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>

3 files changed, 19 insertions, 2 deletions

diff --git a/test/302-float-conversion/expected.txt b/test/302-float-conversion/expected.txt
index 6939a5cccb..7d5c1eba62 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
diff --git a/test/302-float-conversion/info.txt b/test/302-float-conversion/info.txt
index 2b8bc2174c..eb3d6c43ae 100644
--- a/test/302-float-conversion/info.txt
+++ b/test/302-float-conversion/info.txt
@@ -2,3 +2,4 @@ Tests whether constant conversions of double values to long values are
 properly handled by the VM. For example, x86 systems using the x87 stack
  should not overflow under constant conversions.
 
+The second test checks the Load hoisting optimization for float pointing conversion.
\ No newline at end of file
diff --git a/test/302-float-conversion/src/Main.java b/test/302-float-conversion/src/Main.java
index dc512c5dcf..afc5e976d9 100644
--- a/test/302-float-conversion/src/Main.java
+++ b/test/302-float-conversion/src/Main.java
@@ -19,6 +19,11 @@ public class Main {
     static volatile double negInfinity = Double.NEGATIVE_INFINITY;
 
     public static void main(String args[]) {
+        test1();
+        test2();
+    }
+
+    public static void test1() {
 
         long sumInf = 0;
         long sumRes = 0;
@@ -35,9 +40,19 @@ public class Main {
         }
 
         if (sumRes == NUM_ITERATIONS / 2) {
-            System.out.println("Result is as expected");
+            System.out.println("Iteration Result is as expected");
         } else {
             System.out.println("Conversions failed over " + NUM_ITERATIONS + " iterations");
         }
     }
+
+    public static void test2() {
+        long a = 1L;
+        long b = 2L;
+
+        float inter3 = a;
+        float inter4 = b;
+        System.out.println("inter4:" + inter4);
+    }
+
 }