diff options
Diffstat (limited to 'sysdeps')
-rw-r--r-- | sysdeps/generic/math-use-builtins-roundeven.h | 4 | ||||
-rw-r--r-- | sysdeps/generic/math-use-builtins.h | 1 | ||||
-rw-r--r-- | sysdeps/ieee754/dbl-64/s_roundeven.c | 5 | ||||
-rw-r--r-- | sysdeps/ieee754/float128/float128_private.h | 2 | ||||
-rw-r--r-- | sysdeps/ieee754/flt-32/s_roundevenf.c | 5 | ||||
-rw-r--r-- | sysdeps/ieee754/ldbl-128/s_roundevenl.c | 5 |
6 files changed, 22 insertions, 0 deletions
diff --git a/sysdeps/generic/math-use-builtins-roundeven.h b/sysdeps/generic/math-use-builtins-roundeven.h new file mode 100644 index 0000000000..bd2e84c93f --- /dev/null +++ b/sysdeps/generic/math-use-builtins-roundeven.h @@ -0,0 +1,4 @@ +#define USE_ROUNDEVEN_BUILTIN 0 +#define USE_ROUNDEVENF_BUILTIN 0 +#define USE_ROUNDEVENL_BUILTIN 0 +#define USE_ROUNDEVENF128_BUILTIN 0 diff --git a/sysdeps/generic/math-use-builtins.h b/sysdeps/generic/math-use-builtins.h index cc3e9f2201..19d2d1cf3c 100644 --- a/sysdeps/generic/math-use-builtins.h +++ b/sysdeps/generic/math-use-builtins.h @@ -30,6 +30,7 @@ #include <math-use-builtins-ceil.h> #include <math-use-builtins-trunc.h> #include <math-use-builtins-round.h> +#include <math-use-builtins-roundeven.h> #include <math-use-builtins-copysign.h> #include <math-use-builtins-sqrt.h> #include <math-use-builtins-fma.h> diff --git a/sysdeps/ieee754/dbl-64/s_roundeven.c b/sysdeps/ieee754/dbl-64/s_roundeven.c index 5deff3bb8a..88c051e9fe 100644 --- a/sysdeps/ieee754/dbl-64/s_roundeven.c +++ b/sysdeps/ieee754/dbl-64/s_roundeven.c @@ -21,6 +21,7 @@ #include <math_private.h> #include <libm-alias-double.h> #include <stdint.h> +#include <math-use-builtins.h> #define BIAS 0x3ff #define MANT_DIG 53 @@ -29,6 +30,9 @@ double __roundeven (double x) { +#if USE_ROUNDEVEN_BUILTIN + return __builtin_roundeven (x); +#else uint64_t ix, ux; EXTRACT_WORDS64 (ix, x); ux = ix & 0x7fffffffffffffffULL; @@ -66,6 +70,7 @@ __roundeven (double x) ix &= 0x8000000000000000ULL; INSERT_WORDS64 (x, ix); return x; +#endif /* ! USE_ROUNDEVEN_BUILTIN */ } #ifndef __roundeven libm_alias_double (__roundeven, roundeven) diff --git a/sysdeps/ieee754/float128/float128_private.h b/sysdeps/ieee754/float128/float128_private.h index 979138851b..b6b6d3d5fd 100644 --- a/sysdeps/ieee754/float128/float128_private.h +++ b/sysdeps/ieee754/float128/float128_private.h @@ -152,6 +152,8 @@ #define USE_TRUNCL_BUILTIN USE_TRUNCF128_BUILTIN #undef USE_ROUNDL_BUILTIN #define USE_ROUNDL_BUILTIN USE_ROUNDF128_BUILTIN +#undef USE_ROUNDEVENL_BUILTIN +#define USE_ROUNDEVENL_BUILTIN USE_ROUNDEVENF128_BUILTIN #undef USE_COPYSIGNL_BUILTIN #define USE_COPYSIGNL_BUILTIN USE_COPYSIGNF128_BUILTIN #undef USE_FMAL_BUILTIN diff --git a/sysdeps/ieee754/flt-32/s_roundevenf.c b/sysdeps/ieee754/flt-32/s_roundevenf.c index 2cc0d7b001..4f568579d8 100644 --- a/sysdeps/ieee754/flt-32/s_roundevenf.c +++ b/sysdeps/ieee754/flt-32/s_roundevenf.c @@ -21,6 +21,7 @@ #include <math.h> #include <math_private.h> #include <libm-alias-float.h> +#include <math-use-builtins.h> #include <stdint.h> #define BIAS 0x7f @@ -30,6 +31,9 @@ float __roundevenf (float x) { +#if USE_ROUNDEVENF_BUILTIN + return __builtin_roundevenf (x); +#else uint32_t ix, ux; GET_FLOAT_WORD (ix, x); ux = ix & 0x7fffffff; @@ -67,6 +71,7 @@ __roundevenf (float x) ix &= 0x80000000; SET_FLOAT_WORD (x, ix); return x; +#endif /* ! USE_ROUNDEVENF_BUILTIN */ } #ifndef __roundevenf libm_alias_float (__roundeven, roundeven) diff --git a/sysdeps/ieee754/ldbl-128/s_roundevenl.c b/sysdeps/ieee754/ldbl-128/s_roundevenl.c index 7c9c11fad2..afbf13d4f2 100644 --- a/sysdeps/ieee754/ldbl-128/s_roundevenl.c +++ b/sysdeps/ieee754/ldbl-128/s_roundevenl.c @@ -21,6 +21,7 @@ #include <math.h> #include <math_private.h> #include <libm-alias-ldouble.h> +#include <math-use-builtins.h> #include <stdint.h> #define BIAS 0x3fff @@ -30,6 +31,9 @@ _Float128 __roundevenl (_Float128 x) { +#if USE_ROUNDEVENL_BUILTIN + return __builtin_roundevenl (x); +#else uint64_t hx, lx, uhx; GET_LDOUBLE_WORDS64 (hx, lx, x); uhx = hx & 0x7fffffffffffffffULL; @@ -101,5 +105,6 @@ __roundevenl (_Float128 x) } SET_LDOUBLE_WORDS64 (x, hx, lx); return x; +#endif /* ! USE_ROUNDEVENL_BUILTIN */ } libm_alias_ldouble (__roundeven, roundeven) |