config/tc-aarch64.c: Avoid trying to parse a vector mov as immediate.

Parsing a vector mov instruction currently leads to a phantom undefined
symbol being added to the symbol table. e.g.:

       .text
       mov     x0, v0.D[0]

Produces an undefined symbol called "v0.D".

gas/ChangeLog:

2013-11-05  Will Newton  <will.newton@linaro.org>

	PR gas/16103
	* config/tc-aarch64.c (parse_operands): Avoid trying to
	parse a vector register as an immediate.

gas/testsuite/ChangeLog:

2013-11-05  Will Newton  <will.newton@linaro.org>

	* gas/aarch64/advsimd-mov-bad.d: New file.
	* gas/aarch64/advsimd-mov-bad.s: Likewise.

gas/ChangeLog

+2013-11-05  Will Newton  <will.newton@linaro.org>
+
+	PR gas/16103
+	* config/tc-aarch64.c (parse_operands): Avoid trying to
+	parse a vector register as an immediate.
+
 2013-09-20  Alan Modra  <amodra@gmail.com>
 
 	* configure: Regenerate.

gas/config/tc-aarch64.c

@@ -4810,7 +4810,8 @@ parse_operands (char *str, const aarch64_opcode *opcode)
 	case AARCH64_OPND_IMM_MOV:
 	  {
 	    char *saved = str;
-	    if (reg_name_p (str, REG_TYPE_R_Z_SP))
+	    if (reg_name_p (str, REG_TYPE_R_Z_SP) ||
+		reg_name_p (str, REG_TYPE_VN))
 	      goto failure;
 	    str = saved;
 	    po_misc_or_fail (my_get_expression (&inst.reloc.exp, &str,

gas/testsuite/ChangeLog

+2013-11-05  Will Newton  <will.newton@linaro.org>
+
+	* gas/aarch64/advsimd-mov-bad.d: New file.
+	* gas/aarch64/advsimd-mov-bad.s: Likewise.
+
 2013-10-12  H.J. Lu  <hongjiu.lu@intel.com>
 
 	* gas/i386/mpx.s: Remove bndcl/bndcu/bndcn tests with AX.

gas/testsuite/gas/aarch64/advsimd-mov-bad.d

+#source: advsimd-mov-bad.s
+#readelf: -s --wide
+
+Symbol table '.symtab' contains 6 entries:
+ +Num:.*
+ +[0-9]+:.*
+ +[0-9]+:.*
+ +[0-9]+:.*
+ +[0-9]+:.*
+ +[0-9]+:.*
+#failif
+ +[0-9]+: +[0-9a-f]+ +0 +NOTYPE +GLOBAL +DEFAULT +UND v0.D

gas/testsuite/gas/aarch64/advsimd-mov-bad.s

+        .text
+        mov     x0, v0.D[0]