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Re: Can't build libiberty (cplus-dem) for target mn10300-elf
- To: law at cygnus dot com
- Subject: Re: Can't build libiberty (cplus-dem) for target mn10300-elf
- From: Alexandre Oliva <aoliva at cygnus dot com>
- Date: 18 May 2000 20:02:45 -0300
- Cc: gcc-patches at gcc dot gnu dot org
- Organization: Cygnus Solutions, a Red Hat Company
- References: <5504.958689422@upchuck>
On May 18, 2000, Jeffrey A Law <law@cygnus.com> wrote:
> In message <oraehnjxg6.fsf@saci.lsd.ic.unicamp.br>you write:
>> We don't have an `else_bb', so insn_b is left for life_analysis() to
>> delete. However, life_analysis() will only run in flow2, just after
>> greg, in which the problem shows up.
> Errr, we do an incremental life analysis pass at the end of if conversion.
Yup, but it just adds the notes, it doesn't attempt to delete any
insns, AFAICT. The unused note is added by update_life_info(), and I
can't find any code that might attempt to delete insns there. Am I
missing anything?
--
Alexandre Oliva Enjoy Guaranį, see http://www.ic.unicamp.br/~oliva/
Cygnus Solutions, a Red Hat company aoliva@{redhat, cygnus}.com
Free Software Developer and Evangelist CS PhD student at IC-Unicamp
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