| commit | f7f56ded0179cd27f21afdd09014a51795db6419 | [log] [tgz] |
|---|---|---|
| author | Guoqi Chen <chenguoqi@loongson.cn> | Wed Aug 16 02:09:49 2023 +0800 |
| committer | Cherry Mui <cherryyz@google.com> | Mon Apr 15 17:39:37 2024 +0000 |
| tree | d634e847375f0f180b074caeb72bf19d962bc352 | |
| parent | 59209c4b3587f10e07ce466d41dcb74b332babd5 [diff] |
cmd/internal/obj/loong64: recheck jump offset boundary after auto-aligning loop heads After the alignment of the loop header is performed, the offset of the checked conditional branch instruction may overflow, so it needs to be checked again. When checking whether the offset of the branch jump instruction overflows, it can be classified and processed according to the range of the immediate field of the specific instruction, which can reduce the introduction of unnecessary jump instructions. Fixes #61819 Change-Id: I772a5b5b8b8de21c78d7566be30be8ff65fdbce8 Reviewed-on: https://go-review.googlesource.com/c/go/+/519915 Reviewed-by: sophie zhao <zhaoxiaolin@loongson.cn> Reviewed-by: Michael Knyszek <mknyszek@google.com> TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Cherry Mui <cherryyz@google.com> Reviewed-by: Meidan Li <limeidan@loongson.cn> LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com> Run-TryBot: qiu laidongfeng2 <2645477756@qq.com> Reviewed-by: WANG Xuerui <git@xen0n.name>
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