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Re: [PATCH]: cleanup for conversion exprs code patterns (1/16)
- From: Tomas Bily <tomby at ucw dot cz>
- To: Richard Guenther <richard dot guenther at gmail dot com>
- Cc: gcc-patches at gcc dot gnu dot org, tbily at suse dot cz, tomby at ucw dot cz
- Date: Mon, 7 Apr 2008 15:03:30 +0200
- Subject: Re: [PATCH]: cleanup for conversion exprs code patterns (1/16)
- References: <20080331144912.C402CF00AB@atrey.karlin.mff.cuni.cz> <84fc9c000803310903p39fce391h5839bdfd762176c0@mail.gmail.com>
Hi,
>
> NON_LVALUE_EXPRs should be removed without adding them
> to such grouping scheme first. I suggest you patch tree-cfg.c:verify_expr
> to handle it like
>
> NON_LVALUE_EXPR:
> gcc_unreachable ();
>
> as they shouldn't survive until the middle-end IL (and thus handling for
> it can be safely removed from all places once the verify_expr patch
> bootstraps & tests cleanly). But please separate NON_LVALUE_EXPR
> handling out into a separate patch(-series).
I am not completely sure there. You mean remove only uses of
NON_LVALUE_EXPRs where is not possibility to reach expr as
NON_LVALUE_EXPR or completely remove NON_LVALUE_EXPRs thru whole gcc
(mainly in frontends) ?
Greetings
Tomas