Add SSSE3 implementation for ipred_smooth, ipred_smooth_v and ipred_smooth_h
intra_pred_smooth_h_w4_8bpc_c: 460.6
intra_pred_smooth_h_w4_8bpc_ssse3: 83.1
intra_pred_smooth_h_w8_8bpc_c: 1286.9
intra_pred_smooth_h_w8_8bpc_ssse3: 172.0
intra_pred_smooth_h_w16_8bpc_c: 3804.8
intra_pred_smooth_h_w16_8bpc_ssse3: 460.3
intra_pred_smooth_h_w32_8bpc_c: 8505.0
intra_pred_smooth_h_w32_8bpc_ssse3: 1176.9
intra_pred_smooth_h_w64_8bpc_c: 22236.9
intra_pred_smooth_h_w64_8bpc_ssse3: 2810.8
intra_pred_smooth_v_w4_8bpc_c: 433.2
intra_pred_smooth_v_w4_8bpc_ssse3: 75.6
intra_pred_smooth_v_w8_8bpc_c: 1279.4
intra_pred_smooth_v_w8_8bpc_ssse3: 134.2
intra_pred_smooth_v_w16_8bpc_c: 4060.8
intra_pred_smooth_v_w16_8bpc_ssse3: 333.0
intra_pred_smooth_v_w32_8bpc_c: 9758.9
intra_pred_smooth_v_w32_8bpc_ssse3: 1423.2
intra_pred_smooth_v_w64_8bpc_c: 26571.8
intra_pred_smooth_v_w64_8bpc_ssse3: 3534.1
intra_pred_smooth_w4_8bpc_c: 1138.4
intra_pred_smooth_w4_8bpc_ssse3: 113.8
intra_pred_smooth_w8_8bpc_c: 3378.8
intra_pred_smooth_w8_8bpc_ssse3: 257.3
intra_pred_smooth_w16_8bpc_c: 10660.1
intra_pred_smooth_w16_8bpc_ssse3: 711.5
intra_pred_smooth_w32_8bpc_c: 20899.8
intra_pred_smooth_w32_8bpc_ssse3: 2275.0
intra_pred_smooth_w64_8bpc_c: 43132.2
intra_pred_smooth_w64_8bpc_ssse3: 5918.2
diff --git a/src/x86/ipred_init_tmpl.c b/src/x86/ipred_init_tmpl.c
index 3662d40..1f7fc87 100644
--- a/src/x86/ipred_init_tmpl.c
+++ b/src/x86/ipred_init_tmpl.c
@@ -58,6 +58,9 @@
decl_angular_ipred_fn(dav1d_ipred_dc_left_ssse3);
decl_angular_ipred_fn(dav1d_ipred_h_ssse3);
decl_angular_ipred_fn(dav1d_ipred_v_ssse3);
+decl_angular_ipred_fn(dav1d_ipred_smooth_ssse3);
+decl_angular_ipred_fn(dav1d_ipred_smooth_v_ssse3);
+decl_angular_ipred_fn(dav1d_ipred_smooth_h_ssse3);
void bitfn(dav1d_intra_pred_dsp_init_x86)(Dav1dIntraPredDSPContext *const c) {
const unsigned flags = dav1d_get_cpu_flags();
@@ -71,6 +74,9 @@
c->intra_pred[LEFT_DC_PRED] = dav1d_ipred_dc_left_ssse3;
c->intra_pred[HOR_PRED] = dav1d_ipred_h_ssse3;
c->intra_pred[VERT_PRED] = dav1d_ipred_v_ssse3;
+ c->intra_pred[SMOOTH_PRED] = dav1d_ipred_smooth_ssse3;
+ c->intra_pred[SMOOTH_V_PRED] = dav1d_ipred_smooth_v_ssse3;
+ c->intra_pred[SMOOTH_H_PRED] = dav1d_ipred_smooth_h_ssse3;
#endif
if (!(flags & DAV1D_X86_CPU_FLAG_AVX2)) return;
diff --git a/src/x86/ipred_ssse3.asm b/src/x86/ipred_ssse3.asm
index bfa3621..110f970 100644
--- a/src/x86/ipred_ssse3.asm
+++ b/src/x86/ipred_ssse3.asm
@@ -29,8 +29,46 @@
SECTION_RODATA 16
-pb_128 : times 8 db 128
-pd_32768 : times 1 dd 32768
+%macro SMOOTH_WEIGHT_TABLE 1-*
+ %rep %0
+ db %1-128, 127-%1
+ %rotate 1
+ %endrep
+%endmacro
+
+; sm_weights[], but modified to precalculate x and 256-x with offsets to
+; enable efficient use of pmaddubsw (which requires signed values)
+smooth_weights: SMOOTH_WEIGHT_TABLE \
+ 0, 0, 255, 128, 255, 149, 85, 64, \
+ 255, 197, 146, 105, 73, 50, 37, 32, \
+ 255, 225, 196, 170, 145, 123, 102, 84, \
+ 68, 54, 43, 33, 26, 20, 17, 16, \
+ 255, 240, 225, 210, 196, 182, 169, 157, \
+ 145, 133, 122, 111, 101, 92, 83, 74, \
+ 66, 59, 52, 45, 39, 34, 29, 25, \
+ 21, 17, 14, 12, 10, 9, 8, 8, \
+ 255, 248, 240, 233, 225, 218, 210, 203, \
+ 196, 189, 182, 176, 169, 163, 156, 150, \
+ 144, 138, 133, 127, 121, 116, 111, 106, \
+ 101, 96, 91, 86, 82, 77, 73, 69, \
+ 65, 61, 57, 54, 50, 47, 44, 41, \
+ 38, 35, 32, 29, 27, 25, 22, 20, \
+ 18, 16, 15, 13, 12, 10, 9, 8, \
+ 7, 6, 6, 5, 5, 4, 4, 4
+
+
+ipred_v_shuf : db 0, 1, 0, 1, 2, 3, 2, 3, 4, 5, 4, 5, 6, 7, 6, 7
+ipred_h_shuf : db 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0
+
+pb_3 : times 16 db 3
+pb_128 : times 8 db 128
+pw_128 : times 4 dw 128
+pw_255 : times 4 dw 255
+pb_127_m127 : times 4 db 127, -127
+pd_32768 : times 1 dd 32768
+
+
+
%macro JMP_TABLE 3-*
%xdefine %1_%2_table (%%table - 2*4)
@@ -44,10 +82,15 @@
%define ipred_dc_splat_ssse3_table (ipred_dc_ssse3_table + 10*4)
-JMP_TABLE ipred_h, ssse3, w4, w8, w16, w32, w64
-JMP_TABLE ipred_dc, ssse3, h4, h8, h16, h32, h64, w4, w8, w16, w32, w64, \
+JMP_TABLE ipred_h, ssse3, w4, w8, w16, w32, w64
+JMP_TABLE ipred_dc, ssse3, h4, h8, h16, h32, h64, w4, w8, w16, w32, w64, \
s4-10*4, s8-10*4, s16-10*4, s32-10*4, s64-10*4
-JMP_TABLE ipred_dc_left, ssse3, h4, h8, h16, h32, h64
+JMP_TABLE ipred_dc_left, ssse3, h4, h8, h16, h32, h64
+JMP_TABLE ipred_smooth, ssse3, w4, w8, w16, w32, w64
+JMP_TABLE ipred_smooth_v, ssse3, w4, w8, w16, w32, w64
+JMP_TABLE ipred_smooth_h, ssse3, w4, w8, w16, w32, w64
+
+
SECTION .text
@@ -470,3 +513,669 @@
add wq, r5
jmp r6
+;---------------------------------------------------------------------------------------
+;int dav1d_ipred_smooth_v_ssse3(pixel *dst, const ptrdiff_t stride, const pixel *const topleft,
+; const int width, const int height, const int a);
+;---------------------------------------------------------------------------------------
+%macro SMOOTH 6 ; src[1-2], mul[1-2], add[1-2]
+ ; w * a = (w - 128) * a + 128 * a
+ ; (256 - w) * b = (127 - w) * b + 129 * b
+ ; => w * a + (256 - w) * b = [(w - 128) * a + (127 - w) * b] + [128 * a + 129 * b]
+ pmaddubsw m6, m%3, m%1
+ pmaddubsw m0, m%4, m%2 ; (w - 128) * a + (127 - w) * b
+ paddw m6, m%5
+ paddw m0, m%6 ; [(w - 128) * a + (127 - w) * b] + [128 * a + 129 * b + 128]
+ psrlw m6, 8
+ psrlw m0, 8
+ packuswb m6, m0
+%endmacro
+
+cglobal ipred_smooth_v, 3, 7, 7, dst, stride, tl, w, h, weights
+%define base r6-ipred_smooth_v_ssse3_table
+ LEA r6, ipred_smooth_v_ssse3_table
+ tzcnt wd, wm
+ mov hd, hm
+ movsxd wq, [r6+wq*4]
+ movddup m0, [base+pb_127_m127]
+ movddup m1, [base+pw_128]
+ lea weightsq, [base+smooth_weights+hq*4]
+ neg hq
+ movd m5, [tlq+hq]
+ pxor m2, m2
+ pshufb m5, m2
+ add wq, r6
+ jmp wq
+.w4:
+ movd m2, [tlq+1]
+ punpckldq m2, m2
+ punpcklbw m2, m5 ; top, bottom
+ lea r3, [strideq*3]
+ mova m4, [base+ipred_v_shuf]
+ mova m5, m4
+ punpckldq m4, m4
+ punpckhdq m5, m5
+ pmaddubsw m3, m2, m0 ; m3: 127 * top - 127 * bottom
+ paddw m1, m2 ; m1: 1 * top + 256 * bottom + 128, overflow is ok
+ paddw m3, m1 ; m3: 128 * top + 129 * bottom + 128
+.w4_loop:
+ movu m1, [weightsq+hq*2]
+ pshufb m0, m1, m4 ;m2, m3, m4 and m5 should be stable in loop
+ pshufb m1, m5
+ SMOOTH 0, 1, 2, 2, 3, 3
+ movd [dstq+strideq*0], m6
+ pshuflw m1, m6, q1032
+ movd [dstq+strideq*1], m1
+ punpckhqdq m6, m6
+ movd [dstq+strideq*2], m6
+ psrlq m6, 32
+ movd [dstq+r3 ], m6
+ lea dstq, [dstq+strideq*4]
+ add hq, 4
+ jl .w4_loop
+ RET
+ALIGN function_align
+.w8:
+ movq m2, [tlq+1]
+ punpcklbw m2, m5
+ mova m5, [base+ipred_v_shuf]
+ lea r3, [strideq*3]
+ pshufd m4, m5, q0000
+ pshufd m5, m5, q1111
+ pmaddubsw m3, m2, m0
+ paddw m1, m2
+ paddw m3, m1 ; m3 is output for loop
+.w8_loop:
+ movq m1, [weightsq+hq*2]
+ pshufb m0, m1, m4
+ pshufb m1, m5
+ SMOOTH 0, 1, 2, 2, 3, 3
+ movq [dstq+strideq*0], m6
+ movhps [dstq+strideq*1], m6
+ lea dstq, [dstq+strideq*2]
+ add hq, 2
+ jl .w8_loop
+ RET
+ALIGN function_align
+.w16:
+ movu m3, [tlq+1]
+ punpcklbw m2, m3, m5
+ punpckhbw m3, m5
+ pmaddubsw m4, m2, m0
+ pmaddubsw m5, m3, m0
+ paddw m0, m1, m2
+ paddw m1, m3
+ paddw m4, m0
+ paddw m5, m1 ; m4 and m5 is output for loop
+.w16_loop:
+ movd m1, [weightsq+hq*2]
+ pshuflw m1, m1, q0000
+ punpcklqdq m1, m1
+ SMOOTH 1, 1, 2, 3, 4, 5
+ mova [dstq], m6
+ add dstq, strideq
+ add hq, 1
+ jl .w16_loop
+ RET
+ALIGN function_align
+.w32:
+%if WIN64
+ movaps [rsp+24], xmm7
+ %define xmm_regs_used 8
+%endif
+ mova m7, m5
+.w32_loop_init:
+ mov r3d, 2
+.w32_loop:
+ movddup m0, [base+pb_127_m127]
+ movddup m1, [base+pw_128]
+ movu m3, [tlq+1]
+ punpcklbw m2, m3, m7
+ punpckhbw m3, m7
+ pmaddubsw m4, m2, m0
+ pmaddubsw m5, m3, m0
+ paddw m0, m1, m2
+ paddw m1, m3
+ paddw m4, m0
+ paddw m5, m1
+ movd m1, [weightsq+hq*2]
+ pshuflw m1, m1, q0000
+ punpcklqdq m1, m1
+ SMOOTH 1, 1, 2, 3, 4, 5
+ mova [dstq], m6
+ add tlq, 16
+ add dstq, 16
+ dec r3d
+ jg .w32_loop
+ lea dstq, [dstq-32+strideq]
+ sub tlq, 32
+ add hq, 1
+ jl .w32_loop_init
+ RET
+ALIGN function_align
+.w64:
+%if WIN64
+ movaps [rsp+24], xmm7
+ %define xmm_regs_used 8
+%endif
+ mova m7, m5
+.w64_loop_init:
+ mov r3d, 4
+.w64_loop:
+ movddup m0, [base+pb_127_m127]
+ movddup m1, [base+pw_128]
+ movu m3, [tlq+1]
+ punpcklbw m2, m3, m7
+ punpckhbw m3, m7
+ pmaddubsw m4, m2, m0
+ pmaddubsw m5, m3, m0
+ paddw m0, m1, m2
+ paddw m1, m3
+ paddw m4, m0
+ paddw m5, m1
+ movd m1, [weightsq+hq*2]
+ pshuflw m1, m1, q0000
+ punpcklqdq m1, m1
+ SMOOTH 1, 1, 2, 3, 4, 5
+ mova [dstq], m6
+ add tlq, 16
+ add dstq, 16
+ dec r3d
+ jg .w64_loop
+ lea dstq, [dstq-64+strideq]
+ sub tlq, 64
+ add hq, 1
+ jl .w64_loop_init
+ RET
+
+;---------------------------------------------------------------------------------------
+;int dav1d_ipred_smooth_h_ssse3(pixel *dst, const ptrdiff_t stride, const pixel *const topleft,
+; const int width, const int height, const int a);
+;---------------------------------------------------------------------------------------
+cglobal ipred_smooth_h, 3, 7, 8, dst, stride, tl, w, h
+%define base r6-ipred_smooth_h_ssse3_table
+ LEA r6, ipred_smooth_h_ssse3_table
+ mov wd, wm
+ movd m3, [tlq+wq]
+ pxor m1, m1
+ pshufb m3, m1 ; right
+ tzcnt wd, wd
+ mov hd, hm
+ movsxd wq, [r6+wq*4]
+ movddup m4, [base+pb_127_m127]
+ movddup m5, [base+pw_128]
+ add wq, r6
+ jmp wq
+.w4:
+ movddup m6, [base+smooth_weights+4*2]
+ mova m7, [base+ipred_h_shuf]
+ sub tlq, 4
+ sub tlq, hq
+ lea r3, [strideq*3]
+.w4_loop:
+ movd m2, [tlq+hq] ; left
+ pshufb m2, m7
+ punpcklbw m1, m2, m3 ; left, right
+ punpckhbw m2, m3
+ pmaddubsw m0, m1, m4 ; 127 * left - 127 * right
+ paddw m0, m1 ; 128 * left + 129 * right
+ pmaddubsw m1, m6
+ paddw m1, m5
+ paddw m0, m1
+ pmaddubsw m1, m2, m4
+ paddw m1, m2
+ pmaddubsw m2, m6
+ paddw m2, m5
+ paddw m1, m2
+ psrlw m0, 8
+ psrlw m1, 8
+ packuswb m0, m1
+ movd [dstq+strideq*0], m0
+ pshuflw m1, m0, q1032
+ movd [dstq+strideq*1], m1
+ punpckhqdq m0, m0
+ movd [dstq+strideq*2], m0
+ psrlq m0, 32
+ movd [dstq+r3 ], m0
+ lea dstq, [dstq+strideq*4]
+ sub hd, 4
+ jg .w4_loop
+ RET
+ALIGN function_align
+.w8:
+ mova m6, [base+smooth_weights+8*2]
+ mova m7, [base+ipred_h_shuf]
+ sub tlq, 4
+ sub tlq, hq
+ punpckldq m7, m7
+.w8_loop:
+ movd m2, [tlq+hq] ; left
+ pshufb m2, m7
+ punpcklbw m1, m2, m3 ; left, right
+ punpckhbw m2, m3
+ pmaddubsw m0, m1, m4 ; 127 * left - 127 * right
+ paddw m0, m1 ; 128 * left + 129 * right
+ pmaddubsw m1, m6
+ paddw m1, m5
+ paddw m0, m1
+ pmaddubsw m1, m2, m4
+ paddw m1, m2
+ pmaddubsw m2, m6
+ paddw m2, m5
+ paddw m1, m2
+ psrlw m0, 8
+ psrlw m1, 8
+ packuswb m0, m1
+ movq [dstq+strideq*0], m0
+ movhps [dstq+strideq*1], m0
+ lea dstq, [dstq+strideq*2]
+ sub hd, 2
+ jg .w8_loop
+ RET
+ALIGN function_align
+.w16:
+ mova m6, [base+smooth_weights+16*2]
+ mova m7, [base+smooth_weights+16*3]
+ sub tlq, 1
+ sub tlq, hq
+.w16_loop:
+ pxor m1, m1
+ movd m2, [tlq+hq] ; left
+ pshufb m2, m1
+ punpcklbw m1, m2, m3 ; left, right
+ punpckhbw m2, m3
+ pmaddubsw m0, m1, m4 ; 127 * left - 127 * right
+ paddw m0, m1 ; 128 * left + 129 * right
+ pmaddubsw m1, m6
+ paddw m1, m5
+ paddw m0, m1
+ pmaddubsw m1, m2, m4
+ paddw m1, m2
+ pmaddubsw m2, m7
+ paddw m2, m5
+ paddw m1, m2
+ psrlw m0, 8
+ psrlw m1, 8
+ packuswb m0, m1
+ mova [dstq], m0
+ lea dstq, [dstq+strideq]
+ sub hd, 1
+ jg .w16_loop
+ RET
+ALIGN function_align
+.w32:
+ sub tlq, 1
+ sub tlq, hq
+ pxor m6, m6
+.w32_loop_init:
+ mov r5, 2
+ lea r3, [base+smooth_weights+16*4]
+.w32_loop:
+ mova m7, [r3]
+ add r3, 16
+ movd m2, [tlq+hq] ; left
+ pshufb m2, m6
+ punpcklbw m1, m2, m3 ; left, right
+ punpckhbw m2, m3
+ pmaddubsw m0, m1, m4 ; 127 * left - 127 * right
+ paddw m0, m1 ; 128 * left + 129 * right
+ pmaddubsw m1, m7
+ paddw m1, m5
+ paddw m0, m1
+ pmaddubsw m1, m2, m4
+ paddw m1, m2
+ mova m7, [r3]
+ add r3, 16
+ pmaddubsw m2, m7
+ paddw m2, m5
+ paddw m1, m2
+ psrlw m0, 8
+ psrlw m1, 8
+ packuswb m0, m1
+ mova [dstq], m0
+ add dstq, 16
+ dec r5
+ jg .w32_loop
+ lea dstq, [dstq-32+strideq]
+ sub hd, 1
+ jg .w32_loop_init
+ RET
+ALIGN function_align
+.w64:
+ sub tlq, 1
+ sub tlq, hq
+ pxor m6, m6
+.w64_loop_init:
+ mov r5, 4
+ lea r3, [base+smooth_weights+16*8]
+.w64_loop:
+ mova m7, [r3]
+ add r3, 16
+ movd m2, [tlq+hq] ; left
+ pshufb m2, m6
+ punpcklbw m1, m2, m3 ; left, right
+ punpckhbw m2, m3
+ pmaddubsw m0, m1, m4 ; 127 * left - 127 * right
+ paddw m0, m1 ; 128 * left + 129 * right
+ pmaddubsw m1, m7
+ paddw m1, m5
+ paddw m0, m1
+ pmaddubsw m1, m2, m4
+ paddw m1, m2
+ mova m7, [r3]
+ add r3, 16
+ pmaddubsw m2, m7
+ paddw m2, m5
+ paddw m1, m2
+ psrlw m0, 8
+ psrlw m1, 8
+ packuswb m0, m1
+ mova [dstq], m0
+ add dstq, 16
+ dec r5
+ jg .w64_loop
+ lea dstq, [dstq-64+strideq]
+ sub hd, 1
+ jg .w64_loop_init
+ RET
+
+;---------------------------------------------------------------------------------------
+;int dav1d_ipred_smooth_ssse3(pixel *dst, const ptrdiff_t stride, const pixel *const topleft,
+; const int width, const int height, const int a);
+;---------------------------------------------------------------------------------------
+%macro SMOOTH_2D_END 7 ; src[1-2], mul[1-2], add[1-2], m3
+ pmaddubsw m6, m%3, m%1
+ mova m0, m6
+ pmaddubsw m6, m%4, m%2
+ mova m1, m6
+%ifnum %5
+ paddw m0, m%5
+%else
+ paddw m0, %5
+%endif
+%ifnum %6
+ paddw m1, m%6
+%else
+ paddw m1, %6
+%endif
+%ifnum %7
+%else
+ mova m3, %7
+%endif
+ pavgw m0, m2
+ pavgw m1, m3
+ psrlw m0, 8
+ psrlw m1, 8
+ packuswb m0, m1
+%endmacro
+
+%macro SMOOTH_OUTPUT_16B 12 ; m1, [buffer1, buffer2, buffer3, buffer4,] [w1, w2,] m3, m7, [m0, m4, m5]
+ mova m1, [rsp+16*%1] ; top
+ punpckhbw m6, m1, m0 ; top, bottom
+ punpcklbw m1, m0 ; top, bottom
+ pmaddubsw m2, m1, m5
+ mova [rsp+16*%2], m1
+ paddw m1, m3 ; 1 * top + 255 * bottom + 255
+ paddw m2, m1 ; 128 * top + 129 * bottom + 255
+ mova [rsp+16*%3], m2
+ pmaddubsw m2, m6, m5
+ mova [rsp+16*%4], m6
+ paddw m6, m3 ; 1 * top + 255 * bottom + 255
+ paddw m2, m6 ; 128 * top + 129 * bottom + 255
+ mova [rsp+16*%5], m2
+ movd m1, [tlq+hq] ; left
+ pshufb m1, [base+pb_3] ; topleft[-(1 + y)]
+ punpcklbw m1, m4 ; left, right
+ pmaddubsw m2, m1, m5 ; 127 * left - 127 * right
+ paddw m2, m1 ; 128 * left + 129 * right
+ mova m3, m2
+ pmaddubsw m0, m1, %6 ; weights_hor = &dav1d_sm_weights[width];
+ pmaddubsw m1, %7
+ paddw m2, m3, m0
+ paddw m3, m1
+ movd m1, [v_weightsq] ; weights_ver = &dav1d_sm_weights[height];
+ mova m7, [rsp+16*%9]
+ pshufb m1, m7
+ mova [rsp+16*%8], m3
+ mova m4, [rsp+16*%2]
+ mova m5, [rsp+16*%3]
+ mova m3, [rsp+16*%4]
+ mova m7, [rsp+16*%5]
+ SMOOTH_2D_END 1, 1, 4, 3, 5, 7, [rsp+16*%8]
+ mova [dstq], m0
+ movddup m3, [base+pw_255] ; recovery
+ mova m0, [rsp+16*%10] ; recovery
+ mova m4, [rsp+16*%11] ; recovery
+ mova m5, [rsp+16*%12] ; recovery
+%endmacro
+
+cglobal ipred_smooth, 3, 7, 8, -13*16, dst, stride, tl, w, h, v_weights
+%define base r6-ipred_smooth_ssse3_table
+ mov wd, wm
+ mov hd, hm
+ LEA r6, ipred_smooth_ssse3_table
+ movd m4, [tlq+wq] ; right
+ pxor m2, m2
+ pshufb m4, m2
+ tzcnt wd, wd
+ mov r5, tlq
+ sub r5, hq
+ movsxd wq, [r6+wq*4]
+ movddup m5, [base+pb_127_m127]
+ movd m0, [r5]
+ pshufb m0, m2 ; bottom
+ movddup m3, [base+pw_255]
+ add wq, r6
+ lea v_weightsq, [base+smooth_weights+hq*2] ; weights_ver = &dav1d_sm_weights[height]
+ jmp wq
+.w4:
+ mova m7, [base+ipred_v_shuf]
+ movd m1, [tlq+1] ; left
+ pshufd m1, m1, q0000
+ sub tlq, 4
+ lea r3, [strideq*3]
+ sub tlq, hq
+ punpcklbw m1, m0 ; top, bottom
+ pshufd m6, m7, q1100
+ pshufd m7, m7, q3322
+ pmaddubsw m2, m1, m5
+ paddw m3, m1 ; 1 * top + 255 * bottom + 255
+ paddw m2, m3 ; 128 * top + 129 * bottom + 255
+ mova [rsp+16*0], m1
+ mova [rsp+16*1], m2
+ movq m1, [base+smooth_weights+4*2] ; weights_hor = &dav1d_sm_weights[width];
+ punpcklqdq m1, m1
+ mova [rsp+16*2], m1
+ mova [rsp+16*3], m4
+ mova [rsp+16*4], m6
+ mova [rsp+16*5], m5
+.w4_loop:
+ movd m1, [tlq+hq] ; left
+ pshufb m1, [base+ipred_h_shuf]
+ punpcklbw m0, m1, m4 ; left, right
+ punpckhbw m1, m4
+ pmaddubsw m2, m0, m5 ; 127 * left - 127 * right
+ pmaddubsw m3, m1, m5
+ paddw m2, m0 ; 128 * left + 129 * right
+ paddw m3, m1
+ mova m4, [rsp+16*2]
+ pmaddubsw m0, m4
+ pmaddubsw m1, m4
+ paddw m2, m0
+ paddw m3, m1
+ movq m1, [v_weightsq] ; weights_ver = &dav1d_sm_weights[height];
+ add v_weightsq, 8
+ pshufb m0, m1, m6
+ pshufb m1, m7
+ mova m4, [rsp+16*0]
+ mova m5, [rsp+16*1]
+ SMOOTH_2D_END 0, 1, 4, 4, 5, 5, 3
+ mova m4, [rsp+16*3]
+ mova m6, [rsp+16*4]
+ mova m5, [rsp+16*5]
+ movd [dstq+strideq*0], m0
+ pshuflw m1, m0, q1032
+ movd [dstq+strideq*1], m1
+ punpckhqdq m0, m0
+ movd [dstq+strideq*2], m0
+ psrlq m0, 32
+ movd [dstq+r3 ], m0
+ lea dstq, [dstq+strideq*4]
+ sub hd, 4
+ jg .w4_loop
+ RET
+ALIGN function_align
+.w8:
+ mova m7, [base+ipred_v_shuf]
+ movq m1, [tlq+1] ; left
+ punpcklqdq m1, m1
+ sub tlq, 4
+ sub tlq, hq
+ punpcklbw m1, m0
+ pshufd m6, m7, q0000
+ pshufd m7, m7, q1111
+ pmaddubsw m2, m1, m5
+ paddw m3, m1
+ paddw m2, m3
+ mova [rsp+16*0], m1
+ mova [rsp+16*1], m2
+ mova m1, [base+smooth_weights+8*2] ; weights_hor = &dav1d_sm_weights[width];
+ mova [rsp+16*2], m1
+ mova [rsp+16*3], m4
+ mova [rsp+16*4], m6
+ mova [rsp+16*5], m5
+.w8_loop:
+ movd m1, [tlq+hq] ; left
+ pshufb m1, [base+ipred_h_shuf]
+ pshufd m1, m1, q1100
+ punpcklbw m0, m1, m4
+ punpckhbw m1, m4
+ pmaddubsw m2, m0, m5
+ pmaddubsw m3, m1, m5
+ paddw m2, m0
+ paddw m3, m1
+ mova m4, [rsp+16*2]
+ pmaddubsw m0, m4
+ pmaddubsw m1, m4
+ paddw m2, m0
+ paddw m3, m1
+ movd m1, [v_weightsq] ; weights_ver = &dav1d_sm_weights[height];
+ add v_weightsq, 4
+ pshufb m0, m1, m6
+ pshufb m1, m7
+ mova m4, [rsp+16*0]
+ mova m5, [rsp+16*1]
+ SMOOTH_2D_END 0, 1, 4, 4, 5, 5, 3
+ mova m4, [rsp+16*3]
+ mova m6, [rsp+16*4]
+ mova m5, [rsp+16*5]
+ movq [dstq+strideq*0], m0
+ movhps [dstq+strideq*1], m0
+ lea dstq, [dstq+strideq*2]
+ sub hd, 2
+ jg .w8_loop
+ RET
+ALIGN function_align
+.w16:
+ mova m7, [base+ipred_v_shuf]
+ movu m1, [tlq+1] ; left
+ sub tlq, 4
+ sub tlq, hq
+ punpckhbw m6, m1, m0 ; top, bottom
+ punpcklbw m1, m0 ; top, bottom
+ pshufd m7, m7, q0000
+ mova [rsp+16*2], m7
+ pmaddubsw m2, m6, m5
+ mova [rsp+16*5], m6
+ paddw m6, m3 ; 1 * top + 255 * bottom + 255
+ paddw m2, m6 ; 128 * top + 129 * bottom + 255
+ mova [rsp+16*6], m2
+ pmaddubsw m2, m1, m5
+ paddw m3, m1 ; 1 * top + 255 * bottom + 255
+ mova [rsp+16*0], m1
+ paddw m2, m3 ; 128 * top + 129 * bottom + 255
+ mova [rsp+16*1], m2
+ mova [rsp+16*3], m4
+ mova [rsp+16*4], m5
+.w16_loop:
+ movd m1, [tlq+hq] ; left
+ pshufb m1, [base+pb_3] ; topleft[-(1 + y)]
+ punpcklbw m1, m4 ; left, right
+ pmaddubsw m2, m1, m5 ; 127 * left - 127 * right
+ paddw m2, m1 ; 128 * left + 129 * right
+ mova m0, m1
+ mova m3, m2
+ pmaddubsw m0, [base+smooth_weights+16*2] ; weights_hor = &dav1d_sm_weights[width];
+ pmaddubsw m1, [base+smooth_weights+16*3]
+ paddw m2, m0
+ paddw m3, m1
+ movd m1, [v_weightsq] ; weights_ver = &dav1d_sm_weights[height];
+ add v_weightsq, 2
+ mova m7, [rsp+16*2]
+ pshufb m1, m7
+ mova [rsp+16*7], m3
+ mova m4, [rsp+16*0]
+ mova m5, [rsp+16*1]
+ mova m3, [rsp+16*5]
+ mova m7, [rsp+16*6]
+ SMOOTH_2D_END 1, 1, 4, 3, 5, 7, [rsp+16*7]
+ mova m4, [rsp+16*3]
+ mova m5, [rsp+16*4]
+ mova [dstq], m0
+ lea dstq, [dstq+strideq]
+ sub hd, 1
+ jg .w16_loop
+ RET
+ALIGN function_align
+.w32:
+ movu m1, [tlq+1] ; top topleft[1 + x]
+ movu m2, [tlq+17] ; top
+ mova [rsp+16*0], m1
+ mova [rsp+16*1], m2
+ sub tlq, 4
+ sub tlq, hq
+ mova m7, [base+ipred_v_shuf]
+ pshufd m7, m7, q0000
+ mova [rsp+16*2], m7
+ mova [rsp+16*3], m0
+ mova [rsp+16*4], m4
+ mova [rsp+16*5], m5
+.w32_loop:
+ SMOOTH_OUTPUT_16B 0, 6, 7, 8, 9, [base+smooth_weights+16*4], [base+smooth_weights+16*5], 10, 2, 3, 4, 5
+ add dstq, 16
+ SMOOTH_OUTPUT_16B 1, 6, 7, 8, 9, [base+smooth_weights+16*6], [base+smooth_weights+16*7], 10, 2, 3, 4, 5
+ lea dstq, [dstq-16+strideq]
+ add v_weightsq, 2
+ sub hd, 1
+ jg .w32_loop
+ RET
+ALIGN function_align
+.w64:
+ movu m1, [tlq+1] ; top topleft[1 + x]
+ movu m2, [tlq+17] ; top
+ mova [rsp+16*0], m1
+ mova [rsp+16*1], m2
+ movu m1, [tlq+33] ; top
+ movu m2, [tlq+49] ; top
+ mova [rsp+16*11], m1
+ mova [rsp+16*12], m2
+ sub tlq, 4
+ sub tlq, hq
+ mova m7, [base+ipred_v_shuf]
+ pshufd m7, m7, q0000
+ mova [rsp+16*2], m7
+ mova [rsp+16*3], m0
+ mova [rsp+16*4], m4
+ mova [rsp+16*5], m5
+.w64_loop:
+ SMOOTH_OUTPUT_16B 0, 6, 7, 8, 9, [base+smooth_weights+16*8], [base+smooth_weights+16*9], 10, 2, 3, 4, 5
+ add dstq, 16
+ SMOOTH_OUTPUT_16B 1, 6, 7, 8, 9, [base+smooth_weights+16*10], [base+smooth_weights+16*11], 10, 2, 3, 4, 5
+ add dstq, 16
+ SMOOTH_OUTPUT_16B 11, 6, 7, 8, 9, [base+smooth_weights+16*12], [base+smooth_weights+16*13], 10, 2, 3, 4, 5
+ add dstq, 16
+ SMOOTH_OUTPUT_16B 12, 6, 7, 8, 9, [base+smooth_weights+16*14], [base+smooth_weights+16*15], 10, 2, 3, 4, 5
+ lea dstq, [dstq-48+strideq]
+ add v_weightsq, 2
+ sub hd, 1
+ jg .w64_loop
+ RET
