blob: ae1b567095a016a0636f55cec935a5d4abe4e2fb (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
.section .text
.global _sse_test
.type _sse_test, @function
/* Written in assembly to ensure gcc won't mess with the XMM registers */
_sse_test:
movdqu (%rdi), %xmm1
push %rdi /* preserve */
call fork
cmp $0, %rax
je child
/* in parent - wait for the child to die */
mov %rax, %rdi
mov $0, %rsi
mov $0, %rdx
call _sys_wait2
pop %rdi
movdqu %xmm1, (%rdi)
ret
child:
pxor %xmm1, %xmm1
mov $0, %rdi
call _sys_exit
|