http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48077
Richard Guenther changed:
What|Removed |Added
Status|UNCONFIRMED |RESOLVED
Resolution|
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48077
--- Comment #5 from William J. Schmidt 2011-03-11
21:27:25 UTC ---
BTW, I mis-entered the optimization level before. The code generation was at
-O2 when the mulhw was expanded into shifts/adds with the default P6 tuning.
At -O3 and up, the mulh
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48077
--- Comment #4 from Michael Meissner 2011-03-11
20:43:20 UTC ---
It depends on what the default cpu is for the system. If you say -mcpu=power4,
-mcpu=power5, or -mcpu=power7, it generates code similar to what XLC generates
with mulhw to get the
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48077
William J. Schmidt changed:
What|Removed |Added
Target|powerpc64-linux, others |powerpc64-linux
Component|r
