disas/i386: Add disassembly of vex.0f38.f5

Which includes pext, pdep and bzhi. Signed-off-by: Richard Henderson <rth@twiddle.net>
qemu · Sep 6, 2017 · a17d3be · a17d3be
1 parent 980edf4
commit a17d3be
Showing 1 changed file with 12 additions and 3 deletions.
diff --git a/disas/i386.c b/disas/i386.c
@@ -683,6 +683,7 @@ fetch_data(struct disassemble_info *info, bfd_byte *addr)
 #define PREGRP105 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 105 } }
 #define PREGRP106 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 106 } }
 #define PREGRP107 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 107 } }
+#define PREGRP108 NULL, { { NULL, USE_PREFIX_USER_TABLE }, { NULL, 108 } }
 
 #define X86_64_0  NULL, { { NULL, X86_64_SPECIAL }, { NULL, 0 } }
 #define X86_64_1  NULL, { { NULL, X86_64_SPECIAL }, { NULL, 1 } }
@@ -1484,7 +1485,7 @@ static const unsigned char threebyte_0x38_uses_REPNZ_prefix[256] = {
   /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
   /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */
   /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */
-  /* f0 */ 1,1,0,0,0,0,0,1,0,0,0,0,0,0,0,0, /* ff */
+  /* f0 */ 1,1,0,0,0,1,0,1,0,0,0,0,0,0,0,0, /* ff */
   /*       -------------------------------        */
   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
 };
@@ -1508,7 +1509,7 @@ static const unsigned char threebyte_0x38_uses_REPZ_prefix[256] = {
   /* c0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* cf */
   /* d0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* df */
   /* e0 */ 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* ef */
-  /* f0 */ 0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,0, /* ff */
+  /* f0 */ 0,0,0,0,0,1,0,1,0,0,0,0,0,0,0,0, /* ff */
   /*       -------------------------------        */
   /*       0 1 2 3 4 5 6 7 8 9 a b c d e f        */
 };
@@ -2808,6 +2809,14 @@ static const struct dis386 prefix_user_table[][4] = {
     { "bsfS",	{ Gv, Ev } },
     { "(bad)",	{ XX } },
   },
+
+  /* PREGRP108 */
+  {
+    { "bzhi",   { Gv, Ev, Bv } },
+    { "pext",   { Gv, Bv, Ev } },
+    { "(bad)",  { XX } },
+    { "pdep",   { Gv, Bv, Ev } },
+  },
 };
 
 static const struct dis386 x86_64_table[][2] = {
@@ -3108,7 +3117,7 @@ static const struct dis386 three_byte_table[][256] = {
     { PREGRP105 },
     { "(bad)", { XX } },
     { "(bad)", { XX } },
-    { "(bad)", { XX } },
+    { PREGRP108 },
     { "(bad)", { XX } },
     { PREGRP106 },
     /* f8 */