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Re: RESULT_DECL: worth renaming into SSA?
- From: Richard Henderson <rth at redhat dot com>
- To: Diego Novillo <dnovillo at redhat dot com>
- Cc: "gcc at gcc dot gnu dot org" <gcc at gcc dot gnu dot org>
- Date: Thu, 15 Jul 2004 18:17:45 -0700
- Subject: Re: RESULT_DECL: worth renaming into SSA?
- References: <1089930755.28963.1.camel@localhost.localdomain>
On Thu, Jul 15, 2004 at 06:32:36PM -0400, Diego Novillo wrote:
> RESULT_DECLs seem to be written once and never read. Is it worth
> keeping them in SSA form? ISTR some recent changes in this area.
aggregate_type_p RESULT_DECLs are read and written more than once,
as virtual operands.
Otherwise we do only write to it in the return statement.
r~