1dnl PowerPC-64 mpn_copyd. 2 3dnl Copyright 2004, 2005, 2013 Free Software Foundation, Inc. 4 5dnl This file is part of the GNU MP Library. 6dnl 7dnl The GNU MP Library is free software; you can redistribute it and/or modify 8dnl it under the terms of either: 9dnl 10dnl * the GNU Lesser General Public License as published by the Free 11dnl Software Foundation; either version 3 of the License, or (at your 12dnl option) any later version. 13dnl 14dnl or 15dnl 16dnl * the GNU General Public License as published by the Free Software 17dnl Foundation; either version 2 of the License, or (at your option) any 18dnl later version. 19dnl 20dnl or both in parallel, as here. 21dnl 22dnl The GNU MP Library is distributed in the hope that it will be useful, but 23dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 24dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 25dnl for more details. 26dnl 27dnl You should have received copies of the GNU General Public License and the 28dnl GNU Lesser General Public License along with the GNU MP Library. If not, 29dnl see https://www.gnu.org/licenses/. 30 31include(`../config.m4') 32 33C cycles/limb 34C POWER3/PPC630 ? 35C POWER4/PPC970 ? 36C POWER5 ? 37C POWER6 1.25 38C POWER7 1.09 39 40C INPUT PARAMETERS 41define(`rp', `r3') 42define(`up', `r4') 43define(`n', `r5') 44 45ASM_START() 46PROLOGUE(mpn_copyd) 47 48ifdef(`HAVE_ABI_mode32', 49` rldicl n, n, 0,32') 50 51 sldi r0, n, 3 52 add up, up, r0 C point at u[] end 53 add rp, rp, r0 C point at r[] end 54 55 cmpdi cr0, n, 4 56 blt L(sml) 57 58 addi r10, n, 4 59 srdi r10, r10, 3 60 mtctr r10 61 62 andi. r0, n, 1 63 rlwinm r11, n, 0,30,30 64 rlwinm r12, n, 0,29,29 65 cmpdi cr6, r11, 0 66 cmpdi cr7, r12, 0 67 68 beq cr0, L(xx0) 69L(xx1): ld r6, -8(up) 70 addi up, up, -8 71 std r6, -8(rp) 72 addi rp, rp, -8 73 74L(xx0): bne cr6, L(x10) 75L(x00): ld r6, -8(up) 76 ld r7, -16(up) 77 bne cr7, L(100) 78L(000): addi rp, rp, 32 79 b L(lo0) 80L(100): addi up, up, 32 81 b L(lo4) 82L(x10): ld r8, -8(up) 83 ld r9, -16(up) 84 bne cr7, L(110) 85L(010): addi up, up, -16 86 addi rp, rp, 16 87 b L(lo2) 88L(110): addi up, up, 16 89 addi rp, rp, 48 90 b L(lo6) 91 92L(sml): cmpdi cr0, n, 0 93 beqlr- cr0 94 mtctr n 95L(t): ld r6, -8(up) 96 addi up, up, -8 97 std r6, -8(rp) 98 addi rp, rp, -8 99 bdnz L(t) 100 blr 101 102 ALIGN(32) 103L(top): std r6, -8(rp) 104 std r7, -16(rp) 105L(lo2): ld r6, -8(up) 106 ld r7, -16(up) 107 std r8, -24(rp) 108 std r9, -32(rp) 109L(lo0): ld r8, -24(up) 110 ld r9, -32(up) 111 std r6, -40(rp) 112 std r7, -48(rp) 113L(lo6): ld r6, -40(up) 114 ld r7, -48(up) 115 std r8, -56(rp) 116 std r9, -64(rp) 117 addi rp, rp, -64 118L(lo4): ld r8, -56(up) 119 ld r9, -64(up) 120 addi up, up, -64 121 bdnz L(top) 122 123L(end): std r6, -8(rp) 124 std r7, -16(rp) 125 std r8, -24(rp) 126 std r9, -32(rp) 127 blr 128EPILOGUE() 129