DEFAULT REL SECTION .text global udiv128 global recompiler_fres global recompiler_frsqrte udiv128: mov rax, rcx div r8 mov [r9], rdx ret recompiler_fres: ; store all modified registers push rdx push rcx push rax push r8 lea r8,[asmFresLookupTable] movq rdx, xmm15 mov rcx,rdx shr rcx,2Fh mov rax,rdx and ecx,1Fh shr rax,25h and eax,3FFh imul eax,dword [r8+rcx*8+4] mov r8d,dword [r8+rcx*8] mov rcx,rdx shr rcx,34h inc eax shr eax,1 sub r8d,eax and ecx,7FFh jne fres_espresso_label3 mov rax,7FF0000000000000h or rdx,rax movq xmm15, rdx pop r8 pop rax pop rcx pop rdx ret fres_espresso_label3: cmp ecx,7FFh jne fres_espresso_label4 mov rax,0FFFFFFFFFFFFFh test rax,rdx jne fres_espresso_label1 test rdx,rdx jns fres_espresso_label2 mov rax,8000000000000000h movq xmm15, rax pop r8 pop rax pop rcx pop rdx ret fres_espresso_label2: xorps xmm15,xmm15 pop r8 pop rax pop rcx pop rdx ret fres_espresso_label4: mov eax,7FDh sub eax,ecx mov ecx,eax mov rax,8000000000000000h and rdx,rax shl rcx,34h mov eax,r8d or rcx,rdx shl rax,1Dh add rcx,rax movq xmm15, rcx fres_espresso_label1: pop r8 pop rax pop rcx pop rdx ret asmFresLookupTable: DD 07ff800h, 03e1h DD 0783800h, 03a7h DD 070ea00h, 0371h DD 06a0800h, 0340h DD 0638800h, 0313h DD 05d6200h, 02eah DD 0579000h, 02c4h DD 0520800h, 02a0h DD 04cc800h, 027fh DD 047ca00h, 0261h DD 0430800h, 0245h DD 03e8000h, 022ah DD 03a2c00h, 0212h DD 0360800h, 01fbh DD 0321400h, 01e5h DD 02e4a00h, 01d1h DD 02aa800h, 01beh DD 0272c00h, 01ach DD 023d600h, 019bh DD 0209e00h, 018bh DD 01d8800h, 017ch DD 01a9000h, 016eh DD 017ae00h, 015bh DD 014f800h, 015bh DD 0124400h, 0143h DD 0fbe00h, 0143h DD 0d3800h, 012dh DD 0ade00h, 012dh DD 088400h, 011ah DD 065000h, 011ah DD 041c00h, 0108h DD 020c00h, 0106h recompiler_frsqrte: ; store all modified registers push rdx push rcx push rax push r8 push r9 movq r8, xmm15 mov rax,7FFFFFFFFFFFFFFFh test rax,r8 jne frsqrte_espresso_label1 mov rax,0FFF0000000000000h and r8,rax mov rax,7FF0000000000000h or r8,rax movq xmm15, r8 pop r9 pop r8 pop rax pop rcx pop rdx ret frsqrte_espresso_label1: mov r9,r8 shr r9,34h and r9d,7FFh cmp r9d,7FFh jne frsqrte_espresso_label2 mov rax,0FFFFFFFFFFFFFh test rax,r8 jne frsqrte_espresso_label3 test r8,r8 js frsqrte_espresso_label4 xorps xmm15,xmm15 pop r9 pop r8 pop rax pop rcx pop rdx ret frsqrte_espresso_label2: test r8,r8 jns frsqrte_espresso_label5 frsqrte_espresso_label4: mov rax,7FF8000000000000h movq xmm15, rax pop r9 pop r8 pop rax pop rcx pop rdx ret frsqrte_espresso_label5: lea rdx,[asmFrsqrteLookupTable] mov rax,r8 shr rax,30h mov rcx,r8 shr rcx,25h and eax,1Fh and ecx,7FFh imul ecx,dword [rdx+rax*8+4] mov eax,dword [rdx+rax*8] sub eax,ecx lea ecx,[r9-3FDh] shr ecx,1 movsxd rdx,eax mov eax,3FFh sub eax,ecx shl rdx,1Ah mov ecx,eax mov rax,8000000000000000h and r8,rax shl rcx,34h or rcx,r8 add rdx,rcx movq xmm15, rdx frsqrte_espresso_label3: pop r9 pop r8 pop rax pop rcx pop rdx ret asmFrsqrteLookupTable: DD 01a7e800h, 0568h DD 017cb800h, 04f3h DD 01552800h, 048dh DD 0130c000h, 0435h DD 010f2000h, 03e7h DD 0eff000h, 03a2h DD 0d2e000h, 0365h DD 0b7c000h, 032eh DD 09e5000h, 02fch DD 0867000h, 02d0h DD 06ff000h, 02a8h DD 05ab800h, 0283h DD 046a000h, 0261h DD 0339800h, 0243h DD 0218800h, 0226h DD 0105800h, 020bh DD 03ffa000h, 07a4h DD 03c29000h, 0700h DD 038aa000h, 0670h DD 03572000h, 05f2h DD 03279000h, 0584h DD 02fb7000h, 0524h DD 02d26000h, 04cch DD 02ac0000h, 047eh DD 02881000h, 043ah DD 02665000h, 03fah DD 02468000h, 03c2h DD 02287000h, 038eh DD 020c1000h, 035eh DD 01f12000h, 0332h DD 01d79000h, 030ah DD 01bf4000h, 02e6h