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[ARMv8] Add support for the v8 cryptography extensions.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190996 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Amara Emerson
2013-09-19 11:59:01 +00:00
parent adadf887cb
commit 5df37dab76
16 changed files with 459 additions and 17 deletions
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20
lib/Target/ARM/Disassembler/ARMDisassembler.cpp
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@@ -506,6 +506,14 @@ DecodeStatus ARMDisassembler::getInstruction(MCInst &MI, uint64_t &Size,
return result;
}
MI.clear();
result = decodeInstruction(DecoderTablev8Crypto32, MI, insn, Address,
this, STI);
if (result != MCDisassembler::Fail) {
Size = 4;
return result;
}
MI.clear();
Size = 0;
return MCDisassembler::Fail;
@@ -825,6 +833,18 @@ DecodeStatus ThumbDisassembler::getInstruction(MCInst &MI, uint64_t &Size,
}
}
MI.clear();
uint32_t NEONCryptoInsn = insn32;
NEONCryptoInsn &= 0xF0FFFFFF; // Clear bits 27-24
NEONCryptoInsn |= (NEONCryptoInsn & 0x10000000) >> 4; // Move bit 28 to bit 24
NEONCryptoInsn |= 0x12000000; // Set bits 28 and 25
result = decodeInstruction(DecoderTablev8Crypto32, MI, NEONCryptoInsn,
Address, this, STI);
if (result != MCDisassembler::Fail) {
Size = 4;
return result;
}
MI.clear();
uint32_t NEONv8Insn = insn32;
NEONv8Insn &= 0xF3FFFFFF; // Clear bits 27-26