Bob Plantz wrote: > Notice that it leaves 8 bytes "above" where the caller's rbp is stored > and the final 8 bytes of the red zone are unused. There seems to be an > 8-byte buffer at both ends of the array. Why? The stack pointer is always kept aligned to 16 bytes so that functions that require it (e.g. those that use SIMD operands) don't have to emit instructions to align it in the prologue. Brian
