generic-library/vpx
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

vp8: [loongson] optimize regular quantize v2.

Browse Source 
1. Optimize the memset with mmi.
2. Optimize macro REGULAR_SELECT_EOB.

Change-Id: Icd9c866b0e6aef08874b2f123e9b0e09919445ff
This commit is contained in:
Shiyou Yin 2017-11-29 16:59:22 +08:00
parent 9966cc8d12
commit d49bf26b1c
1 changed files with 51 additions and 26 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

77
vp8/encoder/mips/mmi/vp8_quantize_mmi.c
View File

@ -18,13 +18,14 @@
z = coeff_ptr[rc]; \
sz = (z >> 31); \
x = (z ^ sz) - sz; \
if (x >= (zbin_ptr[rc] + *(zbin_boost_ptr++) + zbin_oq_value)) { \
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; \
x = (y ^ sz) - sz; \
qcoeff_ptr[rc] = x; \
dqcoeff_ptr[rc] = x * dequant_ptr[rc]; \
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; \
} \
@ -198,8 +199,8 @@ void vp8_fast_quantize_b_mmi(BLOCK *b, BLOCKD *d) {
}
void vp8_regular_quantize_b_mmi(BLOCK *b, BLOCKD *d) {
int eob;
int x, y, z, sz;
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;
@ -210,28 +211,52 @@ void vp8_regular_quantize_b_mmi(BLOCK *b, BLOCKD *d) {
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);
// 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"
eob = -1;
"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(0, 0);
REGULAR_SELECT_EOB(1, 1);
REGULAR_SELECT_EOB(2, 4);
REGULAR_SELECT_EOB(3, 8);
REGULAR_SELECT_EOB(4, 5);
REGULAR_SELECT_EOB(5, 2);
REGULAR_SELECT_EOB(6, 3);
REGULAR_SELECT_EOB(7, 6);
REGULAR_SELECT_EOB(8, 9);
REGULAR_SELECT_EOB(9, 12);
REGULAR_SELECT_EOB(10, 13);
REGULAR_SELECT_EOB(11, 10);
REGULAR_SELECT_EOB(12, 7);
REGULAR_SELECT_EOB(13, 11);
REGULAR_SELECT_EOB(14, 14);
REGULAR_SELECT_EOB(15, 15);
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 + 1);
*d->eob = (char)eob;
}