[x265] [PATCH] replace sad_32 vector class function with intrinsic
dnyaneshwar at multicorewareinc.com
dnyaneshwar at multicorewareinc.com
Thu Oct 3 16:12:45 CEST 2013
# HG changeset patch
# User Dnyaneshwar
# Date 1380809515 -19800
# Thu Oct 03 19:41:55 2013 +0530
# Node ID 76d82811cd42e019fb8e23e99804a240f6382c44
# Parent 4f68ed1126b6f0b0f24e9959ee3c3e5ade65c822
replace sad_32 vector class function with intrinsic.
diff -r 4f68ed1126b6 -r 76d82811cd42 source/common/vec/pixel8.inc
--- a/source/common/vec/pixel8.inc Tue Oct 01 13:46:27 2013 +0530
+++ b/source/common/vec/pixel8.inc Thu Oct 03 19:41:55 2013 +0530
@@ -1175,52 +1175,456 @@
return horizontal_add(sum);
}
-template<int size>
-ALWAYSINLINE void unrollFunc_32(pixel *fenc, intptr_t fencstride, pixel *fref, intptr_t frefstride, Vec8us& sad)
-{
- unrollFunc_32<1>(fenc, fencstride, fref, frefstride, sad);
- unrollFunc_32<size - 1>(fenc + fencstride, fencstride, fref + frefstride, frefstride, sad);
+#if INSTRSET >= X265_CPU_LEVEL_SSE41
+
+template<int ly>
+int sad_32(pixel * fenc, intptr_t fencstride, pixel * fref, intptr_t frefstride)
+{
+ assert((ly % 4) == 0);
+
+ __m128i sum0 = _mm_setzero_si128();
+ __m128i sum1 = _mm_setzero_si128();
+
+ if (ly == 4)
+ {
+ __m128i T00, T01, T02, T03;
+ __m128i T10, T11, T12, T13;
+ __m128i T20, T21, T22, T23;
+
+ T00 = _mm_load_si128((__m128i*)(fenc));
+ T01 = _mm_load_si128((__m128i*)(fenc + fencstride));
+ T02 = _mm_load_si128((__m128i*)(fenc + (2) * fencstride));
+ T03 = _mm_load_si128((__m128i*)(fenc + (3) * fencstride));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref));
+ T11 = _mm_loadu_si128((__m128i*)(fref + frefstride));
+ T12 = _mm_loadu_si128((__m128i*)(fref + (2) * frefstride));
+ T13 = _mm_loadu_si128((__m128i*)(fref + (3) * frefstride));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ T20 = _mm_add_epi16(T20, T21);
+ T22 = _mm_add_epi16(T22, T23);
+ sum0 = _mm_add_epi16(T20, T22);
+
+ T00 = _mm_load_si128((__m128i*)(fenc + 16));
+ T01 = _mm_load_si128((__m128i*)(fenc + fencstride + 16));
+ T02 = _mm_load_si128((__m128i*)(fenc + ((2) * fencstride) + 16));
+ T03 = _mm_load_si128((__m128i*)(fenc + ((3) * fencstride) + 16));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + 16));
+ T11 = _mm_loadu_si128((__m128i*)(fref + frefstride + 16));
+ T12 = _mm_loadu_si128((__m128i*)(fref + ((2) * frefstride) + 16));
+ T13 = _mm_loadu_si128((__m128i*)(fref + ((3) * frefstride) + 16));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi32(sum0, T20);
+ sum0 = _mm_add_epi32(sum0, T21);
+ sum0 = _mm_add_epi32(sum0, T22);
+ sum0 = _mm_add_epi32(sum0, T23);
+ }
+ else if (ly == 8)
+ {
+ __m128i T00, T01, T02, T03;
+ __m128i T10, T11, T12, T13;
+ __m128i T20, T21, T22, T23;
+
+ T00 = _mm_load_si128((__m128i*)(fenc));
+ T01 = _mm_load_si128((__m128i*)(fenc + fencstride));
+ T02 = _mm_load_si128((__m128i*)(fenc + (2) * fencstride));
+ T03 = _mm_load_si128((__m128i*)(fenc + (3) * fencstride));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref));
+ T11 = _mm_loadu_si128((__m128i*)(fref + frefstride));
+ T12 = _mm_loadu_si128((__m128i*)(fref + (2) * frefstride));
+ T13 = _mm_loadu_si128((__m128i*)(fref + (3) * frefstride));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ T20 = _mm_add_epi16(T20, T21);
+ T22 = _mm_add_epi16(T22, T23);
+ sum0 = _mm_add_epi16(T20, T22);
+
+ T00 = _mm_load_si128((__m128i*)(fenc + 16));
+ T01 = _mm_load_si128((__m128i*)(fenc + fencstride + 16));
+ T02 = _mm_load_si128((__m128i*)(fenc + ((2) * fencstride) + 16));
+ T03 = _mm_load_si128((__m128i*)(fenc + ((3) * fencstride) + 16));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + 16));
+ T11 = _mm_loadu_si128((__m128i*)(fref + frefstride + 16));
+ T12 = _mm_loadu_si128((__m128i*)(fref + ((2) * frefstride) + 16));
+ T13 = _mm_loadu_si128((__m128i*)(fref + ((3) * frefstride) + 16));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi32(sum0, T20);
+ sum0 = _mm_add_epi32(sum0, T21);
+ sum0 = _mm_add_epi32(sum0, T22);
+ sum0 = _mm_add_epi32(sum0, T23);
+
+ T00 = _mm_load_si128((__m128i*)(fenc + (4) * fencstride));
+ T01 = _mm_load_si128((__m128i*)(fenc + (5) * fencstride));
+ T02 = _mm_load_si128((__m128i*)(fenc + (6) * fencstride));
+ T03 = _mm_load_si128((__m128i*)(fenc + (7) * fencstride));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + (4) * frefstride));
+ T11 = _mm_loadu_si128((__m128i*)(fref + (5) * frefstride));
+ T12 = _mm_loadu_si128((__m128i*)(fref + (6) * frefstride));
+ T13 = _mm_loadu_si128((__m128i*)(fref + (7) * frefstride));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi32(sum0, T20);
+ sum0 = _mm_add_epi32(sum0, T21);
+ sum0 = _mm_add_epi32(sum0, T22);
+ sum0 = _mm_add_epi32(sum0, T23);
+
+ T00 = _mm_load_si128((__m128i*)(fenc + ((4) * fencstride) + 16));
+ T01 = _mm_load_si128((__m128i*)(fenc + ((5) * fencstride) + 16));
+ T02 = _mm_load_si128((__m128i*)(fenc + ((6) * fencstride) + 16));
+ T03 = _mm_load_si128((__m128i*)(fenc + ((7) * fencstride) + 16));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + ((4) * frefstride) + 16));
+ T11 = _mm_loadu_si128((__m128i*)(fref + ((5) * frefstride) + 16));
+ T12 = _mm_loadu_si128((__m128i*)(fref + ((6) * frefstride) + 16));
+ T13 = _mm_loadu_si128((__m128i*)(fref + ((7) * frefstride) + 16));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi32(sum0, T20);
+ sum0 = _mm_add_epi32(sum0, T21);
+ sum0 = _mm_add_epi32(sum0, T22);
+ sum0 = _mm_add_epi32(sum0, T23);
+ }
+ else if (ly == 16)
+ {
+ __m128i T00, T01, T02, T03;
+ __m128i T10, T11, T12, T13;
+ __m128i T20, T21, T22, T23;
+
+ T00 = _mm_load_si128((__m128i*)(fenc));
+ T01 = _mm_load_si128((__m128i*)(fenc + fencstride));
+ T02 = _mm_load_si128((__m128i*)(fenc + (2) * fencstride));
+ T03 = _mm_load_si128((__m128i*)(fenc + (3) * fencstride));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref));
+ T11 = _mm_loadu_si128((__m128i*)(fref + frefstride));
+ T12 = _mm_loadu_si128((__m128i*)(fref + (2) * frefstride));
+ T13 = _mm_loadu_si128((__m128i*)(fref + (3) * frefstride));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ T20 = _mm_add_epi16(T20, T21);
+ T22 = _mm_add_epi16(T22, T23);
+ sum0 = _mm_add_epi16(T20, T22);
+
+ T00 = _mm_load_si128((__m128i*)(fenc + 16));
+ T01 = _mm_load_si128((__m128i*)(fenc + fencstride + 16));
+ T02 = _mm_load_si128((__m128i*)(fenc + ((2) * fencstride) + 16));
+ T03 = _mm_load_si128((__m128i*)(fenc + ((3) * fencstride) + 16));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + 16));
+ T11 = _mm_loadu_si128((__m128i*)(fref + frefstride + 16));
+ T12 = _mm_loadu_si128((__m128i*)(fref + ((2) * frefstride) + 16));
+ T13 = _mm_loadu_si128((__m128i*)(fref + ((3) * frefstride) + 16));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi32(sum0, T20);
+ sum0 = _mm_add_epi32(sum0, T21);
+ sum0 = _mm_add_epi32(sum0, T22);
+ sum0 = _mm_add_epi32(sum0, T23);
+
+ T00 = _mm_load_si128((__m128i*)(fenc + (4) * fencstride));
+ T01 = _mm_load_si128((__m128i*)(fenc + (5) * fencstride));
+ T02 = _mm_load_si128((__m128i*)(fenc + (6) * fencstride));
+ T03 = _mm_load_si128((__m128i*)(fenc + (7) * fencstride));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + (4) * frefstride));
+ T11 = _mm_loadu_si128((__m128i*)(fref + (5) * frefstride));
+ T12 = _mm_loadu_si128((__m128i*)(fref + (6) * frefstride));
+ T13 = _mm_loadu_si128((__m128i*)(fref + (7) * frefstride));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi32(sum0, T20);
+ sum0 = _mm_add_epi32(sum0, T21);
+ sum0 = _mm_add_epi32(sum0, T22);
+ sum0 = _mm_add_epi32(sum0, T23);
+
+ T00 = _mm_load_si128((__m128i*)(fenc + ((4) * fencstride) + 16));
+ T01 = _mm_load_si128((__m128i*)(fenc + ((5) * fencstride) + 16));
+ T02 = _mm_load_si128((__m128i*)(fenc + ((6) * fencstride) + 16));
+ T03 = _mm_load_si128((__m128i*)(fenc + ((7) * fencstride) + 16));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + ((4) * frefstride) + 16));
+ T11 = _mm_loadu_si128((__m128i*)(fref + ((5) * frefstride) + 16));
+ T12 = _mm_loadu_si128((__m128i*)(fref + ((6) * frefstride) + 16));
+ T13 = _mm_loadu_si128((__m128i*)(fref + ((7) * frefstride) + 16));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi32(sum0, T20);
+ sum0 = _mm_add_epi32(sum0, T21);
+ sum0 = _mm_add_epi32(sum0, T22);
+ sum0 = _mm_add_epi32(sum0, T23);
+
+ T00 = _mm_load_si128((__m128i*)(fenc + (8) * fencstride));
+ T01 = _mm_load_si128((__m128i*)(fenc + (9) * fencstride));
+ T02 = _mm_load_si128((__m128i*)(fenc + (10) * fencstride));
+ T03 = _mm_load_si128((__m128i*)(fenc + (11) * fencstride));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + (8) * frefstride));
+ T11 = _mm_loadu_si128((__m128i*)(fref + (9) * frefstride));
+ T12 = _mm_loadu_si128((__m128i*)(fref + (10) * frefstride));
+ T13 = _mm_loadu_si128((__m128i*)(fref + (11) * frefstride));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi32(sum0, T20);
+ sum0 = _mm_add_epi32(sum0, T21);
+ sum0 = _mm_add_epi32(sum0, T22);
+ sum0 = _mm_add_epi32(sum0, T23);
+
+ T00 = _mm_load_si128((__m128i*)(fenc + ((8) * fencstride) + 16));
+ T01 = _mm_load_si128((__m128i*)(fenc + ((9) * fencstride) + 16));
+ T02 = _mm_load_si128((__m128i*)(fenc + ((10) * fencstride) + 16));
+ T03 = _mm_load_si128((__m128i*)(fenc + ((11) * fencstride) + 16));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + ((8) * frefstride) + 16));
+ T11 = _mm_loadu_si128((__m128i*)(fref + ((9) * frefstride) + 16));
+ T12 = _mm_loadu_si128((__m128i*)(fref + ((10) * frefstride) + 16));
+ T13 = _mm_loadu_si128((__m128i*)(fref + ((11) * frefstride) + 16));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi16(sum0, T20);
+ sum0 = _mm_add_epi16(sum0, T21);
+ sum0 = _mm_add_epi16(sum0, T22);
+ sum0 = _mm_add_epi16(sum0, T23);
+ T00 = _mm_load_si128((__m128i*)(fenc + (12) * fencstride));
+ T01 = _mm_load_si128((__m128i*)(fenc + (13) * fencstride));
+ T02 = _mm_load_si128((__m128i*)(fenc + (14) * fencstride));
+ T03 = _mm_load_si128((__m128i*)(fenc + (15) * fencstride));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + (12) * frefstride));
+ T11 = _mm_loadu_si128((__m128i*)(fref + (13) * frefstride));
+ T12 = _mm_loadu_si128((__m128i*)(fref + (14) * frefstride));
+ T13 = _mm_loadu_si128((__m128i*)(fref + (15) * frefstride));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi32(sum0, T20);
+ sum0 = _mm_add_epi32(sum0, T21);
+ sum0 = _mm_add_epi32(sum0, T22);
+ sum0 = _mm_add_epi32(sum0, T23);
+
+ T00 = _mm_load_si128((__m128i*)(fenc + ((12) * fencstride) + 16));
+ T01 = _mm_load_si128((__m128i*)(fenc + ((13) * fencstride) + 16));
+ T02 = _mm_load_si128((__m128i*)(fenc + ((14) * fencstride) + 16));
+ T03 = _mm_load_si128((__m128i*)(fenc + ((15) * fencstride) + 16));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + ((12) * frefstride) + 16));
+ T11 = _mm_loadu_si128((__m128i*)(fref + ((13) * frefstride) + 16));
+ T12 = _mm_loadu_si128((__m128i*)(fref + ((14) * frefstride) + 16));
+ T13 = _mm_loadu_si128((__m128i*)(fref + ((15) * frefstride) + 16));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi32(sum0, T20);
+ sum0 = _mm_add_epi32(sum0, T21);
+ sum0 = _mm_add_epi32(sum0, T22);
+ sum0 = _mm_add_epi32(sum0, T23);
+ }
+ else if ((ly % 8) == 0)
+ {
+ for (int i = 0; i < ly; i += 8)
+ {
+ __m128i T00, T01, T02, T03;
+ __m128i T10, T11, T12, T13;
+ __m128i T20, T21, T22, T23;
+
+ T00 = _mm_load_si128((__m128i*)(fenc + (i) * fencstride));
+ T01 = _mm_load_si128((__m128i*)(fenc + (i + 1) * fencstride));
+ T02 = _mm_load_si128((__m128i*)(fenc + (i + 2) * fencstride));
+ T03 = _mm_load_si128((__m128i*)(fenc + (i + 3) * fencstride));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + (i) * frefstride));
+ T11 = _mm_loadu_si128((__m128i*)(fref + (i + 1) * frefstride));
+ T12 = _mm_loadu_si128((__m128i*)(fref + (i + 2) * frefstride));
+ T13 = _mm_loadu_si128((__m128i*)(fref + (i + 3) * frefstride));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi32(sum0, T20);
+ sum0 = _mm_add_epi32(sum0, T21);
+ sum0 = _mm_add_epi32(sum0, T22);
+ sum0 = _mm_add_epi32(sum0, T23);
+
+ T00 = _mm_load_si128((__m128i*)(fenc + ((i) * fencstride) + 16));
+ T01 = _mm_load_si128((__m128i*)(fenc + ((i + 1) * fencstride) + 16));
+ T02 = _mm_load_si128((__m128i*)(fenc + ((i + 2) * fencstride) + 16));
+ T03 = _mm_load_si128((__m128i*)(fenc + ((i + 3) * fencstride) + 16));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + ((i) * frefstride) + 16));
+ T11 = _mm_loadu_si128((__m128i*)(fref + ((i + 1) * frefstride) + 16));
+ T12 = _mm_loadu_si128((__m128i*)(fref + ((i + 2) * frefstride) + 16));
+ T13 = _mm_loadu_si128((__m128i*)(fref + ((i + 3) * frefstride) + 16));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi32(sum0, T20);
+ sum0 = _mm_add_epi32(sum0, T21);
+ sum0 = _mm_add_epi32(sum0, T22);
+ sum0 = _mm_add_epi32(sum0, T23);
+
+ T00 = _mm_load_si128((__m128i*)(fenc + (i + 4) * fencstride));
+ T01 = _mm_load_si128((__m128i*)(fenc + (i + 5) * fencstride));
+ T02 = _mm_load_si128((__m128i*)(fenc + (i + 6) * fencstride));
+ T03 = _mm_load_si128((__m128i*)(fenc + (i + 7) * fencstride));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + (i + 4) * frefstride));
+ T11 = _mm_loadu_si128((__m128i*)(fref + (i + 5) * frefstride));
+ T12 = _mm_loadu_si128((__m128i*)(fref + (i + 6) * frefstride));
+ T13 = _mm_loadu_si128((__m128i*)(fref + (i + 7) * frefstride));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi32(sum0, T20);
+ sum0 = _mm_add_epi32(sum0, T21);
+ sum0 = _mm_add_epi32(sum0, T22);
+ sum0 = _mm_add_epi32(sum0, T23);
+
+ T00 = _mm_load_si128((__m128i*)(fenc + ((i + 4) * fencstride) + 16));
+ T01 = _mm_load_si128((__m128i*)(fenc + ((i + 5) * fencstride) + 16));
+ T02 = _mm_load_si128((__m128i*)(fenc + ((i + 6) * fencstride) + 16));
+ T03 = _mm_load_si128((__m128i*)(fenc + ((i + 7) * fencstride) + 16));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + ((i + 4) * frefstride) + 16));
+ T11 = _mm_loadu_si128((__m128i*)(fref + ((i + 5) * frefstride) + 16));
+ T12 = _mm_loadu_si128((__m128i*)(fref + ((i + 6) * frefstride) + 16));
+ T13 = _mm_loadu_si128((__m128i*)(fref + ((i + 7) * frefstride) + 16));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi32(sum0, T20);
+ sum0 = _mm_add_epi32(sum0, T21);
+ sum0 = _mm_add_epi32(sum0, T22);
+ sum0 = _mm_add_epi32(sum0, T23);
+ }
+ }
+ else if ((ly % 4) == 0)
+ {
+ for (int i = 0; i < ly; i += 4)
+ {
+ __m128i T00, T01, T02, T03;
+ __m128i T10, T11, T12, T13;
+ __m128i T20, T21, T22, T23;
+
+ T00 = _mm_load_si128((__m128i*)(fenc + (i) * fencstride));
+ T01 = _mm_load_si128((__m128i*)(fenc + (i + 1) * fencstride));
+ T02 = _mm_load_si128((__m128i*)(fenc + (i + 2) * fencstride));
+ T03 = _mm_load_si128((__m128i*)(fenc + (i + 3) * fencstride));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + (i) * frefstride));
+ T11 = _mm_loadu_si128((__m128i*)(fref + (i + 1) * frefstride));
+ T12 = _mm_loadu_si128((__m128i*)(fref + (i + 2) * frefstride));
+ T13 = _mm_loadu_si128((__m128i*)(fref + (i + 3) * frefstride));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi32(sum0, T20);
+ sum0 = _mm_add_epi32(sum0, T21);
+ sum0 = _mm_add_epi32(sum0, T22);
+ sum0 = _mm_add_epi32(sum0, T23);
+
+ T00 = _mm_load_si128((__m128i*)(fenc + ((i) * fencstride) + 16));
+ T01 = _mm_load_si128((__m128i*)(fenc + ((i + 1) * fencstride) + 16));
+ T02 = _mm_load_si128((__m128i*)(fenc + ((i + 2) * fencstride) + 16));
+ T03 = _mm_load_si128((__m128i*)(fenc + ((i + 3) * fencstride) + 16));
+
+ T10 = _mm_loadu_si128((__m128i*)(fref + ((i + 0) * frefstride) + 16));
+ T11 = _mm_loadu_si128((__m128i*)(fref + ((i + 1) * frefstride) + 16));
+ T12 = _mm_loadu_si128((__m128i*)(fref + ((i + 2) * frefstride) + 16));
+ T13 = _mm_loadu_si128((__m128i*)(fref + ((i + 3) * frefstride) + 16));
+
+ T20 = _mm_sad_epu8(T00, T10);
+ T21 = _mm_sad_epu8(T01, T11);
+ T22 = _mm_sad_epu8(T02, T12);
+ T23 = _mm_sad_epu8(T03, T13);
+
+ sum0 = _mm_add_epi32(sum0, T20);
+ sum0 = _mm_add_epi32(sum0, T21);
+ sum0 = _mm_add_epi32(sum0, T22);
+ sum0 = _mm_add_epi32(sum0, T23);
+ }
+ }
+
+ sum1 = _mm_shuffle_epi32(sum0, 2);
+ sum0 = _mm_add_epi32(sum0, sum1);
+
+ return _mm_cvtsi128_si32(sum0);
}
-template<>
-ALWAYSINLINE void unrollFunc_32<1>(pixel *fenc, intptr_t, pixel *fref, intptr_t, Vec8us& sad)
-{
- Vec16uc m1, n1;
-
- m1.load_a(fenc);
- n1.load(fref);
- sad.addSumAbsDiff(m1, n1);
-
- m1.load_a(fenc + 16);
- n1.load(fref + 16);
- sad.addSumAbsDiff(m1, n1);
-}
-
-template<int ly>
-int sad_32(pixel * fenc, intptr_t fencstride, pixel * fref, intptr_t frefstride)
-{
- Vec4i sum(0);
- Vec8us sad;
- int max_iterators = (ly >> 2) << 2;
- int row;
- if (ly == 4)
- {
- sad = 0;
- unrollFunc_32<4>(fenc, fencstride, fref, frefstride, sad);
- sum += extend_low(sad) + extend_high(sad);
- return horizontal_add(sum);
- }
- for (row = 0; row < max_iterators; row += 4)
- {
- sad = 0;
- unrollFunc_32<4>(fenc, fencstride, fref, frefstride, sad);
- sum += extend_low(sad) + extend_high(sad);
- fenc += fencstride * 4;
- fref += frefstride * 4;
- }
-
- return horizontal_add(sum);
-}
+#endif /* if INSTRSET >= X265_CPU_LEVEL_SSE41 */
template<int size>
ALWAYSINLINE void unrollFunc_48(pixel *fenc, intptr_t fencstride, pixel *fref, intptr_t frefstride, Vec8us *sad)
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