| dnl PowerPC-32 mpn_sqr_diagonal. |
| |
| dnl Copyright 2001, 2002, 2003, 2005 Free Software Foundation, Inc. |
| |
| dnl This file is part of the GNU MP Library. |
| |
| dnl The GNU MP Library is free software; you can redistribute it and/or modify |
| dnl it under the terms of the GNU Lesser General Public License as published |
| dnl by the Free Software Foundation; either version 3 of the License, or (at |
| dnl your option) any later version. |
| |
| dnl The GNU MP Library is distributed in the hope that it will be useful, but |
| dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
| dnl License for more details. |
| |
| dnl You should have received a copy of the GNU Lesser General Public License |
| dnl along with the GNU MP Library. If not, see http://www.gnu.org/licenses/. |
| |
| include(`../config.m4') |
| |
| C cycles/limb |
| C 603e: ? |
| C 604e: 4.0 |
| C 75x (G3): 10.5 |
| C 7400,7410 (G4): 10.5 |
| C 744x,745x (G4+): 4.0 |
| C power4/ppc970: 8.6 |
| C power5: 7.0 |
| |
| C INPUT PARAMETERS |
| C rp r3 |
| C up r4 |
| C n r5 |
| |
| ASM_START() |
| PROLOGUE(mpn_sqr_diagonal) |
| lwz r6,0(r4) |
| mtctr r5 |
| |
| addi r3,r3,-4 |
| bdz L(end1) |
| |
| lwzu r7,4(r4) |
| mullw r9,r6,r6 |
| mulhwu r11,r6,r6 |
| bdz L(end2) |
| |
| lwzu r6,4(r4) |
| mullw r8,r7,r7 |
| mulhwu r10,r7,r7 |
| bdz L(ende) |
| |
| L(loop): |
| lwzu r7,4(r4) |
| stw r9,4(r3) |
| mullw r9,r6,r6 |
| stwu r11,8(r3) |
| mulhwu r11,r6,r6 |
| bdz L(endo) |
| lwzu r6,4(r4) |
| stw r8,4(r3) |
| mullw r8,r7,r7 |
| stwu r10,8(r3) |
| mulhwu r10,r7,r7 |
| bdnz L(loop) |
| |
| L(ende): |
| stw r9,4(r3) |
| mullw r9,r6,r6 |
| stw r11,8(r3) |
| mulhwu r11,r6,r6 |
| stw r8,12(r3) |
| stw r10,16(r3) |
| stw r9,20(r3) |
| stw r11,24(r3) |
| blr |
| L(endo): |
| stw r8,4(r3) |
| mullw r8,r7,r7 |
| stw r10,8(r3) |
| mulhwu r10,r7,r7 |
| stw r9,12(r3) |
| stw r11,16(r3) |
| stw r8,20(r3) |
| stw r10,24(r3) |
| blr |
| |
| L(end2): |
| mullw r8,r7,r7 |
| stw r9,4(r3) |
| mulhwu r10,r7,r7 |
| stw r11,8(r3) |
| stw r8,12(r3) |
| stw r10,16(r3) |
| blr |
| L(end1): |
| mullw r9,r6,r6 |
| mulhwu r11,r6,r6 |
| stw r9,4(r3) |
| stw r11,8(r3) |
| blr |
| EPILOGUE(mpn_sqr_diagonal) |
