PR target/19340

	* reg-stack.c (reg_to_stack): Update register liveness also
	for flag_sched2_use_traces.

testsuite/

	PR target/19340
	* gcc.dg/pr19340.c: New test.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@106632 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 26 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/pr19340.c b/gcc/testsuite/gcc.dg/pr19340.c
new file mode 100644
index 00000000000..cac4b0933ee
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr19340.c
@@ -0,0 +1,26 @@
+/* { dg-do compile } */
+/* { dg-options "-O1 -fschedule-insns2 -fsched2-use-traces" } */
+
+extern double f (double x);
+
+double g (int a)
+{
+  int b, c, d, e = 0;
+  double h;
+
+  for (d = 0; d < a; d++)
+    for (c = 0; c < a; c++)
+      b = 1;
+
+  h = (double) e / (double) a;
+
+  if (h)
+    {
+      h = 1.0 / h;
+      h = f (h);
+    }
+  else
+    h = 1.0;
+
+  return h;
+}