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X86: Add ptwrite instruction

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Implement ptwrite instruction defined in Intel64 and IA-32 Architectures
Software Developer’s Manual, June 2016.

gas/

	* config/tc-i386.c (cpu_arch): Add .ptwrite.
	* doc/c-i386.texi: Document ptwrite and .ptwrite.
	* testsuite/gas/i386/i386.exp: Run ptwrite, ptwrite-intel,
	x86-64-ptwrite and x86-64-ptwrite-intel.
	* testsuite/gas/i386/ptwrite-intel.d: New file.
	* testsuite/gas/i386/ptwrite.d: Likewise.
	* testsuite/gas/i386/ptwrite.s: Likewise.
	* testsuite/gas/i386/x86-64-ptwrite-intel.d: Likewise.
	* testsuite/gas/i386/x86-64-ptwrite.d: Likewise.
	* testsuite/gas/i386/x86-64-ptwrite.s: Likewise.

opcodes/

	* i386-dis.c (PREFIX_MOD_0_0FAE_REG_4): New.
	(PREFIX_MOD_3_0FAE_REG_4): Likewise.
	(prefix_table): Add PREFIX_MOD_0_0FAE_REG_4 and
	PREFIX_MOD_3_0FAE_REG_4.
	(mod_table): Use PREFIX_MOD_0_0FAE_REG_4 and
	PREFIX_MOD_3_0FAE_REG_4.
	* i386-gen.c (cpu_flag_init): Add CPU_PTWRITE_FLAGS.
	(cpu_flags): Add CpuPTWRITE.
	* i386-opc.h (CpuPTWRITE): New.
	(i386_cpu_flags): Add cpuptwrite.
	* i386-opc.tbl: Add ptwrite instruction.
	* i386-init.h: Regenerated.
	* i386-tbl.h: Likewise.
This commit is contained in:
H.J. Lu
2016-08-24 15:27:11 -07:00
parent bb1fe4acb8
commit 6b40c46231
17 changed files with 5524 additions and 5329 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
gas/doc/c-i386.texi
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@ -166,6 +166,7 @@ accept various extension mnemonics. For example,
@code{mpx},
@code{sha},
@code{rdpid},
@code{ptwrite},
@code{prefetchwt1},
@code{clflushopt},
@code{se1},
@ -1195,6 +1196,7 @@ supported on the CPU specified. The choices for @var{cpu_type} are:
@item @samp{.syscall} @tab @samp{.rdtscp} @tab @samp{.svme} @tab @samp{.abm}
@item @samp{.lwp} @tab @samp{.fma4} @tab @samp{.xop} @tab @samp{.cx16}
@item @samp{.padlock} @tab @samp{.clzero} @tab @samp{.mwaitx} @tab @samp{.rdpid}
@item @samp{.ptwrite}
@end multitable
Apart from the warning, there are only two other effects on