.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