forked from Minki/linux
e183914af0
A lot of asm-optimized routines in arch/x86/crypto/ keep its
constants in .data. This is wrong, they should be on .rodata.
Mnay of these constants are the same in different modules.
For example, 128-bit shuffle mask 0x000102030405060708090A0B0C0D0E0F
exists in at least half a dozen places.
There is a way to let linker merge them and use just one copy.
The rules are as follows: mergeable objects of different sizes
should not share sections. You can't put them all in one .rodata
section, they will lose "mergeability".
GCC puts its mergeable constants in ".rodata.cstSIZE" sections,
or ".rodata.cstSIZE.<object_name>" if -fdata-sections is used.
This patch does the same:
.section .rodata.cst16.SHUF_MASK, "aM", @progbits, 16
It is important that all data in such section consists of
16-byte elements, not larger ones, and there are no implicit
use of one element from another.
When this is not the case, use non-mergeable section:
.section .rodata[.VAR_NAME], "a", @progbits
This reduces .data by ~15 kbytes:
text data bss dec hex filename
11097415 2705840 2630712 16433967 fac32f vmlinux-prev.o
11112095 2690672 2630712 16433479 fac147 vmlinux.o
Merged objects are visible in System.map:
ffffffff81a28810 r POLY
ffffffff81a28810 r POLY
ffffffff81a28820 r TWOONE
ffffffff81a28820 r TWOONE
ffffffff81a28830 r PSHUFFLE_BYTE_FLIP_MASK <- merged regardless of
ffffffff81a28830 r SHUF_MASK <------------- the name difference
ffffffff81a28830 r SHUF_MASK
ffffffff81a28830 r SHUF_MASK
..
ffffffff81a28d00 r K512 <- merged three identical 640-byte tables
ffffffff81a28d00 r K512
ffffffff81a28d00 r K512
Use of object names in section name suffixes is not strictly necessary,
but might help if someday link stage will use garbage collection
to eliminate unused sections (ld --gc-sections).
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
CC: Herbert Xu <herbert@gondor.apana.org.au>
CC: Josh Poimboeuf <jpoimboe@redhat.com>
CC: Xiaodong Liu <xiaodong.liu@intel.com>
CC: Megha Dey <megha.dey@intel.com>
CC: linux-crypto@vger.kernel.org
CC: x86@kernel.org
CC: linux-kernel@vger.kernel.org
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
652 lines
16 KiB
ArmAsm
652 lines
16 KiB
ArmAsm
########################################################################
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# Implement fast CRC-T10DIF computation with SSE and PCLMULQDQ instructions
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#
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# Copyright (c) 2013, Intel Corporation
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#
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# Authors:
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# Erdinc Ozturk <erdinc.ozturk@intel.com>
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# Vinodh Gopal <vinodh.gopal@intel.com>
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# James Guilford <james.guilford@intel.com>
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# Tim Chen <tim.c.chen@linux.intel.com>
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#
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# This software is available to you under a choice of one of two
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# licenses. You may choose to be licensed under the terms of the GNU
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# General Public License (GPL) Version 2, available from the file
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# COPYING in the main directory of this source tree, or the
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# OpenIB.org BSD license below:
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are
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# met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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#
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the
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# distribution.
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#
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# * Neither the name of the Intel Corporation nor the names of its
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# contributors may be used to endorse or promote products derived from
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# this software without specific prior written permission.
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#
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#
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# THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION ""AS IS"" AND ANY
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# EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTEL CORPORATION OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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# PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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# LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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########################################################################
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# Function API:
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# UINT16 crc_t10dif_pcl(
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# UINT16 init_crc, //initial CRC value, 16 bits
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# const unsigned char *buf, //buffer pointer to calculate CRC on
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# UINT64 len //buffer length in bytes (64-bit data)
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# );
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#
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# Reference paper titled "Fast CRC Computation for Generic
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# Polynomials Using PCLMULQDQ Instruction"
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# URL: http://www.intel.com/content/dam/www/public/us/en/documents
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# /white-papers/fast-crc-computation-generic-polynomials-pclmulqdq-paper.pdf
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#
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#
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#include <linux/linkage.h>
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.text
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#define arg1 %rdi
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#define arg2 %rsi
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#define arg3 %rdx
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#define arg1_low32 %edi
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ENTRY(crc_t10dif_pcl)
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.align 16
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# adjust the 16-bit initial_crc value, scale it to 32 bits
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shl $16, arg1_low32
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# Allocate Stack Space
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mov %rsp, %rcx
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sub $16*2, %rsp
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# align stack to 16 byte boundary
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and $~(0x10 - 1), %rsp
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# check if smaller than 256
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cmp $256, arg3
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# for sizes less than 128, we can't fold 64B at a time...
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jl _less_than_128
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# load the initial crc value
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movd arg1_low32, %xmm10 # initial crc
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# crc value does not need to be byte-reflected, but it needs
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# to be moved to the high part of the register.
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# because data will be byte-reflected and will align with
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# initial crc at correct place.
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pslldq $12, %xmm10
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movdqa SHUF_MASK(%rip), %xmm11
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# receive the initial 64B data, xor the initial crc value
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movdqu 16*0(arg2), %xmm0
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movdqu 16*1(arg2), %xmm1
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movdqu 16*2(arg2), %xmm2
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movdqu 16*3(arg2), %xmm3
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movdqu 16*4(arg2), %xmm4
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movdqu 16*5(arg2), %xmm5
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movdqu 16*6(arg2), %xmm6
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movdqu 16*7(arg2), %xmm7
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pshufb %xmm11, %xmm0
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# XOR the initial_crc value
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pxor %xmm10, %xmm0
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pshufb %xmm11, %xmm1
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pshufb %xmm11, %xmm2
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pshufb %xmm11, %xmm3
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pshufb %xmm11, %xmm4
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pshufb %xmm11, %xmm5
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pshufb %xmm11, %xmm6
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pshufb %xmm11, %xmm7
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movdqa rk3(%rip), %xmm10 #xmm10 has rk3 and rk4
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#imm value of pclmulqdq instruction
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#will determine which constant to use
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#################################################################
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# we subtract 256 instead of 128 to save one instruction from the loop
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sub $256, arg3
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# at this section of the code, there is 64*x+y (0<=y<64) bytes of
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# buffer. The _fold_64_B_loop will fold 64B at a time
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# until we have 64+y Bytes of buffer
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# fold 64B at a time. This section of the code folds 4 xmm
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# registers in parallel
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_fold_64_B_loop:
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# update the buffer pointer
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add $128, arg2 # buf += 64#
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movdqu 16*0(arg2), %xmm9
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movdqu 16*1(arg2), %xmm12
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pshufb %xmm11, %xmm9
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pshufb %xmm11, %xmm12
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movdqa %xmm0, %xmm8
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movdqa %xmm1, %xmm13
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pclmulqdq $0x0 , %xmm10, %xmm0
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pclmulqdq $0x11, %xmm10, %xmm8
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pclmulqdq $0x0 , %xmm10, %xmm1
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pclmulqdq $0x11, %xmm10, %xmm13
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pxor %xmm9 , %xmm0
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xorps %xmm8 , %xmm0
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pxor %xmm12, %xmm1
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xorps %xmm13, %xmm1
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movdqu 16*2(arg2), %xmm9
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movdqu 16*3(arg2), %xmm12
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pshufb %xmm11, %xmm9
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pshufb %xmm11, %xmm12
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movdqa %xmm2, %xmm8
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movdqa %xmm3, %xmm13
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pclmulqdq $0x0, %xmm10, %xmm2
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pclmulqdq $0x11, %xmm10, %xmm8
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pclmulqdq $0x0, %xmm10, %xmm3
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pclmulqdq $0x11, %xmm10, %xmm13
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pxor %xmm9 , %xmm2
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xorps %xmm8 , %xmm2
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pxor %xmm12, %xmm3
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xorps %xmm13, %xmm3
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movdqu 16*4(arg2), %xmm9
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movdqu 16*5(arg2), %xmm12
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pshufb %xmm11, %xmm9
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pshufb %xmm11, %xmm12
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movdqa %xmm4, %xmm8
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movdqa %xmm5, %xmm13
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pclmulqdq $0x0, %xmm10, %xmm4
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pclmulqdq $0x11, %xmm10, %xmm8
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pclmulqdq $0x0, %xmm10, %xmm5
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pclmulqdq $0x11, %xmm10, %xmm13
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pxor %xmm9 , %xmm4
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xorps %xmm8 , %xmm4
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pxor %xmm12, %xmm5
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xorps %xmm13, %xmm5
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movdqu 16*6(arg2), %xmm9
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movdqu 16*7(arg2), %xmm12
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pshufb %xmm11, %xmm9
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pshufb %xmm11, %xmm12
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movdqa %xmm6 , %xmm8
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movdqa %xmm7 , %xmm13
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pclmulqdq $0x0 , %xmm10, %xmm6
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pclmulqdq $0x11, %xmm10, %xmm8
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pclmulqdq $0x0 , %xmm10, %xmm7
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pclmulqdq $0x11, %xmm10, %xmm13
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pxor %xmm9 , %xmm6
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xorps %xmm8 , %xmm6
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pxor %xmm12, %xmm7
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xorps %xmm13, %xmm7
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sub $128, arg3
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# check if there is another 64B in the buffer to be able to fold
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jge _fold_64_B_loop
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##################################################################
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add $128, arg2
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# at this point, the buffer pointer is pointing at the last y Bytes
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# of the buffer the 64B of folded data is in 4 of the xmm
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# registers: xmm0, xmm1, xmm2, xmm3
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# fold the 8 xmm registers to 1 xmm register with different constants
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movdqa rk9(%rip), %xmm10
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movdqa %xmm0, %xmm8
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pclmulqdq $0x11, %xmm10, %xmm0
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pclmulqdq $0x0 , %xmm10, %xmm8
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pxor %xmm8, %xmm7
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xorps %xmm0, %xmm7
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movdqa rk11(%rip), %xmm10
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movdqa %xmm1, %xmm8
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pclmulqdq $0x11, %xmm10, %xmm1
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pclmulqdq $0x0 , %xmm10, %xmm8
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pxor %xmm8, %xmm7
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xorps %xmm1, %xmm7
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movdqa rk13(%rip), %xmm10
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movdqa %xmm2, %xmm8
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pclmulqdq $0x11, %xmm10, %xmm2
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pclmulqdq $0x0 , %xmm10, %xmm8
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pxor %xmm8, %xmm7
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pxor %xmm2, %xmm7
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movdqa rk15(%rip), %xmm10
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movdqa %xmm3, %xmm8
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pclmulqdq $0x11, %xmm10, %xmm3
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pclmulqdq $0x0 , %xmm10, %xmm8
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pxor %xmm8, %xmm7
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xorps %xmm3, %xmm7
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movdqa rk17(%rip), %xmm10
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movdqa %xmm4, %xmm8
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pclmulqdq $0x11, %xmm10, %xmm4
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pclmulqdq $0x0 , %xmm10, %xmm8
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pxor %xmm8, %xmm7
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pxor %xmm4, %xmm7
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movdqa rk19(%rip), %xmm10
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movdqa %xmm5, %xmm8
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pclmulqdq $0x11, %xmm10, %xmm5
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pclmulqdq $0x0 , %xmm10, %xmm8
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pxor %xmm8, %xmm7
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xorps %xmm5, %xmm7
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movdqa rk1(%rip), %xmm10 #xmm10 has rk1 and rk2
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#imm value of pclmulqdq instruction
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#will determine which constant to use
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movdqa %xmm6, %xmm8
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pclmulqdq $0x11, %xmm10, %xmm6
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pclmulqdq $0x0 , %xmm10, %xmm8
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pxor %xmm8, %xmm7
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pxor %xmm6, %xmm7
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# instead of 64, we add 48 to the loop counter to save 1 instruction
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# from the loop instead of a cmp instruction, we use the negative
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# flag with the jl instruction
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add $128-16, arg3
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jl _final_reduction_for_128
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# now we have 16+y bytes left to reduce. 16 Bytes is in register xmm7
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# and the rest is in memory. We can fold 16 bytes at a time if y>=16
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# continue folding 16B at a time
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_16B_reduction_loop:
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movdqa %xmm7, %xmm8
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pclmulqdq $0x11, %xmm10, %xmm7
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pclmulqdq $0x0 , %xmm10, %xmm8
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pxor %xmm8, %xmm7
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movdqu (arg2), %xmm0
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pshufb %xmm11, %xmm0
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pxor %xmm0 , %xmm7
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add $16, arg2
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sub $16, arg3
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# instead of a cmp instruction, we utilize the flags with the
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# jge instruction equivalent of: cmp arg3, 16-16
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# check if there is any more 16B in the buffer to be able to fold
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jge _16B_reduction_loop
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#now we have 16+z bytes left to reduce, where 0<= z < 16.
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#first, we reduce the data in the xmm7 register
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_final_reduction_for_128:
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# check if any more data to fold. If not, compute the CRC of
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# the final 128 bits
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add $16, arg3
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je _128_done
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# here we are getting data that is less than 16 bytes.
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# since we know that there was data before the pointer, we can
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# offset the input pointer before the actual point, to receive
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# exactly 16 bytes. after that the registers need to be adjusted.
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_get_last_two_xmms:
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movdqa %xmm7, %xmm2
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movdqu -16(arg2, arg3), %xmm1
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pshufb %xmm11, %xmm1
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# get rid of the extra data that was loaded before
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# load the shift constant
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lea pshufb_shf_table+16(%rip), %rax
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sub arg3, %rax
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movdqu (%rax), %xmm0
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# shift xmm2 to the left by arg3 bytes
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pshufb %xmm0, %xmm2
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# shift xmm7 to the right by 16-arg3 bytes
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pxor mask1(%rip), %xmm0
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pshufb %xmm0, %xmm7
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pblendvb %xmm2, %xmm1 #xmm0 is implicit
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# fold 16 Bytes
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movdqa %xmm1, %xmm2
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movdqa %xmm7, %xmm8
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pclmulqdq $0x11, %xmm10, %xmm7
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pclmulqdq $0x0 , %xmm10, %xmm8
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pxor %xmm8, %xmm7
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pxor %xmm2, %xmm7
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_128_done:
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# compute crc of a 128-bit value
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movdqa rk5(%rip), %xmm10 # rk5 and rk6 in xmm10
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movdqa %xmm7, %xmm0
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#64b fold
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pclmulqdq $0x1, %xmm10, %xmm7
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pslldq $8 , %xmm0
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pxor %xmm0, %xmm7
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#32b fold
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movdqa %xmm7, %xmm0
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pand mask2(%rip), %xmm0
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psrldq $12, %xmm7
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pclmulqdq $0x10, %xmm10, %xmm7
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pxor %xmm0, %xmm7
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#barrett reduction
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_barrett:
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movdqa rk7(%rip), %xmm10 # rk7 and rk8 in xmm10
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movdqa %xmm7, %xmm0
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pclmulqdq $0x01, %xmm10, %xmm7
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pslldq $4, %xmm7
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pclmulqdq $0x11, %xmm10, %xmm7
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pslldq $4, %xmm7
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pxor %xmm0, %xmm7
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pextrd $1, %xmm7, %eax
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_cleanup:
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# scale the result back to 16 bits
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shr $16, %eax
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mov %rcx, %rsp
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ret
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########################################################################
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.align 16
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_less_than_128:
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# check if there is enough buffer to be able to fold 16B at a time
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cmp $32, arg3
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jl _less_than_32
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movdqa SHUF_MASK(%rip), %xmm11
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# now if there is, load the constants
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movdqa rk1(%rip), %xmm10 # rk1 and rk2 in xmm10
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movd arg1_low32, %xmm0 # get the initial crc value
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pslldq $12, %xmm0 # align it to its correct place
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movdqu (arg2), %xmm7 # load the plaintext
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pshufb %xmm11, %xmm7 # byte-reflect the plaintext
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pxor %xmm0, %xmm7
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# update the buffer pointer
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add $16, arg2
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# update the counter. subtract 32 instead of 16 to save one
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# instruction from the loop
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sub $32, arg3
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jmp _16B_reduction_loop
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.align 16
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_less_than_32:
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# mov initial crc to the return value. this is necessary for
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# zero-length buffers.
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mov arg1_low32, %eax
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test arg3, arg3
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je _cleanup
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movdqa SHUF_MASK(%rip), %xmm11
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movd arg1_low32, %xmm0 # get the initial crc value
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pslldq $12, %xmm0 # align it to its correct place
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cmp $16, arg3
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je _exact_16_left
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jl _less_than_16_left
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movdqu (arg2), %xmm7 # load the plaintext
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pshufb %xmm11, %xmm7 # byte-reflect the plaintext
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pxor %xmm0 , %xmm7 # xor the initial crc value
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add $16, arg2
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sub $16, arg3
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movdqa rk1(%rip), %xmm10 # rk1 and rk2 in xmm10
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jmp _get_last_two_xmms
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.align 16
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_less_than_16_left:
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# use stack space to load data less than 16 bytes, zero-out
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# the 16B in memory first.
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pxor %xmm1, %xmm1
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mov %rsp, %r11
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movdqa %xmm1, (%r11)
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cmp $4, arg3
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jl _only_less_than_4
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|
|
# 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)
|
|
|
|
.section .rodata, "a", @progbits
|
|
.align 16
|
|
# precomputed constants
|
|
# these constants are precomputed from the poly:
|
|
# 0x8bb70000 (0x8bb7 scaled to 32 bits)
|
|
# 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
|
|
|
|
|
|
|
|
.section .rodata.cst16.mask1, "aM", @progbits, 16
|
|
.align 16
|
|
mask1:
|
|
.octa 0x80808080808080808080808080808080
|
|
|
|
.section .rodata.cst16.mask2, "aM", @progbits, 16
|
|
.align 16
|
|
mask2:
|
|
.octa 0x00000000FFFFFFFFFFFFFFFFFFFFFFFF
|
|
|
|
.section .rodata.cst16.SHUF_MASK, "aM", @progbits, 16
|
|
.align 16
|
|
SHUF_MASK:
|
|
.octa 0x000102030405060708090A0B0C0D0E0F
|
|
|
|
.section .rodata.cst32.pshufb_shf_table, "aM", @progbits, 32
|
|
.align 32
|
|
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
|