1 files changed, 146 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/builtins-2.c b/gcc/testsuite/gcc.dg/builtins-2.c
new file mode 100644
index 00000000000..68ef67e297b
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/builtins-2.c
@@ -0,0 +1,146 @@
+/* Copyright (C) 2002  Free Software Foundation.
+
+   Verify that built-in math function constant folding doesn't
+   cause any problems for the compiler.
+
+   Written by Roger Sayle, 16th August 2002.  */
+
+/* { dg-do compile } */
+/* { dg-options "-O2 -ffast-math" } */
+
+double test1(double x)
+{
+  return log(exp(x));
+}
+
+double test2(double x)
+{
+  return exp(log(x));
+}
+
+double test3(double x)
+{
+  return sqrt(exp(x));
+}
+
+double test4(double x)
+{
+  return log(sqrt(x));
+}
+
+double test5(double x, double y)
+{
+  return sqrt(x)*sqrt(y);
+}
+
+double test6(double x, double y)
+{
+  return exp(x)*exp(y);
+}
+
+double test7(double x, double y)
+{
+  return x/exp(y);
+}
+
+double test8(double x)
+{
+  return fabs(sqrt(x));
+}
+
+double test9(double x)
+{
+  return fabs(exp(x));
+}
+
+float test1f(float x)
+{
+  return logf(expf(x));
+}
+
+float test2f(float x)
+{
+  return expf(logf(x));
+}
+
+float test3f(float x)
+{
+  return sqrtf(expf(x));
+}
+
+float test4f(float x)
+{
+  return logf(sqrtf(x));
+}
+
+float test5f(float x, float y)
+{
+  return sqrtf(x)*sqrtf(y);
+}
+
+float test6f(float x, float y)
+{
+  return expf(x)*expf(y);
+}
+
+float test7f(float x, float y)
+{
+  return x/expf(y);
+}
+
+float test8f(float x)
+{
+  return fabsf(sqrtf(x));
+}
+
+float test9f(float x)
+{
+  return fabsf(expf(x));
+}
+
+long double test1l(long double x)
+{
+  return logl(expl(x));
+}
+
+long double test2l(long double x)
+{
+  return expl(logl(x));
+}
+
+long double test3l(long double x)
+{
+  return sqrtl(expl(x));
+}
+
+long double test4l(long double x)
+{
+  return logl(sqrtl(x));
+}
+
+long double test5l(long double x, long double y)
+{
+  return sqrtl(x)*sqrtl(y);
+}
+
+long double test6l(long double x, long double y)
+{
+  return expl(x)*expl(y);
+}
+
+long double test7l(long double x, long double y)
+{
+  return x/expl(y);
+}
+
+long double test8l(long double x)
+{
+  return fabsl(sqrtl(x));
+}
+
+long double test9l(long double x)
+{
+  return fabsl(expl(x));
+}
+
+