x86/Intel: improve diagnostics for ambiguous VCVT* operands

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

diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index d2b33d0998168c0343fdaac5912d208f2ba616bf..8e0a9500903082b1c65ff178ef23102fdd3a0c86 100644 (file)
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -2331,8 +2331,8 @@ struct dis386 {
    'Z' => print 'q' in 64bit mode and behave as 'L' otherwise
    '!' => change condition from true to false or from false to true.
    '%' => add 1 upper case letter to the macro.
-   '^' => print 'w' or 'l' depending on operand size prefix or
-         suffix_always is true (lcall/ljmp).
+   '^' => print 'w', 'l', or 'q' (Intel64 ISA only) depending on operand size
+         prefix or suffix_always is true (lcall/ljmp).
    '@' => print 'q' for Intel64 ISA, 'w' or 'q' for AMD64 ISA depending
          on operand size prefix.
    '&' => print 'q' in 64bit mode for Intel64 ISA or if instruction
@@ -13296,6 +13296,12 @@ case_S:
        case '^':
          if (intel_syntax)
            break;
+         if (isa64 == intel64 && (rex & REX_W))
+           {
+             USED_REX (REX_W);
+             *obufp++ = 'q';
+             break;
+           }
          if ((prefixes & PREFIX_DATA) || (sizeflag & SUFFIX_ALWAYS))
            {
              if (sizeflag & DFLAG)