[Patch ARM/testsuite] Adjust flags for gcc.target/vect-noalign.c

[Ramana Radhakrishnan]

The current set of flags used in this test cause issues with multilib 
testing where there is no neon vs neon support. Thereby adding neon 
specific flags through the proper interfaces.

Applied to trunk after testing on arm-none-eabi with a multilib target 
list of {-marm/-march=armv7-a/-mfpu=vfpv3-d16/-mfloat-abi=softfp} and 
{-mthumb/-march=armv8-a/-mfpu=crypto-neon-fp-armv8/-mfloat-abi=hard} on 
the AEM.

Ramana

2014-06-25  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

         * gcc.target/arm/vect-noalign.c: Adjust options.

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Index: gcc/testsuite/gcc.target/arm/vect-noalign.c
===================================================================
--- gcc/testsuite/gcc.target/arm/vect-noalign.c	(revision 211968)
+++ gcc/testsuite/gcc.target/arm/vect-noalign.c	(working copy)
@@ -1,6 +1,7 @@
 /* { dg-do run } */
 /* { dg-require-effective-target arm_neon_hw } */
-/* { dg-options "-mfpu=neon -ffast-math -ftree-vectorize -fno-common -O2 -mno-unaligned-access" } */
+/* { dg-options "-O2 -fno-common -ftree-vectorize -mno-unaligned-access" }  */
+/* { dg-add-options arm_neon } */
 
 
 /* Test for-mno-unaligned-access and -ftree-vectorize  and results bus error. */