[llvm-commits] [PATCH] Add the alignstack function attribute

[Duncan Sands]

Hi Charles,

> This attribute, which reuses the 'alignstack' keyword, is intended to
> force backends (primarily the x86 backend) to align stacks for generated
> functions to 16 bytes. It is not implemented in any backend yet; I would
> like to get this patch into LLVM before proceeding.

it would be nicer to be able to write alignstack(16), rather than hard-coding
the magic number 16.  I know the attribute infrastructure isn't set up for this
right now...

Ciao,

Duncan.