https://github.com/torvalds/linux
Revision 4b664e739f7743f91e1d12ebfb7a76307ebea702 authored by Matthew Wilcox on 18 January 2018, 21:52:17 UTC, committed by Linus Torvalds on 19 January 2018, 18:47:51 UTC
Force __builtin_constant_p to evaluate whether the argument to atomic_add
& atomic_sub is constant in the front-end before optimisations which
can lead GCC to output a call to __bad_increment_for_ia64_fetch_and_add().

See GCC bugzilla 83653.

Signed-off-by: Jakub Jelinek <jakub@redhat.com>
Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 726ba84
History
Tip revision: 4b664e739f7743f91e1d12ebfb7a76307ebea702 authored by Matthew Wilcox on 18 January 2018, 21:52:17 UTC
ia64: Rewrite atomic_add and atomic_sub
Tip revision: 4b664e7
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.cocciconfig -rw-r--r-- 59 bytes
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