[PATCH] Add LWP support for upcoming AMD Orochi processor
Sebastian Pop
sebpop@gmail.com
Thu Nov 5 22:53:00 GMT 2009
Hi,
On Thu, Nov 5, 2009 at 15:45, H.J. Lu <hjl.tools@gmail.com> wrote:
> There is no 32bit LWP test. Is LWP 64bit only? If yes, you need to
> add Cpu64 to LWP insns.
>
> Also please update doc/c-i386.texi.
>
LWP is supported both in 64 and 32 bit modes.
Fixed like this:
2009-11-05 Sebastian Pop <sebastian.pop@amd.com>
Quentin Neill <quentin.neill@amd.com>
* gas/config/tc-i386.c (cpu_arch): Add CPU_LWP_FLAGS.
(build_vex_prefix): Handle xop09 and xop0a.
(build_modrm_byte): Handle vexlwp.
(md_show_usage): Add lwp.
* gas/doc/c-i386.texi (i386-LWP): New section.
* gas/testsuite/gas/i386/i386.exp: Run x86-64-lwp in 64-bit mode,
run lwp in 32-bit mode.
* gas/testsuite/gas/i386/x86-64-lwp.d: New.
* gas/testsuite/gas/i386/x86-64-lwp.s: New.
* gas/testsuite/gas/i386/lwp.d: New.
* gas/testsuite/gas/i386/lwp.s: New.
* opcodes/i386-dis.c (OP_LWPCB_E): New.
(OP_LWP_E): New.
(OP_LWP_I): New.
(USE_XOP_8F_TABLE): New.
(XOP_8F_TABLE): New.
(REG_XOP_LWPCB): New.
(REG_XOP_LWP): New.
(XOP_09): New.
(XOP_0A): New.
(reg_table): Redirect REG_8F to XOP_8F_TABLE.
Add entries for REG_XOP_LWPCB and REG_XOP_LWP.
(xop_table): New.
(get_valid_dis386): Handle USE_XOP_8F_TABLE.
Use the offsets VEX_0F, VEX_0F38, and VEX_0F3A instead of their values
to access to the vex_table.
(OP_LWPCB_E): New.
(OP_LWP_E): New.
(OP_LWP_I): New.
* opcodes/i386-gen.c (cpu_flag_init): Add CPU_LWP_FLAGS, CpuLWP.
(cpu_flags): Add CpuLWP.
(opcode_modifiers): Add VexLWP, XOP09, and XOP0A.
* opcodes/i386-opc.h (CpuLWP): New.
(i386_cpu_flags): Add bit cpulwp.
(VexLWP): New.
(XOP09): New.
(XOP0A): New.
(i386_opcode_modifier): Add vexlwp, xop09, and xop0a.
* opcodes/i386-opc.tbl (llwpcb): Added.
(lwpval): Added.
(lwpins): Added.
Tested on x86-64-linux with make -k check.
Ok to commit?
Thanks,
Sebastian Pop
--
AMD / Open Source Compiler Engineering / GNU Tools
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