Mercurial > hg > nginx
annotate src/os/unix/ngx_sunpro_amd64.il @ 7660:d33e17499088
Version bump.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Tue, 26 May 2020 22:03:00 +0300 |
| parents | 2cd019520210 |
| children |
| rev | line source |
|---|---|
| 561 | 1 / |
| 2 / Copyright (C) Igor Sysoev | |
| 4412 | 3 / Copyright (C) Nginx, Inc. |
| 561 | 4 / |
| 5 | |
| 6 / ngx_atomic_uint_t ngx_atomic_cmp_set(ngx_atomic_t *lock, | |
| 7 / ngx_atomic_uint_t old, ngx_atomic_uint_t set); | |
| 8 / | |
| 9 / the arguments are passed in %rdi, %rsi, %rdx | |
| 10 / the result is returned in the %rax | |
| 11 | |
| 12 .inline ngx_atomic_cmp_set,0 | |
| 13 movq %rsi, %rax | |
| 14 lock | |
| 15 cmpxchgq %rdx, (%rdi) | |
| 16 setz %al | |
| 17 movzbq %al, %rax | |
| 18 .end | |
| 19 | |
| 20 | |
| 21 / ngx_atomic_int_t ngx_atomic_fetch_add(ngx_atomic_t *value, | |
| 22 / ngx_atomic_int_t add); | |
| 23 / | |
| 24 / the arguments are passed in %rdi, %rsi | |
| 25 / the result is returned in the %rax | |
| 26 | |
| 27 .inline ngx_atomic_fetch_add,0 | |
| 28 movq %rsi, %rax | |
| 29 lock | |
| 30 xaddq %rax, (%rdi) | |
| 31 .end | |
| 1309 | 32 |
| 33 | |
| 34 / ngx_cpu_pause() | |
|
3479
bfd1912e55a9
use "rep; nop" instead of "pause" on Solaris/amd64
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
35 / |
|
bfd1912e55a9
use "rep; nop" instead of "pause" on Solaris/amd64
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
36 / the "rep; nop" is used instead of "pause" to avoid the "[ PAUSE ]" hardware |
|
bfd1912e55a9
use "rep; nop" instead of "pause" on Solaris/amd64
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
37 / capability added by linker because Solaris/amd64 does not know about it: |
|
bfd1912e55a9
use "rep; nop" instead of "pause" on Solaris/amd64
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
38 / |
|
bfd1912e55a9
use "rep; nop" instead of "pause" on Solaris/amd64
Igor Sysoev <igor@sysoev.ru>
parents:
1309
diff
changeset
|
39 / ld.so.1: nginx: fatal: hardware capability unsupported: 0x2000 [ PAUSE ] |
| 1309 | 40 |
| 6474 | 41 .inline ngx_cpu_pause,0 |
| 42 rep; nop | |
| 43 .end |