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[Bug middle-end/42574] Address of global variable is calculated multiple times; CSE doesn't work properly
- From: "steven at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 1 Jan 2010 20:16:30 -0000
- Subject: [Bug middle-end/42574] Address of global variable is calculated multiple times; CSE doesn't work properly
- References: <bug-42574-17572@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #1 from steven at gcc dot gnu dot org 2010-01-01 20:16 -------
Probably doesn't work in CSE because -fcse-skip-blocks was removed (for good
reason). You should try to find out why gcse.c doesn't eliminate this. There
could be (should have been?) a REG_EQUAL note to take care of this.
--
steven at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Last reconfirmed|0000-00-00 00:00:00 |2010-01-01 20:16:29
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42574