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Merge "block error sse2: use tran_low_t"

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This commit is contained in:
Johann Koenig
2017-02-24 05:24:34 +00:00
committed by Gerrit Code Review
parent 57e987576f 3c16bbb73b
commit aa911e8b41
2 changed files with 9 additions and 13 deletions
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2
vp9/common/vp9_rtcd_defs.pl
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@@ -125,7 +125,7 @@ if (vpx_config("CONFIG_VP9_TEMPORAL_DENOISING") eq "yes") {
if (vpx_config("CONFIG_VP9_HIGHBITDEPTH") eq "yes") {
add_proto qw/int64_t vp9_block_error/, "const tran_low_t *coeff, const tran_low_t *dqcoeff, intptr_t block_size, int64_t *ssz";
specialize qw/vp9_block_error avx2/;
specialize qw/vp9_block_error avx2 sse2/;
add_proto qw/int64_t vp9_highbd_block_error/, "const tran_low_t *coeff, const tran_low_t *dqcoeff, intptr_t block_size, int64_t *ssz, int bd";
specialize qw/vp9_highbd_block_error sse2/;

20
vp9/encoder/x86/vp9_error_sse2.asm
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@@ -15,8 +15,6 @@
SECTION .text
%if CONFIG_VP9_HIGHBITDEPTH
%else
; int64_t vp9_block_error(int16_t *coeff, int16_t *dqcoeff, intptr_t block_size,
; int64_t *ssz)
@@ -25,14 +23,14 @@ cglobal block_error, 3, 3, 8, uqc, dqc, size, ssz
pxor m4, m4 ; sse accumulator
pxor m6, m6 ; ssz accumulator
pxor m5, m5 ; dedicated zero register
lea uqcq, [uqcq+sizeq*2]
lea dqcq, [dqcq+sizeq*2]
neg sizeq
.loop:
mova m2, [uqcq+sizeq*2]
mova m0, [dqcq+sizeq*2]
mova m3, [uqcq+sizeq*2+mmsize]
mova m1, [dqcq+sizeq*2+mmsize]
LOAD_TRAN_LOW 2, uqcq, 0
LOAD_TRAN_LOW 0, dqcq, 0
LOAD_TRAN_LOW 3, uqcq, 8
LOAD_TRAN_LOW 1, dqcq, 8
INCREMENT_ELEMENTS_TRAN_LOW uqcq, 16
INCREMENT_ELEMENTS_TRAN_LOW dqcq, 16
sub sizeq, 16
psubw m0, m2
psubw m1, m3
; individual errors are max. 15bit+sign, so squares are 30bit, and
@@ -58,8 +56,7 @@ cglobal block_error, 3, 3, 8, uqc, dqc, size, ssz
punpckhdq m3, m5
paddq m6, m7
paddq m6, m3
add sizeq, mmsize
jl .loop
jg .loop
; accumulate horizontally and store in return value
movhlps m5, m4
@@ -77,7 +74,6 @@ cglobal block_error, 3, 3, 8, uqc, dqc, size, ssz
movd edx, m5
%endif
RET
%endif ; CONFIG_VP9_HIGHBITDEPTH
; Compute the sum of squared difference between two tran_low_t vectors.
; Vectors are converted (if necessary) to int16_t for calculations.