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Implement optimized libc_fe*() math routines on sparc.

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* sysdeps/sparc/fpu/math_private.h: New file.
This commit is contained in:
David S. Miller 2012-03-16 03:05:49 -07:00
parent e6a62e18fd
commit dd7f470327
2 changed files with 72 additions and 0 deletions
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ChangeLog
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2012-03-16 David S. Miller <davem@davemloft.net>
* sysdeps/sparc/fpu/math_private.h: New file.
2012-03-15 David S. Miller <davem@davemloft.net>
* sysdeps/sparc/sparc32/sparcv9/fpu/multiarch/s_fma-vis3.S: New file.

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sysdeps/sparc/fpu/math_private.h Normal file
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#ifndef SPARC_MATH_PRIVATE_H
#define SPARC_MATH_PRIVATE_H 1
#include_next <math_private.h>
#include <fenv.h>
#undef libc_feholdexcept
#define libc_feholdexcept(e) \
do { \
fenv_t etmp; \
__fenv_stfsr(etmp); \
*(e) = etmp; \
etmp = etmp & ~((0x1f << 23) | FE_ALL_EXCEPT); \
__fenv_ldfsr(etmp); \
} while (0)
#undef libc_feholdexceptf
#define libc_feholdexceptf(e) libc_feholdexcept (e)
#undef libc_feholdexceptl
#define libc_feholdexceptl(e) libc_feholdexcept (e)
#undef libc_feholdexcept_setround
#define libc_feholdexcept_setround(e, r) \
do { \
fenv_t etmp; \
__fenv_stfsr(etmp); \
*(e) = etmp; \
etmp = etmp & ~((0x1f << 23) | FE_ALL_EXCEPT); \
etmp = (etmp & ~__FE_ROUND_MASK) | (r); \
__fenv_ldfsr(etmp); \
} while (0)
#undef libc_feholdexcept_setroundf
#define libc_feholdexcept_setroundf(e, r) libc_feholdexcept_setround (e, r)
#undef libc_feholdexcept_setroundl
#define libc_feholdexcept_setroundl(e, r) libc_feholdexcept_setround (e, r)
#undef libc_fetestexcept
#define libc_fetestexcept(e) \
({ \
fenv_t etmp; \
__fenv_stfsr(etmp); \
etmp & (e) & FE_ALL_EXCEPT; })
#undef libc_fetestexceptf
#define libc_fetestexceptf(e) libc_fetestexcept (e)
#undef libc_fetestexceptl
#define libc_fetestexceptl(e) libc_fetestexcept (e)
#undef libc_fesetenv
#define libc_fesetenv(e) \
__fenv_ldfsr(*e)
#undef libc_fesetenvf
#define libc_fesetenvf(e) libc_fesetenv (e)
#undef libc_fesetenvl
#define libc_fesetenvl(e) libc_fesetenv (e)
#undef libc_feupdateenv
#define libc_feupdateenv(e) \
do { \
fenv_t etmp; \
__fenv_stfsr(etmp); \
__fenv_ldfsr(*e); \
__feraiseexcept (etmp & FE_ALL_EXCEPT); \
} while (0)
#undef libc_feupdateenvf
#define libc_feupdateenvf(e) libc_feupdateenv (e)
#undef libc_feupdateenvl
#define libc_feupdateenvl(e) libc_feupdateenv (e)
#endif /* SPARC_MATH_PRIVATE_H */