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| author | Bernd Schmidt <bernd.schmidt@analog.com> | 2009-11-12 18:12:09 +0000 |
|---|---|---|
| committer | Bernd Schmidt <bernds@gcc.gnu.org> | 2009-11-12 18:12:09 +0000 |
| commit | 9d324ddebd9179cac8a7dcc1bba76b8579902e9f (patch) | |
| tree | 9a56879015014a7d35d79fa3fcbbfbd94f9704c4 /gcc/ada/init.c | |
| parent | a82892595bc3b2a84b13455711a609138dbcb052 (diff) | |
| download | gcc-9d324ddebd9179cac8a7dcc1bba76b8579902e9f.zip gcc-9d324ddebd9179cac8a7dcc1bba76b8579902e9f.tar.gz gcc-9d324ddebd9179cac8a7dcc1bba76b8579902e9f.tar.bz2 | |
re PR rtl-optimization/38582 (excessive time in rename registers)
PR rtl-opt/38582
* regrename.c (struct du_head): New structure; some elements moved
from...
(struct du_chain): ... this one.
(open_chains, closed_chains): Now of type struct du_head *.
(do_replace): Accept du_head argument, not du_chain. All callers
changed. Modified code to match new data structures.
(build_def_use): Return a list of du_head structures. Modified code
to match new data structures.
(dump_def_use_chain): Accept du_head argument, not du_chain. All
callers changed. Modified code to match new data structures.
(merge_overlapping_regs): Accept du_head argument, not du_chain. All
callers changed. Modified code to match new data structures.
(scan_rtx_reg): Change type of this_regno and this_nregs to unsigned.
Allocate a du_head structure as well as a du_chain when creating a
new chain. Modified other code to match new data structures.
From-SVN: r154123
Diffstat (limited to 'gcc/ada/init.c')
0 files changed, 0 insertions, 0 deletions