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Diffstat (limited to 'kernel/arch/arm/lib/ucmpdi2.S')
| -rw-r--r-- | kernel/arch/arm/lib/ucmpdi2.S | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/kernel/arch/arm/lib/ucmpdi2.S b/kernel/arch/arm/lib/ucmpdi2.S new file mode 100644 index 000000000..ad4a63091 --- /dev/null +++ b/kernel/arch/arm/lib/ucmpdi2.S @@ -0,0 +1,53 @@ +/* + * linux/arch/arm/lib/ucmpdi2.S + * + * Author: Nicolas Pitre + * Created: Oct 19, 2005 + * Copyright: Monta Vista Software, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/linkage.h> +#include <asm/assembler.h> + +#ifdef __ARMEB__ +#define xh r0 +#define xl r1 +#define yh r2 +#define yl r3 +#else +#define xl r0 +#define xh r1 +#define yl r2 +#define yh r3 +#endif + +ENTRY(__ucmpdi2) + + cmp xh, yh + cmpeq xl, yl + movlo r0, #0 + moveq r0, #1 + movhi r0, #2 + ret lr + +ENDPROC(__ucmpdi2) + +#ifdef CONFIG_AEABI + +ENTRY(__aeabi_ulcmp) + + cmp xh, yh + cmpeq xl, yl + movlo r0, #-1 + moveq r0, #0 + movhi r0, #1 + ret lr + +ENDPROC(__aeabi_ulcmp) + +#endif + |