[Bug target/104611] memcmp/strcmp/strncmp can be optimized when the result is tested for [in]equality with 0 on aarch64

2023-09-28 Thread wilco at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104611 Wilco changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug target/104611] memcmp/strcmp/strncmp can be optimized when the result is tested for [in]equality with 0 on aarch64

2023-09-25 Thread redbeard0531 at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104611 Mathias Stearn changed: What|Removed |Added CC||redbeard0531 at gmail dot com ---

[Bug target/104611] memcmp/strcmp/strncmp can be optimized when the result is tested for [in]equality with 0 on aarch64

2022-10-29 Thread zhongyunde at huawei dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104611 --- Comment #3 from vfdff --- As the load instructions usually have long latency, so do it need some extra restrict when we try this transformation?

[Bug target/104611] memcmp/strcmp/strncmp can be optimized when the result is tested for [in]equality with 0 on aarch64

2022-10-18 Thread zhongyunde at huawei dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104611 vfdff changed: What|Removed |Added CC||zhongyunde at huawei dot com --- Comment #2

[Bug target/104611] memcmp/strcmp/strncmp can be optimized when the result is tested for [in]equality with 0 on aarch64

2022-02-21 Thread wilco at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104611 Wilco changed: What|Removed |Added CC||wilco at gcc dot gnu.org --- Comment #1 from