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-rw-r--r--arch/sparc/lib/hweight.S57
1 files changed, 57 insertions, 0 deletions
diff --git a/arch/sparc/lib/hweight.S b/arch/sparc/lib/hweight.S
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+++ b/arch/sparc/lib/hweight.S
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+/* 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