softfloat: Move return_nan to softfloat-parts.c.inc
At the same time, convert to pointers, rename to return_nan$N
and define a macro for return_nan using QEMU_GENERIC.
Reviewed-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/fpu/softfloat-parts.c.inc b/fpu/softfloat-parts.c.inc
new file mode 100644
index 0000000..2a3075d
--- /dev/null
+++ b/fpu/softfloat-parts.c.inc
@@ -0,0 +1,37 @@
+/*
+ * QEMU float support
+ *
+ * The code in this source file is derived from release 2a of the SoftFloat
+ * IEC/IEEE Floating-point Arithmetic Package. Those parts of the code (and
+ * some later contributions) are provided under that license, as detailed below.
+ * It has subsequently been modified by contributors to the QEMU Project,
+ * so some portions are provided under:
+ * the SoftFloat-2a license
+ * the BSD license
+ * GPL-v2-or-later
+ *
+ * Any future contributions to this file after December 1st 2014 will be
+ * taken to be licensed under the Softfloat-2a license unless specifically
+ * indicated otherwise.
+ */
+
+static void partsN(return_nan)(FloatPartsN *a, float_status *s)
+{
+ switch (a->cls) {
+ case float_class_snan:
+ float_raise(float_flag_invalid, s);
+ if (s->default_nan_mode) {
+ parts_default_nan(a, s);
+ } else {
+ parts_silence_nan(a, s);
+ }
+ break;
+ case float_class_qnan:
+ if (s->default_nan_mode) {
+ parts_default_nan(a, s);
+ }
+ break;
+ default:
+ g_assert_not_reached();
+ }
+}
