public inbox for glibc-cvs@sourceware.org help / color / mirror / Atom feed
From: Adhemerval Zanella <azanella@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc/azanella/clang] math: Do not use __builtin_fpclassify on clang Date: Mon, 29 Jan 2024 18:02:47 +0000 (GMT) [thread overview] Message-ID: <20240129180247.BCEB03858292@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=04ef30816468f42c3cf98506ff7de02b8d96ec36 commit 04ef30816468f42c3cf98506ff7de02b8d96ec36 Author: Adhemerval Zanella <adhemerval.zanella@linaro.org> Date: Fri Apr 1 16:54:55 2022 -0300 math: Do not use __builtin_fpclassify on clang It does not handle pseudo normal numbers. Diff: --- math/math.h | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/math/math.h b/math/math.h index a2fa4eb36a..2512b784c5 100644 --- a/math/math.h +++ b/math/math.h @@ -955,8 +955,7 @@ enum the __SUPPORT_SNAN__ check may be skipped for those versions. */ /* Return number of classification appropriate for X. */ -# if ((__GNUC_PREREQ (4,4) && !defined __SUPPORT_SNAN__) \ - || __glibc_clang_prereq (2,8)) \ +# if ((__GNUC_PREREQ (4,4) && !defined __SUPPORT_SNAN__)) \ && (!defined __OPTIMIZE_SIZE__ || defined __cplusplus) /* The check for __cplusplus allows the use of the builtin, even when optimization for size is on. This is provided for @@ -997,8 +996,7 @@ enum # endif /* Return nonzero value if X is neither zero, subnormal, Inf, nor NaN. */ -# if (__GNUC_PREREQ (4,4) && !defined __SUPPORT_SNAN__) \ - || __glibc_clang_prereq (2,8) +# if (__GNUC_PREREQ (4,4) && !defined __SUPPORT_SNAN__) # define isnormal(x) __builtin_isnormal (x) # else # define isnormal(x) (fpclassify (x) == FP_NORMAL)
next reply other threads:[~2024-01-29 18:02 UTC|newest] Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-01-29 18:02 Adhemerval Zanella [this message] -- strict thread matches above, loose matches on Subject: below -- 2024-04-17 20:12 Adhemerval Zanella 2024-04-02 15:58 Adhemerval Zanella 2024-02-09 17:37 Adhemerval Zanella 2024-02-07 14:12 Adhemerval Zanella 2023-12-21 18:59 Adhemerval Zanella 2023-09-28 17:57 Adhemerval Zanella 2023-08-30 12:41 Adhemerval Zanella 2023-02-09 19:53 Adhemerval Zanella 2022-10-28 17:46 Adhemerval Zanella 2022-10-04 13:04 Adhemerval Zanella 2022-06-09 21:25 Adhemerval Zanella 2022-06-09 13:22 Adhemerval Zanella 2022-06-03 14:11 Adhemerval Zanella 2022-05-13 14:25 Adhemerval Zanella 2022-05-12 19:39 Adhemerval Zanella 2022-05-10 18:29 Adhemerval Zanella 2022-04-29 14:09 Adhemerval Zanella 2022-04-04 13:00 Adhemerval Zanella
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=20240129180247.BCEB03858292@sourceware.org \ --to=azanella@sourceware.org \ --cc=glibc-cvs@sourceware.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).