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[Bug target/27991] [4.2 regression] ICE in reload_cse_simplify_operands
- From: "pbrook 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 Jul 2006 15:26:25 -0000
- Subject: [Bug target/27991] [4.2 regression] ICE in reload_cse_simplify_operands
- References: <bug-27991-50@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from pbrook at gcc dot gnu dot org 2006-07-06 15:26 -------
It looks like this is a latent bug.
My patch allows negxf to operate on integer registers (previously it was only
implemented on FP regs).
This causes the register allocator to make different register choices, and
reload falls over.
--
pbrook at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |pbrook at gcc dot gnu dot
|dot org |org
Status|UNCONFIRMED |ASSIGNED
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2006-07-06 15:26:24
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27991