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dnl AMD64 logops.
dnl Copyright 2004-2017 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 c/l c/l c/l good
C var-1 var-2 var-3 for cpu?
C AMD K8,K9 1.5 1.5 1.5 y
C AMD K10 1.5 1.5 1.5 y
C AMD bd1
C AMD bd2
C AMD bd3
C AMD bd4
C AMD bt1 2.67 ~2.79 ~2.67
C AMD bt2 2.0 2.28 2.28 y
C AMD zen 1.5 1.5 1.5 =
C Intel P4 2.8 3.35 3.6
C Intel PNR 2.0 2.0 2.0 =
C Intel NHM 2.0 2.0 2.0 =
C Intel SBR 1.5 1.75 1.75 n
C Intel IBR 1.48 1.71 1.72 n
C Intel HWL 1.5 1.5 1.5 n
C Intel BWL 1.5 1.5 1.5 n
C Intel SKL 1.5 1.5 1.5 n
C Intel atom 3.82 3.82 3.82 n
C Intel SLM 3.0 3.0 3.0 =
C VIA nano 3.25
ifdef(`OPERATION_and_n',`
define(`func',`mpn_and_n')
define(`VARIANT_1')
define(`LOGOP',`and')')
ifdef(`OPERATION_andn_n',`
define(`func',`mpn_andn_n')
define(`VARIANT_2')
define(`LOGOP',`and')')
ifdef(`OPERATION_nand_n',`
define(`func',`mpn_nand_n')
define(`VARIANT_3')
define(`LOGOP',`and')')
ifdef(`OPERATION_ior_n',`
define(`func',`mpn_ior_n')
define(`VARIANT_1')
define(`LOGOP',`or')')
ifdef(`OPERATION_iorn_n',`
define(`func',`mpn_iorn_n')
define(`VARIANT_2')
define(`LOGOP',`or')')
ifdef(`OPERATION_nior_n',`
define(`func',`mpn_nior_n')
define(`VARIANT_3')
define(`LOGOP',`or')')
ifdef(`OPERATION_xor_n',`
define(`func',`mpn_xor_n')
define(`VARIANT_1')
define(`LOGOP',`xor')')
ifdef(`OPERATION_xnor_n',`
define(`func',`mpn_xnor_n')
define(`VARIANT_2')
define(`LOGOP',`xor')')
MULFUNC_PROLOGUE(mpn_and_n mpn_andn_n mpn_nand_n mpn_ior_n mpn_iorn_n mpn_nior_n mpn_xor_n mpn_xnor_n)
C INPUT PARAMETERS
define(`rp',`%rdi')
define(`up',`%rsi')
define(`vp',`%rdx')
define(`n',`%rcx')
ABI_SUPPORT(DOS64)
ABI_SUPPORT(STD64)
ASM_START()
ifdef(`VARIANT_1',`
TEXT
ALIGN(32)
PROLOGUE(func)
FUNC_ENTRY(4)
mov (vp), %r8
mov R32(%rcx), R32(%rax)
lea (vp,n,8), vp
lea (up,n,8), up
lea (rp,n,8), rp
neg n
and $3, R32(%rax)
je L(b00)
cmp $2, R32(%rax)
jc L(b01)
je L(b10)
L(b11): LOGOP (up,n,8), %r8
mov %r8, (rp,n,8)
dec n
jmp L(e11)
L(b10): add $-2, n
jmp L(e10)
L(b01): LOGOP (up,n,8), %r8
mov %r8, (rp,n,8)
inc n
jz L(ret)
L(top): mov (vp,n,8), %r8
L(b00): mov 8(vp,n,8), %r9
LOGOP (up,n,8), %r8
LOGOP 8(up,n,8), %r9
nop C K8/K9/K10 concession
mov %r8, (rp,n,8)
mov %r9, 8(rp,n,8)
L(e11): mov 16(vp,n,8), %r8
L(e10): mov 24(vp,n,8), %r9
LOGOP 16(up,n,8), %r8
LOGOP 24(up,n,8), %r9
mov %r8, 16(rp,n,8)
mov %r9, 24(rp,n,8)
add $4, n
jnc L(top)
L(ret): FUNC_EXIT()
ret
EPILOGUE()
')
ifdef(`VARIANT_2',`
TEXT
ALIGN(32)
PROLOGUE(func)
FUNC_ENTRY(4)
mov (vp), %r8
not %r8
mov R32(%rcx), R32(%rax)
lea (vp,n,8), vp
lea (up,n,8), up
lea (rp,n,8), rp
neg n
and $3, R32(%rax)
je L(b00)
cmp $2, R32(%rax)
jc L(b01)
je L(b10)
L(b11): LOGOP (up,n,8), %r8
mov %r8, (rp,n,8)
dec n
jmp L(e11)
L(b10): add $-2, n
jmp L(e10)
.byte 0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90
L(b01): LOGOP (up,n,8), %r8
mov %r8, (rp,n,8)
inc n
jz L(ret)
L(top): mov (vp,n,8), %r8
not %r8
L(b00): mov 8(vp,n,8), %r9
not %r9
LOGOP (up,n,8), %r8
LOGOP 8(up,n,8), %r9
mov %r8, (rp,n,8)
mov %r9, 8(rp,n,8)
L(e11): mov 16(vp,n,8), %r8
not %r8
L(e10): mov 24(vp,n,8), %r9
not %r9
LOGOP 16(up,n,8), %r8
LOGOP 24(up,n,8), %r9
mov %r8, 16(rp,n,8)
mov %r9, 24(rp,n,8)
add $4, n
jnc L(top)
L(ret): FUNC_EXIT()
ret
EPILOGUE()
')
ifdef(`VARIANT_3',`
TEXT
ALIGN(32)
PROLOGUE(func)
FUNC_ENTRY(4)
mov (vp), %r8
mov R32(%rcx), R32(%rax)
lea (vp,n,8), vp
lea (up,n,8), up
lea (rp,n,8), rp
neg n
and $3, R32(%rax)
je L(b00)
cmp $2, R32(%rax)
jc L(b01)
je L(b10)
L(b11): LOGOP (up,n,8), %r8
not %r8
mov %r8, (rp,n,8)
dec n
jmp L(e11)
L(b10): add $-2, n
jmp L(e10)
.byte 0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90
L(b01): LOGOP (up,n,8), %r8
not %r8
mov %r8, (rp,n,8)
inc n
jz L(ret)
L(top): mov (vp,n,8), %r8
L(b00): mov 8(vp,n,8), %r9
LOGOP (up,n,8), %r8
not %r8
LOGOP 8(up,n,8), %r9
not %r9
mov %r8, (rp,n,8)
mov %r9, 8(rp,n,8)
L(e11): mov 16(vp,n,8), %r8
L(e10): mov 24(vp,n,8), %r9
LOGOP 16(up,n,8), %r8
not %r8
LOGOP 24(up,n,8), %r9
not %r9
mov %r8, 16(rp,n,8)
mov %r9, 24(rp,n,8)
add $4, n
jnc L(top)
L(ret): FUNC_EXIT()
ret
EPILOGUE()
')
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