On 05/12/2017 05:27 AM, Bin Cheng wrote: > Hi, > Currently available/clobber registers are computed only for GENERAL_REGS, this > patch extends it for all reg pressure classes. It also updates existing uses > in various places. > > Bootstrap and test on x86_64 and AArch64. Is it OK? > > Thanks, > bin > 2017-05-10 Bin Cheng <bin.ch...@arm.com> > > * cfgloop.h (struct target_cfgloop): Change x_target_avail_regs and > x_target_clobbered_regs into array fields. > (init_avail_clobber_regs): New declaration. > * cfgloopanal.c (memmodel.h, ira.h): Include header files. > (init_set_costs): Remove computation for old x_target_avail_regs and > x_target_clobbered_regs fields. > (init_avail_clobber_regs): New function. > (estimate_reg_pressure_cost): Update the uses. > * toplev.c (cfgloop.h): Update comment why the header file is needed. > (backend_init_target): Call init_avail_clobber_regs. > * tree-predcom.c (memmodel.h, ira.h): Include header files. > (MAX_DISTANCE): Update the use. > * tree-ssa-loop-ivopts.c (determine_set_costs): Update the uses. > (determine_set_costs): Ditto. > OK. jeff
