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Unified Diff: gcc/gmp/mpn/powerpc64/mode64/diveby3.asm

Issue 3050029: [gcc] GCC 4.5.0=>4.5.1 (Closed) Base URL: ssh://git@gitrw.chromium.org:9222/nacl-toolchain.git
Patch Set: Created 10 years, 5 months ago
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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()
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