building codec tests!

lib/libmad/fixed.h

@@ -16,7 +16,7 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
- * $Id: fixed.h,v 1.38 2004/02/17 02:02:03 rob Exp $
+ * $Id: fixed.h,v 1.3 2008-02-02 11:37:37 richardash1981 Exp $
  */
 
 # ifndef LIBMAD_FIXED_H
@@ -137,7 +137,7 @@ typedef mad_fixed_t mad_sample_t;
 
 /* --- Intel --------------------------------------------------------------- */
 
-# elif defined(FPM_INTEL)
+# elif defined(FPM_INTEL) || defined (__i386__)
 
 #  if defined(_MSC_VER)
 #   pragma warning(push)
@@ -275,12 +275,25 @@ mad_fixed_t mad_f_mul_inline(mad_fixed_t x, mad_fixed_t y)
 	 : "+r" (lo), "+r" (hi)  \
 	 : "%r" (x), "r" (y))
 
+#ifdef __thumb__
+/* In Thumb-2, the RSB-immediate instruction is only allowed with a zero
+	operand.  If needed this code can also support Thumb-1 
+	(simply append "s" to the end of the second two instructions). */
+#  define MAD_F_MLN(hi, lo)  \
+    asm ("rsbs        %0, %0, #0\n\t"  \
+	 "sbc   %1, %1, %1\n\t"  \
+	 "sub   %1, %1, %2"  \
+	 : "+&r" (lo), "=&r" (hi)  \
+	 : "r" (hi)  \
+	 : "cc")
+#else /* ! __thumb__ */
 #  define MAD_F_MLN(hi, lo)  \
     asm ("rsbs	%0, %2, #0\n\t"  \
 	 "rsc	%1, %3, #0"  \
-	 : "=r" (lo), "=r" (hi)  \
+	 : "=&r" (lo), "=r" (hi)  \
 	 : "0" (lo), "1" (hi)  \
 	 : "cc")
+#endif /* __thumb__ */
 
 #  define mad_f_scale64(hi, lo)  \
     ({ mad_fixed_t __result;  \
@@ -351,7 +364,7 @@ mad_fixed_t mad_f_mul_inline(mad_fixed_t x, mad_fixed_t y)
 
 /* --- PowerPC ------------------------------------------------------------- */
 
-# elif defined(FPM_PPC)
+# elif defined(FPM_PPC) || defined(__ppc__)
 
 /*
  * This PowerPC version is fast and accurate; the disposition of the least