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Re: [RFC] Contributing tree-ssa to mainline
- From: Jeff Sturm <jsturm at one-point dot com>
- To: Tom Tromey <tromey at redhat dot com>
- Cc: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>, <gcc at gcc dot gnu dot org>
- Date: Mon, 19 Jan 2004 13:39:16 -0500 (EST)
- Subject: Re: [RFC] Contributing tree-ssa to mainline
On 19 Jan 2004, Tom Tromey wrote:
> Right now I think the tree-ssa benefits to Java are more potential
> than actual. In the future we hope to get array bounds check
> elimination, elimination of redundant type checks, and perhaps
> elimination of redundant class initialization.
Improved null pointer checking in tree-ssa may already help Java. The RTL
optimization did not handle aggregates well, as in:
s->a = 1; if (s != NULL) ...
Jeff