1 files changed, 40 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/s390/signbit-2.c b/gcc/testsuite/gcc.target/s390/signbit-2.c
new file mode 100644
index 0000000..488c477
--- /dev/null
+++ b/gcc/testsuite/gcc.target/s390/signbit-2.c
@@ -0,0 +1,40 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -march=z9-ec -mzarch -save-temps" } */
+/* { dg-final { scan-assembler-times {\ttdcet\t} 2 } } */
+/* { dg-final { scan-assembler-times {\ttdcdt\t} 2 } } */
+/* { dg-final { scan-assembler-times {\ttdcxt\t} 2 } } */
+
+/* Decimal Floating-Point */
+
+__attribute__ ((noipa))
+int signbit_dec32_reg (_Decimal32 x) { return __builtin_signbit (x); }
+__attribute__ ((noipa))
+int signbit_dec32_mem (_Decimal32 *x) { return __builtin_signbit (*x); }
+__attribute__ ((noipa))
+int signbit_dec64_reg (_Decimal64 x) { return __builtin_signbit (x); }
+__attribute__ ((noipa))
+int signbit_dec64_mem (_Decimal64 *x) { return __builtin_signbit (*x); }
+
+__attribute__ ((noipa))
+int
+signbit_dec128_reg (_Decimal128 x)
+{
+  __asm__ ("" : "+f" (x));
+  return __builtin_signbit (x);
+}
+
+__attribute__ ((noipa))
+int signbit_dec128_mem (_Decimal128 *x) { return __builtin_signbit (*x); }
+
+#include "signbit.h"
+TEST (dec32, _Decimal32, __builtin_infd32(), __builtin_nand32("42"), 0.df, 42.df)
+TEST (dec64, _Decimal64, __builtin_infd64(), __builtin_nand64("42"), 0.dd, 42.dd)
+TEST (dec128, _Decimal128, __builtin_infd128(), __builtin_nand128("42"), 0.dl, 42.dl)
+
+int
+main (void)
+{
+  test_dec32 ();
+  test_dec64 ();
+  test_dec128 ();
+}