Re: [rfa] mips argument passing fixes for o32

[Daniel Jacobowitz <drow@mvista.com>]

On Fri, Jul 20, 2001 at 06:20:46PM -0400, Andrew Cagney wrote:
> Daniel,
> 
> Just to close this current thread.  For the moment I'm rejecting the change:
> 
> >if (!MIPS_EABI
> >               && MIPS_SAVED_REGSIZE < 8
> >-              && TARGET_BYTE_ORDER == BIG_ENDIAN
> >+              && (TARGET_BYTE_ORDER == BIG_ENDIAN
> >+              || TYPE_LENGTH (arg_type) < MIPS_SAVED_REGSIZE)
> >               && partial_len < MIPS_SAVED_REGSIZE
> >               && (typecode == TYPE_CODE_STRUCT ||
> >               typecode == TYPE_CODE_UNION))
> 
> I need hard evidence (not comments from GCC) that LE o32 does indead 
> left shift small register structs.  I'll probably eventually get that 
> evidence however, until then I'd prefer to drop this change.

Meanwhile, to really close the current thread, I have adequately
convinced myself and the current MIPS GCC maintainer that GCC is in
error.  Hopefully be fixed soon in the dev snapshots, after he tests my
patch a little more.

-- 
Daniel Jacobowitz                           Carnegie Mellon University
MontaVista Software                         Debian GNU/Linux Developer