1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/387-10.c b/gcc/testsuite/gcc.target/i386/387-10.c
new file mode 100644
index 000000000..0ff1b2a7c
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/387-10.c
@@ -0,0 +1,20 @@
+/* PR tree-optimization/24964 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -mfpmath=387 -mfancy-math-387" } */
+
+double fabs(double x);
+
+double test1(double x)
+{
+  double t = fabs(x);
+  return t*t;
+}
+
+double test2(double x)
+{
+  double t = -x;
+  return t*t;
+}
+
+/* { dg-final { scan-assembler-not "fchs" } } */
+/* { dg-final { scan-assembler-not "fabs" } } */