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Re: REG_EH_REGION notes and substitutions into insn
- To: rth at redhat dot com
- Subject: Re: REG_EH_REGION notes and substitutions into insn
- From: kenner at vlsi1 dot ultra dot nyu dot edu (Richard Kenner)
- Date: Wed, 7 Nov 01 20:25:07 EST
- Cc: gcc at gcc dot gnu dot org
Yes, there is no code for this. As I suggested, cse and
combine _ought_ to do it.
The problem is that it's not just cse and combine. It's gcse, perhaps
local-alloc, perhaps loop, etc. It's basically *anybody* who might
optimize the insn.
There needs to be some central way of doing this.