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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 SXTB
+
+@id 226
+
+@desc {
+
+ Signed Extend Byte extracts an 8-bit value from a register, sign-extends it to 32 bits, and writes the result to the destination register. The instruction can specify a rotation by 0, 8, 16, or 24 bits before extracting the 8-bit value.
+
+}
+
+@encoding (t1) {
+
+ @half 1 0 1 1 0 0 1 0 0 1 Rm(3) Rd(3)
+
+ @syntax {
+
+ @subid 707
+
+ @conv {
+
+ reg_D = Register(Rd)
+ reg_M = Register(Rm)
+ rotation = Rotation(0)
+
+ }
+
+ @asm sxtb ?reg_D reg_M ?rotation
+
+ }
+
+}
+
+@encoding (T2) {
+
+ @word 1 1 1 1 1 0 1 0 0 1 0 0 1 1 1 1 1 1 1 1 Rd(4) 1 0 rotate(2) Rm(4)
+
+ @syntax {
+
+ @subid 708
+
+ @conv {
+
+ reg_D = Register(Rd)
+ reg_M = Register(Rm)
+ rotation = Rotation(rotate:'000')
+
+ }
+
+ @asm sxtb.w ?reg_D reg_M ?rotation
+
+ }
+
+}
+
+@encoding (A1) {
+
+ @word cond(4) 0 1 1 0 1 0 1 0 1 1 1 1 Rd(4) rotate(2) 0 0 0 1 1 1 Rm(4)
+
+ @syntax {
+
+ @subid 709
+
+ @conv {
+
+ reg_D = Register(Rd)
+ reg_M = Register(Rm)
+ rotation = Rotation(rotate:'000')
+
+ }
+
+ @asm sxtb ?reg_D reg_M ?rotation
+
+ @rules {
+
+ check g_arm_instruction_set_cond(cond)
+
+ }
+
+ }
+
+}
+