aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20031220-1.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20031220-1.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20031220-1.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20031220-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20031220-1.c
new file mode 100644
index 000000000..026a2687f
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20031220-1.c
@@ -0,0 +1,21 @@
+/* PR optimization/13031 */
+/* The following code used to ICE on alphaev67-*-* at -O2 with an
+ unrecognizable instruction, caused by local register allocation
+ substituting a register for a constant in a conditional branch. */
+
+void emit(int, int);
+int f(void);
+static int signals[5];
+
+static inline void select(int sel, void *klass)
+{
+ emit(klass ? 0 : f(), signals[sel ? 0 : 1]);
+}
+
+void all(void *gil, void *l, void *icon)
+{
+ while (l)
+ if (icon)
+ select(0, gil);
+}
+