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Merge commit '42d324694883cdf1fff1612ac70fa403692a1ad4'

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* commit '42d324694883cdf1fff1612ac70fa403692a1ad4':
  floatdsp: move vector_fmul_reverse from dsputil to avfloatdsp.

Conflicts:
	libavcodec/arm/dsputil_init_vfp.c
	libavcodec/arm/dsputil_vfp.S
	libavcodec/dsputil.c
	libavcodec/ppc/float_altivec.c
	libavcodec/x86/dsputil.asm
	libavutil/x86/float_dsp.asm

Merged-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer
2013-01-23 14:04:50 +01:00
parent b1b870fbd7 42d3246948
commit 6e6e170898
32 changed files with 233 additions and 312 deletions
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libavutil/ppc/float_dsp_altivec.c
+29
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@@ -93,3 +93,32 @@ void ff_vector_fmul_add_altivec(float *dst, const float *src0,
vec_st(t0, 0, dst + i);
}
}
void ff_vector_fmul_reverse_altivec(float *dst, const float *src0,
const float *src1, int len)
{
int i;
vector float d, s0, s1, h0, l0,
s2, s3, zero = (vector float) vec_splat_u32(0);
src1 += len-4;
for(i = 0; i < len - 7; i += 8) {
s1 = vec_ld(0, src1 - i); // [a,b,c,d]
s0 = vec_ld(0, src0 + i);
l0 = vec_mergel(s1, s1); // [c,c,d,d]
s3 = vec_ld(-16, src1 - i);
h0 = vec_mergeh(s1, s1); // [a,a,b,b]
s2 = vec_ld(16, src0 + i);
s1 = vec_mergeh(vec_mergel(l0, h0), // [d,b,d,b]
vec_mergeh(l0, h0)); // [c,a,c,a]
// [d,c,b,a]
l0 = vec_mergel(s3, s3);
d = vec_madd(s0, s1, zero);
h0 = vec_mergeh(s3, s3);
vec_st(d, 0, dst + i);
s3 = vec_mergeh(vec_mergel(l0, h0),
vec_mergeh(l0, h0));
d = vec_madd(s2, s3, zero);
vec_st(d, 16, dst + i);
}
}