diff options
Diffstat (limited to 'arch/arm/lib/ashldi3.S')
| -rw-r--r-- | arch/arm/lib/ashldi3.S | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/lib/ashldi3.S b/arch/arm/lib/ashldi3.S new file mode 100644 index 0000000..6c9ae91 --- /dev/null +++ b/arch/arm/lib/ashldi3.S @@ -0,0 +1,34 @@ +/* Copyright 1995, 1996, 1998, 1999, 2000, 2003, 2004, 2005 + Free Software Foundation, Inc. + + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <linux/linkage.h> +#include <asm/assembler.h> + +#ifdef __ARMEB__ +#define al r1 +#define ah r0 +#else +#define al r0 +#define ah r1 +#endif + +ENTRY(__ashldi3) +ENTRY(__aeabi_llsl) +.pushsection .text.__ashldi3, "ax" + + subs r3, r2, #32 + rsb ip, r2, #32 + movmi ah, ah, lsl r2 + movpl ah, al, lsl r3 + ARM( orrmi ah, ah, al, lsr ip ) + THUMB( lsrmi r3, al, ip ) + THUMB( orrmi ah, ah, r3 ) + mov al, al, lsl r2 + ret lr + +.popsection +ENDPROC(__ashldi3) +ENDPROC(__aeabi_llsl) |