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-rw-r--r--gcc/testsuite/gcc.misc-tests/bprob-2.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.misc-tests/bprob-2.c b/gcc/testsuite/gcc.misc-tests/bprob-2.c
new file mode 100644
index 000000000..e0931f39c
--- /dev/null
+++ b/gcc/testsuite/gcc.misc-tests/bprob-2.c
@@ -0,0 +1,45 @@
+/* Test profile-directed block ordering with computed gotos.
+ *
+ This is the same as test gcc.c-torture/execute/980526-1.c and
+ gcc.misc-tests/gcov-3.c */
+
+extern void abort (void);
+extern void exit (int);
+
+int expect_do1 = 1, expect_do2 = 2;
+
+static int doit(int x){
+ __label__ lbl1;
+ __label__ lbl2;
+ static int jtab_init = 0;
+ static void *jtab[2];
+
+ if(!jtab_init) {
+ jtab[0] = &&lbl1;
+ jtab[1] = &&lbl2;
+ jtab_init = 1;
+ }
+ goto *jtab[x];
+lbl1:
+ return 1;
+lbl2:
+ return 2;
+}
+
+static void do1(void) {
+ if (doit(0) != expect_do1)
+ abort ();
+}
+
+static void do2(void){
+ if (doit(1) != expect_do2)
+ abort ();
+}
+
+int main(void){
+#ifndef NO_LABEL_VALUES
+ do1();
+ do2();
+#endif
+ exit(0);
+}