diff options
Diffstat (limited to 'contrib/gcc/config/fp-bit.h')
| -rw-r--r-- | contrib/gcc/config/fp-bit.h | 176 |
1 files changed, 148 insertions, 28 deletions
diff --git a/contrib/gcc/config/fp-bit.h b/contrib/gcc/config/fp-bit.h index ab1817a28265..0e8509eedf92 100644 --- a/contrib/gcc/config/fp-bit.h +++ b/contrib/gcc/config/fp-bit.h @@ -1,5 +1,5 @@ /* Header file for fp-bit.c. */ -/* Copyright (C) 2000 +/* Copyright (C) 2000, 2002, 2003 Free Software Foundation, Inc. This file is part of GNU CC. @@ -35,7 +35,7 @@ Boston, MA 02111-1307, USA. */ This avoids the need to pull in the entire fp emulation library when only a small number of functions are needed. - If FINE_GRAINED_LIBRARIES is not defined, then compile every + If FINE_GRAINED_LIBRARIES is not defined, then compile every suitable routine. */ #ifndef FINE_GRAINED_LIBRARIES #define L_pack_df @@ -87,12 +87,22 @@ Boston, MA 02111-1307, USA. */ #endif #endif /* ! FINE_GRAINED_LIBRARIES */ +#if __LDBL_MANT_DIG__ == 113 || __LDBL_MANT_DIG__ == 106 +# define TMODES +#endif + typedef float SFtype __attribute__ ((mode (SF))); typedef float DFtype __attribute__ ((mode (DF))); +#ifdef TMODES +typedef float TFtype __attribute__ ((mode (TF))); +#endif typedef int HItype __attribute__ ((mode (HI))); typedef int SItype __attribute__ ((mode (SI))); typedef int DItype __attribute__ ((mode (DI))); +#ifdef TMODES +typedef int TItype __attribute__ ((mode (TI))); +#endif /* The type of the result of a fp compare */ #ifndef CMPtype @@ -102,16 +112,68 @@ typedef int DItype __attribute__ ((mode (DI))); typedef unsigned int UHItype __attribute__ ((mode (HI))); typedef unsigned int USItype __attribute__ ((mode (SI))); typedef unsigned int UDItype __attribute__ ((mode (DI))); +#ifdef TMODES +typedef unsigned int UTItype __attribute__ ((mode (TI))); +#endif #define MAX_USI_INT (~(USItype)0) #define MAX_SI_INT ((SItype) (MAX_USI_INT >> 1)) #define BITS_PER_SI (4 * BITS_PER_UNIT) +#ifdef TMODES +#define MAX_UDI_INT (~(UDItype)0) +#define MAX_DI_INT ((DItype) (MAX_UDI_INT >> 1)) +#define BITS_PER_DI (8 * BITS_PER_UNIT) +#endif #ifdef FLOAT_ONLY #define NO_DI_MODE #endif -#ifdef FLOAT +#ifdef TFLOAT +# ifndef TMODES +# error "TFLOAT requires long double to have 113 bits of mantissa" +# endif + +# define PREFIXFPDP tp +# define PREFIXSFDF tf +# define NGARDS 10L /* Is this right? */ +# define GARDROUND 0x1ff +# define GARDMASK 0x3ff +# define GARDMSB 0x200 +# define FRAC_NBITS 128 + +# if __LDBL_MANT_DIG__ == 113 /* IEEE quad */ +# define EXPBITS 15 +# define EXPBIAS 16383 +# define EXPMAX (0x7fff) +# define QUIET_NAN ((TItype)0x8 << 108) +# define FRACHIGH ((TItype)0x8 << 124) +# define FRACHIGH2 ((TItype)0xc << 124) +# define FRACBITS 112 +# endif + +# if __LDBL_MANT_DIG__ == 106 /* IBM extended (double+double) */ +# define EXPBITS 11 +# define EXPBIAS 1023 +# define EXPMAX (0x7ff) +# define QUIET_NAN ((TItype)0x8 << (48 + 64)) +# define FRACHIGH ((TItype)0x8 << 124) +# define FRACHIGH2 ((TItype)0xc << 124) +# define FRACBITS 105 +# define HALFFRACBITS 52 +# define HALFSHIFT 64 +# endif + +# define pack_d __pack_t +# define unpack_d __unpack_t +# define __fpcmp_parts __fpcmp_parts_t + typedef UTItype fractype; + typedef UDItype halffractype; + typedef USItype qrtrfractype; +#define qrtrfractype qrtrfractype + typedef TFtype FLO_type; + typedef TItype intfrac; +#elif defined FLOAT # define NGARDS 7L # define GARDROUND 0x3f # define GARDMASK 0x7f @@ -157,34 +219,59 @@ typedef unsigned int UDItype __attribute__ ((mode (DI))); #endif /* FLOAT */ #ifdef US_SOFTWARE_GOFAST -# ifdef FLOAT +# ifdef TFLOAT +# error "GOFAST TFmode not supported" +# elif defined FLOAT # define add fpadd # define sub fpsub # define multiply fpmul # define divide fpdiv # define compare fpcmp +# define _unord_f2 __unordsf2 # define usi_to_float __floatunsisf # define si_to_float sitofp # define float_to_si fptosi # define float_to_usi fptoui # define negate __negsf2 # define sf_to_df fptodp -# define dptofp dptofp -#else +# define sf_to_tf __extendsftf2 +# else # define add dpadd # define sub dpsub # define multiply dpmul # define divide dpdiv # define compare dpcmp +# define _unord_f2 __unorddf2 # define usi_to_float __floatunsidf # define si_to_float litodp # define float_to_si dptoli # define float_to_usi dptoul # define negate __negdf2 # define df_to_sf dptofp +# define df_to_tf __extenddftf2 # endif /* FLOAT */ #else -# ifdef FLOAT +# ifdef TFLOAT +# define add __addtf3 +# define sub __subtf3 +# define multiply __multf3 +# define divide __divtf3 +# define compare __cmptf2 +# define _eq_f2 __eqtf2 +# define _ne_f2 __netf2 +# define _gt_f2 __gttf2 +# define _ge_f2 __getf2 +# define _lt_f2 __lttf2 +# define _le_f2 __letf2 +# define _unord_f2 __unordtf2 +# define usi_to_float __floatunsitf +# define si_to_float __floatsitf +# define float_to_si __fixtfsi +# define float_to_usi __fixunstfsi +# define negate __negtf2 +# define tf_to_sf __trunctfsf2 +# define tf_to_df __trunctfdf2 +# elif defined FLOAT # define add __addsf3 # define sub __subsf3 # define multiply __mulsf3 @@ -203,7 +290,8 @@ typedef unsigned int UDItype __attribute__ ((mode (DI))); # define float_to_usi __fixunssfsi # define negate __negsf2 # define sf_to_df __extendsfdf2 -#else +# define sf_to_tf __extendsftf2 +# else # define add __adddf3 # define sub __subdf3 # define multiply __muldf3 @@ -222,6 +310,7 @@ typedef unsigned int UDItype __attribute__ ((mode (DI))); # define float_to_usi __fixunsdfsi # define negate __negdf2 # define df_to_sf __truncdfsf2 +# define df_to_tf __extenddftf2 # endif /* FLOAT */ #endif /* US_SOFTWARE_GOFAST */ @@ -239,10 +328,15 @@ typedef unsigned int UDItype __attribute__ ((mode (DI))); */ #define F_D_BITOFF (52+8-(23+7)) +#ifdef TMODES +# define F_T_BITOFF (__LDBL_MANT_DIG__-1+10-(23+7)) +# define D_T_BITOFF (__LDBL_MANT_DIG__-1+10-(52+8)) +#endif + #define NORMAL_EXPMIN (-(EXPBIAS)+1) -#define IMPLICIT_1 (1LL<<(FRACBITS+NGARDS)) -#define IMPLICIT_2 (1LL<<(FRACBITS+1+NGARDS)) +#define IMPLICIT_1 ((fractype)1<<(FRACBITS+NGARDS)) +#define IMPLICIT_2 ((fractype)1<<(FRACBITS+1+NGARDS)) /* common types */ @@ -280,7 +374,11 @@ typedef union fractype value_raw; #ifndef FLOAT +# ifdef qrtrfractype + qrtrfractype qwords[4]; +# else halffractype words[2]; +# endif #endif #ifdef FLOAT_BIT_ORDER_MISMATCH @@ -315,82 +413,82 @@ FLO_union_type; /* Prototypes */ -#if defined(L_pack_df) || defined(L_pack_sf) +#if defined(L_pack_df) || defined(L_pack_sf) || defined(L_pack_tf) extern FLO_type pack_d (fp_number_type *); #endif extern void unpack_d (FLO_union_type *, fp_number_type *); -#if defined(L_addsub_sf) || defined(L_addsub_df) +#if defined(L_addsub_sf) || defined(L_addsub_df) || defined(L_addsub_tf) extern FLO_type add (FLO_type, FLO_type); extern FLO_type sub (FLO_type, FLO_type); #endif -#if defined(L_mul_sf) || defined(L_mul_df) +#if defined(L_mul_sf) || defined(L_mul_df) || defined(L_mul_tf) extern FLO_type multiply (FLO_type, FLO_type); #endif -#if defined(L_div_sf) || defined(L_div_df) +#if defined(L_div_sf) || defined(L_div_df) || defined(L_div_tf) extern FLO_type divide (FLO_type, FLO_type); #endif extern int __fpcmp_parts (fp_number_type *, fp_number_type *); -#if defined(L_compare_sf) || defined(L_compare_df) +#if defined(L_compare_sf) || defined(L_compare_df) || defined(L_compare_tf) extern CMPtype compare (FLO_type, FLO_type); #endif #ifndef US_SOFTWARE_GOFAST -#if defined(L_eq_sf) || defined(L_eq_df) +#if defined(L_eq_sf) || defined(L_eq_df) || defined(L_eq_tf) extern CMPtype _eq_f2 (FLO_type, FLO_type); #endif -#if defined(L_ne_sf) || defined(L_ne_df) +#if defined(L_ne_sf) || defined(L_ne_df) || defined(L_ne_tf) extern CMPtype _ne_f2 (FLO_type, FLO_type); #endif -#if defined(L_gt_sf) || defined(L_gt_df) +#if defined(L_gt_sf) || defined(L_gt_df) || defined(L_gt_tf) extern CMPtype _gt_f2 (FLO_type, FLO_type); #endif -#if defined(L_ge_sf) || defined(L_ge_df) +#if defined(L_ge_sf) || defined(L_ge_df) || defined(L_ge_tf) extern CMPtype _ge_f2 (FLO_type, FLO_type); #endif -#if defined(L_lt_sf) || defined(L_lt_df) +#if defined(L_lt_sf) || defined(L_lt_df) || defined(L_lt_tf) extern CMPtype _lt_f2 (FLO_type, FLO_type); #endif -#if defined(L_le_sf) || defined(L_le_df) +#if defined(L_le_sf) || defined(L_le_df) || defined(L_le_tf) extern CMPtype _le_f2 (FLO_type, FLO_type); #endif -#if defined(L_unord_sf) || defined(L_unord_df) +#if defined(L_unord_sf) || defined(L_unord_df) || defined(L_unord_tf) extern CMPtype _unord_f2 (FLO_type, FLO_type); #endif #endif /* ! US_SOFTWARE_GOFAST */ -#if defined(L_si_to_sf) || defined(L_si_to_df) +#if defined(L_si_to_sf) || defined(L_si_to_df) || defined(L_si_to_tf) extern FLO_type si_to_float (SItype); #endif -#if defined(L_sf_to_si) || defined(L_df_to_si) +#if defined(L_sf_to_si) || defined(L_df_to_si) || defined(L_tf_to_si) extern SItype float_to_si (FLO_type); #endif -#if defined(L_sf_to_usi) || defined(L_df_to_usi) -#ifdef US_SOFTWARE_GOFAST +#if defined(L_sf_to_usi) || defined(L_df_to_usi) || defined(L_tf_to_usi) +#if defined(US_SOFTWARE_GOFAST) || defined(L_tf_to_usi) extern USItype float_to_usi (FLO_type); #endif #endif -#if defined(L_usi_to_sf) || defined(L_usi_to_df) +#if defined(L_usi_to_sf) || defined(L_usi_to_df) || defined(L_usi_to_tf) extern FLO_type usi_to_float (USItype); #endif -#if defined(L_negate_sf) || defined(L_negate_df) +#if defined(L_negate_sf) || defined(L_negate_df) || defined(L_negate_tf) extern FLO_type negate (FLO_type); #endif @@ -403,6 +501,9 @@ extern DFtype __make_dp (fp_class_type, unsigned int, int, UDItype); #if defined(L_sf_to_df) extern DFtype sf_to_df (SFtype); #endif +#if defined(L_sf_to_tf) && defined(TMODES) +extern TFtype sf_to_tf (SFtype); +#endif #endif /* ! FLOAT_ONLY */ #endif /* FLOAT */ @@ -414,6 +515,25 @@ extern DFtype __make_dp (fp_class_type, unsigned int, int, UDItype); #if defined(L_df_to_sf) extern SFtype df_to_sf (DFtype); #endif +#if defined(L_df_to_tf) && defined(TMODES) +extern TFtype df_to_tf (DFtype); +#endif #endif /* ! FLOAT */ +#ifdef TMODES +extern DFtype __make_dp (fp_class_type, unsigned int, int, UDItype); +extern TFtype __make_tp (fp_class_type, unsigned int, int, UTItype); +#ifdef TFLOAT +#if defined(L_tf_to_sf) +extern SFtype tf_to_sf (TFtype); +#endif +#if defined(L_tf_to_df) +extern DFtype tf_to_df (TFtype); +#endif +#if defined(L_di_to_tf) +extern TFtype di_to_df (DItype); +#endif +#endif /* TFLOAT */ +#endif /* TMODES */ + #endif /* ! GCC_FP_BIT_H */ |