diff options
Diffstat (limited to 'lib/msun/src/math_private.h')
| -rw-r--r-- | lib/msun/src/math_private.h | 66 |
1 files changed, 53 insertions, 13 deletions
diff --git a/lib/msun/src/math_private.h b/lib/msun/src/math_private.h index 79280e3..5662df0 100644 --- a/lib/msun/src/math_private.h +++ b/lib/msun/src/math_private.h @@ -207,6 +207,17 @@ do { \ (d) = se_u.e; \ } while (0) +#ifdef __i386__ +/* Long double constants are broken on i386. */ +#define LD80C(m, ex, v) { \ + .xbits.man = __CONCAT(m, ULL), \ + .xbits.expsign = (0x3fff + (ex)) | ((v) < 0 ? 0x8000 : 0), \ +} +#else +/* The above works on non-i386 too, but we use this to check v. */ +#define LD80C(m, ex, v) { .e = (v), } +#endif + #ifdef FLT_EVAL_METHOD /* * Attempt to get strict C99 semantics for assignment with non-C99 compilers. @@ -217,7 +228,7 @@ do { \ #define STRICT_ASSIGN(type, lval, rval) do { \ volatile type __lval; \ \ - if (sizeof(type) >= sizeof(double)) \ + if (sizeof(type) >= sizeof(long double)) \ (lval) = (rval); \ else { \ __lval = (rval); \ @@ -225,8 +236,30 @@ do { \ } \ } while (0) #endif +#endif /* FLT_EVAL_METHOD */ + +/* Support switching the mode to FP_PE if necessary. */ +#if defined(__i386__) && !defined(NO_FPSETPREC) +#define ENTERI() \ + long double __retval; \ + fp_prec_t __oprec; \ + \ + if ((__oprec = fpgetprec()) != FP_PE) \ + fpsetprec(FP_PE) +#define RETURNI(x) do { \ + __retval = (x); \ + if (__oprec != FP_PE) \ + fpsetprec(__oprec); \ + RETURNF(__retval); \ +} while (0) +#else +#define ENTERI(x) +#define RETURNI(x) RETURNF(x) #endif +/* Default return statement if hack*_t() is not used. */ +#define RETURNF(v) return (v) + /* * Common routine to process the arguments to nan(), nanf(), and nanl(). */ @@ -323,6 +356,18 @@ irint(double x) #define HAVE_EFFICIENT_IRINT #endif +#if defined(__amd64__) || defined(__i386__) +static __inline int +irintl(long double x) +{ + int n; + + asm("fistl %0" : "=m" (n) : "t" (x)); + return (n); +} +#define HAVE_EFFICIENT_IRINTL +#endif + #endif /* __GNUCLIKE_ASM */ /* @@ -390,10 +435,9 @@ irint(double x) int __kernel_rem_pio2(double*,double*,int,int,int); /* double precision kernel functions */ -#ifdef INLINE_REM_PIO2 -__inline -#endif +#ifndef INLINE_REM_PIO2 int __ieee754_rem_pio2(double,double*); +#endif double __kernel_sin(double,double,int); double __kernel_cos(double,double); double __kernel_tan(double,double,int); @@ -403,22 +447,18 @@ double complex __ldexp_cexp(double complex,int); #endif /* float precision kernel functions */ -#ifdef INLINE_REM_PIO2F -__inline -#endif +#ifndef INLINE_REM_PIO2F int __ieee754_rem_pio2f(float,double*); -#ifdef INLINE_KERNEL_SINDF -__inline #endif +#ifndef INLINE_KERNEL_SINDF float __kernel_sindf(double); -#ifdef INLINE_KERNEL_COSDF -__inline #endif +#ifndef INLINE_KERNEL_COSDF float __kernel_cosdf(double); -#ifdef INLINE_KERNEL_TANDF -__inline #endif +#ifndef INLINE_KERNEL_TANDF float __kernel_tandf(double,int); +#endif float __ldexp_expf(float,int); #ifdef _COMPLEX_H float complex __ldexp_cexpf(float complex,int); |
