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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. * 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. Ok for trunk? Igor
Attachment:
0001-Enable-Intel-WAITPKG-instructions.patch
Description: 0001-Enable-Intel-WAITPKG-instructions.patch
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