4x4 kernel after

.section .text.rav1e::asm::x86::dist::hbd::satd_kernel_4x4_hbd_avx2,"ax",@progbits
    .p2align    4, 0x90
    .type   rav1e::asm::x86::dist::hbd::satd_kernel_4x4_hbd_avx2,@function
rav1e::asm::x86::dist::hbd::satd_kernel_4x4_hbd_avx2:

    .cfi_startproc
    push rbp
    .cfi_def_cfa_offset 16
    push r15
    .cfi_def_cfa_offset 24
    push r14
    .cfi_def_cfa_offset 32
    push r13
    .cfi_def_cfa_offset 40
    push r12
    .cfi_def_cfa_offset 48
    push rbx
    .cfi_def_cfa_offset 56
    sub rsp, 24
    .cfi_def_cfa_offset 80
    .cfi_offset rbx, -56
    .cfi_offset r12, -48
    .cfi_offset r13, -40
    .cfi_offset r14, -32
    .cfi_offset r15, -24
    .cfi_offset rbp, -16

    vpmovsxwd xmm0, qword ptr [rdi]

    vpmovsxwd xmm1, qword ptr [rdx]

    vpmovsxwd xmm2, qword ptr [rdx + 2*rcx]

    vpmovsxwd xmm3, qword ptr [rdx + 4*rcx]

    lea rax, [rsi + 2*rsi]

    vpsubd xmm1, xmm0, xmm1

    vpmovsxwd xmm0, qword ptr [rdi + 2*rsi]

    vmovd r9d, xmm1
    vpextrd r14d, xmm1, 1

    vpsubd xmm2, xmm0, xmm2

    vpmovsxwd xmm0, qword ptr [rdi + 4*rsi]

    vpsubd xmm0, xmm0, xmm3

    vpmovsxwd xmm3, qword ptr [rdi + 2*rax]

    lea rax, [rcx + 2*rcx]

    vpmovsxwd xmm4, qword ptr [rdx + 2*rax]

    vmovd eax, xmm2

    vpextrd edi, xmm0, 2

    lea r12d, [rax + r9]

    sub r9d, eax

    vmovd eax, xmm0

    vpsubd xmm3, xmm3, xmm4

    vmovd edx, xmm3

    vpextrd r8d, xmm3, 3

    lea esi, [rdx + rax]

    sub eax, edx

    vpextrd edx, xmm3, 1

    lea r15d, [rax + r9]
    sub r9d, eax

    vpextrd eax, xmm2, 1

    lea r11d, [rsi + r12]

    sub r12d, esi

    lea ecx, [rax + r14]

    sub r14d, eax

    vpextrd eax, xmm0, 1

    lea esi, [rdx + rax]

    sub eax, edx

    lea edx, [rsi + rcx]

    sub ecx, esi

    vpextrd esi, xmm1, 2

    mov qword ptr [rsp + 16], rcx

    lea ecx, [rax + r14]

    sub r14d, eax

    vpextrd eax, xmm2, 2

    mov qword ptr [rsp], rdx
    mov qword ptr [rsp + 8], rcx

    lea r10d, [rax + rsi]

    sub esi, eax

    vpextrd eax, xmm3, 2

    lea ebp, [rax + rdi]

    sub edi, eax

    lea ebx, [rbp + r10]

    sub r10d, ebp

    lea edx, [rdi + rsi]
    sub esi, edi

    vpextrd edi, xmm1, 3

    vpextrd ebp, xmm2, 3

    lea r13d, [rbp + rdi]

    sub edi, ebp

    vpextrd ebp, xmm0, 3

    lea eax, [r8 + rbp]

    sub ebp, r8d

    lea ecx, [rax + r13]

    sub r13d, eax

    mov rax, qword ptr [rsp]

    lea r8d, [rbp + rdi]
    sub edi, ebp

    lea ebp, [rax + r11]

    sub r11d, eax

    lea eax, [rcx + rbx]

    sub ebx, ecx

    lea ecx, [rax + rbp]

    sub ebp, eax

    mov rax, qword ptr [rsp + 8]

    mov dword ptr [rsp], ecx

    lea ecx, [rbx + r11]

    sub r11d, ebx

    vmovd xmm1, dword ptr [rsp]

    lea ebx, [rax + r15]

    sub r15d, eax

    lea eax, [r8 + rdx]

    sub edx, r8d

    lea r8d, [rax + rbx]

    sub ebx, eax

    lea eax, [rdx + r15]

    sub r15d, edx

    lea edx, [r14 + r9]

    sub r9d, r14d

    vpinsrd xmm1, xmm1, ecx, 1
    mov rcx, qword ptr [rsp + 16]
    vmovd xmm0, r8d
    vpinsrd xmm1, xmm1, ebp, 2
    vpinsrd xmm1, xmm1, r11d, 3
    vpinsrd xmm0, xmm0, eax, 1
    vpinsrd xmm0, xmm0, ebx, 2

    lea ebx, [rdi + rsi]

    sub esi, edi

    lea edi, [rbx + rdx]

    sub edx, ebx

    lea ebx, [rsi + r9]

    vpinsrd xmm0, xmm0, r15d, 3

    sub r9d, esi

    vmovd xmm2, edi
    vinserti128 ymm0, ymm1, xmm0, 1

    lea eax, [rcx + r12]

    sub r12d, ecx

    lea ecx, [r13 + r10]

    sub r10d, r13d

    vpabsd ymm0, ymm0

    lea ebp, [rcx + rax]

    sub eax, ecx

    lea ecx, [r10 + r12]

    vpinsrd xmm2, xmm2, ebx, 1

    sub r12d, r10d

    vmovd xmm3, ebp
    vpinsrd xmm2, xmm2, edx, 2
    vpinsrd xmm2, xmm2, r9d, 3
    vpinsrd xmm3, xmm3, ecx, 1
    vpinsrd xmm1, xmm3, eax, 2
    vpinsrd xmm1, xmm1, r12d, 3
    vinserti128 ymm1, ymm1, xmm2, 1

    vpabsd ymm1, ymm1

    vpaddd ymm0, ymm1, ymm0

    vmovd eax, xmm0

    vpextrd ecx, xmm0, 1

    add rcx, rax

    vpextrd eax, xmm0, 2

    add rax, rcx

    vpextrd ecx, xmm0, 3

    vextracti128 xmm0, ymm0, 1

    add rcx, rax

    vmovd eax, xmm0
    vpextrd edx, xmm0, 2

    add rax, rcx

    vpextrd ecx, xmm0, 1

    add rcx, rax

    vpextrd eax, xmm0, 3

    add rdx, rcx

    add rax, rdx

    add rsp, 24
    .cfi_def_cfa_offset 56
    pop rbx
    .cfi_def_cfa_offset 48
    pop r12

    .cfi_def_cfa_offset 40
    pop r13

    .cfi_def_cfa_offset 32
    pop r14

    .cfi_def_cfa_offset 24
    pop r15
    .cfi_def_cfa_offset 16
    pop rbp

    .cfi_def_cfa_offset 8
    vzeroupper

    ret

.Lfunc_end666:
    .size   rav1e::asm::x86::dist::hbd::satd_kernel_4x4_hbd_avx2, .Lfunc_end666-rav1e::asm::x86::dist::hbd::satd_kernel_4x4_hbd_avx2