* m68k, extendqidi2 problem
@ 2004-03-05 23:25 Richard Zidlicky
2004-03-06 19:27 ` Richard Henderson
0 siblings, 1 reply; 2+ messages in thread
From: Richard Zidlicky @ 2004-03-05 23:25 UTC (permalink / raw)
To: gcc mailing list
Hi,
I get illegal code like
move.b %a0,%d1
extb.l %d1
smi %d0
extb.l %d0
Afaics the reason is that the extendqidi2 constraints for %1
in m68k.md:1453 allows "r" instead of "d".
It seems we can keep the constraint as is and make a move.w when
%1 is ADDRESS_REG_P, other suggestions?
Richard
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: m68k, extendqidi2 problem
2004-03-05 23:25 m68k, extendqidi2 problem Richard Zidlicky
@ 2004-03-06 19:27 ` Richard Henderson
0 siblings, 0 replies; 2+ messages in thread
From: Richard Henderson @ 2004-03-06 19:27 UTC (permalink / raw)
To: Richard Zidlicky; +Cc: gcc mailing list
On Sat, Mar 06, 2004 at 12:21:26AM +0100, Richard Zidlicky wrote:
> It seems we can keep the constraint as is and make a move.w when
> %1 is ADDRESS_REG_P...
That seems ok.
r~
^ permalink raw reply [flat|nested] 2+ messages in thread
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