x86: Handle unsupported static rounding in vcvt[u]si2sd in 32-bit mode

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

diff --git a/opcodes/i386-dis.c b/opcodes/i386-dis.c
index 83c610703dc81a843cf741888cbc356f2be49809..9453e52d64308b1475c2827af7f53ce5b4e2c55b 100644 (file)
--- a/opcodes/i386-dis.c
+++ b/opcodes/i386-dis.c
@@ -448,6 +448,7 @@ fetch_data (struct disassemble_info *info, bfd_byte *addr)
 #define VPCOM { VPCOM_Fixup, 0 }
 
 #define EXxEVexR { OP_Rounding, evex_rounding_mode }
+#define EXxEVexR64 { OP_Rounding, evex_rounding_64_mode }
 #define EXxEVexS { OP_Rounding, evex_sae_mode }
 
 #define XMask { OP_Mask, mask_mode }
@@ -633,6 +634,8 @@ enum
 
   /* Static rounding.  */
   evex_rounding_mode,
+  /* Static rounding, 64-bit mode only.  */
+  evex_rounding_64_mode,
   /* Supress all exceptions.  */
   evex_sae_mode,
 
@@ -17950,11 +17953,19 @@ OP_Rounding (int bytemode, int sizeflag ATTRIBUTE_UNUSED)
 {
   if (!vex.evex
       || (bytemode != evex_rounding_mode
+         && bytemode != evex_rounding_64_mode
          && bytemode != evex_sae_mode))
     abort ();
   if (modrm.mod == 3 && vex.b)
     switch (bytemode)
       {
+      case evex_rounding_64_mode:
+       if (address_mode != mode_64bit)
+         {
+           oappend ("(bad)");
+           break;
+         }
+       /* Fall through.  */
       case evex_rounding_mode:
        oappend (names_rounding[vex.ll]);
        break;