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-rw-r--r--gcc/testsuite/gcc.c-torture/execute/ieee/compare-fp-3.c97
1 files changed, 97 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/ieee/compare-fp-3.c b/gcc/testsuite/gcc.c-torture/execute/ieee/compare-fp-3.c
new file mode 100644
index 000000000..03e6ff2c5
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/ieee/compare-fp-3.c
@@ -0,0 +1,97 @@
+/* Copyright (C) 2004 Free Software Foundation.
+
+ Test for composite comparison always true/false optimization.
+
+ Written by Paolo Bonzini, 26th May 2004. */
+
+extern void link_error0 ();
+extern void link_error1 ();
+
+void
+test1 (float x, float y)
+{
+ if ((x==y) && (x!=y))
+ link_error0();
+}
+
+void
+test2 (float x, float y)
+{
+ if ((x<y) && (x>y))
+ link_error0();
+}
+
+void
+test3 (float x, float y)
+{
+ if ((x<y) && (y<x))
+ link_error0();
+}
+
+void
+test4 (float x, float y)
+{
+ if ((x==y) || (x!=y))
+ {
+ }
+ else
+ link_error1 ();
+}
+
+void
+test5 (float x, float y)
+{
+ if (__builtin_isunordered (x, y) || (x>=y) || (x<y))
+ {
+ }
+ else
+ link_error1 ();
+}
+
+void
+test6 (float x, float y)
+{
+ if (__builtin_isunordered (y, x) || (x<=y) || (y<x))
+ {
+ }
+ else
+ link_error1 ();
+}
+
+void
+test7 (float x, float y)
+{
+ if (__builtin_isunordered (x, y) || !__builtin_isunordered (x, y))
+ {
+ }
+ else
+ link_error1 ();
+}
+
+void
+all_tests (float x, float y)
+{
+ test1 (x, y);
+ test2 (x, y);
+ test3 (x, y);
+ test4 (x, y);
+ test5 (x, y);
+ test6 (x, y);
+ test7 (x, y);
+}
+
+int
+main ()
+{
+ all_tests (0, 0);
+ all_tests (1, 2);
+ all_tests (4, 3);
+
+ return 0;
+}
+
+#ifndef __OPTIMIZE__
+void link_error0() {}
+void link_error1() {}
+#endif /* ! __OPTIMIZE__ */
+