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MDEV-8684: Use POWER wrappers rather than direct asm

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i.e. __ppc_set_ppr_low rather than 'or 1,1,1'
This commit is contained in:
Daniel Black 2016-04-01 09:03:57 +11:00
commit 26c38de804
3 changed files with 9 additions and 6 deletions
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5
configure.cmake
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@ -857,10 +857,11 @@ IF(NOT CMAKE_CROSSCOMPILING AND NOT MSVC)
ENDIF()
IF (NOT HAVE_PAUSE_INSTRUCTION)
CHECK_C_SOURCE_COMPILES("
#include <sys/platform/ppc.h>
int main()
{
__asm__ __volatile__ (\"or 1,1,1\");
__asm__ __volatile__ (\"or 2,2,2\");
__ppc_set_ppr_low();
__ppc_set_ppr_med();
return 0;
}
" HAVE_HMT_PRIORITY_INSTRUCTION)

5
storage/innobase/include/ut0ut.h
View file

@ -100,8 +100,9 @@ private:
#define UT_COMPILER_BARRIER() __asm__ __volatile__ ("":::"memory")
# if defined(HAVE_HMT_PRIORITY_INSTRUCTION)
# define UT_LOW_PRIORITY_CPU() __asm__ __volatile__ ("or 1,1,1")
# define UT_RESUME_PRIORITY_CPU() __asm__ __volatile__ ("or 2,2,2")
#include <sys/platform/ppc.h>
# define UT_LOW_PRIORITY_CPU() __ppc_set_ppr_low()
# define UT_RESUME_PRIORITY_CPU() __ppc_set_ppr_med()
# else
# define UT_LOW_PRIORITY_CPU() ((void)0)
# define UT_RESUME_PRIORITY_CPU() ((void)0)

5
storage/xtradb/include/ut0ut.h
View file

@ -97,8 +97,9 @@ private:
#define UT_COMPILER_BARRIER() __asm__ __volatile__ ("":::"memory")
# if defined(HAVE_HMT_PRIORITY_INSTRUCTION)
# define UT_LOW_PRIORITY_CPU() __asm__ __volatile__ ("or 1,1,1")
# define UT_RESUME_PRIORITY_CPU() __asm__ __volatile__ ("or 2,2,2")
#include <sys/platform/ppc.h>
# define UT_LOW_PRIORITY_CPU() __ppc_set_ppr_low()
# define UT_RESUME_PRIORITY_CPU() __ppc_set_ppr_med()
# else
# define UT_LOW_PRIORITY_CPU() ((void)0)
# define UT_RESUME_PRIORITY_CPU() ((void)0)