1 files changed, 55 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/s390/signbit-4.c b/gcc/testsuite/gcc.target/s390/signbit-4.c
new file mode 100644
index 0000000..2cb743e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/s390/signbit-4.c
@@ -0,0 +1,55 @@
+/* { dg-do run { target lp64 } } */
+/* { dg-require-effective-target s390_vx } */
+/* { dg-options "-O2 -march=z13 -save-temps" } */
+/* { dg-final { check-function-bodies "**" "" "" } } */
+
+/* Binary Floating-Point */
+
+/*
+** signbit_float_reg:
+**    vlgvf	(%r[0-9]+),%v0,0
+**    risbgn	%r2,\1,64-1,128\+63,32\+1
+**    br	%r14
+*/
+__attribute__ ((noipa))
+int signbit_float_reg (float x) { return __builtin_signbit (x); }
+
+/*
+** signbit_float_mem:
+**    l	(%r[0-9]+),0\(%r2\)
+**    risbgn	%r2,\1,64-1,128\+63,32\+1
+**    br	%r14
+*/
+__attribute__ ((noipa))
+int signbit_float_mem (float *x) { return __builtin_signbit (*x); }
+
+/* Decimal Floating-Point */
+
+/*
+** signbit_dec32_reg:
+**    vlgvf	(%r[0-9]+),%v0,0
+**    risbgn	%r2,\1,64-1,128\+63,32\+1
+**    br	%r14
+*/
+__attribute__ ((noipa))
+int signbit_dec32_reg (_Decimal32 x) { return __builtin_signbit (x); }
+
+/*
+** signbit_dec32_mem:
+**    l	(%r[0-9]+),0\(%r2\)
+**    risbgn	%r2,\1,64-1,128\+63,32\+1
+**    br	%r14
+*/
+__attribute__ ((noipa))
+int signbit_dec32_mem (_Decimal32 *x) { return __builtin_signbit (*x); }
+
+#include "signbit.h"
+TEST (float, float, __builtin_inff(), __builtin_nanf("42"), 0.f, 42.f)
+TEST (dec32, _Decimal32, __builtin_infd32(), __builtin_nand32("42"), 0.df, 42.df)
+
+int
+main (void)
+{
+  test_float ();
+  test_dec32 ();
+}