diff options
Diffstat (limited to 'package/libmad/patches/patch-fixed_h')
-rw-r--r-- | package/libmad/patches/patch-fixed_h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/package/libmad/patches/patch-fixed_h b/package/libmad/patches/patch-fixed_h new file mode 100644 index 000000000..3e6eb292d --- /dev/null +++ b/package/libmad/patches/patch-fixed_h @@ -0,0 +1,44 @@ +--- 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) + + /* |