diff options
author | Tony Lindgren <tony@atomide.com> | 2017-11-28 08:12:32 -0800 |
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committer | Tony Lindgren <tony@atomide.com> | 2017-11-28 08:12:32 -0800 |
commit | bc686442f8a601bccac1f22506ecdb4b0d62cadd (patch) | |
tree | b224ab4aa2350b233da640f5850f48bc6bfeb2d0 /lib/cmpdi2.c | |
parent | 60636a5d0fa2f8bc6d0c23c4027100ba20866f9b (diff) | |
parent | ca41e244517d6d3f1600c229ff7ca615049c1e9c (diff) |
Merge branch 'dts-fixes' into omap-for-v4.15/fixes-dt
Diffstat (limited to 'lib/cmpdi2.c')
-rw-r--r-- | lib/cmpdi2.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/lib/cmpdi2.c b/lib/cmpdi2.c new file mode 100644 index 000000000000..6d7ebf6c2b86 --- /dev/null +++ b/lib/cmpdi2.c @@ -0,0 +1,42 @@ +/* + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see the file COPYING, or write + * to the Free Software Foundation, Inc. + */ + +#include <linux/export.h> + +#include <lib/libgcc.h> + +word_type notrace __cmpdi2(long long a, long long b) +{ + const DWunion au = { + .ll = a + }; + const DWunion bu = { + .ll = b + }; + + if (au.s.high < bu.s.high) + return 0; + else if (au.s.high > 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(__cmpdi2); |