Commit ea976606 by Alexandre Oliva Committed by Alexandre Oliva

fp-bit.h: Define macros for TFmode floating-point constants in IEEE quad TFmode type.

* config/fp-bit.h: Define macros for TFmode floating-point
constants in IEEE quad TFmode type.  Declare functions according
to L_ macros.
(TMODES): Define if __LDBL_MANT_DIG__ is 113.
(TFtype, TItype, UTItype): Define if TMODES is defined.
(MAX_UDI_INT, MAX_DI_INT, BITS_PER_DI): Likewise.
(F_T_BITOFF, D_T_BITOFF): Define.
(IMPLICIT_1, IMPLICIT_2): Cast constants to types that are
guaranteed to be wide enough.
* config/fp-bit.c: Check for L_ macros for tf functions.
(__thenan_tf): New.
(nan): Adjust.
(pack_d, unpack_d): Support IEEE 854 quad type.
(_fpmul_parts): Support TFmode.  Compute exponent adjustment
from FRAC_NBITS, FRAC_BITS and NGARDS.
(usi_to_float): Cast constants to be shifted to fractype
instead of assuming long long is wide enough.
(sf_to_tf, df_to_tf, __make_tp, tf_to_df, tf_to_sf): New.

From-SVN: r61835
parent fd7fd61e
2003-01-26 Alexandre Oliva <aoliva@redhat.com>
* config/fp-bit.h: Define macros for TFmode floating-point
constants in IEEE quad TFmode type. Declare functions according
to L_ macros.
(TMODES): Define if __LDBL_MANT_DIG__ is 113.
(TFtype, TItype, UTItype): Define if TMODES is defined.
(MAX_UDI_INT, MAX_DI_INT, BITS_PER_DI): Likewise.
(F_T_BITOFF, D_T_BITOFF): Define.
(IMPLICIT_1, IMPLICIT_2): Cast constants to types that are
guaranteed to be wide enough.
* config/fp-bit.c: Check for L_ macros for tf functions.
(__thenan_tf): New.
(nan): Adjust.
(pack_d, unpack_d): Support IEEE 854 quad type.
(_fpmul_parts): Support TFmode. Compute exponent adjustment
from FRAC_NBITS, FRAC_BITS and NGARDS.
(usi_to_float): Cast constants to be shifted to fractype
instead of assuming long long is wide enough.
(sf_to_tf, df_to_tf, __make_tp, tf_to_df, tf_to_sf): New.
2003-01-26 Andreas Jaeger <aj@suse.de>
* df.c: Remove prototype of unused function df_regno_rtl_debug.
......
/* 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.
......@@ -87,12 +87,22 @@ Boston, MA 02111-1307, USA. */
#endif
#endif /* ! FINE_GRAINED_LIBRARIES */
#if __LDBL_MANT_DIG__ == 113
# 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 +112,56 @@ 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
# 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
......@@ -157,7 +207,9 @@ 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
......@@ -170,8 +222,8 @@ typedef unsigned int UDItype __attribute__ ((mode (DI)));
# 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
......@@ -184,9 +236,30 @@ typedef unsigned int UDItype __attribute__ ((mode (DI)));
# 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
......@@ -205,7 +278,8 @@ 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
......@@ -224,6 +298,7 @@ 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 */
......@@ -241,10 +316,15 @@ 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 */
......@@ -282,7 +362,11 @@ typedef union
fractype value_raw;
#ifndef FLOAT
# ifdef qrtrfractype
qrtrfractype qwords[4];
# else
halffractype words[2];
# endif
#endif
#ifdef FLOAT_BIT_ORDER_MISMATCH
......@@ -317,82 +401,82 @@ 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)
#if defined(L_sf_to_usi) || defined(L_df_to_usi) || defined(L_tf_to_usi)
#ifdef US_SOFTWARE_GOFAST
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
......@@ -405,6 +489,9 @@ 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 */
......@@ -416,6 +503,24 @@ 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 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 */
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