On 9/29/19 11:05 PM, Jeff Law wrote: > On 9/11/19 1:09 PM, Richard Sandiford wrote: >> cselib_invalidate_regno is a no-op if REG_VALUES (i) is null, >> so we can check that first. Then, if we know what mode the register >> currently has, we can check whether it's clobbered in that mode. >> >> Using GET_MODE (values->elt->val_rtx) to get the mode of the last >> set is taken from cselib_reg_set_mode. >> >> >> 2019-09-11 Richard Sandiford <richard.sandif...@arm.com> >> >> gcc/ >> * cselib.c (cselib_process_insn): If we know what mode a >> register was set in, check whether it is clobbered in that >> mode by a call. Only fall back to reg_raw_mode if that fails. > OK > jeff >
Caused https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92264 Martin
