The inline asm added in bf5d46d uses the 'y' modifier which is only supported from gcc 4.5. This check allows building with older compilers.
Signed-off-by: Mans Rullgard <[email protected]> --- configure | 3 +++ libavcodec/arm/dca.h | 2 +- 2 files changed, 4 insertions(+), 1 deletions(-) diff --git a/configure b/configure index 32f1a26..22735e7 100755 --- a/configure +++ b/configure @@ -1042,6 +1042,7 @@ HAVE_LIST=" alsa_asoundlib_h altivec_h arpa_inet_h + asm_mod_y attribute_may_alias attribute_packed bswap @@ -2644,6 +2645,8 @@ EOF enabled neon && check_asm neon '"vadd.i16 q0, q0, q0"' enabled vfpv3 && check_asm vfpv3 '"vmov.f32 s0, #1.0"' + check_asm asm_mod_y '"vmul.i32 d0, d0, %y0" :: "x"(0)' + enabled_all armv6t2 shared !pic && enable_pic elif enabled mips; then diff --git a/libavcodec/arm/dca.h b/libavcodec/arm/dca.h index 25c7cd6..e85b82c 100644 --- a/libavcodec/arm/dca.h +++ b/libavcodec/arm/dca.h @@ -63,7 +63,7 @@ static inline int decode_blockcode(int code, int levels, int *values) #endif -#if HAVE_NEON && HAVE_INLINE_ASM +#if HAVE_NEON && HAVE_INLINE_ASM && HAVE_ASM_MOD_Y #define int8x8_fmul_int32 int8x8_fmul_int32 static inline void int8x8_fmul_int32(float *dst, const int8_t *src, int scale) -- 1.7.6.1 _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
