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+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * ##FILE## - traduction d'instructions ARMv7
+ *
+ * Copyright (C) 2017 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 Chrysalide. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+@title BFC
+
+@id 18
+
+@desc {
+
+ Bit Field Clear clears any number of adjacent bits at any position in a register, without affecting the other bits in the register.
+
+}
+
+@encoding (T1) {
+
+ @word 1 1 1 1 0 0 1 1 0 1 1 0 1 1 1 1 0 imm3(3) Rd(4) imm2(2) 0 msb(5)
+
+ @syntax {
+
+ @subid 70
+
+ @conv {
+
+ reg_D = Register(Rd)
+ lsbit = UInt(imm3:imm2)
+ msbit = UInt(msb)
+ width = BitDiff(msbit, lsbit)
+
+ }
+
+ @asm bfc reg_D lsbit width
+
+ }
+
+}
+
+@encoding (A1) {
+
+ @word cond(4) 0 1 1 1 1 1 0 msb(5) Rd(4) lsb(5) 0 0 1 1 1 1 1
+
+ @syntax {
+
+ @subid 71
+
+ @conv {
+
+ reg_D = Register(Rd)
+ lsbit = UInt(lsb)
+ msbit = UInt(msb)
+ width = BitDiff(msbit, lsbit)
+
+ }
+
+ @asm bfc reg_D lsbit width
+
+ @rules {
+
+ check g_arm_instruction_set_cond(cond)
+
+ }
+
+ }
+
+}
+