| dnl Alpha mpn_sqr_diagonal. |
| |
| dnl Copyright 2001, 2002 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 EV4: 42 |
| C EV5: 18 |
| C EV6: 3.45 |
| |
| C INPUT PARAMETERS |
| C rp r16 |
| C up r17 |
| C n r18 |
| |
| |
| ASM_START() |
| PROLOGUE(mpn_sqr_diagonal) |
| ldq r2,0(r17) C r2 = s1_limb |
| lda r18,-2(r18) C size -= 2 |
| mulq r2,r2,r3 C r3 = prod_low |
| umulh r2,r2,r4 C r4 = prod_high |
| blt r18,$Lend1 C jump if size was == 1 |
| ldq r2,8(r17) C r2 = s1_limb |
| beq r18,$Lend2 C jump if size was == 2 |
| |
| ALIGN(8) |
| $Loop: stq r3,0(r16) |
| mulq r2,r2,r3 C r3 = prod_low |
| lda r18,-1(r18) C size-- |
| stq r4,8(r16) |
| umulh r2,r2,r4 C r4 = cy_limb |
| ldq r2,16(r17) C r2 = s1_limb |
| lda r17,8(r17) C s1_ptr++ |
| lda r16,16(r16) C res_ptr++ |
| bne r18,$Loop |
| |
| $Lend2: stq r3,0(r16) |
| mulq r2,r2,r3 C r3 = prod_low |
| stq r4,8(r16) |
| umulh r2,r2,r4 C r4 = cy_limb |
| stq r3,16(r16) |
| stq r4,24(r16) |
| ret r31,(r26),1 |
| $Lend1: stq r3,0(r16) |
| stq r4,8(r16) |
| ret r31,(r26),1 |
| EPILOGUE(mpn_sqr_diagonal) |
| ASM_END() |