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| author | Mans Rullgard <mans@mansr.com> | 2011-10-02 23:38:32 +0100 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2011-10-03 08:56:24 +0100 |
| commit | 6308729e6885947e04291d5eca7e740fff50fff1 (patch) | |
| tree | 700d3e8678afde29698adfb85a51491d11692133 | |
| parent | 5674d4b0a35a34b75e3533a8580e0b5a0a8895a7 (diff) | |
| download | ffmpeg-6308729e6885947e04291d5eca7e740fff50fff1.tar.gz | |
ARM: check for inline asm 'y' operand modifier support
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 <mans@mansr.com>
| -rwxr-xr-x | configure | 3 | ||||
| -rw-r--r-- | libavcodec/arm/dca.h | 2 |
2 files changed, 4 insertions, 1 deletions
@@ -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 c4c024a36a..38c8d1f9cc 100644 --- a/libavcodec/arm/dca.h +++ b/libavcodec/arm/dca.h @@ -24,7 +24,7 @@ #include <stdint.h> #include "config.h" -#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) |