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| author | bonzini <bonzini@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-11-30 07:34:55 +0000 |
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| committer | bonzini <bonzini@138bc75d-0d04-0410-961f-82ee72b054a4> | 2009-11-30 07:34:55 +0000 |
| commit | 426e6c738cc332300bc50f3bfbac47afea256a88 (patch) | |
| tree | f00884f0bf62a839c7294b60335acdff07cd665b /gcc/opth-gen.awk | |
| parent | 08dc6a501c685f2e961fae92388bc449ad097e86 (diff) | |
| download | gcc-426e6c738cc332300bc50f3bfbac47afea256a88.tar.gz | |
2009-11-30 Paolo Bonzini <bonzini@gnu.org>
PR rtl-optimization/41812
* fwprop.c (local_md, local_lr): New globals.
(process_defs, process_uses): Remove local_md argument. Never
consider dead pseudos to have singleton def-use chains.
(single_def_use_enter_block): Perform LR simulation.
(build_single_def_use_links): Remove local_md local variable.
Add DF_NOTE. Allocate local_lr.
(fwprop_done): Do not remove DF_CHAIN, we do not use it anymore.
* df-problems.c (df_md_scratch): New.
(df_md_alloc, df_md_free): Allocate/free it.
(df_md_local_compute): Only include live registers in init.
(df_md_transfer_function): Prune the in-set computed by
the confluence function, and the gen-set too.
(df_simulate_one_insn_forwards): Fix typo.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@154753 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/opth-gen.awk')
0 files changed, 0 insertions, 0 deletions