From 4013fcf4afa5790bc2f5f2b36101123576cd2b69 Mon Sep 17 00:00:00 2001 From: Fabrice Bellard Date: Wed, 8 Jan 2003 18:47:49 +0000 Subject: altivec patches by Romain Dolbeau Originally committed as revision 1423 to svn://svn.ffmpeg.org/ffmpeg/trunk --- libavcodec/ppc/dsputil_altivec.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) (limited to 'libavcodec/ppc/dsputil_altivec.h') diff --git a/libavcodec/ppc/dsputil_altivec.h b/libavcodec/ppc/dsputil_altivec.h index d4d259d9ed..cef29b8806 100644 --- a/libavcodec/ppc/dsputil_altivec.h +++ b/libavcodec/ppc/dsputil_altivec.h @@ -23,8 +23,37 @@ extern int pix_abs16x16_xy2_altivec(uint8_t *pix1, uint8_t *pix2, int line_size) extern int pix_abs16x16_altivec(uint8_t *pix1, uint8_t *pix2, int line_size); extern int pix_abs8x8_altivec(uint8_t *pix1, uint8_t *pix2, int line_size); extern int pix_norm1_altivec(uint8_t *pix, int line_size); +extern int sse8_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size); +extern int sse16_altivec(void *v, uint8_t *pix1, uint8_t *pix2, int line_size); extern int pix_sum_altivec(UINT8 * pix, int line_size); extern void diff_pixels_altivec(DCTELEM* block, const UINT8* s1, const UINT8* s2, int stride); extern void get_pixels_altivec(DCTELEM* block, const UINT8 * pixels, int line_size); extern int has_altivec(void); + + + +// used to build registers permutation vectors (vcprm) +// the 's' are for words in the _s_econd vector +#define WORD_0 0x00,0x01,0x02,0x03 +#define WORD_1 0x04,0x05,0x06,0x07 +#define WORD_2 0x08,0x09,0x0a,0x0b +#define WORD_3 0x0c,0x0d,0x0e,0x0f +#define WORD_s0 0x10,0x11,0x12,0x13 +#define WORD_s1 0x14,0x15,0x16,0x17 +#define WORD_s2 0x18,0x19,0x1a,0x1b +#define WORD_s3 0x1c,0x1d,0x1e,0x1f + +#define vcprm(a,b,c,d) (const vector unsigned char)(WORD_ ## a, WORD_ ## b, WORD_ ## c, WORD_ ## d) + +// vcprmle is used to keep the same index as in the SSE version. +// it's the same as vcprm, with the index inversed +// ('le' is Little Endian) +#define vcprmle(a,b,c,d) vcprm(d,c,b,a) + +// used to build inverse/identity vectors (vcii) +// n is _n_egative, p is _p_ositive +#define FLOAT_n -1. +#define FLOAT_p 1. + +#define vcii(a,b,c,d) (const vector float)(FLOAT_ ## a, FLOAT_ ## b, FLOAT_ ## c, FLOAT_ ## d) -- cgit v1.2.3