| 198,28 → 198,11 |
|---|
| ;---------------------------- edi - pointer to vector ----- |
| ;----------------------- out : none |
| normalize_vector: |
| if Ext = SSE2 | Ext = SSE | Ext = SSE3 |
| if Ext >= SSE3 |
| movups xmm0,[edi] |
| andps xmm0,[zero_hgst_dd] |
| movups xmm1,xmm0 |
| mulps xmm0,xmm0 |
| movhlps xmm2,xmm0 |
| addps xmm0,xmm2 |
| movaps xmm2,xmm0 |
| shufps xmm2,xmm2,11100001b |
| addps xmm0,xmm2 |
| shufps xmm0,xmm0,0 |
| rsqrtps xmm0,xmm0 |
| mulps xmm0,xmm1 |
| movlps [edi],xmm0 |
| movhlps xmm0,xmm0 |
| movss [edi+8],xmm0 |
| end if |
| if 0 ; Ext >= SSE3 |
| movups xmm0,[edi] |
| andps xmm0,[zero_hgst_dd] |
| movups xmm1,xmm0 |
| mulps xmm0,xmm0 |
| haddps xmm0,xmm0 |
| haddps xmm0,xmm0 |
| rsqrtps xmm0,xmm0 |
| 227,8 → 210,7 |
|---|
| movlps [edi],xmm0 |
| movhlps xmm0,xmm0 |
| movss [edi+8],xmm0 |
| end if |
| if Ext < SSE |
| else |
| |
| fninit |
| fld dword [edi+vec_x] |