diff options
| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2022-04-01 16:54:55 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2024-04-17 16:12:41 -0300 |
| commit | b04dd4757fb4fcd8f6fc2ca21bf065992390d3a9 (patch) | |
| tree | 8a0540c3a9781ad9c7d47a4ef68d0f8c39a68404 | |
| parent | a4112fc8babf51c86841f0420367dab31f5ac7db (diff) | |
| download | glibc-b04dd4757fb4fcd8f6fc2ca21bf065992390d3a9.tar.gz glibc-b04dd4757fb4fcd8f6fc2ca21bf065992390d3a9.tar.xz glibc-b04dd4757fb4fcd8f6fc2ca21bf065992390d3a9.zip | |
math: Do not use __builtin_fpclassify on clang
It does not handle pseudo normal numbers.
| -rw-r--r-- | math/math.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/math/math.h b/math/math.h index e1d266f4b3..97e4df863e 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) |