[ARMv8] Add support for the v8 cryptography extensions.
llvm-svn: 190996
diff --git a/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp b/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
index 8a06664..7f53240 100644
--- a/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
+++ b/llvm/lib/Target/ARM/Disassembler/ARMDisassembler.cpp
@@ -507,6 +507,14 @@
}
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;
}
@@ -826,6 +834,18 @@
}
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
result = decodeInstruction(DecoderTablev8NEON32, MI, NEONv8Insn, Address,