diff options
Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/config/fp-bit.h')
| -rw-r--r-- | gcc-4.2.1-5666.3/gcc/config/fp-bit.h | 543 |
1 files changed, 0 insertions, 543 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/config/fp-bit.h b/gcc-4.2.1-5666.3/gcc/config/fp-bit.h deleted file mode 100644 index 0f03f87ee..000000000 --- a/gcc-4.2.1-5666.3/gcc/config/fp-bit.h +++ /dev/null @@ -1,543 +0,0 @@ -/* Header file for fp-bit.c. */ -/* Copyright (C) 2000, 2002, 2003, 2006 Free Software Foundation, Inc. - -This file is part of GCC. - -GCC is free software; you can redistribute it and/or modify it under -the terms of the GNU General Public License as published by the Free -Software Foundation; either version 2, or (at your option) any later -version. - -In addition to the permissions in the GNU General Public License, the -Free Software Foundation gives you unlimited permission to link the -compiled version of this file into combinations with other programs, -and to distribute those combinations without any restriction coming -from the use of this file. (The General Public License restrictions -do apply in other respects; for example, they cover modification of -the file, and distribution when not linked into a combine -executable.) - -GCC is distributed in the hope that it will be useful, but WITHOUT ANY -WARRANTY; without even the implied warranty of MERCHANTABILITY or -FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License -for more details. - -You should have received a copy of the GNU General Public License -along with GCC; see the file COPYING. If not, write to the Free -Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA -02110-1301, USA. */ - -#ifndef GCC_FP_BIT_H -#define GCC_FP_BIT_H - -/* Defining FINE_GRAINED_LIBRARIES allows one to select which routines - from this file are compiled via additional -D options. - - 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 - suitable routine. */ -#ifndef FINE_GRAINED_LIBRARIES -#define L_pack_df -#define L_unpack_df -#define L_pack_sf -#define L_unpack_sf -#define L_addsub_sf -#define L_addsub_df -#define L_mul_sf -#define L_mul_df -#define L_div_sf -#define L_div_df -#define L_fpcmp_parts_sf -#define L_fpcmp_parts_df -#define L_compare_sf -#define L_compare_df -#define L_eq_sf -#define L_eq_df -#define L_ne_sf -#define L_ne_df -#define L_gt_sf -#define L_gt_df -#define L_ge_sf -#define L_ge_df -#define L_lt_sf -#define L_lt_df -#define L_le_sf -#define L_le_df -#define L_unord_sf -#define L_unord_df -#define L_usi_to_sf -#define L_usi_to_df -#define L_si_to_sf -#define L_si_to_df -#define L_sf_to_si -#define L_df_to_si -#define L_f_to_usi -#define L_df_to_usi -#define L_negate_sf -#define L_negate_df -#define L_make_sf -#define L_make_df -#define L_sf_to_df -#define L_df_to_sf -#ifdef FLOAT -#define L_thenan_sf -#else -#define L_thenan_df -#endif -#endif /* ! FINE_GRAINED_LIBRARIES */ - -#if __LDBL_MANT_DIG__ == 113 || __LDBL_MANT_DIG__ == 106 -# if defined(TFLOAT) || defined(L_sf_to_tf) || defined(L_df_to_tf) -# define TMODES -# endif -#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 floating point comparison. This must - match `word_mode' in GCC for the target. */ -#ifndef CMPtype -typedef int CMPtype __attribute__ ((mode (word))); -#endif - -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 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 -# define GARDMSB 0x40 -# define EXPBITS 8 -# define EXPBIAS 127 -# define FRACBITS 23 -# define EXPMAX (0xff) -# define QUIET_NAN 0x100000L -# define FRAC_NBITS 32 -# define FRACHIGH 0x80000000L -# define FRACHIGH2 0xc0000000L -# define pack_d __pack_f -# define unpack_d __unpack_f -# define __fpcmp_parts __fpcmp_parts_f - typedef USItype fractype; - typedef UHItype halffractype; - typedef SFtype FLO_type; - typedef SItype intfrac; - -#else -# define PREFIXFPDP dp -# define PREFIXSFDF df -# define NGARDS 8L -# define GARDROUND 0x7f -# define GARDMASK 0xff -# define GARDMSB 0x80 -# define EXPBITS 11 -# define EXPBIAS 1023 -# define FRACBITS 52 -# define EXPMAX (0x7ff) -# define QUIET_NAN 0x8000000000000LL -# define FRAC_NBITS 64 -# define FRACHIGH 0x8000000000000000LL -# define FRACHIGH2 0xc000000000000000LL -# define pack_d __pack_d -# define unpack_d __unpack_d -# define __fpcmp_parts __fpcmp_parts_d - typedef UDItype fractype; - typedef USItype halffractype; - typedef DFtype FLO_type; - typedef DItype intfrac; -#endif /* FLOAT */ - -#ifdef US_SOFTWARE_GOFAST -# 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 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 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 -# define divide __divsf3 -# define compare __cmpsf2 -# define _eq_f2 __eqsf2 -# define _ne_f2 __nesf2 -# define _gt_f2 __gtsf2 -# define _ge_f2 __gesf2 -# define _lt_f2 __ltsf2 -# define _le_f2 __lesf2 -# define _unord_f2 __unordsf2 -# define usi_to_float __floatunsisf -# define si_to_float __floatsisf -# define float_to_si __fixsfsi -# define float_to_usi __fixunssfsi -# define negate __negsf2 -# define sf_to_df __extendsfdf2 -# define sf_to_tf __extendsftf2 -# else -# define add __adddf3 -# define sub __subdf3 -# define multiply __muldf3 -# define divide __divdf3 -# define compare __cmpdf2 -# define _eq_f2 __eqdf2 -# define _ne_f2 __nedf2 -# define _gt_f2 __gtdf2 -# define _ge_f2 __gedf2 -# define _lt_f2 __ltdf2 -# define _le_f2 __ledf2 -# define _unord_f2 __unorddf2 -# define usi_to_float __floatunsidf -# define si_to_float __floatsidf -# define float_to_si __fixdfsi -# define float_to_usi __fixunsdfsi -# define negate __negdf2 -# define df_to_sf __truncdfsf2 -# define df_to_tf __extenddftf2 -# endif /* FLOAT */ -#endif /* US_SOFTWARE_GOFAST */ - -#ifndef INLINE -#define INLINE __inline__ -#endif - -/* Preserve the sticky-bit when shifting fractions to the right. */ -#define LSHIFT(a, s) { a = (a >> s) | !!(a & (((fractype) 1 << s) - 1)); } - -/* numeric parameters */ -/* F_D_BITOFF is the number of bits offset between the MSB of the mantissa - of a float and of a double. Assumes there are only two float types. - (double::FRAC_BITS+double::NGARDS-(float::FRAC_BITS-float::NGARDS)) - */ -#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 ((fractype)1<<(FRACBITS+NGARDS)) -#define IMPLICIT_2 ((fractype)1<<(FRACBITS+1+NGARDS)) - -/* common types */ - -typedef enum -{ - CLASS_SNAN, - CLASS_QNAN, - CLASS_ZERO, - CLASS_NUMBER, - CLASS_INFINITY -} fp_class_type; - -typedef struct -{ -#ifdef SMALL_MACHINE - char class; - unsigned char sign; - short normal_exp; -#else - fp_class_type class; - unsigned int sign; - int normal_exp; -#endif - - union - { - fractype ll; - halffractype l[2]; - } fraction; -} fp_number_type; - -typedef union -{ - FLO_type value; - fractype value_raw; - -#ifndef FLOAT -# ifdef qrtrfractype - qrtrfractype qwords[4]; -# else - halffractype words[2]; -# endif -#endif - -#ifdef FLOAT_BIT_ORDER_MISMATCH - struct - { - fractype fraction:FRACBITS __attribute__ ((packed)); - unsigned int exp:EXPBITS __attribute__ ((packed)); - unsigned int sign:1 __attribute__ ((packed)); - } - bits; -#endif - -#ifdef _DEBUG_BITFLOAT - struct - { - unsigned int sign:1 __attribute__ ((packed)); - unsigned int exp:EXPBITS __attribute__ ((packed)); - fractype fraction:FRACBITS __attribute__ ((packed)); - } - bits_big_endian; - - struct - { - fractype fraction:FRACBITS __attribute__ ((packed)); - unsigned int exp:EXPBITS __attribute__ ((packed)); - unsigned int sign:1 __attribute__ ((packed)); - } - bits_little_endian; -#endif -} -FLO_union_type; - -/* Prototypes */ - -#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) || 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) || defined(L_mul_tf) -extern FLO_type multiply (FLO_type, FLO_type); -#endif - -#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) || 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) || defined(L_eq_tf) -extern CMPtype _eq_f2 (FLO_type, FLO_type); -#endif - -#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) || defined(L_gt_tf) -extern CMPtype _gt_f2 (FLO_type, FLO_type); -#endif - -#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) || defined(L_lt_tf) -extern CMPtype _lt_f2 (FLO_type, FLO_type); -#endif - -#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) || 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) || defined(L_si_to_tf) -extern FLO_type si_to_float (SItype); -#endif - -#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) || 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) || defined(L_usi_to_tf) -extern FLO_type usi_to_float (USItype); -#endif - -#if defined(L_negate_sf) || defined(L_negate_df) || defined(L_negate_tf) -extern FLO_type negate (FLO_type); -#endif - -#ifdef FLOAT -#if defined(L_make_sf) -extern SFtype __make_fp (fp_class_type, unsigned int, int, USItype); -#endif -#ifndef FLOAT_ONLY -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 */ - -#ifndef FLOAT -extern SFtype __make_fp (fp_class_type, unsigned int, int, USItype); -#if defined(L_make_df) -extern DFtype __make_dp (fp_class_type, unsigned int, int, UDItype); -#endif -#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 */ |