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[Bug rtl-optimization/28618] The scheduler extends the lifetime of CLASS_LIKELY_SPILLED registers
- From: "amylaar at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Aug 2006 07:24:21 -0000
- Subject: [Bug rtl-optimization/28618] The scheduler extends the lifetime of CLASS_LIKELY_SPILLED registers
- References: <bug-28618-5394@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #7 from amylaar at gcc dot gnu dot org 2006-08-06 07:24 -------
(In reply to comment #5)
> Also one comment about your patch for soft-fp:
> + /* Wrap the sequence in REG_LIBCALL / REG_RETVAL notes so that loop
> + invariant code motion can move it. */
>
> The tree level loop invariant motion should have moved it already. Why use
> LIBCALL here when we are already trying to remove it?
That bit is from 2004.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28618