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Re: RFC -- update_equiv_regs and friends
- To: amylaar at cambridge dot redhat dot com
- Subject: Re: RFC -- update_equiv_regs and friends
- From: John Wehle <john at feith dot com>
- Date: Thu, 1 Mar 2001 22:36:39 -0500 (EST)
- Cc: rth at redhat dot com, law at redhat dot com, gcc at gcc dot gnu dot org
> Well, as we have seen, it is not redundant, since rtx_varies_p accepts things
> as non-varying that are not strictly non-varying, from the standpoint of
> register allocation.
Hence Bernd's hack to rtx_varies_p. function_invariant_p still misses
other things handled by rtx_varies_p which are strictly non-varying.
-- John
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