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authorH.J. Lu <hjl.tools@gmail.com>2018-05-07 09:30:02 -0700
committerH.J. Lu <hjl.tools@gmail.com>2018-05-07 16:57:48 -0700
commitc0a30a9f0ab48fd7cb0fed0cd6710fe478650a7f (patch)
tree4470e20fd5dfa2c27754a28f175ce66a962a735e /opcodes/i386-dis.c
parent75c0a438994f00240ecd1baca3e3c11cc3b219e5 (diff)
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Enable 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 file. * 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 (Gva): New. (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). (OP_G): Handle va_mode. * i386-gen.c (cpu_flag_init): Add CPU_MOVDIRI_FLAGS, CPU_MOVDIR64B_FLAGS. (cpu_flags): Add CpuMOVDIRI and CpuMOVDIR64B. * i386-opc.h (enum): Add CpuMOVDIRI, CpuMOVDIR64B. (i386_cpu_flags): Add cpumovdiri and cpumovdir64b. * i386-opc.tbl: Add movidir{i,64b}. * i386-init.h: Regenerated. * i386-tbl.h: Likewise.
Diffstat (limited to 'opcodes/i386-dis.c')
-rw-r--r--opcodes/i386-dis.c48
1 files changed, 46 insertions, 2 deletions
diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index 98950e2..42d219c 100644
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -281,6 +281,7 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr)
#define Gd { OP_G, d_mode }
#define Gdq { OP_G, dq_mode }
#define Gm { OP_G, m_mode }
+#define Gva { OP_G, va_mode }
#define Gw { OP_G, w_mode }
#define Rd { OP_R, d_mode }
#define Rdq { OP_R, dq_mode }
@@ -835,6 +836,8 @@ enum
MOD_0F382A_PREFIX_2,
MOD_0F38F5_PREFIX_2,
MOD_0F38F6_PREFIX_0,
+ MOD_0F38F8_PREFIX_2,
+ MOD_0F38F9_PREFIX_0,
MOD_62_32BIT,
MOD_C4_32BIT,
MOD_C5_32BIT,
@@ -1081,6 +1084,8 @@ enum
PREFIX_0F38F1,
PREFIX_0F38F5,
PREFIX_0F38F6,
+ PREFIX_0F38F8,
+ PREFIX_0F38F9,
PREFIX_0F3A08,
PREFIX_0F3A09,
PREFIX_0F3A0A,
@@ -4680,6 +4685,18 @@ static const struct dis386 prefix_table[][4] = {
{ Bad_Opcode },
},
+ /* PREFIX_0F38F8 */
+ {
+ { Bad_Opcode },
+ { Bad_Opcode },
+ { MOD_TABLE (MOD_0F38F8_PREFIX_2) },
+ },
+
+ /* PREFIX_0F38F9 */
+ {
+ { MOD_TABLE (MOD_0F38F9_PREFIX_0) },
+ },
+
/* PREFIX_0F3A08 */
{
{ Bad_Opcode },
@@ -7444,8 +7461,8 @@ static const struct dis386 three_byte_table[][256] = {
{ PREFIX_TABLE (PREFIX_0F38F6) },
{ Bad_Opcode },
/* f8 */
- { Bad_Opcode },
- { Bad_Opcode },
+ { PREFIX_TABLE (PREFIX_0F38F8) },
+ { PREFIX_TABLE (PREFIX_0F38F9) },
{ Bad_Opcode },
{ Bad_Opcode },
{ Bad_Opcode },
@@ -11837,6 +11854,14 @@ static const struct dis386 mod_table[][2] = {
{ "wrssK", { M, Gdq }, PREFIX_OPCODE },
},
{
+ /* MOD_0F38F8_PREFIX_2 */
+ { "movdir64b", { Gva, M }, PREFIX_OPCODE },
+ },
+ {
+ /* MOD_0F38F9_PREFIX_0 */
+ { "movdiri", { Em, Gv }, PREFIX_OPCODE },
+ },
+ {
/* MOD_62_32BIT */
{ "bound{S|}", { Gv, Ma }, 0 },
{ EVEX_TABLE (EVEX_0F) },
@@ -15652,6 +15677,7 @@ static void
OP_G (int bytemode, int sizeflag)
{
int add = 0;
+ const char **names;
USED_REX (REX_R);
if (rex & REX_R)
add += 8;
@@ -15700,6 +15726,24 @@ OP_G (int bytemode, int sizeflag)
used_prefixes |= (prefixes & PREFIX_DATA);
}
break;
+ case va_mode:
+ names = (address_mode == mode_64bit
+ ? names64 : names32);
+ if (!(prefixes & PREFIX_ADDR))
+ {
+ if (address_mode == mode_16bit)
+ names = names16;
+ }
+ else
+ {
+ /* Remove "addr16/addr32". */
+ all_prefixes[last_addr_prefix] = 0;
+ names = (address_mode != mode_32bit
+ ? names32 : names16);
+ used_prefixes |= PREFIX_ADDR;
+ }
+ oappend (names[modrm.reg + add]);
+ break;
case m_mode:
if (address_mode == mode_64bit)
oappend (names64[modrm.reg + add]);