On 08/23/2017 04:51 AM, Richard Sandiford wrote: > This patch uses subreg_lowpart_offset in places that open-coded > the calculation. It also uses it in regcprop.c to test whether, > after a mode change, the first register in a multi-register group > is still the right one. > > Tested on aarch64-linux-gnu and x86_64-linux-gnu, and by making sure > that there were no differences in testsuite assembly output for one > target per CPU. OK to install? > > Richard > > > 2017-08-23 Richard Sandiford <richard.sandif...@linaro.org> > Alan Hayward <alan.hayw...@arm.com> > David Sherwood <david.sherw...@arm.com> > > gcc/ > * calls.c (expand_call): Use subreg_lowpart_offset. > * cse.c (cse_insn): Likewise. > * regcprop.c (copy_value): Likewise. > (copyprop_hardreg_forward_1): Likewise. It was far from obvious that the open coded versions actually corresponded to subreg_lowpart_offset. Sorry it took so long.
OK. jeff
