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| author | Amit Pawar <Amit.Pawar@amd.com> | 2015-06-30 12:11:52 +0530 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2015-06-30 07:50:12 -0700 |
| commit | 9916071f8df180400e39d1783d4a878cf57c61fe (patch) | |
| tree | 852b09185d1208ac9f77d41e811300d55629fc0e /opcodes/i386-dis.c | |
| parent | 54f66250d79ec304ea427915bfd8b535ec249c3b (diff) | |
| download | gdb-9916071f8df180400e39d1783d4a878cf57c61fe.zip gdb-9916071f8df180400e39d1783d4a878cf57c61fe.tar.gz gdb-9916071f8df180400e39d1783d4a878cf57c61fe.tar.bz2 | |
Add support for monitorx/mwaitx instructions
gas/
* config/tc-i386.c (cpu_arch): Add .mwaitx.
(process_immext): Check operands for monitorx/mwaitx instructions.
* doc/c-i386.texi: Document mwaitx.
gas/testsuite/
* gas/i386/i386.exp: Add new mwaitx test cases.
* gas/i386/mwaitx.s: New.
* gas/i386/mwaitx-bdver4.d: New.
* gas/i386/x86-64-mwaitx.s: New.
* gas/i386/x86-64-mwaitx-bdver4.d: New.
* gas/i386/mwaitx-reg.s: New.
* gas/i386/mwaitx-reg.l: New.
* gas/i386/x86-64-mwaitx-reg.l: New.
* gas/i386/x86-64-mwaitx-reg.s: New.
* gas/i386/arch-13.s: Updated.
* gas/i386/arch-13.d: Updated.
* gas/i386/arch-13-znver1.d: Updated.
* gas/i386/x86-64-arch-3.s: Updated.
* gas/i386/x86-64-arch-3.d: Updated.
* gas/i386/x86-64-arch-3-znver1.d: Updated.
opcodes/
* i386-dis.c (OP_Mwaitx): New.
(rm_table): Add monitorx/mwaitx.
* i386-gen.c (cpu_flag_init): Add CpuMWAITX to CPU_BDVER4_FLAGS
and CPU_ZNVER1_FLAGS. Add CPU_MWAITX_FLAGS.
(operand_type_init): Add CpuMWAITX.
* i386-opc.h (CpuMWAITX): New.
(i386_cpu_flags): Add cpumwaitx.
* i386-opc.tbl: Add monitorx and mwaitx.
* i386-init.h: Regenerated.
* i386-tbl.h: Likewise.
Diffstat (limited to 'opcodes/i386-dis.c')
| -rw-r--r-- | opcodes/i386-dis.c | 24 |
1 files changed, 22 insertions, 2 deletions
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c index 767bab3..e768029 100644 --- a/opcodes/i386-dis.c +++ b/opcodes/i386-dis.c @@ -102,6 +102,7 @@ static void VPCMP_Fixup (int, int); static void OP_0f07 (int, int); static void OP_Monitor (int, int); static void OP_Mwait (int, int); +static void OP_Mwaitx (int, int); static void NOP_Fixup1 (int, int); static void NOP_Fixup2 (int, int); static void OP_3DNowSuffix (int, int); @@ -12072,8 +12073,8 @@ static const struct dis386 rm_table[][8] = { /* RM_0F01_REG_7 */ { "swapgs", { Skip_MODRM }, 0 }, { "rdtscp", { Skip_MODRM }, 0 }, - { Bad_Opcode }, - { Bad_Opcode }, + { "monitorx", { { OP_Monitor, 0 } }, 0 }, + { "mwaitx", { { OP_Mwaitx, 0 } }, 0 }, { "clzero", { Skip_MODRM }, 0 }, }, { @@ -16452,6 +16453,25 @@ CMP_Fixup (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) } static void +OP_Mwaitx (int bytemode ATTRIBUTE_UNUSED, + int sizeflag ATTRIBUTE_UNUSED) +{ + /* mwaitx %eax,%ecx,%ebx */ + if (!intel_syntax) + { + const char **names = (address_mode == mode_64bit + ? names64 : names32); + strcpy (op_out[0], names[0]); + strcpy (op_out[1], names[1]); + strcpy (op_out[2], names[3]); + two_source_ops = 1; + } + /* Skip mod/rm byte. */ + MODRM_CHECK; + codep++; +} + +static void OP_Mwait (int bytemode ATTRIBUTE_UNUSED, int sizeflag ATTRIBUTE_UNUSED) { |