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Re: PPC failure bootstrap fix
- From: Richard Sandiford <rsandifo at redhat dot com>
- To: Jan Hubicka <jh at suse dot cz>
- Cc: rth at redhat dot com, gcc-patches at gcc dot gnu dot org
- Date: Tue, 07 Sep 2004 07:42:26 +0100
- Subject: Re: PPC failure bootstrap fix
- References: <20040906203646.GM9488@kam.mff.cuni.cz>
Jan Hubicka <jh@suse.cz> writes:
> I am not sure who exactly is guilty for this failure but it looks safest to
> prevent these constructs from being wrapped by CONST (I would say that
> it should not be LEGITIMATE_CONSTANT_P at first places but there seems
> to be no such checks anywhere in most backends).
FWIW, this failure showed up on MIPS too, and MIPS's L_C_P _does_
reject (const (minus ...)). The expression was therefore forced into
the constant pool and (not surprisingly) the assembler didn't like
that either.
Richard