4 files changed, 51 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a8ea26c..c1a0f54 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,10 @@
+2013-12-03  Wei Mi  <wmi@google.com>
+
+	PR rtl-optimization/59020
+	* testsuite/gcc.dg/pr59020.c: New.
+	* testsuite/gcc.dg/macro-fusion-1.c: New.
+	* testsuite/gcc.dg/macro-fusion-2.c: New.
+
 2013-12-03  Yury Gribov  <y.gribov@samsung.com>
 
 	PR sanitizer/59063
diff --git a/gcc/testsuite/gcc.dg/macro-fusion-1.c b/gcc/testsuite/gcc.dg/macro-fusion-1.c
new file mode 100644
index 0000000..4ac9866
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/macro-fusion-1.c
@@ -0,0 +1,13 @@
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mtune=corei7 -fdump-rtl-sched2" } */
+/* { dg-final { scan-rtl-dump-not "compare.*insn.*jump_insn.*jump_insn" "sched2" } } */
+
+int a[100];
+
+double bar (double sum)
+{
+  int i;
+  for (i = 0; i < 1000000; i++)
+   sum += (0.5 + (a[i%100] - 128));
+  return sum;
+}
diff --git a/gcc/testsuite/gcc.dg/macro-fusion-2.c b/gcc/testsuite/gcc.dg/macro-fusion-2.c
new file mode 100644
index 0000000..638350d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/macro-fusion-2.c
@@ -0,0 +1,16 @@
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -mtune=corei7-avx -fdump-rtl-sched2" } */
+/* { dg-final { scan-rtl-dump-not "compare.*insn.*jump_insn.*jump_insn" "sched2" } } */
+
+int a[100];
+
+double bar (double sum)
+{
+  int i = 100000;
+  while (i != 0)
+    {
+      sum += (0.5 + (a[i%100] - 128));
+      i--;
+    }
+  return sum;
+}
diff --git a/gcc/testsuite/gcc.dg/pr59020.c b/gcc/testsuite/gcc.dg/pr59020.c
new file mode 100644
index 0000000..696c9df
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr59020.c
@@ -0,0 +1,15 @@
+/* PR rtl-optimization/59020 */
+
+/* { dg-do compile { target i?86-*-* x86_64-*-* } } */
+/* { dg-options "-O2 -fmodulo-sched -fno-inline -march=corei7" } */
+
+int a, b, d;
+unsigned c;
+
+void f()
+{
+  unsigned q;
+  for(; a; a++)
+    if(((c %= d && 1) ? : 1) & 1)
+      for(; b; q++);
+}