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Re: Incomplete instatitiation of virtual registers
- From: Richard Henderson <rth at redhat dot com>
- To: James E Wilson <wilson at specifixinc dot com>
- Cc: Martin Koegler <mkoegler at auto dot tuwien dot ac dot at>, gcc at gcc dot gnu dot org
- Date: Tue, 3 May 2005 17:54:40 -0700
- Subject: Re: Incomplete instatitiation of virtual registers
- References: <20050501152531.GA6219@ahab.auto.tuwien.ac.at> <42781AFF.30305@specifixinc.com>
On Tue, May 03, 2005 at 05:44:47PM -0700, James E Wilson wrote:
> Recursively calling instantiate_virtual_regs_in_insn does not look
> right.
Indeed it is not.
I'd like to see the define_insn for {addhi3}. I'm a bit confused as
to how I could have missed iterating over what appears like it ought
to be match_operand 0.
> I know of one PR that has since been filed for a problem with the new
> virtual register instantiation code. That is PR 21328.
Actually, 21318, but yes this is unrelated. The symptom in that case
is an ICE in simplify_subreg.
r~