Revision 1990ae634d0602ff022afc946ef66933e4e4a2dc authored by Santiago Zanella-Beguelin on 09 December 2019, 17:48:55 UTC, committed by Santiago Zanella-Beguelin on 09 December 2019, 17:50:10 UTC
1 parent ae8e182
cpuid-x86_64-mingw.S
.text
.global check_aesni
check_aesni:
mov %rbx, %r9
mov $0, %rcx
mov $1, %rax
cpuid
mov %rcx, %rax
and $33554432, %rax
shr $24, %rax
and $2, %rcx
and %rcx, %rax
mov %r9, %rbx
ret
.global check_sha
check_sha:
mov %rbx, %r9
mov $7, %rax
mov $0, %rcx
cpuid
and $536870912, %rbx
mov %rbx, %rax
mov %r9, %rbx
ret
.global check_adx_bmi2
check_adx_bmi2:
mov %rbx, %r9
mov $7, %rax
mov $0, %rcx
cpuid
mov %rbx, %rax
and $524288, %rax
shr $11, %rax
and $256, %rbx
and %rbx, %rax
mov %r9, %rbx
ret
.global check_avx
check_avx:
mov %rbx, %r9
mov $0, %rcx
mov $1, %rax
cpuid
mov %rcx, %rax
and $268435456, %rax
shr $27, %rax
mov %r9, %rbx
ret
.global check_avx2
check_avx2:
mov %rbx, %r9
mov $7, %rax
mov $0, %rcx
cpuid
and $32, %rbx
mov %rbx, %rax
mov %r9, %rbx
ret
.global check_movbe
check_movbe:
mov %rbx, %r9
mov $0, %rcx
mov $1, %rax
cpuid
mov %rcx, %rax
and $4194304, %rax
shr $21, %rax
mov %r9, %rbx
ret
.global check_sse
check_sse:
mov %rbx, %r9
mov $0, %rcx
mov $1, %rax
cpuid
mov %rcx, %rax
and $524288, %rax
and $512, %rcx
and $67108864, %rdx
shr $10, %rax
shr $17, %rdx
and %rdx, %rax
and %rcx, %rax
mov %r9, %rbx
ret
.global check_rdrand
check_rdrand:
mov %rbx, %r9
mov $0, %rcx
mov $1, %rax
cpuid
mov %rcx, %rax
and $1073741824, %rax
shr $29, %rax
mov %r9, %rbx
ret
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