From d863d14312412121fc138f607258e7a86e72a7a8 Mon Sep 17 00:00:00 2001
From: Bin Cheng <bin.cheng@arm.com>
Date: Tue, 30 Oct 2012 02:17:50 +0000
Subject: [PATCH] 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                            |  7 +++++
 ...ster-pressure.c => hoist-register-pressure-1.c} |  2 +-
 gcc/testsuite/gcc.dg/hoist-register-pressure-2.c   | 32 ++++++++++++++++++++++
 3 files changed, 40 insertions(+), 1 deletion(-)
 rename gcc/testsuite/gcc.dg/{hoist-register-pressure.c => hoist-register-pressure-1.c} (92%)
 create mode 100644 gcc/testsuite/gcc.dg/hoist-register-pressure-2.c

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f6a8122..627d80d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+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
diff --git a/gcc/testsuite/gcc.dg/hoist-register-pressure.c b/gcc/testsuite/gcc.dg/hoist-register-pressure-1.c
similarity index 92%
rename from gcc/testsuite/gcc.dg/hoist-register-pressure.c
rename to gcc/testsuite/gcc.dg/hoist-register-pressure-1.c
index 6077f1e..01e5ed4 100644
--- a/gcc/testsuite/gcc.dg/hoist-register-pressure.c
+++ b/gcc/testsuite/gcc.dg/hoist-register-pressure-1.c
@@ -1,5 +1,5 @@
 /* { 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];
diff --git a/gcc/testsuite/gcc.dg/hoist-register-pressure-2.c b/gcc/testsuite/gcc.dg/hoist-register-pressure-2.c
new file mode 100644
index 0000000..7f973fe
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/hoist-register-pressure-2.c
@@ -0,0 +1,32 @@
+/* { 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;
+}
-- 
2.7.4