* Makefile.in, configure.in, configure,

[fw/sdcc] / device / lib / _sint2fs.c

diff --git a/device/lib/_sint2fs.c b/device/lib/_sint2fs.c
index 39bddfd318d560b397e6038fd360ed0ad0b576a3..7458bb012e60f470f10942fd30ef9dd2b6238093 100644 (file)
--- a/device/lib/_sint2fs.c
+++ b/device/lib/_sint2fs.c
@@ -1,7 +1,48 @@
-#include <_float.h>
+/* 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
+
+// float long __sint2fs (float x)
+static void dummy(void) __naked
+{
+       __asm
+       .globl  ___sint2fs
+___sint2fs:
+       mov     r4, dph
+       mov     r3, dpl
+       mov     r2, #0
+       mov     r1, #0
+       mov     a, #142
+       ljmp    slong2fs_doit
+       __endasm;
+}
+
+#else
 
 /* convert signed int to float */
 float __sint2fs (signed int si) {
-  signed long sl=si;
-  return __slong2fs(sl);
+  return __slong2fs(si);
 }
+
+#endif