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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2022-04-01 10:19:57 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2022-05-23 17:49:18 -0300 |
| commit | efeb2bd1ab49215325040aa53396a2c19dfd1402 (patch) | |
| tree | 0dda3bc772c3ac1c2e2b2a8a55a6f75c28e1efe8 /sysdeps/ieee754/ldbl-128ibm | |
| parent | 04b30fe4f85d6e4c0390581a5e90db066a0b2f1f (diff) | |
| download | glibc-efeb2bd1ab49215325040aa53396a2c19dfd1402.zip glibc-efeb2bd1ab49215325040aa53396a2c19dfd1402.tar.gz glibc-efeb2bd1ab49215325040aa53396a2c19dfd1402.tar.bz2 | |
math: Add math-use-builtins-fabs (BZ#29027)
Both float, double, and _Float128 are assumed to be supported
(float and double already only uses builtins). Only long double
is parametrized due GCC bug 29253 which prevents its usage on
powerpc.
It allows to remove i686, ia64, x86_64, powerpc, and sparc arch
specific implementation.
On ia64 it also fixes the sNAN handling:
math/test-float64x-fabs
math/test-ldouble-fabs
Checked on x86_64-linux-gnu, i686-linux-gnu, powerpc-linux-gnu,
powerpc64-linux-gnu, sparc64-linux-gnu, and ia64-linux-gnu.
Diffstat (limited to 'sysdeps/ieee754/ldbl-128ibm')
| -rw-r--r-- | sysdeps/ieee754/ldbl-128ibm/s_fabsl.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c b/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c index cba7de6..7f26315 100644 --- a/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c +++ b/sysdeps/ieee754/ldbl-128ibm/s_fabsl.c @@ -24,9 +24,13 @@ static char rcsid[] = "$NetBSD: $"; #include <math.h> #include <math_private.h> #include <math_ldbl_opt.h> +#include <math-use-builtins.h> long double __fabsl(long double x) { +#if USE_FABSL_BUILTIN + return __builtin_fabsl (x); +#else uint64_t hx, lx; double xhi, xlo; @@ -39,5 +43,6 @@ long double __fabsl(long double x) INSERT_WORDS64 (xlo, lx); x = ldbl_pack (xhi, xlo); return x; +#endif } long_double_symbol (libm, __fabsl, fabsl); |