[Patch, AArch64]: Fix test harness to for unaligned vector mem access.

[Tejas Belagod <tbelagod@arm.com>]

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Hi,

Currently on the trunk, we have many vect tests that fail for aarch64-*-*
because check_effective_target_vect_no_align () in target-supports.exp returns
true for aarch64 where in fact it should be returning false. This causes the
tests that check for vect_no_align and expect messages for loop versioning to
fail. The attached patch drops aarch64 from the list of targets in
check_effective_target_vect_no_align () as unaligned access is supported.

Tested on trunk for aarch64-none-elf with no regressions. OK for trunk?

Thanks,
Tejas Belagod
ARM.

Changelog:

2012-12-19  Tejas Belagod  <tejas.belagod@arm.com>

testsuite/
	* lib/target-supports.exp
	(check_effective_target_vect_no_align): Remove aarch64 from list of
	targets.

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diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp
index e541c12..c20ec5e 100644
--- a/gcc/testsuite/lib/target-supports.exp
+++ b/gcc/testsuite/lib/target-supports.exp
@@ -3488,7 +3488,6 @@ proc check_effective_target_vect_no_align { } {
 	if { [istarget mipsisa64*-*-*]
 	     || [istarget sparc*-*-*]
 	     || [istarget ia64-*-*]
-	     || [istarget aarch64-*-*]
 	     || [check_effective_target_arm_vect_no_misalign]
 	     || ([istarget mips*-*-*]
 		 && [check_effective_target_mips_loongson]) } {