diff options
Diffstat (limited to 'arch/sparc/lib/ucmpdi2.c')
| -rw-r--r-- | arch/sparc/lib/ucmpdi2.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/sparc/lib/ucmpdi2.c b/arch/sparc/lib/ucmpdi2.c new file mode 100644 index 000000000..82c1cccb1 --- /dev/null +++ b/arch/sparc/lib/ucmpdi2.c @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/module.h> +#include "libgcc.h" + +word_type __ucmpdi2(unsigned long long a, unsigned long long b) +{ + const DWunion au = {.ll = a}; + const DWunion bu = {.ll = b}; + + if ((unsigned int) au.s.high < (unsigned int) bu.s.high) + return 0; + else if ((unsigned int) au.s.high > (unsigned int) bu.s.high) + return 2; + if ((unsigned int) au.s.low < (unsigned int) bu.s.low) + return 0; + else if ((unsigned int) au.s.low > (unsigned int) bu.s.low) + return 2; + return 1; +} +EXPORT_SYMBOL(__ucmpdi2); |