Add dependency for operations with x86 FPU stack

Load Hoisting optimization can re-order operations with
FPU stack due to no dependency set.

Patch adds resource dependency between these operations.

Change-Id: Iccce98c8f3c565903667c03803884d9de1281ea8
Signed-off-by: Serguei Katkov <serguei.i.katkov@intel.com>
diff --git a/test/302-float-conversion/expected.txt b/test/302-float-conversion/expected.txt
index 6939a5c..7d5c1eb 100644
--- a/test/302-float-conversion/expected.txt
+++ b/test/302-float-conversion/expected.txt
@@ -1 +1,2 @@
-Result is as expected
+Iteration Result is as expected
+inter4:2.0