[Tarantool-patches] [PATCH luajit] Fix FOLD rule for BUFHDR append.

Sergey Kaplun skaplun at tarantool.org
Mon Nov 27 13:38:07 MSK 2023


Hi, Sergey!
Thanks for review!
Fixed your comment, rebased on the current master and force-pushed the
branch.

On 24.11.23, Sergey Bronnikov wrote:
> Hello, Sergey
> 
> thanks for the patch! LGTM with a nit below.
> 
> On 11/14/23 18:04, Sergey Kaplun wrote:

<snipped>

> > +-- The instruction to be folded is the following:
> > +-- 0016     p32 BUFPUT 0015 0011
> > +--
> > +-- The 0011 operand is PHI, which is not the last IR in the BUFSTR
> > +-- chain (`ir->prev = REF_BIAS + 0006`). Folding this IR leads to
> > +-- this resulting IR:
> > +-- p32 BUFHDR 0010  APPEND
> > +-- Which appends to buffer instead of reseting, so the resulting
> 
> After rebase on tarantool/master and running LuaJIT-codespell:
> 
> reseting ==> resetting

Thanks, fixed!

===================================================================
diff --git a/test/tarantool-tests/lj-791-fold-bufhdr-append.test.lua b/test/tarantool-tests/lj-791-fold-bufhdr-append.test.lua
index 19be91a4..98b83ece 100644
--- a/test/tarantool-tests/lj-791-fold-bufhdr-append.test.lua
+++ b/test/tarantool-tests/lj-791-fold-bufhdr-append.test.lua
@@ -35,7 +35,7 @@ jit.opt.start('hotloop=1')
 -- chain (`ir->prev = REF_BIAS + 0006`). Folding this IR leads to
 -- this resulting IR:
 -- p32 BUFHDR 0010  APPEND
--- Which appends to buffer instead of reseting, so the resulting
+-- Which appends to buffer instead of resetting, so the resulting
 -- string contains one more symbol.
 
 -- XXX: Use 5 iterations to run the variant part of the loop.
===================================================================

> 
> > +-- string contains one more symbol.

<snipped>

-- 
Best regards,
Sergey Kaplun


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