X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=opcodes%2Faarch64-gen.c;h=d2685dc3d1dea71afaec13adc0ae95d79295b27c;hb=cd3ea7c69acc5045eb28f9bf80d923116e15e4f5;hp=95bd0165f86888453b1c580eebc1c5bd906ac95f;hpb=a06ea96464a2928865beb2ac6f12deb0464bfcd7;p=deliverable%2Fbinutils-gdb.git

diff --git a/opcodes/aarch64-gen.c b/opcodes/aarch64-gen.c
index 95bd0165f8..d2685dc3d1 100644
--- a/opcodes/aarch64-gen.c
+++ b/opcodes/aarch64-gen.c
@@ -1,6 +1,6 @@
 /* aarch64-gen.c -- Generate tables and routines for opcode lookup and
    instruction encoding and decoding.
-   Copyright 2012  Free Software Foundation, Inc.
+   Copyright (C) 2012-2017 Free Software Foundation, Inc.
    Contributed by ARM Ltd.
 
    This file is part of the GNU opcodes library.
@@ -28,6 +28,7 @@
 #include "getopt.h"
 #include "opcode/aarch64.h"
 
+#define VERIFIER(x) NULL
 #include "aarch64-tbl.h"
 
 static int debug = 0;
@@ -142,9 +143,9 @@ read_table (const struct aarch64_opcode* table)
       /* F_PSEUDO needs to be used together with F_ALIAS to indicate an alias
 	 opcode is a programmer friendly pseudo instruction available only in
 	 the assembly code (thus will not show up in the disassembly).  */
-      assert (pseudo_opcode_p (ent) == FALSE || alias_opcode_p (ent) == TRUE);
+      assert (!pseudo_opcode_p (ent) || alias_opcode_p (ent));
       /* Skip alias (inc. pseudo) opcode.  */
-      if (alias_opcode_p (ent) == TRUE)
+      if (alias_opcode_p (ent))
 	{
 	  index++;
 	  continue;
@@ -209,7 +210,7 @@ static int max_num_opcodes_at_leaf_node = 0;
    is decided to be undividable and OPCODE will be assigned to BITTREE->LIST.
 
    The function recursively call itself until OPCODE is undividable.
-   
+
    N.B. the nature of this algrithm determines that given any value in the
    32-bit space, the computed decision tree will always be able to find one or
    more opcodes entries for it, regardless whether there is a valid instruction
@@ -377,13 +378,9 @@ initialize_decoder_tree (void)
 static void __attribute__ ((format (printf, 2, 3)))
 indented_print (unsigned int indent, const char *format, ...)
 {
-  /* 80 number of spaces pluc a NULL terminator.  */
-  static const char spaces[81] =
-    "                                                                                ";
   va_list ap;
   va_start (ap, format);
-  assert (indent <= 80);
-  printf ("%s", &spaces[80 - indent]);
+  printf ("%*s", (int) indent, "");
   vprintf (format, ap);
   va_end (ap);
 }
@@ -690,22 +687,24 @@ opcode_node *
 find_alias_opcode (const aarch64_opcode *opcode)
 {
   int i;
-  /* Assume maximum of 8 disassemble preference candidates.  */
-  const int max_num_aliases = 8;
+  /* Assume maximum of 32 disassemble preference candidates.  */
+  const int max_num_aliases = 32;
   const aarch64_opcode *ent;
-  const aarch64_opcode *preferred[max_num_aliases];
+  const aarch64_opcode *preferred[max_num_aliases + 1];
   opcode_node head, **next;
 
   assert (opcode_has_alias (opcode));
 
   i = 0;
+  if (opcode->name != NULL)
+    preferred[i++] = opcode;
   ent = aarch64_opcode_table;
   while (ent->name != NULL)
     {
       /* The mask of an alias opcode must be equal to or a super-set (i.e.
 	 more constrained) of that of the aliased opcode; so is the base
 	 opcode value.  */
-      if (alias_opcode_p (ent) == TRUE
+      if (alias_opcode_p (ent)
 	  && (ent->mask & opcode->mask) == opcode->mask
 	  && (opcode->mask & ent->opcode) == (opcode->mask & opcode->opcode))
 	{
@@ -1242,7 +1241,7 @@ main (int argc, char **argv)
     print_divide_result (decoder_tree);
 
   printf ("/* This file is automatically generated by aarch64-gen.  Do not edit!  */\n");
-  printf ("/* Copyright 2012  Free Software Foundation, Inc.\n\
+  printf ("/* Copyright (C) 2012-2017 Free Software Foundation, Inc.\n\
    Contributed by ARM Ltd.\n\
 \n\
    This file is part of the GNU opcodes library.\n\