diff options
author | Thomas Voss <mail@thomasvoss.com> | 2024-06-21 23:36:36 +0200 |
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committer | Thomas Voss <mail@thomasvoss.com> | 2024-06-21 23:42:26 +0200 |
commit | a89a14ef5da44684a16b204e7a70460cc8c4922a (patch) | |
tree | b23b4c6b155977909ef508fdae2f48d33d802813 /vendor/gmp-6.3.0/mpn/powerpc64/copyi.asm | |
parent | 1db63fcedab0b288820d66e100b1877b1a5a8851 (diff) |
Basic constant folding implementation
Diffstat (limited to 'vendor/gmp-6.3.0/mpn/powerpc64/copyi.asm')
-rw-r--r-- | vendor/gmp-6.3.0/mpn/powerpc64/copyi.asm | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/vendor/gmp-6.3.0/mpn/powerpc64/copyi.asm b/vendor/gmp-6.3.0/mpn/powerpc64/copyi.asm new file mode 100644 index 0000000..9a86cb2 --- /dev/null +++ b/vendor/gmp-6.3.0/mpn/powerpc64/copyi.asm @@ -0,0 +1,78 @@ +dnl PowerPC-64 mpn_copyi. + +dnl Copyright 2004, 2005 Free Software Foundation, Inc. + +dnl This file is part of the GNU MP Library. +dnl +dnl The GNU MP Library is free software; you can redistribute it and/or modify +dnl it under the terms of either: +dnl +dnl * the GNU Lesser General Public License as published by the Free +dnl Software Foundation; either version 3 of the License, or (at your +dnl option) any later version. +dnl +dnl or +dnl +dnl * the GNU General Public License as published by the Free Software +dnl Foundation; either version 2 of the License, or (at your option) any +dnl later version. +dnl +dnl or both in parallel, as here. +dnl +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 General Public License +dnl for more details. +dnl +dnl You should have received copies of the GNU General Public License and the +dnl GNU Lesser General Public License along with the GNU MP Library. If not, +dnl see https://www.gnu.org/licenses/. + +include(`../config.m4') + +C cycles/limb +C POWER3/PPC630 1 +C POWER4/PPC970 1 +C POWER5 ? +C POWER6 ? +C POWER7 1.4 + +C INPUT PARAMETERS +C rp r3 +C up r4 +C n r5 + +ASM_START() +PROLOGUE(mpn_copyi) + rldic. r0, r5, 3, 59 C r0 = (r5 & 3) << 3; cr0 = (n == 4t)? + cmpldi cr6, r0, 16 C cr6 = (n cmp 4t + 2)? + + addi r5, r5, 4 C compute... +ifdef(`HAVE_ABI_mode32', +` rldicl r5, r5, 62,34', C ...branch count +` rldicl r5, r5, 62, 2') C ...branch count + mtctr r5 + + add r4, r4, r0 C offset up + add r3, r3, r0 C offset rp + + beq cr0, L(L00) + blt cr6, L(L01) + beq cr6, L(L10) + b L(L11) + + ALIGN(16) +L(oop): ld r6, -32(r4) + std r6, -32(r3) +L(L11): ld r6, -24(r4) + std r6, -24(r3) +L(L10): ld r6, -16(r4) + std r6, -16(r3) +L(L01): ld r6, -8(r4) + std r6, -8(r3) +L(L00): addi r4, r4, 32 + addi r3, r3, 32 + bdnz L(oop) + + blr +EPILOGUE() |