC_BEGIN, // Less or Greater |
| FCC_NE = 1 + FCC_BEGIN, // Not Equal |
| FCC_E = 9 + FCC_BEGIN, // Equal |
| FCC_UE = 10 + FCC_BEGIN, // Unordered or Equal |
| FCC_GE = 11 + FCC_BEGIN, // Greater or Equal |
| FCC_UGE = 12 + FCC_BEGIN, // Unordered or Greater or Equal |
| FCC_LE = 13 + FCC_BEGIN, // Less or Equal |
| FCC_ULE = 14 + FCC_BEGIN, // Unordered or Less or Equal |
| FCC_O = 15 + FCC_BEGIN, // Ordered |
| |
| CPCC_BEGIN = 32, |
| CPCC_A = 8 + CPCC_BEGIN, // Always |
| CPCC_N = 0 + CPCC_BEGIN, // Never |
| CPCC_3 = 7 + CPCC_BEGIN, |
| CPCC_2 = 6 + CPCC_BEGIN, |
| CPCC_23 = 5 + CPCC_BEGIN, |
| CPCC_1 = 4 + CPCC_BEGIN, |
| CPCC_13 = 3 + CPCC_BEGIN, |
| CPCC_12 = 2 + CPCC_BEGIN, |
| CPCC_123 = 1 + CPCC_BEGIN, |
| CPCC_0 = 9 + CPCC_BEGIN, |
| CPCC_03 = 10 + CPCC_BEGIN, |
| CPCC_02 = 11 + CPCC_BEGIN, |
| CPCC_023 = 12 + CPCC_BEGIN, |
| CPCC_01 = 13 + CPCC_BEGIN, |
| CPCC_013 = 14 + CPCC_BEGIN, |
| CPCC_012 = 15 + CPCC_BEGIN, |
| |
| REG_BEGIN = 48, |
| REG_Z = 1 + REG_BEGIN, // Is zero |
| REG_LEZ = 2 + REG_BEGIN, // Less or equal to zero |
| REG_LZ = 3 + REG_BEGIN, // Less than zero |
| REG_NZ = 5 + REG_BEGIN, // Is not zero |
| REG_GZ = 6 + REG_BEGIN, // Greater than zero |
| REG_GEZ = 7 + REG_BEGIN // Greater than or equal to zero |
| }; |
| } |
| |
| inline static const char *SPARCCondCodeToString(SPCC::CondCodes CC) { |
| switch (CC) { |
| case SPCC::ICC_A: return "a"; |
| case SPCC::ICC_N: return "n"; |
| case SPCC::ICC_NE: return "ne"; |
| case SPCC::ICC_E: return "e"; |
| case SPCC::ICC_G: return "g"; |
| case SPCC::ICC_LE: return "le"; |
| case SPCC::ICC_GE: return "ge"; |
| case SPCC::ICC_L: return "l"; |
| case SPCC::ICC_GU: return "gu"; |
| case SPCC::ICC_LEU: return "leu"; |
| case SPCC::ICC_CC: return "cc"; |
| case SPCC::ICC_CS: return "cs"; |
| case SPCC::ICC_POS: return "pos"; |
| case SPCC::ICC_NEG: return "neg"; |
| case SPCC::ICC_VC: return "vc"; |
| case SPCC::ICC_VS: return "vs"; |
| case SPCC::FCC_A: return "a"; |
| case SPCC::FCC_N: return "n"; |
| case SPCC::FCC_U: return "u"; |
| case SPCC::FCC_G: return "g"; |
| case SPCC::FCC_UG: return "ug"; |
| case SPCC::FCC_L: return "l"; |
| case SPCC::FCC_UL: return "ul"; |
| case SPCC::FCC_LG: return "lg"; |
| case SPCC::FCC_NE: return "ne"; |
| case SPCC::FCC_E: return "e"; |
| case SPCC::FCC_UE: return "ue"; |
| case SPCC::FCC_GE: return "ge"; |
| case SPCC::FCC_UGE: return "uge"; |
| case SPCC::FCC_LE: return "le"; |
| case SPCC::FCC_ULE: return "ule"; |
| case SPCC::FCC_O: return "o"; |
| case SPCC::CPCC_A: return "a"; |
| case SPCC::CPCC_N: return "n"; |
| case SPCC::CPCC_3: return "3"; |
| case SPCC::CPCC_2: return "2"; |
| case SPCC::CPCC_23: return "23"; |
| case SPCC::CPCC_1: return "1"; |
| case SPCC::CPCC_13: return "13"; |
| case SPCC::CPCC_12: return "12"; |
| case SPCC::CPCC_123: return "123"; |
| case SPCC::CPCC_0: return "0"; |
| case SPCC::CPCC_03: return "03"; |
| case SPCC::CPCC_02: return "02"; |
| case SPCC::CPCC_023: return "023"; |
| case SPCC::CPCC_01: return "01"; |
| case SPCC::CPCC_013: return "013"; |
| case SPCC::CPCC_012: return "012"; |
| case SPCC::REG_BEGIN: |
| llvm_unreachable("Use of reserved cond code"); |
| case SPCC::REG_Z: |
| return "z"; |
| case SPCC::REG_LEZ: |
| return "lez"; |
| case SPCC::REG_LZ: |
| return "lz"; |
| case SPCC::REG_NZ: |
| return "nz"; |
| case SPCC::REG_GZ: |
| return "gz"; |
| case SPCC::REG_GEZ: |
| return "gez"; |
| } |
| llvm_unreachable("Invalid cond code"); |
| } |
| |
| inline static unsigned HI22(int64_t imm) { |
| return (unsigned)((imm >> 10) & ((1 << 22)-1)); |
| } |
| |
| inline static unsigned LO10(int64_t imm) { |
| return (unsigned)(imm & 0x3FF); |
| } |
| |
| inline static unsigned HIX22(int64_t imm) { |
| return HI22(~imm); |
| } |
| |
| inline static unsigned LOX10(int64_t imm) { |
| return ~LO10(~imm); |
| } |
| |
| } // end namespace llvm |
| #endif |