mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-26 02:50:54 +07:00
68411521cc
This patch reinstates commits67822649d739761214ee0b95a7f85731d939625a2d31e518a4Now that module softdeps are in the kernel we can use that to resolve the boot issue which cause the revert. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
644 lines
16 KiB
ArmAsm
644 lines
16 KiB
ArmAsm
########################################################################
|
|
# Implement fast CRC-T10DIF computation with SSE and PCLMULQDQ instructions
|
|
#
|
|
# Copyright (c) 2013, Intel Corporation
|
|
#
|
|
# Authors:
|
|
# Erdinc Ozturk <erdinc.ozturk@intel.com>
|
|
# Vinodh Gopal <vinodh.gopal@intel.com>
|
|
# James Guilford <james.guilford@intel.com>
|
|
# Tim Chen <tim.c.chen@linux.intel.com>
|
|
#
|
|
# This software is available to you under a choice of one of two
|
|
# licenses. You may choose to be licensed under the terms of the GNU
|
|
# General Public License (GPL) Version 2, available from the file
|
|
# COPYING in the main directory of this source tree, or the
|
|
# OpenIB.org BSD license below:
|
|
#
|
|
# Redistribution and use in source and binary forms, with or without
|
|
# modification, are permitted provided that the following conditions are
|
|
# met:
|
|
#
|
|
# * Redistributions of source code must retain the above copyright
|
|
# notice, this list of conditions and the following disclaimer.
|
|
#
|
|
# * Redistributions in binary form must reproduce the above copyright
|
|
# notice, this list of conditions and the following disclaimer in the
|
|
# documentation and/or other materials provided with the
|
|
# distribution.
|
|
#
|
|
# * Neither the name of the Intel Corporation nor the names of its
|
|
# contributors may be used to endorse or promote products derived from
|
|
# this software without specific prior written permission.
|
|
#
|
|
#
|
|
# THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION ""AS IS"" AND ANY
|
|
# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL CORPORATION OR
|
|
# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
|
|
# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
|
|
# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
########################################################################
|
|
# Function API:
|
|
# UINT16 crc_t10dif_pcl(
|
|
# UINT16 init_crc, //initial CRC value, 16 bits
|
|
# const unsigned char *buf, //buffer pointer to calculate CRC on
|
|
# UINT64 len //buffer length in bytes (64-bit data)
|
|
# );
|
|
#
|
|
# Reference paper titled "Fast CRC Computation for Generic
|
|
# Polynomials Using PCLMULQDQ Instruction"
|
|
# URL: http://www.intel.com/content/dam/www/public/us/en/documents
|
|
# /white-papers/fast-crc-computation-generic-polynomials-pclmulqdq-paper.pdf
|
|
#
|
|
#
|
|
|
|
#include <linux/linkage.h>
|
|
|
|
.text
|
|
|
|
#define arg1 %rdi
|
|
#define arg2 %rsi
|
|
#define arg3 %rdx
|
|
|
|
#define arg1_low32 %edi
|
|
|
|
ENTRY(crc_t10dif_pcl)
|
|
.align 16
|
|
|
|
# adjust the 16-bit initial_crc value, scale it to 32 bits
|
|
shl $16, arg1_low32
|
|
|
|
# Allocate Stack Space
|
|
mov %rsp, %rcx
|
|
sub $16*2, %rsp
|
|
# align stack to 16 byte boundary
|
|
and $~(0x10 - 1), %rsp
|
|
|
|
# check if smaller than 256
|
|
cmp $256, arg3
|
|
|
|
# for sizes less than 128, we can't fold 64B at a time...
|
|
jl _less_than_128
|
|
|
|
|
|
# load the initial crc value
|
|
movd arg1_low32, %xmm10 # initial crc
|
|
|
|
# crc value does not need to be byte-reflected, but it needs
|
|
# to be moved to the high part of the register.
|
|
# because data will be byte-reflected and will align with
|
|
# initial crc at correct place.
|
|
pslldq $12, %xmm10
|
|
|
|
movdqa SHUF_MASK(%rip), %xmm11
|
|
# receive the initial 64B data, xor the initial crc value
|
|
movdqu 16*0(arg2), %xmm0
|
|
movdqu 16*1(arg2), %xmm1
|
|
movdqu 16*2(arg2), %xmm2
|
|
movdqu 16*3(arg2), %xmm3
|
|
movdqu 16*4(arg2), %xmm4
|
|
movdqu 16*5(arg2), %xmm5
|
|
movdqu 16*6(arg2), %xmm6
|
|
movdqu 16*7(arg2), %xmm7
|
|
|
|
pshufb %xmm11, %xmm0
|
|
# XOR the initial_crc value
|
|
pxor %xmm10, %xmm0
|
|
pshufb %xmm11, %xmm1
|
|
pshufb %xmm11, %xmm2
|
|
pshufb %xmm11, %xmm3
|
|
pshufb %xmm11, %xmm4
|
|
pshufb %xmm11, %xmm5
|
|
pshufb %xmm11, %xmm6
|
|
pshufb %xmm11, %xmm7
|
|
|
|
movdqa rk3(%rip), %xmm10 #xmm10 has rk3 and rk4
|
|
#imm value of pclmulqdq instruction
|
|
#will determine which constant to use
|
|
|
|
#################################################################
|
|
# we subtract 256 instead of 128 to save one instruction from the loop
|
|
sub $256, arg3
|
|
|
|
# at this section of the code, there is 64*x+y (0<=y<64) bytes of
|
|
# buffer. The _fold_64_B_loop will fold 64B at a time
|
|
# until we have 64+y Bytes of buffer
|
|
|
|
|
|
# fold 64B at a time. This section of the code folds 4 xmm
|
|
# registers in parallel
|
|
_fold_64_B_loop:
|
|
|
|
# update the buffer pointer
|
|
add $128, arg2 # buf += 64#
|
|
|
|
movdqu 16*0(arg2), %xmm9
|
|
movdqu 16*1(arg2), %xmm12
|
|
pshufb %xmm11, %xmm9
|
|
pshufb %xmm11, %xmm12
|
|
movdqa %xmm0, %xmm8
|
|
movdqa %xmm1, %xmm13
|
|
pclmulqdq $0x0 , %xmm10, %xmm0
|
|
pclmulqdq $0x11, %xmm10, %xmm8
|
|
pclmulqdq $0x0 , %xmm10, %xmm1
|
|
pclmulqdq $0x11, %xmm10, %xmm13
|
|
pxor %xmm9 , %xmm0
|
|
xorps %xmm8 , %xmm0
|
|
pxor %xmm12, %xmm1
|
|
xorps %xmm13, %xmm1
|
|
|
|
movdqu 16*2(arg2), %xmm9
|
|
movdqu 16*3(arg2), %xmm12
|
|
pshufb %xmm11, %xmm9
|
|
pshufb %xmm11, %xmm12
|
|
movdqa %xmm2, %xmm8
|
|
movdqa %xmm3, %xmm13
|
|
pclmulqdq $0x0, %xmm10, %xmm2
|
|
pclmulqdq $0x11, %xmm10, %xmm8
|
|
pclmulqdq $0x0, %xmm10, %xmm3
|
|
pclmulqdq $0x11, %xmm10, %xmm13
|
|
pxor %xmm9 , %xmm2
|
|
xorps %xmm8 , %xmm2
|
|
pxor %xmm12, %xmm3
|
|
xorps %xmm13, %xmm3
|
|
|
|
movdqu 16*4(arg2), %xmm9
|
|
movdqu 16*5(arg2), %xmm12
|
|
pshufb %xmm11, %xmm9
|
|
pshufb %xmm11, %xmm12
|
|
movdqa %xmm4, %xmm8
|
|
movdqa %xmm5, %xmm13
|
|
pclmulqdq $0x0, %xmm10, %xmm4
|
|
pclmulqdq $0x11, %xmm10, %xmm8
|
|
pclmulqdq $0x0, %xmm10, %xmm5
|
|
pclmulqdq $0x11, %xmm10, %xmm13
|
|
pxor %xmm9 , %xmm4
|
|
xorps %xmm8 , %xmm4
|
|
pxor %xmm12, %xmm5
|
|
xorps %xmm13, %xmm5
|
|
|
|
movdqu 16*6(arg2), %xmm9
|
|
movdqu 16*7(arg2), %xmm12
|
|
pshufb %xmm11, %xmm9
|
|
pshufb %xmm11, %xmm12
|
|
movdqa %xmm6 , %xmm8
|
|
movdqa %xmm7 , %xmm13
|
|
pclmulqdq $0x0 , %xmm10, %xmm6
|
|
pclmulqdq $0x11, %xmm10, %xmm8
|
|
pclmulqdq $0x0 , %xmm10, %xmm7
|
|
pclmulqdq $0x11, %xmm10, %xmm13
|
|
pxor %xmm9 , %xmm6
|
|
xorps %xmm8 , %xmm6
|
|
pxor %xmm12, %xmm7
|
|
xorps %xmm13, %xmm7
|
|
|
|
sub $128, arg3
|
|
|
|
# check if there is another 64B in the buffer to be able to fold
|
|
jge _fold_64_B_loop
|
|
##################################################################
|
|
|
|
|
|
add $128, arg2
|
|
# at this point, the buffer pointer is pointing at the last y Bytes
|
|
# of the buffer the 64B of folded data is in 4 of the xmm
|
|
# registers: xmm0, xmm1, xmm2, xmm3
|
|
|
|
|
|
# fold the 8 xmm registers to 1 xmm register with different constants
|
|
|
|
movdqa rk9(%rip), %xmm10
|
|
movdqa %xmm0, %xmm8
|
|
pclmulqdq $0x11, %xmm10, %xmm0
|
|
pclmulqdq $0x0 , %xmm10, %xmm8
|
|
pxor %xmm8, %xmm7
|
|
xorps %xmm0, %xmm7
|
|
|
|
movdqa rk11(%rip), %xmm10
|
|
movdqa %xmm1, %xmm8
|
|
pclmulqdq $0x11, %xmm10, %xmm1
|
|
pclmulqdq $0x0 , %xmm10, %xmm8
|
|
pxor %xmm8, %xmm7
|
|
xorps %xmm1, %xmm7
|
|
|
|
movdqa rk13(%rip), %xmm10
|
|
movdqa %xmm2, %xmm8
|
|
pclmulqdq $0x11, %xmm10, %xmm2
|
|
pclmulqdq $0x0 , %xmm10, %xmm8
|
|
pxor %xmm8, %xmm7
|
|
pxor %xmm2, %xmm7
|
|
|
|
movdqa rk15(%rip), %xmm10
|
|
movdqa %xmm3, %xmm8
|
|
pclmulqdq $0x11, %xmm10, %xmm3
|
|
pclmulqdq $0x0 , %xmm10, %xmm8
|
|
pxor %xmm8, %xmm7
|
|
xorps %xmm3, %xmm7
|
|
|
|
movdqa rk17(%rip), %xmm10
|
|
movdqa %xmm4, %xmm8
|
|
pclmulqdq $0x11, %xmm10, %xmm4
|
|
pclmulqdq $0x0 , %xmm10, %xmm8
|
|
pxor %xmm8, %xmm7
|
|
pxor %xmm4, %xmm7
|
|
|
|
movdqa rk19(%rip), %xmm10
|
|
movdqa %xmm5, %xmm8
|
|
pclmulqdq $0x11, %xmm10, %xmm5
|
|
pclmulqdq $0x0 , %xmm10, %xmm8
|
|
pxor %xmm8, %xmm7
|
|
xorps %xmm5, %xmm7
|
|
|
|
movdqa rk1(%rip), %xmm10 #xmm10 has rk1 and rk2
|
|
#imm value of pclmulqdq instruction
|
|
#will determine which constant to use
|
|
movdqa %xmm6, %xmm8
|
|
pclmulqdq $0x11, %xmm10, %xmm6
|
|
pclmulqdq $0x0 , %xmm10, %xmm8
|
|
pxor %xmm8, %xmm7
|
|
pxor %xmm6, %xmm7
|
|
|
|
|
|
# instead of 64, we add 48 to the loop counter to save 1 instruction
|
|
# from the loop instead of a cmp instruction, we use the negative
|
|
# flag with the jl instruction
|
|
add $128-16, arg3
|
|
jl _final_reduction_for_128
|
|
|
|
# now we have 16+y bytes left to reduce. 16 Bytes is in register xmm7
|
|
# and the rest is in memory. We can fold 16 bytes at a time if y>=16
|
|
# continue folding 16B at a time
|
|
|
|
_16B_reduction_loop:
|
|
movdqa %xmm7, %xmm8
|
|
pclmulqdq $0x11, %xmm10, %xmm7
|
|
pclmulqdq $0x0 , %xmm10, %xmm8
|
|
pxor %xmm8, %xmm7
|
|
movdqu (arg2), %xmm0
|
|
pshufb %xmm11, %xmm0
|
|
pxor %xmm0 , %xmm7
|
|
add $16, arg2
|
|
sub $16, arg3
|
|
# instead of a cmp instruction, we utilize the flags with the
|
|
# jge instruction equivalent of: cmp arg3, 16-16
|
|
# check if there is any more 16B in the buffer to be able to fold
|
|
jge _16B_reduction_loop
|
|
|
|
#now we have 16+z bytes left to reduce, where 0<= z < 16.
|
|
#first, we reduce the data in the xmm7 register
|
|
|
|
|
|
_final_reduction_for_128:
|
|
# check if any more data to fold. If not, compute the CRC of
|
|
# the final 128 bits
|
|
add $16, arg3
|
|
je _128_done
|
|
|
|
# here we are getting data that is less than 16 bytes.
|
|
# since we know that there was data before the pointer, we can
|
|
# offset the input pointer before the actual point, to receive
|
|
# exactly 16 bytes. after that the registers need to be adjusted.
|
|
_get_last_two_xmms:
|
|
movdqa %xmm7, %xmm2
|
|
|
|
movdqu -16(arg2, arg3), %xmm1
|
|
pshufb %xmm11, %xmm1
|
|
|
|
# get rid of the extra data that was loaded before
|
|
# load the shift constant
|
|
lea pshufb_shf_table+16(%rip), %rax
|
|
sub arg3, %rax
|
|
movdqu (%rax), %xmm0
|
|
|
|
# shift xmm2 to the left by arg3 bytes
|
|
pshufb %xmm0, %xmm2
|
|
|
|
# shift xmm7 to the right by 16-arg3 bytes
|
|
pxor mask1(%rip), %xmm0
|
|
pshufb %xmm0, %xmm7
|
|
pblendvb %xmm2, %xmm1 #xmm0 is implicit
|
|
|
|
# fold 16 Bytes
|
|
movdqa %xmm1, %xmm2
|
|
movdqa %xmm7, %xmm8
|
|
pclmulqdq $0x11, %xmm10, %xmm7
|
|
pclmulqdq $0x0 , %xmm10, %xmm8
|
|
pxor %xmm8, %xmm7
|
|
pxor %xmm2, %xmm7
|
|
|
|
_128_done:
|
|
# compute crc of a 128-bit value
|
|
movdqa rk5(%rip), %xmm10 # rk5 and rk6 in xmm10
|
|
movdqa %xmm7, %xmm0
|
|
|
|
#64b fold
|
|
pclmulqdq $0x1, %xmm10, %xmm7
|
|
pslldq $8 , %xmm0
|
|
pxor %xmm0, %xmm7
|
|
|
|
#32b fold
|
|
movdqa %xmm7, %xmm0
|
|
|
|
pand mask2(%rip), %xmm0
|
|
|
|
psrldq $12, %xmm7
|
|
pclmulqdq $0x10, %xmm10, %xmm7
|
|
pxor %xmm0, %xmm7
|
|
|
|
#barrett reduction
|
|
_barrett:
|
|
movdqa rk7(%rip), %xmm10 # rk7 and rk8 in xmm10
|
|
movdqa %xmm7, %xmm0
|
|
pclmulqdq $0x01, %xmm10, %xmm7
|
|
pslldq $4, %xmm7
|
|
pclmulqdq $0x11, %xmm10, %xmm7
|
|
|
|
pslldq $4, %xmm7
|
|
pxor %xmm0, %xmm7
|
|
pextrd $1, %xmm7, %eax
|
|
|
|
_cleanup:
|
|
# scale the result back to 16 bits
|
|
shr $16, %eax
|
|
mov %rcx, %rsp
|
|
ret
|
|
|
|
########################################################################
|
|
|
|
.align 16
|
|
_less_than_128:
|
|
|
|
# check if there is enough buffer to be able to fold 16B at a time
|
|
cmp $32, arg3
|
|
jl _less_than_32
|
|
movdqa SHUF_MASK(%rip), %xmm11
|
|
|
|
# now if there is, load the constants
|
|
movdqa rk1(%rip), %xmm10 # rk1 and rk2 in xmm10
|
|
|
|
movd arg1_low32, %xmm0 # get the initial crc value
|
|
pslldq $12, %xmm0 # align it to its correct place
|
|
movdqu (arg2), %xmm7 # load the plaintext
|
|
pshufb %xmm11, %xmm7 # byte-reflect the plaintext
|
|
pxor %xmm0, %xmm7
|
|
|
|
|
|
# update the buffer pointer
|
|
add $16, arg2
|
|
|
|
# update the counter. subtract 32 instead of 16 to save one
|
|
# instruction from the loop
|
|
sub $32, arg3
|
|
|
|
jmp _16B_reduction_loop
|
|
|
|
|
|
.align 16
|
|
_less_than_32:
|
|
# mov initial crc to the return value. this is necessary for
|
|
# zero-length buffers.
|
|
mov arg1_low32, %eax
|
|
test arg3, arg3
|
|
je _cleanup
|
|
|
|
movdqa SHUF_MASK(%rip), %xmm11
|
|
|
|
movd arg1_low32, %xmm0 # get the initial crc value
|
|
pslldq $12, %xmm0 # align it to its correct place
|
|
|
|
cmp $16, arg3
|
|
je _exact_16_left
|
|
jl _less_than_16_left
|
|
|
|
movdqu (arg2), %xmm7 # load the plaintext
|
|
pshufb %xmm11, %xmm7 # byte-reflect the plaintext
|
|
pxor %xmm0 , %xmm7 # xor the initial crc value
|
|
add $16, arg2
|
|
sub $16, arg3
|
|
movdqa rk1(%rip), %xmm10 # rk1 and rk2 in xmm10
|
|
jmp _get_last_two_xmms
|
|
|
|
|
|
.align 16
|
|
_less_than_16_left:
|
|
# use stack space to load data less than 16 bytes, zero-out
|
|
# the 16B in memory first.
|
|
|
|
pxor %xmm1, %xmm1
|
|
mov %rsp, %r11
|
|
movdqa %xmm1, (%r11)
|
|
|
|
cmp $4, arg3
|
|
jl _only_less_than_4
|
|
|
|
# backup the counter value
|
|
mov arg3, %r9
|
|
cmp $8, arg3
|
|
jl _less_than_8_left
|
|
|
|
# load 8 Bytes
|
|
mov (arg2), %rax
|
|
mov %rax, (%r11)
|
|
add $8, %r11
|
|
sub $8, arg3
|
|
add $8, arg2
|
|
_less_than_8_left:
|
|
|
|
cmp $4, arg3
|
|
jl _less_than_4_left
|
|
|
|
# load 4 Bytes
|
|
mov (arg2), %eax
|
|
mov %eax, (%r11)
|
|
add $4, %r11
|
|
sub $4, arg3
|
|
add $4, arg2
|
|
_less_than_4_left:
|
|
|
|
cmp $2, arg3
|
|
jl _less_than_2_left
|
|
|
|
# load 2 Bytes
|
|
mov (arg2), %ax
|
|
mov %ax, (%r11)
|
|
add $2, %r11
|
|
sub $2, arg3
|
|
add $2, arg2
|
|
_less_than_2_left:
|
|
cmp $1, arg3
|
|
jl _zero_left
|
|
|
|
# load 1 Byte
|
|
mov (arg2), %al
|
|
mov %al, (%r11)
|
|
_zero_left:
|
|
movdqa (%rsp), %xmm7
|
|
pshufb %xmm11, %xmm7
|
|
pxor %xmm0 , %xmm7 # xor the initial crc value
|
|
|
|
# shl r9, 4
|
|
lea pshufb_shf_table+16(%rip), %rax
|
|
sub %r9, %rax
|
|
movdqu (%rax), %xmm0
|
|
pxor mask1(%rip), %xmm0
|
|
|
|
pshufb %xmm0, %xmm7
|
|
jmp _128_done
|
|
|
|
.align 16
|
|
_exact_16_left:
|
|
movdqu (arg2), %xmm7
|
|
pshufb %xmm11, %xmm7
|
|
pxor %xmm0 , %xmm7 # xor the initial crc value
|
|
|
|
jmp _128_done
|
|
|
|
_only_less_than_4:
|
|
cmp $3, arg3
|
|
jl _only_less_than_3
|
|
|
|
# load 3 Bytes
|
|
mov (arg2), %al
|
|
mov %al, (%r11)
|
|
|
|
mov 1(arg2), %al
|
|
mov %al, 1(%r11)
|
|
|
|
mov 2(arg2), %al
|
|
mov %al, 2(%r11)
|
|
|
|
movdqa (%rsp), %xmm7
|
|
pshufb %xmm11, %xmm7
|
|
pxor %xmm0 , %xmm7 # xor the initial crc value
|
|
|
|
psrldq $5, %xmm7
|
|
|
|
jmp _barrett
|
|
_only_less_than_3:
|
|
cmp $2, arg3
|
|
jl _only_less_than_2
|
|
|
|
# load 2 Bytes
|
|
mov (arg2), %al
|
|
mov %al, (%r11)
|
|
|
|
mov 1(arg2), %al
|
|
mov %al, 1(%r11)
|
|
|
|
movdqa (%rsp), %xmm7
|
|
pshufb %xmm11, %xmm7
|
|
pxor %xmm0 , %xmm7 # xor the initial crc value
|
|
|
|
psrldq $6, %xmm7
|
|
|
|
jmp _barrett
|
|
_only_less_than_2:
|
|
|
|
# load 1 Byte
|
|
mov (arg2), %al
|
|
mov %al, (%r11)
|
|
|
|
movdqa (%rsp), %xmm7
|
|
pshufb %xmm11, %xmm7
|
|
pxor %xmm0 , %xmm7 # xor the initial crc value
|
|
|
|
psrldq $7, %xmm7
|
|
|
|
jmp _barrett
|
|
|
|
ENDPROC(crc_t10dif_pcl)
|
|
|
|
.data
|
|
|
|
# precomputed constants
|
|
# these constants are precomputed from the poly:
|
|
# 0x8bb70000 (0x8bb7 scaled to 32 bits)
|
|
.align 16
|
|
# Q = 0x18BB70000
|
|
# rk1 = 2^(32*3) mod Q << 32
|
|
# rk2 = 2^(32*5) mod Q << 32
|
|
# rk3 = 2^(32*15) mod Q << 32
|
|
# rk4 = 2^(32*17) mod Q << 32
|
|
# rk5 = 2^(32*3) mod Q << 32
|
|
# rk6 = 2^(32*2) mod Q << 32
|
|
# rk7 = floor(2^64/Q)
|
|
# rk8 = Q
|
|
rk1:
|
|
.quad 0x2d56000000000000
|
|
rk2:
|
|
.quad 0x06df000000000000
|
|
rk3:
|
|
.quad 0x9d9d000000000000
|
|
rk4:
|
|
.quad 0x7cf5000000000000
|
|
rk5:
|
|
.quad 0x2d56000000000000
|
|
rk6:
|
|
.quad 0x1368000000000000
|
|
rk7:
|
|
.quad 0x00000001f65a57f8
|
|
rk8:
|
|
.quad 0x000000018bb70000
|
|
|
|
rk9:
|
|
.quad 0xceae000000000000
|
|
rk10:
|
|
.quad 0xbfd6000000000000
|
|
rk11:
|
|
.quad 0x1e16000000000000
|
|
rk12:
|
|
.quad 0x713c000000000000
|
|
rk13:
|
|
.quad 0xf7f9000000000000
|
|
rk14:
|
|
.quad 0x80a6000000000000
|
|
rk15:
|
|
.quad 0x044c000000000000
|
|
rk16:
|
|
.quad 0xe658000000000000
|
|
rk17:
|
|
.quad 0xad18000000000000
|
|
rk18:
|
|
.quad 0xa497000000000000
|
|
rk19:
|
|
.quad 0x6ee3000000000000
|
|
rk20:
|
|
.quad 0xe7b5000000000000
|
|
|
|
|
|
|
|
mask1:
|
|
.octa 0x80808080808080808080808080808080
|
|
mask2:
|
|
.octa 0x00000000FFFFFFFFFFFFFFFFFFFFFFFF
|
|
|
|
SHUF_MASK:
|
|
.octa 0x000102030405060708090A0B0C0D0E0F
|
|
|
|
pshufb_shf_table:
|
|
# use these values for shift constants for the pshufb instruction
|
|
# different alignments result in values as shown:
|
|
# DDQ 0x008f8e8d8c8b8a898887868584838281 # shl 15 (16-1) / shr1
|
|
# DDQ 0x01008f8e8d8c8b8a8988878685848382 # shl 14 (16-3) / shr2
|
|
# DDQ 0x0201008f8e8d8c8b8a89888786858483 # shl 13 (16-4) / shr3
|
|
# DDQ 0x030201008f8e8d8c8b8a898887868584 # shl 12 (16-4) / shr4
|
|
# DDQ 0x04030201008f8e8d8c8b8a8988878685 # shl 11 (16-5) / shr5
|
|
# DDQ 0x0504030201008f8e8d8c8b8a89888786 # shl 10 (16-6) / shr6
|
|
# DDQ 0x060504030201008f8e8d8c8b8a898887 # shl 9 (16-7) / shr7
|
|
# DDQ 0x07060504030201008f8e8d8c8b8a8988 # shl 8 (16-8) / shr8
|
|
# DDQ 0x0807060504030201008f8e8d8c8b8a89 # shl 7 (16-9) / shr9
|
|
# DDQ 0x090807060504030201008f8e8d8c8b8a # shl 6 (16-10) / shr10
|
|
# DDQ 0x0a090807060504030201008f8e8d8c8b # shl 5 (16-11) / shr11
|
|
# DDQ 0x0b0a090807060504030201008f8e8d8c # shl 4 (16-12) / shr12
|
|
# DDQ 0x0c0b0a090807060504030201008f8e8d # shl 3 (16-13) / shr13
|
|
# DDQ 0x0d0c0b0a090807060504030201008f8e # shl 2 (16-14) / shr14
|
|
# DDQ 0x0e0d0c0b0a090807060504030201008f # shl 1 (16-15) / shr15
|
|
.octa 0x8f8e8d8c8b8a89888786858483828100
|
|
.octa 0x000e0d0c0b0a09080706050403020100
|