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Re: bug in propagate_one_insn

To: law at redhat dot com
Subject: Re: bug in propagate_one_insn
From: Richard Henderson <rth at redhat dot com>
Date: Tue, 31 Jul 2001 14:58:26 -0700
Cc: Daniel Berlin <dan at cgsoftware dot com>, gcc-bugs at gcc dot gnu dot org
References: <87n15p39o6.fsf@cgsoftware.com> <16842.996613297@localhost.localdomain>

On Tue, Jul 31, 2001 at 03:01:37PM -0600, law@redhat.com wrote:
> Err, how did the arguments end up getting set in a different block from
> the libcall itself?

Region scheduling moved them.

As far as I can tell, nothing after flow1 uses LIBCALL/RETVAL at all.
Anyone got a reason not to remove these notes before combine rather
than waiting until after reload?

r~

References:
- bug in propagate_one_insn
  - From: Daniel Berlin
- Re: bug in propagate_one_insn
  - From: law

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