* fixed GCC 4.4.0 mingw compilation:

[fw/sdcc] / device / lib / _fs2uchar.c

diff --git a/device/lib/_fs2uchar.c b/device/lib/_fs2uchar.c
index ce4a927203ea58cd805b023b4a76ddf822224c10..cc3f6b1ac69d0be64053bbae1b4d02136d9d4b3d 100644 (file)
--- a/device/lib/_fs2uchar.c
+++ b/device/lib/_fs2uchar.c
@@ -1,9 +1,48 @@
+/* Floating point library in optimized assembly for 8051
+ * Copyright (c) 2004, Paul Stoffregen, paul@pjrc.com
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ */
+
+#define SDCC_FLOAT_LIB
 #include <float.h>
 
+
+#ifdef FLOAT_ASM_MCS51
+
+// unsigned char __fs2uchar (float x)
+static void dummy(void) __naked
+{
+       __asm
+       .globl  ___fs2uchar
+___fs2uchar:
+       mov     r7, #134
+       lcall   fs2ulong_begin
+       mov     dpl, a
+       ret
+       __endasm;
+}
+
+#else
+
 /* convert float to unsigned char */
-unsigned char __fs2uchar (float f) {
+unsigned char __fs2uchar (float f)
+{
   unsigned long ul=__fs2ulong(f);
   if (ul>=UCHAR_MAX) return UCHAR_MAX;
   return ul;
 }
 
+#endif