obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 106 insertions, 0 deletions

diff --git a/gcc/testsuite/c-c++-common/dfp/nan-1.c b/gcc/testsuite/c-c++-common/dfp/nan-1.c
new file mode 100644
index 000000000..8961777c7
--- /dev/null
+++ b/gcc/testsuite/c-c++-common/dfp/nan-1.c
@@ -0,0 +1,106 @@
+/* N1150 4: Characteristics of decimal floating types (not explicit)
+   C99 5.2.4.2.2: Characteristics of floating types.
+   A few simple checks on arithmetic operations. */
+
+#include "dfp-dbg.h"
+
+int main()
+{
+  /* Some possibly non-obvious tests, but most logical
+     operations on NaN return false, including NaN == NaN. */
+  if (__builtin_nand32("") == __builtin_nand32(""))
+    FAILURE
+
+  if (__builtin_nand64("") == __builtin_nand64(""))
+    FAILURE
+
+  if (__builtin_nand128("") == __builtin_nand128(""))
+    FAILURE
+  
+  if (!(__builtin_nand32("") != __builtin_nand32("")))
+    FAILURE
+
+  if (!(__builtin_nand64("") != __builtin_nand64("")))
+    FAILURE
+
+  if (!(__builtin_nand128("") != __builtin_nand128("")))
+    FAILURE
+
+  if (__builtin_nand32("") > __builtin_nand32(""))
+    FAILURE
+
+  if (__builtin_nand64("") >= __builtin_nand64(""))
+    FAILURE
+
+  if (__builtin_nand128("") <  __builtin_nand128(""))
+    FAILURE
+
+  if (-__builtin_nand128("") <  +__builtin_nand128(""))
+    FAILURE
+
+  /* 0.0/0.0 => NaN, but NaN != NaN.  */
+  if (0.0df/0.0dl == __builtin_nand32(""))
+    FAILURE
+
+  /* 0.0 * INF => NaN.  */
+  if (!__builtin_isnand32 (0.0df * __builtin_infd32()))
+    FAILURE
+
+  if (!__builtin_isnand64 (0.0dd * __builtin_infd64()))
+    FAILURE
+
+  if (!__builtin_isnand128 (0.0dd * __builtin_infd128()))
+    FAILURE
+
+  /* INF - INF => NaN.  */
+  if (!__builtin_isnand32 (__builtin_infd32() - __builtin_infd32()))
+    FAILURE
+
+  if (!__builtin_isnand64 (__builtin_infd64() - __builtin_infd64()))
+    FAILURE
+
+  if (!__builtin_isnand128 (__builtin_infd128() - __builtin_infd128()))
+    FAILURE
+
+  /* INF/INF => NaN.  */
+  if (!__builtin_isnand32 (__builtin_infd32()/__builtin_infd32()) )
+    FAILURE
+
+  if (!__builtin_isnand64 (__builtin_infd64()/__builtin_infd64()) )
+    FAILURE
+
+  if (!__builtin_isnand128 (__builtin_infd128()/__builtin_infd128()) )
+    FAILURE
+  
+  /* 0.0/0.0 => NaN, but NaN != NaN.  */
+  if ((0.0dd/0.0df) == (0.0dd/0.0df))
+    FAILURE
+
+  if (__builtin_nand32("") <  __builtin_infd32())
+    FAILURE
+
+  if (__builtin_nand32("") >=  __builtin_infd32())
+    FAILURE
+
+  /* Fixme: Add sqrtdf(-x.df) test when sqrt is supported. */
+
+  if (!__builtin_isnand32(__builtin_nand32("")))
+    FAILURE
+
+  if (!__builtin_isnand64(__builtin_nand64("")))
+    FAILURE
+
+  if (!__builtin_isnand128(__builtin_nand128("")))
+    FAILURE
+
+  if (!__builtin_isnand128(8.0df * __builtin_nand128("")))
+    FAILURE
+
+  if (!__builtin_isnand32(8.1dl - __builtin_nand32("")))
+    FAILURE
+
+  if (!__builtin_isnand128(__builtin_nand64("") + __builtin_nand128("")))
+    FAILURE
+
+  FINISH
+}