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| author | Jakub Jelinek <jakub@redhat.com> | 2016-09-16 21:17:47 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2016-09-16 21:17:47 +0200 |
| commit | 299910482fcd0627fe1162c1fedbcd09b5630ffe (patch) | |
| tree | 66a335c06c85833590a8c8c17b8332a42d78e963 /gcc/stor-layout.c | |
| parent | 84c08ec96a558fcb648e27f3f4a2e7532079d5bd (diff) | |
| download | gcc-299910482fcd0627fe1162c1fedbcd09b5630ffe.zip gcc-299910482fcd0627fe1162c1fedbcd09b5630ffe.tar.gz gcc-299910482fcd0627fe1162c1fedbcd09b5630ffe.tar.bz2 | |
re PR libgcc/71744 (Concurrently throwing exceptions is not scalable)
PR libgcc/71744
* unwind-dw2-fde.c (ATOMIC_FDE_FAST_PATH): Define if __register_frame*
is not the primary registry and atomics are available.
(any_objects_registered): New variable.
(__register_frame_info_bases, __register_frame_info_table_bases):
Atomically store 1 to any_objects_registered after registering first
unwind info.
(_Unwind_Find_FDE): Return early if any_objects_registered is 0.
From-SVN: r240193
Diffstat (limited to 'gcc/stor-layout.c')
0 files changed, 0 insertions, 0 deletions