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Diffstat (limited to 'arch/sparc/lib/ashrdi3.S')
| -rw-r--r-- | arch/sparc/lib/ashrdi3.S | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/sparc/lib/ashrdi3.S b/arch/sparc/lib/ashrdi3.S new file mode 100644 index 000000000..c672d2c9f --- /dev/null +++ b/arch/sparc/lib/ashrdi3.S @@ -0,0 +1,28 @@ +/* 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 <asm/cprefix.h> + + .globl C_LABEL(__ashrdi3) +C_LABEL(__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 |