ref: 099e9bf1ff823ca3720c7ba24791a1482c1e7d16
dir: /vpx_dsp/mips/convolve8_vert_dspr2.c/
/* * Copyright (c) 2013 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 <stdio.h> #include "./vpx_dsp_rtcd.h" #include "vpx_dsp/mips/convolve_common_dspr2.h" #include "vpx_dsp/vpx_dsp_common.h" #include "vpx_dsp/vpx_filter.h" #include "vpx_ports/mem.h" #if HAVE_DSPR2 static void convolve_vert_4_dspr2(const uint8_t *src, int32_t src_stride, uint8_t *dst, int32_t dst_stride, const int16_t *filter_y, int32_t w, int32_t h) { int32_t x, y; const uint8_t *src_ptr; uint8_t *dst_ptr; uint8_t *cm = vpx_ff_cropTbl; uint32_t vector4a = 64; uint32_t load1, load2, load3, load4; uint32_t p1, p2; uint32_t n1, n2; uint32_t scratch1, scratch2; uint32_t store1, store2; int32_t vector1b, vector2b, vector3b, vector4b; int32_t Temp1, Temp2; vector1b = ((const int32_t *)filter_y)[0]; vector2b = ((const int32_t *)filter_y)[1]; vector3b = ((const int32_t *)filter_y)[2]; vector4b = ((const int32_t *)filter_y)[3]; src -= 3 * src_stride; for (y = h; y--;) { /* prefetch data to cache memory */ prefetch_store(dst + dst_stride); for (x = 0; x < w; x += 4) { src_ptr = src + x; dst_ptr = dst + x; __asm__ __volatile__( "ulw %[load1], 0(%[src_ptr]) \n\t" "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" "ulw %[load2], 0(%[src_ptr]) \n\t" "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" "ulw %[load3], 0(%[src_ptr]) \n\t" "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" "ulw %[load4], 0(%[src_ptr]) \n\t" "mtlo %[vector4a], $ac0 \n\t" "mtlo %[vector4a], $ac1 \n\t" "mtlo %[vector4a], $ac2 \n\t" "mtlo %[vector4a], $ac3 \n\t" "mthi $zero, $ac0 \n\t" "mthi $zero, $ac1 \n\t" "mthi $zero, $ac2 \n\t" "mthi $zero, $ac3 \n\t" "preceu.ph.qbr %[scratch1], %[load1] \n\t" "preceu.ph.qbr %[p1], %[load2] \n\t" "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t" /* pixel 2 */ "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ "preceu.ph.qbr %[scratch2], %[load3] \n\t" "preceu.ph.qbr %[p2], %[load4] \n\t" "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t" /* pixel 2 */ "append %[p2], %[scratch2], 16 \n\t" /* pixel 1 */ "dpa.w.ph $ac0, %[p1], %[vector1b] \n\t" "dpa.w.ph $ac0, %[p2], %[vector2b] \n\t" "dpa.w.ph $ac1, %[n1], %[vector1b] \n\t" "dpa.w.ph $ac1, %[n2], %[vector2b] \n\t" "preceu.ph.qbl %[scratch1], %[load1] \n\t" "preceu.ph.qbl %[p1], %[load2] \n\t" "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t" /* pixel 2 */ "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ "preceu.ph.qbl %[scratch2], %[load3] \n\t" "preceu.ph.qbl %[p2], %[load4] \n\t" "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t" /* pixel 2 */ "append %[p2], %[scratch2], 16 \n\t" /* pixel 1 */ "dpa.w.ph $ac2, %[p1], %[vector1b] \n\t" "dpa.w.ph $ac2, %[p2], %[vector2b] \n\t" "dpa.w.ph $ac3, %[n1], %[vector1b] \n\t" "dpa.w.ph $ac3, %[n2], %[vector2b] \n\t" "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" "ulw %[load1], 0(%[src_ptr]) \n\t" "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" "ulw %[load2], 0(%[src_ptr]) \n\t" "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" "ulw %[load3], 0(%[src_ptr]) \n\t" "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" "ulw %[load4], 0(%[src_ptr]) \n\t" "preceu.ph.qbr %[scratch1], %[load1] \n\t" "preceu.ph.qbr %[p1], %[load2] \n\t" "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t" /* pixel 2 */ "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ "preceu.ph.qbr %[scratch2], %[load3] \n\t" "preceu.ph.qbr %[p2], %[load4] \n\t" "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t" /* pixel 2 */ "append %[p2], %[scratch2], 16 \n\t" /* pixel 1 */ "dpa.w.ph $ac0, %[p1], %[vector3b] \n\t" "dpa.w.ph $ac0, %[p2], %[vector4b] \n\t" "extp %[Temp1], $ac0, 31 \n\t" "dpa.w.ph $ac1, %[n1], %[vector3b] \n\t" "dpa.w.ph $ac1, %[n2], %[vector4b] \n\t" "extp %[Temp2], $ac1, 31 \n\t" "preceu.ph.qbl %[scratch1], %[load1] \n\t" "preceu.ph.qbl %[p1], %[load2] \n\t" "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t" /* pixel 2 */ "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ "preceu.ph.qbl %[scratch2], %[load3] \n\t" "preceu.ph.qbl %[p2], %[load4] \n\t" "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t" /* pixel 2 */ "append %[p2], %[scratch2], 16 \n\t" /* pixel 1 */ "lbux %[store1], %[Temp1](%[cm]) \n\t" "dpa.w.ph $ac2, %[p1], %[vector3b] \n\t" "dpa.w.ph $ac2, %[p2], %[vector4b] \n\t" "extp %[Temp1], $ac2, 31 \n\t" "lbux %[store2], %[Temp2](%[cm]) \n\t" "dpa.w.ph $ac3, %[n1], %[vector3b] \n\t" "dpa.w.ph $ac3, %[n2], %[vector4b] \n\t" "extp %[Temp2], $ac3, 31 \n\t" "sb %[store1], 0(%[dst_ptr]) \n\t" "sb %[store2], 1(%[dst_ptr]) \n\t" "lbux %[store1], %[Temp1](%[cm]) \n\t" "lbux %[store2], %[Temp2](%[cm]) \n\t" "sb %[store1], 2(%[dst_ptr]) \n\t" "sb %[store2], 3(%[dst_ptr]) \n\t" : [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3), [load4] "=&r"(load4), [p1] "=&r"(p1), [p2] "=&r"(p2), [n1] "=&r"(n1), [n2] "=&r"(n2), [scratch1] "=&r"(scratch1), [scratch2] "=&r"(scratch2), [Temp1] "=&r"(Temp1), [Temp2] "=&r"(Temp2), [store1] "=&r"(store1), [store2] "=&r"(store2), [src_ptr] "+r"(src_ptr) : [vector1b] "r"(vector1b), [vector2b] "r"(vector2b), [vector3b] "r"(vector3b), [vector4b] "r"(vector4b), [vector4a] "r"(vector4a), [src_stride] "r"(src_stride), [cm] "r"(cm), [dst_ptr] "r"(dst_ptr)); } /* Next row... */ src += src_stride; dst += dst_stride; } } static void convolve_vert_64_dspr2(const uint8_t *src, int32_t src_stride, uint8_t *dst, int32_t dst_stride, const int16_t *filter_y, int32_t h) { int32_t x, y; const uint8_t *src_ptr; uint8_t *dst_ptr; uint8_t *cm = vpx_ff_cropTbl; uint32_t vector4a = 64; uint32_t load1, load2, load3, load4; uint32_t p1, p2; uint32_t n1, n2; uint32_t scratch1, scratch2; uint32_t store1, store2; int32_t vector1b, vector2b, vector3b, vector4b; int32_t Temp1, Temp2; vector1b = ((const int32_t *)filter_y)[0]; vector2b = ((const int32_t *)filter_y)[1]; vector3b = ((const int32_t *)filter_y)[2]; vector4b = ((const int32_t *)filter_y)[3]; src -= 3 * src_stride; for (y = h; y--;) { /* prefetch data to cache memory */ prefetch_store(dst + dst_stride); prefetch_store(dst + dst_stride + 32); for (x = 0; x < 64; x += 4) { src_ptr = src + x; dst_ptr = dst + x; __asm__ __volatile__( "ulw %[load1], 0(%[src_ptr]) \n\t" "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" "ulw %[load2], 0(%[src_ptr]) \n\t" "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" "ulw %[load3], 0(%[src_ptr]) \n\t" "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" "ulw %[load4], 0(%[src_ptr]) \n\t" "mtlo %[vector4a], $ac0 \n\t" "mtlo %[vector4a], $ac1 \n\t" "mtlo %[vector4a], $ac2 \n\t" "mtlo %[vector4a], $ac3 \n\t" "mthi $zero, $ac0 \n\t" "mthi $zero, $ac1 \n\t" "mthi $zero, $ac2 \n\t" "mthi $zero, $ac3 \n\t" "preceu.ph.qbr %[scratch1], %[load1] \n\t" "preceu.ph.qbr %[p1], %[load2] \n\t" "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t" /* pixel 2 */ "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ "preceu.ph.qbr %[scratch2], %[load3] \n\t" "preceu.ph.qbr %[p2], %[load4] \n\t" "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t" /* pixel 2 */ "append %[p2], %[scratch2], 16 \n\t" /* pixel 1 */ "dpa.w.ph $ac0, %[p1], %[vector1b] \n\t" "dpa.w.ph $ac0, %[p2], %[vector2b] \n\t" "dpa.w.ph $ac1, %[n1], %[vector1b] \n\t" "dpa.w.ph $ac1, %[n2], %[vector2b] \n\t" "preceu.ph.qbl %[scratch1], %[load1] \n\t" "preceu.ph.qbl %[p1], %[load2] \n\t" "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t" /* pixel 2 */ "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ "preceu.ph.qbl %[scratch2], %[load3] \n\t" "preceu.ph.qbl %[p2], %[load4] \n\t" "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t" /* pixel 2 */ "append %[p2], %[scratch2], 16 \n\t" /* pixel 1 */ "dpa.w.ph $ac2, %[p1], %[vector1b] \n\t" "dpa.w.ph $ac2, %[p2], %[vector2b] \n\t" "dpa.w.ph $ac3, %[n1], %[vector1b] \n\t" "dpa.w.ph $ac3, %[n2], %[vector2b] \n\t" "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" "ulw %[load1], 0(%[src_ptr]) \n\t" "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" "ulw %[load2], 0(%[src_ptr]) \n\t" "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" "ulw %[load3], 0(%[src_ptr]) \n\t" "add %[src_ptr], %[src_ptr], %[src_stride] \n\t" "ulw %[load4], 0(%[src_ptr]) \n\t" "preceu.ph.qbr %[scratch1], %[load1] \n\t" "preceu.ph.qbr %[p1], %[load2] \n\t" "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t" /* pixel 2 */ "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ "preceu.ph.qbr %[scratch2], %[load3] \n\t" "preceu.ph.qbr %[p2], %[load4] \n\t" "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t" /* pixel 2 */ "append %[p2], %[scratch2], 16 \n\t" /* pixel 1 */ "dpa.w.ph $ac0, %[p1], %[vector3b] \n\t" "dpa.w.ph $ac0, %[p2], %[vector4b] \n\t" "extp %[Temp1], $ac0, 31 \n\t" "dpa.w.ph $ac1, %[n1], %[vector3b] \n\t" "dpa.w.ph $ac1, %[n2], %[vector4b] \n\t" "extp %[Temp2], $ac1, 31 \n\t" "preceu.ph.qbl %[scratch1], %[load1] \n\t" "preceu.ph.qbl %[p1], %[load2] \n\t" "precrq.ph.w %[n1], %[p1], %[scratch1] \n\t" /* pixel 2 */ "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ "preceu.ph.qbl %[scratch2], %[load3] \n\t" "preceu.ph.qbl %[p2], %[load4] \n\t" "precrq.ph.w %[n2], %[p2], %[scratch2] \n\t" /* pixel 2 */ "append %[p2], %[scratch2], 16 \n\t" /* pixel 1 */ "lbux %[store1], %[Temp1](%[cm]) \n\t" "dpa.w.ph $ac2, %[p1], %[vector3b] \n\t" "dpa.w.ph $ac2, %[p2], %[vector4b] \n\t" "extp %[Temp1], $ac2, 31 \n\t" "lbux %[store2], %[Temp2](%[cm]) \n\t" "dpa.w.ph $ac3, %[n1], %[vector3b] \n\t" "dpa.w.ph $ac3, %[n2], %[vector4b] \n\t" "extp %[Temp2], $ac3, 31 \n\t" "sb %[store1], 0(%[dst_ptr]) \n\t" "sb %[store2], 1(%[dst_ptr]) \n\t" "lbux %[store1], %[Temp1](%[cm]) \n\t" "lbux %[store2], %[Temp2](%[cm]) \n\t" "sb %[store1], 2(%[dst_ptr]) \n\t" "sb %[store2], 3(%[dst_ptr]) \n\t" : [load1] "=&r"(load1), [load2] "=&r"(load2), [load3] "=&r"(load3), [load4] "=&r"(load4), [p1] "=&r"(p1), [p2] "=&r"(p2), [n1] "=&r"(n1), [n2] "=&r"(n2), [scratch1] "=&r"(scratch1), [scratch2] "=&r"(scratch2), [Temp1] "=&r"(Temp1), [Temp2] "=&r"(Temp2), [store1] "=&r"(store1), [store2] "=&r"(store2), [src_ptr] "+r"(src_ptr) : [vector1b] "r"(vector1b), [vector2b] "r"(vector2b), [vector3b] "r"(vector3b), [vector4b] "r"(vector4b), [vector4a] "r"(vector4a), [src_stride] "r"(src_stride), [cm] "r"(cm), [dst_ptr] "r"(dst_ptr)); } /* Next row... */ src += src_stride; dst += dst_stride; } } void vpx_convolve8_vert_dspr2(const uint8_t *src, ptrdiff_t src_stride, uint8_t *dst, ptrdiff_t dst_stride, const int16_t *filter_x, int x_step_q4, const int16_t *filter_y, int y_step_q4, int w, int h) { assert(y_step_q4 == 16); assert(((const int32_t *)filter_y)[1] != 0x800000); if (((const int32_t *)filter_y)[0] == 0) { vpx_convolve2_vert_dspr2(src, src_stride, dst, dst_stride, filter_x, x_step_q4, filter_y, y_step_q4, w, h); } else { uint32_t pos = 38; /* bit positon for extract from acc */ __asm__ __volatile__("wrdsp %[pos], 1 \n\t" : : [pos] "r"(pos)); prefetch_store(dst); switch (w) { case 4: case 8: case 16: case 32: convolve_vert_4_dspr2(src, src_stride, dst, dst_stride, filter_y, w, h); break; case 64: prefetch_store(dst + 32); convolve_vert_64_dspr2(src, src_stride, dst, dst_stride, filter_y, h); break; default: vpx_convolve8_vert_c(src, src_stride, dst, dst_stride, filter_x, x_step_q4, filter_y, y_step_q4, w, h); break; } } } #endif