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Re: Question re missed CSEing at tree level
- From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
- To: dnovillo at redhat dot com
- Cc: gcc at gcc dot gnu dot org
- Date: Wed, 28 Jul 04 23:23:17 EDT
- Subject: Re: Question re missed CSEing at tree level
Is save_argv volatile? It seems to be, as it's not renamed. If so, we
can't prove that save_argv.233_177 == save_argv.54_96.
Ah, yes, it is. It's a Pragma Import from C and I'd forgotten that a
side-effect of doing that is that it's volatile.
Thanks for the explanation.