Opened 12 years ago
Closed 12 years ago
#5333 closed Bugs (duplicate)
usage of deprecated swp instruction on arm
| Reported by: | Owned by: | Peter Dimov | |
|---|---|---|---|
| Milestone: | To Be Determined | Component: | smart_ptr |
| Version: | Boost 1.46.0 | Severity: | Problem |
| Keywords: | arm deprecated | Cc: |
Description
Hi,
In smart_ptr/detail/spinlock_gcc_arm.hpp There is use of the deprecated swp instruction (for armv6 and above). This emits warning when compiling and also is supposed to have performance penalty on SMP platforms.
Can this be fixed using new instructions (ldrex etc..) ?
Thanks.
Boaz
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