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Re: DECL_CALL_CLOBBERED tweek
- From: Diego Novillo <dnovillo at redhat dot com>
- To: Jan Hubicka <jh at suse dot cz>
- Cc: gcc-patches at gcc dot gnu dot org, amacleod at redhat dot com
- Date: Thu, 21 Dec 2006 08:14:41 -0500
- Subject: Re: DECL_CALL_CLOBBERED tweek
- References: <20061221022240.GF20929@kam.mff.cuni.cz>
Jan Hubicka wrote on 12/20/06 21:22:
* tree.h (DECL_CALL_CLOBBERED): Use variable annotation.
(tree_decl_common): Remove call_clobbered_flag. * tree-flow.h
(var_ann_d): Add call_clobbered flag.
What difference does it make if we check the annotation rather than a
DECL_COMMON field? This doesn't make a lot of sense to me.