9889cbb14e
In 32-bit, the REX_B bit in the 3-byte VEX prefix is ignored and the the highest bit in VEX.vvvv is either 1 or ignored. In 64-bit, we need to check invalid mask registers. gas/ PR binutis/20705 * testsuite/gas/i386/i386.exp: Run x86-64-opcode-bad. * testsuite/gas/i386/x86-64-opcode-bad.d: New file. * testsuite/gas/i386/x86-64-opcode-bad.s: Likewise. opcodes/ PR binutis/20705 * i386-dis.c (get_valid_dis386): Ignore the REX_B bit and the highest bit in VEX.vvvv for the 3-byte VEX prefix in 32-bit mode. Don't check vex.register_specifier in 32-bit mode. (OP_E_register): Check invalid mask registers. (OP_G): Likewise. (OP_VEX): Likewise. |
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