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Fix qYieldCpu() for ARM < ARMv7 

Apparently, we still support these architecture versions, and there's
no way to detect ARMv6k-or-greater specifically, so exclude yield for
ARM < ARMv7.

Amends 877c158c59.

Fixes: QTBUG-104316
Pick-to: 6.4 6.3
Change-Id: I51a2f0f8e0993dba41e47bb6110473ac8e7cd32a
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
bb10
Marc Mutz 2022-08-03 17:23:20 +02:00
parent fd681d3e85
commit 8128abeaec
1 changed files with 1 additions and 1 deletions
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2
src/corelib/global/qsimd_p.h
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@ -397,7 +397,7 @@ static inline void qYieldCpu()
{
#if defined(Q_PROCESSOR_X86)
_mm_pause();
#elif defined(Q_PROCESSOR_ARM)
#elif defined(Q_PROCESSOR_ARM) && Q_PROCESSOR_ARM >= 7 /* yield was added in ARMv7 */
# if __has_builtin(__builtin_arm_yield) /* e.g. Clang */
__builtin_arm_yield();
# elif defined(Q_OS_INTEGRITY) || \