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[Bug target/31361] SSE2 generation bug with shifts
- From: "rth at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 26 Mar 2007 18:14:44 -0000
- Subject: [Bug target/31361] SSE2 generation bug with shifts
- References: <bug-31361-11263@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #3 from rth at gcc dot gnu dot org 2007-03-26 19:14 -------
Confirmed. We've modeled the instruction incorrectly; it takes the shift
count from the entire 128-bit xmm register, not the low 32 or 8 bits.
--
rth at gcc dot gnu dot org changed:
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|unassigned at gcc dot gnu |rth at gcc dot gnu dot org
|dot org |
Status|UNCONFIRMED |ASSIGNED
Component|c |target
Ever Confirmed|0 |1
GCC build triplet|x86_64 |
GCC host triplet|x86_64 |
GCC target triplet|x86_64 |i386-*
Last reconfirmed|0000-00-00 00:00:00 |2007-03-26 19:14:44
date| |
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31361