ref: 339f4dcaeef92c503347faacb4f07d55b1c02106
parent: f0b4868625e67f8c4cf6ba917a74404ef7226b1c
author: Kaustubh Raste <kaustubh.raste@imgtec.com>
date: Wed Nov 29 08:27:04 EST 2017
mips msa optimize vpx_scaled_2d function Change-Id: I638507b360c71489ab0e87bd558d2719ad995333
--- a/test/convolve_test.cc
+++ b/test/convolve_test.cc
@@ -1359,7 +1359,7 @@
vpx_convolve8_avg_horiz_msa, vpx_convolve8_vert_msa,
vpx_convolve8_avg_vert_msa, vpx_convolve8_msa, vpx_convolve8_avg_msa,
vpx_scaled_horiz_c, vpx_scaled_avg_horiz_c, vpx_scaled_vert_c,
- vpx_scaled_avg_vert_c, vpx_scaled_2d_c, vpx_scaled_avg_2d_c, 0);
+ vpx_scaled_avg_vert_c, vpx_scaled_2d_msa, vpx_scaled_avg_2d_c, 0);
const ConvolveParam kArrayConvolve8_msa[] = { ALL_SIZES(convolve8_msa) };INSTANTIATE_TEST_CASE_P(MSA, ConvolveTest,
--- a/vpx_dsp/mips/macros_msa.h
+++ b/vpx_dsp/mips/macros_msa.h
@@ -555,6 +555,7 @@
#define VSHF_B2_UB(...) VSHF_B2(v16u8, __VA_ARGS__)
#define VSHF_B2_SB(...) VSHF_B2(v16i8, __VA_ARGS__)
#define VSHF_B2_UH(...) VSHF_B2(v8u16, __VA_ARGS__)
+#define VSHF_B2_SH(...) VSHF_B2(v8i16, __VA_ARGS__)
#define VSHF_B4(RTYPE, in0, in1, mask0, mask1, mask2, mask3, out0, out1, out2, \
out3) \
@@ -1182,6 +1183,7 @@
out1 = (RTYPE)__msa_ilvl_w((v4i32)in0, (v4i32)in1); \
}
#define ILVRL_W2_UB(...) ILVRL_W2(v16u8, __VA_ARGS__)
+#define ILVRL_W2_SB(...) ILVRL_W2(v16i8, __VA_ARGS__)
#define ILVRL_W2_SH(...) ILVRL_W2(v8i16, __VA_ARGS__)
#define ILVRL_W2_SW(...) ILVRL_W2(v4i32, __VA_ARGS__)
@@ -1593,6 +1595,25 @@
\
sign_m = __msa_clti_s_h((v8i16)in, 0); \
out = (v4i32)__msa_ilvr_h(sign_m, (v8i16)in); \
+ }
+
+/* Description : Sign extend byte elements from input vector and return
+ halfword results in pair of vectors
+ Arguments : Input - in (byte vector)
+ Outputs - out0, out1 (sign extended halfword vectors)
+ Return Type - signed halfword
+ Details : Sign bit of byte elements from input vector 'in' is
+ extracted and interleaved right with same vector 'in0' to
+ generate 8 signed halfword elements in 'out0'
+ Then interleaved left with same vector 'in0' to
+ generate 8 signed halfword elements in 'out1'
+*/
+#define UNPCK_SB_SH(in, out0, out1) \
+ { \+ v16i8 tmp_m; \
+ \
+ tmp_m = __msa_clti_s_b((v16i8)in, 0); \
+ ILVRL_B2_SH(tmp_m, in, out0, out1); \
}
/* Description : Zero extend unsigned byte elements to halfword elements
--- a/vpx_dsp/mips/vpx_convolve8_msa.c
+++ b/vpx_dsp/mips/vpx_convolve8_msa.c
@@ -629,3 +629,599 @@
}
}
}
+
+static void filter_horiz_w4_msa(const uint8_t *src_x, ptrdiff_t src_pitch,
+ uint8_t *dst, const int16_t *x_filter) {+ uint64_t srcd0, srcd1, srcd2, srcd3;
+ uint32_t res;
+ v16u8 src0 = { 0 }, src1 = { 0 }, dst0;+ v16i8 out0, out1;
+ v16i8 shf1 = { 0, 8, 16, 24, 4, 12, 20, 28, 1, 9, 17, 25, 5, 13, 21, 29 };+ v16i8 shf2 = shf1 + 2;
+ v16i8 filt_shf0 = { 0, 1, 0, 1, 0, 1, 0, 1, 8, 9, 8, 9, 8, 9, 8, 9 };+ v16i8 filt_shf1 = filt_shf0 + 2;
+ v16i8 filt_shf2 = filt_shf0 + 4;
+ v16i8 filt_shf3 = filt_shf0 + 6;
+ v8i16 filt, src0_h, src1_h, src2_h, src3_h, filt0, filt1, filt2, filt3;
+
+ LD4(src_x, src_pitch, srcd0, srcd1, srcd2, srcd3);
+ INSERT_D2_UB(srcd0, srcd1, src0);
+ INSERT_D2_UB(srcd2, srcd3, src1);
+ VSHF_B2_SB(src0, src1, src0, src1, shf1, shf2, out0, out1);
+ XORI_B2_128_SB(out0, out1);
+ UNPCK_SB_SH(out0, src0_h, src1_h);
+ UNPCK_SB_SH(out1, src2_h, src3_h);
+
+ filt = LD_SH(x_filter);
+ VSHF_B2_SH(filt, filt, filt, filt, filt_shf0, filt_shf1, filt0, filt1);
+ VSHF_B2_SH(filt, filt, filt, filt, filt_shf2, filt_shf3, filt2, filt3);
+
+ src0_h *= filt0;
+ src0_h += src1_h * filt1;
+ src0_h += src2_h * filt2;
+ src0_h += src3_h * filt3;
+
+ src1_h = (v8i16)__msa_sldi_b((v16i8)src0_h, (v16i8)src0_h, 8);
+
+ src0_h = __msa_adds_s_h(src0_h, src1_h);
+ src0_h = __msa_srari_h(src0_h, FILTER_BITS);
+ src0_h = __msa_sat_s_h(src0_h, 7);
+ dst0 = PCKEV_XORI128_UB(src0_h, src0_h);
+ res = __msa_copy_u_w((v4i32)dst0, 0);
+ SW(res, dst);
+}
+
+static void filter_horiz_w8_msa(const uint8_t *src_x, ptrdiff_t src_pitch,
+ uint8_t *dst, const int16_t *x_filter) {+ uint64_t srcd0, srcd1, srcd2, srcd3;
+ v16u8 src0 = { 0 }, src1 = { 0 }, src2 = { 0 }, src3 = { 0 };+ v16u8 tmp0, tmp1, tmp2, tmp3, dst0;
+ v16i8 out0, out1, out2, out3;
+ v16i8 shf1 = { 0, 8, 16, 24, 1, 9, 17, 25, 2, 10, 18, 26, 3, 11, 19, 27 };+ v16i8 shf2 = shf1 + 4;
+ v8i16 filt, src0_h, src1_h, src2_h, src3_h, src4_h, src5_h, src6_h, src7_h;
+ v8i16 filt0, filt1, filt2, filt3, filt4, filt5, filt6, filt7;
+
+ LD4(src_x, src_pitch, srcd0, srcd1, srcd2, srcd3);
+ INSERT_D2_UB(srcd0, srcd1, src0);
+ INSERT_D2_UB(srcd2, srcd3, src1);
+ LD4(src_x + 4 * src_pitch, src_pitch, srcd0, srcd1, srcd2, srcd3);
+ INSERT_D2_UB(srcd0, srcd1, src2);
+ INSERT_D2_UB(srcd2, srcd3, src3);
+
+ filt = LD_SH(x_filter);
+ SPLATI_H4_SH(filt, 0, 1, 2, 3, filt0, filt1, filt2, filt3);
+ SPLATI_H4_SH(filt, 4, 5, 6, 7, filt4, filt5, filt6, filt7);
+
+ // transpose
+ VSHF_B2_UB(src0, src1, src0, src1, shf1, shf2, tmp0, tmp1);
+ VSHF_B2_UB(src2, src3, src2, src3, shf1, shf2, tmp2, tmp3);
+ ILVRL_W2_SB(tmp2, tmp0, out0, out1);
+ ILVRL_W2_SB(tmp3, tmp1, out2, out3);
+
+ XORI_B4_128_SB(out0, out1, out2, out3);
+ UNPCK_SB_SH(out0, src0_h, src1_h);
+ UNPCK_SB_SH(out1, src2_h, src3_h);
+ UNPCK_SB_SH(out2, src4_h, src5_h);
+ UNPCK_SB_SH(out3, src6_h, src7_h);
+
+ src0_h *= filt0;
+ src4_h *= filt4;
+ src0_h += src1_h * filt1;
+ src4_h += src5_h * filt5;
+ src0_h += src2_h * filt2;
+ src4_h += src6_h * filt6;
+ src0_h += src3_h * filt3;
+ src4_h += src7_h * filt7;
+
+ src0_h = __msa_adds_s_h(src0_h, src4_h);
+ src0_h = __msa_srari_h(src0_h, FILTER_BITS);
+ src0_h = __msa_sat_s_h(src0_h, 7);
+ dst0 = PCKEV_XORI128_UB(src0_h, src0_h);
+ ST8x1_UB(dst0, dst);
+}
+
+static void filter_horiz_w16_msa(const uint8_t *src_x, ptrdiff_t src_pitch,
+ uint8_t *dst, const int16_t *x_filter) {+ uint64_t srcd0, srcd1, srcd2, srcd3;
+ v16u8 src0 = { 0 }, src1 = { 0 }, src2 = { 0 }, src3 = { 0 };+ v16u8 src4 = { 0 }, src5 = { 0 }, src6 = { 0 }, src7 = { 0 };+ v16u8 tmp0, tmp1, tmp2, tmp3, dst0;
+ v16i8 out0, out1, out2, out3, out4, out5, out6, out7;
+ v16i8 shf1 = { 0, 8, 16, 24, 1, 9, 17, 25, 2, 10, 18, 26, 3, 11, 19, 27 };+ v16i8 shf2 = shf1 + 4;
+ v8i16 filt, src0_h, src1_h, src2_h, src3_h, src4_h, src5_h, src6_h, src7_h;
+ v8i16 filt0, filt1, filt2, filt3, filt4, filt5, filt6, filt7;
+ v8i16 dst0_h, dst1_h, dst2_h, dst3_h;
+
+ LD4(src_x, src_pitch, srcd0, srcd1, srcd2, srcd3);
+ INSERT_D2_UB(srcd0, srcd1, src0);
+ INSERT_D2_UB(srcd2, srcd3, src1);
+ LD4(src_x + 4 * src_pitch, src_pitch, srcd0, srcd1, srcd2, srcd3);
+ INSERT_D2_UB(srcd0, srcd1, src2);
+ INSERT_D2_UB(srcd2, srcd3, src3);
+ LD4(src_x + 8 * src_pitch, src_pitch, srcd0, srcd1, srcd2, srcd3);
+ INSERT_D2_UB(srcd0, srcd1, src4);
+ INSERT_D2_UB(srcd2, srcd3, src5);
+ LD4(src_x + 12 * src_pitch, src_pitch, srcd0, srcd1, srcd2, srcd3);
+ INSERT_D2_UB(srcd0, srcd1, src6);
+ INSERT_D2_UB(srcd2, srcd3, src7);
+
+ filt = LD_SH(x_filter);
+ SPLATI_H4_SH(filt, 0, 1, 2, 3, filt0, filt1, filt2, filt3);
+ SPLATI_H4_SH(filt, 4, 5, 6, 7, filt4, filt5, filt6, filt7);
+
+ // transpose
+ VSHF_B2_UB(src0, src1, src0, src1, shf1, shf2, tmp0, tmp1);
+ VSHF_B2_UB(src2, src3, src2, src3, shf1, shf2, tmp2, tmp3);
+ ILVRL_W2_SB(tmp2, tmp0, out0, out1);
+ ILVRL_W2_SB(tmp3, tmp1, out2, out3);
+ XORI_B4_128_SB(out0, out1, out2, out3);
+
+ UNPCK_SB_SH(out0, src0_h, src1_h);
+ UNPCK_SB_SH(out1, src2_h, src3_h);
+ UNPCK_SB_SH(out2, src4_h, src5_h);
+ UNPCK_SB_SH(out3, src6_h, src7_h);
+
+ VSHF_B2_UB(src4, src5, src4, src5, shf1, shf2, tmp0, tmp1);
+ VSHF_B2_UB(src6, src7, src6, src7, shf1, shf2, tmp2, tmp3);
+ ILVRL_W2_SB(tmp2, tmp0, out4, out5);
+ ILVRL_W2_SB(tmp3, tmp1, out6, out7);
+ XORI_B4_128_SB(out4, out5, out6, out7);
+
+ dst0_h = src0_h * filt0;
+ dst1_h = src4_h * filt4;
+ dst0_h += src1_h * filt1;
+ dst1_h += src5_h * filt5;
+ dst0_h += src2_h * filt2;
+ dst1_h += src6_h * filt6;
+ dst0_h += src3_h * filt3;
+ dst1_h += src7_h * filt7;
+
+ UNPCK_SB_SH(out4, src0_h, src1_h);
+ UNPCK_SB_SH(out5, src2_h, src3_h);
+ UNPCK_SB_SH(out6, src4_h, src5_h);
+ UNPCK_SB_SH(out7, src6_h, src7_h);
+
+ dst2_h = src0_h * filt0;
+ dst3_h = src4_h * filt4;
+ dst2_h += src1_h * filt1;
+ dst3_h += src5_h * filt5;
+ dst2_h += src2_h * filt2;
+ dst3_h += src6_h * filt6;
+ dst2_h += src3_h * filt3;
+ dst3_h += src7_h * filt7;
+
+ ADDS_SH2_SH(dst0_h, dst1_h, dst2_h, dst3_h, dst0_h, dst2_h);
+ SRARI_H2_SH(dst0_h, dst2_h, FILTER_BITS);
+ SAT_SH2_SH(dst0_h, dst2_h, 7);
+ dst0 = PCKEV_XORI128_UB(dst0_h, dst2_h);
+ ST_UB(dst0, dst);
+}
+
+static void transpose4x4_to_dst(const uint8_t *src, uint8_t *dst,
+ ptrdiff_t dst_stride) {+ v16u8 in0;
+ v16i8 out0 = { 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15 };+
+ in0 = LD_UB(src);
+ out0 = __msa_vshf_b(out0, (v16i8)in0, (v16i8)in0);
+ ST4x4_UB(out0, out0, 0, 1, 2, 3, dst, dst_stride);
+}
+
+static void transpose8x8_to_dst(const uint8_t *src, uint8_t *dst,
+ ptrdiff_t dst_stride) {+ v16u8 in0, in1, in2, in3, out0, out1, out2, out3, tmp0, tmp1, tmp2, tmp3;
+ v16i8 shf1 = { 0, 8, 16, 24, 1, 9, 17, 25, 2, 10, 18, 26, 3, 11, 19, 27 };+ v16i8 shf2 = shf1 + 4;
+
+ LD_UB4(src, 16, in0, in1, in2, in3);
+ VSHF_B2_UB(in0, in1, in0, in1, shf1, shf2, tmp0, tmp1);
+ VSHF_B2_UB(in2, in3, in2, in3, shf1, shf2, tmp2, tmp3);
+ ILVRL_W2_UB(tmp2, tmp0, out0, out1);
+ ILVRL_W2_UB(tmp3, tmp1, out2, out3);
+ ST8x4_UB(out0, out1, dst, dst_stride);
+ ST8x4_UB(out2, out3, dst + 4 * dst_stride, dst_stride);
+}
+
+static void transpose16x16_to_dst(const uint8_t *src, uint8_t *dst,
+ ptrdiff_t dst_stride) {+ v16u8 in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, in10, in11, in12;
+ v16u8 in13, in14, in15, out0, out1, out2, out3, out4, out5, out6, out7, out8;
+ v16u8 out9, out10, out11, out12, out13, out14, out15;
+
+ LD_UB8(src, 16, in0, in1, in2, in3, in4, in5, in6, in7);
+ LD_UB8(src + 16 * 8, 16, in8, in9, in10, in11, in12, in13, in14, in15);
+
+ TRANSPOSE16x8_UB_UB(in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, in10,
+ in11, in12, in13, in14, in15, out0, out1, out2, out3,
+ out4, out5, out6, out7);
+ ST_UB8(out0, out1, out2, out3, out4, out5, out6, out7, dst, dst_stride);
+ dst += 8 * dst_stride;
+
+ SLDI_B4_0_UB(in0, in1, in2, in3, in0, in1, in2, in3, 8);
+ SLDI_B4_0_UB(in4, in5, in6, in7, in4, in5, in6, in7, 8);
+ SLDI_B4_0_UB(in8, in9, in10, in11, in8, in9, in10, in11, 8);
+ SLDI_B4_0_UB(in12, in13, in14, in15, in12, in13, in14, in15, 8);
+
+ TRANSPOSE16x8_UB_UB(in0, in1, in2, in3, in4, in5, in6, in7, in8, in9, in10,
+ in11, in12, in13, in14, in15, out8, out9, out10, out11,
+ out12, out13, out14, out15);
+ ST_UB8(out8, out9, out10, out11, out12, out13, out14, out15, dst, dst_stride);
+}
+
+static void scaledconvolve_horiz_w4(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *x_filters, int x0_q4,
+ int x_step_q4, int h) {+ DECLARE_ALIGNED(16, uint8_t, temp[4 * 4]);
+ int y, z, i;
+ src -= SUBPEL_TAPS / 2 - 1;
+
+ for (y = 0; y < h; y += 4) {+ int x_q4 = x0_q4;
+ for (z = 0; z < 4; ++z) {+ const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
+ const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
+
+ if (x_q4 & SUBPEL_MASK) {+ filter_horiz_w4_msa(src_x, src_stride, temp + (z * 4), x_filter);
+ } else {+ for (i = 0; i < 4; ++i) {+ temp[z * 4 + i] = src_x[i * src_stride + 3];
+ }
+ }
+
+ x_q4 += x_step_q4;
+ }
+
+ transpose4x4_to_dst(temp, dst, dst_stride);
+
+ src += src_stride * 4;
+ dst += dst_stride * 4;
+ }
+}
+
+static void scaledconvolve_horiz_w8(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *x_filters, int x0_q4,
+ int x_step_q4, int h) {+ DECLARE_ALIGNED(16, uint8_t, temp[8 * 8]);
+ int y, z, i;
+ src -= SUBPEL_TAPS / 2 - 1;
+
+ // This function processes 8x8 areas. The intermediate height is not always
+ // a multiple of 8, so force it to be a multiple of 8 here.
+ y = h + (8 - (h & 0x7));
+
+ do {+ int x_q4 = x0_q4;
+ for (z = 0; z < 8; ++z) {+ const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
+ const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
+
+ if (x_q4 & SUBPEL_MASK) {+ filter_horiz_w8_msa(src_x, src_stride, temp + (z * 8), x_filter);
+ } else {+ for (i = 0; i < 8; ++i) {+ temp[z * 8 + i] = src_x[3 + i * src_stride];
+ }
+ }
+
+ x_q4 += x_step_q4;
+ }
+
+ transpose8x8_to_dst(temp, dst, dst_stride);
+
+ src += src_stride * 8;
+ dst += dst_stride * 8;
+ } while (y -= 8);
+}
+
+static void scaledconvolve_horiz_mul16(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *x_filters, int x0_q4,
+ int x_step_q4, int w, int h) {+ DECLARE_ALIGNED(16, uint8_t, temp[16 * 16]);
+ int x, y, z, i;
+
+ src -= SUBPEL_TAPS / 2 - 1;
+
+ // This function processes 16x16 areas. The intermediate height is not always
+ // a multiple of 16, so force it to be a multiple of 8 here.
+ y = h + (16 - (h & 0xF));
+
+ do {+ int x_q4 = x0_q4;
+ for (x = 0; x < w; x += 16) {+ for (z = 0; z < 16; ++z) {+ const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
+ const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
+
+ if (x_q4 & SUBPEL_MASK) {+ filter_horiz_w16_msa(src_x, src_stride, temp + (z * 16), x_filter);
+ } else {+ for (i = 0; i < 16; ++i) {+ temp[z * 16 + i] = src_x[3 + i * src_stride];
+ }
+ }
+
+ x_q4 += x_step_q4;
+ }
+
+ transpose16x16_to_dst(temp, dst + x, dst_stride);
+ }
+
+ src += src_stride * 16;
+ dst += dst_stride * 16;
+ } while (y -= 16);
+}
+
+static void filter_vert_w4_msa(const uint8_t *src_y, ptrdiff_t src_pitch,
+ uint8_t *dst, const int16_t *y_filter) {+ uint32_t srcw0, srcw1, srcw2, srcw3, srcw4, srcw5, srcw6, srcw7;
+ uint32_t res;
+ v16u8 src0 = { 0 }, src1 = { 0 }, dst0;+ v16i8 out0, out1;
+ v16i8 shf1 = { 0, 1, 2, 3, 16, 17, 18, 19, 4, 5, 6, 7, 20, 21, 22, 23 };+ v16i8 shf2 = shf1 + 8;
+ v16i8 filt_shf0 = { 0, 1, 0, 1, 0, 1, 0, 1, 8, 9, 8, 9, 8, 9, 8, 9 };+ v16i8 filt_shf1 = filt_shf0 + 2;
+ v16i8 filt_shf2 = filt_shf0 + 4;
+ v16i8 filt_shf3 = filt_shf0 + 6;
+ v8i16 filt, src0_h, src1_h, src2_h, src3_h;
+ v8i16 filt0, filt1, filt2, filt3;
+
+ LW4(src_y, src_pitch, srcw0, srcw1, srcw2, srcw3);
+ LW4(src_y + 4 * src_pitch, src_pitch, srcw4, srcw5, srcw6, srcw7);
+ INSERT_W4_UB(srcw0, srcw1, srcw2, srcw3, src0);
+ INSERT_W4_UB(srcw4, srcw5, srcw6, srcw7, src1);
+ VSHF_B2_SB(src0, src1, src0, src1, shf1, shf2, out0, out1);
+ XORI_B2_128_SB(out0, out1);
+ UNPCK_SB_SH(out0, src0_h, src1_h);
+ UNPCK_SB_SH(out1, src2_h, src3_h);
+
+ filt = LD_SH(y_filter);
+ VSHF_B2_SH(filt, filt, filt, filt, filt_shf0, filt_shf1, filt0, filt1);
+ VSHF_B2_SH(filt, filt, filt, filt, filt_shf2, filt_shf3, filt2, filt3);
+
+ src0_h *= filt0;
+ src0_h += src1_h * filt1;
+ src0_h += src2_h * filt2;
+ src0_h += src3_h * filt3;
+
+ src1_h = (v8i16)__msa_sldi_b((v16i8)src0_h, (v16i8)src0_h, 8);
+
+ src0_h = __msa_adds_s_h(src0_h, src1_h);
+ src0_h = __msa_srari_h(src0_h, FILTER_BITS);
+ src0_h = __msa_sat_s_h(src0_h, 7);
+ dst0 = PCKEV_XORI128_UB(src0_h, src0_h);
+ res = __msa_copy_u_w((v4i32)dst0, 0);
+ SW(res, dst);
+}
+
+static void filter_vert_w8_msa(const uint8_t *src_y, ptrdiff_t src_pitch,
+ uint8_t *dst, const int16_t *y_filter) {+ uint64_t srcd0, srcd1, srcd2, srcd3;
+ v16u8 dst0;
+ v16i8 src0 = { 0 }, src1 = { 0 }, src2 = { 0 }, src3 = { 0 };+ v8i16 filt, src0_h, src1_h, src2_h, src3_h, src4_h, src5_h, src6_h, src7_h;
+ v8i16 filt0, filt1, filt2, filt3, filt4, filt5, filt6, filt7;
+
+ LD4(src_y, src_pitch, srcd0, srcd1, srcd2, srcd3);
+ INSERT_D2_SB(srcd0, srcd1, src0);
+ INSERT_D2_SB(srcd2, srcd3, src1);
+ LD4(src_y + 4 * src_pitch, src_pitch, srcd0, srcd1, srcd2, srcd3);
+ INSERT_D2_SB(srcd0, srcd1, src2);
+ INSERT_D2_SB(srcd2, srcd3, src3);
+
+ filt = LD_SH(y_filter);
+ SPLATI_H4_SH(filt, 0, 1, 2, 3, filt0, filt1, filt2, filt3);
+ SPLATI_H4_SH(filt, 4, 5, 6, 7, filt4, filt5, filt6, filt7);
+
+ XORI_B4_128_SB(src0, src1, src2, src3);
+ UNPCK_SB_SH(src0, src0_h, src1_h);
+ UNPCK_SB_SH(src1, src2_h, src3_h);
+ UNPCK_SB_SH(src2, src4_h, src5_h);
+ UNPCK_SB_SH(src3, src6_h, src7_h);
+
+ src0_h *= filt0;
+ src4_h *= filt4;
+ src0_h += src1_h * filt1;
+ src4_h += src5_h * filt5;
+ src0_h += src2_h * filt2;
+ src4_h += src6_h * filt6;
+ src0_h += src3_h * filt3;
+ src4_h += src7_h * filt7;
+
+ src0_h = __msa_adds_s_h(src0_h, src4_h);
+ src0_h = __msa_srari_h(src0_h, FILTER_BITS);
+ src0_h = __msa_sat_s_h(src0_h, 7);
+ dst0 = PCKEV_XORI128_UB(src0_h, src0_h);
+ ST8x1_UB(dst0, dst);
+}
+
+static void filter_vert_mul_w16_msa(const uint8_t *src_y, ptrdiff_t src_pitch,
+ uint8_t *dst, const int16_t *y_filter,
+ int w) {+ int x;
+ v16u8 dst0;
+ v16i8 src0, src1, src2, src3, src4, src5, src6, src7;
+ v8i16 filt, src0_h, src1_h, src2_h, src3_h, src4_h, src5_h, src6_h, src7_h;
+ v8i16 src8_h, src9_h, src10_h, src11_h, src12_h, src13_h, src14_h, src15_h;
+ v8i16 filt0, filt1, filt2, filt3, filt4, filt5, filt6, filt7;
+
+ filt = LD_SH(y_filter);
+ SPLATI_H4_SH(filt, 0, 1, 2, 3, filt0, filt1, filt2, filt3);
+ SPLATI_H4_SH(filt, 4, 5, 6, 7, filt4, filt5, filt6, filt7);
+
+ for (x = 0; x < w; x += 16) {+ LD_SB8(src_y, src_pitch, src0, src1, src2, src3, src4, src5, src6, src7);
+ src_y += 16;
+
+ XORI_B4_128_SB(src0, src1, src2, src3);
+ XORI_B4_128_SB(src4, src5, src6, src7);
+ UNPCK_SB_SH(src0, src0_h, src1_h);
+ UNPCK_SB_SH(src1, src2_h, src3_h);
+ UNPCK_SB_SH(src2, src4_h, src5_h);
+ UNPCK_SB_SH(src3, src6_h, src7_h);
+ UNPCK_SB_SH(src4, src8_h, src9_h);
+ UNPCK_SB_SH(src5, src10_h, src11_h);
+ UNPCK_SB_SH(src6, src12_h, src13_h);
+ UNPCK_SB_SH(src7, src14_h, src15_h);
+
+ src0_h *= filt0;
+ src1_h *= filt0;
+ src8_h *= filt4;
+ src9_h *= filt4;
+ src0_h += src2_h * filt1;
+ src1_h += src3_h * filt1;
+ src8_h += src10_h * filt5;
+ src9_h += src11_h * filt5;
+ src0_h += src4_h * filt2;
+ src1_h += src5_h * filt2;
+ src8_h += src12_h * filt6;
+ src9_h += src13_h * filt6;
+ src0_h += src6_h * filt3;
+ src1_h += src7_h * filt3;
+ src8_h += src14_h * filt7;
+ src9_h += src15_h * filt7;
+
+ ADDS_SH2_SH(src0_h, src8_h, src1_h, src9_h, src0_h, src1_h);
+ SRARI_H2_SH(src0_h, src1_h, FILTER_BITS);
+ SAT_SH2_SH(src0_h, src1_h, 7);
+ dst0 = PCKEV_XORI128_UB(src0_h, src1_h);
+ ST_UB(dst0, dst);
+ dst += 16;
+ }
+}
+
+static void scaledconvolve_vert_w4(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *y_filters, int y0_q4,
+ int y_step_q4, int h) {+ int y;
+ int y_q4 = y0_q4;
+
+ src -= src_stride * (SUBPEL_TAPS / 2 - 1);
+
+ for (y = 0; y < h; ++y) {+ const uint8_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
+ const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
+
+ if (y_q4 & SUBPEL_MASK) {+ filter_vert_w4_msa(src_y, src_stride, &dst[y * dst_stride], y_filter);
+ } else {+ uint32_t srcd = LW(src_y + 3 * src_stride);
+ SW(srcd, dst + y * dst_stride);
+ }
+
+ y_q4 += y_step_q4;
+ }
+}
+
+static void scaledconvolve_vert_w8(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *y_filters, int y0_q4,
+ int y_step_q4, int h) {+ int y;
+ int y_q4 = y0_q4;
+
+ src -= src_stride * (SUBPEL_TAPS / 2 - 1);
+
+ for (y = 0; y < h; ++y) {+ const uint8_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
+ const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
+
+ if (y_q4 & SUBPEL_MASK) {+ filter_vert_w8_msa(src_y, src_stride, &dst[y * dst_stride], y_filter);
+ } else {+ uint64_t srcd = LD(src_y + 3 * src_stride);
+ SD(srcd, dst + y * dst_stride);
+ }
+
+ y_q4 += y_step_q4;
+ }
+}
+
+static void scaledconvolve_vert_mul16(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *y_filters, int y0_q4,
+ int y_step_q4, int w, int h) {+ int x, y;
+ int y_q4 = y0_q4;
+ src -= src_stride * (SUBPEL_TAPS / 2 - 1);
+
+ for (y = 0; y < h; ++y) {+ const uint8_t *src_y = &src[(y_q4 >> SUBPEL_BITS) * src_stride];
+ const int16_t *const y_filter = y_filters[y_q4 & SUBPEL_MASK];
+
+ if (y_q4 & SUBPEL_MASK) {+ filter_vert_mul_w16_msa(src_y, src_stride, &dst[y * dst_stride], y_filter,
+ w);
+ } else {+ for (x = 0; x < w; ++x) {+ dst[x + y * dst_stride] = src_y[x + 3 * src_stride];
+ }
+ }
+
+ y_q4 += y_step_q4;
+ }
+}
+
+void vpx_scaled_2d_msa(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
+ ptrdiff_t dst_stride, const InterpKernel *filter,
+ int x0_q4, int x_step_q4, int y0_q4, int y_step_q4,
+ int w, int h) {+ // Note: Fixed size intermediate buffer, temp, places limits on parameters.
+ // 2d filtering proceeds in 2 steps:
+ // (1) Interpolate horizontally into an intermediate buffer, temp.
+ // (2) Interpolate temp vertically to derive the sub-pixel result.
+ // Deriving the maximum number of rows in the temp buffer (135):
+ // --Smallest scaling factor is x1/2 ==> y_step_q4 = 32 (Normative).
+ // --Largest block size is 64x64 pixels.
+ // --64 rows in the downscaled frame span a distance of (64 - 1) * 32 in the
+ // original frame (in 1/16th pixel units).
+ // --Must round-up because block may be located at sub-pixel position.
+ // --Require an additional SUBPEL_TAPS rows for the 8-tap filter tails.
+ // --((64 - 1) * 32 + 15) >> 4 + 8 = 135.
+ // --Require an additional 8 rows for the horiz_w8 transpose tail.
+ DECLARE_ALIGNED(16, uint8_t, temp[(135 + 8) * 64]);
+ const int intermediate_height =
+ (((h - 1) * y_step_q4 + y0_q4) >> SUBPEL_BITS) + SUBPEL_TAPS;
+
+ assert(w <= 64);
+ assert(h <= 64);
+ assert(y_step_q4 <= 32 || (y_step_q4 <= 64 && h <= 32));
+ assert(x_step_q4 <= 64);
+
+ if ((0 == x0_q4) && (16 == x_step_q4) && (0 == y0_q4) && (16 == y_step_q4)) {+ vpx_convolve_copy_msa(src, src_stride, dst, dst_stride, filter, x0_q4,
+ x_step_q4, y0_q4, y_step_q4, w, h);
+ } else {+ if (w >= 16) {+ scaledconvolve_horiz_mul16(src - src_stride * (SUBPEL_TAPS / 2 - 1),
+ src_stride, temp, 64, filter, x0_q4, x_step_q4,
+ w, intermediate_height);
+ } else if (w == 8) {+ scaledconvolve_horiz_w8(src - src_stride * (SUBPEL_TAPS / 2 - 1),
+ src_stride, temp, 64, filter, x0_q4, x_step_q4,
+ intermediate_height);
+ } else {+ scaledconvolve_horiz_w4(src - src_stride * (SUBPEL_TAPS / 2 - 1),
+ src_stride, temp, 64, filter, x0_q4, x_step_q4,
+ intermediate_height);
+ }
+
+ if (w >= 16) {+ scaledconvolve_vert_mul16(temp + 64 * (SUBPEL_TAPS / 2 - 1), 64, dst,
+ dst_stride, filter, y0_q4, y_step_q4, w, h);
+ } else if (w == 8) {+ scaledconvolve_vert_w8(temp + 64 * (SUBPEL_TAPS / 2 - 1), 64, dst,
+ dst_stride, filter, y0_q4, y_step_q4, h);
+ } else {+ scaledconvolve_vert_w4(temp + 64 * (SUBPEL_TAPS / 2 - 1), 64, dst,
+ dst_stride, filter, y0_q4, y_step_q4, h);
+ }
+ }
+}
--- a/vpx_dsp/vpx_dsp_rtcd_defs.pl
+++ b/vpx_dsp/vpx_dsp_rtcd_defs.pl
@@ -374,7 +374,7 @@
specialize qw/vpx_convolve8_avg_vert sse2 ssse3 avx2 neon dspr2 msa vsx/;
add_proto qw/void vpx_scaled_2d/, "const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, ptrdiff_t dst_stride, const InterpKernel *filter, int x0_q4, int x_step_q4, int y0_q4, int y_step_q4, int w, int h";
-specialize qw/vpx_scaled_2d ssse3 neon/;
+specialize qw/vpx_scaled_2d ssse3 neon msa/;
add_proto qw/void vpx_scaled_horiz/, "const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, ptrdiff_t dst_stride, const InterpKernel *filter, int x0_q4, int x_step_q4, int y0_q4, int y_step_q4, int w, int h";