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Re: GREG modifying the FIXED_REGISTERS...
- From: Richard Henderson <rth at redhat dot com>
- To: Jean Christophe Beyler <jean dot christophe dot beyler at gmail dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Fri, 21 Aug 2009 17:12:06 -0700
- Subject: Re: GREG modifying the FIXED_REGISTERS...
- References: <c568a2600908211601u2f80d4b7t9968d1470b1ad87f@mail.gmail.com>
On 08/21/2009 04:01 PM, Jean Christophe Beyler wrote:
/* If we have a 0, use r0 instead */
Don't do this. See how, e.g. alpha and mips handle the zero register.
You want to leave this as (const_int 0) throughout compilation.
r~