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diff --git a/fixed.h b/fixed.h
index 4b58abf..1764290 100644
--- a/fixed.h
+++ b/fixed.h
@@ -304,9 +304,10 @@ mad_fixed_t mad_f_mul_inline(mad_fixed_t x, mad_fixed_t y)
* significant bit depends on OPT_ACCURACY via mad_f_scale64().
*/
# define MAD_F_MLX(hi, lo, x, y) \
- asm ("mult %2,%3" \
- : "=l" (lo), "=h" (hi) \
- : "%r" (x), "r" (y))
+ do { \
+ hi = ((long long) x * y) >> 32; \
+ lo = x * y; \
+ } while (0)
# if defined(HAVE_MADD_ASM)
# define MAD_F_MLA(hi, lo, x, y) \
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