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Re: peephole2: dead regs not marked as dead

From: Ian Lance Taylor <iant at google dot com>
To: Georg Lay <avr at gjlay dot de>
Cc: GCC Development <gcc at gcc dot gnu dot org>
Date: Fri, 22 Oct 2010 11:27:46 -0700
Subject: Re: peephole2: dead regs not marked as dead
References: <4CC00268.1020803@gjlay.de> <mcrvd4v1inv.fsf@google.com> <4CC1729C.1030601@gjlay.de>

Georg Lay <avr@gjlay.de> writes:

> Unfortunately, not all dead regs are marked as dead.

OK, you have a good example.  And my response is: it seems to me that
d15 should be marked as dead.  So the question is why that is not
happening.  I don't know the answer.

Ian

References:
- peephole2: dead regs not marked as dead
  - From: Georg Lay
- Re: peephole2: dead regs not marked as dead
  - From: Ian Lance Taylor
- Re: peephole2: dead regs not marked as dead
  - From: Georg Lay

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