aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.9/gcc/testsuite/gcc.dg/fold-overflow-1.c
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.dg/fold-overflow-1.c')
-rw-r--r--gcc-4.9/gcc/testsuite/gcc.dg/fold-overflow-1.c23
1 files changed, 23 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/fold-overflow-1.c b/gcc-4.9/gcc/testsuite/gcc.dg/fold-overflow-1.c
new file mode 100644
index 000000000..4f45b35ee
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/fold-overflow-1.c
@@ -0,0 +1,23 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target int32plus } */
+/* { dg-skip-if "No Inf support" { spu-*-* } } */
+/* { dg-options "-O -ftrapping-math" } */
+
+/* There should be exactly 2 +Inf in the assembly file. */
+
+float f1 = __FLT_MAX__ + __FLT_MAX__;
+
+float foo1(void)
+{
+ return __FLT_MAX__ + __FLT_MAX__;
+}
+
+float f2 = 1.0f/0.0f;
+
+float foo2(void)
+{
+ return 1.0f/0.0f;
+}
+
+/* { dg-final { scan-assembler-times "2139095040" 2 { target { ! mmix-*-* } } } } */
+/* { dg-final { scan-assembler-times "#7f800000" 2 { target mmix-*-* } } } */