cpu:atomic
差分
このページの2つのバージョン間の差分を表示します。
| 両方とも前のリビジョン前のリビジョン次のリビジョン | 前のリビジョン次のリビジョン両方とも次のリビジョン | ||
| cpu:atomic [2019/07/07 18:07] – oga | cpu:atomic [2019/07/07 20:09] – [ARMv8.0A] oga | ||
|---|---|---|---|
| 行 168: | 行 168: | ||
| <code asm> | <code asm> | ||
| - | stlr wzr, [x19] | ||
| - | ldar w1, [x19] | ||
| - | adrp x0, .L.str.11 | ||
| - | add x0, x0, : | ||
| - | bl printf | ||
| ldaxr w2, [x19] | ldaxr w2, [x19] | ||
| cbz w2, .LBB0_18 | cbz w2, .LBB0_18 | ||
| 行 263: | 行 258: | ||
| ===== load ===== | ===== load ===== | ||
| - | ==== ARMv8.xA (seq_cst/acquire) ==== | + | ==== ARMv7A (relaxed) ==== |
| + | |||
| + | <code asm> | ||
| + | ldr r0, [r4] | ||
| + | </ | ||
| + | |||
| + | ==== ARMv7A (acquire/ | ||
| + | |||
| + | <code asm> | ||
| + | ldr r0, [r4] | ||
| + | dmb ish | ||
| + | </ | ||
| + | |||
| + | |||
| + | ==== ARMv8.xA (relaxed) ==== | ||
| + | |||
| + | <code asm> | ||
| + | ldr w1, [x19] | ||
| + | </code> | ||
| + | |||
| + | |||
| + | ==== ARMv8.xA (acquire/ | ||
| <code asm> | <code asm> | ||
| ldar w1, [x19] | ldar w1, [x19] | ||
| + | </ | ||
| + | |||
| + | |||
| + | |||
| + | |||
| + | ---- | ||
| + | ===== store ===== | ||
| + | |||
| + | ==== ARMv7A (relaxed) ==== | ||
| + | |||
| + | <code asm> | ||
| + | str r5, [r4] | ||
| + | </ | ||
| + | |||
| + | ==== ARMv7A (release) ==== | ||
| + | |||
| + | <code asm> | ||
| + | dmb ish | ||
| + | str r5, [r4] | ||
| + | </ | ||
| + | |||
| + | ==== ARMv7A (seq_cst) ==== | ||
| + | |||
| + | <code asm> | ||
| + | dmb ish | ||
| + | str r5, [r4] | ||
| + | dmb ish | ||
| </ | </ | ||
| 行 273: | 行 316: | ||
| <code asm> | <code asm> | ||
| - | ldr w1, [sp, #8] | + | str w20, [x19] |
| </ | </ | ||
| + | ==== ARMv8.xA (release/ | ||
| + | |||
| + | <code asm> | ||
| + | stlr w20, [x19] | ||
| + | </ | ||
cpu/atomic.txt · 最終更新: 2019/07/07 21:08 by oga