diff options
Diffstat (limited to 'arch/arm/lib/ashrdi3.S')
| -rw-r--r-- | arch/arm/lib/ashrdi3.S | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/arch/arm/lib/ashrdi3.S b/arch/arm/lib/ashrdi3.S new file mode 100644 index 0000000..3eb59ec --- /dev/null +++ b/arch/arm/lib/ashrdi3.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(__ashrdi3) +ENTRY(__aeabi_lasr) +.pushsection .text.__ashrdi3, "ax" + + subs r3, r2, #32 + rsb ip, r2, #32 + movmi al, al, lsr r2 + movpl al, ah, asr r3 + ARM( orrmi al, al, ah, lsl ip ) + THUMB( lslmi r3, ah, ip ) + THUMB( orrmi al, al, r3 ) + mov ah, ah, asr r2 + ret lr + +.popsection +ENDPROC(__ashrdi3) +ENDPROC(__aeabi_lasr) |