ref: e8b818b581b9ab7e9c8f7b1becd753dd4efbdf43
dir: /vp8/encoder/mips/mmi/vp8_quantize_mmi.c/
/*
* Copyright (c) 2017 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 "vpx_mem/vpx_mem.h"
#include "vpx_ports/asmdefs_mmi.h"
#include "vp8/encoder/onyx_int.h"
#include "vp8/encoder/quantize.h"
#include "vp8/common/quant_common.h"
#define REGULAR_SELECT_EOB(i, rc) \
z = coeff_ptr[rc]; \
sz = (z >> 31); \
x = (z ^ sz) - sz; \
zbin = zbin_ptr[rc] + *(zbin_boost_ptr++) + zbin_oq_value; \
if (x >= zbin) { \
x += round_ptr[rc]; \
y = ((((x * quant_ptr[rc]) >> 16) + x) * quant_shift_ptr[rc]) >> 16; \
if (y) { \
x = (y ^ sz) - sz; \
qcoeff_ptr[rc] = x; \
dqcoeff_ptr[rc] = x * dequant_ptr[rc]; \
eob = i; \
zbin_boost_ptr = b->zrun_zbin_boost; \
} \
}
void vp8_fast_quantize_b_mmi(BLOCK *b, BLOCKD *d) {
const int16_t *coeff_ptr = b->coeff;
const int16_t *round_ptr = b->round;
const int16_t *quant_ptr = b->quant_fast;
int16_t *qcoeff_ptr = d->qcoeff;
int16_t *dqcoeff_ptr = d->dqcoeff;
const int16_t *dequant_ptr = d->dequant;
const int16_t *inv_zig_zag = vp8_default_inv_zig_zag;
double ftmp[13];
uint64_t tmp[1];
DECLARE_ALIGNED(8, const uint64_t, ones) = { 0xffffffffffffffffULL };
int eob = 0;
__asm__ volatile(
// loop 0 ~ 7
"xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
"gsldlc1 %[ftmp1], 0x07(%[coeff_ptr]) \n\t"
"gsldrc1 %[ftmp1], 0x00(%[coeff_ptr]) \n\t"
"li %[tmp0], 0x0f \n\t"
"mtc1 %[tmp0], %[ftmp9] \n\t"
"gsldlc1 %[ftmp2], 0x0f(%[coeff_ptr]) \n\t"
"gsldrc1 %[ftmp2], 0x08(%[coeff_ptr]) \n\t"
"psrah %[ftmp3], %[ftmp1], %[ftmp9] \n\t"
"xor %[ftmp1], %[ftmp3], %[ftmp1] \n\t"
"psubh %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
"psrah %[ftmp4], %[ftmp2], %[ftmp9] \n\t"
"xor %[ftmp2], %[ftmp4], %[ftmp2] \n\t"
"psubh %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
"gsldlc1 %[ftmp5], 0x07(%[round_ptr]) \n\t"
"gsldrc1 %[ftmp5], 0x00(%[round_ptr]) \n\t"
"gsldlc1 %[ftmp6], 0x0f(%[round_ptr]) \n\t"
"gsldrc1 %[ftmp6], 0x08(%[round_ptr]) \n\t"
"paddh %[ftmp5], %[ftmp5], %[ftmp1] \n\t"
"paddh %[ftmp6], %[ftmp6], %[ftmp2] \n\t"
"gsldlc1 %[ftmp7], 0x07(%[quant_ptr]) \n\t"
"gsldrc1 %[ftmp7], 0x00(%[quant_ptr]) \n\t"
"gsldlc1 %[ftmp8], 0x0f(%[quant_ptr]) \n\t"
"gsldrc1 %[ftmp8], 0x08(%[quant_ptr]) \n\t"
"pmulhuh %[ftmp5], %[ftmp5], %[ftmp7] \n\t"
"pmulhuh %[ftmp6], %[ftmp6], %[ftmp8] \n\t"
"xor %[ftmp7], %[ftmp5], %[ftmp3] \n\t"
"xor %[ftmp8], %[ftmp6], %[ftmp4] \n\t"
"psubh %[ftmp7], %[ftmp7], %[ftmp3] \n\t"
"psubh %[ftmp8], %[ftmp8], %[ftmp4] \n\t"
"gssdlc1 %[ftmp7], 0x07(%[qcoeff_ptr]) \n\t"
"gssdrc1 %[ftmp7], 0x00(%[qcoeff_ptr]) \n\t"
"gssdlc1 %[ftmp8], 0x0f(%[qcoeff_ptr]) \n\t"
"gssdrc1 %[ftmp8], 0x08(%[qcoeff_ptr]) \n\t"
"gsldlc1 %[ftmp1], 0x07(%[inv_zig_zag]) \n\t"
"gsldrc1 %[ftmp1], 0x00(%[inv_zig_zag]) \n\t"
"gsldlc1 %[ftmp2], 0x0f(%[inv_zig_zag]) \n\t"
"gsldrc1 %[ftmp2], 0x08(%[inv_zig_zag]) \n\t"
"pcmpeqh %[ftmp5], %[ftmp5], %[ftmp0] \n\t"
"pcmpeqh %[ftmp6], %[ftmp6], %[ftmp0] \n\t"
"xor %[ftmp5], %[ftmp5], %[ones] \n\t"
"xor %[ftmp6], %[ftmp6], %[ones] \n\t"
"and %[ftmp5], %[ftmp5], %[ftmp1] \n\t"
"and %[ftmp6], %[ftmp6], %[ftmp2] \n\t"
"pmaxsh %[ftmp10], %[ftmp5], %[ftmp6] \n\t"
"gsldlc1 %[ftmp5], 0x07(%[dequant_ptr]) \n\t"
"gsldrc1 %[ftmp5], 0x00(%[dequant_ptr]) \n\t"
"gsldlc1 %[ftmp6], 0x0f(%[dequant_ptr]) \n\t"
"gsldrc1 %[ftmp6], 0x08(%[dequant_ptr]) \n\t"
"pmullh %[ftmp5], %[ftmp5], %[ftmp7] \n\t"
"pmullh %[ftmp6], %[ftmp6], %[ftmp8] \n\t"
"gssdlc1 %[ftmp5], 0x07(%[dqcoeff_ptr]) \n\t"
"gssdrc1 %[ftmp5], 0x00(%[dqcoeff_ptr]) \n\t"
"gssdlc1 %[ftmp6], 0x0f(%[dqcoeff_ptr]) \n\t"
"gssdrc1 %[ftmp6], 0x08(%[dqcoeff_ptr]) \n\t"
// loop 8 ~ 15
"gsldlc1 %[ftmp1], 0x17(%[coeff_ptr]) \n\t"
"gsldrc1 %[ftmp1], 0x10(%[coeff_ptr]) \n\t"
"gsldlc1 %[ftmp2], 0x1f(%[coeff_ptr]) \n\t"
"gsldrc1 %[ftmp2], 0x18(%[coeff_ptr]) \n\t"
"psrah %[ftmp3], %[ftmp1], %[ftmp9] \n\t"
"xor %[ftmp1], %[ftmp3], %[ftmp1] \n\t"
"psubh %[ftmp1], %[ftmp1], %[ftmp3] \n\t"
"psrah %[ftmp4], %[ftmp2], %[ftmp9] \n\t"
"xor %[ftmp2], %[ftmp4], %[ftmp2] \n\t"
"psubh %[ftmp2], %[ftmp2], %[ftmp4] \n\t"
"gsldlc1 %[ftmp5], 0x17(%[round_ptr]) \n\t"
"gsldrc1 %[ftmp5], 0x10(%[round_ptr]) \n\t"
"gsldlc1 %[ftmp6], 0x1f(%[round_ptr]) \n\t"
"gsldrc1 %[ftmp6], 0x18(%[round_ptr]) \n\t"
"paddh %[ftmp5], %[ftmp5], %[ftmp1] \n\t"
"paddh %[ftmp6], %[ftmp6], %[ftmp2] \n\t"
"gsldlc1 %[ftmp7], 0x17(%[quant_ptr]) \n\t"
"gsldrc1 %[ftmp7], 0x10(%[quant_ptr]) \n\t"
"gsldlc1 %[ftmp8], 0x1f(%[quant_ptr]) \n\t"
"gsldrc1 %[ftmp8], 0x18(%[quant_ptr]) \n\t"
"pmulhuh %[ftmp5], %[ftmp5], %[ftmp7] \n\t"
"pmulhuh %[ftmp6], %[ftmp6], %[ftmp8] \n\t"
"xor %[ftmp7], %[ftmp5], %[ftmp3] \n\t"
"xor %[ftmp8], %[ftmp6], %[ftmp4] \n\t"
"psubh %[ftmp7], %[ftmp7], %[ftmp3] \n\t"
"psubh %[ftmp8], %[ftmp8], %[ftmp4] \n\t"
"gssdlc1 %[ftmp7], 0x17(%[qcoeff_ptr]) \n\t"
"gssdrc1 %[ftmp7], 0x10(%[qcoeff_ptr]) \n\t"
"gssdlc1 %[ftmp8], 0x1f(%[qcoeff_ptr]) \n\t"
"gssdrc1 %[ftmp8], 0x18(%[qcoeff_ptr]) \n\t"
"gsldlc1 %[ftmp1], 0x17(%[inv_zig_zag]) \n\t"
"gsldrc1 %[ftmp1], 0x10(%[inv_zig_zag]) \n\t"
"gsldlc1 %[ftmp2], 0x1f(%[inv_zig_zag]) \n\t"
"gsldrc1 %[ftmp2], 0x18(%[inv_zig_zag]) \n\t"
"pcmpeqh %[ftmp5], %[ftmp5], %[ftmp0] \n\t"
"pcmpeqh %[ftmp6], %[ftmp6], %[ftmp0] \n\t"
"xor %[ftmp5], %[ftmp5], %[ones] \n\t"
"xor %[ftmp6], %[ftmp6], %[ones] \n\t"
"and %[ftmp5], %[ftmp5], %[ftmp1] \n\t"
"and %[ftmp6], %[ftmp6], %[ftmp2] \n\t"
"pmaxsh %[ftmp11], %[ftmp5], %[ftmp6] \n\t"
"gsldlc1 %[ftmp5], 0x17(%[dequant_ptr]) \n\t"
"gsldrc1 %[ftmp5], 0x10(%[dequant_ptr]) \n\t"
"gsldlc1 %[ftmp6], 0x1f(%[dequant_ptr]) \n\t"
"gsldrc1 %[ftmp6], 0x18(%[dequant_ptr]) \n\t"
"pmullh %[ftmp5], %[ftmp5], %[ftmp7] \n\t"
"pmullh %[ftmp6], %[ftmp6], %[ftmp8] \n\t"
"gssdlc1 %[ftmp5], 0x17(%[dqcoeff_ptr]) \n\t"
"gssdrc1 %[ftmp5], 0x10(%[dqcoeff_ptr]) \n\t"
"gssdlc1 %[ftmp6], 0x1f(%[dqcoeff_ptr]) \n\t"
"gssdrc1 %[ftmp6], 0x18(%[dqcoeff_ptr]) \n\t"
"li %[tmp0], 0x10 \n\t"
"mtc1 %[tmp0], %[ftmp9] \n\t"
"pmaxsh %[ftmp10], %[ftmp10], %[ftmp11] \n\t"
"psrlw %[ftmp11], %[ftmp10], %[ftmp9] \n\t"
"pmaxsh %[ftmp10], %[ftmp10], %[ftmp11] \n\t"
"li %[tmp0], 0xaa \n\t"
"mtc1 %[tmp0], %[ftmp9] \n\t"
"pshufh %[ftmp11], %[ftmp10], %[ftmp9] \n\t"
"pmaxsh %[ftmp10], %[ftmp10], %[ftmp11] \n\t"
"li %[tmp0], 0xffff \n\t"
"mtc1 %[tmp0], %[ftmp9] \n\t"
"and %[ftmp10], %[ftmp10], %[ftmp9] \n\t"
"gssdlc1 %[ftmp10], 0x07(%[eob]) \n\t"
"gssdrc1 %[ftmp10], 0x00(%[eob]) \n\t"
: [ftmp0] "=&f"(ftmp[0]), [ftmp1] "=&f"(ftmp[1]), [ftmp2] "=&f"(ftmp[2]),
[ftmp3] "=&f"(ftmp[3]), [ftmp4] "=&f"(ftmp[4]), [ftmp5] "=&f"(ftmp[5]),
[ftmp6] "=&f"(ftmp[6]), [ftmp7] "=&f"(ftmp[7]), [ftmp8] "=&f"(ftmp[8]),
[ftmp9] "=&f"(ftmp[9]), [ftmp10] "=&f"(ftmp[10]),
[ftmp11] "=&f"(ftmp[11]), [ftmp12] "=&f"(ftmp[12]), [tmp0] "=&r"(tmp[0])
: [coeff_ptr] "r"((mips_reg)coeff_ptr),
[qcoeff_ptr] "r"((mips_reg)qcoeff_ptr),
[dequant_ptr] "r"((mips_reg)dequant_ptr),
[round_ptr] "r"((mips_reg)round_ptr),
[quant_ptr] "r"((mips_reg)quant_ptr),
[dqcoeff_ptr] "r"((mips_reg)dqcoeff_ptr),
[inv_zig_zag] "r"((mips_reg)inv_zig_zag), [eob] "r"((mips_reg)&eob),
[ones] "f"(ones)
: "memory");
*d->eob = eob;
}
void vp8_regular_quantize_b_mmi(BLOCK *b, BLOCKD *d) {
int eob = 0;
int x, y, z, sz, zbin;
const int16_t *zbin_boost_ptr = b->zrun_zbin_boost;
const int16_t *coeff_ptr = b->coeff;
const int16_t *zbin_ptr = b->zbin;
const int16_t *round_ptr = b->round;
const int16_t *quant_ptr = b->quant;
const int16_t *quant_shift_ptr = b->quant_shift;
int16_t *qcoeff_ptr = d->qcoeff;
int16_t *dqcoeff_ptr = d->dqcoeff;
const int16_t *dequant_ptr = d->dequant;
const int16_t zbin_oq_value = b->zbin_extra;
register double ftmp0 asm("$f0");
// memset(qcoeff_ptr, 0, 32);
// memset(dqcoeff_ptr, 0, 32);
/* clang-format off */
__asm__ volatile (
"xor %[ftmp0], %[ftmp0], %[ftmp0] \n\t"
"gssdlc1 %[ftmp0], 0x07(%[qcoeff_ptr]) \n\t"
"gssdrc1 %[ftmp0], 0x00(%[qcoeff_ptr]) \n\t"
"gssdlc1 %[ftmp0], 0x0f(%[qcoeff_ptr]) \n\t"
"gssdrc1 %[ftmp0], 0x08(%[qcoeff_ptr]) \n\t"
"gssdlc1 %[ftmp0], 0x17(%[qcoeff_ptr]) \n\t"
"gssdrc1 %[ftmp0], 0x10(%[qcoeff_ptr]) \n\t"
"gssdlc1 %[ftmp0], 0x1f(%[qcoeff_ptr]) \n\t"
"gssdrc1 %[ftmp0], 0x18(%[qcoeff_ptr]) \n\t"
"gssdlc1 %[ftmp0], 0x07(%[dqcoeff_ptr]) \n\t"
"gssdrc1 %[ftmp0], 0x00(%[dqcoeff_ptr]) \n\t"
"gssdlc1 %[ftmp0], 0x0f(%[dqcoeff_ptr]) \n\t"
"gssdrc1 %[ftmp0], 0x08(%[dqcoeff_ptr]) \n\t"
"gssdlc1 %[ftmp0], 0x17(%[dqcoeff_ptr]) \n\t"
"gssdrc1 %[ftmp0], 0x10(%[dqcoeff_ptr]) \n\t"
"gssdlc1 %[ftmp0], 0x1f(%[dqcoeff_ptr]) \n\t"
"gssdrc1 %[ftmp0], 0x18(%[dqcoeff_ptr]) \n\t"
: [ftmp0]"=&f"(ftmp0)
: [qcoeff_ptr]"r"(qcoeff_ptr), [dqcoeff_ptr]"r"(dqcoeff_ptr)
: "memory"
);
/* clang-format on */
REGULAR_SELECT_EOB(1, 0);
REGULAR_SELECT_EOB(2, 1);
REGULAR_SELECT_EOB(3, 4);
REGULAR_SELECT_EOB(4, 8);
REGULAR_SELECT_EOB(5, 5);
REGULAR_SELECT_EOB(6, 2);
REGULAR_SELECT_EOB(7, 3);
REGULAR_SELECT_EOB(8, 6);
REGULAR_SELECT_EOB(9, 9);
REGULAR_SELECT_EOB(10, 12);
REGULAR_SELECT_EOB(11, 13);
REGULAR_SELECT_EOB(12, 10);
REGULAR_SELECT_EOB(13, 7);
REGULAR_SELECT_EOB(14, 11);
REGULAR_SELECT_EOB(15, 14);
REGULAR_SELECT_EOB(16, 15);
*d->eob = (char)eob;
}