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Add some rudimentary support for sparc64

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Originally committed as revision 1279 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Philip Gladstone 2002-11-26 04:29:40 +00:00
parent b55e4ef43d
commit 35fedfc349
2 changed files with 15 additions and 0 deletions
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3
configure vendored
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@ -485,6 +485,9 @@ elif test "$cpu" = "armv4l" ; then
elif test "$cpu" = "alpha" ; then
echo "TARGET_ARCH_ALPHA=yes" >> config.mak
echo "#define ARCH_ALPHA 1" >> $TMPH
elif test "$cpu" = "sparc64" ; then
echo "TARGET_ARCH_SPARC64=yes" >> config.mak
echo "#define ARCH_SPARC64 1" >> $TMPH
elif test "$cpu" = "powerpc" ; then
echo "TARGET_ARCH_POWERPC=yes" >> config.mak
echo "#define ARCH_POWERPC 1" >> $TMPH

12
libavcodec/common.h
View File

@ -248,6 +248,10 @@ typedef struct RL_VLC_ELEM {
uint8_t run;
} RL_VLC_ELEM;
#ifdef ARCH_SPARC64
#define UNALIGNED_STORES_ARE_BAD
#endif
/* used to avoid missaligned exceptions on some archs (alpha, ...) */
#ifdef ARCH_X86
# define unaligned32(a) (*(UINT32*)(a))
@ -294,6 +298,14 @@ static inline void put_bits(PutBitContext *s, int n, unsigned int value)
} else {
bit_buf<<=bit_left;
bit_buf |= value >> (n - bit_left);
#ifdef UNALIGNED_STORES_ARE_BAD
if (3 & (int) s->buf_ptr) {
s->buf_ptr[0] = bit_buf >> 24;
s->buf_ptr[1] = bit_buf >> 16;
s->buf_ptr[2] = bit_buf >> 8;
s->buf_ptr[3] = bit_buf ;
} else
#endif
*(UINT32 *)s->buf_ptr = be2me_32(bit_buf);
//printf("bitbuf = %08x\n", bit_buf);
s->buf_ptr+=4;