On 11/11/2017 05:33 PM, Fengguang Wu wrote:
CC gcc list. According to Alexei:This is a known issue with gcc 7 on mips that is "optimizing" normal 64-bit multiply into 128-bit variant. Nothing to fix on the kernel side.
I filed a bug report. This is now https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82981 I found a helpful thread at https://www.linux-mips.org/archives/linux-mips/2017-08/msg00041.html that had enough info for me to reproduce and file the bug report. Jim