On Tue, Jul 12, 2011 at 9:50 AM, William J. Schmidt <wschm...@linux.vnet.ibm.com> wrote: > Ilya, thanks for posting this! This patch is useful also on powerpc64. > Applying it solved a performance degradation with bwaves due to loss of > reassociation somewhere between 4.5 and 4.6 (still tracking it down). > When we apply -ftree-reassoc-width=2 to bwaves, the more optimal code > generation returns.
It is good to know. Ilya, please mention PR middle-end/44382 in ChangeLog. Thanks. H.J. --
