x86: support VMGEXIT

[deliverable/binutils-gdb.git] / opcodes / cgen-ibld.in

diff --git a/opcodes/cgen-ibld.in b/opcodes/cgen-ibld.in
index a29f48816bd8b39e4488ac7300b3a5c6ff2199ae..6a9b97fcb5749291a94e649988e2951341e4920d 100644 (file)
--- a/opcodes/cgen-ibld.in
+++ b/opcodes/cgen-ibld.in
@@ -3,8 +3,7 @@
    THIS FILE IS MACHINE GENERATED WITH CGEN: Cpu tools GENerator.
    - the resultant file is machine generated, cgen-ibld.in isn't
 
-   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2005, 2006, 2007,
-   2008, 2010  Free Software Foundation, Inc.
+   Copyright (C) 1996-2020 Free Software Foundation, Inc.
 
    This file is part of libopcodes.
 
@@ -155,7 +154,7 @@ insert_normal (CGEN_CPU_DESC cd,
     {
       long minval = - (1L << (length - 1));
       unsigned long maxval = mask;
-      
+
       if ((value > 0 && (unsigned long) value > maxval)
          || value < minval)
        {
@@ -193,7 +192,7 @@ insert_normal (CGEN_CPU_DESC cd,
        {
          long minval = - (1L << (length - 1));
          long maxval =   (1L << (length - 1)) - 1;
-         
+
          if (value < minval || value > maxval)
            {
              sprintf
@@ -208,12 +207,19 @@ insert_normal (CGEN_CPU_DESC cd,
 #if CGEN_INT_INSN_P
 
   {
-    int shift;
+    int shift_within_word, shift_to_word, shift;
 
+    /* How to shift the value to BIT0 of the word.  */
+    shift_to_word = total_length - (word_offset + word_length);
+
+    /* How to shift the value to the field within the word.  */
     if (CGEN_INSN_LSB0_P)
-      shift = (word_offset + start + 1) - length;
+      shift_within_word = start + 1 - length;
     else
-      shift = total_length - (word_offset + start + length);
+      shift_within_word = word_length - start - length;
+
+    /* The total SHIFT, then mask in the value.  */
+    shift = shift_to_word + shift_within_word;
     *buffer = (*buffer & ~(mask << shift)) | ((value & mask) << shift);
   }
 
@@ -473,7 +479,10 @@ extract_normal (CGEN_CPU_DESC cd,
        abort ();
 
       if (fill_cache (cd, ex_info, word_offset / 8, word_length / 8, pc) == 0)
-       return 0;
+       {
+         *valuep = 0;
+         return 0;
+       }
 
       value = extract_1 (cd, ex_info, start, length, word_length, bufp, pc);
     }