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authorRong Yan <rongyan236@gmail.com>2014-12-02 07:37:11 +0000
committerMichael Niedermayer <michaelni@gmx.at>2014-12-02 17:13:47 +0100
commitb4d41beebe869210df4b37fb4b872b1518ae06ef (patch)
treec34bff80259a3585493e8846839df95191aca1b1 /libavcodec/ppc
parentd7716961a856e0d6fcd23d82a5cb87c3a8439e4b (diff)
downloadffmpeg-b4d41beebe869210df4b37fb4b872b1518ae06ef.tar.gz
avcodec/ppc/lossless_audiodsp_altivec: POWER LE support for scalarproduct_and_madd_int16_altivec()
adds macro GET_T() Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/ppc')
-rw-r--r--libavcodec/ppc/lossless_audiodsp_altivec.c31
1 files changed, 21 insertions, 10 deletions
diff --git a/libavcodec/ppc/lossless_audiodsp_altivec.c b/libavcodec/ppc/lossless_audiodsp_altivec.c
index 1ebb0f4aa3..bdec25223d 100644
--- a/libavcodec/ppc/lossless_audiodsp_altivec.c
+++ b/libavcodec/ppc/lossless_audiodsp_altivec.c
@@ -29,6 +29,20 @@
#include "libavutil/ppc/types_altivec.h"
#include "libavcodec/lossless_audiodsp.h"
+#if HAVE_BIGENDIAN
+#define GET_T(tt0,tt1,src,a,b){ \
+ a = vec_ld(16, src); \
+ tt0 = vec_perm(b, a, align); \
+ b = vec_ld(32, src); \
+ tt1 = vec_perm(a, b, align); \
+ }
+#else
+#define GET_T(tt0,tt1,src,a,b){ \
+ tt0 = vec_vsx_ld(0, src); \
+ tt1 = vec_vsx_ld(16, src); \
+ }
+#endif
+
#if HAVE_ALTIVEC
static int32_t scalarproduct_and_madd_int16_altivec(int16_t *v1,
const int16_t *v2,
@@ -38,26 +52,23 @@ static int32_t scalarproduct_and_madd_int16_altivec(int16_t *v1,
LOAD_ZERO;
vec_s16 *pv1 = (vec_s16 *) v1;
register vec_s16 muls = { mul, mul, mul, mul, mul, mul, mul, mul };
- register vec_s16 t0, t1, i0, i1, i4;
- register vec_s16 i2 = vec_ld(0, v2), i3 = vec_ld(0, v3);
+ register vec_s16 t0, t1, i0, i1, i4, i2, i3;
register vec_s32 res = zero_s32v;
+#if HAVE_BIGENDIAN
register vec_u8 align = vec_lvsl(0, v2);
+ i2 = vec_ld(0, v2);
+ i3 = vec_ld(0, v3);
+#endif
int32_t ires;
order >>= 4;
do {
- i1 = vec_ld(16, v2);
- t0 = vec_perm(i2, i1, align);
- i2 = vec_ld(32, v2);
- t1 = vec_perm(i1, i2, align);
+ GET_T(t0,t1,v2,i1,i2);
i0 = pv1[0];
i1 = pv1[1];
res = vec_msum(t0, i0, res);
res = vec_msum(t1, i1, res);
- i4 = vec_ld(16, v3);
- t0 = vec_perm(i3, i4, align);
- i3 = vec_ld(32, v3);
- t1 = vec_perm(i4, i3, align);
+ GET_T(t0,t1,v3,i4,i3);
pv1[0] = vec_mladd(t0, muls, i0);
pv1[1] = vec_mladd(t1, muls, i1);
pv1 += 2;