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Re: Commit policy wrt. to-be-obsolete targets
- From: Richard Henderson <rth at redhat dot com>
- To: Ian Dall <ian at beware dot dropbear dot id dot au>
- Cc: law at redhat dot com, gcc at gcc dot gnu dot org
- Date: Sat, 1 Jun 2002 21:20:39 -0700
- Subject: Re: Commit policy wrt. to-be-obsolete targets
- References: <7150.1022866293@porcupine.cygnus.com> <87lm9z61bc.fsf@sibyl.beware.dropbear.id.au>
On Sat, Jun 01, 2002 at 02:30:07PM +0930, Ian Dall wrote:
> This is a RELOAD_FOR_OPERAND_ADDRESS. You can't reload the register because
> that could change the condition codes (without some way of specifying that
> it is safe). However, you can write the result to a memory slot, or
> to a register, and then copy that to the final destination, ergo, no
> input reload.
On your target maybe. Not on m68k though. Ergo not a generic bug.
r~