Sure, specially with some operations, e.g. code requiring "shuffle" operations [1], which use constants for programing byte reordering, having most compilers pr

Sure, specially with some operations, e.g. code requiring "shuffle" operations [1], which use constants for programing byte reordering, having most compilers problems on complex functions, where because of register pressure some "shuffle" constants are moved in and out from the registers (even when using the "register" keyword for 'helping' the compiler). [1] https://software.intel.com/en-us/node/524215 https://software.intel.com/en-us/node/524215