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Define optimized versions of isgreater, isgreaterequal, isless,

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islessequal, islessgreater, and isunordered.
Add inlined sincos{,l,f}.
This commit is contained in:
Ulrich Drepper 1997-04-21 11:36:45 +00:00
parent c72aa4a26a
commit ecc1637a09
1 changed files with 76 additions and 0 deletions
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76
sysdeps/m68k/fpu/__math.h
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@ -274,6 +274,14 @@ __m81_defun (float_type, __CONCAT(__nearbyint,s), (float_type __x)) \
__asm __volatile__ ("fmove%.l %0, %!" : /* No outputs. */ \
: "dmi" (__ctrl_reg)); \
return __result; \
} \
\
__m81_inline void \
__m81_u(__CONCAT(__sincos,s))(float_type __x, float_type *__sinx, \
float_type *__cosx) \
{ \
__asm ("fsincos%.x %2,%1:%0" \
: "=f" (*__sinx), "=f" (*__cosx) : "f" (__x)); \
}
/* This defines the three variants of the inline functions. */
@ -324,6 +332,10 @@ __inline_forward_c(int,ilogb, (double __value), (__value))
#ifdef __USE_ISOC9X
__inline_forward_c(double,nearbyint, (double __value), (__value))
#endif
#ifdef __USE_GNU
__inline_forward(void,sincos, (double __x, double *__sinx, double *__cosx),
(__x, __sinx, __cosx))
#endif
#if defined __USE_MISC || defined __USE_ISOC9X
@ -341,6 +353,10 @@ __inline_forward_c(int,ilogbf, (float __value), (__value))
#ifdef __USE_ISOC9X
__inline_forward_c(float,nearbyintf, (float __value), (__value))
#endif
#ifdef __USE_GNU
__inline_forward(void,sincosf, (float __x, float *__sinx, float *__cosx),
(__x, __sinx, __cosx))
#endif
__inline_forward(long double,frexpl, (long double __value, int *__expptr),
(__value, __expptr))
@ -358,12 +374,72 @@ __inline_forward_c(int,ilogbl, (long double __value), (__value))
__inline_forward_c(long double,nearbyintl, (long double __value), (__value))
__inline_forward_c(long int,rinttol, (long double __value), (__value))
#endif
#ifdef __USE_GNU
__inline_forward(void,sincosl,
(long double __x, long double *__sinx, long double *__cosx),
(__x, __sinx, __cosx))
#endif
#endif /* Use misc or ISO C9X */
#undef __inline_forward
#undef __inline_forward_c
#ifdef __USE_ISOC9X
/* ISO C 9X defines some macros to perform unordered comparisons. The
m68k FPU supports this with special opcodes and we should use them.
These must not be inline functions since we have to be able to handle
all floating-point types. */
#undef isgreater
#define isgreater(x, y) \
__extension__ \
({ char __result; \
__asm__ ("fcmp %2,%1; fsogt %0" \
: "=dm" (__result) : "f" (x), "f" (y)); \
(int) __result; })
#undef isgreaterequal
#define isgreaterequal(x, y) \
__extension__ \
({ char __result; \
__asm__ ("fcmp %2,%1; fsoge %0" \
: "=dm" (__result) : "f" (x), "f" (y)); \
(int) __result; })
#undef isless
#define isless(x, y) \
__extension__ \
({ char __result; \
__asm__ ("fcmp %2,%1; fsolt %0" \
: "=dm" (__result) : "f" (x), "f" (y)); \
(int) __result; })
#undef islessequal
#define islessequal(x, y) \
__extension__ \
({ char __result; \
__asm__ ("fcmp %2,%1; fsole %0" \
: "=dm" (__result) : "f" (x), "f" (y)); \
(int) __result; })
#undef islessgreater
#define islessgreater(x, y) \
__extension__ \
({ char __result; \
__asm__ ("fcmp %2,%1; fsogl %0" \
: "=dm" (__result) : "f" (x), "f" (y)); \
(int) __result; })
#undef isunordered
#define isunordered(x, y) \
__extension__ \
({ char __result; \
__asm__ ("fcmp %2,%1; fsun %0" \
: "=dm" (__result) : "f" (x), "f" (y)); \
(int) __result; })
#endif
#endif /* !__NO_MATH_INLINES && __OPTIMIZE__ */
#endif /* GCC. */