%include "third_party/x86inc/x86inc.asm"
-; This file provides SSSE3 version of the forward transformation. Part
-; of the macro definitions are originally derived from the ffmpeg project.
-; The current version applies to x86 64-bit only.
-
SECTION_RODATA
pw_11585x2: times 8 dw 23170
SECTION .text
%if ARCH_X86_64
-%macro SUM_SUB 3
- psubw m%3, m%1, m%2
- paddw m%1, m%2
- SWAP %2, %3
-%endmacro
-
-; butterfly operation
-%macro MUL_ADD_2X 6 ; dst1, dst2, src, round, coefs1, coefs2
- pmaddwd m%1, m%3, %5
- pmaddwd m%2, m%3, %6
- paddd m%1, %4
- paddd m%2, %4
- psrad m%1, 14
- psrad m%2, 14
-%endmacro
-
-%macro BUTTERFLY_4X 7 ; dst1, dst2, coef1, coef2, round, tmp1, tmp2
- punpckhwd m%6, m%2, m%1
- MUL_ADD_2X %7, %6, %6, %5, [pw_%4_%3], [pw_%3_m%4]
- punpcklwd m%2, m%1
- MUL_ADD_2X %1, %2, %2, %5, [pw_%4_%3], [pw_%3_m%4]
- packssdw m%1, m%7
- packssdw m%2, m%6
-%endmacro
-
-; matrix transpose
-%macro INTERLEAVE_2X 4
- punpckh%1 m%4, m%2, m%3
- punpckl%1 m%2, m%3
- SWAP %3, %4
-%endmacro
-
-%macro TRANSPOSE8X8 9
- INTERLEAVE_2X wd, %1, %2, %9
- INTERLEAVE_2X wd, %3, %4, %9
- INTERLEAVE_2X wd, %5, %6, %9
- INTERLEAVE_2X wd, %7, %8, %9
-
- INTERLEAVE_2X dq, %1, %3, %9
- INTERLEAVE_2X dq, %2, %4, %9
- INTERLEAVE_2X dq, %5, %7, %9
- INTERLEAVE_2X dq, %6, %8, %9
-
- INTERLEAVE_2X qdq, %1, %5, %9
- INTERLEAVE_2X qdq, %3, %7, %9
- INTERLEAVE_2X qdq, %2, %6, %9
- INTERLEAVE_2X qdq, %4, %8, %9
-
- SWAP %2, %5
- SWAP %4, %7
-%endmacro
-
-; 1D forward 8x8 DCT transform
-%macro FDCT8_1D 1
- SUM_SUB 0, 7, 9
- SUM_SUB 1, 6, 9
- SUM_SUB 2, 5, 9
- SUM_SUB 3, 4, 9
-
- SUM_SUB 0, 3, 9
- SUM_SUB 1, 2, 9
- SUM_SUB 6, 5, 9
-%if %1 == 0
- SUM_SUB 0, 1, 9
-%endif
-
- BUTTERFLY_4X 2, 3, 6270, 15137, m8, 9, 10
-
- pmulhrsw m6, m12
- pmulhrsw m5, m12
-%if %1 == 0
- pmulhrsw m0, m12
- pmulhrsw m1, m12
-%else
- BUTTERFLY_4X 1, 0, 11585, 11585, m8, 9, 10
- SWAP 0, 1
-%endif
-
- SUM_SUB 4, 5, 9
- SUM_SUB 7, 6, 9
- BUTTERFLY_4X 4, 7, 3196, 16069, m8, 9, 10
- BUTTERFLY_4X 5, 6, 13623, 9102, m8, 9, 10
- SWAP 1, 4
- SWAP 3, 6
-%endmacro
-
-%macro DIVIDE_ROUND_2X 4 ; dst1, dst2, tmp1, tmp2
- psraw m%3, m%1, 15
- psraw m%4, m%2, 15
- psubw m%1, m%3
- psubw m%2, m%4
- psraw m%1, 1
- psraw m%2, 1
-%endmacro
-
INIT_XMM ssse3
cglobal fdct8x8, 3, 5, 13, input, output, stride
mova m8, [pd_8192]
mova m12, [pw_11585x2]
- pxor m11, m11
lea r3, [2 * strideq]
lea r4, [4 * strideq]
psllw m7, 2
; column transform
- FDCT8_1D 0
- TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9
-
- FDCT8_1D 1
- TRANSPOSE8X8 0, 1, 2, 3, 4, 5, 6, 7, 9
-
- DIVIDE_ROUND_2X 0, 1, 9, 10
- DIVIDE_ROUND_2X 2, 3, 9, 10
- DIVIDE_ROUND_2X 4, 5, 9, 10
- DIVIDE_ROUND_2X 6, 7, 9, 10
-
- mova [outputq + 0], m0
- mova [outputq + 16], m1
- mova [outputq + 32], m2
- mova [outputq + 48], m3
- mova [outputq + 64], m4
- mova [outputq + 80], m5
- mova [outputq + 96], m6
- mova [outputq + 112], m7
+ ; stage 1
+ paddw m10, m0, m7
+ psubw m0, m7
+
+ paddw m9, m1, m6
+ psubw m1, m6
+
+ paddw m7, m2, m5
+ psubw m2, m5
+
+ paddw m6, m3, m4
+ psubw m3, m4
+
+ ; stage 2
+ paddw m5, m9, m7
+ psubw m9, m7
+
+ paddw m4, m10, m6
+ psubw m10, m6
+
+ paddw m7, m1, m2
+ psubw m1, m2
+
+ ; stage 3
+ paddw m6, m4, m5
+ psubw m4, m5
+
+ pmulhrsw m1, m12
+ pmulhrsw m7, m12
+
+ ; sin(pi / 8), cos(pi / 8)
+ punpcklwd m2, m10, m9
+ punpckhwd m10, m9
+ pmaddwd m5, m2, [pw_15137_6270]
+ pmaddwd m2, [pw_6270_m15137]
+ pmaddwd m9, m10, [pw_15137_6270]
+ pmaddwd m10, [pw_6270_m15137]
+ paddd m5, m8
+ paddd m2, m8
+ paddd m9, m8
+ paddd m10, m8
+ psrad m5, 14
+ psrad m2, 14
+ psrad m9, 14
+ psrad m10, 14
+ packssdw m5, m9
+ packssdw m2, m10
+
+ pmulhrsw m6, m12
+ pmulhrsw m4, m12
+
+ paddw m9, m3, m1
+ psubw m3, m1
+
+ paddw m10, m0, m7
+ psubw m0, m7
+
+ ; stage 4
+ ; sin(pi / 16), cos(pi / 16)
+ punpcklwd m1, m10, m9
+ punpckhwd m10, m9
+ pmaddwd m7, m1, [pw_16069_3196]
+ pmaddwd m1, [pw_3196_m16069]
+ pmaddwd m9, m10, [pw_16069_3196]
+ pmaddwd m10, [pw_3196_m16069]
+ paddd m7, m8
+ paddd m1, m8
+ paddd m9, m8
+ paddd m10, m8
+ psrad m7, 14
+ psrad m1, 14
+ psrad m9, 14
+ psrad m10, 14
+ packssdw m7, m9
+ packssdw m1, m10
+
+ ; sin(3 * pi / 16), cos(3 * pi / 16)
+ punpcklwd m11, m0, m3
+ punpckhwd m0, m3
+ pmaddwd m9, m11, [pw_9102_13623]
+ pmaddwd m11, [pw_13623_m9102]
+ pmaddwd m3, m0, [pw_9102_13623]
+ pmaddwd m0, [pw_13623_m9102]
+ paddd m9, m8
+ paddd m11, m8
+ paddd m3, m8
+ paddd m0, m8
+ psrad m9, 14
+ psrad m11, 14
+ psrad m3, 14
+ psrad m0, 14
+ packssdw m9, m3
+ packssdw m11, m0
+
+ ; transpose
+ ; stage 1
+ punpcklwd m0, m6, m7
+ punpcklwd m3, m5, m11
+ punpckhwd m6, m7
+ punpckhwd m5, m11
+ punpcklwd m7, m4, m9
+ punpcklwd m10, m2, m1
+ punpckhwd m4, m9
+ punpckhwd m2, m1
+
+ ; stage 2
+ punpckldq m9, m0, m3
+ punpckldq m1, m6, m5
+ punpckhdq m0, m3
+ punpckhdq m6, m5
+ punpckldq m3, m7, m10
+ punpckldq m5, m4, m2
+ punpckhdq m7, m10
+ punpckhdq m4, m2
+
+ ; stage 3
+ punpcklqdq m10, m9, m3
+ punpckhqdq m9, m3
+ punpcklqdq m2, m0, m7
+ punpckhqdq m0, m7
+ punpcklqdq m3, m1, m5
+ punpckhqdq m1, m5
+ punpcklqdq m7, m6, m4
+ punpckhqdq m6, m4
+
+ ; row transform
+ ; stage 1
+ paddw m5, m10, m6
+ psubw m10, m6
+
+ paddw m4, m9, m7
+ psubw m9, m7
+
+ paddw m6, m2, m1
+ psubw m2, m1
+
+ paddw m7, m0, m3
+ psubw m0, m3
+
+ ;stage 2
+ paddw m1, m5, m7
+ psubw m5, m7
+
+ paddw m3, m4, m6
+ psubw m4, m6
+
+ paddw m7, m9, m2
+ psubw m9, m2
+
+ ; stage 3
+ punpcklwd m6, m1, m3
+ punpckhwd m1, m3
+ pmaddwd m2, m6, [pw_11585_11585]
+ pmaddwd m6, [pw_11585_m11585]
+ pmaddwd m3, m1, [pw_11585_11585]
+ pmaddwd m1, [pw_11585_m11585]
+ paddd m2, m8
+ paddd m6, m8
+ paddd m3, m8
+ paddd m1, m8
+ psrad m2, 14
+ psrad m6, 14
+ psrad m3, 14
+ psrad m1, 14
+ packssdw m2, m3
+ packssdw m6, m1
+
+ pmulhrsw m7, m12
+ pmulhrsw m9, m12
+
+ punpcklwd m3, m5, m4
+ punpckhwd m5, m4
+ pmaddwd m1, m3, [pw_15137_6270]
+ pmaddwd m3, [pw_6270_m15137]
+ pmaddwd m4, m5, [pw_15137_6270]
+ pmaddwd m5, [pw_6270_m15137]
+ paddd m1, m8
+ paddd m3, m8
+ paddd m4, m8
+ paddd m5, m8
+ psrad m1, 14
+ psrad m3, 14
+ psrad m4, 14
+ psrad m5, 14
+ packssdw m1, m4
+ packssdw m3, m5
+
+ paddw m4, m0, m9
+ psubw m0, m9
+
+ paddw m5, m10, m7
+ psubw m10, m7
+
+ ; stage 4
+ punpcklwd m9, m5, m4
+ punpckhwd m5, m4
+ pmaddwd m7, m9, [pw_16069_3196]
+ pmaddwd m9, [pw_3196_m16069]
+ pmaddwd m4, m5, [pw_16069_3196]
+ pmaddwd m5, [pw_3196_m16069]
+ paddd m7, m8
+ paddd m9, m8
+ paddd m4, m8
+ paddd m5, m8
+ psrad m7, 14
+ psrad m9, 14
+ psrad m4, 14
+ psrad m5, 14
+ packssdw m7, m4
+ packssdw m9, m5
+
+ punpcklwd m4, m10, m0
+ punpckhwd m10, m0
+ pmaddwd m5, m4, [pw_9102_13623]
+ pmaddwd m4, [pw_13623_m9102]
+ pmaddwd m0, m10, [pw_9102_13623]
+ pmaddwd m10, [pw_13623_m9102]
+ paddd m5, m8
+ paddd m4, m8
+ paddd m0, m8
+ paddd m10, m8
+ psrad m5, 14
+ psrad m4, 14
+ psrad m0, 14
+ psrad m10, 14
+ packssdw m5, m0
+ packssdw m4, m10
+
+ ; transpose
+ ; stage 1
+ punpcklwd m0, m2, m7
+ punpcklwd m10, m1, m4
+ punpckhwd m2, m7
+ punpckhwd m1, m4
+ punpcklwd m7, m6, m5
+ punpcklwd m4, m3, m9
+ punpckhwd m6, m5
+ punpckhwd m3, m9
+
+ ; stage 2
+ punpckldq m5, m0, m10
+ punpckldq m9, m2, m1
+ punpckhdq m0, m10
+ punpckhdq m2, m1
+ punpckldq m10, m7, m4
+ punpckldq m1, m6, m3
+ punpckhdq m7, m4
+ punpckhdq m6, m3
+
+ ; stage 3
+ punpcklqdq m4, m5, m10
+ punpckhqdq m5, m10
+ punpcklqdq m3, m0, m7
+ punpckhqdq m0, m7
+ punpcklqdq m10, m9, m1
+ punpckhqdq m9, m1
+ punpcklqdq m7, m2, m6
+ punpckhqdq m2, m6
+
+ psraw m1, m4, 15
+ psraw m6, m5, 15
+ psraw m8, m3, 15
+ psraw m11, m0, 15
+
+ psubw m4, m1
+ psubw m5, m6
+ psubw m3, m8
+ psubw m0, m11
+
+ psraw m4, 1
+ psraw m5, 1
+ psraw m3, 1
+ psraw m0, 1
+
+ psraw m1, m10, 15
+ psraw m6, m9, 15
+ psraw m8, m7, 15
+ psraw m11, m2, 15
+
+ psubw m10, m1
+ psubw m9, m6
+ psubw m7, m8
+ psubw m2, m11
+
+ psraw m10, 1
+ psraw m9, 1
+ psraw m7, 1
+ psraw m2, 1
+
+ mova [outputq + 0], m4
+ mova [outputq + 16], m5
+ mova [outputq + 32], m3
+ mova [outputq + 48], m0
+ mova [outputq + 64], m10
+ mova [outputq + 80], m9
+ mova [outputq + 96], m7
+ mova [outputq + 112], m2
RET
%endif
projects / libvpx / commitdiff