[LLVMdev] Stack alignment on X86 AVX seems incorrect

Joerg Sonnenberger joerg at britannica.bec.de
Thu Mar 1 10:31:17 PST 2012


On Thu, Mar 01, 2012 at 06:16:46PM +0000, Demikhovsky, Elena wrote:
> vmovaps should not access stack if it is not aligned to 32

I'm not completely sure I understand your problem. Are you saying that
the generated code assumes 256bit alignment, your default stack
alignment is 128bit and LLVM doesn't adjust it automatically?

Joerg



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