builtins.c (fold_fixed_mathfn): When long and long long are the same size...

	* builtins.c (fold_fixed_mathfn): When long and long long are the
	same size, canonicalize llceil*, llfloor*, llround* and llrint*
	functions to their lceil*, lfloor*, lround* and lrint* forms.

	* gcc.dg/builtins-55.c: New test case.

From-SVN: r115775

1 files changed, 75 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/builtins-55.c b/gcc/testsuite/gcc.dg/builtins-55.c
new file mode 100644
index 0000000..d804f29
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/builtins-55.c
@@ -0,0 +1,75 @@
+/* { dg-do link } */
+/* { dg-options "-O2 -ffast-math" } */
+/* { dg-options "-ffast-math -mmacosx-version-min=10.3" { target powerpc-*-darwin* } } */
+/* { dg-options "-O2 -ffast-math -std=c99" { target *-*-solaris2* } } */
+
+#include "builtins-config.h"
+
+void link_error (void);
+
+extern long lround(double);
+extern long lrint(double);
+
+extern long long llround(double);
+extern long long llrint(double);
+
+extern long lroundf(float);
+extern long lrintf(float);
+
+extern long long llroundf(float);
+extern long long llrintf(float);
+
+extern long lroundl(long double);
+extern long lrintl(long double);
+
+extern long long llroundl(long double);
+extern long long llrintl(long double);
+
+
+void test(double x)
+{
+#ifdef HAVE_C99_RUNTIME
+  if (sizeof(long) != sizeof(long long))
+    return;
+
+  if (lround(x) != llround(x))
+    link_error();
+  if (lrint(x) != llrint(x))
+    link_error();
+#endif
+}
+
+void testf(float x)
+{
+#ifdef HAVE_C99_RUNTIME
+  if (sizeof(long) != sizeof(long long))
+    return;
+
+  if (lroundf(x) != llroundf(x))
+    link_error();
+  if (lrintf(x) != llrintf(x))
+    link_error();
+#endif
+}
+
+void testl(long double x)
+{
+#ifdef HAVE_C99_RUNTIME
+  if (sizeof(long) != sizeof(long long))
+    return;
+
+  if (lroundl(x) != llroundl(x))
+    link_error();
+  if (lrintl(x) != llrintl(x))
+    link_error();
+#endif
+}
+
+int main()
+{
+  test(0.0);
+  testf(0.0);
+  testl(0.0);
+  return 0;
+}
+