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119 lines
2.8 KiB
C
119 lines
2.8 KiB
C
#ifndef FENV_PRIVATE_H
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#define FENV_PRIVATE_H 1
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#include <fenv.h>
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static __always_inline void
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libc_feholdexcept (fenv_t *e)
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{
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fenv_t etmp;
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__fenv_stfsr(etmp);
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*(e) = etmp;
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etmp = etmp & ~((0x1f << 23) | FE_ALL_EXCEPT);
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__fenv_ldfsr(etmp);
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}
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static __always_inline void
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libc_fesetround (int r)
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{
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fenv_t etmp;
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__fenv_stfsr(etmp);
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etmp = (etmp & ~__FE_ROUND_MASK) | (r);
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__fenv_ldfsr(etmp);
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}
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static __always_inline void
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libc_feholdexcept_setround (fenv_t *e, int r)
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{
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fenv_t etmp;
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__fenv_stfsr(etmp);
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*(e) = etmp;
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etmp = etmp & ~((0x1f << 23) | FE_ALL_EXCEPT);
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etmp = (etmp & ~__FE_ROUND_MASK) | (r);
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__fenv_ldfsr(etmp);
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}
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static __always_inline int
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libc_fetestexcept (int e)
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{
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fenv_t etmp;
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__fenv_stfsr(etmp);
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return etmp & (e) & FE_ALL_EXCEPT;
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}
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static __always_inline void
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libc_fesetenv (fenv_t *e)
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{
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__fenv_ldfsr(*e);
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}
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static __always_inline int
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libc_feupdateenv_test (fenv_t *e, int ex)
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{
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fenv_t etmp;
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__fenv_stfsr(etmp);
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etmp &= FE_ALL_EXCEPT;
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__fenv_ldfsr(*e);
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__feraiseexcept (etmp);
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return etmp & ex;
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}
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static __always_inline void
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libc_feupdateenv (fenv_t *e)
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{
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libc_feupdateenv_test (e, 0);
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}
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static __always_inline void
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libc_feholdsetround (fenv_t *e, int r)
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{
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fenv_t etmp;
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__fenv_stfsr(etmp);
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*(e) = etmp;
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etmp = (etmp & ~__FE_ROUND_MASK) | (r);
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__fenv_ldfsr(etmp);
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}
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static __always_inline void
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libc_feresetround (fenv_t *e)
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{
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fenv_t etmp;
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__fenv_stfsr(etmp);
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etmp = (etmp & ~__FE_ROUND_MASK) | (*e & __FE_ROUND_MASK);
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__fenv_ldfsr(etmp);
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}
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#define libc_feholdexceptf libc_feholdexcept
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#define libc_fesetroundf libc_fesetround
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#define libc_feholdexcept_setroundf libc_feholdexcept_setround
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#define libc_fetestexceptf libc_fetestexcept
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#define libc_fesetenvf libc_fesetenv
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#define libc_feupdateenv_testf libc_feupdateenv_test
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#define libc_feupdateenvf libc_feupdateenv
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#define libc_feholdsetroundf libc_feholdsetround
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#define libc_feresetroundf libc_feresetround
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#define libc_feholdexcept libc_feholdexcept
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#define libc_fesetround libc_fesetround
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#define libc_feholdexcept_setround libc_feholdexcept_setround
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#define libc_fetestexcept libc_fetestexcept
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#define libc_fesetenv libc_fesetenv
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#define libc_feupdateenv_test libc_feupdateenv_test
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#define libc_feupdateenv libc_feupdateenv
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#define libc_feholdsetround libc_feholdsetround
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#define libc_feresetround libc_feresetround
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#define libc_feholdexceptl libc_feholdexcept
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#define libc_fesetroundl libc_fesetround
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#define libc_feholdexcept_setroundl libc_feholdexcept_setround
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#define libc_fetestexceptl libc_fetestexcept
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#define libc_fesetenvl libc_fesetenv
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#define libc_feupdateenv_testl libc_feupdateenv_test
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#define libc_feupdateenvl libc_feupdateenv
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#define libc_feholdsetroundl libc_feholdsetround
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#define libc_feresetroundl libc_feresetround
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#endif /* FENV_PRIVATE_H */
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