This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug rtl-optimization/47379] fwprop1 generates bad codes for x86-64
- From: "pinskia at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 02 Feb 2012 08:49:21 +0000
- Subject: [Bug rtl-optimization/47379] fwprop1 generates bad codes for x86-64
- Auto-submitted: auto-generated
- References: <bug-47379-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47379
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |WAITING
Last reconfirmed| |2012-02-02
Ever Confirmed|0 |1
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-02-02 08:49:21 UTC ---
Can you try after:
2011-12-19 Richard Sandiford <rdsandiford@googlemail.com>
PR rtl-optimization/42839
* fwprop.c (forward_propagate_subreg): Skip the SIGN/ZERO_EXTEND
optimization if the source register is already extended.