diff options
Diffstat (limited to 'arch/xtensa/lib/ashldi3.S')
| -rw-r--r-- | arch/xtensa/lib/ashldi3.S | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/xtensa/lib/ashldi3.S b/arch/xtensa/lib/ashldi3.S new file mode 100644 index 000000000000..67fb0da9e432 --- /dev/null +++ b/arch/xtensa/lib/ashldi3.S @@ -0,0 +1,28 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later WITH GCC-exception-2.0 */ +#include <linux/linkage.h> +#include <asm/asmmacro.h> +#include <asm/core.h> + +#ifdef __XTENSA_EB__ +#define uh a2 +#define ul a3 +#else +#define uh a3 +#define ul a2 +#endif /* __XTENSA_EB__ */ + +ENTRY(__ashldi3) + + abi_entry_default + ssl a4 + bgei a4, 32, .Llow_only + src uh, uh, ul + sll ul, ul + abi_ret_default + +.Llow_only: + sll uh, ul + movi ul, 0 + abi_ret_default + +ENDPROC(__ashldi3) |