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[Bug c/29833] gcc 4.1.2 on x86_64 Ubuntu Edgy generates incorrect prefetch instruction
- From: "rguenth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 14 Nov 2006 15:54:11 -0000
- Subject: [Bug c/29833] gcc 4.1.2 on x86_64 Ubuntu Edgy generates incorrect prefetch instruction
- References: <bug-29833-13565@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #2 from rguenth at gcc dot gnu dot org 2006-11-14 15:54 -------
What does adding '-v' to the compile command say? It seems Ubuntu is using a
default -march that enables 3dnow (k8 or opteron maybe) - it should use x86_64
instead.
--
rguenth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29833