diff options
Diffstat (limited to 'lib/Target/X86/X86InstrInfo.h')
| -rw-r--r-- | lib/Target/X86/X86InstrInfo.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/Target/X86/X86InstrInfo.h b/lib/Target/X86/X86InstrInfo.h index f762b58..ad0217a 100644 --- a/lib/Target/X86/X86InstrInfo.h +++ b/lib/Target/X86/X86InstrInfo.h @@ -453,7 +453,13 @@ namespace X86II { // VEX_I8IMM - Specifies that the last register used in a AVX instruction, // must be encoded in the i8 immediate field. This usually happens in // instructions with 4 operands. - VEX_I8IMM = 1ULL << 35 + VEX_I8IMM = 1ULL << 35, + + // VEX_L - Stands for a bit in the VEX opcode prefix meaning the current + // instruction uses 256-bit wide registers. This is usually auto detected if + // a VR256 register is used, but some AVX instructions also have this field + // marked when using a f256 memory references. + VEX_L = 1ULL << 36 }; // getBaseOpcodeFor - This function returns the "base" X86 opcode for the |
