------- Additional Comments From zack at codesourcery dot com  2004-01-23 23:24 
-------
Subject: Re: PR 13722 candidate fix

Andreas Schwab <[EMAIL PROTECTED]> writes:

> "Zack Weinberg" <[EMAIL PROTECTED]> writes:
>
>> I'm at a bit of a loss trying to find the miscompilation.  It's going
>> wrong somewhere either in Name_Find or Load_Source_File or their
>> subroutines, and I don't know which.  Could you try to run it under
>> the debugger and find out where the broken code is?
>
> I tried, but unfortunately gdb (even the one from CVS) is unable to
> properly interpret the debug information that gcc is generating, making it
> pretty much impossible to track variables and their values.

This unfortunately puts us into shot-in-the-dark territory.  However,
Jim pointed out one problem (lack of REG_INC notes in all cases) and
I found another (probably more serious; fixup insns generated for
unadjustible POST_MODIFY were being emitted in the wrong place).  So,
if you wouldn't mind trying the appended revision (changes only
ia64.c)?

zw


------- Additional Comments From zack at codesourcery dot com  2004-01-23 23:24 
-------
Created an attachment (id=5566)
 --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=5566&action=view)


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13722

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