On 9/9/19 5:21 AM, Richard Sandiford wrote:
> bt-load.c has AFAIK been dead code since the removal of the SH5 port
> in 2016. I have a patch series that would need to update the liveness
> tracking in a nontrivial way, so it seemed better to remove the pass
> rather than install an untested and probably bogus change.
>
> Tested on aarch64-linux-gnu, x86_64-linux-gnu and by cross-building
> one target for each CPU directory. OK to install?
>
> Richard
>
>
> 2019-09-09 Richard Sandiford <richard.sandif...@arm.com>
>
> gcc/
> * Makefile.in (OBJS): Remove bt-load.o.
> * doc/invoke.texi (fbranch-target-load-optimize): Delete.
> (fbranch-target-load-optimize2, fbtr-bb-exclusive): Likewise.
> * common.opt (fbranch-target-load-optimize): Mark as Ignore and
> document that the option no longer does anything.
> (fbranch-target-load-optimize2, fbtr-bb-exclusive): Likewise.
> * target.def (branch_target_register_class): Delete.
> (branch_target_register_callee_saved): Likewise.
> * doc/tm.texi.in (TARGET_BRANCH_TARGET_REGISTER_CLASS): Likewise.
> (TARGET_BRANCH_TARGET_REGISTER_CALLEE_SAVED): Likewise.
> * doc/tm.texi: Regenerate.
> * tree-pass.h (make_pass_branch_target_load_optimize1): Delete.
> (make_pass_branch_target_load_optimize2): Likewise.
> * passes.def (pass_branch_target_load_optimize1): Likewise.
> (pass_branch_target_load_optimize2): Likewise.
> * targhooks.h (default_branch_target_register_class): Likewise.
> * targhooks.c (default_branch_target_register_class): Likewise.
> * opt-suggestions.c (test_completion_valid_options): Remove
> -fbtr-bb-exclusive from the list of test options.
> * bt-load.c: Remove.
OK
jeff
