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Re: [PATCH 3/3] Enable Intel MOVDIRI, MOVDIR64B instructions.
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: "Tsimbalist, Igor V" <igor dot v dot tsimbalist at intel dot com>
- Cc: "binutils at sourceware dot org" <binutils at sourceware dot org>
- Date: Thu, 26 Apr 2018 13:27:55 -0700
- Subject: Re: [PATCH 3/3] Enable Intel MOVDIRI, MOVDIR64B instructions.
- References: <D511F25789BA7F4EBA64C8A63891A002AFDCBBE8@IRSMSX102.ger.corp.intel.com>
On Thu, Apr 26, 2018 at 12:49 PM, Tsimbalist, Igor V
<igor.v.tsimbalist@intel.com> wrote:
> 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 MOVDIRI, MOVDIR64B instructions.
>
> gas/
> * config/tc-i386.c (cpu_arch): Add .movdir, .movdir64b.
> (cpu_noarch): Likewise.
> (process_suffix): Add check for register size.
> * doc/c-i386.texi: Document movdiri, movdir64b.
> * testsuite/gas/i386/i386.exp: Run MOVDIR{I,64B} tests.
> * testsuite/gas/i386/movdir-intel.d: New test.
> * testsuite/gas/i386/movdir.d: Likewise.
> * testsuite/gas/i386/movdir.s: Likewise.
> * testsuite/gas/i386/movdir64b-reg.s: Likewise.
> * testsuite/gas/i386/movdir64b-reg.l: Likewise.
> * testsuite/gas/i386/x86-64-movdir-intel.d: Likewise.
> * testsuite/gas/i386/x86-64-movdir.d: Likewise.
> * testsuite/gas/i386/x86-64-movdir.s: Likewise.
> * testsuite/gas/i386/x86-64-movdir64b-reg.s: Likewise.
> * testsuite/gas/i386/x86-64-movdir64b-reg.l: Likewise.
>
> opcodes/
> * i386-dis.c (enum): Add PREFIX_0F38F8, PREFIX_0F38F9,
> MOD_0F38F8_PREFIX_2, MOD_0F38F9_PREFIX_0.
> (prefix_table): New instructions (see prefix above).
> (mod_table): New instructions (see prefix above).
> Add Gva macro and handling in OP_G.
> * i386-gen.c (cpu_flag_init): Add CPU_MOVDIRI_FLAGS,
> CPU_MOVDIR64B_FLAGS.
> (cpu_flags): Likewise.
> (opcode_modifiers): Add AddrPrefixOpReg.
> (i386_opcode_modifier): Likewise.
> * i386-opc.h (enum): Add CpuMOVDIRI, CpuMOVDIR64B.
> (i386_cpu_flags): Likewise.
> * i386-opc.tbl: Add movidir{i,64b}.
> * i386-init.h: Regenerate.
> * i386-tbl.h: Likewise.
>
> OK for trunk.
>
> Igor
OK.
Thanks.
--
H.J.