case 'y': // Any MMX register.
case 'x': // Any SSE register.
case 'Q': // Any register accessible as [r]h: a, b, c, and d.
- case 'Z': // 32-bit integer constant for use with zero-extending x86_64
- // instructions.
+ case 'e': // 32-bit signed integer constant for use with zero-extending
+ // x86_64 instructions.
+ case 'Z': // 32-bit unsigned integer constant for use with zero-extending
+ // x86_64 instructions.
case 'N': // unsigned 8-bit integer constant for use with in and out
// instructions.
info = (TargetInfo::ConstraintInfo)(info|TargetInfo::CI_AllowsRegister);