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From: Vibhav Pant <vibhavp@gmail.com>
To: Andrea Corallo <akrl@sdf.org>
Cc: emacs-devel@gnu.org
Subject: Re: [PATCH] comp.c: Use the newly added bitcast API for type coercion, when available. (feature/jit-improved-type-punning)
Date: Sun, 02 Oct 2022 22:57:40 +0530	[thread overview]
Message-ID: <359f42c0c165c4b00c84a7818a89697e7cd28d50.camel@gmail.com> (raw)
In-Reply-To: <xjfmtajad49.fsf@ma.sdf.org>


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On Wed, 2022-09-28 at 12:37 +0000, Andrea Corallo wrote:
> thanks for the patch, please find some comments below.
Hi Andrea,

Thanks for the feedback.

> 
> Could you clarify why we need this double cast in both cases here?
> 

gcc_jit_context_new_bitcast requires that the types being converted
between have the same layout and as such, doesn't allow converting
between an arbitrarily sized integer/boolean and a pointer. Casting it
to a uintptr/void* is still necessary, to ensure that it can be bitcast
into a void*/uintptr respectively.

> > 
> 
> Are this and the following new line added voluntarily?
> 

Oops, fixed.

> 
> 
> Which kind of tests did this patch went through?  I assumed you tried
> a
> bootstrap could you please confirm?  Also have comp tests been tried?
> 

I ran the regular test suite, the code bootstraps succesfully, and I
have been using it as a daily driver for more than a week. I've
attached the results of comp tests with the expensive selector enabled
below.

Thanks,
Vibhav


> Thanks
> 
>   Andrea


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Compiling tests...

In comp-test-40187-2-f:
comp-test-funcs.el:286:8: Warning: function `comp-test-40187-2-f' defined multiple times in this file

In comp-test-46824-1-f:
comp-test-funcs.el:502:16: Warning: value returned from (format %S (error-message-string err)) is unused
comp-test-funcs.el:502:16: Warning: value returned from (format %S (error-message-string err)) is unused
comp-test-funcs.el:502:16: Warning: value returned from (format %S (error-message-string err)) is unused

In comp-test-silly-frame2:
comp-test-funcs.el:647:10: Warning: reference to free variable `c'
Loading /home/vibhavp/src/emacs/native-lisp/29.0.50-dbf5140f/comp-test-funcs-1959403c-f58ebfa6.eln (native compiled elisp)...
Loading /home/vibhavp/src/emacs/native-lisp/29.0.50-dbf5140f/comp-test-funcs-dyn-af61ca32-37b66b75.eln (native compiled elisp)...
Running 167 tests (2022-10-02 22:49:47+0530, selector `(not (tag :unstable))')
   passed    1/167  comp-tests-45576-1 (0.000135 sec)
   passed    2/167  comp-tests-45635-1 (0.000097 sec)
   passed    3/167  comp-tests-46670-1 (0.000091 sec)
   passed    4/167  comp-tests-46824-1 (0.000087 sec)
   passed    5/167  comp-tests-48029-1 (0.000096 sec)
   passed    6/167  comp-tests-> (0.000086 sec)
   passed    7/167  comp-tests-add1 (0.000094 sec)
   passed    8/167  comp-tests-and (0.000087 sec)
   passed    9/167  comp-tests-and-3 (0.000102 sec)
   passed   10/167  comp-tests-apply (0.000091 sec)
   passed   11/167  comp-tests-aref-aset (0.000080 sec)
   passed   12/167  comp-tests-arith-comp (0.000121 sec)
   passed   13/167  comp-tests-assume-double-neg (0.000081 sec)
   passed   14/167  comp-tests-assume-in-loop-1 (0.000081 sec)
   passed   15/167  comp-tests-bobp-and-eobp (0.000118 sec)
Loading /home/vibhavp/src/emacs/lisp/emacs-lisp/comp.elc...
Compiling stage1...
Done in 127 secs
Loading /home/vibhavp/src/emacs/native-lisp/29.0.50-dbf5140f/emacs-test-2zFsGd-comp-stage1-a71fb8cb-8ba0ac7c.eln (native compiled elisp)...
Compiling stage2...
Done in 152 secs
Comparing /home/vibhavp/src/emacs/native-lisp/29.0.50-dbf5140f/emacs-test-2zFsGd-comp-stage1-a71fb8cb-8ba0ac7c.eln /home/vibhavp/src/emacs/native-lisp/29.0.50-dbf5140f/emacs-test-621qtZ-comp-stage2-6d8e140c-8ba0ac7c.eln
   passed   16/167  comp-tests-bootstrap (280.298308 sec)
   passed   17/167  comp-tests-bubble-sort (0.008626 sec)
   passed   18/167  comp-tests-buffer (0.000101 sec)
   passed   19/167  comp-tests-bug-40187 (0.000090 sec)
   passed   20/167  comp-tests-bug-42360 (0.000089 sec)
   passed   21/167  comp-tests-bug-44968 (0.000188 sec)
   passed   22/167  comp-tests-bug-45342 (0.000083 sec)
   passed   23/167  comp-tests-bug-45376-1 (0.000167 sec)
   passed   24/167  comp-tests-bug-45376-2 (0.000082 sec)
   passed   25/167  comp-tests-car-cdr (0.000111 sec)
   passed   26/167  comp-tests-car-cdr-safe (0.000102 sec)
   passed   27/167  comp-tests-catch (0.000087 sec)
   passed   28/167  comp-tests-cl-macro-exp (0.000082 sec)
   passed   29/167  comp-tests-cl-uninterned-arg-parse-f (0.000081 sec)
   passed   30/167  comp-tests-comp-test-47868-1 (0.000107 sec)
   passed   31/167  comp-tests-comp-test-defsubst (0.000082 sec)
   passed   32/167  comp-tests-comp-tests-cons-car-cdr (0.000086 sec)
   passed   33/167  comp-tests-compile-forms (0.570224 sec)
   passed   34/167  comp-tests-concat (0.000155 sec)
   passed   35/167  comp-tests-concatN (0.000143 sec)
   passed   36/167  comp-tests-cond-rw-1 (0.000137 sec)
   passed   37/167  comp-tests-conditionals (0.000096 sec)
   passed   38/167  comp-tests-consp (0.000092 sec)
   passed   39/167  comp-tests-copy-insn (0.000111 sec)
   passed   40/167  comp-tests-doc (0.000490 sec)
   passed   41/167  comp-tests-dynamic-arity (0.000098 sec)
   passed   42/167  comp-tests-dynamic-ffuncall (0.000128 sec)
   passed   43/167  comp-tests-dynamic-help-arglist (0.000089 sec)
   passed   44/167  comp-tests-eq (0.000092 sec)
   passed   45/167  comp-tests-ffuncall (0.000145 sec)
   passed   46/167  comp-tests-fixnum (0.000126 sec)
   passed   47/167  comp-tests-free-fun (0.275534 sec)
   passed   48/167  comp-tests-free-fun-silly-name (0.314101 sec)
   passed   49/167  comp-tests-func-call-removal (0.000179 sec)
   passed   50/167  comp-tests-fw-prop-1 (0.281738 sec)
   passed   51/167  comp-tests-gc (0.053151 sec)
   passed   52/167  comp-tests-if (0.000115 sec)
   passed   53/167  comp-tests-integerp (0.000109 sec)
   passed   54/167  comp-tests-interactive-form (0.000114 sec)
   passed   55/167  comp-tests-jump-table (0.000110 sec)
   passed   56/167  comp-tests-lambda-return (0.000096 sec)
   passed   57/167  comp-tests-length (0.000091 sec)
   passed   58/167  comp-tests-list (0.000144 sec)
   passed   59/167  comp-tests-listN (0.000093 sec)
   passed   60/167  comp-tests-listp (0.000101 sec)
   passed   61/167  comp-tests-macro (0.000091 sec)
   passed   62/167  comp-tests-memq (0.000095 sec)
   passed   63/167  comp-tests-negate (0.000107 sec)
   passed   64/167  comp-tests-non-locals (0.000130 sec)
   passed   65/167  comp-tests-not (0.000100 sec)
   passed   66/167  comp-tests-not-cons-1 (0.000235 sec)
   passed   67/167  comp-tests-num-inline (0.000123 sec)
   passed   68/167  comp-tests-numberp (0.000101 sec)
   passed   69/167  comp-tests-opt (0.000108 sec)
   passed   70/167  comp-tests-opt-rest (0.000169 sec)
   passed   71/167  comp-tests-or (0.000250 sec)
   passed   72/167  comp-tests-primitive-advice (0.258131 sec)
   passed   73/167  comp-tests-primitive-redefine (0.303571 sec)
   passed   74/167  comp-tests-primitive-redefine-compile-44221 (0.600463 sec)
   passed   75/167  comp-tests-provide (0.000098 sec)
Loading /tmp/test-nativecomp-cache-By7pRC/29.0.50-dbf5140f/comp-test-pure-5020ed44-446ae10b.eln (native compiled elisp)...
   passed   76/167  comp-tests-pure (0.290764 sec)
   passed   77/167  comp-tests-recursive (0.000177 sec)
   passed   78/167  comp-tests-ret-type-spec-1 (0.272534 sec)
   passed   79/167  comp-tests-ret-type-spec-10 (0.280535 sec)
   passed   80/167  comp-tests-ret-type-spec-11 (0.291971 sec)
   passed   81/167  comp-tests-ret-type-spec-12 (0.277817 sec)
   passed   82/167  comp-tests-ret-type-spec-13 (0.321801 sec)
   passed   83/167  comp-tests-ret-type-spec-14 (0.301459 sec)
   passed   84/167  comp-tests-ret-type-spec-15 (0.291450 sec)
   passed   85/167  comp-tests-ret-type-spec-16 (0.277157 sec)
 Warning: Unused lexical variable `x'
   passed   86/167  comp-tests-ret-type-spec-17 (0.276892 sec)
   passed   87/167  comp-tests-ret-type-spec-18 (0.281342 sec)
   passed   88/167  comp-tests-ret-type-spec-19 (0.287684 sec)
   passed   89/167  comp-tests-ret-type-spec-2 (0.281564 sec)
   passed   90/167  comp-tests-ret-type-spec-20 (0.303452 sec)
   passed   91/167  comp-tests-ret-type-spec-21 (0.279921 sec)
   passed   92/167  comp-tests-ret-type-spec-22 (2.759134 sec)
   passed   93/167  comp-tests-ret-type-spec-23 (0.289070 sec)
   passed   94/167  comp-tests-ret-type-spec-24 (0.276128 sec)
   passed   95/167  comp-tests-ret-type-spec-25 (0.296596 sec)
   passed   96/167  comp-tests-ret-type-spec-26 (0.303224 sec)
   passed   97/167  comp-tests-ret-type-spec-27 (0.287032 sec)
   passed   98/167  comp-tests-ret-type-spec-28 (0.308105 sec)
   passed   99/167  comp-tests-ret-type-spec-29 (0.283869 sec)
   passed  100/167  comp-tests-ret-type-spec-3 (0.277329 sec)
   passed  101/167  comp-tests-ret-type-spec-30 (0.280996 sec)
   passed  102/167  comp-tests-ret-type-spec-31 (0.318439 sec)
   passed  103/167  comp-tests-ret-type-spec-32 (0.288356 sec)
   passed  104/167  comp-tests-ret-type-spec-33 (0.287069 sec)
   passed  105/167  comp-tests-ret-type-spec-34 (0.302556 sec)
   passed  106/167  comp-tests-ret-type-spec-35 (0.286318 sec)
   passed  107/167  comp-tests-ret-type-spec-36 (0.282842 sec)
   passed  108/167  comp-tests-ret-type-spec-37 (0.283415 sec)
   passed  109/167  comp-tests-ret-type-spec-38 (0.317173 sec)
   passed  110/167  comp-tests-ret-type-spec-39 (0.284419 sec)
   passed  111/167  comp-tests-ret-type-spec-4 (0.274697 sec)
   passed  112/167  comp-tests-ret-type-spec-40 (0.321292 sec)
   passed  113/167  comp-tests-ret-type-spec-41 (0.311932 sec)
   passed  114/167  comp-tests-ret-type-spec-42 (0.290013 sec)
   passed  115/167  comp-tests-ret-type-spec-43 (0.280319 sec)
   passed  116/167  comp-tests-ret-type-spec-44 (0.324355 sec)
   passed  117/167  comp-tests-ret-type-spec-45 (0.345043 sec)
   passed  118/167  comp-tests-ret-type-spec-46 (0.439334 sec)
   passed  119/167  comp-tests-ret-type-spec-47 (0.318829 sec)
   passed  120/167  comp-tests-ret-type-spec-48 (0.283179 sec)
   passed  121/167  comp-tests-ret-type-spec-49 (0.256813 sec)
   passed  122/167  comp-tests-ret-type-spec-5 (0.312993 sec)
   passed  123/167  comp-tests-ret-type-spec-50 (0.282475 sec)
   passed  124/167  comp-tests-ret-type-spec-51 (0.284644 sec)
   passed  125/167  comp-tests-ret-type-spec-52 (0.309145 sec)
   passed  126/167  comp-tests-ret-type-spec-53 (0.285351 sec)
   passed  127/167  comp-tests-ret-type-spec-54 (0.306183 sec)
   passed  128/167  comp-tests-ret-type-spec-55 (0.291400 sec)
   passed  129/167  comp-tests-ret-type-spec-56 (0.312149 sec)
   passed  130/167  comp-tests-ret-type-spec-57 (0.289313 sec)
   passed  131/167  comp-tests-ret-type-spec-58 (0.307401 sec)
   passed  132/167  comp-tests-ret-type-spec-59 (0.292955 sec)
   passed  133/167  comp-tests-ret-type-spec-6 (0.280503 sec)
   passed  134/167  comp-tests-ret-type-spec-60 (0.307431 sec)
   passed  135/167  comp-tests-ret-type-spec-61 (0.282792 sec)
   passed  136/167  comp-tests-ret-type-spec-62 (0.283371 sec)
   passed  137/167  comp-tests-ret-type-spec-63 (0.291698 sec)
   passed  138/167  comp-tests-ret-type-spec-64 (0.278352 sec)
   passed  139/167  comp-tests-ret-type-spec-65 (0.303208 sec)
   passed  140/167  comp-tests-ret-type-spec-66 (0.290234 sec)
   passed  141/167  comp-tests-ret-type-spec-67 (0.275930 sec)
   passed  142/167  comp-tests-ret-type-spec-68 (0.289036 sec)
   passed  143/167  comp-tests-ret-type-spec-69 (0.285698 sec)
   passed  144/167  comp-tests-ret-type-spec-7 (0.316235 sec)
   passed  145/167  comp-tests-ret-type-spec-70 (0.286930 sec)
   passed  146/167  comp-tests-ret-type-spec-71 (0.285470 sec)
   passed  147/167  comp-tests-ret-type-spec-72 (0.279710 sec)
   passed  148/167  comp-tests-ret-type-spec-73 (0.305579 sec)
   passed  149/167  comp-tests-ret-type-spec-74 (0.296679 sec)
   passed  150/167  comp-tests-ret-type-spec-8 (0.280416 sec)
   passed  151/167  comp-tests-ret-type-spec-9 (0.305530 sec)
   passed  152/167  comp-tests-save-excursion (0.000221 sec)
   passed  153/167  comp-tests-setcarcdr (0.000204 sec)
   passed  154/167  comp-tests-signal (0.000151 sec)
   passed  155/167  comp-tests-speed--1 (0.000121 sec)
   passed  156/167  comp-tests-stack (0.000114 sec)
   passed  157/167  comp-tests-string-trim (0.000100 sec)
   passed  158/167  comp-tests-stringp (0.000102 sec)
   passed  159/167  comp-tests-sub1 (0.000142 sec)
   passed  160/167  comp-tests-symbol-value (0.000094 sec)
   passed  161/167  comp-tests-symbolp (0.000103 sec)
   passed  162/167  comp-tests-tco (0.319600 sec)
   passed  163/167  comp-tests-trampoline-removal (0.000154 sec)
   passed  164/167  comp-tests-type-hints (0.000151 sec)
   passed  165/167  comp-tests-unwind-protect (0.000153 sec)
   passed  166/167  comp-tests-varref (0.000093 sec)
   passed  167/167  comp-tests-varset (0.000098 sec)

Ran 167 tests, 167 results as expected, 0 unexpected (2022-10-02 22:54:55+0530, 307.936575 sec)


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  reply	other threads:[~2022-10-02 17:27 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-27 18:15 [PATCH] comp.c: Use the newly added bitcast API for type coercion, when available. (feature/jit-improved-type-punning) Vibhav Pant
2022-09-27 18:18 ` Lars Ingebrigtsen
2022-09-28 12:39   ` Andrea Corallo
2022-09-28 12:37 ` Andrea Corallo
2022-10-02 17:27   ` Vibhav Pant [this message]
2022-10-04 18:39     ` Andrea Corallo
2022-10-05  9:21       ` Vibhav Pant
2022-10-05 10:42         ` Andrea Corallo

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