On Fri, Aug 07, 2015 at 09:13:06PM +0100, Chris Wilson wrote: > GCC's read access for single bits in a bitfield is reasonable (just a > move + flag comparison), so let's save some cachelines by packing the > write-once/read-many booleans together. > > text data bss dec hex filename > 6490134 191992 26192 6708318 665c5e lib64/i965_dri.so > 6491766 191992 26192 6709950 6662be lib64/i965_dri.so > > Small inflation due to the extra immediate masks and entirely dubious as > to whether it is worth it.
A run though Martin's testsuite on Braswell also suggests the extra code hurts noticeably, so just ignore this patch... -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/mesa-dev
