ffmpeg | branch: master | Andreas Rheinhardt <[email protected]> | Thu Mar 28 05:54:43 2024 +0100| [72f4f1dafbddb266b53695e4c8b5e2df4927c1ba] | committer: Andreas Rheinhardt
swscale/ppc/swscale_altivec: Fix build with -O0 In this case GCC does not treat a const variable initialized to the compile-time constant "3" as a compile-time constant and errors out because the argument is not a literal value. Signed-off-by: Andreas Rheinhardt <[email protected]> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=72f4f1dafbddb266b53695e4c8b5e2df4927c1ba --- libswscale/ppc/swscale_altivec.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/libswscale/ppc/swscale_altivec.c b/libswscale/ppc/swscale_altivec.c index 1630355f51..8e35e0372f 100644 --- a/libswscale/ppc/swscale_altivec.c +++ b/libswscale/ppc/swscale_altivec.c @@ -107,6 +107,8 @@ #endif /* HAVE_BIGENDIAN */ +#define SHIFT 3 + #define output_pixel(pos, val, bias, signedness) \ if (big_endian) { \ AV_WB16(pos, bias + av_clip_ ## signedness ## 16(val >> shift)); \ @@ -149,12 +151,11 @@ yuv2plane1_float_bswap_u(const int32_t *src, uint32_t *dest, int dstW, int start static void yuv2plane1_float_altivec(const int32_t *src, float *dest, int dstW) { const int dst_u = -(uintptr_t)dest & 3; - const int shift = 3; - const int add = (1 << (shift - 1)); + const int add = (1 << (SHIFT - 1)); const int clip = (1 << 16) - 1; const float fmult = 1.0f / 65535.0f; const vec_u32 vadd = (vec_u32) {add, add, add, add}; - const vec_u32 vshift = (vec_u32) vec_splat_u32(shift); + const vec_u32 vshift = (vec_u32) vec_splat_u32(SHIFT); const vec_u32 vlargest = (vec_u32) {clip, clip, clip, clip}; const vec_f vmul = (vec_f) {fmult, fmult, fmult, fmult}; const vec_f vzero = (vec_f) {0, 0, 0, 0}; @@ -182,12 +183,11 @@ static void yuv2plane1_float_altivec(const int32_t *src, float *dest, int dstW) static void yuv2plane1_float_bswap_altivec(const int32_t *src, uint32_t *dest, int dstW) { const int dst_u = -(uintptr_t)dest & 3; - const int shift = 3; - const int add = (1 << (shift - 1)); + const int add = (1 << (SHIFT - 1)); const int clip = (1 << 16) - 1; const float fmult = 1.0f / 65535.0f; const vec_u32 vadd = (vec_u32) {add, add, add, add}; - const vec_u32 vshift = (vec_u32) vec_splat_u32(shift); + const vec_u32 vshift = (vec_u32) vec_splat_u32(SHIFT); const vec_u32 vlargest = (vec_u32) {clip, clip, clip, clip}; const vec_f vmul = (vec_f) {fmult, fmult, fmult, fmult}; const vec_f vzero = (vec_f) {0, 0, 0, 0}; _______________________________________________ ffmpeg-cvslog mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
