On Tue, Aug 22, 2017 at 10:25:02AM +0100, Richard Sandiford wrote: > Previously we allowed subregs of non-GPR modes to be base and index > registers in non-strict mode. In practice such subregs will always > require a reload, so we get better code by disallowing them.
Makes sense. > Tested on aarch64-linux-gnu. OK to install? OK. Thanks, James > 2017-08-22 Richard Sandiford <richard.sandif...@linaro.org> > Alan Hayward <alan.hayw...@arm.com> > David Sherwood <david.sherw...@arm.com> > > gcc/ > * config/aarch64/aarch64.c (aarch64_base_register_rtx_p): Only allow > subregs whose inner modes can be stored in GPRs. > (aarch64_classify_index): Likewise. >
