Index: gcc/gmp/mpn/powerpc64/mode64/diveby3.asm |
diff --git a/gcc/gmp/mpn/powerpc64/mode64/diveby3.asm b/gcc/gmp/mpn/powerpc64/mode64/diveby3.asm |
deleted file mode 100644 |
index d96f775d71bb6638e68ecd0a6696829189a6a02b..0000000000000000000000000000000000000000 |
--- a/gcc/gmp/mpn/powerpc64/mode64/diveby3.asm |
+++ /dev/null |
@@ -1,83 +0,0 @@ |
-dnl PowerPC-64 mpn_divexact_by3 -- mpn by 3 exact division |
- |
-dnl Copyright 2006 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 POWER3/PPC630: 13 |
-C POWER4/PPC970: 13 |
-C POWER5: 13 |
- |
-C INPUT PARAMETERS |
-define(`rp', `r3') |
-define(`up', `r4') |
-define(`n', `r5') |
-define(`cy', `r6') |
- |
-define(`xAAAAAAAB',`r7') |
-define(`xAAAAAAAA', `r9') |
-define(`q', `r10') |
-define(`ul', `r11') |
-define(`one', `r12') |
- |
- |
-ASM_START() |
-PROLOGUE(mpn_divexact_by3c) |
- |
- mtctr r5 |
- li r7, -0x5556 C 0xFFFFFFFFFFFFAAAA |
- ld ul, 0(up) |
- rldimi r7, r7, 16, 32 C 0xFFFFFFFFAAAAAAAA |
- rldimi r7, r7, 32, 63 C 0xAAAAAAAAAAAAAAAB = 1/3 |
- |
- addi r9, r7, -1 C 0xAAAAAAAAAAAAAAAA |
- li one, 1 |
- |
- subfc ul, cy, ul C C = (cy <= up[0]) |
- subfe cy, r1, r1 C cy = -(cy > up[0]) |
- bdz L(end) |
- |
- ALIGN(16) |
-L(top): mulld q, ul, xAAAAAAAB |
- |
- ld ul, 8(up) |
- addi up, up, 8 |
- addc r0, xAAAAAAAA, q C set C flag if q >= 0x5555...56 |
- |
- subfe cy, cy, one C cy = 1-cy-1+C |
- subfc r0, q, xAAAAAAAA C set C flag if q < 0xAAAA...AA |
- |
- subfe ul, cy, ul C ul = ul-cy-1+C |
- std q, 0(rp) |
- addi rp, rp, 8 |
- |
- subfe cy, r1, r1 |
- bdnz L(top) |
- |
-L(end): mulld q, ul, xAAAAAAAB |
- addc r0, xAAAAAAAA, q |
- |
- subfe cy, cy, one |
- subfc r0, q, xAAAAAAAA |
- |
- std q, 0(rp) |
- subfe r3, r1, r1 |
- subf r3, r3, cy |
- blr |
-EPILOGUE() |