re PR target/54989 (FAIL: gcc.dg/hoist-register-pressure.c scan-rtl-dump hoist…

re PR target/54989 (FAIL: gcc.dg/hoist-register-pressure.c scan-rtl-dump hoist "PRE/HOIST: end of bb .* copying expression" on darwin)

	PR target/54989
	* gcc.dg/hoist-register-pressure-1.c: Rename from
	hoist-register-pressure.c. Add nonpic condition.
	* gcc.dg/hoist-register-pressure-2.c: New testcase.

From-SVN: r192976

gcc/testsuite/ChangeLog

+2012-10-30  Bin Cheng  <bin.cheng@arm.com>
+
+	PR target/54989
+	* gcc.dg/hoist-register-pressure-1.c: Rename from
+	hoist-register-pressure.c. Add nonpic condition.
+	* gcc.dg/hoist-register-pressure-2.c: New testcase.
+
 2012-10-29  Jonathan Wakely  <jwakely.gcc@gmail.com>
 
 	PR c++/54930

gcc/testsuite/gcc.dg/hoist-register-pressure.c → gcc/testsuite/gcc.dg/hoist-register-pressure-1.c

 /* { dg-options "-Os -fdump-rtl-hoist" }  */
-/* { dg-final { scan-rtl-dump "PRE/HOIST: end of bb .* copying expression" "hoist" } } */
+/* { dg-final { scan-rtl-dump "PRE/HOIST: end of bb .* copying expression" "hoist" { target { nonpic } } } } */
 
 #define BUF 100
 int a[BUF];

gcc/testsuite/gcc.dg/hoist-register-pressure-2.c

+/* { dg-options "-Os -fdump-rtl-hoist" }  */
+/* { dg-final { scan-rtl-dump "PRE/HOIST: end of bb .* copying expression" "hoist" } } */
+
+#define BUF 100
+int a[BUF];
+
+void com (int);
+void bar (int);
+
+int foo (int x, int y, int z)
+{
+  /* "x+y" won't be hoisted if "-fira-hoist-pressure" is disabled,
+     because its rtx_cost is too small.  */
+  if (z)
+    {
+      a[1] = a[0];
+      a[2] = a[1];
+      a[3] = a[3];
+      a[4] = a[5];
+      a[5] = a[7];
+      a[6] = a[11];
+      a[7] = a[13];
+      a[8] = a[17];
+      com (x+y);
+    }
+  else
+    {
+      bar (x+y);
+    }
+
+  return 0;
+}