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| author | Stefan Liebler <stli@linux.ibm.com> | 2019-12-11 15:09:18 +0100 |
|---|---|---|
| committer | Stefan Liebler <stli@linux.ibm.com> | 2019-12-11 15:12:15 +0100 |
| commit | ae3577f607b50bf3ce9b0877e43ad2508c9da61b (patch) | |
| tree | b284b10fc26c0454a71be353759f3d2f892b06e0 /sysdeps/ieee754/float128 | |
| parent | 36e9acbd5cb2c330c0d53195db4a0ee31f2c3097 (diff) | |
| download | glibc-ae3577f607b50bf3ce9b0877e43ad2508c9da61b.tar.gz | |
Use GCC builtins for nearbyint functions if desired.
This patch is using the corresponding GCC builtin for nearbyintf, nearbyint,
nearbintl and nearbyintf128 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/float128')
| -rw-r--r-- | sysdeps/ieee754/float128/float128_private.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sysdeps/ieee754/float128/float128_private.h b/sysdeps/ieee754/float128/float128_private.h index 4e31ef365b..e96986a968 100644 --- a/sysdeps/ieee754/float128/float128_private.h +++ b/sysdeps/ieee754/float128/float128_private.h @@ -139,6 +139,9 @@ #undef libm_alias_double_ldouble #define libm_alias_double_ldouble(func) libm_alias_float64_float128 (func) +#include <math-use-builtins.h> +#undef USE_NEARBYINTL_BUILTIN +#define USE_NEARBYINTL_BUILTIN USE_NEARBYINTF128_BUILTIN /* IEEE function renames. */ #define __ieee754_acoshl __ieee754_acoshf128 @@ -342,6 +345,7 @@ /* Builtin renames. */ #define __builtin_copysignl __builtin_copysignf128 #define __builtin_signbitl __builtin_signbit +#define __builtin_nearbyintl __builtin_nearbyintf128 /* Get the constant suffix from bits/floatn-compat.h. */ #define L(x) __f128 (x) |