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Diffstat (limited to 'arch/sparc/lib/ashrdi3.S')
| -rw-r--r-- | arch/sparc/lib/ashrdi3.S | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/sparc/lib/ashrdi3.S b/arch/sparc/lib/ashrdi3.S new file mode 100644 index 0000000000..8fd0b31172 --- /dev/null +++ b/arch/sparc/lib/ashrdi3.S @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * ashrdi3.S: The filesystem code creates all kinds of references to + * this little routine on the sparc with gcc. + * + * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu) + */ + +#include <linux/export.h> +#include <linux/linkage.h> + + .text +ENTRY(__ashrdi3) + tst %o2 + be 3f + or %g0, 32, %g2 + + sub %g2, %o2, %g2 + + tst %g2 + bg 1f + sra %o0, %o2, %o4 + + sra %o0, 31, %o4 + sub %g0, %g2, %g2 + ba 2f + sra %o0, %g2, %o5 + +1: + sll %o0, %g2, %g3 + srl %o1, %o2, %g2 + or %g2, %g3, %o5 +2: + or %g0, %o4, %o0 + or %g0, %o5, %o1 +3: + jmpl %o7 + 8, %g0 + nop +ENDPROC(__ashrdi3) +EXPORT_SYMBOL(__ashrdi3) |