diff options
Diffstat (limited to 'lib/Target/ARM/Disassembler/ARMDisassembler.cpp')
-rw-r--r-- | lib/Target/ARM/Disassembler/ARMDisassembler.cpp | 49 |
1 files changed, 6 insertions, 43 deletions
diff --git a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp index e220289..78d73d3 100644 --- a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp +++ b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp @@ -39,9 +39,9 @@ /// o static uint16_t decodeThumbInstruction(field_t insn) - the decoding /// function for a Thumb instruction. /// -#include "../ARMGenDecoderTables.inc" +#include "ARMGenDecoderTables.inc" -#include "../ARMGenEDInfo.inc" +#include "ARMGenEDInfo.inc" using namespace llvm; @@ -89,7 +89,8 @@ static unsigned decodeARMInstruction(uint32_t &insn) { return ARM::BFI; } - // Ditto for STRBT, which is a super-instruction for A8.6.199 Encoding A1 & A2. + // Ditto for STRBT, which is a super-instruction for A8.6.199 Encodings + // A1 & A2. // As a result, the decoder fails to deocode USAT properly. if (slice(insn, 27, 21) == 0x37 && slice(insn, 5, 4) == 1) return ARM::USAT; @@ -252,9 +253,6 @@ static unsigned T2Morph2LoadLiteral(unsigned Opcode) { default: return Opcode; // Return unmorphed opcode. - case ARM::t2LDRDi8: - return ARM::t2LDRDpci; - case ARM::t2LDR_POST: case ARM::t2LDR_PRE: case ARM::t2LDRi12: case ARM::t2LDRi8: case ARM::t2LDRs: case ARM::t2LDRT: @@ -349,36 +347,6 @@ static unsigned decodeThumbSideEffect(bool IsThumb2, unsigned &insn) { return decodeThumbInstruction(insn); } -static inline bool Thumb2PreloadOpcodeNoPCI(unsigned Opcode) { - switch (Opcode) { - default: - return false; - case ARM::t2PLDi12: case ARM::t2PLDi8: - case ARM::t2PLDr: case ARM::t2PLDs: - case ARM::t2PLDWi12: case ARM::t2PLDWi8: - case ARM::t2PLDWr: case ARM::t2PLDWs: - case ARM::t2PLIi12: case ARM::t2PLIi8: - case ARM::t2PLIr: case ARM::t2PLIs: - return true; - } -} - -static inline unsigned T2Morph2Preload2PCI(unsigned Opcode) { - switch (Opcode) { - default: - return 0; - case ARM::t2PLDi12: case ARM::t2PLDi8: - case ARM::t2PLDr: case ARM::t2PLDs: - return ARM::t2PLDpci; - case ARM::t2PLDWi12: case ARM::t2PLDWi8: - case ARM::t2PLDWr: case ARM::t2PLDWs: - return ARM::t2PLDWpci; - case ARM::t2PLIi12: case ARM::t2PLIi8: - case ARM::t2PLIr: case ARM::t2PLIs: - return ARM::t2PLIpci; - } -} - // // Public interface for the disassembler // @@ -485,11 +453,6 @@ bool ThumbDisassembler::getInstruction(MCInst &MI, // instructions as well. unsigned Opcode = decodeThumbSideEffect(IsThumb2, insn); - // A8.6.117/119/120/121. - // PLD/PLDW/PLI instructions with Rn==15 is transformed to the pci variant. - if (Thumb2PreloadOpcodeNoPCI(Opcode) && slice(insn, 19, 16) == 15) - Opcode = T2Morph2Preload2PCI(Opcode); - ARMFormat Format = ARMFormats[Opcode]; Size = IsThumb2 ? 4 : 2; @@ -568,9 +531,9 @@ static MCDisassembler *createThumbDisassembler(const Target &T) { return new ThumbDisassembler; } -extern "C" void LLVMInitializeARMDisassembler() { +extern "C" void LLVMInitializeARMDisassembler() { // Register the disassembler. - TargetRegistry::RegisterMCDisassembler(TheARMTarget, + TargetRegistry::RegisterMCDisassembler(TheARMTarget, createARMDisassembler); TargetRegistry::RegisterMCDisassembler(TheThumbTarget, createThumbDisassembler); |