mov rax, rbp ;# zero integer registers xor r8, r8 xor r9, r9 xor r10, r10 xor r11, r11 xor r12, r12 xor r13, r13 xor r14, r14 xor r15, r15 ;# load constant registers lea rcx, [rcx+120] movapd xmm8, xmmword ptr [rcx+72] movapd xmm9, xmmword ptr [rcx+88] movapd xmm10, xmmword ptr [rcx+104] movapd xmm11, xmmword ptr [rcx+120] movapd xmm13, xmmword ptr [minDbl] movapd xmm14, xmmword ptr [absMask] movapd xmm15, xmmword ptr [signMask]