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| author | Szabolcs Nagy <szabolcs.nagy@arm.com> | 2017-09-12 12:44:18 +0100 |
|---|---|---|
| committer | Szabolcs Nagy <szabolcs.nagy@arm.com> | 2017-09-29 11:51:12 +0100 |
| commit | 7dc9a7c1aa60966df497d6405aab3bdfab5c6083 (patch) | |
| tree | 4996992b1a71eb9e3b12df865b9b78a5e531e55e /sysdeps/ieee754 | |
| parent | 309a2d3d3543b89bc9fb1b86b02cb84e8b961780 (diff) | |
| download | glibc-7dc9a7c1aa60966df497d6405aab3bdfab5c6083.tar.gz glibc-7dc9a7c1aa60966df497d6405aab3bdfab5c6083.tar.xz glibc-7dc9a7c1aa60966df497d6405aab3bdfab5c6083.zip | |
Do not wrap expf and exp2f
The new generic expf and exp2f code don't need wrappers any more, they set errno inline, so only use the wrappers on targets that need it. (If the wrapper is needed, then the top level wrapper code is included, otherwise empty w_exp*f.c is used to suppress the wrapper.) A powerpc64 expf implementation includes the expf c code directly which needed some changes. 2017-09-25 Szabolcs Nagy <szabolcs.nagy@arm.com> H.J. Lu <hongjiu.lu@intel.com> * sysdeps/ieee754/flt-32/e_exp2f.c (__exp2f): Define without wrapper. * sysdeps/ieee754/flt-32/e_expf.c (__expf): Likewise * sysdeps/ieee754/flt-32/w_exp2f.c: New file. * sysdeps/ieee754/flt-32/w_expf.c: New file. * sysdeps/powerpc/powerpc64/fpu/multiarch/e_expf-ppc64.c: Update for the new expf code. * sysdeps/powerpc/powerpc64/fpu/multiarch/w_expf.c: New file. * sysdeps/powerpc/powerpc64/power8/fpu/w_expf.c: New file. * sysdeps/m68k/m680x0/fpu/w_exp2f.c: New file. * sysdeps/m68k/m680x0/fpu/w_expf.c: New file. * sysdeps/i386/fpu/w_exp2f.c: New file. * sysdeps/i386/fpu/w_expf.c: New file. * sysdeps/i386/i686/fpu/multiarch/w_expf.c: New file. * sysdeps/x86_64/fpu/w_expf.c: New file.
Diffstat (limited to 'sysdeps/ieee754')
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_exp2f.c | 9 | ||||
| -rw-r--r-- | sysdeps/ieee754/flt-32/e_expf.c | 16 | ||||
| -rw-r--r-- | sysdeps/ieee754/flt-32/w_exp2f.c | 1 | ||||
| -rw-r--r-- | sysdeps/ieee754/flt-32/w_expf.c | 1 |
4 files changed, 23 insertions, 4 deletions
diff --git a/sysdeps/ieee754/flt-32/e_exp2f.c b/sysdeps/ieee754/flt-32/e_exp2f.c index 72b7d8829f..31b660b07b 100644 --- a/sysdeps/ieee754/flt-32/e_exp2f.c +++ b/sysdeps/ieee754/flt-32/e_exp2f.c @@ -18,6 +18,7 @@ #include <math.h> #include <stdint.h> +#include <shlib-compat.h> #include "math_config.h" /* @@ -42,7 +43,7 @@ top12 (float x) } float -__ieee754_exp2f (float x) +__exp2f (float x) { uint32_t abstop; uint64_t ki, t; @@ -85,4 +86,8 @@ __ieee754_exp2f (float x) y = y * s; return (float) y; } -strong_alias (__ieee754_exp2f, __exp2f_finite) +#ifndef __exp2f +strong_alias (__exp2f, __ieee754_exp2f) +strong_alias (__exp2f, __exp2f_finite) +versioned_symbol (libm, __exp2f, exp2f, GLIBC_2_27); +#endif diff --git a/sysdeps/ieee754/flt-32/e_expf.c b/sysdeps/ieee754/flt-32/e_expf.c index 12239e1862..74a383a02c 100644 --- a/sysdeps/ieee754/flt-32/e_expf.c +++ b/sysdeps/ieee754/flt-32/e_expf.c @@ -16,8 +16,14 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ +#ifdef __expf +# undef libm_hidden_proto +# define libm_hidden_proto(ignored) +#endif + #include <math.h> #include <stdint.h> +#include <shlib-compat.h> #include "math_config.h" /* @@ -42,7 +48,7 @@ top12 (float x) } float -__ieee754_expf (float x) +__expf (float x) { uint32_t abstop; uint64_t ki, t; @@ -99,4 +105,10 @@ __ieee754_expf (float x) y = y * s; return (float) y; } -strong_alias (__ieee754_expf, __expf_finite) + +#ifndef __expf +hidden_def (__expf) +strong_alias (__expf, __ieee754_expf) +strong_alias (__expf, __expf_finite) +versioned_symbol (libm, __expf, expf, GLIBC_2_27); +#endif diff --git a/sysdeps/ieee754/flt-32/w_exp2f.c b/sysdeps/ieee754/flt-32/w_exp2f.c new file mode 100644 index 0000000000..1cc8931700 --- /dev/null +++ b/sysdeps/ieee754/flt-32/w_exp2f.c @@ -0,0 +1 @@ +/* Not needed. */ diff --git a/sysdeps/ieee754/flt-32/w_expf.c b/sysdeps/ieee754/flt-32/w_expf.c new file mode 100644 index 0000000000..1cc8931700 --- /dev/null +++ b/sysdeps/ieee754/flt-32/w_expf.c @@ -0,0 +1 @@ +/* Not needed. */ |