Use-and-clobber insns and REG_DEAD notes (fwd)

[Michael Matz]

Hi,

On Tue, 15 Jul 2003, Richard Henderson wrote:

> I think that the death note SHOULD exist in the clobber case.

In this particular case, right?  The death note was not for the clobber
but for the use in that insn.  flow added a REG_UNUSED for the clobber,
which I think is wrong.  Adding a REG_DEAD for a clobber doesn't make
sense IMO.


Ciao,
Michael.