sh3eb: only retain the softfp option of the MIPS fenv.h

include/openlibm_fenv_sh3eb.h

@@ -40,21 +40,13 @@ typedef	uint32_t	fenv_t;
 typedef	uint32_t	fexcept_t;
 
 /* Exception flags */
-#ifdef __mips_soft_float
 #define	_FPUSW_SHIFT	16
 #define	FE_INVALID	0x0001
 #define	FE_DIVBYZERO	0x0002
 #define	FE_OVERFLOW	0x0004
 #define	FE_UNDERFLOW	0x0008
 #define	FE_INEXACT	0x0010
-#else
+
-#define	_FCSR_CAUSE_SHIFT	10
-#define	FE_INVALID	0x0040
-#define	FE_DIVBYZERO	0x0020
-#define	FE_OVERFLOW	0x0010
-#define	FE_UNDERFLOW	0x0008
-#define	FE_INEXACT	0x0004
-#endif
 #define	FE_ALL_EXCEPT	(FE_DIVBYZERO | FE_INEXACT | \
 			 FE_INVALID | FE_OVERFLOW | FE_UNDERFLOW)
 
@@ -75,12 +67,6 @@ extern const fenv_t	__fe_dfl_env;
 #define	_ENABLE_SHIFT	5
 #define	_ENABLE_MASK	(FE_ALL_EXCEPT << _ENABLE_SHIFT)
 
-#ifndef __mips_soft_float
-#define	__cfc1(__fcsr)	__asm __volatile("cfc1 %0, $31" : "=r" (__fcsr))
-#define	__ctc1(__fcsr)	__asm __volatile("ctc1 %0, $31" :: "r" (__fcsr))
-#endif
-
-#ifdef __mips_soft_float
 int feclearexcept(int __excepts);
 int fegetexceptflag(fexcept_t *__flagp, int __excepts);
 int fesetexceptflag(const fexcept_t *__flagp, int __excepts);
@@ -92,184 +78,14 @@ int fegetenv(fenv_t *__envp);
 int feholdexcept(fenv_t *__envp);
 int fesetenv(const fenv_t *__envp);
 int feupdateenv(const fenv_t *__envp);
-#else
-__fenv_static inline int
-feclearexcept(int __excepts)
-{
-	fexcept_t fcsr;
-
-	__excepts &= FE_ALL_EXCEPT;
-	__cfc1(fcsr);
-	fcsr &= ~(__excepts | (__excepts << _FCSR_CAUSE_SHIFT));
-	__ctc1(fcsr);
-
-	return (0);
-}
-
-__fenv_static inline int
-fegetexceptflag(fexcept_t *__flagp, int __excepts)
-{
-	fexcept_t fcsr;
-
-	__excepts &= FE_ALL_EXCEPT;
-	__cfc1(fcsr);
-	*__flagp = fcsr & __excepts;
-
-	return (0);
-}
-
-__fenv_static inline int
-fesetexceptflag(const fexcept_t *__flagp, int __excepts)
-{
-	fexcept_t fcsr;
-
-	__excepts &= FE_ALL_EXCEPT;
-	__cfc1(fcsr);
-	fcsr &= ~__excepts;
-	fcsr |= *__flagp & __excepts;
-	__ctc1(fcsr);
-
-	return (0);
-}
-
-__fenv_static inline int
-feraiseexcept(int __excepts)
-{
-	fexcept_t fcsr;
-
-	__excepts &= FE_ALL_EXCEPT;
-	__cfc1(fcsr);
-	fcsr |= __excepts | (__excepts << _FCSR_CAUSE_SHIFT);
-	__ctc1(fcsr);
-
-	return (0);
-}
-
-__fenv_static inline int
-fetestexcept(int __excepts)
-{
-	fexcept_t fcsr;
-
-	__excepts &= FE_ALL_EXCEPT;
-	__cfc1(fcsr);
-
-	return (fcsr & __excepts);
-}
-
-__fenv_static inline int
-fegetround(void)
-{
-	fexcept_t fcsr;
-
-	__cfc1(fcsr);
-
-	return (fcsr & _ROUND_MASK);
-}
-
-__fenv_static inline int
-fesetround(int __round)
-{
-	fexcept_t fcsr;
-
-	if (__round & ~_ROUND_MASK)
-		return (-1);
-
-	__cfc1(fcsr);
-	fcsr &= ~_ROUND_MASK;
-	fcsr |= __round;
-	__ctc1(fcsr);
-
-	return (0);
-}
-
-__fenv_static inline int
-fegetenv(fenv_t *__envp)
-{
-
-	__cfc1(*__envp);
-
-	return (0);
-}
-
-__fenv_static inline int
-feholdexcept(fenv_t *__envp)
-{
-	fexcept_t fcsr;
-
-	__cfc1(fcsr);
-	*__envp = fcsr;
-	fcsr &= ~(FE_ALL_EXCEPT | _ENABLE_MASK);
-	__ctc1(fcsr);
-
-	return (0);
-}
-
-__fenv_static inline int
-fesetenv(const fenv_t *__envp)
-{
-
-	__ctc1(*__envp);
-
-	return (0);
-}
-
-__fenv_static inline int
-feupdateenv(const fenv_t *__envp)
-{
-	fexcept_t fcsr;
-
-	__cfc1(fcsr);
-	fesetenv(__envp);
-	feraiseexcept(fcsr);
-
-	return (0);
-}
-#endif /* !__mips_soft_float */
 
 #if __BSD_VISIBLE
 
 /* We currently provide no external definitions of the functions below. */
 
-#ifdef __mips_soft_float
 int feenableexcept(int __mask);
 int fedisableexcept(int __mask);
 int fegetexcept(void);
-#else
-static inline int
-feenableexcept(int __mask)
-{
-	fenv_t __old_fcsr, __new_fcsr;
-
-	__cfc1(__old_fcsr);
-	__new_fcsr = __old_fcsr | (__mask & FE_ALL_EXCEPT) << _ENABLE_SHIFT;
-	__ctc1(__new_fcsr);
-
-	return ((__old_fcsr >> _ENABLE_SHIFT) & FE_ALL_EXCEPT);
-}
-
-static inline int
-fedisableexcept(int __mask)
-{
-	fenv_t __old_fcsr, __new_fcsr;
-
-	__cfc1(__old_fcsr);
-	__new_fcsr = __old_fcsr & ~((__mask & FE_ALL_EXCEPT) << _ENABLE_SHIFT);
-	__ctc1(__new_fcsr);
-
-	return ((__old_fcsr >> _ENABLE_SHIFT) & FE_ALL_EXCEPT);
-}
-
-static inline int
-fegetexcept(void)
-{
-	fexcept_t fcsr;
-
-	__cfc1(fcsr);
-
-	return ((fcsr & _ENABLE_MASK) >> _ENABLE_SHIFT);
-}
-
-#endif /* !__mips_soft_float */
 
 #endif /* __BSD_VISIBLE */
 

sh3eb/fenv.c

@@ -39,7 +39,6 @@
  */
 const fenv_t __fe_dfl_env = 0;
 
-#ifdef __mips_soft_float
 #define __set_env(env, flags, mask, rnd) env = ((flags)                 \
                                                 | (mask)<<_FPUSW_SHIFT  \
                                                 | (rnd) << 24)
@@ -48,7 +47,6 @@ const fenv_t __fe_dfl_env = 0;
                                                 & FE_ALL_EXCEPT)
 #define __env_round(env)                (((env) >> 24) & _ROUND_MASK)
 #include "fenv-softfloat.h"
-#endif
 
 extern inline int feclearexcept(int __excepts);
 extern inline int fegetexceptflag(fexcept_t *__flagp, int __excepts);