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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.
* 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.
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This patch adds the "_compat" suffix to the wrappers of the function
exp, which use _LIB_VERSION / matherr / __kernel_standard
functionality.
Tested for powerpc64le, s390, and x86_64.
* math/Makefile (libm-calls): Move w_exp...
(libm-compat-calls-auto): Here.
* math/w_expl.c: Add suffix "_compat" to filename.
* sysdeps/ia64/fpu/w_expl.c: Likewise.
* sysdeps/ia64/fpu/w_expf.c: Likewise.
* sysdeps/ia64/fpu/w_exp.c: Likewise.
* sysdeps/ieee754/dbl-64/w_exp.c: Likewise.
* sysdeps/ieee754/flt-32/w_expf.c: Likewise.
* sysdeps/ieee754/ldbl-128/w_expl.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/w_expl.c: Likewise.
* sysdeps/ieee754/ldbl-96/w_expl.c: Likewise.
* math/w_expl_compat.c: New file, copied from above.
* sysdeps/ia64/fpu/w_exp_compat.c: Likewise.
* sysdeps/ia64/fpu/w_expf_compat.c: Likewise.
* sysdeps/ia64/fpu/w_expl_compat.c: Likewise.
* sysdeps/ieee754/dbl-64/w_exp_compat.c: Likewise.
* sysdeps/ieee754/flt-32/w_expf_compat.c: Likewise.
* sysdeps/ieee754/ldbl-128/w_expl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-128ibm/w_expl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-96/w_expl_compat.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/w_expl.c: Add suffix "_compat"
to filename.
* sysdeps/ieee754/ldbl-opt/w_exp.c: Likewise.
* sysdeps/ieee754/ldbl-64-128/w_expl_compat.c: New file,
copied from above and adjusted for the new filenames.
* sysdeps/ieee754/ldbl-opt/w_exp_compat.c: Likewise.
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to use standard C99 macros. This has no effect on generated code.
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Add __exp*_finite optimizations and rewrite some wrappers.
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2008-02-11 Joseph Myers <joseph@codesourcery.com>
[BZ #3406]
* sysdeps/ieee754/flt-32/w_expf.c (o_threshold): Correct value.
* math/libm-test.inc (exp_test): Test 88.72269439697265625.
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