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bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affect
From: |
Andrea Corallo |
Subject: |
bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode |
Date: |
Wed, 24 Feb 2021 09:42:39 +0000 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux) |
Pip Cet <pipcet@gmail.com> writes:
> On Wed, Feb 24, 2021 at 9:04 AM Andrea Corallo <akrl@sdf.org> wrote:
>> Pip Cet <pipcet@gmail.com> writes:
>>
>> > On Tue, Feb 23, 2021 at 11:36 PM Andrea Corallo <akrl@sdf.org> wrote:
>> >> Pip Cet <pipcet@gmail.com> writes:
>> >> > Is this one of them, or am I confused?
>> >>
>> >> What's suspitions with that? At present I'm admittedly quite done but
>> >> it looks okay to me.
>> >
>> > We're emitting
>> >
>> > (assume ,lhs (and ,lhs ,rhs))
>> >
>> > even when NEGATED is t.
>>
>> Nope, when NEGATED is t the complete sequence we are emitting is (see
>> line just following your diff hunk):
>>
>> (assume tmp-mvar (not rhs))
>
> But tmp-mvar is in the same slot as RHS.
>
>> (assume lhs (and lhs tmp-mvar))
>
> So this is equivalent (after the next SSA rename) to
>
> (assume lhs (and lhs rhs))
No sorry, after renaming this will be:
(assume rhs_2 (not rhs_1))
(assume lhs_2 (and lhs_1 rhs_2))
or if we prefer from an real dump:
(assume #(mvar 22593374 2 (not (integer 3 3))) (not #(mvar 22590962 2 (integer
3 3))))
(assume #(mvar 22593448 0 (or marker number)) (and #(mvar 22591258 0 (or marker
number)) #(mvar 22593374 2 (not (integer 3 3)))))
Sorry my development time budget for this week has been almost entirely
consumed now, I'll try to come back on your many mails but I have other
duties in line.
Andrea
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, (continued)
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Pip Cet, 2021/02/23
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Andrea Corallo, 2021/02/23
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Andrea Corallo, 2021/02/23
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Mauricio Collares, 2021/02/23
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Andrea Corallo, 2021/02/24
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Pip Cet, 2021/02/23
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Andrea Corallo, 2021/02/23
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Pip Cet, 2021/02/23
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Andrea Corallo, 2021/02/24
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Pip Cet, 2021/02/24
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode,
Andrea Corallo <=
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Pip Cet, 2021/02/24
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Andrea Corallo, 2021/02/24
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Pip Cet, 2021/02/25
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Eli Zaretskii, 2021/02/25
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Pip Cet, 2021/02/25
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Eli Zaretskii, 2021/02/25
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Andrea Corallo, 2021/02/25
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Pip Cet, 2021/02/25
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Andrea Corallo, 2021/02/26
- bug#46670: 28.0.50; [feature/native-comp] possible miscompilation affecting lsp-mode, Pip Cet, 2021/02/26