ffmpeg | branch: release/7.1 | Brad Smith <brad-at-comstyle....@ffmpeg.org> | Fri Aug 18 15:32:39 2023 -0400| [ea34bf796251d1108f34b0962a8529fe78586f8d] | committer: Brad Smith
lsws/ppc/yuv2rgb_altivec: Fix build in non-VSX environments with Clang Add a check for the existence of the vec_xl() function. Clang provides the function even with VSX not enabled. (cherry picked from commit 30a8641465f7b7923e92d8724ef6a595fccb9e58) Signed-off-by: Brad Smith <b...@comstyle.com> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=ea34bf796251d1108f34b0962a8529fe78586f8d --- configure | 8 ++++++++ libswscale/ppc/yuv2rgb_altivec.c | 4 ++-- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/configure b/configure index ffa407d53d..eedf066c38 100755 --- a/configure +++ b/configure @@ -2212,6 +2212,7 @@ ARCH_EXT_LIST_PPC=" ldbrx power8 ppc4xx + vec_xl vsx " @@ -2759,6 +2760,7 @@ altivec_deps="ppc" dcbzl_deps="ppc" ldbrx_deps="ppc" ppc4xx_deps="ppc" +vec_xl_deps="altivec" vsx_deps="altivec" power8_deps="vsx" @@ -6389,6 +6391,11 @@ elif enabled ppc; then check_cpp_condition power8 "altivec.h" "defined(_ARCH_PWR8)" fi + if enabled altivec && disabled vsx; then + check_cc vec_xl altivec.h "const unsigned char *y1i = { 0 }; + vector unsigned char y0 = vec_xl(0, y1i);" + fi + elif enabled riscv; then enabled rv && check_inline_asm rv '".option arch, +zbb\nrev8 t0, t1"' @@ -7941,6 +7948,7 @@ if enabled ppc; then echo "POWER8 enabled ${power8-no}" echo "PPC 4xx optimizations ${ppc4xx-no}" echo "dcbzl available ${dcbzl-no}" + echo "vec_xl available ${vec_xl-no}" fi if enabled loongarch; then echo "LSX enabled ${lsx-no}" diff --git a/libswscale/ppc/yuv2rgb_altivec.c b/libswscale/ppc/yuv2rgb_altivec.c index 5e1033a973..8b0a93796f 100644 --- a/libswscale/ppc/yuv2rgb_altivec.c +++ b/libswscale/ppc/yuv2rgb_altivec.c @@ -284,7 +284,7 @@ static inline void cvtyuvtoRGB(SwsContext *c, vector signed short Y, * ------------------------------------------------------------------------------ */ -#if !HAVE_VSX +#if !HAVE_VEC_XL static inline vector unsigned char vec_xl(signed long long offset, const ubyte *addr) { const vector unsigned char *v_addr = (const vector unsigned char *) (addr + offset); @@ -292,7 +292,7 @@ static inline vector unsigned char vec_xl(signed long long offset, const ubyte * return (vector unsigned char) vec_perm(v_addr[0], v_addr[1], align_perm); } -#endif /* !HAVE_VSX */ +#endif /* !HAVE_VEC_XL */ #define DEFCSP420_CVT(name, out_pixels) \ static int altivec_ ## name(SwsContext *c, const unsigned char **in, \ _______________________________________________ ffmpeg-cvslog mailing list ffmpeg-cvslog@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-cvslog To unsubscribe, visit link above, or email ffmpeg-cvslog-requ...@ffmpeg.org with subject "unsubscribe".
