Add comments for XOPA map introduced with TBM instructions.a
llvm-svn: 191630
diff --git a/llvm/lib/Target/X86/X86CodeEmitter.cpp b/llvm/lib/Target/X86/X86CodeEmitter.cpp
index 122d291..806c0b1 100644
--- a/llvm/lib/Target/X86/X86CodeEmitter.cpp
+++ b/llvm/lib/Target/X86/X86CodeEmitter.cpp
@@ -850,7 +850,8 @@
// 0b00011: implied 0F 3A leading opcode bytes
// 0b00100-0b11111: Reserved for future use
// 0b01000: XOP map select - 08h instructions with imm byte
- // 0b10001: XOP map select - 09h instructions with no imm byte
+ // 0b01001: XOP map select - 09h instructions with no imm byte
+ // 0b01010: XOP map select - 0Ah instructions with imm dword
unsigned char VEX_5M = 0x1;
// VEX_4V (VEX vvvv field): a register specifier