X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=device%2Flib%2F_fsget2args.c;h=e46738f72383b56ad3397ccb3803448a2e87d1cb;hb=1efca62b20292a5ee6595f5ccab4337f6b38a374;hp=3a9e9fe42fcc54cca4d610fd9a470d251cd75f60;hpb=081276d8f181c05fed4447d373d11d4940cbec2a;p=fw%2Fsdcc

diff --git a/device/lib/_fsget2args.c b/device/lib/_fsget2args.c
index 3a9e9fe4..e46738f7 100644
--- a/device/lib/_fsget2args.c
+++ b/device/lib/_fsget2args.c
@@ -1,14 +1,34 @@
+/* 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
 
-
-static void dummy(void) _naked
+static void dummy(void) __naked
 {
 	// arg1: passed in a,b,dph,dpl
 	// arg2: passed on stack
-	_asm
+	__asm
 	.globl	fsgetargs
 fsgetargs:
 	// extract the two inputs, placing them into:
@@ -49,83 +69,7 @@ fsgetargs:
 	mov	exp_b, a
 	mov	r7, b
 	ret
-	_endasm;
-}
-
-
-
-
-
-#if 0
-// This old version was designed before the change to make all this
-// code fully reentrant.  What a mess the 2nd parameter turns out to
-// be.
-
-void __fsgetargs (float a, float b)
-{
-	a;	// passed in a,b,dph,dpl
-	b;	// ___fsadd_PARM_2
-
-	_asm
-	// extract the two inputs, placing them into:
-	//      sign     exponent   mantiassa
-	//      ----     --------   ---------
-	//  a:  sign_a   exp_a     r4/r3/r2
-	//  b:  sign_b   exp_b     r7/r6/r5
-	//
-	mov	r2, dpl
-	mov	r3, dph
-	mov	c, b.7
-	rlc	a
-	mov	sign_a, c
-	jz	00001$
-	setb	b.7
-00001$:
-	mov	exp_a, a
-	mov	r4, b
-#ifdef SDCC_MODEL_SMALL
-	mov	r5, (___fsadd_PARM_2 + 0)
-	mov	r6, (___fsadd_PARM_2 + 1)
-	mov	b, (___fsadd_PARM_2 + 2)
-	mov	a, (___fsadd_PARM_2 + 3)
-	mov	c, b.7
-	rlc	a
-	mov	sign_b, c
-	jz	00002$
-	setb	b.7
-00002$:
-	mov	exp_b, a
-	mov	r7, b
-#endif
-	_endasm;
+	__endasm;
 }
 
-
-#ifdef SDCC_MODEL_LARGE
-void __fsgetarglarge2 (void)
-{
-	_asm
-	movx	a, @dptr
-	mov	r5, a
-	inc	dptr
-	movx	a, @dptr
-	mov	r6, a
-	inc	dptr
-	movx	a, @dptr
-	mov	b, a
-	inc	dptr
-	movx	a, @dptr
-	mov	c, b.7
-	rlc	a
-	mov	sign_b, c
-	jz	00002$
-	setb	b.7
-00002$:
-	mov	exp_b, a
-	mov	r7, b
-	_endasm;
-}
 #endif
-
-#endif
-