1 files changed, 43 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/float-range-3.c b/gcc/testsuite/gcc.dg/float-range-3.c
new file mode 100644
index 000000000..32bef98df
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/float-range-3.c
@@ -0,0 +1,43 @@
+/* PR 23572 : warnings for out of range floating-point constants.  */
+/* { dg-do compile } */
+/* { dg-options "-std=c99" } */
+/* { dg-skip-if "No Inf support" { spu-*-* } } */
+#include <math.h>
+
+#ifndef INFINITY
+#define INFINITY (__builtin_inff ())
+#endif
+
+void overflow(void)
+{
+  float f1 = 3.5E+38f;  /* { dg-warning "floating constant exceeds range" } */
+  float f2 = -3.5E+38f; /* { dg-warning "floating constant exceeds range" } */
+  float f3 = INFINITY;
+  float f4 = -INFINITY;
+
+  double d1 = 1.9E+308;  /* { dg-warning "floating constant exceeds range" } */
+  double d2 = -1.9E+308; /* { dg-warning "floating constant exceeds range" } */
+  double d3 = INFINITY;
+  double d4 = -INFINITY;
+}
+
+void underflow(void)
+{
+  float f11 = 3.3E-10000000000000000000f;  /* { dg-warning "floating constant truncated to zero" } */
+  float f22 = -3.3E-10000000000000000000f; /* { dg-warning "floating constant truncated to zero" } */
+  float f1 = 3.3E-46f;  /* { dg-warning "floating constant truncated to zero" } */
+  float f2 = -3.3E-46f; /* { dg-warning "floating constant truncated to zero" } */
+  float f3 = 0;
+  float f4 = -0;
+  float f5 = 0.0;
+  float f6 = -0.0;
+
+  double d11 = 3.3E-10000000000000000000;  /* { dg-warning "floating constant truncated to zero" } */
+  double d22 = -3.3E-10000000000000000000; /* { dg-warning "floating constant truncated to zero" } */
+  double d1 = 1.4E-325;  /* { dg-warning "floating constant truncated to zero" } */
+  double d2 = -1.4E-325; /* { dg-warning "floating constant truncated to zero" } */
+  double d3 = 0;
+  double d4 = -0;
+  double d5 = 0.0;
+  double d6 = -0.0;
+}