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[Bug rtl-optimization/35281] [4.3 regression] multiply with 0 generated for 64*32->64
- From: "ubizjak at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 5 Mar 2008 10:15:00 -0000
- Subject: [Bug rtl-optimization/35281] [4.3 regression] multiply with 0 generated for 64*32->64
- References: <bug-35281-10175@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from ubizjak at gmail dot com 2008-03-05 10:14 -------
Confirmed with
--cut here--
unsigned long long a;
unsigned int b;
unsigned short c;
unsigned long long mul32()
{
return a * b;
}
unsigned long long mul16()
{
return a * c;
}
--cut here--
Setting milestone to 4.3.0
--
ubizjak at gmail dot com changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|UNCONFIRMED |NEW
Ever Confirmed|0 |1
Known to fail| |4.3.0
Known to work| |4.1.2 4.2.3
Last reconfirmed|0000-00-00 00:00:00 |2008-03-05 10:14:59
date| |
Target Milestone|--- |4.3.0
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35281