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diff --git a/plugins/arm/v7/opdefs/A88304_vcnt.d b/plugins/arm/v7/opdefs/A88304_vcnt.d
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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 VCNT
+
+@id 296
+
+@desc {
+
+	This instruction counts the number of bits that are one in each element in a vector, and places the results in a second vector. The operand vector elements must be 8-bit fields. The result vector elements are 8-bit integers. Depending on settings in the CPACR, NSACR, and HCPTR registers, and the security state and mode in which the instruction is executed, an attempt to execute the instruction might be UNDEFINED, or trapped to Hyp mode. Summary of access controls for Advanced SIMD functionality on page B1-1232 summarizes these controls. ARM deprecates the conditional execution of any Advanced SIMD instruction encoding that is not also available as a VFP instruction encoding, see Conditional execution on page A8-288.
+
+}
+
+@encoding (T1) {
+
+	@word 1 1 1 1 1 1 1 1 1 D(1) 1 1 size(2) 0 0 Vd(4) 0 1 0 1 0 Q(1) M(1) 0 Vm(4)
+
+	@syntax {
+
+		@subid 1209
+
+		@assert {
+
+			Q == 1
+
+		}
+
+		@conv {
+
+			qwvec_D = QuadWordVector(D:Vd)
+			qwvec_M = QuadWordVector(M:Vm)
+
+		}
+
+		@asm vcnt.8 qwvec_D qwvec_M
+
+	}
+
+	@syntax {
+
+		@subid 1210
+
+		@assert {
+
+			Q == 0
+
+		}
+
+		@conv {
+
+			dwvec_D = DoubleWordVector(D:Vd)
+			dwvec_M = DoubleWordVector(M:Vm)
+
+		}
+
+		@asm vcnt.8 dwvec_D dwvec_M
+
+	}
+
+}
+
+@encoding (A1) {
+
+	@word 1 1 1 1 1 1 1 1 1 D(1) 1 1 size(2) 0 0 Vd(4) 0 1 0 1 0 Q(1) M(1) 0 Vm(4)
+
+	@syntax {
+
+		@subid 1211
+
+		@assert {
+
+			Q == 1
+
+		}
+
+		@conv {
+
+			qwvec_D = QuadWordVector(D:Vd)
+			qwvec_M = QuadWordVector(M:Vm)
+
+		}
+
+		@asm vcnt.8 qwvec_D qwvec_M
+
+	}
+
+	@syntax {
+
+		@subid 1212
+
+		@assert {
+
+			Q == 0
+
+		}
+
+		@conv {
+
+			dwvec_D = DoubleWordVector(D:Vd)
+			dwvec_M = DoubleWordVector(M:Vm)
+
+		}
+
+		@asm vcnt.8 dwvec_D dwvec_M
+
+	}
+
+}
+