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-rw-r--r--gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20020529-1.c78
1 files changed, 78 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20020529-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20020529-1.c
new file mode 100644
index 000000000..d1b93c76f
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20020529-1.c
@@ -0,0 +1,78 @@
+/* PR target/6838 from cato@df.lth.se.
+ cris-elf got an ICE with -O2: the insn matching
+ (insn 49 48 52 (parallel[
+ (set (mem/s:HI (plus:SI (reg/v/f:SI 0 r0 [24])
+ (const_int 8 [0x8])) [5 <variable>.c+0 S2 A8])
+ (reg:HI 2 r2 [27]))
+ (set (reg/f:SI 2 r2 [31])
+ (plus:SI (reg/v/f:SI 0 r0 [24])
+ (const_int 8 [0x8])))
+ ] ) 24 {*mov_sidehi_mem} (nil)
+ (nil))
+ forced a splitter through the output pattern "#", but there was no
+ matching splitter. */
+
+struct xx
+ {
+ int a;
+ struct xx *b;
+ short c;
+ };
+
+int f1 (struct xx *);
+void f2 (void);
+
+int
+foo (struct xx *p, int b, int c, int d)
+{
+ int a;
+
+ for (;;)
+ {
+ a = f1(p);
+ if (a)
+ return (0);
+ if (b)
+ continue;
+ p->c = d;
+ if (p->a)
+ f2 ();
+ if (c)
+ f2 ();
+ d = p->c;
+ switch (a)
+ {
+ case 1:
+ if (p->b)
+ f2 ();
+ if (c)
+ f2 ();
+ default:
+ break;
+ }
+ }
+ return d;
+}
+
+int main (void)
+{
+ struct xx s = {0, &s, 23};
+ if (foo (&s, 0, 0, 0) != 0 || s.a != 0 || s.b != &s || s.c != 0)
+ abort ();
+ exit (0);
+}
+
+int
+f1 (struct xx *p)
+{
+ static int beenhere = 0;
+ if (beenhere++ > 1)
+ abort ();
+ return beenhere > 1;
+}
+
+void
+f2 (void)
+{
+ abort ();
+}