diff -up generic/common/ppc/pixel.c.orig generic/common/ppc/pixel.c
--- generic/common/ppc/pixel.c.orig	2023-10-01 16:28:26.000000000 +0200
+++ generic/common/ppc/pixel.c	2024-03-10 22:23:23.415298686 +0100
@@ -855,7 +855,7 @@ static void pixel_sad_x4_16x8_altivec( u
         sum2v = (vec_s32_t) vec_sum4s( vec_absd( fencv, pix2v ), (vec_u32_t) sum2v );
 
 #define PIXEL_SAD_X3_ALTIVEC( name, ly )            \
-static int name( uint8_t *fenc, uint8_t *pix0,      \
+static void name( uint8_t *fenc, uint8_t *pix0,      \
                  uint8_t *pix1, uint8_t *pix2,      \
                  intptr_t i_stride, int scores[3] ) \
 {                                                   \
@@ -965,7 +965,7 @@ static void pixel_sad_x3_16x8_altivec( u
 }
 
 #define PIXEL_SAD_X4_ALTIVEC( name, ly )                                              \
-static int name( uint8_t *fenc,                                                       \
+static void name( uint8_t *fenc,                                                       \
                  uint8_t *pix0, uint8_t *pix1,                                        \
                  uint8_t *pix2, uint8_t *pix3,                                        \
                  intptr_t i_stride, int scores[4] )                                   \