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original_kernel/arch/sparc/lib/hweight.S

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sparc: Use popc if possible for hweight routines. Just like powerpc, we code patch at boot time. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-30 00:42:07 +08:00
#include <linux/linkage.h>
sparc: move exports to definitions Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-01-17 10:39:30 +08:00
#include <asm/export.h>
sparc: Use popc if possible for hweight routines. Just like powerpc, we code patch at boot time. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-30 00:42:07 +08:00
.text
.align 32
ENTRY(__arch_hweight8)
sparc64: Use indirect calls in hamming weight stubs Otherwise, depending upon link order, the branch relocation limits could be exceeded. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-06-22 22:56:48 +08:00
sethi %hi(__sw_hweight8), %g1
jmpl %g1 + %lo(__sw_hweight8), %g0
sparc: Use popc if possible for hweight routines. Just like powerpc, we code patch at boot time. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-30 00:42:07 +08:00
nop
ENDPROC(__arch_hweight8)
sparc: move exports to definitions Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-01-17 10:39:30 +08:00
EXPORT_SYMBOL(__arch_hweight8)
sparc: Use popc if possible for hweight routines. Just like powerpc, we code patch at boot time. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-30 00:42:07 +08:00
.section .popc_3insn_patch, "ax"
.word __arch_hweight8
sllx %o0, 64-8, %g1
retl
popc %g1, %o0
.previous
ENTRY(__arch_hweight16)
sparc64: Use indirect calls in hamming weight stubs Otherwise, depending upon link order, the branch relocation limits could be exceeded. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-06-22 22:56:48 +08:00
sethi %hi(__sw_hweight16), %g1
jmpl %g1 + %lo(__sw_hweight16), %g0
sparc: Use popc if possible for hweight routines. Just like powerpc, we code patch at boot time. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-30 00:42:07 +08:00
nop
ENDPROC(__arch_hweight16)
sparc: move exports to definitions Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-01-17 10:39:30 +08:00
EXPORT_SYMBOL(__arch_hweight16)
sparc: Use popc if possible for hweight routines. Just like powerpc, we code patch at boot time. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-30 00:42:07 +08:00
.section .popc_3insn_patch, "ax"
.word __arch_hweight16
sllx %o0, 64-16, %g1
retl
popc %g1, %o0
.previous
ENTRY(__arch_hweight32)
sparc64: Use indirect calls in hamming weight stubs Otherwise, depending upon link order, the branch relocation limits could be exceeded. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-06-22 22:56:48 +08:00
sethi %hi(__sw_hweight32), %g1
jmpl %g1 + %lo(__sw_hweight32), %g0
sparc: Use popc if possible for hweight routines. Just like powerpc, we code patch at boot time. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-30 00:42:07 +08:00
nop
ENDPROC(__arch_hweight32)
sparc: move exports to definitions Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-01-17 10:39:30 +08:00
EXPORT_SYMBOL(__arch_hweight32)
sparc: Use popc if possible for hweight routines. Just like powerpc, we code patch at boot time. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-30 00:42:07 +08:00
.section .popc_3insn_patch, "ax"
.word __arch_hweight32
sllx %o0, 64-32, %g1
retl
popc %g1, %o0
.previous
ENTRY(__arch_hweight64)
sparc64: Use indirect calls in hamming weight stubs Otherwise, depending upon link order, the branch relocation limits could be exceeded. Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
2017-06-22 22:56:48 +08:00
sethi %hi(__sw_hweight16), %g1
jmpl %g1 + %lo(__sw_hweight16), %g0
sparc: Use popc if possible for hweight routines. Just like powerpc, we code patch at boot time. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-30 00:42:07 +08:00
nop
ENDPROC(__arch_hweight64)
sparc: move exports to definitions Acked-by: David S. Miller <davem@davemloft.net> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2016-01-17 10:39:30 +08:00
EXPORT_SYMBOL(__arch_hweight64)
sparc: Use popc if possible for hweight routines. Just like powerpc, we code patch at boot time. Signed-off-by: David S. Miller <davem@davemloft.net>
2011-07-30 00:42:07 +08:00
.section .popc_3insn_patch, "ax"
.word __arch_hweight64
retl
popc %o0, %o0
nop
.previous