ref: 25d9adb74b3a6fd44786ecb2ea6b963dec0a6783
parent: 7b9984b38618d94e91f377634adf458b07a58f02
author: gxw <guxiwei-hf@loongson.cn>
date: Thu Jan 25 04:38:28 EST 2018
vp9: [loongson] optimize vpx_convolve8 with mmi. 1. vpx_convolve8_vert_mmi 2. vpx_convolve8_horiz_mmi 3. vpx_convolve8_mmi 4. vpx_convolve8_avg_mmi 5. vpx_convolve8_avg_vert_mmi Change-Id: I41a6b3b4f327d6b67d282e0163cfa0aee8648abe
--- a/test/convolve_test.cc
+++ b/test/convolve_test.cc
@@ -1379,4 +1379,16 @@
INSTANTIATE_TEST_CASE_P(VSX, ConvolveTest,
::testing::ValuesIn(kArrayConvolve_vsx));
#endif // HAVE_VSX
+
+#if HAVE_MMI
+const ConvolveFunctions convolve8_mmi(
+ vpx_convolve_copy_c, vpx_convolve_avg_c, vpx_convolve8_horiz_mmi,
+ vpx_convolve8_avg_horiz_c, vpx_convolve8_vert_mmi,
+ vpx_convolve8_avg_vert_mmi, vpx_convolve8_mmi, vpx_convolve8_avg_mmi,
+ 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);
+const ConvolveParam kArrayConvolve_mmi[] = { ALL_SIZES(convolve8_mmi) };+INSTANTIATE_TEST_CASE_P(MMI, ConvolveTest,
+ ::testing::ValuesIn(kArrayConvolve_mmi));
+#endif // HAVE_MMI
} // namespace
--- /dev/null
+++ b/vpx_dsp/mips/vpx_convolve8_mmi.c
@@ -1,0 +1,587 @@
+/*
+ * Copyright (c) 2018 The WebM project authors. All Rights Reserved.
+ *
+ * Use of this source code is governed by a BSD-style license
+ * that can be found in the LICENSE file in the root of the source
+ * tree. An additional intellectual property rights grant can be found
+ * in the file PATENTS. All contributing project authors may
+ * be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <assert.h>
+#include <string.h>
+
+#include "./vpx_config.h"
+#include "./vpx_dsp_rtcd.h"
+#include "vpx/vpx_integer.h"
+#include "vpx_dsp/vpx_dsp_common.h"
+#include "vpx_dsp/vpx_filter.h"
+#include "vpx_ports/asmdefs_mmi.h"
+#include "vpx_ports/mem.h"
+
+#define GET_DATA_H_MMI \
+ "pmaddhw %[ftmp4], %[ftmp4], %[filter1] \n\t" \
+ "pmaddhw %[ftmp5], %[ftmp5], %[filter2] \n\t" \
+ "paddw %[ftmp4], %[ftmp4], %[ftmp5] \n\t" \
+ "punpckhwd %[ftmp5], %[ftmp4], %[ftmp0] \n\t" \
+ "paddw %[ftmp4], %[ftmp4], %[ftmp5] \n\t" \
+ "pmaddhw %[ftmp6], %[ftmp6], %[filter1] \n\t" \
+ "pmaddhw %[ftmp7], %[ftmp7], %[filter2] \n\t" \
+ "paddw %[ftmp6], %[ftmp6], %[ftmp7] \n\t" \
+ "punpckhwd %[ftmp7], %[ftmp6], %[ftmp0] \n\t" \
+ "paddw %[ftmp6], %[ftmp6], %[ftmp7] \n\t" \
+ "punpcklwd %[srcl], %[ftmp4], %[ftmp6] \n\t" \
+ "pmaddhw %[ftmp8], %[ftmp8], %[filter1] \n\t" \
+ "pmaddhw %[ftmp9], %[ftmp9], %[filter2] \n\t" \
+ "paddw %[ftmp8], %[ftmp8], %[ftmp9] \n\t" \
+ "punpckhwd %[ftmp9], %[ftmp8], %[ftmp0] \n\t" \
+ "paddw %[ftmp8], %[ftmp8], %[ftmp9] \n\t" \
+ "pmaddhw %[ftmp10], %[ftmp10], %[filter1] \n\t" \
+ "pmaddhw %[ftmp11], %[ftmp11], %[filter2] \n\t" \
+ "paddw %[ftmp10], %[ftmp10], %[ftmp11] \n\t" \
+ "punpckhwd %[ftmp11], %[ftmp10], %[ftmp0] \n\t" \
+ "paddw %[ftmp10], %[ftmp10], %[ftmp11] \n\t" \
+ "punpcklwd %[srch], %[ftmp8], %[ftmp10] \n\t"
+
+#define GET_DATA_V_MMI \
+ "punpcklhw %[srcl], %[ftmp4], %[ftmp5] \n\t" \
+ "pmaddhw %[srcl], %[srcl], %[filter10] \n\t" \
+ "punpcklhw %[ftmp12], %[ftmp6], %[ftmp7] \n\t" \
+ "pmaddhw %[ftmp12], %[ftmp12], %[filter32] \n\t" \
+ "paddw %[srcl], %[srcl], %[ftmp12] \n\t" \
+ "punpcklhw %[ftmp12], %[ftmp8], %[ftmp9] \n\t" \
+ "pmaddhw %[ftmp12], %[ftmp12], %[filter54] \n\t" \
+ "paddw %[srcl], %[srcl], %[ftmp12] \n\t" \
+ "punpcklhw %[ftmp12], %[ftmp10], %[ftmp11] \n\t" \
+ "pmaddhw %[ftmp12], %[ftmp12], %[filter76] \n\t" \
+ "paddw %[srcl], %[srcl], %[ftmp12] \n\t" \
+ "punpckhhw %[srch], %[ftmp4], %[ftmp5] \n\t" \
+ "pmaddhw %[srch], %[srch], %[filter10] \n\t" \
+ "punpckhhw %[ftmp12], %[ftmp6], %[ftmp7] \n\t" \
+ "pmaddhw %[ftmp12], %[ftmp12], %[filter32] \n\t" \
+ "paddw %[srch], %[srch], %[ftmp12] \n\t" \
+ "punpckhhw %[ftmp12], %[ftmp8], %[ftmp9] \n\t" \
+ "pmaddhw %[ftmp12], %[ftmp12], %[filter54] \n\t" \
+ "paddw %[srch], %[srch], %[ftmp12] \n\t" \
+ "punpckhhw %[ftmp12], %[ftmp10], %[ftmp11] \n\t" \
+ "pmaddhw %[ftmp12], %[ftmp12], %[filter76] \n\t" \
+ "paddw %[srch], %[srch], %[ftmp12] \n\t"
+
+/* clang-format off */
+#define ROUND_POWER_OF_TWO_MMI \
+ /* Add para[0] */ \
+ "lw %[tmp0], 0x00(%[para]) \n\t" \
+ MMI_MTC1(%[tmp0], %[ftmp6]) \
+ "punpcklwd %[ftmp6], %[ftmp6], %[ftmp6] \n\t" \
+ "paddw %[srcl], %[srcl], %[ftmp6] \n\t" \
+ "paddw %[srch], %[srch], %[ftmp6] \n\t" \
+ /* Arithmetic right shift para[1] bits */ \
+ "lw %[tmp0], 0x04(%[para]) \n\t" \
+ MMI_MTC1(%[tmp0], %[ftmp5]) \
+ "psraw %[srcl], %[srcl], %[ftmp5] \n\t" \
+ "psraw %[srch], %[srch], %[ftmp5] \n\t"
+/* clang-format on */
+
+#define CLIP_PIXEL_MMI \
+ /* Staturated operation */ \
+ "packsswh %[srcl], %[srcl], %[srch] \n\t" \
+ "packushb %[ftmp12], %[srcl], %[ftmp0] \n\t"
+
+static void convolve_horiz_mmi(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, int32_t w, int32_t h) {+ const int16_t *filter_x = filter[x0_q4];
+ double ftmp[14];
+ uint32_t tmp[2];
+ uint32_t para[5];
+ para[0] = (1 << ((FILTER_BITS)-1));
+ para[1] = FILTER_BITS;
+ src -= SUBPEL_TAPS / 2 - 1;
+ src_stride -= w;
+ dst_stride -= w;
+ (void)x_step_q4;
+
+ /* clang-format off */
+ __asm__ volatile(
+ "move %[tmp1], %[width] \n\t"
+ "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "gsldlc1 %[filter1], 0x03(%[filter]) \n\t"
+ "gsldrc1 %[filter1], 0x00(%[filter]) \n\t"
+ "gsldlc1 %[filter2], 0x0b(%[filter]) \n\t"
+ "gsldrc1 %[filter2], 0x08(%[filter]) \n\t"
+ "1: \n\t"
+ /* Get 8 data per row */
+ "gsldlc1 %[ftmp5], 0x07(%[src]) \n\t"
+ "gsldrc1 %[ftmp5], 0x00(%[src]) \n\t"
+ "gsldlc1 %[ftmp7], 0x08(%[src]) \n\t"
+ "gsldrc1 %[ftmp7], 0x01(%[src]) \n\t"
+ "gsldlc1 %[ftmp9], 0x09(%[src]) \n\t"
+ "gsldrc1 %[ftmp9], 0x02(%[src]) \n\t"
+ "gsldlc1 %[ftmp11], 0x0A(%[src]) \n\t"
+ "gsldrc1 %[ftmp11], 0x03(%[src]) \n\t"
+ "punpcklbh %[ftmp4], %[ftmp5], %[ftmp0] \n\t"
+ "punpckhbh %[ftmp5], %[ftmp5], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp6], %[ftmp7], %[ftmp0] \n\t"
+ "punpckhbh %[ftmp7], %[ftmp7], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp8], %[ftmp9], %[ftmp0] \n\t"
+ "punpckhbh %[ftmp9], %[ftmp9], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp10], %[ftmp11], %[ftmp0] \n\t"
+ "punpckhbh %[ftmp11], %[ftmp11], %[ftmp0] \n\t"
+ MMI_ADDIU(%[width], %[width], -0x04)
+ /* Get raw data */
+ GET_DATA_H_MMI
+ ROUND_POWER_OF_TWO_MMI
+ CLIP_PIXEL_MMI
+ "swc1 %[ftmp12], 0x00(%[dst]) \n\t"
+ MMI_ADDIU(%[dst], %[dst], 0x04)
+ MMI_ADDIU(%[src], %[src], 0x04)
+ /* Loop count */
+ "bnez %[width], 1b \n\t"
+ "move %[width], %[tmp1] \n\t"
+ MMI_ADDU(%[src], %[src], %[src_stride])
+ MMI_ADDU(%[dst], %[dst], %[dst_stride])
+ MMI_ADDIU(%[height], %[height], -0x01)
+ "bnez %[height], 1b \n\t"
+ : [srcl]"=&f"(ftmp[0]), [srch]"=&f"(ftmp[1]),
+ [filter1]"=&f"(ftmp[2]), [filter2]"=&f"(ftmp[3]),
+ [ftmp0]"=&f"(ftmp[4]), [ftmp4]"=&f"(ftmp[5]),
+ [ftmp5]"=&f"(ftmp[6]), [ftmp6]"=&f"(ftmp[7]),
+ [ftmp7]"=&f"(ftmp[8]), [ftmp8]"=&f"(ftmp[9]),
+ [ftmp9]"=&f"(ftmp[10]), [ftmp10]"=&f"(ftmp[11]),
+ [ftmp11]"=&f"(ftmp[12]), [ftmp12]"=&f"(ftmp[13]),
+ [tmp0]"=&r"(tmp[0]), [tmp1]"=&r"(tmp[1]),
+ [src]"+&r"(src), [width]"+&r"(w),
+ [dst]"+&r"(dst), [height]"+&r"(h)
+ : [filter]"r"(filter_x), [para]"r"(para),
+ [src_stride]"r"((mips_reg)src_stride),
+ [dst_stride]"r"((mips_reg)dst_stride)
+ : "memory"
+ );
+ /* clang-format on */
+}
+
+static void convolve_vert_mmi(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int y0_q4,
+ int y_step_q4, int32_t w, int32_t h) {+ const int16_t *filter_y = filter[y0_q4];
+ double ftmp[16];
+ uint32_t tmp[1];
+ uint32_t para[2];
+ ptrdiff_t addr = src_stride;
+ para[0] = (1 << ((FILTER_BITS)-1));
+ para[1] = FILTER_BITS;
+ src -= src_stride * (SUBPEL_TAPS / 2 - 1);
+ src_stride -= w;
+ dst_stride -= w;
+ (void)y_step_q4;
+
+ __asm__ volatile(
+ "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "gsldlc1 %[ftmp4], 0x03(%[filter]) \n\t"
+ "gsldrc1 %[ftmp4], 0x00(%[filter]) \n\t"
+ "gsldlc1 %[ftmp5], 0x0b(%[filter]) \n\t"
+ "gsldrc1 %[ftmp5], 0x08(%[filter]) \n\t"
+ "punpcklwd %[filter10], %[ftmp4], %[ftmp4] \n\t"
+ "punpckhwd %[filter32], %[ftmp4], %[ftmp4] \n\t"
+ "punpcklwd %[filter54], %[ftmp5], %[ftmp5] \n\t"
+ "punpckhwd %[filter76], %[ftmp5], %[ftmp5] \n\t"
+ "1: \n\t"
+ /* Get 8 data per column */
+ "gsldlc1 %[ftmp4], 0x07(%[src]) \n\t"
+ "gsldrc1 %[ftmp4], 0x00(%[src]) \n\t"
+ MMI_ADDU(%[tmp0], %[src], %[addr])
+ "gsldlc1 %[ftmp5], 0x07(%[tmp0]) \n\t"
+ "gsldrc1 %[ftmp5], 0x00(%[tmp0]) \n\t"
+ MMI_ADDU(%[tmp0], %[tmp0], %[addr])
+ "gsldlc1 %[ftmp6], 0x07(%[tmp0]) \n\t"
+ "gsldrc1 %[ftmp6], 0x00(%[tmp0]) \n\t"
+ MMI_ADDU(%[tmp0], %[tmp0], %[addr])
+ "gsldlc1 %[ftmp7], 0x07(%[tmp0]) \n\t"
+ "gsldrc1 %[ftmp7], 0x00(%[tmp0]) \n\t"
+ MMI_ADDU(%[tmp0], %[tmp0], %[addr])
+ "gsldlc1 %[ftmp8], 0x07(%[tmp0]) \n\t"
+ "gsldrc1 %[ftmp8], 0x00(%[tmp0]) \n\t"
+ MMI_ADDU(%[tmp0], %[tmp0], %[addr])
+ "gsldlc1 %[ftmp9], 0x07(%[tmp0]) \n\t"
+ "gsldrc1 %[ftmp9], 0x00(%[tmp0]) \n\t"
+ MMI_ADDU(%[tmp0], %[tmp0], %[addr])
+ "gsldlc1 %[ftmp10], 0x07(%[tmp0]) \n\t"
+ "gsldrc1 %[ftmp10], 0x00(%[tmp0]) \n\t"
+ MMI_ADDU(%[tmp0], %[tmp0], %[addr])
+ "gsldlc1 %[ftmp11], 0x07(%[tmp0]) \n\t"
+ "gsldrc1 %[ftmp11], 0x00(%[tmp0]) \n\t"
+ "punpcklbh %[ftmp4], %[ftmp4], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp5], %[ftmp5], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp6], %[ftmp6], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp7], %[ftmp7], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp8], %[ftmp8], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp9], %[ftmp9], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp10], %[ftmp10], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp11], %[ftmp11], %[ftmp0] \n\t"
+ MMI_ADDIU(%[width], %[width], -0x04)
+ /* Get raw data */
+ GET_DATA_V_MMI
+ ROUND_POWER_OF_TWO_MMI
+ CLIP_PIXEL_MMI
+ "swc1 %[ftmp12], 0x00(%[dst]) \n\t"
+ MMI_ADDIU(%[dst], %[dst], 0x04)
+ MMI_ADDIU(%[src], %[src], 0x04)
+ /* Loop count */
+ "bnez %[width], 1b \n\t"
+ MMI_SUBU(%[width], %[addr], %[src_stride])
+ MMI_ADDU(%[src], %[src], %[src_stride])
+ MMI_ADDU(%[dst], %[dst], %[dst_stride])
+ MMI_ADDIU(%[height], %[height], -0x01)
+ "bnez %[height], 1b \n\t"
+ : [srcl]"=&f"(ftmp[0]), [srch]"=&f"(ftmp[1]),
+ [filter10]"=&f"(ftmp[2]), [filter32]"=&f"(ftmp[3]),
+ [filter54]"=&f"(ftmp[4]), [filter76]"=&f"(ftmp[5]),
+ [ftmp0]"=&f"(ftmp[6]), [ftmp4]"=&f"(ftmp[7]),
+ [ftmp5]"=&f"(ftmp[8]), [ftmp6]"=&f"(ftmp[9]),
+ [ftmp7]"=&f"(ftmp[10]), [ftmp8]"=&f"(ftmp[11]),
+ [ftmp9]"=&f"(ftmp[12]), [ftmp10]"=&f"(ftmp[13]),
+ [ftmp11]"=&f"(ftmp[14]), [ftmp12]"=&f"(ftmp[15]),
+ [src]"+&r"(src), [dst]"+&r"(dst),
+ [width]"+&r"(w), [height]"+&r"(h),
+ [tmp0]"=&r"(tmp[0])
+ : [filter]"r"(filter_y), [para]"r"(para),
+ [src_stride]"r"((mips_reg)src_stride),
+ [dst_stride]"r"((mips_reg)dst_stride),
+ [addr]"r"((mips_reg)addr)
+ : "memory"
+ );
+}
+
+static void convolve_avg_vert_mmi(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int y0_q4,
+ int y_step_q4, int32_t w, int32_t h) {+ const int16_t *filter_y = filter[y0_q4];
+ double ftmp[16];
+ uint32_t tmp[1];
+ uint32_t para[2];
+ ptrdiff_t addr = src_stride;
+ para[0] = (1 << ((FILTER_BITS)-1));
+ para[1] = FILTER_BITS;
+ src -= src_stride * (SUBPEL_TAPS / 2 - 1);
+ src_stride -= w;
+ dst_stride -= w;
+ (void)y_step_q4;
+
+ __asm__ volatile(
+ "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "gsldlc1 %[ftmp4], 0x03(%[filter]) \n\t"
+ "gsldrc1 %[ftmp4], 0x00(%[filter]) \n\t"
+ "gsldlc1 %[ftmp5], 0x0b(%[filter]) \n\t"
+ "gsldrc1 %[ftmp5], 0x08(%[filter]) \n\t"
+ "punpcklwd %[filter10], %[ftmp4], %[ftmp4] \n\t"
+ "punpckhwd %[filter32], %[ftmp4], %[ftmp4] \n\t"
+ "punpcklwd %[filter54], %[ftmp5], %[ftmp5] \n\t"
+ "punpckhwd %[filter76], %[ftmp5], %[ftmp5] \n\t"
+ "1: \n\t"
+ /* Get 8 data per column */
+ "gsldlc1 %[ftmp4], 0x07(%[src]) \n\t"
+ "gsldrc1 %[ftmp4], 0x00(%[src]) \n\t"
+ MMI_ADDU(%[tmp0], %[src], %[addr])
+ "gsldlc1 %[ftmp5], 0x07(%[tmp0]) \n\t"
+ "gsldrc1 %[ftmp5], 0x00(%[tmp0]) \n\t"
+ MMI_ADDU(%[tmp0], %[tmp0], %[addr])
+ "gsldlc1 %[ftmp6], 0x07(%[tmp0]) \n\t"
+ "gsldrc1 %[ftmp6], 0x00(%[tmp0]) \n\t"
+ MMI_ADDU(%[tmp0], %[tmp0], %[addr])
+ "gsldlc1 %[ftmp7], 0x07(%[tmp0]) \n\t"
+ "gsldrc1 %[ftmp7], 0x00(%[tmp0]) \n\t"
+ MMI_ADDU(%[tmp0], %[tmp0], %[addr])
+ "gsldlc1 %[ftmp8], 0x07(%[tmp0]) \n\t"
+ "gsldrc1 %[ftmp8], 0x00(%[tmp0]) \n\t"
+ MMI_ADDU(%[tmp0], %[tmp0], %[addr])
+ "gsldlc1 %[ftmp9], 0x07(%[tmp0]) \n\t"
+ "gsldrc1 %[ftmp9], 0x00(%[tmp0]) \n\t"
+ MMI_ADDU(%[tmp0], %[tmp0], %[addr])
+ "gsldlc1 %[ftmp10], 0x07(%[tmp0]) \n\t"
+ "gsldrc1 %[ftmp10], 0x00(%[tmp0]) \n\t"
+ MMI_ADDU(%[tmp0], %[tmp0], %[addr])
+ "gsldlc1 %[ftmp11], 0x07(%[tmp0]) \n\t"
+ "gsldrc1 %[ftmp11], 0x00(%[tmp0]) \n\t"
+ "punpcklbh %[ftmp4], %[ftmp4], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp5], %[ftmp5], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp6], %[ftmp6], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp7], %[ftmp7], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp8], %[ftmp8], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp9], %[ftmp9], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp10], %[ftmp10], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp11], %[ftmp11], %[ftmp0] \n\t"
+ MMI_ADDIU(%[width], %[width], -0x04)
+ /* Get raw data */
+ GET_DATA_V_MMI
+ ROUND_POWER_OF_TWO_MMI
+ CLIP_PIXEL_MMI
+ "punpcklbh %[ftmp12], %[ftmp12], %[ftmp0] \n\t"
+ "gsldlc1 %[ftmp4], 0x07(%[dst]) \n\t"
+ "gsldrc1 %[ftmp4], 0x00(%[dst]) \n\t"
+ "punpcklbh %[ftmp4], %[ftmp4], %[ftmp0] \n\t"
+ "paddh %[ftmp12], %[ftmp12], %[ftmp4] \n\t"
+ "li %[tmp0], 0x10001 \n\t"
+ MMI_MTC1(%[tmp0], %[ftmp5])
+ "punpcklhw %[ftmp5], %[ftmp5], %[ftmp5] \n\t"
+ "paddh %[ftmp12], %[ftmp12], %[ftmp5] \n\t"
+ "psrah %[ftmp12], %[ftmp12], %[ftmp5] \n\t"
+ "packushb %[ftmp12], %[ftmp12], %[ftmp0] \n\t"
+ "swc1 %[ftmp12], 0x00(%[dst]) \n\t"
+ MMI_ADDIU(%[dst], %[dst], 0x04)
+ MMI_ADDIU(%[src], %[src], 0x04)
+ /* Loop count */
+ "bnez %[width], 1b \n\t"
+ MMI_SUBU(%[width], %[addr], %[src_stride])
+ MMI_ADDU(%[src], %[src], %[src_stride])
+ MMI_ADDU(%[dst], %[dst], %[dst_stride])
+ MMI_ADDIU(%[height], %[height], -0x01)
+ "bnez %[height], 1b \n\t"
+ : [srcl]"=&f"(ftmp[0]), [srch]"=&f"(ftmp[1]),
+ [filter10]"=&f"(ftmp[2]), [filter32]"=&f"(ftmp[3]),
+ [filter54]"=&f"(ftmp[4]), [filter76]"=&f"(ftmp[5]),
+ [ftmp0]"=&f"(ftmp[6]), [ftmp4]"=&f"(ftmp[7]),
+ [ftmp5]"=&f"(ftmp[8]), [ftmp6]"=&f"(ftmp[9]),
+ [ftmp7]"=&f"(ftmp[10]), [ftmp8]"=&f"(ftmp[11]),
+ [ftmp9]"=&f"(ftmp[12]), [ftmp10]"=&f"(ftmp[13]),
+ [ftmp11]"=&f"(ftmp[14]), [ftmp12]"=&f"(ftmp[15]),
+ [src]"+&r"(src), [dst]"+&r"(dst),
+ [width]"+&r"(w), [height]"+&r"(h),
+ [tmp0]"=&r"(tmp[0])
+ : [filter]"r"(filter_y), [para]"r"(para),
+ [src_stride]"r"((mips_reg)src_stride),
+ [dst_stride]"r"((mips_reg)dst_stride),
+ [addr]"r"((mips_reg)addr)
+ : "memory"
+ );
+}
+
+void vpx_convolve_avg_mmi(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) {+ double ftmp[4];
+ uint32_t tmp[2];
+ src_stride -= w;
+ dst_stride -= w;
+ (void)filter;
+ (void)x0_q4;
+ (void)x_step_q4;
+ (void)y0_q4;
+ (void)y_step_q4;
+
+ __asm__ volatile(
+ "move %[tmp1], %[width] \n\t"
+ "xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
+ "li %[tmp0], 0x10001 \n\t"
+ MMI_MTC1(%[tmp0], %[ftmp3])
+ "punpcklhw %[ftmp3], %[ftmp3], %[ftmp3] \n\t"
+ "1: \n\t"
+ "gsldlc1 %[ftmp1], 0x07(%[src]) \n\t"
+ "gsldrc1 %[ftmp1], 0x00(%[src]) \n\t"
+ "gsldlc1 %[ftmp2], 0x07(%[dst]) \n\t"
+ "gsldrc1 %[ftmp2], 0x00(%[dst]) \n\t"
+ "punpcklbh %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
+ "punpcklbh %[ftmp2], %[ftmp2], %[ftmp0] \n\t"
+ "paddh %[ftmp1], %[ftmp1], %[ftmp2] \n\t"
+ "paddh %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
+ "psrah %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
+ "packushb %[ftmp1], %[ftmp1], %[ftmp0] \n\t"
+ "swc1 %[ftmp1], 0x00(%[dst]) \n\t"
+ MMI_ADDIU(%[width], %[width], -0x04)
+ MMI_ADDIU(%[dst], %[dst], 0x04)
+ MMI_ADDIU(%[src], %[src], 0x04)
+ "bnez %[width], 1b \n\t"
+ "move %[width], %[tmp1] \n\t"
+ MMI_ADDU(%[dst], %[dst], %[dst_stride])
+ MMI_ADDU(%[src], %[src], %[src_stride])
+ MMI_ADDIU(%[height], %[height], -0x01)
+ "bnez %[height], 1b \n\t"
+ : [ftmp0]"=&f"(ftmp[0]), [ftmp1]"=&f"(ftmp[1]),
+ [ftmp2]"=&f"(ftmp[2]), [ftmp3]"=&f"(ftmp[3]),
+ [tmp0]"=&r"(tmp[0]), [tmp1]"=&r"(tmp[1]),
+ [src]"+&r"(src), [dst]"+&r"(dst),
+ [width]"+&r"(w), [height]"+&r"(h)
+ : [src_stride]"r"((mips_reg)src_stride),
+ [dst_stride]"r"((mips_reg)dst_stride)
+ : "memory"
+ );
+}
+
+static void convolve_horiz(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) {+ int x, y;
+ src -= SUBPEL_TAPS / 2 - 1;
+
+ for (y = 0; y < h; ++y) {+ int x_q4 = x0_q4;
+ for (x = 0; x < w; ++x) {+ const uint8_t *const src_x = &src[x_q4 >> SUBPEL_BITS];
+ const int16_t *const x_filter = x_filters[x_q4 & SUBPEL_MASK];
+ int k, sum = 0;
+ for (k = 0; k < SUBPEL_TAPS; ++k) sum += src_x[k] * x_filter[k];
+ dst[x] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS));
+ x_q4 += x_step_q4;
+ }
+ src += src_stride;
+ dst += dst_stride;
+ }
+}
+
+static void convolve_vert(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;
+ src -= src_stride * (SUBPEL_TAPS / 2 - 1);
+
+ for (x = 0; x < w; ++x) {+ int y_q4 = y0_q4;
+ 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];
+ int k, sum = 0;
+ for (k = 0; k < SUBPEL_TAPS; ++k)
+ sum += src_y[k * src_stride] * y_filter[k];
+ dst[y * dst_stride] = clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS));
+ y_q4 += y_step_q4;
+ }
+ ++src;
+ ++dst;
+ }
+}
+
+static void convolve_avg_vert(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;
+ src -= src_stride * (SUBPEL_TAPS / 2 - 1);
+
+ for (x = 0; x < w; ++x) {+ int y_q4 = y0_q4;
+ 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];
+ int k, sum = 0;
+ for (k = 0; k < SUBPEL_TAPS; ++k)
+ sum += src_y[k * src_stride] * y_filter[k];
+ dst[y * dst_stride] = ROUND_POWER_OF_TWO(
+ dst[y * dst_stride] +
+ clip_pixel(ROUND_POWER_OF_TWO(sum, FILTER_BITS)),
+ 1);
+ y_q4 += y_step_q4;
+ }
+ ++src;
+ ++dst;
+ }
+}
+
+void vpx_convolve8_mmi(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst,
+ ptrdiff_t dst_stride, const InterpKernel *filter,
+ int x0_q4, int32_t x_step_q4, int y0_q4,
+ int32_t y_step_q4, int32_t w, int32_t 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.
+ // When calling in frame scaling function, the smallest scaling factor is x1/4
+ // ==> y_step_q4 = 64. Since w and h are at most 16, the temp buffer is still
+ // big enough.
+ uint8_t temp[64 * 135];
+ 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 (w & 0x03) {+ convolve_horiz(src - src_stride * (SUBPEL_TAPS / 2 - 1), src_stride, temp,
+ 64, filter, x0_q4, x_step_q4, w, intermediate_height);
+ convolve_vert(temp + 64 * (SUBPEL_TAPS / 2 - 1), 64, dst, dst_stride,
+ filter, y0_q4, y_step_q4, w, h);
+ } else {+ convolve_horiz_mmi(src - src_stride * (SUBPEL_TAPS / 2 - 1), src_stride,
+ temp, 64, filter, x0_q4, x_step_q4, w,
+ intermediate_height);
+ convolve_vert_mmi(temp + 64 * (SUBPEL_TAPS / 2 - 1), 64, dst, dst_stride,
+ filter, y0_q4, y_step_q4, w, h);
+ }
+}
+
+void vpx_convolve8_horiz_mmi(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int32_t x_step_q4, int y0_q4, int32_t y_step_q4,
+ int32_t w, int32_t h) {+ (void)y0_q4;
+ (void)y_step_q4;
+ if (w & 0x03)
+ convolve_horiz(src, src_stride, dst, dst_stride, filter, x0_q4, x_step_q4,
+ w, h);
+ else
+ convolve_horiz_mmi(src, src_stride, dst, dst_stride, filter, x0_q4,
+ x_step_q4, w, h);
+}
+
+void vpx_convolve8_vert_mmi(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int32_t x_step_q4, int y0_q4, int y_step_q4, int w,
+ int h) {+ (void)x0_q4;
+ (void)x_step_q4;
+ if (w & 0x03)
+ convolve_vert(src, src_stride, dst, dst_stride, filter, y0_q4, y_step_q4, w,
+ h);
+ else
+ convolve_vert_mmi(src, src_stride, dst, dst_stride, filter, y0_q4,
+ y_step_q4, w, h);
+}
+
+void vpx_convolve8_avg_vert_mmi(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int32_t x_step_q4, int y0_q4, int y_step_q4,
+ int w, int h) {+ (void)x0_q4;
+ (void)x_step_q4;
+ if (w & 0x03)
+ convolve_avg_vert(src, src_stride, dst, dst_stride, filter, y0_q4,
+ y_step_q4, w, h);
+ else
+ convolve_avg_vert_mmi(src, src_stride, dst, dst_stride, filter, y0_q4,
+ y_step_q4, w, h);
+}
+
+void vpx_convolve8_avg_mmi(const uint8_t *src, ptrdiff_t src_stride,
+ uint8_t *dst, ptrdiff_t dst_stride,
+ const InterpKernel *filter, int x0_q4,
+ int32_t x_step_q4, int y0_q4, int32_t y_step_q4,
+ int32_t w, int32_t h) {+ // Fixed size intermediate buffer places limits on parameters.
+ DECLARE_ALIGNED(16, uint8_t, temp[64 * 64]);
+ assert(w <= 64);
+ assert(h <= 64);
+
+ vpx_convolve8_mmi(src, src_stride, temp, 64, filter, x0_q4, x_step_q4, y0_q4,
+ y_step_q4, w, h);
+ if (w & 0x03)
+ vpx_convolve_avg_c(temp, 64, dst, dst_stride, NULL, 0, 0, 0, 0, w, h);
+ else
+ vpx_convolve_avg_mmi(temp, 64, dst, dst_stride, NULL, 0, 0, 0, 0, w, h);
+}
--- a/vpx_dsp/vpx_dsp.mk
+++ b/vpx_dsp/vpx_dsp.mk
@@ -134,6 +134,7 @@
DSP_SRCS-$(HAVE_MSA) += mips/vpx_convolve_avg_msa.c
DSP_SRCS-$(HAVE_MSA) += mips/vpx_convolve_copy_msa.c
DSP_SRCS-$(HAVE_MSA) += mips/vpx_convolve_msa.h
+DSP_SRCS-$(HAVE_MMI) += mips/vpx_convolve8_mmi.c
# common (dspr2)
DSP_SRCS-$(HAVE_DSPR2) += mips/convolve_common_dspr2.h
--- a/vpx_dsp/vpx_dsp_rtcd_defs.pl
+++ b/vpx_dsp/vpx_dsp_rtcd_defs.pl
@@ -366,22 +366,22 @@
specialize qw/vpx_convolve_avg neon dspr2 msa sse2 vsx/;
add_proto qw/void vpx_convolve8/, "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_convolve8 sse2 ssse3 avx2 neon dspr2 msa vsx/;
+specialize qw/vpx_convolve8 sse2 ssse3 avx2 neon dspr2 msa vsx mmi/;
add_proto qw/void vpx_convolve8_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";
-specialize qw/vpx_convolve8_horiz sse2 ssse3 avx2 neon dspr2 msa vsx/;
+specialize qw/vpx_convolve8_horiz sse2 ssse3 avx2 neon dspr2 msa vsx mmi/;
add_proto qw/void vpx_convolve8_vert/, "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_convolve8_vert sse2 ssse3 avx2 neon dspr2 msa vsx/;
+specialize qw/vpx_convolve8_vert sse2 ssse3 avx2 neon dspr2 msa vsx mmi/;
add_proto qw/void vpx_convolve8_avg/, "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_convolve8_avg sse2 ssse3 avx2 neon dspr2 msa vsx/;
+specialize qw/vpx_convolve8_avg sse2 ssse3 avx2 neon dspr2 msa vsx mmi/;
add_proto qw/void vpx_convolve8_avg_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";
specialize qw/vpx_convolve8_avg_horiz sse2 ssse3 avx2 neon dspr2 msa vsx/;
add_proto qw/void vpx_convolve8_avg_vert/, "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_convolve8_avg_vert sse2 ssse3 avx2 neon dspr2 msa vsx/;
+specialize qw/vpx_convolve8_avg_vert sse2 ssse3 avx2 neon dspr2 msa vsx mmi/;
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 msa/;