minio/pkg/cpu/cpu_amd64.S
Harshavardhana f347a1e590 Merge with Intel ISAL changes from github.com/minio-io/isal
- These changes bring in a much needed Mac OSX port for
    Intel ISAL library
  - At the current stage this MacOSX part of code is
    considered beta
  - pkg/cpu now supports OSX
  - pkg/checksum/crc32c - is still WIP, rest of the packages
    have been validated
2015-01-11 00:39:39 -08:00

138 lines
2.5 KiB
ArmAsm

/*
* Mini Object Storage, (C) 2014 Minio, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License") ;
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef __APPLE__
#define HAS_SSE _has_sse41
#define HAS_AVX _has_avx
#define HAS_AVX2 _has_avx2
#else
#define HAS_SSE has_sse41
#define HAS_AVX has_avx
#define HAS_AVX2 has_avx2
#endif
.file "cpufeatures.c"
.text
cpuid:
.LFB2:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
pushq %rbx
.cfi_offset 3, -24
movq %rdi, -16(%rbp)
movl %esi, -20(%rbp)
movq -16(%rbp), %rax
leaq 4(%rax), %r10
movq -16(%rbp), %rax
leaq 8(%rax), %r9
movq -16(%rbp), %rax
leaq 12(%rax), %r8
movl -20(%rbp), %eax
movl $0, %edx
movl %edx, %ecx
#APP
# 21 "cpufeatures.c" 1
cpuid
# 0 "" 2
#NO_APP
movl %ebx, %esi
movl %eax, %edi
movq -16(%rbp), %rax
movl %edi, (%rax)
movl %esi, (%r10)
movl %ecx, (%r9)
movl %edx, (%r8)
popq %rbx
popq %rbp
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE2:
.globl HAS_SSE
HAS_SSE:
.LFB3:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $16, %rsp
leaq -16(%rbp), %rax
movl $1, %esi
movq %rax, %rdi
call cpuid
movl -8(%rbp), %eax
andl $524288, %eax
testl %eax, %eax
setne %al
movzbl %al, %eax
leave
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE3:
.globl HAS_AVX
HAS_AVX:
.LFB4:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $16, %rsp
leaq -16(%rbp), %rax
movl $1, %esi
movq %rax, %rdi
call cpuid
movl -8(%rbp), %eax
andl $268435456, %eax
testl %eax, %eax
setne %al
movzbl %al, %eax
leave
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE4:
.globl HAS_AVX2
HAS_AVX2:
.LFB5:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $16, %rsp
leaq -16(%rbp), %rax
movl $7, %esi
movq %rax, %rdi
call cpuid
movl -12(%rbp), %eax
andl $32, %eax
testl %eax, %eax
setne %al
movzbl %al, %eax
leave
.cfi_def_cfa 7, 8
ret
.cfi_endproc