From 77a149b8a875a2361d6da67f745ec9f1e75a405f Mon Sep 17 00:00:00 2001
From: janis <janis@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Wed, 6 Feb 2002 22:16:11 +0000
Subject: [PATCH] * gcc.dg/20020206-1.c: New test.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@49557 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/testsuite/ChangeLog | 4 +++
gcc/testsuite/gcc.dg/20020206-1.c | 44 +++++++++++++++++++++++++++++++
2 files changed, 48 insertions(+)
create mode 100644 gcc/testsuite/gcc.dg/20020206-1.c
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 5c8a027d3cbd..759f06c62b9d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2002-02-06 Janis Johnson <janis187@us.ibm.com>
+
+ * gcc.dg/20020206-1.c: New test.
+
2002-02-06 Jakub Jelinek <jakub@redhat.com>
* gcc.c-torture/execute/20020206-1.c: New test.
diff --git a/gcc/testsuite/gcc.dg/20020206-1.c b/gcc/testsuite/gcc.dg/20020206-1.c
new file mode 100644
index 000000000000..c53676106100
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/20020206-1.c
@@ -0,0 +1,44 @@
+/* This code is from the beginning of combine_reloads in reload.c in
+ GCC 3.1-20020117, with simplifications. It compiled incorrectly
+ for -O2 -fprefetch-loop-arrays for ix86 targets. */
+
+/* { dg-do run } */
+/* { dg-options "-O2 -fprefetch-loop-arrays -w" } */
+/* { dg-options "-O2 -fprefetch-loop-arrays -mcpu=pentium3 -w" { target i?86-*-* } } */
+
+struct reload
+{
+ int first_member;
+ int out;
+ int final_member;
+};
+
+int n_reloads;
+struct reload rld[10];
+
+static int
+combine_reloads ()
+{
+ int i;
+ int output_reload = -1;
+ int secondary_out = -1;
+
+ for (i = 0; i < n_reloads; i++)
+ if (rld[i].out != 0)
+ {
+ if (output_reload >= 0)
+ return output_reload;
+ output_reload = i;
+ }
+ return output_reload;
+}
+
+int
+main ()
+{
+ n_reloads = 4;
+ rld[2].out = 2;
+ if (combine_reloads () != 2)
+ abort ();
+ exit (0);
+}
--
GitLab