diff options
Diffstat (limited to 'lib/Target/X86/X86MCCodeEmitter.cpp')
| -rw-r--r-- | lib/Target/X86/X86MCCodeEmitter.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Target/X86/X86MCCodeEmitter.cpp b/lib/Target/X86/X86MCCodeEmitter.cpp index 9f36aaa28c..f60e73968d 100644 --- a/lib/Target/X86/X86MCCodeEmitter.cpp +++ b/lib/Target/X86/X86MCCodeEmitter.cpp @@ -543,7 +543,7 @@ void X86MCCodeEmitter::EmitVEXOpcodePrefix(uint64_t TSFlags, unsigned &CurByte, // unsigned char LastByte = VEX_PP | (VEX_L << 2) | (VEX_4V << 3); - if (VEX_B && VEX_X && !VEX_W) { // 2 byte VEX prefix + if (VEX_B && VEX_X && !VEX_W && (VEX_5M == 1)) { // 2 byte VEX prefix EmitByte(0xC5, CurByte, OS); EmitByte(LastByte | (VEX_R << 7), CurByte, OS); return; |