[committed, PATCH] Add support for Intel CET instructions

[H.J. Lu]

On Mon, Mar 6, 2017 at 3:28 PM, H.J. Lu <hongjiu.lu@intel.com> wrote:
> Support Intel Control-flow Enforcement Technology (CET) instructions:
>
> https://software.intel.com/sites/default/files/managed/4d/2a/control-flow-enforcement-technology-preview.pdf
>
> gas/
>
>         * config/tc-i386.c (cpu_arch): Add .cet.
>         * doc/c-i386.texi: Document cet.
>         * testsuite/gas/i386/cet-intel.d: New file.
>         * testsuite/gas/i386/cet.d: Likewise.
>         * testsuite/gas/i386/cet.s: Likewise.
>         * testsuite/gas/i386/x86-64-cet-intel.d: Likewise.
>         * testsuite/gas/i386/x86-64-cet.d: Likewise.
>         * testsuite/gas/i386/x86-64-cet.s: Likewise.
>         * testsuite/gas/i386/i386.exp: Run Intel CET tests.
>
> opcodes/
>
>         * i386-dis.c (REG_0F1E_MOD_3): New enum.
>         (MOD_0F1E_PREFIX_1): Likewise.
>         (MOD_0F38F5_PREFIX_2): Likewise.
>         (MOD_0F38F6_PREFIX_0): Likewise.
>         (RM_0F1E_MOD_3_REG_7): Likewise.
>         (PREFIX_MOD_0_0F01_REG_5): Likewise.
>         (PREFIX_MOD_3_0F01_REG_5_RM_1): Likewise.
>         (PREFIX_MOD_3_0F01_REG_5_RM_2): Likewise.
>         (PREFIX_0F1E): Likewise.
>         (PREFIX_MOD_0_0FAE_REG_5): Likewise.
>         (PREFIX_0F38F5): Likewise.
>         (dis386_twobyte): Use PREFIX_0F1E.
>         (reg_table): Add REG_0F1E_MOD_3.
>         (prefix_table): Add PREFIX_MOD_0_0F01_REG_5,
>         PREFIX_MOD_3_0F01_REG_5_RM_1, PREFIX_MOD_3_0F01_REG_5_RM_2,
>         PREFIX_0F1E, PREFIX_MOD_0_0FAE_REG_5 and PREFIX_0F38F5.  Update
>         PREFIX_0FAE_REG_6 and PREFIX_0F38F6.
>         (three_byte_table): Use PREFIX_0F38F5.
>         (mod_table): Use PREFIX_MOD_0_0F01_REG_5, PREFIX_MOD_0_0FAE_REG_5.
>         Add MOD_0F1E_PREFIX_1, MOD_0F38F5_PREFIX_2, MOD_0F38F6_PREFIX_0.
>         (rm_table): Add MOD_0F38F5_PREFIX_2, MOD_0F38F6_PREFIX_0,
>         RM_0F1E_MOD_3_REG_7.  Use PREFIX_MOD_3_0F01_REG_5_RM_1 and
>         PREFIX_MOD_3_0F01_REG_5_RM_2.
>         * i386-gen.c (cpu_flag_init): Add CPU_CET_FLAGS.
>         (cpu_flags): Add CpuCET.
>         * i386-opc.h (CpuCET): New enum.
>         (CpuUnused): Commented out.
>         (i386_cpu_flags): Add cpucet.
>         * i386-opc.tbl: Add Intel CET instructions.
>         * i386-init.h: Regenerated.
>         * i386-tbl.h: Likewise.


I checked in this to fix a typo.

-- 
H.J.
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