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From: Richard Henderson <richard.henderson@linaro.org>
To: Adhemerval Zanella <adhemerval.zanella@linaro.org>,
	libc-alpha@sourceware.org,
	Noah Goldstein <goldstein.w.n@gmail.com>
Subject: Re: [PATCH v9 13/22] alpha: Add string-fzb.h and string-fzi.h
Date: Tue, 17 Jan 2023 15:58:22 -1000	[thread overview]
Message-ID: <100fdd13-e518-6c40-f1de-29f8a31e38e1@linaro.org> (raw)
In-Reply-To: <20230117200014.1299923-14-adhemerval.zanella@linaro.org>

On 1/17/23 10:00, Adhemerval Zanella wrote:
> +shift_find_last (find_t word, uintptr_t s)
> +{
> +  s = s % sizeof (op_t);
> +  return word & ~((op_t)-1 << s);

Again, word & ~(-1 << 0) produces 0, whereas I would expect s == 0 to yield word.


r~

  reply	other threads:[~2023-01-18  1:58 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-01-17 19:59 [PATCH v9 00/22] Improve generic string routines Adhemerval Zanella
2023-01-17 19:59 ` [PATCH v9 01/22] Parameterize op_t from memcopy.h Adhemerval Zanella
2023-01-17 19:59 ` [PATCH v9 02/22] Parameterize OP_T_THRES " Adhemerval Zanella
2023-01-17 19:59 ` [PATCH v9 03/22] Add string vectorized find and detection functions Adhemerval Zanella
2023-01-18  1:35   ` Richard Henderson
2023-01-18  1:54   ` Richard Henderson
2023-01-18 12:42     ` Adhemerval Zanella Netto
2023-01-18 19:24       ` Richard Henderson
2023-01-18 19:38         ` Adhemerval Zanella Netto
2023-01-17 19:59 ` [PATCH v9 04/22] string: Improve generic strlen Adhemerval Zanella
2023-01-17 19:59 ` [PATCH v9 05/22] string: Improve generic strnlen Adhemerval Zanella
2023-01-17 19:59 ` [PATCH v9 06/22] string: Improve generic strchr Adhemerval Zanella
2023-01-18  1:42   ` Richard Henderson
2023-01-17 19:59 ` [PATCH v9 07/22] string: Improve generic strchrnul Adhemerval Zanella
2023-01-17 20:00 ` [PATCH v9 08/22] string: Improve generic strcmp Adhemerval Zanella
2023-01-17 20:00 ` [PATCH v9 09/22] string: Improve generic memchr Adhemerval Zanella
2023-01-17 20:00 ` [PATCH v9 10/22] string: Improve generic memrchr Adhemerval Zanella
2023-01-18  2:10   ` Richard Henderson
2023-01-17 20:00 ` [PATCH v9 11/22] hppa: Add memcopy.h Adhemerval Zanella
2023-01-17 20:00 ` [PATCH v9 12/22] hppa: Add string-fzb.h and string-fzi.h Adhemerval Zanella
2023-01-17 20:00 ` [PATCH v9 13/22] alpha: " Adhemerval Zanella
2023-01-18  1:58   ` Richard Henderson [this message]
2023-01-17 20:00 ` [PATCH v9 14/22] arm: Add string-fza.h Adhemerval Zanella
2023-01-17 20:00 ` [PATCH v9 15/22] powerpc: " Adhemerval Zanella
2023-01-17 20:00 ` [PATCH v9 16/22] sh: Add string-fzb.h Adhemerval Zanella
2023-01-17 20:00 ` [PATCH v9 17/22] string: Hook up the default implementation on test-strlen Adhemerval Zanella
2023-01-17 20:00 ` [PATCH v9 18/22] string: Hook up the default implementation on test-strnlen Adhemerval Zanella
2023-01-17 20:00 ` [PATCH v9 19/22] string: Hook up the default implementation on test-strchr Adhemerval Zanella
2023-01-17 20:00 ` [PATCH v9 20/22] string: Hook up the default implementation on test-strcmp Adhemerval Zanella
2023-01-17 20:00 ` [PATCH v9 21/22] string: Hook up the default implementation on test-memchr Adhemerval Zanella
2023-01-17 20:00 ` [PATCH v9 22/22] string: Hook up the default implementation on test-memrchr Adhemerval Zanella
2023-01-18 18:51   ` Carlos O'Donell

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