+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
--- /dev/null
+/* { dg-options "-Os -fdump-rtl-hoist" } */
+/* { dg-final { scan-rtl-dump "PRE/HOIST: end of bb .* copying expression" "hoist" { target { nonpic } } } } */
+
+#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[2] = a[1] + a[3];
+ a[3] = a[2] + a[4];
+ a[4] = a[3] + a[5];
+ a[5] = a[4] + a[6];
+ a[6] = a[5] + a[7];
+ a[7] = a[6] + a[8];
+ com (x+y);
+ }
+ else
+ {
+ bar (x+y);
+ }
+
+ return 0;
+}
--- /dev/null
+/* { 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;
+}
+++ /dev/null
-/* { 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[2] = a[1] + a[3];
- a[3] = a[2] + a[4];
- a[4] = a[3] + a[5];
- a[5] = a[4] + a[6];
- a[6] = a[5] + a[7];
- a[7] = a[6] + a[8];
- com (x+y);
- }
- else
- {
- bar (x+y);
- }
-
- return 0;
-}