mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-05 01:54:09 +08:00
6c5875843b
Cache instructions (dcbz, dcbi, dcbf and dcbst) take two registers that are summed to obtain the target address. Using 'Z' constraint and '%y0' argument gives GCC the opportunity to use both registers instead of only one with the second being forced to 0. Suggested-by: Segher Boessenkool <segher@kernel.crashing.org> Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> |
||
---|---|---|
.. | ||
asm | ||
uapi/asm |