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[for-2.11,3/6] disas/i386: Add disassembly of vex.0f38.f5

Message ID 20170804062314.12594-4-rth@twiddle.net
State New
Headers show

Commit Message

Richard Henderson Aug. 4, 2017, 6:23 a.m. UTC 
Which includes pext, pdep and bzhi.

Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 disas/i386.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)
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Patch

diff --git a/disas/i386.c b/disas/i386.c
index 7a238b203b..7eaa378a10 100644
--- 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 */