avutil/ppc/float_dsp_init: Disable duplicate functions

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavutil/ppc/float_dsp_init.c

@@ -37,13 +37,16 @@ av_cold void ff_float_dsp_init_ppc(AVFloatDSPContext *fdsp, int bit_exact)
             fdsp->vector_fmul_window = ff_vector_fmul_window_altivec;
         }
     }
+
+    // The disabled function below are near identical to altivec and have
+    // been disabled to reduce code duplication
     if (PPC_VSX(av_get_cpu_flags())) {
-        fdsp->vector_fmul = ff_vector_fmul_vsx;
+//         fdsp->vector_fmul = ff_vector_fmul_vsx;
         fdsp->vector_fmul_add = ff_vector_fmul_add_vsx;
-        fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_vsx;
+//         fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_vsx;
 
-        if (!bit_exact) {
-            fdsp->vector_fmul_window = ff_vector_fmul_window_vsx;
-        }
+//         if (!bit_exact) {
+//             fdsp->vector_fmul_window = ff_vector_fmul_window_vsx;
+//         }
     }
 }