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Re: messy combine problem - PPC

On Mon, Dec 03, 2001 at 03:06:06PM -0800, Richard Henderson wrote:
> On Mon, Dec 03, 2001 at 12:49:34PM -0800, Zack Weinberg wrote:
> > Ideas?
> 
> Make record_dead_and_set_regs return after processing a CALL_INSN,
> rather than recording that r3 is set from a call pattern.

I'll try this, but will it inhibit desirable optimizations?

> Also, that should really be using regs_invalidated_by_call rather
> than call_used_regs.  Not that it'll make too much difference, 
> since we don't do a whole lot of combining with fixed registers.

Huh?

zw
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