mirror of
https://github.com/mirror/tinycc.git
synced 2024-12-26 03:50:07 +08:00
23 lines
523 B
ArmAsm
23 lines
523 B
ArmAsm
.text
|
|
.align 2
|
|
.global fetch_and_add_arm64
|
|
.type fetch_and_add_arm64, %function
|
|
fetch_and_add_arm64:
|
|
#ifdef __TINYC__
|
|
.int 0x885f7c02
|
|
.int 0x0b010042
|
|
.int 0x8803fc02
|
|
.int 0x35ffffa3
|
|
.int 0xd5033bbf
|
|
.int 0xd65f03c0
|
|
#else
|
|
ldxr w2, [x0]
|
|
add w2, w2, w1
|
|
stlxr w3, w2, [x0]
|
|
cbnz w3, fetch_and_add_arm64
|
|
dmb ish
|
|
ret
|
|
#endif
|
|
|
|
.size fetch_and_add_arm64, .-fetch_and_add_arm64
|