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|
;
; SIMD for interpolation
; Copyright 2019 Anton Khirnov <anton@khirnov.net>
;
; This program is free software: you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation, either version 3 of the License, or
; (at your option) any later version.
;
; This program is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
; GNU General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with this program. If not, see <http://www.gnu.org/licenses/>.
;/
%include "config.asm"
%include "x86inc.asm"
%include "util.asm"
SECTION .text
INIT_YMM avx2
cglobal transfer_interp2d_line_cont_4, 7, 8, 6, dst, dst_len, src, src_stride, idx_x, fact_x, fact_y,\
idx_x_val
shl src_strideq, 3
shl dst_lenq, 3
add dstq, dst_lenq
add idx_xq, dst_lenq
lea fact_xq, [fact_xq + 4 * dst_lenq]
neg dst_lenq
; from now on, the register that held the line size is used as the offset into data arrays
%define offsetq dst_lenq
movu m0, [fact_yq]
SPLATPD m1, m0, 1 ; fact y + 1 -> m1
SPLATPD m2, m0, 2 ; fact y + 2 -> m2
SPLATPD m3, m0, 3 ; fact y + 3 -> m3
SPLATPD m0, m0, 0 ; fact y + 0 -> m0
.loop:
mov idx_x_valq, [idx_xq + offsetq]
shl idx_x_valq, 3
xorpd m4, m4
movu m5, [fact_xq + 4 * offsetq]
mulpd m6, m5, [srcq + idx_x_valq]
mulpd m6, m0
add idx_x_valq, src_strideq
mulpd m7, m5, [srcq + idx_x_valq]
vfmadd231pd m6, m7, m1
add idx_x_valq, src_strideq
mulpd m7, m5, [srcq + idx_x_valq]
vfmadd231pd m6, m7, m2
add idx_x_valq, src_strideq
mulpd m7, m5, [srcq + idx_x_valq]
vfmadd231pd m6, m7, m3
haddpd m6, m6
vpermq m6, m6, 00001000b
haddpd m6, m6
movq [dstq + offsetq], xm6
add offsetq, 8
js .loop
RET
INIT_YMM avx2
cglobal transfer_interp2d_line_cont_6, 7, 9, 11, dst, dst_len, src, src_stride, idx_x, fact_x, fact_y,\
idx_x_val, offset6
shl src_strideq, 3
shl dst_lenq, 3
add dstq, dst_lenq
add idx_xq, dst_lenq
lea fact_xq, [fact_xq + 4 * dst_lenq]
lea fact_xq, [fact_xq + 2 * dst_lenq]
neg dst_lenq
; from now on, the register that held the line size is used as the offset into data arrays
%define offsetq dst_lenq
lea offset6q, [offsetq + 2 * offsetq]
add offset6q, offset6q
movu m0, [fact_yq]
SPLATPD m1, m0, 1 ; fact y + 1 -> m1
SPLATPD m2, m0, 2 ; fact y + 2 -> m2
SPLATPD m3, m0, 3 ; fact y + 3 -> m3
SPLATPD m0, m0, 0 ; fact y + 0 -> m0
movu xm4, [fact_yq + 8 * 4]
SPLATPD m5, m4, 1
SPLATPD m4, m4, 0
.loop:
mov idx_x_valq, [idx_xq + offsetq]
shl idx_x_valq, 3
movu m6, [fact_xq + offset6q]
movu xm7, [fact_xq + offset6q + mmsize]
mulpd m8, m6, [srcq + idx_x_valq]
mulpd xm9, xm7, [srcq + idx_x_valq + mmsize]
mulpd m8, m0
mulpd m9, m0
add idx_x_valq, src_strideq
mulpd m10, m6, [srcq + idx_x_valq]
vfmadd231pd m8, m10, m1
mulpd xm11, xm7, [srcq + idx_x_valq + mmsize]
vfmadd231pd m9, m11, m1
add idx_x_valq, src_strideq
mulpd m10, m6, [srcq + idx_x_valq]
vfmadd231pd m8, m10, m2
mulpd xm11, xm7, [srcq + idx_x_valq + mmsize]
vfmadd231pd m9, m11, m2
add idx_x_valq, src_strideq
mulpd m10, m6, [srcq + idx_x_valq]
vfmadd231pd m8, m10, m3
mulpd xm11, xm7, [srcq + idx_x_valq + mmsize]
vfmadd231pd m9, m11, m3
add idx_x_valq, src_strideq
mulpd m10, m6, [srcq + idx_x_valq]
vfmadd231pd m8, m10, m4
mulpd xm11, xm7, [srcq + idx_x_valq + mmsize]
vfmadd231pd m9, m11, m4
add idx_x_valq, src_strideq
mulpd m10, m6, [srcq + idx_x_valq]
vfmadd231pd m8, m10, m5
mulpd xm11, xm7, [srcq + idx_x_valq + mmsize]
vfmadd231pd m9, m11, m5
haddpd m8, m9
vpermq m9, m8, 10b
haddpd xm8, xm8
addpd m8, m9
movq [dstq + offsetq], xm8
add offsetq, 8
add offset6q, 8 * 6
js .loop
RET
|
