diff options
Diffstat (limited to 'plugins/dalvik/v35/opdefs/cmpg_30.d')
-rw-r--r-- | plugins/dalvik/v35/opdefs/cmpg_30.d | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/plugins/dalvik/v35/opdefs/cmpg_30.d b/plugins/dalvik/v35/opdefs/cmpg_30.d new file mode 100644 index 0000000..40917d4 --- /dev/null +++ b/plugins/dalvik/v35/opdefs/cmpg_30.d @@ -0,0 +1,40 @@ + +/* Chrysalide - Outil d'analyse de fichiers binaires + * ##FILE## - traduction d'instructions Dalvik + * + * Copyright (C) 2018 Cyrille Bagard + * + * This file is part of Chrysalide. + * + * Chrysalide 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 3 of the License, or + * (at your option) any later version. + * + * Chrysalide 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 Foobar. If not, see <http://www.gnu.org/licenses/>. + */ + + +@title cmpg-double + +@id 48 + +@desc { + + Perform the indicated floating point or <b>long</b> comparison, setting <b>a</b> to <b>0</b> if <b>b == c</b>, <b>1</b> if <b>b > c</b>, or <b>-1</b> if <b>b < c</b>. The "bias" listed for the floating point operations indicates how <b>NaN</b> comparisons are treated: "gt bias" instructions return <b>1</b> for <b>NaN</b> comparisons, and "lt bias" instructions return <b>-1</b>. + +For example, to check to see if floating point <b>x < y</b> it is advisable to use <b>cmpg-float</b>; a result of <b>-1</b> indicates that the test was true, and the other values indicate it was false either due to a valid comparison or because one of the values was <b>NaN</b>. + +} + +@encoding() { + + @format 23x + +} |