Re: Improve end check on rs6000 prologue analyzer

Daniel Jacobowitz
2006-11-30T20:12:02Z

On Wed, Oct 18, 2006 at 04:05:54PM -0400, Daniel Jacobowitz wrote:
> On Wed, Oct 18, 2006 at 09:58:08PM +0200, Mark Kettenis wrote:
> > Unfortunately, I still get a few regressions, see below. They all
> > seem to be problems with not skipping the complete prologue. I get
> > the feeling that using line number information for prologue skipping
> > is just not reliable :(.
>
> It's true that it isn't completely reliable, but it's usually "good
> enough" and has its own advantages - it's better than accidentally
> walking off into the epilogue, for instance, as this code is currently
> somewhat prone to.
>
> What version of GCC are you using? Perhaps I can reproduce it with a
> different version.

Hi Mark, did you miss this question? I'd really like to figure out why
this patch causes regressions for you.