ref: bd990cad72ecdc864ebfd4470dbbd747974f3aa9
parent: cbe62b9c2d2b006aba52c8eebe7d842e59166fe4
author: Johann <johannkoenig@google.com>
date: Wed Aug 23 11:27:25 EDT 2017
quantize x86: dedup some parts Change-Id: I9f95f47bc7ecbb7980f21cbc3a91f699624141af
--- a/vpx_dsp/vpx_dsp.mk
+++ b/vpx_dsp/vpx_dsp.mk
@@ -279,6 +279,7 @@
DSP_SRCS-yes += quantize.c
DSP_SRCS-yes += quantize.h
+DSP_SRCS-$(HAVE_SSE2) += x86/quantize_x86.h
DSP_SRCS-$(HAVE_SSE2) += x86/quantize_sse2.c
DSP_SRCS-$(HAVE_SSSE3) += x86/quantize_ssse3.c
DSP_SRCS-$(HAVE_AVX) += x86/quantize_avx.c
--- a/vpx_dsp/x86/quantize_avx.c
+++ b/vpx_dsp/x86/quantize_avx.c
@@ -17,6 +17,7 @@
#include "./vpx_dsp_rtcd.h"
#include "vpx/vpx_integer.h"
#include "vpx_dsp/x86/bitdepth_conversion_sse2.h"
+#include "vpx_dsp/x86/quantize_x86.h"
void vpx_quantize_b_avx(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
int skip_block, const int16_t *zbin_ptr,
@@ -34,9 +35,7 @@
__m128i qcoeff0, qcoeff1;
__m128i cmp_mask0, cmp_mask1;
__m128i all_zero;
- __m128i qtmp0, qtmp1;
- __m128i zero_coeff0, zero_coeff1, iscan0, iscan1;
- __m128i eob = zero, eob0, eob1;
+ __m128i eob = zero, eob0;
(void)scan_ptr;
(void)skip_block;
@@ -44,15 +43,8 @@
*eob_ptr = 0;
- // Setup global values.
- zbin = _mm_load_si128((const __m128i *)zbin_ptr);
- // x86 has no "greater *or equal*" comparison. Subtract 1 from zbin so
- // it is a strict "greater" comparison.
- zbin = _mm_sub_epi16(zbin, _mm_set1_epi16(1));
- round = _mm_load_si128((const __m128i *)round_ptr);
- quant = _mm_load_si128((const __m128i *)quant_ptr);
- dequant = _mm_load_si128((const __m128i *)dequant_ptr);
- shift = _mm_load_si128((const __m128i *)quant_shift_ptr);
+ load_b_values(zbin_ptr, &zbin, round_ptr, &round, quant_ptr, &quant,
+ dequant_ptr, &dequant, quant_shift_ptr, &shift);
// Do DC and first 15 AC.
coeff0 = load_tran_low(coeff_ptr);
@@ -81,20 +73,11 @@
shift = _mm_unpackhi_epi64(shift, shift);
dequant = _mm_unpackhi_epi64(dequant, dequant);
} else {- qcoeff0 = _mm_adds_epi16(qcoeff0, round);
+ calculate_qcoeff(&qcoeff0, round, quant, shift);
round = _mm_unpackhi_epi64(round, round);
- qcoeff1 = _mm_adds_epi16(qcoeff1, round);
-
- qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
quant = _mm_unpackhi_epi64(quant, quant);
- qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
-
- qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
- qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
-
- qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
shift = _mm_unpackhi_epi64(shift, shift);
- qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
+ calculate_qcoeff(&qcoeff1, round, quant, shift);
// Reinsert signs
qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0);
@@ -107,24 +90,15 @@
store_tran_low(qcoeff0, qcoeff_ptr);
store_tran_low(qcoeff1, qcoeff_ptr + 8);
- coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
+ coeff0 = calculate_dqcoeff(qcoeff0, dequant);
dequant = _mm_unpackhi_epi64(dequant, dequant);
- coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
+ coeff1 = calculate_dqcoeff(qcoeff1, dequant);
store_tran_low(coeff0, dqcoeff_ptr);
store_tran_low(coeff1, dqcoeff_ptr + 8);
- // Scan for eob.
- zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
- zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
- iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr));
- iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + 8));
- // Add one to convert from indices to counts
- iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
- iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
- eob = _mm_andnot_si128(zero_coeff0, iscan0);
- eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
- eob = _mm_max_epi16(eob, eob1);
+ eob = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr, 0,
+ zero);
}
// AC only loop.
@@ -149,18 +123,9 @@
continue;
}
- qcoeff0 = _mm_adds_epi16(qcoeff0, round);
- qcoeff1 = _mm_adds_epi16(qcoeff1, round);
+ calculate_qcoeff(&qcoeff0, round, quant, shift);
+ calculate_qcoeff(&qcoeff1, round, quant, shift);
- qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
- qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
-
- qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
- qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
-
- qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
- qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
-
qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0);
qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1);
@@ -170,35 +135,18 @@
store_tran_low(qcoeff0, qcoeff_ptr + index);
store_tran_low(qcoeff1, qcoeff_ptr + index + 8);
- coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
- coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
+ coeff0 = calculate_dqcoeff(qcoeff0, dequant);
+ coeff1 = calculate_dqcoeff(qcoeff1, dequant);
store_tran_low(coeff0, dqcoeff_ptr + index);
store_tran_low(coeff1, dqcoeff_ptr + index + 8);
- zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
- zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
- iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr + index));
- iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + index + 8));
- iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
- iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
- eob0 = _mm_andnot_si128(zero_coeff0, iscan0);
- eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
- eob0 = _mm_max_epi16(eob0, eob1);
+ eob0 = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr,
+ index, zero);
eob = _mm_max_epi16(eob, eob0);
}
- // Accumulate eob.
- {- __m128i eob_shuffled;
- eob_shuffled = _mm_shuffle_epi32(eob, 0xe);
- eob = _mm_max_epi16(eob, eob_shuffled);
- eob_shuffled = _mm_shufflelo_epi16(eob, 0xe);
- eob = _mm_max_epi16(eob, eob_shuffled);
- eob_shuffled = _mm_shufflelo_epi16(eob, 0x1);
- eob = _mm_max_epi16(eob, eob_shuffled);
- *eob_ptr = _mm_extract_epi16(eob, 1);
- }
+ *eob_ptr = accumulate_eob(eob);
}
void vpx_quantize_b_32x32_avx(
@@ -217,9 +165,7 @@
__m128i qcoeff0, qcoeff1;
__m128i cmp_mask0, cmp_mask1;
__m128i all_zero;
- __m128i qtmp0, qtmp1;
- __m128i zero_coeff0, zero_coeff1, iscan0, iscan1;
- __m128i eob = zero, eob0, eob1;
+ __m128i eob = zero, eob0;
(void)scan_ptr;
(void)n_coeffs;
@@ -226,8 +172,6 @@
(void)skip_block;
assert(!skip_block);
- *eob_ptr = 0;
-
// Setup global values.
// The 32x32 halves zbin and round.
zbin = _mm_load_si128((const __m128i *)zbin_ptr);
@@ -255,7 +199,7 @@
qcoeff1 = _mm_abs_epi16(coeff1);
cmp_mask0 = _mm_cmpgt_epi16(qcoeff0, zbin);
- zbin = _mm_unpackhi_epi64(zbin, zbin); // Switch DC to AC
+ zbin = _mm_unpackhi_epi64(zbin, zbin); // Switch DC to AC.
cmp_mask1 = _mm_cmpgt_epi16(qcoeff1, zbin);
all_zero = _mm_or_si128(cmp_mask0, cmp_mask1);
@@ -272,26 +216,17 @@
shift = _mm_unpackhi_epi64(shift, shift);
dequant = _mm_unpackhi_epi64(dequant, dequant);
} else {- qcoeff0 = _mm_adds_epi16(qcoeff0, round);
+ calculate_qcoeff(&qcoeff0, round, quant, shift);
round = _mm_unpackhi_epi64(round, round);
- qcoeff1 = _mm_adds_epi16(qcoeff1, round);
-
- qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
quant = _mm_unpackhi_epi64(quant, quant);
- qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
-
- qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
- qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
-
- qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
shift = _mm_unpackhi_epi64(shift, shift);
- qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
+ calculate_qcoeff(&qcoeff1, round, quant, shift);
- // Reinsert signs
+ // Reinsert signs.
qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0);
qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1);
- // Mask out zbin threshold coeffs
+ // Mask out zbin threshold coeffs.
qcoeff0 = _mm_and_si128(qcoeff0, cmp_mask0);
qcoeff1 = _mm_and_si128(qcoeff1, cmp_mask1);
@@ -304,9 +239,9 @@
coeff0 = _mm_abs_epi16(qcoeff0);
coeff1 = _mm_abs_epi16(qcoeff1);
- coeff0 = _mm_mullo_epi16(coeff0, dequant);
+ coeff0 = calculate_dqcoeff(coeff0, dequant);
dequant = _mm_unpackhi_epi64(dequant, dequant);
- coeff1 = _mm_mullo_epi16(coeff1, dequant);
+ coeff1 = calculate_dqcoeff(coeff1, dequant);
// "Divide" by 2.
coeff0 = _mm_srli_epi16(coeff0, 1);
@@ -318,17 +253,8 @@
store_tran_low(coeff0, dqcoeff_ptr);
store_tran_low(coeff1, dqcoeff_ptr + 8);
- // Scan for eob.
- zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
- zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
- iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr));
- iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + 8));
- // Add one to convert from indices to counts
- iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
- iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
- eob = _mm_andnot_si128(zero_coeff0, iscan0);
- eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
- eob = _mm_max_epi16(eob, eob1);
+ eob = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr, 0,
+ zero);
}
// AC only loop.
@@ -353,18 +279,9 @@
continue;
}
- qcoeff0 = _mm_adds_epi16(qcoeff0, round);
- qcoeff1 = _mm_adds_epi16(qcoeff1, round);
+ calculate_qcoeff(&qcoeff0, round, quant, shift);
+ calculate_qcoeff(&qcoeff1, round, quant, shift);
- qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
- qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
-
- qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
- qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
-
- qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
- qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
-
qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0);
qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1);
@@ -377,8 +294,8 @@
coeff0 = _mm_abs_epi16(qcoeff0);
coeff1 = _mm_abs_epi16(qcoeff1);
- coeff0 = _mm_mullo_epi16(coeff0, dequant);
- coeff1 = _mm_mullo_epi16(coeff1, dequant);
+ coeff0 = calculate_dqcoeff(coeff0, dequant);
+ coeff1 = calculate_dqcoeff(coeff1, dequant);
coeff0 = _mm_srli_epi16(coeff0, 1);
coeff1 = _mm_srli_epi16(coeff1, 1);
@@ -389,27 +306,10 @@
store_tran_low(coeff0, dqcoeff_ptr + index);
store_tran_low(coeff1, dqcoeff_ptr + index + 8);
- zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
- zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
- iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr + index));
- iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + index + 8));
- iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
- iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
- eob0 = _mm_andnot_si128(zero_coeff0, iscan0);
- eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
- eob0 = _mm_max_epi16(eob0, eob1);
+ eob0 = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr,
+ index, zero);
eob = _mm_max_epi16(eob, eob0);
}
- // Accumulate eob.
- {- __m128i eob_shuffled;
- eob_shuffled = _mm_shuffle_epi32(eob, 0xe);
- eob = _mm_max_epi16(eob, eob_shuffled);
- eob_shuffled = _mm_shufflelo_epi16(eob, 0xe);
- eob = _mm_max_epi16(eob, eob_shuffled);
- eob_shuffled = _mm_shufflelo_epi16(eob, 0x1);
- eob = _mm_max_epi16(eob, eob_shuffled);
- *eob_ptr = _mm_extract_epi16(eob, 1);
- }
+ *eob_ptr = accumulate_eob(eob);
}
--- a/vpx_dsp/x86/quantize_sse2.c
+++ b/vpx_dsp/x86/quantize_sse2.c
@@ -15,6 +15,7 @@
#include "./vpx_dsp_rtcd.h"
#include "vpx/vpx_integer.h"
#include "vpx_dsp/x86/bitdepth_conversion_sse2.h"
+#include "vpx_dsp/x86/quantize_x86.h"
void vpx_quantize_b_sse2(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
int skip_block, const int16_t *zbin_ptr,
@@ -30,9 +31,7 @@
__m128i coeff0, coeff1, coeff0_sign, coeff1_sign;
__m128i qcoeff0, qcoeff1;
__m128i cmp_mask0, cmp_mask1;
- __m128i qtmp0, qtmp1;
- __m128i zero_coeff0, zero_coeff1, iscan0, iscan1;
- __m128i eob, eob0, eob1;
+ __m128i eob, eob0;
(void)scan_ptr;
(void)skip_block;
@@ -39,12 +38,8 @@
assert(!skip_block);
// Setup global values.
- zbin = _mm_load_si128((const __m128i *)zbin_ptr);
- round = _mm_load_si128((const __m128i *)round_ptr);
- quant = _mm_load_si128((const __m128i *)quant_ptr);
- zbin = _mm_sub_epi16(zbin, _mm_set1_epi16(1));
- dequant = _mm_load_si128((const __m128i *)dequant_ptr);
- shift = _mm_load_si128((const __m128i *)quant_shift_ptr);
+ load_b_values(zbin_ptr, &zbin, round_ptr, &round, quant_ptr, &quant,
+ dequant_ptr, &dequant, quant_shift_ptr, &shift);
// Do DC and first 15 AC.
coeff0 = load_tran_low(coeff_ptr);
@@ -53,35 +48,24 @@
// Poor man's abs().
coeff0_sign = _mm_srai_epi16(coeff0, 15);
coeff1_sign = _mm_srai_epi16(coeff1, 15);
- qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign);
- qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign);
- qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
- qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
+ qcoeff0 = invert_sign_sse2(coeff0, coeff0_sign);
+ qcoeff1 = invert_sign_sse2(coeff1, coeff1_sign);
cmp_mask0 = _mm_cmpgt_epi16(qcoeff0, zbin);
zbin = _mm_unpackhi_epi64(zbin, zbin); // Switch DC to AC
cmp_mask1 = _mm_cmpgt_epi16(qcoeff1, zbin);
- qcoeff0 = _mm_adds_epi16(qcoeff0, round);
- round = _mm_unpackhi_epi64(round, round);
- qcoeff1 = _mm_adds_epi16(qcoeff1, round);
+ calculate_qcoeff(&qcoeff0, round, quant, shift);
- qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
+ round = _mm_unpackhi_epi64(round, round);
quant = _mm_unpackhi_epi64(quant, quant);
- qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
-
- qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
- qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
-
- qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
shift = _mm_unpackhi_epi64(shift, shift);
- qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
+ calculate_qcoeff(&qcoeff1, round, quant, shift);
+
// Reinsert signs
- qcoeff0 = _mm_xor_si128(qcoeff0, coeff0_sign);
- qcoeff1 = _mm_xor_si128(qcoeff1, coeff1_sign);
- qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
- qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
+ qcoeff0 = invert_sign_sse2(qcoeff0, coeff0_sign);
+ qcoeff1 = invert_sign_sse2(qcoeff1, coeff1_sign);
// Mask out zbin threshold coeffs
qcoeff0 = _mm_and_si128(qcoeff0, cmp_mask0);
@@ -90,24 +74,15 @@
store_tran_low(qcoeff0, qcoeff_ptr);
store_tran_low(qcoeff1, qcoeff_ptr + 8);
- coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
+ coeff0 = calculate_dqcoeff(qcoeff0, dequant);
dequant = _mm_unpackhi_epi64(dequant, dequant);
- coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
+ coeff1 = calculate_dqcoeff(qcoeff1, dequant);
store_tran_low(coeff0, dqcoeff_ptr);
store_tran_low(coeff1, dqcoeff_ptr + 8);
- // Scan for eob.
- zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
- zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
- iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr));
- iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + 8));
- // Add one to convert from indices to counts
- iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
- iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
- eob = _mm_andnot_si128(zero_coeff0, iscan0);
- eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
- eob = _mm_max_epi16(eob, eob1);
+ eob =
+ scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr, 0, zero);
// AC only loop.
while (index < n_coeffs) {@@ -116,31 +91,18 @@
coeff0_sign = _mm_srai_epi16(coeff0, 15);
coeff1_sign = _mm_srai_epi16(coeff1, 15);
- qcoeff0 = _mm_xor_si128(coeff0, coeff0_sign);
- qcoeff1 = _mm_xor_si128(coeff1, coeff1_sign);
- qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
- qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
+ qcoeff0 = invert_sign_sse2(coeff0, coeff0_sign);
+ qcoeff1 = invert_sign_sse2(coeff1, coeff1_sign);
cmp_mask0 = _mm_cmpgt_epi16(qcoeff0, zbin);
cmp_mask1 = _mm_cmpgt_epi16(qcoeff1, zbin);
- qcoeff0 = _mm_adds_epi16(qcoeff0, round);
- qcoeff1 = _mm_adds_epi16(qcoeff1, round);
+ calculate_qcoeff(&qcoeff0, round, quant, shift);
+ calculate_qcoeff(&qcoeff1, round, quant, shift);
- qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
- qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
+ qcoeff0 = invert_sign_sse2(qcoeff0, coeff0_sign);
+ qcoeff1 = invert_sign_sse2(qcoeff1, coeff1_sign);
- qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
- qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
-
- qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
- qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
-
- qcoeff0 = _mm_xor_si128(qcoeff0, coeff0_sign);
- qcoeff1 = _mm_xor_si128(qcoeff1, coeff1_sign);
- qcoeff0 = _mm_sub_epi16(qcoeff0, coeff0_sign);
- qcoeff1 = _mm_sub_epi16(qcoeff1, coeff1_sign);
-
qcoeff0 = _mm_and_si128(qcoeff0, cmp_mask0);
qcoeff1 = _mm_and_si128(qcoeff1, cmp_mask1);
@@ -147,35 +109,18 @@
store_tran_low(qcoeff0, qcoeff_ptr + index);
store_tran_low(qcoeff1, qcoeff_ptr + index + 8);
- coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
- coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
+ coeff0 = calculate_dqcoeff(qcoeff0, dequant);
+ coeff1 = calculate_dqcoeff(qcoeff1, dequant);
store_tran_low(coeff0, dqcoeff_ptr + index);
store_tran_low(coeff1, dqcoeff_ptr + index + 8);
- zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
- zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
- iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr + index));
- iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + index + 8));
- iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
- iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
- eob0 = _mm_andnot_si128(zero_coeff0, iscan0);
- eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
- eob0 = _mm_max_epi16(eob0, eob1);
+ eob0 = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr,
+ index, zero);
eob = _mm_max_epi16(eob, eob0);
index += 16;
}
- // Accumulate eob.
- {- __m128i eob_shuffled;
- eob_shuffled = _mm_shuffle_epi32(eob, 0xe);
- eob = _mm_max_epi16(eob, eob_shuffled);
- eob_shuffled = _mm_shufflelo_epi16(eob, 0xe);
- eob = _mm_max_epi16(eob, eob_shuffled);
- eob_shuffled = _mm_shufflelo_epi16(eob, 0x1);
- eob = _mm_max_epi16(eob, eob_shuffled);
- *eob_ptr = _mm_extract_epi16(eob, 1);
- }
+ *eob_ptr = accumulate_eob(eob);
}
--- a/vpx_dsp/x86/quantize_ssse3.c
+++ b/vpx_dsp/x86/quantize_ssse3.c
@@ -14,6 +14,7 @@
#include "./vpx_dsp_rtcd.h"
#include "vpx/vpx_integer.h"
#include "vpx_dsp/x86/bitdepth_conversion_sse2.h"
+#include "vpx_dsp/x86/quantize_x86.h"
void vpx_quantize_b_ssse3(const tran_low_t *coeff_ptr, intptr_t n_coeffs,
int skip_block, const int16_t *zbin_ptr,
@@ -23,29 +24,20 @@
const int16_t *dequant_ptr, uint16_t *eob_ptr,
const int16_t *scan_ptr, const int16_t *iscan_ptr) {const __m128i zero = _mm_setzero_si128();
- intptr_t index = 16;
+ int index = 16;
__m128i zbin, round, quant, dequant, shift;
__m128i coeff0, coeff1;
__m128i qcoeff0, qcoeff1;
__m128i cmp_mask0, cmp_mask1;
- __m128i qtmp0, qtmp1;
- __m128i zero_coeff0, zero_coeff1, iscan0, iscan1;
- __m128i eob, eob0, eob1;
+ __m128i eob, eob0;
(void)scan_ptr;
(void)skip_block;
assert(!skip_block);
- // Setup global values.
- zbin = _mm_load_si128((const __m128i *)zbin_ptr);
- // x86 has no "greater *or equal*" comparison. Subtract 1 from zbin so
- // it is a strict "greater" comparison.
- zbin = _mm_sub_epi16(zbin, _mm_set1_epi16(1));
- round = _mm_load_si128((const __m128i *)round_ptr);
- quant = _mm_load_si128((const __m128i *)quant_ptr);
- dequant = _mm_load_si128((const __m128i *)dequant_ptr);
- shift = _mm_load_si128((const __m128i *)quant_shift_ptr);
+ load_b_values(zbin_ptr, &zbin, round_ptr, &round, quant_ptr, &quant,
+ dequant_ptr, &dequant, quant_shift_ptr, &shift);
// Do DC and first 15 AC.
coeff0 = load_tran_low(coeff_ptr);
@@ -58,20 +50,11 @@
zbin = _mm_unpackhi_epi64(zbin, zbin); // Switch DC to AC
cmp_mask1 = _mm_cmpgt_epi16(qcoeff1, zbin);
- qcoeff0 = _mm_adds_epi16(qcoeff0, round);
+ calculate_qcoeff(&qcoeff0, round, quant, shift);
round = _mm_unpackhi_epi64(round, round);
- qcoeff1 = _mm_adds_epi16(qcoeff1, round);
-
- qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
quant = _mm_unpackhi_epi64(quant, quant);
- qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
-
- qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
- qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
-
- qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
shift = _mm_unpackhi_epi64(shift, shift);
- qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
+ calculate_qcoeff(&qcoeff1, round, quant, shift);
// Reinsert signs
qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0);
@@ -84,24 +67,15 @@
store_tran_low(qcoeff0, qcoeff_ptr);
store_tran_low(qcoeff1, qcoeff_ptr + 8);
- coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
+ coeff0 = calculate_dqcoeff(qcoeff0, dequant);
dequant = _mm_unpackhi_epi64(dequant, dequant);
- coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
+ coeff1 = calculate_dqcoeff(qcoeff1, dequant);
store_tran_low(coeff0, dqcoeff_ptr);
store_tran_low(coeff1, dqcoeff_ptr + 8);
- // Scan for eob.
- zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
- zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
- iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr));
- iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + 8));
- // Add one to convert from indices to counts
- iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
- iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
- eob = _mm_andnot_si128(zero_coeff0, iscan0);
- eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
- eob = _mm_max_epi16(eob, eob1);
+ eob =
+ scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr, 0, zero);
// AC only loop.
while (index < n_coeffs) {@@ -114,18 +88,9 @@
cmp_mask0 = _mm_cmpgt_epi16(qcoeff0, zbin);
cmp_mask1 = _mm_cmpgt_epi16(qcoeff1, zbin);
- qcoeff0 = _mm_adds_epi16(qcoeff0, round);
- qcoeff1 = _mm_adds_epi16(qcoeff1, round);
+ calculate_qcoeff(&qcoeff0, round, quant, shift);
+ calculate_qcoeff(&qcoeff1, round, quant, shift);
- qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
- qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
-
- qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
- qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
-
- qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
- qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
-
qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0);
qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1);
@@ -135,37 +100,20 @@
store_tran_low(qcoeff0, qcoeff_ptr + index);
store_tran_low(qcoeff1, qcoeff_ptr + index + 8);
- coeff0 = _mm_mullo_epi16(qcoeff0, dequant);
- coeff1 = _mm_mullo_epi16(qcoeff1, dequant);
+ coeff0 = calculate_dqcoeff(qcoeff0, dequant);
+ coeff1 = calculate_dqcoeff(qcoeff1, dequant);
store_tran_low(coeff0, dqcoeff_ptr + index);
store_tran_low(coeff1, dqcoeff_ptr + index + 8);
- zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
- zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
- iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr + index));
- iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + index + 8));
- iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
- iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
- eob0 = _mm_andnot_si128(zero_coeff0, iscan0);
- eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
- eob0 = _mm_max_epi16(eob0, eob1);
+ eob0 = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr,
+ index, zero);
eob = _mm_max_epi16(eob, eob0);
index += 16;
}
- // Accumulate eob.
- {- __m128i eob_shuffled;
- eob_shuffled = _mm_shuffle_epi32(eob, 0xe);
- eob = _mm_max_epi16(eob, eob_shuffled);
- eob_shuffled = _mm_shufflelo_epi16(eob, 0xe);
- eob = _mm_max_epi16(eob, eob_shuffled);
- eob_shuffled = _mm_shufflelo_epi16(eob, 0x1);
- eob = _mm_max_epi16(eob, eob_shuffled);
- *eob_ptr = _mm_extract_epi16(eob, 1);
- }
+ *eob_ptr = accumulate_eob(eob);
}
void vpx_quantize_b_32x32_ssse3(
@@ -176,7 +124,7 @@
const int16_t *scan_ptr, const int16_t *iscan_ptr) {const __m128i zero = _mm_setzero_si128();
const __m128i one = _mm_set1_epi16(1);
- intptr_t index = 16;
+ int index;
__m128i zbin, round, quant, dequant, shift;
__m128i coeff0, coeff1;
@@ -183,9 +131,7 @@
__m128i qcoeff0, qcoeff1;
__m128i cmp_mask0, cmp_mask1;
__m128i all_zero;
- __m128i qtmp0, qtmp1;
- __m128i zero_coeff0, zero_coeff1, iscan0, iscan1;
- __m128i eob = zero, eob0, eob1;
+ __m128i eob = zero, eob0;
(void)scan_ptr;
(void)n_coeffs;
@@ -236,7 +182,7 @@
_mm_store_si128((__m128i *)(qcoeff_ptr + 12), zero);
_mm_store_si128((__m128i *)(dqcoeff_ptr + 4), zero);
_mm_store_si128((__m128i *)(dqcoeff_ptr + 12), zero);
-#endif
+#endif // CONFIG_HIGHBITDEPTH
round = _mm_unpackhi_epi64(round, round);
quant = _mm_unpackhi_epi64(quant, quant);
@@ -243,20 +189,11 @@
shift = _mm_unpackhi_epi64(shift, shift);
dequant = _mm_unpackhi_epi64(dequant, dequant);
} else {- qcoeff0 = _mm_adds_epi16(qcoeff0, round);
+ calculate_qcoeff(&qcoeff0, round, quant, shift);
round = _mm_unpackhi_epi64(round, round);
- qcoeff1 = _mm_adds_epi16(qcoeff1, round);
-
- qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
quant = _mm_unpackhi_epi64(quant, quant);
- qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
-
- qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
- qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
-
- qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
shift = _mm_unpackhi_epi64(shift, shift);
- qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
+ calculate_qcoeff(&qcoeff1, round, quant, shift);
// Reinsert signs.
qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0);
@@ -275,9 +212,9 @@
coeff0 = _mm_abs_epi16(qcoeff0);
coeff1 = _mm_abs_epi16(qcoeff1);
- coeff0 = _mm_mullo_epi16(coeff0, dequant);
+ coeff0 = calculate_dqcoeff(coeff0, dequant);
dequant = _mm_unpackhi_epi64(dequant, dequant);
- coeff1 = _mm_mullo_epi16(coeff1, dequant);
+ coeff1 = calculate_dqcoeff(coeff1, dequant);
// "Divide" by 2.
coeff0 = _mm_srli_epi16(coeff0, 1);
@@ -289,17 +226,8 @@
store_tran_low(coeff0, dqcoeff_ptr);
store_tran_low(coeff1, dqcoeff_ptr + 8);
- // Scan for eob.
- zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
- zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
- iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr));
- iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + 8));
- // Add one to convert from indices to counts.
- iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
- iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
- eob = _mm_andnot_si128(zero_coeff0, iscan0);
- eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
- eob = _mm_max_epi16(eob, eob1);
+ eob = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr, 0,
+ zero);
}
// AC only loop.
@@ -324,22 +252,13 @@
_mm_store_si128((__m128i *)(qcoeff_ptr + index + 12), zero);
_mm_store_si128((__m128i *)(dqcoeff_ptr + index + 4), zero);
_mm_store_si128((__m128i *)(dqcoeff_ptr + index + 12), zero);
-#endif
+#endif // CONFIG_VP9_HIGHBITDEPTH
continue;
}
- qcoeff0 = _mm_adds_epi16(qcoeff0, round);
- qcoeff1 = _mm_adds_epi16(qcoeff1, round);
+ calculate_qcoeff(&qcoeff0, round, quant, shift);
+ calculate_qcoeff(&qcoeff1, round, quant, shift);
- qtmp0 = _mm_mulhi_epi16(qcoeff0, quant);
- qtmp1 = _mm_mulhi_epi16(qcoeff1, quant);
-
- qtmp0 = _mm_add_epi16(qtmp0, qcoeff0);
- qtmp1 = _mm_add_epi16(qtmp1, qcoeff1);
-
- qcoeff0 = _mm_mulhi_epi16(qtmp0, shift);
- qcoeff1 = _mm_mulhi_epi16(qtmp1, shift);
-
qcoeff0 = _mm_sign_epi16(qcoeff0, coeff0);
qcoeff1 = _mm_sign_epi16(qcoeff1, coeff1);
@@ -352,8 +271,8 @@
coeff0 = _mm_abs_epi16(qcoeff0);
coeff1 = _mm_abs_epi16(qcoeff1);
- coeff0 = _mm_mullo_epi16(coeff0, dequant);
- coeff1 = _mm_mullo_epi16(coeff1, dequant);
+ coeff0 = calculate_dqcoeff(coeff0, dequant);
+ coeff1 = calculate_dqcoeff(coeff1, dequant);
coeff0 = _mm_srli_epi16(coeff0, 1);
coeff1 = _mm_srli_epi16(coeff1, 1);
@@ -364,26 +283,10 @@
store_tran_low(coeff0, dqcoeff_ptr + index);
store_tran_low(coeff1, dqcoeff_ptr + index + 8);
- zero_coeff0 = _mm_cmpeq_epi16(coeff0, zero);
- zero_coeff1 = _mm_cmpeq_epi16(coeff1, zero);
- iscan0 = _mm_load_si128((const __m128i *)(iscan_ptr + index));
- iscan1 = _mm_load_si128((const __m128i *)(iscan_ptr + index + 8));
- iscan0 = _mm_sub_epi16(iscan0, cmp_mask0);
- iscan1 = _mm_sub_epi16(iscan1, cmp_mask1);
- eob0 = _mm_andnot_si128(zero_coeff0, iscan0);
- eob1 = _mm_andnot_si128(zero_coeff1, iscan1);
- eob0 = _mm_max_epi16(eob0, eob1);
+ eob0 = scan_for_eob(&coeff0, &coeff1, cmp_mask0, cmp_mask1, iscan_ptr,
+ index, zero);
eob = _mm_max_epi16(eob, eob0);
}
- {- __m128i eob_shuffled;
- eob_shuffled = _mm_shuffle_epi32(eob, 0xe);
- eob = _mm_max_epi16(eob, eob_shuffled);
- eob_shuffled = _mm_shufflelo_epi16(eob, 0xe);
- eob = _mm_max_epi16(eob, eob_shuffled);
- eob_shuffled = _mm_shufflelo_epi16(eob, 0x1);
- eob = _mm_max_epi16(eob, eob_shuffled);
- *eob_ptr = _mm_extract_epi16(eob, 1);
- }
+ *eob_ptr = accumulate_eob(eob);
}
--- /dev/null
+++ b/vpx_dsp/x86/quantize_x86.h
@@ -1,0 +1,78 @@
+/*
+ * 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 <emmintrin.h>
+
+#include "./vpx_config.h"
+#include "vpx/vpx_integer.h"
+#include "vpx_dsp/x86/bitdepth_conversion_sse2.h"
+
+static INLINE void load_b_values(const int16_t *zbin_ptr, __m128i *zbin,
+ const int16_t *round_ptr, __m128i *round,
+ const int16_t *quant_ptr, __m128i *quant,
+ const int16_t *dequant_ptr, __m128i *dequant,
+ const int16_t *shift_ptr, __m128i *shift) {+ *zbin = _mm_load_si128((const __m128i *)zbin_ptr);
+ *round = _mm_load_si128((const __m128i *)round_ptr);
+ *quant = _mm_load_si128((const __m128i *)quant_ptr);
+ *zbin = _mm_sub_epi16(*zbin, _mm_set1_epi16(1));
+ *dequant = _mm_load_si128((const __m128i *)dequant_ptr);
+ *shift = _mm_load_si128((const __m128i *)shift_ptr);
+}
+
+// With ssse3 and later abs() and sign() are preferred.
+static INLINE __m128i invert_sign_sse2(__m128i a, __m128i sign) {+ a = _mm_xor_si128(a, sign);
+ return _mm_sub_epi16(a, sign);
+}
+
+static INLINE void calculate_qcoeff(__m128i *coeff, const __m128i round,
+ const __m128i quant, const __m128i shift) {+ __m128i tmp, qcoeff;
+ qcoeff = _mm_adds_epi16(*coeff, round);
+ tmp = _mm_mulhi_epi16(qcoeff, quant);
+ qcoeff = _mm_add_epi16(tmp, qcoeff);
+ *coeff = _mm_mulhi_epi16(qcoeff, shift);
+}
+
+static INLINE __m128i calculate_dqcoeff(__m128i qcoeff, __m128i dequant) {+ return _mm_mullo_epi16(qcoeff, dequant);
+}
+
+// Scan 16 values for eob reference in scan_ptr. Use masks (-1) from comparing
+// to zbin to add 1 to the index in 'scan'.
+static INLINE __m128i scan_for_eob(__m128i *coeff0, __m128i *coeff1,
+ const __m128i zbin_mask0,
+ const __m128i zbin_mask1,
+ const int16_t *scan_ptr, const int index,
+ const __m128i zero) {+ const __m128i zero_coeff0 = _mm_cmpeq_epi16(*coeff0, zero);
+ const __m128i zero_coeff1 = _mm_cmpeq_epi16(*coeff1, zero);
+ __m128i scan0 = _mm_load_si128((const __m128i *)(scan_ptr + index));
+ __m128i scan1 = _mm_load_si128((const __m128i *)(scan_ptr + index + 8));
+ __m128i eob0, eob1;
+ // Add one to convert from indices to counts
+ scan0 = _mm_sub_epi16(scan0, zbin_mask0);
+ scan1 = _mm_sub_epi16(scan1, zbin_mask1);
+ eob0 = _mm_andnot_si128(zero_coeff0, scan0);
+ eob1 = _mm_andnot_si128(zero_coeff1, scan1);
+ return _mm_max_epi16(eob0, eob1);
+}
+
+static INLINE int16_t accumulate_eob(__m128i eob) {+ __m128i eob_shuffled;
+ eob_shuffled = _mm_shuffle_epi32(eob, 0xe);
+ eob = _mm_max_epi16(eob, eob_shuffled);
+ eob_shuffled = _mm_shufflelo_epi16(eob, 0xe);
+ eob = _mm_max_epi16(eob, eob_shuffled);
+ eob_shuffled = _mm_shufflelo_epi16(eob, 0x1);
+ eob = _mm_max_epi16(eob, eob_shuffled);
+ return _mm_extract_epi16(eob, 1);
+}