--- Additional Comments From rth at gcc dot gnu dot org 2005-04-19 19:34
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No, because __sync_bool_compare_and_swap is overloaded.
This expansion to __sync_bool_compare_and_swap_N is documented.
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--- Additional Comments From hjl at lucon dot org 2005-04-19 16:28 ---
But there is no __sync_bool_compare_and_swap_4 in source code.
If it isn't available, shouldn't gcc leave __sync_bool_compare_and_swap
alone.
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--- Additional Comments From rth at gcc dot gnu dot org 2005-04-19 16:21
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When, exactly, did you think that cmpxchg was added? Use -march=i486. Duh.
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CC||rth at gcc dot gnu dot org
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21097
