diff options
Diffstat (limited to 'arch/sparc/lib/hweight.S')
| -rw-r--r-- | arch/sparc/lib/hweight.S | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/sparc/lib/hweight.S b/arch/sparc/lib/hweight.S new file mode 100644 index 000000000..0ddbbb031 --- /dev/null +++ b/arch/sparc/lib/hweight.S @@ -0,0 +1,57 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#include <linux/linkage.h> +#include <asm/export.h> + + .text + .align 32 +ENTRY(__arch_hweight8) + sethi %hi(__sw_hweight8), %g1 + jmpl %g1 + %lo(__sw_hweight8), %g0 + nop +ENDPROC(__arch_hweight8) +EXPORT_SYMBOL(__arch_hweight8) + .section .popc_3insn_patch, "ax" + .word __arch_hweight8 + sllx %o0, 64-8, %g1 + retl + popc %g1, %o0 + .previous + +ENTRY(__arch_hweight16) + sethi %hi(__sw_hweight16), %g1 + jmpl %g1 + %lo(__sw_hweight16), %g0 + nop +ENDPROC(__arch_hweight16) +EXPORT_SYMBOL(__arch_hweight16) + .section .popc_3insn_patch, "ax" + .word __arch_hweight16 + sllx %o0, 64-16, %g1 + retl + popc %g1, %o0 + .previous + +ENTRY(__arch_hweight32) + sethi %hi(__sw_hweight32), %g1 + jmpl %g1 + %lo(__sw_hweight32), %g0 + nop +ENDPROC(__arch_hweight32) +EXPORT_SYMBOL(__arch_hweight32) + .section .popc_3insn_patch, "ax" + .word __arch_hweight32 + sllx %o0, 64-32, %g1 + retl + popc %g1, %o0 + .previous + +ENTRY(__arch_hweight64) + sethi %hi(__sw_hweight64), %g1 + jmpl %g1 + %lo(__sw_hweight64), %g0 + nop +ENDPROC(__arch_hweight64) +EXPORT_SYMBOL(__arch_hweight64) + .section .popc_3insn_patch, "ax" + .word __arch_hweight64 + retl + popc %o0, %o0 + nop + .previous |