- --- a/fixed.h
- +++ b/fixed.h
- @@ -299,6 +299,23 @@ mad_fixed_t mad_f_mul_inline(mad_fixed_t
-
- # elif defined(FPM_MIPS)
-
- +/* Test for gcc >= maj.min, as per __GNUC_PREREQ in glibc */
- +#if defined (__GNUC__) && defined (__GNUC_MINOR__)
- +#define __GNUC_PREREQ(maj, min) \
- + ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
- +#else
- +#define __GNUC_PREREQ(maj, min) 0
- +#endif
- +
- +#if __GNUC_PREREQ(4,4)
- + 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)
- +#else
- /*
- * This MIPS version is fast and accurate; the disposition of the least
- * significant bit depends on OPT_ACCURACY via mad_f_scale64().
- @@ -328,6 +345,7 @@ mad_fixed_t mad_f_mul_inline(mad_fixed_t
- : "%r" ((x) >> 12), "r" ((y) >> 16))
- # define MAD_F_MLZ(hi, lo) ((mad_fixed_t) (lo))
- # endif
- +#endif /* __GNU_PREREQ(4,4) */
-
- # if defined(OPT_SPEED)
- # define mad_f_scale64(hi, lo) \
- --- a/mad.h
- +++ b/mad.h
- @@ -344,6 +344,23 @@ mad_fixed_t mad_f_mul_inline(mad_fixed_t
-
- # elif defined(FPM_MIPS)
-
- +/* Test for gcc >= maj.min, as per __GNUC_PREREQ in glibc */
- +#if defined (__GNUC__) && defined (__GNUC_MINOR__)
- +#define __GNUC_PREREQ(maj, min) \
- + ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
- +#else
- +#define __GNUC_PREREQ(maj, min) 0
- +#endif
- +
- +#if __GNUC_PREREQ(4,4)
- + 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)
- +#else
- /*
- * This MIPS version is fast and accurate; the disposition of the least
- * significant bit depends on OPT_ACCURACY via mad_f_scale64().
- @@ -373,6 +390,7 @@ mad_fixed_t mad_f_mul_inline(mad_fixed_t
- : "%r" ((x) >> 12), "r" ((y) >> 16))
- # define MAD_F_MLZ(hi, lo) ((mad_fixed_t) (lo))
- # endif
- +#endif /* __GNU_PREREQ(4,4) */
-
- # if defined(OPT_SPEED)
- # define mad_f_scale64(hi, lo) \
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