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This used to be part of the "restore always" set of registers because __swap was expected to return a value. No longer required, so RAX is moved to the volatile registers and we save a few cycles occasionally. Signed-off-by: Charles E. Youse <charles.youse@intel.com> |
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arc | ||
arm | ||
common | ||
nios2 | ||
posix | ||
riscv | ||
x86 | ||
x86_64 | ||
xtensa | ||
CMakeLists.txt | ||
Kconfig |