asm-support.S (snapshot_ret): Preserve stack alignment.

	* gcc.target/x86_64/abi/avx/asm-support.S (snapshot_ret): Preserve
	stack alignment.

From-SVN: r155814

gcc/testsuite/ChangeLog

+2010-01-11  Uros Bizjak  <ubizjak@gmail.com>
+
+	* gcc.target/x86_64/abi/avx/asm-support.S (snapshot_ret): Preserve
+	stack alignment.
+
 2010-01-10  Rafael Avila de Espindola  <espindola@google.com>
 
 	* gcc.dg/lto/20100108_0.c: New.

gcc/testsuite/gcc.target/x86_64/abi/avx/asm-support.S

@@ -46,7 +46,9 @@ snapshot:
 	.type	snapshot_ret, @function
 snapshot_ret:
 	movq	%rdi, rdi(%rip)
+	subq	$8, %rsp
 	call	*callthis(%rip)
+	addq	$8, %rsp
 	movq	%rax, rax(%rip)
 	movq	%rdx, rdx(%rip)
 	vmovdqu	%ymm0, ymm_regs+0(%rip)