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Re: PR 13722 candidate fix

On Fri, 2004-01-23 at 15:23, Zack Weinberg wrote:
> unadjustible POST_MODIFY were being emitted in the wrong place).  So,
> if you wouldn't mind trying the appended revision (changes only
> ia64.c)?

FYI you got the PR number wrong again in the attachment file name.

A -O0 c/ada bootstrap works.  A -O1 c/ada bootstrap does not.  So there
is the possibility here of doing a binary search to narrow down the
problem to one file, and with a little hackery, we could narrow down the
problem to one function.  This doesn't require any heavy lifting, but
will be time consuming.

I'm going to try disabling auto-inc addressing types, to see if maybe
only one of them is broken.

I think it would also be helpful to have debug_rtx() calls in
ia64_split_tmode_move, so I can see the actual before and after rtx
during the ada build.  I might be able to spot a problem that way.  I
may try doing this.
-- 
Jim Wilson, GNU Tools Support, http://www.SpecifixInc.com
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