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>
 | 
						|
 | 
						|
	.text
 | 
						|
	.align	32
 | 
						|
ENTRY(__arch_hweight8)
 | 
						|
	ba,pt	%xcc, __sw_hweight8
 | 
						|
	 nop
 | 
						|
	nop
 | 
						|
ENDPROC(__arch_hweight8)
 | 
						|
	.section	.popc_3insn_patch, "ax"
 | 
						|
	.word		__arch_hweight8
 | 
						|
	sllx		%o0, 64-8, %g1
 | 
						|
	retl
 | 
						|
	 popc		%g1, %o0
 | 
						|
	.previous
 | 
						|
 | 
						|
ENTRY(__arch_hweight16)
 | 
						|
	ba,pt	%xcc, __sw_hweight16
 | 
						|
	 nop
 | 
						|
	nop
 | 
						|
ENDPROC(__arch_hweight16)
 | 
						|
	.section	.popc_3insn_patch, "ax"
 | 
						|
	.word		__arch_hweight16
 | 
						|
	sllx		%o0, 64-16, %g1
 | 
						|
	retl
 | 
						|
	 popc		%g1, %o0
 | 
						|
	.previous
 | 
						|
 | 
						|
ENTRY(__arch_hweight32)
 | 
						|
	ba,pt	%xcc, __sw_hweight32
 | 
						|
	 nop
 | 
						|
	nop
 | 
						|
ENDPROC(__arch_hweight32)
 | 
						|
	.section	.popc_3insn_patch, "ax"
 | 
						|
	.word		__arch_hweight32
 | 
						|
	sllx		%o0, 64-32, %g1
 | 
						|
	retl
 | 
						|
	 popc		%g1, %o0
 | 
						|
	.previous
 | 
						|
 | 
						|
ENTRY(__arch_hweight64)
 | 
						|
	ba,pt	%xcc, __sw_hweight64
 | 
						|
	 nop
 | 
						|
	nop
 | 
						|
ENDPROC(__arch_hweight64)
 | 
						|
	.section	.popc_3insn_patch, "ax"
 | 
						|
	.word		__arch_hweight64
 | 
						|
	retl
 | 
						|
	 popc		%o0, %o0
 | 
						|
	nop
 | 
						|
	.previous
 |