| Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| Paul Gortmaker | 527581b | 2016-08-21 15:58:15 -0400 | [diff] [blame] | 2 | #include <linux/export.h> |
| Thiemo Seufer | df6b106 | 2007-05-01 19:14:16 +0100 | [diff] [blame] | 3 | |
| 4 | #include "libgcc.h" |
| 5 | |
| Harvey Hunt | aedcfbe | 2016-05-25 11:06:35 +0100 | [diff] [blame] | 6 | word_type notrace __ucmpdi2(unsigned long long a, unsigned long long b) |
| Thiemo Seufer | df6b106 | 2007-05-01 19:14:16 +0100 | [diff] [blame] | 7 | { |
| 8 | const DWunion au = {.ll = a}; |
| 9 | const DWunion bu = {.ll = b}; |
| 10 | |
| 11 | if ((unsigned int) au.s.high < (unsigned int) bu.s.high) |
| 12 | return 0; |
| 13 | else if ((unsigned int) au.s.high > (unsigned int) bu.s.high) |
| 14 | return 2; |
| 15 | if ((unsigned int) au.s.low < (unsigned int) bu.s.low) |
| 16 | return 0; |
| 17 | else if ((unsigned int) au.s.low > (unsigned int) bu.s.low) |
| 18 | return 2; |
| 19 | return 1; |
| 20 | } |
| Ralf Baechle | 4177017 | 2008-03-04 09:03:09 +0000 | [diff] [blame] | 21 | |
| 22 | EXPORT_SYMBOL(__ucmpdi2); |