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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /arch/sparc/lib/ashldi3.S | |
| parent | Initial commit. (diff) | |
| download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip | |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sparc/lib/ashldi3.S')
| -rw-r--r-- | arch/sparc/lib/ashldi3.S | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/sparc/lib/ashldi3.S b/arch/sparc/lib/ashldi3.S new file mode 100644 index 0000000000..2a9e7c4fb2 --- /dev/null +++ b/arch/sparc/lib/ashldi3.S @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * ashldi3.S: GCC emits these for certain drivers playing + * with long longs. + * + * Copyright (C) 1999 David S. Miller (davem@redhat.com) + */ + +#include <linux/export.h> +#include <linux/linkage.h> + + .text +ENTRY(__ashldi3) + cmp %o2, 0 + be 9f + mov 0x20, %g2 + + sub %g2, %o2, %g2 + cmp %g2, 0 + bg 7f + sll %o0, %o2, %g3 + + neg %g2 + clr %o5 + b 8f + sll %o1, %g2, %o4 +7: + srl %o1, %g2, %g2 + sll %o1, %o2, %o5 + or %g3, %g2, %o4 +8: + mov %o4, %o0 + mov %o5, %o1 +9: + retl + nop +ENDPROC(__ashldi3) +EXPORT_SYMBOL(__ashldi3) |