Messages in this thread | | | Date | Tue, 21 Apr 2015 01:46:29 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH RFC] x86: enforce inlining for atomics |
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On Mon, Apr 20, 2015 at 11:27:11PM +0200, Hagen Paul Pfeifer wrote: > During some code analysis I realized that atomic_add, atomic_sub and > friends are not necessarily inlined AND that each function is defined > multiple times: > > atomic_inc: 544 duplicates > atomic_dec: 215 duplicates > atomic_dec_and_test: 107 duplicates > atomic64_inc: 38 duplicates > [...] > > Each definition is exact equally, e.g.: > > ffffffff813171b8 <atomic_add>: > 55 push %rbp > 48 89 e5 mov %rsp,%rbp > f0 01 3e lock add %edi,(%rsi) > 5d pop %rbp > c3 retq >
Urgh, that's a GCC fail, what version and compile flags?
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