This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug middle-end/28690] [4.2 Regression] Performace problem with indexed load/stores on powerpc
- From: "bergner at vnet dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 21 Sep 2006 18:14:43 -0000
- Subject: [Bug middle-end/28690] [4.2 Regression] Performace problem with indexed load/stores on powerpc
- References: <bug-28690-5233@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #9 from bergner at vnet dot ibm dot com 2006-09-21 18:14 -------
Created an attachment (id=12305)
--> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=12305&action=view)
Patch to rs6000_legitimize_address to force base pointers into rA position of
indexed load/store instructions.
It seems -msoft-float doesn't like the operand swapping, so this patch disables
it when we specify -msoft-float on the compile command.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=28690