From 38f1b50d963068f4d3eb1e46f8e2b579178b5e85 Mon Sep 17 00:00:00 2001
From: David Edelsohn <edelsohn@gnu.org>
Date: Sun, 15 Oct 2006 16:21:14 +0000
Subject: [PATCH] re PR target/29250 (internal compiler error: in extract_insn,
 at recog.c:2084)

        PR middle-end/29250
        * gcc.c-torture/compile/pr29250.c: New test.

From-SVN: r117747
---
 gcc/testsuite/ChangeLog                       |  5 +++
 gcc/testsuite/gcc.c-torture/compile/pr29250.c | 32 +++++++++++++++++++
 2 files changed, 37 insertions(+)
 create mode 100644 gcc/testsuite/gcc.c-torture/compile/pr29250.c

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index c2ff6c22b40..8cf1478c84d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2006-10-15  David Edelsohn  <edelsohn@gnu.org>
+
+	PR middle-end/29250
+	* gcc.c-torture/compile/pr29250.c: New test.
+
 2006-10-15  Richard Guenther  <rguenther@suse.de>
 
 	* gcc.dg/pr29299.c: New testcase.
diff --git a/gcc/testsuite/gcc.c-torture/compile/pr29250.c b/gcc/testsuite/gcc.c-torture/compile/pr29250.c
new file mode 100644
index 00000000000..970af329d74
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/pr29250.c
@@ -0,0 +1,32 @@
+/* We used to ICE because EXPAND_SUM was being used for all recursive calls
+   to expand_expr.  */
+struct TSparseEntry
+{
+  int feat_index;
+  double entry;
+};
+
+struct TSparse
+{
+  int vec_index;
+  int num_feat_entries;
+  struct TSparseEntry *features;
+};
+
+void
+get_full_feature_matrix (struct TSparse* sparse_feature_matrix, int num_vec)
+{
+  double *fm;
+  int v, f;
+
+  for (v=0; v < num_vec; v++)
+  {
+    for (f=0; f < sparse_feature_matrix[v].num_feat_entries; f++)
+    {
+      long long offs = sparse_feature_matrix[v].vec_index
+	+ sparse_feature_matrix[v].features[f].feat_index;
+      fm[offs] = sparse_feature_matrix[v].features[f].entry;
+    }
+  }
+}
+