Re: [PATCH,GCC9]rs6000: Backport fixes for PR92923 and PR93136

2020-09-01 Thread Segher Boessenkool
Hi! On Mon, Aug 31, 2020 at 11:46:07AM +0800, Kewen.Lin wrote: > This patch is to backport the fix for PR92923 and its sequent fix for > PR93136 to GCC-9 branch. We found the builtin functions needlessly > using VIEW_CONVERT_EXPRs on their operands can probably cause > remarkable performance issu

[PATCH,GCC9]rs6000: Backport fixes for PR92923 and PR93136

2020-08-30 Thread Kewen.Lin via Gcc-patches
Hi, This patch is to backport the fix for PR92923 and its sequent fix for PR93136 to GCC-9 branch. We found the builtin functions needlessly using VIEW_CONVERT_EXPRs on their operands can probably cause remarkable performance issue especailly when they are in the hotspot. One typical case is h