diff options
| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2022-04-01 17:01:22 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2024-04-17 16:12:41 -0300 |
| commit | fa7fa397d3090a4d7883439140d50ae1f6f8617b (patch) | |
| tree | ada0016222e0a67644f1c4dbd53866a3c4a7d335 | |
| parent | b04dd4757fb4fcd8f6fc2ca21bf065992390d3a9 (diff) | |
| download | glibc-fa7fa397d3090a4d7883439140d50ae1f6f8617b.tar.gz glibc-fa7fa397d3090a4d7883439140d50ae1f6f8617b.tar.xz glibc-fa7fa397d3090a4d7883439140d50ae1f6f8617b.zip | |
math: Do not use __builtin_isnan on clang
It does not handle pseudo normal numbers.
| -rw-r--r-- | math/math.h | 3 | ||||
| -rw-r--r-- | sysdeps/ieee754/float128/float128_private.h | 2 | ||||
| -rw-r--r-- | sysdeps/ieee754/float128/s_isnanf128.c | 4 |
3 files changed, 6 insertions, 3 deletions
diff --git a/math/math.h b/math/math.h index 97e4df863e..59caf4b7e6 100644 --- a/math/math.h +++ b/math/math.h @@ -1004,8 +1004,7 @@ enum /* Return nonzero value if X is a NaN. We could use `fpclassify' but we already have this functions `__isnan' and it is faster. */ -# if (__GNUC_PREREQ (4,4) && !defined __SUPPORT_SNAN__) \ - || __glibc_clang_prereq (2,8) +# if (__GNUC_PREREQ (4,4) && !defined __SUPPORT_SNAN__) # define isnan(x) __builtin_isnan (x) # else # define isnan(x) __MATH_TG ((x), __isnan, (x)) diff --git a/sysdeps/ieee754/float128/float128_private.h b/sysdeps/ieee754/float128/float128_private.h index 38a8bdd0fe..672bf3cccf 100644 --- a/sysdeps/ieee754/float128/float128_private.h +++ b/sysdeps/ieee754/float128/float128_private.h @@ -352,7 +352,7 @@ #define frexpl frexpf128 #define getpayloadl getpayloadf128 #define isinfl isinff128_do_not_use -#define isnanl isnanf128_do_not_use +#define isnanl isnanf128 #define ldexpl ldexpf128 #define llrintl llrintf128 #define llroundl llroundf128 diff --git a/sysdeps/ieee754/float128/s_isnanf128.c b/sysdeps/ieee754/float128/s_isnanf128.c index 59f71533ce..b73a4e80d7 100644 --- a/sysdeps/ieee754/float128/s_isnanf128.c +++ b/sysdeps/ieee754/float128/s_isnanf128.c @@ -11,7 +11,11 @@ #include "../ldbl-128/s_isnanl.c" #if !IS_IN (libm) #include <float128-abi.h> +#ifdef SHARED hidden_ver (__isnanf128_impl, __isnanf128) +#else +strong_alias (__isnanf128_impl, __isnanf128) +#endif _weak_alias (__isnanf128_impl, isnanl) versioned_symbol (libc, __isnanf128_impl, __isnanf128, GLIBC_2_34); #if (SHLIB_COMPAT (libc, FLOAT128_VERSION_M, GLIBC_2_34)) |