1 files changed, 148 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/dfp/convert-int-max-fold.c b/gcc-4.9/gcc/testsuite/c-c++-common/dfp/convert-int-max-fold.c
new file mode 100644
index 000000000..3f6faae34
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/dfp/convert-int-max-fold.c
@@ -0,0 +1,148 @@
+/* { dg-options "-O2 -w" } */
+
+/* N1150 5.1 Conversions from decimal float to integer.  */
+
+/* Test decimal float to integer conversions for values at the limit of
+   what will fit into the destination type.  This assumes 32-bit int and
+   64-bit long long (there's a check for that below).  This version tests
+   conversions during compilation.  */
+
+#include "dfp-dbg.h"
+
+extern void link_error (void);
+
+void
+doit ()
+{
+  _Decimal32 d32;
+  _Decimal64 d64;
+  _Decimal128 d128;
+  int si;
+  unsigned int ui;
+  long long sll;
+  unsigned long long ull;
+
+  /* _Decimal32 to int.  */
+
+  d32 = 2147483.E3DF;
+  si = d32;
+  if (si != 2147483000)
+    link_error ();
+
+  d32 = -2147483.E3DF;
+  si = d32;
+  if (si != -2147483000)
+    link_error ();
+
+  /* _Decimal32 to unsigned int.  */
+
+  d32 = 4.294967E9DF;
+  ui = d32;
+  if (ui != 4294967000U)
+    link_error ();
+
+  /* _Decimal32 to long long.  */
+
+  d32 = 922.3372E16DF;
+  sll = d32;
+  if (sll != 9223372000000000000LL)
+    link_error ();
+
+  d32 = -92233.72E14DF;
+  sll = d32;
+  if (sll != -9223372000000000000LL)
+    link_error ();
+
+  /* _Decimal32 to unsigned long long.  */
+
+  d32 = 0.1844674E20DF;
+  ull = d32;
+  if (ull != 18446740000000000000ULL)
+    link_error ();
+
+  /* _Decimal64 to int.  */
+
+  d64 = 2.147483647E9DD;
+  si = d64;
+  if (si != 2147483647)
+    link_error ();
+
+  d64 = -2147483648.DD;
+  si = d64;
+  if (si != -2147483648)
+    link_error ();
+
+  /* _Decimal64 to unsigned int.  */
+
+  d64 = 42949.67295E5DD;
+  ui = d64;
+  if (ui != 4294967295)
+    link_error ();
+
+  /* _Decimal64 to long long.  */
+
+  d64 = 9.223372036854775E18DD;
+  sll = d64;
+  if (sll != 9223372036854775000LL)
+    link_error (); 
+
+  d64 = -92233720.36854775E11DD;
+  sll = d64;
+  if (sll != -9223372036854775000LL)
+    link_error ();
+
+  /* _Decimal64 to unsigned long long.  */
+  d64 = 1844674407370955.E4DD;
+  ull = d64;
+  if (ull != 18446744073709550000ULL)
+    link_error ();
+
+  /* _Decimal128 to int.  */
+
+  d128 = 2.147483647E9DL;
+  si = d128;
+  if (si != 2147483647)
+    link_error ();
+
+  d128 = -2147483648.DL;
+  si = d128;
+  if (si != -2147483648)
+    link_error ();
+
+  /* _Decimal128 to unsigned int.  */
+
+  d128 = 4294.967295E6DL;
+  ui = d128;
+  if (ui != 4294967295)
+    link_error ();
+
+  /* _Decimal128 to long long.  */
+
+  d128 = 9223372036854775807.DL;
+  sll = d128;
+  if (sll != 9223372036854775807LL)
+    link_error (); 
+
+  d128 = -9.223372036854775808E19DL;
+  sll = d128;
+  if (sll != -9223372036854775807LL - 1LL)
+    link_error ();
+
+  /* _Decimal128 to unsigned long long.  */
+  d128 = 18446744073709551615.DL;
+  ull = d128;
+  if (ull != 18446744073709551615ULL)
+    link_error ();
+}
+
+int
+main ()
+{
+  /* This test assumes 32-bit int and 64-bit long long.  */
+
+  if (sizeof (int) != 4 || sizeof (long long) != 8)
+    return 0;
+
+  doit ();
+  return 0;
+}