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Diffstat (limited to 'sysdeps/m68k/fpu/__math.h')
-rw-r--r--sysdeps/m68k/fpu/__math.h364
1 files changed, 280 insertions, 84 deletions
diff --git a/sysdeps/m68k/fpu/__math.h b/sysdeps/m68k/fpu/__math.h
index e357364fb7..f59c168e79 100644
--- a/sysdeps/m68k/fpu/__math.h
+++ b/sysdeps/m68k/fpu/__math.h
@@ -19,8 +19,6 @@ Cambridge, MA 02139, USA. */
#ifdef __GNUC__
#include <sys/cdefs.h>
-#define __need_Emath
-#include <errno.h>
#ifdef __NO_MATH_INLINES
/* This is used when defining the functions themselves. Define them with
@@ -34,59 +32,87 @@ Cambridge, MA 02139, USA. */
#define __MATH_INLINES 1
#endif
-#define __inline_mathop2(func, op) \
- __m81_inline double \
- __m81_u(func)(double __mathop_x) __attribute__((__const__)); \
- __m81_inline double \
- __m81_u(func)(double __mathop_x) \
+/* Define a const math function. */
+#define __m81_defun(rettype, func, args) \
+ __m81_inline rettype \
+ __m81_u(func) args __attribute__((__const__)); \
+ __m81_inline rettype \
+ __m81_u(func) args
+
+#define __inline_mathop(func, op) \
+ __m81_defun (double, func, (double __mathop_x)) \
{ \
double __result; \
__asm("f" __STRING(op) "%.x %1, %0" : "=f" (__result) : "f" (__mathop_x));\
return __result; \
}
-#define __inline_mathop(op) __inline_mathop2(op, op)
-
-__inline_mathop(acos)
-__inline_mathop(asin)
-__inline_mathop(atan)
-__inline_mathop(cos)
-__inline_mathop(sin)
-__inline_mathop(tan)
-__inline_mathop(cosh)
-__inline_mathop(sinh)
-__inline_mathop(tanh)
-__inline_mathop2(exp, etox)
-__inline_mathop2(fabs, abs)
-__inline_mathop(log10)
-__inline_mathop2(log, logn)
-__inline_mathop(sqrt)
-
-__inline_mathop2(__rint, int)
-__inline_mathop2(__expm1, etoxm1)
-
-#ifdef __USE_MISC
-#ifndef __NO_MATH_INLINES
-__inline_mathop2(rint, int)
-__inline_mathop2(expm1, etoxm1)
-#endif
-__inline_mathop2(log1p, lognp1)
-__inline_mathop(atanh)
-#endif
-__m81_inline double
-__m81_u(__drem)(double __x, double __y) __attribute__ ((__const__));
-__m81_inline double
-__m81_u(__drem)(double __x, double __y)
+#define __inline_mathopf(func, op) \
+ __m81_defun (float, func, (float __mathop_x)) \
+ { \
+ float __result; \
+ __asm("f" __STRING(op) "%.x %1, %0" : "=f" (__result) : "f" (__mathop_x));\
+ return __result; \
+ }
+
+/* ieee style elementary functions */
+__inline_mathop(__ieee754_acos, acos)
+__inline_mathop(__ieee754_asin, asin)
+__inline_mathop(__ieee754_cosh, cosh)
+__inline_mathop(__ieee754_sinh, sinh)
+__inline_mathop(__ieee754_exp, etox)
+__inline_mathop(__ieee754_log10, log10)
+__inline_mathop(__ieee754_log, logn)
+__inline_mathop(__ieee754_sqrt, sqrt)
+__inline_mathop(__ieee754_atanh, atanh)
+
+/* ieee style elementary float functions */
+__inline_mathopf(__ieee754_acosf, acos)
+__inline_mathopf(__ieee754_asinf, asin)
+__inline_mathopf(__ieee754_coshf, cosh)
+__inline_mathopf(__ieee754_sinhf, sinh)
+__inline_mathopf(__ieee754_expf, etox)
+__inline_mathopf(__ieee754_log10f, log10)
+__inline_mathopf(__ieee754_logf, logn)
+__inline_mathopf(__ieee754_sqrtf, sqrt)
+__inline_mathopf(__ieee754_atanhf, atan)
+
+__inline_mathop(__atan, atan)
+__inline_mathop(__cos, cos)
+__inline_mathop(__sin, sin)
+__inline_mathop(__tan, tan)
+__inline_mathop(__tanh, tanh)
+__inline_mathop(__fabs, abs)
+__inline_mathop(__sqrt, sqrt)
+
+__inline_mathop(__rint, int)
+__inline_mathop(__expm1, etoxm1)
+__inline_mathop(__log1p, lognp1)
+__inline_mathop(__logb, log2)
+__inline_mathop(__significand, getman)
+
+__inline_mathopf(__atanf, atan)
+__inline_mathopf(__cosf, cos)
+__inline_mathopf(__sinf, sin)
+__inline_mathopf(__tanf, tan)
+__inline_mathopf(__tanhf, tanh)
+__inline_mathopf(__fabsf, abs)
+__inline_mathopf(__sqrtf, sqrt)
+
+__inline_mathopf(__rintf, int)
+__inline_mathopf(__expm1f, etoxm1)
+__inline_mathopf(__log1pf, lognp1)
+__inline_mathopf(__logbf, log2)
+__inline_mathopf(__significandf, getman)
+
+__m81_defun (double, __ieee754_remainder, (double __x, double __y))
{
double __result;
__asm("frem%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
return __result;
}
-__m81_inline double
-__m81_u(ldexp)(double __x, int __e) __attribute__ ((__const__));
-__m81_inline double
-__m81_u(ldexp)(double __x, int __e)
+__m81_defun (double, __ldexp, (double __x, int __e))
{
double __result;
double __double_e = (double) __e;
@@ -94,10 +120,7 @@ __m81_u(ldexp)(double __x, int __e)
return __result;
}
-__m81_inline double
-__m81_u(fmod)(double __x, double __y) __attribute__ ((__const__));
-__m81_inline double
-__m81_u(fmod)(double __x, double __y)
+__m81_defun (double, __ieee754_fmod, (double __x, double __y))
{
double __result;
__asm("fmod%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
@@ -105,7 +128,7 @@ __m81_u(fmod)(double __x, double __y)
}
__m81_inline double
-__m81_u(frexp)(double __value, int *__expptr)
+__m81_u(__frexp)(double __value, int *__expptr)
{
double __mantissa, __exponent;
__asm("fgetexp%.x %1, %0" : "=f" (__exponent) : "f" (__value));
@@ -114,10 +137,7 @@ __m81_u(frexp)(double __value, int *__expptr)
return __mantissa;
}
-__m81_inline double
-__m81_u(floor)(double __x) __attribute__ ((__const__));
-__m81_inline double
-__m81_u(floor)(double __x)
+__m81_defun (double, __floor, (double __x))
{
double __result;
unsigned long int __ctrl_reg;
@@ -133,16 +153,13 @@ __m81_u(floor)(double __x)
return __result;
}
-__m81_inline double
-__m81_u(pow)(double __x, double __y) __attribute__ ((__const__));
-__m81_inline double
-__m81_u(pow)(double __x, double __y)
+__m81_defun (double, __ieee754_pow, (double __x, double __y))
{
double __result;
if (__x == 0.0)
{
if (__y <= 0.0)
- __result = __infnan (EDOM);
+ __result = 0.0 / 0.0;
else
__result = 0.0;
}
@@ -162,22 +179,19 @@ __m81_u(pow)(double __x, double __y)
if (__y == __temp)
{
int i = (int) __y;
- __result = __m81_u (exp) (__y * __m81_u (log) (-__x));
+ __result = __m81_u(__ieee754_exp)(__y * __m81_u(__ieee754_log)(-__x));
if (i & 1)
__result = -__result;
}
else
- __result = __infnan (EDOM);
+ __result = 0.0 / 0.0;
}
else
- __result = __m81_u(exp)(__y * __m81_u(log)(__x));
+ __result = __m81_u(__ieee754_exp)(__y * __m81_u(__ieee754_log)(__x));
return __result;
}
-__m81_inline double
-__m81_u(ceil)(double __x) __attribute__ ((__const__));
-__m81_inline double
-__m81_u(ceil)(double __x)
+__m81_defun (double, __ceil, (double __x))
{
double __result;
unsigned long int __ctrl_reg;
@@ -194,30 +208,25 @@ __m81_u(ceil)(double __x)
}
__m81_inline double
-__m81_u(modf)(double __value, double *__iptr)
+__m81_u(__modf)(double __value, double *__iptr)
{
- double __modf_int = __m81_u(floor)(__value);
+ double __modf_int;
+ __asm ("fintrz%.x %1, %0" : "=f" (__modf_int) : "f" (__value));
*__iptr = __modf_int;
return __value - __modf_int;
}
-__m81_inline int
-__m81_u(__isinf)(double __value) __attribute__ ((__const__));
-__m81_inline int
-__m81_u(__isinf)(double __value)
+__m81_defun (int, __isinf, (double __value))
{
/* There is no branch-condition for infinity,
so we must extract and examine the condition codes manually. */
unsigned long int __fpsr;
__asm("ftst%.x %1\n"
"fmove%.l %/fpsr, %0" : "=dm" (__fpsr) : "f" (__value));
- return (__fpsr & (2 << (3 * 8))) ? (__value < 0 ? -1 : 1) : 0;
+ return (__fpsr & (2 << 24)) ? (__fpsr & (8 << 24) ? -1 : 1) : 0;
}
-__m81_inline int
-__m81_u(__isnan)(double __value) __attribute__ ((__const__));
-__m81_inline int
-__m81_u(__isnan)(double __value)
+__m81_defun (int, __isnan, (double __value))
{
char __result;
__asm("ftst%.x %1\n"
@@ -225,23 +234,210 @@ __m81_u(__isnan)(double __value)
return __result;
}
-__m81_inline int
-__m81_u(__isinfl)(long double __value) __attribute__ ((__const__));
-__m81_inline int
-__m81_u(__isinfl)(long double __value)
+__m81_defun (int, __finite, (double __value))
+{
+ /* There is no branch-condition for infinity, so we must extract and
+ examine the condition codes manually. */
+ unsigned long int __fpsr;
+ __asm ("ftst%.x %1\n"
+ "fmove%.l %/fpsr, %0" : "=dm" (__fpsr) : "f" (__value));
+ return (__fpsr & (3 << 24)) == 0;
+}
+
+__m81_defun (int, __ilogb, (double __x))
+{
+ double __result;
+ __asm("fgetexp%.x %1, %0" : "=f" (__result) : "f" (__x));
+ return (int) __result;
+}
+
+__m81_defun (double, __ieee754_scalb, (double __x, double __n))
+{
+ double __result;
+ __asm ("fscale%.x %1, %0" : "=f" (__result) : "f" (__n), "0" (__x));
+ return __result;
+}
+
+__m81_defun (double, __scalbn, (double __x, int __n))
+{
+ double __result;
+ double __double_n = (double) __n;
+ __asm ("fscale%.x %1, %0" : "=f" (__result) : "f" (__double_n), "0" (__x));
+ return __result;
+}
+
+__m81_defun (float, __ieee754_remainderf, (float __x, float __y))
+{
+ float __result;
+ __asm("frem%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
+ return __result;
+}
+
+__m81_defun (float, __ldexpf, (float __x, int __e))
+{
+ float __result;
+ float __float_e = (float) __e;
+ __asm("fscale%.x %1, %0" : "=f" (__result) : "f" (__float_e), "0" (__x));
+ return __result;
+}
+
+__m81_defun (float, __ieee754_fmodf, (float __x, float __y))
+{
+ float __result;
+ __asm("fmod%.x %1, %0" : "=f" (__result) : "f" (__y), "0" (__x));
+ return __result;
+}
+
+__m81_inline float
+__m81_u(__frexpf)(float __value, int *__expptr)
+{
+ float __mantissa, __exponent;
+ __asm("fgetexp%.x %1, %0" : "=f" (__exponent) : "f" (__value));
+ __asm("fgetman%.x %1, %0" : "=f" (__mantissa) : "f" (__value));
+ *__expptr = (int) __exponent;
+ return __mantissa;
+}
+
+__m81_defun (float, __floorf, (float __x))
+{
+ float __result;
+ unsigned long int __ctrl_reg;
+ __asm __volatile__ ("fmove%.l %!, %0" : "=dm" (__ctrl_reg));
+ /* Set rounding towards negative infinity. */
+ __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs. */
+ : "dmi" ((__ctrl_reg & ~0x10) | 0x20));
+ /* Convert X to an integer, using -Inf rounding. */
+ __asm __volatile__ ("fint%.x %1, %0" : "=f" (__result) : "f" (__x));
+ /* Restore the previous rounding mode. */
+ __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs. */
+ : "dmi" (__ctrl_reg));
+ return __result;
+}
+
+__m81_defun (float, __ieee754_powf, (float __x, float __y))
+{
+ float __result;
+ if (__x == 0.0f)
+ {
+ if (__y <= 0.0f)
+ __result = 0.0f / 0.0f;
+ else
+ __result = 0.0f;
+ }
+ else if (__y == 0.0f || __x == 1.0f)
+ __result = 1.0;
+ else if (__y == 1.0f)
+ __result = __x;
+ else if (__y == 2.0f)
+ __result = __x * __x;
+ else if (__x == 10.0f)
+ __asm("ftentox%.x %1, %0" : "=f" (__result) : "f" (__y));
+ else if (__x == 2.0f)
+ __asm("ftwotox%.x %1, %0" : "=f" (__result) : "f" (__y));
+ else if (__x < 0.0f)
+ {
+ float __temp = __m81_u(__rintf)(__y);
+ if (__y == __temp)
+ {
+ int i = (int) __y;
+ __result = __m81_u(__ieee754_expf)(__y * __m81_u(__ieee754_logf)(-__x));
+ if (i & 1)
+ __result = -__result;
+ }
+ else
+ __result = 0.0f / 0.0f;
+ }
+ else
+ __result = __m81_u(__ieee754_expf)(__y * __m81_u(__ieee754_logf)(__x));
+ return __result;
+}
+
+__m81_defun (float, __ceilf, (float __x))
+{
+ float __result;
+ unsigned long int __ctrl_reg;
+ __asm __volatile__ ("fmove%.l %!, %0" : "=dm" (__ctrl_reg));
+ /* Set rounding towards positive infinity. */
+ __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs. */
+ : "dmi" (__ctrl_reg | 0x30));
+ /* Convert X to an integer, using +Inf rounding. */
+ __asm __volatile__ ("fint%.x %1, %0" : "=f" (__result) : "f" (__x));
+ /* Restore the previous rounding mode. */
+ __asm __volatile__ ("fmove%.l %0, %!" : /* No outputs. */
+ : "dmi" (__ctrl_reg));
+ return __result;
+}
+
+__m81_inline float
+__m81_u(__modff)(float __value, float *__iptr)
+{
+ float __modf_int;
+ __asm ("fintrz%.x %1, %0" : "=f" (__modf_int) : "f" (__value));
+ *__iptr = __modf_int;
+ return __value - __modf_int;
+}
+
+__m81_defun (int, __isinff, (float __value))
+{
+ /* There is no branch-condition for infinity,
+ so we must extract and examine the condition codes manually. */
+ unsigned long int __fpsr;
+ __asm("ftst%.x %1\n"
+ "fmove%.l %/fpsr, %0" : "=dm" (__fpsr) : "f" (__value));
+ return (__fpsr & (2 << 24)) ? (__fpsr & (8 << 24) ? -1 : 1) : 0;
+}
+
+__m81_defun (int, __isnanf, (float __value))
+{
+ char __result;
+ __asm("ftst%.x %1\n"
+ "fsun %0" : "=dm" (__result) : "f" (__value));
+ return __result;
+}
+
+__m81_defun (int, __finitef, (float __value))
+{
+ /* There is no branch-condition for infinity, so we must extract and
+ examine the condition codes manually. */
+ unsigned long int __fpsr;
+ __asm ("ftst%.x %1\n"
+ "fmove%.l %/fpsr, %0" : "=dm" (__fpsr) : "f" (__value));
+ return (__fpsr & (3 << 24)) == 0;
+}
+
+__m81_defun (int, __ilogbf, (float __x))
+{
+ float __result;
+ __asm("fgetexp%.x %1, %0" : "=f" (__result) : "f" (__x));
+ return (int) __result;
+}
+
+__m81_defun (float, __ieee754_scalbf, (float __x, float __n))
+{
+ float __result;
+ __asm ("fscale%.x %1, %0" : "=f" (__result) : "f" (__n), "0" (__x));
+ return __result;
+}
+
+__m81_defun (float, __scalbnf, (float __x, int __n))
+{
+ float __result;
+ float __float_n = (float) __n;
+ __asm ("fscale%.x %1, %0" : "=f" (__result) : "f" (__float_n), "0" (__x));
+ return __result;
+}
+
+__m81_defun (int, __isinfl, (long double __value))
{
/* There is no branch-condition for infinity,
so we must extract and examine the condition codes manually. */
unsigned long int __fpsr;
__asm("ftst%.x %1\n"
"fmove%.l %/fpsr, %0" : "=dm" (__fpsr) : "f" (__value));
- return (__fpsr & (2 << (3 * 8))) ? (__value < 0 ? -1 : 1) : 0;
+ return (__fpsr & (2 << 24)) ? (__fpsr & (8 << 24) ? -1 : 1) : 0;
}
-__m81_inline int
-__m81_u(__isnanl)(long double __value) __attribute__ ((__const__));
-__m81_inline int
-__m81_u(__isnanl)(long double __value)
+__m81_defun (int, __isnanl, (long double __value))
{
char __result;
__asm("ftst%.x %1\n"
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