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Merge pull request #10735 from seiko2plus:coreYieldPPC

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pull/10742/head
Alexander Alekhin 7 years ago
parent f57630d92b 4e1d396ce1
commit 2c1161a6f9
1 changed files with 2 additions and 0 deletions
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  1. 2
      modules/core/src/parallel_impl.cpp

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modules/core/src/parallel_impl.cpp
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@ -55,6 +55,8 @@ DECLARE_CV_PAUSE
# define CV_PAUSE(v) do { for (int __delay = (v); __delay > 0; --__delay) { asm volatile("yield" ::: "memory"); } } while (0) # define CV_PAUSE(v) do { for (int __delay = (v); __delay > 0; --__delay) { asm volatile("yield" ::: "memory"); } } while (0)
# elif defined __GNUC__ && defined __arm__ # elif defined __GNUC__ && defined __arm__
# define CV_PAUSE(v) do { for (int __delay = (v); __delay > 0; --__delay) { asm volatile("" ::: "memory"); } } while (0) # define CV_PAUSE(v) do { for (int __delay = (v); __delay > 0; --__delay) { asm volatile("" ::: "memory"); } } while (0)
# elif defined __GNUC__ && defined __PPC64__
# define CV_PAUSE(v) do { for (int __delay = (v); __delay > 0; --__delay) { asm volatile("or 27,27,27" ::: "memory"); } } while (0)
# else # else
# warning "Can't detect 'pause' (CPU-yield) instruction on the target platform. Specify CV_PAUSE() definition via compiler flags." # warning "Can't detect 'pause' (CPU-yield) instruction on the target platform. Specify CV_PAUSE() definition via compiler flags."
# define CV_PAUSE(...) do { /* no-op: works, but not effective */ } while (0) # define CV_PAUSE(...) do { /* no-op: works, but not effective */ } while (0)

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