[PATCH] combine: Special handling for conditional refs when creating log links

[Alexander Monakov]

On Fri, 7 May 2010, Andreas Krebbel wrote:

> I've tested the patch on x86_64 and s390x.  But a real test would
> require a cond_exec target like ia64.

No, on ia64 and arm COND_EXECs don't appear until rather late in the RTL
pipeline.  I don't recall where exactly they are generated, but e.g.
if-conversion produces COND_EXECs only after reload.

Is presence of COND_EXECs really supported by the pre-reload RTL passes?

Alexander