linux-stable/arch/parisc/lib/ucmpdi2.c
Helge Deller 438e9230d6 parisc: ucmpdi2: Fix no previous prototype for '__ucmpdi2' warning
Signed-off-by: Helge Deller <deller@gmx.de>
2023-08-10 18:34:05 +02:00

27 lines
516 B
C

// SPDX-License-Identifier: GPL-2.0
#include <linux/module.h>
#include <linux/libgcc.h>
union ull_union {
unsigned long long ull;
struct {
unsigned int high;
unsigned int low;
} ui;
};
word_type __ucmpdi2(unsigned long long a, unsigned long long b)
{
union ull_union au = {.ull = a};
union ull_union bu = {.ull = b};
if (au.ui.high < bu.ui.high)
return 0;
else if (au.ui.high > bu.ui.high)
return 2;
if (au.ui.low < bu.ui.low)
return 0;
else if (au.ui.low > bu.ui.low)
return 2;
return 1;
}