isa-l/crc/crc_multibinary.asm
Greg Tucker 9f75defd57 Remove all slver legacy segments
The relic slver is no longer used for individual versioning
on functions and is confusing tools looking for data in text
sections. This removes all instances instead of fixing since
its usefulness is waining. Fixes #221

Change-Id: Ife0b9f105950a90337c58e8a41ac2cffc0f67d99
Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
2022-07-14 19:23:52 -07:00

323 lines
8.1 KiB
NASM

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
; Copyright(c) 2011-2015 Intel Corporation All rights reserved.
;
; 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 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 THE COPYRIGHT HOLDERS AND CONTRIBUTORS
; "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 THE COPYRIGHT
; OWNER 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.
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
default rel
[bits 64]
%include "reg_sizes.asm"
extern crc32_iscsi_00
extern crc32_iscsi_01
extern crc32_iscsi_base
extern crc32_ieee_01
extern crc32_ieee_by4 ;; Optimized for SLM
extern crc32_ieee_02
extern crc32_ieee_base
extern crc16_t10dif_01
extern crc16_t10dif_by4 ;; Optimized for SLM
extern crc16_t10dif_02
extern crc16_t10dif_base
extern crc32_gzip_refl_by8
extern crc32_gzip_refl_by8_02
extern crc32_gzip_refl_base
extern crc16_t10dif_copy_by4
extern crc16_t10dif_copy_by4_02
extern crc16_t10dif_copy_base
%if (AS_FEATURE_LEVEL) >= 10
extern crc32_gzip_refl_by16_10
extern crc32_ieee_by16_10
extern crc32_iscsi_by16_10
extern crc16_t10dif_by16_10
%endif
%include "multibinary.asm"
section .data
;;; *_mbinit are initial values for *_dispatched; is updated on first call.
;;; Therefore, *_dispatch_init is only executed on first call.
crc32_iscsi_dispatched:
dq crc32_iscsi_mbinit
crc32_ieee_dispatched:
dq crc32_ieee_mbinit
crc16_t10dif_dispatched:
dq crc16_t10dif_mbinit
section .text
;;;;
; crc32_iscsi multibinary function
;;;;
mk_global crc32_iscsi, function
crc32_iscsi_mbinit:
endbranch
call crc32_iscsi_dispatch_init
crc32_iscsi:
endbranch
jmp qword [crc32_iscsi_dispatched]
crc32_iscsi_dispatch_init:
push rax
push rbx
push rcx
push rdx
push rsi
push rdi
lea rsi, [crc32_iscsi_base WRT_OPT] ; Default
mov eax, 1
cpuid
mov ebx, ecx ; save cpuid1.ecx
test ecx, FLAG_CPUID1_ECX_SSE4_2
jz .crc_iscsi_init_done ; use iscsi_base
lea rsi, [crc32_iscsi_00 WRT_OPT]
test ecx, FLAG_CPUID1_ECX_CLMUL
jz .crc_iscsi_init_done ; use ieee_base
lea rsi, [crc32_iscsi_01 WRT_OPT]
;; Test for XMM_YMM support/AVX
test ecx, FLAG_CPUID1_ECX_OSXSAVE
je .crc_iscsi_init_done
xor ecx, ecx
xgetbv ; xcr -> edx:eax
mov edi, eax ; save xgetvb.eax
and eax, FLAG_XGETBV_EAX_XMM_YMM
cmp eax, FLAG_XGETBV_EAX_XMM_YMM
jne .crc_iscsi_init_done
test ebx, FLAG_CPUID1_ECX_AVX
je .crc_iscsi_init_done
;; AVX/02 opt if available
%if AS_FEATURE_LEVEL >= 10
;; Test for AVX2
xor ecx, ecx
mov eax, 7
cpuid
test ebx, FLAG_CPUID7_EBX_AVX2
je .crc_iscsi_init_done ; No AVX2 possible
;; Test for AVX512
and edi, FLAG_XGETBV_EAX_ZMM_OPM
cmp edi, FLAG_XGETBV_EAX_ZMM_OPM
jne .crc_iscsi_init_done ; No AVX512 possible
and ebx, FLAGS_CPUID7_EBX_AVX512_G1
cmp ebx, FLAGS_CPUID7_EBX_AVX512_G1
jne .crc_iscsi_init_done
and ecx, FLAGS_CPUID7_ECX_AVX512_G2
cmp ecx, FLAGS_CPUID7_ECX_AVX512_G2
lea rbx, [crc32_iscsi_by16_10 WRT_OPT] ; AVX512/10 opt
cmove rsi, rbx
%endif
.crc_iscsi_init_done:
mov [crc32_iscsi_dispatched], rsi
pop rdi
pop rsi
pop rdx
pop rcx
pop rbx
pop rax
ret
;;;;
; crc32_ieee multibinary function
;;;;
mk_global crc32_ieee, function
crc32_ieee_mbinit:
endbranch
call crc32_ieee_dispatch_init
crc32_ieee:
endbranch
jmp qword [crc32_ieee_dispatched]
crc32_ieee_dispatch_init:
push rax
push rbx
push rcx
push rdx
push rsi
push rdi
lea rsi, [crc32_ieee_base WRT_OPT] ; Default
mov eax, 1
cpuid
mov ebx, ecx ; save cpuid1.ecx
test ecx, FLAG_CPUID1_ECX_SSE3
jz .crc_ieee_init_done ; use ieee_base
test ecx, FLAG_CPUID1_ECX_CLMUL
jz .crc_ieee_init_done ; use ieee_base
lea rsi, [crc32_ieee_01 WRT_OPT]
;; Extra Avoton test
lea rdx, [crc32_ieee_by4 WRT_OPT]
and eax, FLAG_CPUID1_EAX_STEP_MASK
cmp eax, FLAG_CPUID1_EAX_AVOTON
cmove rsi, rdx
;; Test for XMM_YMM support/AVX
test ecx, FLAG_CPUID1_ECX_OSXSAVE
je .crc_ieee_init_done
xor ecx, ecx
xgetbv ; xcr -> edx:eax
mov edi, eax ; save xgetvb.eax
and eax, FLAG_XGETBV_EAX_XMM_YMM
cmp eax, FLAG_XGETBV_EAX_XMM_YMM
jne .crc_ieee_init_done
test ebx, FLAG_CPUID1_ECX_AVX
je .crc_ieee_init_done
lea rsi, [crc32_ieee_02 WRT_OPT] ; AVX/02 opt
%if AS_FEATURE_LEVEL >= 10
;; Test for AVX2
xor ecx, ecx
mov eax, 7
cpuid
test ebx, FLAG_CPUID7_EBX_AVX2
je .crc_ieee_init_done ; No AVX2 possible
;; Test for AVX512
and edi, FLAG_XGETBV_EAX_ZMM_OPM
cmp edi, FLAG_XGETBV_EAX_ZMM_OPM
jne .crc_ieee_init_done ; No AVX512 possible
and ebx, FLAGS_CPUID7_EBX_AVX512_G1
cmp ebx, FLAGS_CPUID7_EBX_AVX512_G1
jne .crc_ieee_init_done
and ecx, FLAGS_CPUID7_ECX_AVX512_G2
cmp ecx, FLAGS_CPUID7_ECX_AVX512_G2
lea rbx, [crc32_ieee_by16_10 WRT_OPT] ; AVX512/10 opt
cmove rsi, rbx
%endif
.crc_ieee_init_done:
mov [crc32_ieee_dispatched], rsi
pop rdi
pop rsi
pop rdx
pop rcx
pop rbx
pop rax
ret
;;;;
; crc16_t10dif multibinary function
;;;;
mk_global crc16_t10dif, function
crc16_t10dif_mbinit:
endbranch
call crc16_t10dif_dispatch_init
crc16_t10dif:
endbranch
jmp qword [crc16_t10dif_dispatched]
crc16_t10dif_dispatch_init:
push rax
push rbx
push rcx
push rdx
push rsi
push rdi
lea rsi, [crc16_t10dif_base WRT_OPT] ; Default
mov eax, 1
cpuid
mov ebx, ecx ; save cpuid1.ecx
test ecx, FLAG_CPUID1_ECX_SSE3
jz .t10dif_init_done ; use t10dif_base
test ecx, FLAG_CPUID1_ECX_CLMUL
jz .t10dif_init_done ; use t10dif_base
lea rsi, [crc16_t10dif_01 WRT_OPT]
;; Extra Avoton test
lea rdx, [crc16_t10dif_by4 WRT_OPT]
and eax, FLAG_CPUID1_EAX_STEP_MASK
cmp eax, FLAG_CPUID1_EAX_AVOTON
cmove rsi, rdx
;; Test for XMM_YMM support/AVX
test ecx, FLAG_CPUID1_ECX_OSXSAVE
je .t10dif_init_done
xor ecx, ecx
xgetbv ; xcr -> edx:eax
mov edi, eax ; save xgetvb.eax
and eax, FLAG_XGETBV_EAX_XMM_YMM
cmp eax, FLAG_XGETBV_EAX_XMM_YMM
jne .t10dif_init_done
test ebx, FLAG_CPUID1_ECX_AVX
je .t10dif_init_done
lea rsi, [crc16_t10dif_02 WRT_OPT] ; AVX/02 opt
%if AS_FEATURE_LEVEL >= 10
;; Test for AVX2
xor ecx, ecx
mov eax, 7
cpuid
test ebx, FLAG_CPUID7_EBX_AVX2
je .t10dif_init_done ; No AVX2 possible
;; Test for AVX512
and edi, FLAG_XGETBV_EAX_ZMM_OPM
cmp edi, FLAG_XGETBV_EAX_ZMM_OPM
jne .t10dif_init_done ; No AVX512 possible
and ebx, FLAGS_CPUID7_EBX_AVX512_G1
cmp ebx, FLAGS_CPUID7_EBX_AVX512_G1
jne .t10dif_init_done
and ecx, FLAGS_CPUID7_ECX_AVX512_G2
cmp ecx, FLAGS_CPUID7_ECX_AVX512_G2
lea rbx, [crc16_t10dif_by16_10 WRT_OPT] ; AVX512/10 opt
cmove rsi, rbx
%endif
.t10dif_init_done:
mov [crc16_t10dif_dispatched], rsi
pop rdi
pop rsi
pop rdx
pop rcx
pop rbx
pop rax
ret
mbin_interface crc32_gzip_refl
mbin_dispatch_init_clmul crc32_gzip_refl, crc32_gzip_refl_base, crc32_gzip_refl_by8, crc32_gzip_refl_by8_02, crc32_gzip_refl_by16_10
mbin_interface crc16_t10dif_copy
mbin_dispatch_init_clmul crc16_t10dif_copy, crc16_t10dif_copy_base, crc16_t10dif_copy_by4, crc16_t10dif_copy_by4_02, crc16_t10dif_copy_by4_02