[LLVMdev] How to force stack alignment for particular target triple in JIT?

[Yuri]

On 02/21/2011 05:25, Joerg Sonnenberger wrote:
> OSX uses 16 Byte. Linux silently changed the SYSV ABI to 16 Byte
> alignment as well. The most likely candidate is that all other ELF
> platforms simply inherited this change.
>    

It turns out that Solaris (and FreeBSD) is supposed to be SYSV compliant 
and should have word stack alignment.
gcc probably made a sweeping change once linux decided to change stack 
alignment.
I filed gcc PR asking gcc to revert their behavior back to prescribed by 
documentation: http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47842

So my previous patch is more for gcc compatibility, rather than a 
permanent correction.

Yuri