From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1791) id ABF0F3858036; Mon, 4 Apr 2022 13:00:43 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org ABF0F3858036 Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Adhemerval Zanella To: glibc-cvs@sourceware.org Subject: [glibc/azanella/clang] math: Do not use __builtin_isinf on clang X-Act-Checkin: glibc X-Git-Author: Adhemerval Zanella X-Git-Refname: refs/heads/azanella/clang X-Git-Oldrev: 4582f5d789942b05135af5a397e224e281e08af0 X-Git-Newrev: 342c49a85a035a92d6e7683e00c9084faa217d2e Message-Id: <20220404130043.ABF0F3858036@sourceware.org> Date: Mon, 4 Apr 2022 13:00:43 +0000 (GMT) X-BeenThere: glibc-cvs@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Glibc-cvs mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 04 Apr 2022 13:00:43 -0000 https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=342c49a85a035a92d6e7683e00c9084faa217d2e commit 342c49a85a035a92d6e7683e00c9084faa217d2e Author: Adhemerval Zanella Date: Fri Apr 1 17:03:34 2022 -0300 math: Do not use __builtin_isinf on clang It does not handle pseudo normal numbers. Diff: --- math/math.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/math/math.h b/math/math.h index 8e64e2eb4f..1cac405f67 100644 --- a/math/math.h +++ b/math/math.h @@ -1012,7 +1012,8 @@ enum /* Return nonzero value if X is positive or negative infinity. */ # if __HAVE_DISTINCT_FLOAT128 && !__GNUC_PREREQ (7,0) \ - && !defined __SUPPORT_SNAN__ && !defined __cplusplus + && !defined __SUPPORT_SNAN__ && !defined __cplusplus \ + && !defined __clang__ /* Since __builtin_isinf_sign is broken for float128 before GCC 7.0, use the helper function, __isinff128, with older compilers. This is only provided for C mode, because in C++ mode, GCC has no support @@ -1021,8 +1022,7 @@ enum # define isinf(x) \ (__builtin_types_compatible_p (__typeof (x), _Float128) \ ? __isinff128 (x) : __builtin_isinf_sign (x)) -# elif (__GNUC_PREREQ (4,4) && !defined __SUPPORT_SNAN__) \ - || __glibc_clang_prereq (3,7) +# elif (__GNUC_PREREQ (4,4) && !defined __SUPPORT_SNAN__) # define isinf(x) __builtin_isinf_sign (x) # else # define isinf(x) __MATH_TG ((x), __isinf, (x))