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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-11-01 00:48:50 +00:00
ef7c4d4675
Just like powerpc, we code patch at boot time. Signed-off-by: David S. Miller <davem@davemloft.net>
51 lines
846 B
ArmAsm
51 lines
846 B
ArmAsm
#include <linux/linkage.h>
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.text
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.align 32
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ENTRY(__arch_hweight8)
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ba,pt %xcc, __sw_hweight8
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nop
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nop
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ENDPROC(__arch_hweight8)
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.section .popc_3insn_patch, "ax"
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.word __arch_hweight8
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sllx %o0, 64-8, %g1
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retl
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popc %g1, %o0
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.previous
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ENTRY(__arch_hweight16)
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ba,pt %xcc, __sw_hweight16
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nop
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nop
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ENDPROC(__arch_hweight16)
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.section .popc_3insn_patch, "ax"
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.word __arch_hweight16
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sllx %o0, 64-16, %g1
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retl
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popc %g1, %o0
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.previous
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ENTRY(__arch_hweight32)
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ba,pt %xcc, __sw_hweight32
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nop
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nop
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ENDPROC(__arch_hweight32)
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.section .popc_3insn_patch, "ax"
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.word __arch_hweight32
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sllx %o0, 64-32, %g1
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retl
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popc %g1, %o0
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.previous
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ENTRY(__arch_hweight64)
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ba,pt %xcc, __sw_hweight64
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nop
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nop
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ENDPROC(__arch_hweight64)
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.section .popc_3insn_patch, "ax"
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.word __arch_hweight64
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retl
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popc %o0, %o0
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nop
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.previous
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