gas: test cases for the architecture level aware SPARC ASI work.

[deliverable/binutils-gdb.git] / opcodes / i386-dis.c

diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index c6b0fc8bb3c2cc90dd396d846ba391293cc42dd9..108f0e3b236581f236911cb6667683618ba35b8e 100644 (file)
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -1,5 +1,5 @@
 /* Print i386 instructions for GDB, the GNU debugger.
-   Copyright (C) 1988-2016 Free Software Foundation, Inc.
+   Copyright (C) 1988-2017 Free Software Foundation, Inc.
 
    This file is part of the GNU opcodes library.
 
@@ -252,7 +252,6 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr)
 #define Ed { OP_E, d_mode }
 #define Edq { OP_E, dq_mode }
 #define Edqw { OP_E, dqw_mode }
-#define EdqwS { OP_E, dqw_swap_mode }
 #define Edqb { OP_E, dqb_mode }
 #define Edb { OP_E, db_mode }
 #define Edw { OP_E, dw_mode }
@@ -556,7 +555,6 @@ enum
   dq_mode,
   /* registers like dq_mode, memory like w_mode.  */
   dqw_mode,
-  dqw_swap_mode,
   bnd_mode,
   /* 4- or 6-byte pointer operand */
   f_mode,
@@ -706,7 +704,7 @@ enum
 {
   REG_80 = 0,
   REG_81,
-  REG_82,
+  REG_83,
   REG_8F,
   REG_C0,
   REG_C1,
@@ -1548,6 +1546,9 @@ enum
   PREFIX_EVEX_0F384D,
   PREFIX_EVEX_0F384E,
   PREFIX_EVEX_0F384F,
+  PREFIX_EVEX_0F3852,
+  PREFIX_EVEX_0F3853,
+  PREFIX_EVEX_0F3855,
   PREFIX_EVEX_0F3858,
   PREFIX_EVEX_0F3859,
   PREFIX_EVEX_0F385A,
@@ -1692,6 +1693,7 @@ enum
   X86_64_63,
   X86_64_6D,
   X86_64_6F,
+  X86_64_82,
   X86_64_9A,
   X86_64_C4,
   X86_64_C5,
@@ -1710,8 +1712,7 @@ enum
 enum
 {
   THREE_BYTE_0F38 = 0,
-  THREE_BYTE_0F3A,
-  THREE_BYTE_0F7A
+  THREE_BYTE_0F3A
 };
 
 enum
@@ -2377,6 +2378,7 @@ enum
   EVEX_W_0F3839_P_1,
   EVEX_W_0F383A_P_1,
   EVEX_W_0F3840_P_2,
+  EVEX_W_0F3855_P_2,
   EVEX_W_0F3858_P_2,
   EVEX_W_0F3859_P_2,
   EVEX_W_0F385A_P_2,
@@ -2660,8 +2662,8 @@ static const struct dis386 dis386[] = {
   /* 80 */
   { REG_TABLE (REG_80) },
   { REG_TABLE (REG_81) },
-  { Bad_Opcode },
-  { REG_TABLE (REG_82) },
+  { X86_64_TABLE (X86_64_82) },
+  { REG_TABLE (REG_83) },
   { "testB",           { Eb, Gb }, 0 },
   { "testS",           { Ev, Gv }, 0 },
   { "xchgB",           { Ebh2, Gb }, 0 },
@@ -2942,7 +2944,7 @@ static const struct dis386 dis386_twobyte[] = {
   /* 78 */
   { PREFIX_TABLE (PREFIX_0F78) },
   { PREFIX_TABLE (PREFIX_0F79) },
-  { THREE_BYTE_TABLE (THREE_BYTE_0F7A) },
+  { Bad_Opcode },
   { Bad_Opcode },
   { PREFIX_TABLE (PREFIX_0F7C) },
   { PREFIX_TABLE (PREFIX_0F7D) },
@@ -3398,7 +3400,7 @@ static const struct dis386 reg_table[][8] = {
     { "xorQ",  { Evh1, Iv }, 0 },
     { "cmpQ",  { Ev, Iv }, 0 },
   },
-  /* REG_82 */
+  /* REG_83 */
   {
     { "addQ",  { Evh1, sIb }, 0 },
     { "orQ",   { Evh1, sIb }, 0 },
@@ -6885,6 +6887,12 @@ static const struct dis386 x86_64_table[][2] = {
     { "outs{G|}", { indirDXr, Xz }, 0 },
   },
 
+  /* X86_64_82 */
+  {
+    /* Opcode 0x82 is an alias of of opcode 0x80 in 32-bit mode.  */
+    { REG_TABLE (REG_80) },
+  },
+
   /* X86_64_9A */
   {
     { "Jcall{T|}", { Ap }, 0 },
@@ -7543,298 +7551,6 @@ static const struct dis386 three_byte_table[][256] = {
     { Bad_Opcode },
     { Bad_Opcode },
   },
-
-  /* THREE_BYTE_0F7A */
-  {
-    /* 00 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 08 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 10 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 18 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 20 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 28 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 30 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 38 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 40 */
-    { Bad_Opcode },
-    { "phaddbw",       { XM, EXq }, PREFIX_OPCODE },
-    { "phaddbd",       { XM, EXq }, PREFIX_OPCODE },
-    { "phaddbq",       { XM, EXq }, PREFIX_OPCODE },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { "phaddwd",       { XM, EXq }, PREFIX_OPCODE },
-    { "phaddwq",       { XM, EXq }, PREFIX_OPCODE },
-    /* 48 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { "phadddq",       { XM, EXq }, PREFIX_OPCODE },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 50 */
-    { Bad_Opcode },
-    { "phaddubw",      { XM, EXq }, PREFIX_OPCODE },
-    { "phaddubd",      { XM, EXq }, PREFIX_OPCODE },
-    { "phaddubq",      { XM, EXq }, PREFIX_OPCODE },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { "phadduwd",      { XM, EXq }, PREFIX_OPCODE },
-    { "phadduwq",      { XM, EXq }, PREFIX_OPCODE },
-    /* 58 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { "phaddudq",      { XM, EXq }, PREFIX_OPCODE },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 60 */
-    { Bad_Opcode },
-    { "phsubbw",       { XM, EXq }, PREFIX_OPCODE },
-    { "phsubbd",       { XM, EXq }, PREFIX_OPCODE },
-    { "phsubbq",       { XM, EXq }, PREFIX_OPCODE },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 68 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 70 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 78 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 80 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 88 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 90 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* 98 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* a0 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* a8 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* b0 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* b8 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* c0 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* c8 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* d0 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* d8 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* e0 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* e8 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* f0 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    /* f8 */
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-    { Bad_Opcode },
-  },
 };
 
 static const struct dis386 xop_table[][256] = {
@@ -12956,11 +12672,15 @@ get_valid_dis386 (const struct dis386 *dp, disassemble_info *info)
        rex |= REX_W;
 
       vex.register_specifier = (~(*codep >> 3)) & 0xf;
-      if (address_mode != mode_64bit
-         && vex.register_specifier > 0x7)
+      if (address_mode != mode_64bit)
        {
-         dp = &bad_opcode;
-         return dp;
+         /* In 16/32-bit mode REX_B is silently ignored.  */
+         rex &= ~REX_B;
+         if (vex.register_specifier > 0x7)
+           {
+             dp = &bad_opcode;
+             return dp;
+           }
        }
 
       vex.length = (*codep & 0x4) ? 256 : 128;
@@ -13051,8 +12771,8 @@ get_valid_dis386 (const struct dis386 *dp, disassemble_info *info)
       vindex = *codep++;
       dp = &vex_table[vex_table_index][vindex];
       end_codep = codep;
-      /* There is no MODRM byte for VEX [82|77].  */
-      if (vindex != 0x77 && vindex != 0x82)
+      /* There is no MODRM byte for VEX0F 77.  */
+      if (vex_table_index != VEX_0F || vindex != 0x77)
        {
          FETCH_DATA (info, codep + 1);
          modrm.mod = (*codep >> 6) & 3;
@@ -13094,8 +12814,8 @@ get_valid_dis386 (const struct dis386 *dp, disassemble_info *info)
       vindex = *codep++;
       dp = &vex_table[dp->op[1].bytemode][vindex];
       end_codep = codep;
-      /* There is no MODRM byte for VEX [82|77].  */
-      if (vindex != 0x77 && vindex != 0x82)
+      /* There is no MODRM byte for VEX 77.  */
+      if (vindex != 0x77)
        {
          FETCH_DATA (info, codep + 1);
          modrm.mod = (*codep >> 6) & 3;
@@ -13821,15 +13541,15 @@ static const unsigned char float_mem_mode[] = {
 #define ST { OP_ST, 0 }
 #define STi { OP_STi, 0 }
 
-#define FGRPd9_2 NULL, { { NULL, 0 } }, 0
-#define FGRPd9_4 NULL, { { NULL, 1 } }, 0
-#define FGRPd9_5 NULL, { { NULL, 2 } }, 0
-#define FGRPd9_6 NULL, { { NULL, 3 } }, 0
-#define FGRPd9_7 NULL, { { NULL, 4 } }, 0
-#define FGRPda_5 NULL, { { NULL, 5 } }, 0
-#define FGRPdb_4 NULL, { { NULL, 6 } }, 0
-#define FGRPde_3 NULL, { { NULL, 7 } }, 0
-#define FGRPdf_4 NULL, { { NULL, 8 } }, 0
+#define FGRPd9_2 NULL, { { NULL, 1 } }, 0
+#define FGRPd9_4 NULL, { { NULL, 2 } }, 0
+#define FGRPd9_5 NULL, { { NULL, 3 } }, 0
+#define FGRPd9_6 NULL, { { NULL, 4 } }, 0
+#define FGRPd9_7 NULL, { { NULL, 5 } }, 0
+#define FGRPda_5 NULL, { { NULL, 6 } }, 0
+#define FGRPdb_4 NULL, { { NULL, 7 } }, 0
+#define FGRPde_3 NULL, { { NULL, 8 } }, 0
+#define FGRPdf_4 NULL, { { NULL, 9 } }, 0
 
 static const struct dis386 float_reg[][8] = {
   /* d8 */
@@ -13923,48 +13643,53 @@ static const struct dis386 float_reg[][8] = {
 };
 
 static char *fgrps[][8] = {
-  /* d9_2  0 */
+  /* Bad opcode 0 */
+  {
+    "(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
+  },
+
+  /* d9_2  1 */
   {
     "fnop","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
   },
 
-  /* d9_4  1 */
+  /* d9_4  2 */
   {
     "fchs","fabs","(bad)","(bad)","ftst","fxam","(bad)","(bad)",
   },
 
-  /* d9_5  2 */
+  /* d9_5  3 */
   {
     "fld1","fldl2t","fldl2e","fldpi","fldlg2","fldln2","fldz","(bad)",
   },
 
-  /* d9_6  3 */
+  /* d9_6  4 */
   {
     "f2xm1","fyl2x","fptan","fpatan","fxtract","fprem1","fdecstp","fincstp",
   },
 
-  /* d9_7  4 */
+  /* d9_7  5 */
   {
     "fprem","fyl2xp1","fsqrt","fsincos","frndint","fscale","fsin","fcos",
   },
 
-  /* da_5  5 */
+  /* da_5  6 */
   {
     "(bad)","fucompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
   },
 
-  /* db_4  6 */
+  /* db_4  7 */
   {
     "fNeni(8087 only)","fNdisi(8087 only)","fNclex","fNinit",
     "fNsetpm(287 only)","frstpm(287 only)","(bad)","(bad)",
   },
 
-  /* de_3  7 */
+  /* de_3  8 */
   {
     "(bad)","fcompp","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
   },
 
-  /* df_4  8 */
+  /* df_4  9 */
   {
     "fNstsw","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)","(bad)",
   },
@@ -14831,7 +14556,6 @@ intel_operand_size (int bytemode, int sizeflag)
     case w_mode:
     case dw_mode:
     case dqw_mode:
-    case dqw_swap_mode:
       oappend ("WORD PTR ");
       break;
     case indir_v_mode:
@@ -15186,8 +14910,7 @@ OP_E_register (int bytemode, int sizeflag)
 
   if ((sizeflag & SUFFIX_ALWAYS)
       && (bytemode == b_swap_mode
-         || bytemode == v_swap_mode
-         || bytemode == dqw_swap_mode))
+         || bytemode == v_swap_mode))
     swap_operand ();
 
   switch (bytemode)
@@ -15239,7 +14962,6 @@ OP_E_register (int bytemode, int sizeflag)
     case dqb_mode:
     case dqd_mode:
     case dqw_mode:
-    case dqw_swap_mode:
       USED_REX (REX_W);
       if (rex & REX_W)
        names = names64;
@@ -15295,7 +15017,6 @@ OP_E_memory (int bytemode, int sizeflag)
        {
        case dqw_mode:
        case dw_mode:
-       case dqw_swap_mode:
          shift = 1;
          break;
        case dqb_mode:
@@ -15769,7 +15490,6 @@ OP_G (int bytemode, int sizeflag)
     case dqb_mode:
     case dqd_mode:
     case dqw_mode:
-    case dqw_swap_mode:
       USED_REX (REX_W);
       if (rex & REX_W)
        oappend (names64[modrm.reg + add]);
@@ -16624,7 +16344,6 @@ OP_EX (int bytemode, int sizeflag)
   if ((sizeflag & SUFFIX_ALWAYS)
       && (bytemode == x_swap_mode
          || bytemode == d_swap_mode
-         || bytemode == dqw_swap_mode
          || bytemode == d_scalar_swap_mode
          || bytemode == q_swap_mode
          || bytemode == q_scalar_swap_mode))
@@ -17258,7 +16977,8 @@ OP_VEX (int bytemode, int sizeflag ATTRIBUTE_UNUSED)
          names = names_mask;
          break;
        default:
-         abort ();
+         /* See PR binutils/20893 for a reproducer.  */
+         oappend ("(bad)");
          return;
        }
       break;