[mips][microMIPS] Implement 16-bit instructions registers including ZERO instead of S0
Implement microMIPS 16-bit instructions register set: $0, $2-$7 and $17.
Differential Revision: http://reviews.llvm.org/D5780
llvm-svn: 222652
diff --git a/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp b/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp
index 118c3b0..8f25163 100644
--- a/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp
+++ b/llvm/lib/Target/Mips/Disassembler/MipsDisassembler.cpp
@@ -109,6 +109,11 @@
uint64_t Address,
const void *Decoder);
+static DecodeStatus DecodeGPRMM16ZeroRegisterClass(MCInst &Inst,
+ unsigned RegNo,
+ uint64_t Address,
+ const void *Decoder);
+
static DecodeStatus DecodeGPR32RegisterClass(MCInst &Inst,
unsigned RegNo,
uint64_t Address,
@@ -900,6 +905,13 @@
return MCDisassembler::Success;
}
+static DecodeStatus DecodeGPRMM16ZeroRegisterClass(MCInst &Inst,
+ unsigned RegNo,
+ uint64_t Address,
+ const void *Decoder) {
+ return MCDisassembler::Fail;
+}
+
static DecodeStatus DecodeGPR32RegisterClass(MCInst &Inst,
unsigned RegNo,
uint64_t Address,