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[binutils-gdb] i386: Check for reserved VEX.vvvv and EVEX.vvvv

*** TEST RESULTS FOR COMMIT 63c6fc6cacf82e6b39f7373d44c1e1e1a0a757fa ***

Author: H.J. Lu <hjl.tools@gmail.com>
Branch: master
Commit: 63c6fc6cacf82e6b39f7373d44c1e1e1a0a757fa

i386: Check for reserved VEX.vvvv and EVEX.vvvv

If VEX.vvvv and EVEX.vvvv are reserved, they must be all 1s, which are
all 0s in inverted form.  Add check for unused VEX.vvvv and EVEX.vvvv
when disassembling VEX and EVEX instructions.

gas/

	PR binutils/24626
	* testsuite/gas/i386/disassem.s: Add tests for reserved VEX.vvvv
	and EVEX.vvvv.
	* testsuite/gas/i386/x86-64-disassem.s: Likewise.
	* testsuite/gas/i386/disassem.d: Updated.
	* testsuite/gas/i386/x86-64-disassem.d: Likewise.

opcodes/

	PR binutils/24626
	* i386-dis.c (print_insn): Check for unused VEX.vvvv and
	EVEX.vvvv when disassembling VEX and EVEX instructions.
	(OP_VEX): Set vex.register_specifier to 0 after readding
	vex.register_specifier.
	(OP_Vex_2src_1): Likewise.
	(OP_Vex_2src_2): Likewise.
	(OP_LWP_E): Likewise.
	(OP_EX_Vex): Don't check vex.register_specifier.
	(OP_XMM_Vex): Likewise.
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