diff options
Diffstat (limited to 'arch/sparc/math-emu/ashldi3.S')
| -rw-r--r-- | arch/sparc/math-emu/ashldi3.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/sparc/math-emu/ashldi3.S b/arch/sparc/math-emu/ashldi3.S new file mode 100644 index 000000000..eab1d0972 --- /dev/null +++ b/arch/sparc/math-emu/ashldi3.S @@ -0,0 +1,36 @@ +/* $Id: ashldi3.S,v 1.1 1998/04/06 16:09:28 jj Exp $ + * ashldi3.S: Math-emu code creates all kinds of references to + * this little routine on the sparc with gcc. + * + * Copyright (C) 1998 Jakub Jelinek(jj@ultra.linux.cz) + */ + +#include <asm/cprefix.h> + + .globl C_LABEL(__ashldi3) +C_LABEL(__ashldi3): + tst %o2 + be 3f + mov 32, %g2 + + sub %g2, %o2, %g2 + + tst %g2 + bg 1f + srl %o1, %g2, %g3 + + clr %o5 + neg %g2 + ba 2f + sll %o1, %g2, %o4 + +1: + sll %o1, %o2, %o5 + srl %o0, %o2, %g2 + or %g2, %g3, %o4 +2: + mov %o4, %o0 + mov %o5, %o1 +3: + jmpl %o7 + 8, %g0 + nop |