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  • Igor Tsimbalist's avatar
    Enable Intel WAITPKG instructions. · de89d0a3
    Igor Tsimbalist authored
    Intel has disclosed a set of new instructions for Tremont processor.
    The spec is
    https://software.intel.com/en-us/intel-architecture-instruction-set-extensions-programming-reference
    This patch enables Intel WAITPKG instructions.
    
    gas/
    	* config/tc-i386.c (cpu_arch): Add WAITPKG.
    	(cpu_noarch): Likewise.
    	* doc/c-i386.texi: Document WAITPKG.
    	* i386/i386.exp: Run WAITPKG tests.
    	* testsuite/gas/i386/waitpkg-intel.d: New test.
    	* testsuite/gas/i386/waitpkg.d: Likewise.
    	* testsuite/gas/i386/waitpkg.s: Likewise.
    	* testsuite/gas/i386/x86-64-waitpkg-intel.d: Likewise.
    	* testsuite/gas/i386/x86-64-waitpkg.d: Likewise.
    	* testsuite/gas/i386/x86-64-waitpkg.s: Likewise.
    
    opcodes/
    	* i386-dis.c (enum): Add PREFIX_MOD_0_0FAE_REG_6,
    	PREFIX_MOD_1_0FAE_REG_6.
    	(va_mode): New.
    	(OP_E_register): Use va_mode.
    	* i386-dis-evex.h (prefix_table):
    	New instructions (see prefixes above).
    	* i386-gen.c (cpu_flag_init): Add WAITPKG.
    	(cpu_flags): Likewise.
    	* i386-opc.h (enum): Likewise.
    	(i386_cpu_flags): Likewise.
    	* i386-opc.tbl: Add umonitor, umwait, tpause.
    	* i386-init.h: Regenerate.
    	* i386-tbl.h: Likewise.
    de89d0a3