From: Sergey Kaplun via Tarantool-patches <tarantool-patches@dev.tarantool.org>
To: Sergey Bronnikov <sergeyb@tarantool.org>
Cc: tarantool-patches@dev.tarantool.org
Subject: [Tarantool-patches] [PATCH luajit 0/4] Fixes for load fusing optimization
Date: Fri, 10 Jan 2025 16:07:43 +0300 [thread overview]
Message-ID: <cover.1736509260.git.skaplun@tarantool.org> (raw)
The patch set fixes load fusing optimization by preventing it across:
* `table.clear()` (1st, 2nd, 4th commits)
* `IR_NEWREF` (3rd commit)
Branch: https://github.com/tarantool/luajit/tree/skaplun/lj-1117-loads-fusion
Related issues:
* https://github.com/LuaJIT/LuaJIT/issues/1117
* https://github.com/tarantool/tarantool/issues/10709
Mike Pall (4):
x86/x64: Don't fuse loads across table.clear.
Improve last commit.
x86/x64: Don't fuse loads across IR_NEWREF.
Fix last commit.
src/lj_asm_x86.h | 16 +++---
.../lj-1117-fuse-across-newref.test.lua | 52 +++++++++++++++++++
.../lj-1117-fuse-across-table-clear.test.lua | 36 +++++++++++++
3 files changed, 97 insertions(+), 7 deletions(-)
create mode 100644 test/tarantool-tests/lj-1117-fuse-across-newref.test.lua
create mode 100644 test/tarantool-tests/lj-1117-fuse-across-table-clear.test.lua
--
2.47.1
next reply other threads:[~2025-01-10 13:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-10 13:07 Sergey Kaplun via Tarantool-patches [this message]
2025-01-10 13:07 ` [Tarantool-patches] [PATCH luajit 1/4] x86/x64: Don't fuse loads across table.clear Sergey Kaplun via Tarantool-patches
2025-01-14 14:10 ` Sergey Bronnikov via Tarantool-patches
2025-01-10 13:07 ` [Tarantool-patches] [PATCH luajit 2/4] Improve last commit Sergey Kaplun via Tarantool-patches
2025-01-14 14:11 ` Sergey Bronnikov via Tarantool-patches
2025-01-10 13:07 ` [Tarantool-patches] [PATCH luajit 3/4] x86/x64: Don't fuse loads across IR_NEWREF Sergey Kaplun via Tarantool-patches
2025-01-14 14:15 ` Sergey Bronnikov via Tarantool-patches
2025-01-10 13:07 ` [Tarantool-patches] [PATCH luajit 4/4] Fix last commit Sergey Kaplun via Tarantool-patches
2025-01-14 14:15 ` Sergey Bronnikov via Tarantool-patches
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