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| author | Stefan Liebler <stli@linux.ibm.com> | 2019-12-11 15:09:21 +0100 |
|---|---|---|
| committer | Stefan Liebler <stli@linux.ibm.com> | 2019-12-11 15:12:17 +0100 |
| commit | 62560ee84095274bab1050817f42e782df226a17 (patch) | |
| tree | 2cbaf3b217ed1ce2555b1df91254fa8526f5ea43 /sysdeps/ieee754/flt-32 | |
| parent | 6c1b6a5e8cd91e0e1965509ad91e627e60eb00a3 (diff) | |
| download | glibc-62560ee84095274bab1050817f42e782df226a17.tar.gz glibc-62560ee84095274bab1050817f42e782df226a17.tar.xz glibc-62560ee84095274bab1050817f42e782df226a17.zip | |
Use GCC builtins for ceil functions if desired.
This patch is using the corresponding GCC builtin for ceilf, ceil, ceill and ceilf128 if the USE_FUNCTION_BUILTIN macros are defined to one in math-use-builtins.h. This is the case for s390 if build with at least --march=z196 --mzarch. Otherwise the generic implementation is used. The code of the generic implementation is not changed. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'sysdeps/ieee754/flt-32')
| -rw-r--r-- | sysdeps/ieee754/flt-32/s_ceilf.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sysdeps/ieee754/flt-32/s_ceilf.c b/sysdeps/ieee754/flt-32/s_ceilf.c index 25cba0807c..7d4990f3ff 100644 --- a/sysdeps/ieee754/flt-32/s_ceilf.c +++ b/sysdeps/ieee754/flt-32/s_ceilf.c @@ -17,11 +17,15 @@ #include <math.h> #include <math_private.h> #include <libm-alias-float.h> - +#include <math-use-builtins.h> float __ceilf(float x) { +#if USE_CEILF_BUILTIN + return __builtin_ceilf (x); +#else + /* Use generic implementation. */ int32_t i0,j0; uint32_t i; @@ -44,6 +48,7 @@ __ceilf(float x) } SET_FLOAT_WORD(x,i0); return x; +#endif /* ! USE_CEILF_BUILTIN */ } #ifndef __ceilf libm_alias_float (__ceil, ceil) |