This is the mail archive of the
gcc@gcc.gnu.org
mailing list for the GCC project.
Re: [tree-ssa][ GC, Virtual operands, and GCing between passes
- From: law at redhat dot com
- To: Andrew MacLeod <amacleod at redhat dot com>
- Cc: Geoff Keating <geoffk at geoffk dot org>, gcc mailing list <gcc at gcc dot gnu dot org>
- Date: Thu, 11 Dec 2003 16:34:27 -0700
- Subject: Re: [tree-ssa][ GC, Virtual operands, and GCing between passes
- Reply-to: law at redhat dot com
In message <1071184128.14253.289.camel@p4>, Andrew MacLeod writes:
>On Thu, 2003-12-11 at 14:30, law@redhat.com wrote:
>> In message <1071016677.17667.2918.camel@p4>, Andrew MacLeod writes:
>> >
>> >I have array of pointers to trees.
>> >
>> >so
>> >
>> >tree **defs;
>> Really pointers to pointers to trees.
>>
>>
>> >I don't want what defs points to to be marked, since they are marked
>> >otherwise, I just need the defs vector itself collected:
>> Is that really the reason why you're going through these contortions? Does
>> it really buy us any measurable improvement?
>>
>
>ACtually, no, the contortions are just to get the GC system to *let* me
>have this vector. I have since punted.
Hmmm, don't we just need an array of pointers to trees? ie
tree *defs?
instead of
tree **defs?
Or am I missing something?
Jeff