libc: update to a recent newlib version.

This commit is contained in:
Our Air Quality 2017-04-13 13:52:05 +10:00
parent cd23acaa4a
commit af4ac44cb5
77 changed files with 4496 additions and 9989 deletions

View file

@ -4,11 +4,12 @@
#include "_ansi.h"
#include <machine/ieeefp.h>
#include <float.h>
_BEGIN_STD_C
/* FIXME FIXME FIXME:
Neither of __ieee_{float,double}_shape_tape seem to be used anywhere
Neither of __ieee_{float,double}_shape_type seem to be used anywhere
except in libm/test. If that is the case, please delete these from here.
If that is not the case, please insert documentation here describing why
they're needed. */
@ -46,9 +47,7 @@ typedef union
long aslong[2];
} __ieee_double_shape_type;
#endif
#ifdef __IEEE_LITTLE_ENDIAN
#elif defined __IEEE_LITTLE_ENDIAN
typedef union
{
@ -92,7 +91,7 @@ typedef union
} __ieee_double_shape_type;
#endif
#endif /* __IEEE_LITTLE_ENDIAN */
#ifdef __IEEE_BIG_ENDIAN
@ -118,9 +117,7 @@ typedef union
} __ieee_float_shape_type;
#endif
#ifdef __IEEE_LITTLE_ENDIAN
#elif defined __IEEE_LITTLE_ENDIAN
typedef union
{
@ -144,10 +141,70 @@ typedef union
} __ieee_float_shape_type;
#endif /* __IEEE_LITTLE_ENDIAN */
#ifndef _LDBL_EQ_DBL
#ifndef LDBL_MANT_DIG
#error "LDBL_MANT_DIG not defined - should be found in float.h"
#elif LDBL_MANT_DIG == DBL_MANT_DIG
#error "double and long double are the same size but LDBL_EQ_DBL is not defined"
#elif LDBL_MANT_DIG == 53
/* This happens when doubles are 32-bits and long doubles are 64-bits. */
#define EXT_EXPBITS 11
#define EXT_FRACHBITS 20
#define EXT_FRACLBITS 32
#define __ieee_ext_field_type unsigned long
#elif LDBL_MANT_DIG == 64
#define EXT_EXPBITS 15
#define EXT_FRACHBITS 32
#define EXT_FRACLBITS 32
#define __ieee_ext_field_type unsigned int
#elif LDBL_MANT_DIG == 65
#define EXT_EXPBITS 15
#define EXT_FRACHBITS 32
#define EXT_FRACLBITS 32
#define __ieee_ext_field_type unsigned int
#elif LDBL_MANT_DIG == 112
#define EXT_EXPBITS 15
#define EXT_FRACHBITS 48
#define EXT_FRACLBITS 64
#define __ieee_ext_field_type unsigned long long
#elif LDBL_MANT_DIG == 113
#define EXT_EXPBITS 15
#define EXT_FRACHBITS 48
#define EXT_FRACLBITS 64
#define __ieee_ext_field_type unsigned long long
#else
#error Unsupported value for LDBL_MANT_DIG
#endif
#define EXT_EXP_INFNAN ((1 << EXT_EXPBITS) - 1) /* 32767 */
#define EXT_EXP_BIAS ((1 << (EXT_EXPBITS - 1)) - 1) /* 16383 */
#define EXT_FRACBITS (EXT_FRACLBITS + EXT_FRACHBITS)
typedef struct ieee_ext
{
__ieee_ext_field_type ext_fracl : EXT_FRACLBITS;
__ieee_ext_field_type ext_frach : EXT_FRACHBITS;
__ieee_ext_field_type ext_exp : EXT_EXPBITS;
__ieee_ext_field_type ext_sign : 1;
} ieee_ext;
typedef union ieee_ext_u
{
long double extu_ld;
struct ieee_ext extu_ext;
} ieee_ext_u;
#endif /* ! _LDBL_EQ_DBL */
/* FLOATING ROUNDING */
@ -184,19 +241,6 @@ typedef int fp_rdi;
fp_rdi _EXFUN(fpgetroundtoi,(void));
fp_rdi _EXFUN(fpsetroundtoi,(fp_rdi));
#undef isnan
#undef isinf
int _EXFUN(isnan, (double));
int _EXFUN(isinf, (double));
int _EXFUN(finite, (double));
int _EXFUN(isnanf, (float));
int _EXFUN(isinff, (float));
int _EXFUN(finitef, (float));
#define __IEEE_DBL_EXPBIAS 1023
#define __IEEE_FLT_EXPBIAS 127
@ -213,22 +257,17 @@ int _EXFUN(finitef, (float));
#define __IEEE_DBL_NAN_EXP 0x7ff
#define __IEEE_FLT_NAN_EXP 0xff
#ifndef __ieeefp_isnanf
#define __ieeefp_isnanf(x) (((*(long *)&(x) & 0x7f800000L)==0x7f800000L) && \
((*(long *)&(x) & 0x007fffffL)!=0000000000L))
#endif
#ifdef __ieeefp_isnanf
#define isnanf(x) __ieeefp_isnanf(x)
#ifndef __ieeefp_isinff
#define __ieeefp_isinff(x) (((*(long *)&(x) & 0x7f800000L)==0x7f800000L) && \
((*(long *)&(x) & 0x007fffffL)==0000000000L))
#endif
#ifdef __ieeefp_isinff
#define isinff(x) __ieeefp_isinff(x)
#ifndef __ieeefp_finitef
#define __ieeefp_finitef(x) (((*(long *)&(x) & 0x7f800000L)!=0x7f800000L))
#endif
#ifdef __ieeefp_finitef
#define finitef(x) __ieeefp_finitef(x)
#endif
#ifdef _DOUBLE_IS_32BITS
#undef __IEEE_DBL_EXPBIAS