[PATCH] arm: don't silently accept certain wrong VST4 variants

[Jan Beulich]

VST4 with operands matching VLD4's "single element to all lanes" assembled
silently to opcode 0xffffffff, and other VSTn variants produced unrelated
errors.

gas/
2013-04-08  Jan Beulich <jbeulich@suse.com>

	* gas/config/tc-arm.c (do_neon_ldx_stx): Reject VSTn in the
	NEON_ALL_LANES case.

--- 2013-04-08/gas/config/tc-arm.c
+++ 2013-04-08/gas/config/tc-arm.c
@@ -15999,6 +15999,11 @@ do_neon_ldx_stx (void)
 
     case NEON_ALL_LANES:
       NEON_ENCODE (DUP, inst);
+      if (inst.instruction == N_INV)
+	{
+	  first_error ("only loads support such operands");
+	  break;
+	}
       do_neon_ld_dup ();
       break;
 



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