diff options
Diffstat (limited to 'lib/Target/ARM/Disassembler/ARMDisassembler.cpp')
-rw-r--r-- | lib/Target/ARM/Disassembler/ARMDisassembler.cpp | 37 |
1 files changed, 21 insertions, 16 deletions
diff --git a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp index 852c52af8b..28dd986d65 100644 --- a/lib/Target/ARM/Disassembler/ARMDisassembler.cpp +++ b/lib/Target/ARM/Disassembler/ARMDisassembler.cpp @@ -494,7 +494,28 @@ bool ThumbDisassembler::getInstruction(MCInst &MI, uint64_t &Size, } MI.clear(); + result = decodeNEONDupInstruction32(MI, insn32, Address, this); + if (result) { + Size = 4; + AddThumbPredicate(MI); + return true; + } + + if (fieldFromInstruction32(insn32, 24, 8) == 0xF9) { + MI.clear(); + uint32_t NEONLdStInsn = insn32; + NEONLdStInsn &= 0xF0FFFFFF; + NEONLdStInsn |= 0x04000000; + result = decodeNEONLoadStoreInstruction32(MI, NEONLdStInsn, Address, this); + if (result) { + Size = 4; + AddThumbPredicate(MI); + return true; + } + } + if (fieldFromInstruction32(insn32, 24, 4) == 0xF) { + MI.clear(); uint32_t NEONDataInsn = insn32; NEONDataInsn &= 0xF0FFFFFF; // Clear bits 27-24 NEONDataInsn |= (NEONDataInsn & 0x10000000) >> 4; // Move bit 28 to bit 24 @@ -507,22 +528,6 @@ bool ThumbDisassembler::getInstruction(MCInst &MI, uint64_t &Size, } } - MI.clear(); - result = decodeNEONLoadStoreInstruction32(MI, insn32, Address, this); - if (result) { - Size = 4; - AddThumbPredicate(MI); - return true; - } - - MI.clear(); - result = decodeNEONDupInstruction32(MI, insn32, Address, this); - if (result) { - Size = 4; - AddThumbPredicate(MI); - return true; - } - return false; } |