MASM article at codeproject.com

[aw27]

Hello members,

I found this article at http://www.codeproject.com/Articles/1123638/MASM-Stack-Memory-Alignment
The author would appreciate any comments in order to help improve it.

Cheers,

aw27

[jj2007]

Code Select Expand

SAVE_XMM_IN_ALIGNED_STACK_MEMORY macro PtrToStackMem, reg
    push eax ;; Now we are safe to "push" and "pop" registers.
    mov eax, PtrToStackMem
    movaps [eax], reg ;; Were the memory not aligned and an exception would occur here.
    pop eax
endm

Yep, we all know that movaps is much faster than movups 8)

[aw27]

And when you call a function that expects a 16-byte aligned parameter, we can always ask its developer to change it to accept unaligned memory and use movups to realign it.  :t