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--- libmad-0.15.1b.orig/fixed.h 2004-02-17 03:02:03.000000000 +0100
+++ libmad-0.15.1b/fixed.h 2013-10-16 10:51:56.000000000 +0200
@@ -275,12 +275,25 @@ mad_fixed_t mad_f_mul_inline(mad_fixed_t
: "+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; \
@@ -297,6 +310,14 @@ mad_fixed_t mad_f_mul_inline(mad_fixed_t
/* --- MIPS ---------------------------------------------------------------- */
+# elif defined(FPM_MIPS) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 4))
+ typedef unsigned int u64_di_t __attribute__ ((mode (DI)));
+# define MAD_F_MLX(hi, lo, x, y) \
+ do { \
+ u64_di_t __ll = (u64_di_t) (x) * (y); \
+ hi = __ll >> 32; \
+ lo = __ll; \
+ } while (0)
# elif defined(FPM_MIPS)
/*
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