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-rw-r--r--sysdeps/m68k/fpu/__math.h76
1 files changed, 76 insertions, 0 deletions
diff --git a/sysdeps/m68k/fpu/__math.h b/sysdeps/m68k/fpu/__math.h
index 68a6d90e32..92487f9b04 100644
--- a/sysdeps/m68k/fpu/__math.h
+++ b/sysdeps/m68k/fpu/__math.h
@@ -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. */