1 files changed, 57 insertions, 0 deletions
diff --git a/gcc/testsuite/c-c++-common/dfp/compare-rel-const.c b/gcc/testsuite/c-c++-common/dfp/compare-rel-const.c
new file mode 100644
index 00000000000..8e99b4466dc
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/dfp/compare-rel-const.c
@@ -0,0 +1,57 @@
+/* C99 6.5.8 Relational operators.
+   Compare decimal float constants against each other. */
+
+extern void link_error (void);
+
+int
+main ()
+{
+  /* Compare like-typed negative constants. */
+  if (-2.0dl < -2.0dl)
+    link_error ();
+
+  /* Compare like-typed constants. */
+  if (-2.0dl >= .01dl)
+    link_error ();
+
+  /* Compare like-typed constants. */
+  if (0.2dd > 0.02e1dd)
+    link_error ();
+  
+  /* Compare decimal float constants of different types. */
+  if (-.000005dd >= -.0000049DL)
+  link_error();
+
+  /* Test use gcc builtins for comparisons. */
+  if (__builtin_isless(-2.0dl,-2.0dl))
+    link_error();
+
+  if (__builtin_isgreaterequal(-2.0dl,.01dl))
+    link_error();
+
+  if (!(__builtin_islessequal(-2.0dl, -2.0dd)))
+    link_error();
+
+  if (!(__builtin_isgreater(2.0dl, -2.0dd)))
+    link_error();
+
+  if (__builtin_islessequal(2.0df, __builtin_nand64("")))
+    link_error();
+
+  if (__builtin_islessgreater(2.0dd, __builtin_nand64("")))
+    link_error();
+
+  if (!__builtin_islessgreater(2.0dd, -2.0dd))
+    link_error();
+
+  if (!__builtin_islessgreater(-3.0dd, 2.0dd))
+    link_error();
+
+  if (__builtin_isunordered(1.1df, 0.003dd))
+    link_error();
+
+  if (!__builtin_isunordered(-3.1df, __builtin_nand32("")))
+    link_error();
+
+  return 0;
+}