diff options
Diffstat (limited to 'third_party/aom/aom_dsp/mips/convolve2_vert_dspr2.c')
-rw-r--r-- | third_party/aom/aom_dsp/mips/convolve2_vert_dspr2.c | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/third_party/aom/aom_dsp/mips/convolve2_vert_dspr2.c b/third_party/aom/aom_dsp/mips/convolve2_vert_dspr2.c new file mode 100644 index 000000000..3367be01a --- /dev/null +++ b/third_party/aom/aom_dsp/mips/convolve2_vert_dspr2.c @@ -0,0 +1,237 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#include <assert.h> +#include <stdio.h> + +#include "./aom_dsp_rtcd.h" +#include "aom_dsp/mips/convolve_common_dspr2.h" +#include "aom_dsp/aom_convolve.h" +#include "aom_dsp/aom_dsp_common.h" +#include "aom_ports/mem.h" + +#if HAVE_DSPR2 +static void convolve_bi_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 = aom_ff_cropTbl; + uint32_t vector4a = 64; + uint32_t load1, load2; + uint32_t p1, p2; + uint32_t scratch1; + uint32_t store1, store2; + int32_t Temp1, Temp2; + const int16_t *filter = &filter_y[3]; + uint32_t filter45; + + filter45 = ((const int32_t *)filter)[0]; + + 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" + + "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 %[p2], %[p1], %[scratch1] \n\t" /* pixel 2 */ + "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ + + "dpa.w.ph $ac0, %[p1], %[filter45] \n\t" + "dpa.w.ph $ac1, %[p2], %[filter45] \n\t" + + "preceu.ph.qbl %[scratch1], %[load1] \n\t" + "preceu.ph.qbl %[p1], %[load2] \n\t" + + "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t" /* pixel 2 */ + "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ + + "dpa.w.ph $ac2, %[p1], %[filter45] \n\t" + "dpa.w.ph $ac3, %[p2], %[filter45] \n\t" + + "extp %[Temp1], $ac0, 31 \n\t" + "extp %[Temp2], $ac1, 31 \n\t" + + "lbux %[store1], %[Temp1](%[cm]) \n\t" + "extp %[Temp1], $ac2, 31 \n\t" + + "lbux %[store2], %[Temp2](%[cm]) \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), [p1] "=&r"(p1), + [p2] "=&r"(p2), [scratch1] "=&r"(scratch1), [Temp1] "=&r"(Temp1), + [Temp2] "=&r"(Temp2), [store1] "=&r"(store1), + [store2] "=&r"(store2), [src_ptr] "+r"(src_ptr) + : [filter45] "r"(filter45), [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_bi_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 = aom_ff_cropTbl; + uint32_t vector4a = 64; + uint32_t load1, load2; + uint32_t p1, p2; + uint32_t scratch1; + uint32_t store1, store2; + int32_t Temp1, Temp2; + const int16_t *filter = &filter_y[3]; + uint32_t filter45; + + filter45 = ((const int32_t *)filter)[0]; + + for (y = h; y--;) { + /* prefetch data to cache memory */ + prefetch_store(dst + dst_stride); + + 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" + + "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 %[p2], %[p1], %[scratch1] \n\t" /* pixel 2 */ + "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ + + "dpa.w.ph $ac0, %[p1], %[filter45] \n\t" + "dpa.w.ph $ac1, %[p2], %[filter45] \n\t" + + "preceu.ph.qbl %[scratch1], %[load1] \n\t" + "preceu.ph.qbl %[p1], %[load2] \n\t" + + "precrq.ph.w %[p2], %[p1], %[scratch1] \n\t" /* pixel 2 */ + "append %[p1], %[scratch1], 16 \n\t" /* pixel 1 */ + + "dpa.w.ph $ac2, %[p1], %[filter45] \n\t" + "dpa.w.ph $ac3, %[p2], %[filter45] \n\t" + + "extp %[Temp1], $ac0, 31 \n\t" + "extp %[Temp2], $ac1, 31 \n\t" + + "lbux %[store1], %[Temp1](%[cm]) \n\t" + "extp %[Temp1], $ac2, 31 \n\t" + + "lbux %[store2], %[Temp2](%[cm]) \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), [p1] "=&r"(p1), + [p2] "=&r"(p2), [scratch1] "=&r"(scratch1), [Temp1] "=&r"(Temp1), + [Temp2] "=&r"(Temp2), [store1] "=&r"(store1), + [store2] "=&r"(store2), [src_ptr] "+r"(src_ptr) + : [filter45] "r"(filter45), [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 aom_convolve2_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) { + uint32_t pos = 38; + + assert(y_step_q4 == 16); + + /* 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_bi_vert_4_dspr2(src, src_stride, dst, dst_stride, filter_y, w, + h); + break; + case 64: + prefetch_store(dst + 32); + convolve_bi_vert_64_dspr2(src, src_stride, dst, dst_stride, filter_y, h); + break; + default: + aom_convolve8_vert_c(src, src_stride, dst, dst_stride, filter_x, + x_step_q4, filter_y, y_step_q4, w, h); + break; + } +} +#endif |