From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1791) id B88D63856DCF; Fri, 29 Apr 2022 14:10:00 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org B88D63856DCF 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: 4b9ea31062a32cd5c7b4c5e2f679437f30b12a8f X-Git-Newrev: ee783241cc4cb722230855de0943ee0a4bb7cf4f Message-Id: <20220429141000.B88D63856DCF@sourceware.org> Date: Fri, 29 Apr 2022 14:10:00 +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: Fri, 29 Apr 2022 14:10:00 -0000 https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ee783241cc4cb722230855de0943ee0a4bb7cf4f commit ee783241cc4cb722230855de0943ee0a4bb7cf4f 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))