diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/parisc/math-emu/float.h')
| -rw-r--r-- | ANDROID_3.4.5/arch/parisc/math-emu/float.h | 582 |
1 files changed, 0 insertions, 582 deletions
diff --git a/ANDROID_3.4.5/arch/parisc/math-emu/float.h b/ANDROID_3.4.5/arch/parisc/math-emu/float.h deleted file mode 100644 index ce76f6df..00000000 --- a/ANDROID_3.4.5/arch/parisc/math-emu/float.h +++ /dev/null @@ -1,582 +0,0 @@ -/* - * Linux/PA-RISC Project (http://www.parisc-linux.org/) - * - * Floating-point emulation code - * Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org> - * - * This program 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. - * - * This program 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 this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -/* - * BEGIN_DESC - * - * File: - * @(#) pa/spmath/float.h $Revision: 1.1 $ - * - * Purpose: - * <<please update with a synopis of the functionality provided by this file>> - * - * BE header: no - * - * Shipped: yes - * /usr/conf/pa/spmath/float.h - * - * END_DESC -*/ - -#ifdef __NO_PA_HDRS - PA header file -- do not include this header file for non-PA builds. -#endif - -#include "fpbits.h" -#include "hppa.h" -/* - * Want to pick up the FPU capability flags, not the PDC structures. - * 'LOCORE' isn't really true in this case, but we don't want the C structures - * so it suits our purposes - */ -#define LOCORE -#include "fpu.h" - -/* - * Declare the basic structures for the 3 different - * floating-point precisions. - * - * Single number - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * |s| exp | mantissa | - * +-------+-------+-------+-------+-------+-------+-------+-------+ - */ -#define Sall(object) (object) -#define Ssign(object) Bitfield_extract( 0, 1,object) -#define Ssignedsign(object) Bitfield_signed_extract( 0, 1,object) -#define Sexponent(object) Bitfield_extract( 1, 8,object) -#define Smantissa(object) Bitfield_mask( 9, 23,object) -#define Ssignaling(object) Bitfield_extract( 9, 1,object) -#define Ssignalingnan(object) Bitfield_extract( 1, 9,object) -#define Shigh2mantissa(object) Bitfield_extract( 9, 2,object) -#define Sexponentmantissa(object) Bitfield_mask( 1, 31,object) -#define Ssignexponent(object) Bitfield_extract( 0, 9,object) -#define Shidden(object) Bitfield_extract( 8, 1,object) -#define Shiddenoverflow(object) Bitfield_extract( 7, 1,object) -#define Shiddenhigh7mantissa(object) Bitfield_extract( 8, 8,object) -#define Shiddenhigh3mantissa(object) Bitfield_extract( 8, 4,object) -#define Slow(object) Bitfield_mask( 31, 1,object) -#define Slow4(object) Bitfield_mask( 28, 4,object) -#define Slow31(object) Bitfield_mask( 1, 31,object) -#define Shigh31(object) Bitfield_extract( 0, 31,object) -#define Ssignedhigh31(object) Bitfield_signed_extract( 0, 31,object) -#define Shigh4(object) Bitfield_extract( 0, 4,object) -#define Sbit24(object) Bitfield_extract( 24, 1,object) -#define Sbit28(object) Bitfield_extract( 28, 1,object) -#define Sbit29(object) Bitfield_extract( 29, 1,object) -#define Sbit30(object) Bitfield_extract( 30, 1,object) -#define Sbit31(object) Bitfield_mask( 31, 1,object) - -#define Deposit_ssign(object,value) Bitfield_deposit(value,0,1,object) -#define Deposit_sexponent(object,value) Bitfield_deposit(value,1,8,object) -#define Deposit_smantissa(object,value) Bitfield_deposit(value,9,23,object) -#define Deposit_shigh2mantissa(object,value) Bitfield_deposit(value,9,2,object) -#define Deposit_sexponentmantissa(object,value) \ - Bitfield_deposit(value,1,31,object) -#define Deposit_ssignexponent(object,value) Bitfield_deposit(value,0,9,object) -#define Deposit_slow(object,value) Bitfield_deposit(value,31,1,object) -#define Deposit_shigh4(object,value) Bitfield_deposit(value,0,4,object) - -#define Is_ssign(object) Bitfield_mask( 0, 1,object) -#define Is_ssignaling(object) Bitfield_mask( 9, 1,object) -#define Is_shidden(object) Bitfield_mask( 8, 1,object) -#define Is_shiddenoverflow(object) Bitfield_mask( 7, 1,object) -#define Is_slow(object) Bitfield_mask( 31, 1,object) -#define Is_sbit24(object) Bitfield_mask( 24, 1,object) -#define Is_sbit28(object) Bitfield_mask( 28, 1,object) -#define Is_sbit29(object) Bitfield_mask( 29, 1,object) -#define Is_sbit30(object) Bitfield_mask( 30, 1,object) -#define Is_sbit31(object) Bitfield_mask( 31, 1,object) - -/* - * Double number. - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * |s| exponent | mantissa part 1 | - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * | mantissa part 2 | - * +-------+-------+-------+-------+-------+-------+-------+-------+ - */ -#define Dallp1(object) (object) -#define Dsign(object) Bitfield_extract( 0, 1,object) -#define Dsignedsign(object) Bitfield_signed_extract( 0, 1,object) -#define Dexponent(object) Bitfield_extract( 1, 11,object) -#define Dmantissap1(object) Bitfield_mask( 12, 20,object) -#define Dsignaling(object) Bitfield_extract( 12, 1,object) -#define Dsignalingnan(object) Bitfield_extract( 1, 12,object) -#define Dhigh2mantissa(object) Bitfield_extract( 12, 2,object) -#define Dexponentmantissap1(object) Bitfield_mask( 1, 31,object) -#define Dsignexponent(object) Bitfield_extract( 0, 12,object) -#define Dhidden(object) Bitfield_extract( 11, 1,object) -#define Dhiddenoverflow(object) Bitfield_extract( 10, 1,object) -#define Dhiddenhigh7mantissa(object) Bitfield_extract( 11, 8,object) -#define Dhiddenhigh3mantissa(object) Bitfield_extract( 11, 4,object) -#define Dlowp1(object) Bitfield_mask( 31, 1,object) -#define Dlow31p1(object) Bitfield_mask( 1, 31,object) -#define Dhighp1(object) Bitfield_extract( 0, 1,object) -#define Dhigh4p1(object) Bitfield_extract( 0, 4,object) -#define Dhigh31p1(object) Bitfield_extract( 0, 31,object) -#define Dsignedhigh31p1(object) Bitfield_signed_extract( 0, 31,object) -#define Dbit3p1(object) Bitfield_extract( 3, 1,object) - -#define Deposit_dsign(object,value) Bitfield_deposit(value,0,1,object) -#define Deposit_dexponent(object,value) Bitfield_deposit(value,1,11,object) -#define Deposit_dmantissap1(object,value) Bitfield_deposit(value,12,20,object) -#define Deposit_dhigh2mantissa(object,value) Bitfield_deposit(value,12,2,object) -#define Deposit_dexponentmantissap1(object,value) \ - Bitfield_deposit(value,1,31,object) -#define Deposit_dsignexponent(object,value) Bitfield_deposit(value,0,12,object) -#define Deposit_dlowp1(object,value) Bitfield_deposit(value,31,1,object) -#define Deposit_dhigh4p1(object,value) Bitfield_deposit(value,0,4,object) - -#define Is_dsign(object) Bitfield_mask( 0, 1,object) -#define Is_dsignaling(object) Bitfield_mask( 12, 1,object) -#define Is_dhidden(object) Bitfield_mask( 11, 1,object) -#define Is_dhiddenoverflow(object) Bitfield_mask( 10, 1,object) -#define Is_dlowp1(object) Bitfield_mask( 31, 1,object) -#define Is_dhighp1(object) Bitfield_mask( 0, 1,object) -#define Is_dbit3p1(object) Bitfield_mask( 3, 1,object) - -#define Dallp2(object) (object) -#define Dmantissap2(object) (object) -#define Dlowp2(object) Bitfield_mask( 31, 1,object) -#define Dlow4p2(object) Bitfield_mask( 28, 4,object) -#define Dlow31p2(object) Bitfield_mask( 1, 31,object) -#define Dhighp2(object) Bitfield_extract( 0, 1,object) -#define Dhigh31p2(object) Bitfield_extract( 0, 31,object) -#define Dbit2p2(object) Bitfield_extract( 2, 1,object) -#define Dbit3p2(object) Bitfield_extract( 3, 1,object) -#define Dbit21p2(object) Bitfield_extract( 21, 1,object) -#define Dbit28p2(object) Bitfield_extract( 28, 1,object) -#define Dbit29p2(object) Bitfield_extract( 29, 1,object) -#define Dbit30p2(object) Bitfield_extract( 30, 1,object) -#define Dbit31p2(object) Bitfield_mask( 31, 1,object) - -#define Deposit_dlowp2(object,value) Bitfield_deposit(value,31,1,object) - -#define Is_dlowp2(object) Bitfield_mask( 31, 1,object) -#define Is_dhighp2(object) Bitfield_mask( 0, 1,object) -#define Is_dbit2p2(object) Bitfield_mask( 2, 1,object) -#define Is_dbit3p2(object) Bitfield_mask( 3, 1,object) -#define Is_dbit21p2(object) Bitfield_mask( 21, 1,object) -#define Is_dbit28p2(object) Bitfield_mask( 28, 1,object) -#define Is_dbit29p2(object) Bitfield_mask( 29, 1,object) -#define Is_dbit30p2(object) Bitfield_mask( 30, 1,object) -#define Is_dbit31p2(object) Bitfield_mask( 31, 1,object) - -/* - * Quad number. - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * |s| exponent | mantissa part 1 | - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * | mantissa part 2 | - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * | mantissa part 3 | - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * | mantissa part 4 | - * +-------+-------+-------+-------+-------+-------+-------+-------+ - */ -typedef struct - { - union - { - struct { unsigned qallp1; } u_qallp1; -/* Not needed for now... - Bitfield_extract( 0, 1,u_qsign,qsign) - Bitfield_signed_extract( 0, 1,u_qsignedsign,qsignedsign) - Bitfield_extract( 1, 15,u_qexponent,qexponent) - Bitfield_extract(16, 16,u_qmantissap1,qmantissap1) - Bitfield_extract(16, 1,u_qsignaling,qsignaling) - Bitfield_extract(1, 16,u_qsignalingnan,qsignalingnan) - Bitfield_extract(16, 2,u_qhigh2mantissa,qhigh2mantissa) - Bitfield_extract( 1, 31,u_qexponentmantissap1,qexponentmantissap1) - Bitfield_extract( 0, 16,u_qsignexponent,qsignexponent) - Bitfield_extract(15, 1,u_qhidden,qhidden) - Bitfield_extract(14, 1,u_qhiddenoverflow,qhiddenoverflow) - Bitfield_extract(15, 8,u_qhiddenhigh7mantissa,qhiddenhigh7mantissa) - Bitfield_extract(15, 4,u_qhiddenhigh3mantissa,qhiddenhigh3mantissa) - Bitfield_extract(31, 1,u_qlowp1,qlowp1) - Bitfield_extract( 1, 31,u_qlow31p1,qlow31p1) - Bitfield_extract( 0, 1,u_qhighp1,qhighp1) - Bitfield_extract( 0, 4,u_qhigh4p1,qhigh4p1) - Bitfield_extract( 0, 31,u_qhigh31p1,qhigh31p1) - */ - } quad_u1; - union - { - struct { unsigned qallp2; } u_qallp2; - /* Not needed for now... - Bitfield_extract(31, 1,u_qlowp2,qlowp2) - Bitfield_extract( 1, 31,u_qlow31p2,qlow31p2) - Bitfield_extract( 0, 1,u_qhighp2,qhighp2) - Bitfield_extract( 0, 31,u_qhigh31p2,qhigh31p2) - */ - } quad_u2; - union - { - struct { unsigned qallp3; } u_qallp3; - /* Not needed for now... - Bitfield_extract(31, 1,u_qlowp3,qlowp3) - Bitfield_extract( 1, 31,u_qlow31p3,qlow31p3) - Bitfield_extract( 0, 1,u_qhighp3,qhighp3) - Bitfield_extract( 0, 31,u_qhigh31p3,qhigh31p3) - */ - } quad_u3; - union - { - struct { unsigned qallp4; } u_qallp4; - /* Not need for now... - Bitfield_extract(31, 1,u_qlowp4,qlowp4) - Bitfield_extract( 1, 31,u_qlow31p4,qlow31p4) - Bitfield_extract( 0, 1,u_qhighp4,qhighp4) - Bitfield_extract( 0, 31,u_qhigh31p4,qhigh31p4) - */ - } quad_u4; - } quad_floating_point; - -/* Extension - An additional structure to hold the guard, round and - * sticky bits during computations. - */ -#define Extall(object) (object) -#define Extsign(object) Bitfield_extract( 0, 1,object) -#define Exthigh31(object) Bitfield_extract( 0, 31,object) -#define Extlow31(object) Bitfield_extract( 1, 31,object) -#define Extlow(object) Bitfield_extract( 31, 1,object) - -/* - * Single extended - The upper word is just like single precision, - * but one additional word of mantissa is needed. - */ -#define Sextallp1(object) (object) -#define Sextallp2(object) (object) -#define Sextlowp1(object) Bitfield_extract( 31, 1,object) -#define Sexthighp2(object) Bitfield_extract( 0, 1,object) -#define Sextlow31p2(object) Bitfield_extract( 1, 31,object) -#define Sexthiddenoverflow(object) Bitfield_extract( 4, 1,object) -#define Is_sexthiddenoverflow(object) Bitfield_mask( 4, 1,object) - -/* - * Double extended - The upper two words are just like double precision, - * but two additional words of mantissa are needed. - */ -#define Dextallp1(object) (object) -#define Dextallp2(object) (object) -#define Dextallp3(object) (object) -#define Dextallp4(object) (object) -#define Dextlowp2(object) Bitfield_extract( 31, 1,object) -#define Dexthighp3(object) Bitfield_extract( 0, 1,object) -#define Dextlow31p3(object) Bitfield_extract( 1, 31,object) -#define Dexthiddenoverflow(object) Bitfield_extract( 10, 1,object) -#define Is_dexthiddenoverflow(object) Bitfield_mask( 10, 1,object) -#define Deposit_dextlowp4(object,value) Bitfield_deposit(value,31,1,object) - -/* - * Declare the basic structures for the 3 different - * fixed-point precisions. - * - * Single number - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * |s| integer | - * +-------+-------+-------+-------+-------+-------+-------+-------+ - */ -typedef int sgl_integer; - -/* - * Double number. - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * |s| high integer | - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * | low integer | - * +-------+-------+-------+-------+-------+-------+-------+-------+ - */ -struct dint { - int wd0; - unsigned int wd1; -}; - -struct dblwd { - unsigned int wd0; - unsigned int wd1; -}; - -/* - * Quad number. - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * |s| integer part1 | - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * | integer part 2 | - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * | integer part 3 | - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * | integer part 4 | - * +-------+-------+-------+-------+-------+-------+-------+-------+ - */ - -struct quadwd { - int wd0; - unsigned int wd1; - unsigned int wd2; - unsigned int wd3; -}; - -typedef struct quadwd quad_integer; - - -/* useful typedefs */ -typedef unsigned int sgl_floating_point; -typedef struct dblwd dbl_floating_point; -typedef struct dint dbl_integer; -typedef struct dblwd dbl_unsigned; - -/* - * Define the different precisions' parameters. - */ -#define SGL_BITLENGTH 32 -#define SGL_EMAX 127 -#define SGL_EMIN (-126) -#define SGL_BIAS 127 -#define SGL_WRAP 192 -#define SGL_INFINITY_EXPONENT (SGL_EMAX+SGL_BIAS+1) -#define SGL_THRESHOLD 32 -#define SGL_EXP_LENGTH 8 -#define SGL_P 24 - -#define DBL_BITLENGTH 64 -#define DBL_EMAX 1023 -#define DBL_EMIN (-1022) -#define DBL_BIAS 1023 -#define DBL_WRAP 1536 -#define DBL_INFINITY_EXPONENT (DBL_EMAX+DBL_BIAS+1) -#define DBL_THRESHOLD 64 -#define DBL_EXP_LENGTH 11 -#define DBL_P 53 - -#define QUAD_BITLENGTH 128 -#define QUAD_EMAX 16383 -#define QUAD_EMIN (-16382) -#define QUAD_BIAS 16383 -#define QUAD_WRAP 24576 -#define QUAD_INFINITY_EXPONENT (QUAD_EMAX+QUAD_BIAS+1) -#define QUAD_P 113 - -/* Boolean Values etc. */ -#define FALSE 0 -#define TRUE (!FALSE) -#define NOT ! -#define XOR ^ - -/* other constants */ -#undef NULL -#define NULL 0 -#define NIL 0 -#define SGL 0 -#define DBL 1 -#define BADFMT 2 -#define QUAD 3 - - -/* Types */ -typedef int boolean; -typedef int FORMAT; -typedef int VOID; - - -/* Declare status register equivalent to FPUs architecture. - * - * 0 1 2 3 4 5 6 7 8 910 1 2 3 4 5 6 7 8 920 1 2 3 4 5 6 7 8 930 1 - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * |V|Z|O|U|I|C| rsv | model | version |RM |rsv|T|r|V|Z|O|U|I| - * +-------+-------+-------+-------+-------+-------+-------+-------+ - */ -#define Cbit(object) Bitfield_extract( 5, 1,object) -#define Tbit(object) Bitfield_extract( 25, 1,object) -#define Roundingmode(object) Bitfield_extract( 21, 2,object) -#define Invalidtrap(object) Bitfield_extract( 27, 1,object) -#define Divisionbyzerotrap(object) Bitfield_extract( 28, 1,object) -#define Overflowtrap(object) Bitfield_extract( 29, 1,object) -#define Underflowtrap(object) Bitfield_extract( 30, 1,object) -#define Inexacttrap(object) Bitfield_extract( 31, 1,object) -#define Invalidflag(object) Bitfield_extract( 0, 1,object) -#define Divisionbyzeroflag(object) Bitfield_extract( 1, 1,object) -#define Overflowflag(object) Bitfield_extract( 2, 1,object) -#define Underflowflag(object) Bitfield_extract( 3, 1,object) -#define Inexactflag(object) Bitfield_extract( 4, 1,object) -#define Allflags(object) Bitfield_extract( 0, 5,object) - -/* Definitions relevant to the status register */ - -/* Rounding Modes */ -#define ROUNDNEAREST 0 -#define ROUNDZERO 1 -#define ROUNDPLUS 2 -#define ROUNDMINUS 3 - -/* Exceptions */ -#define NOEXCEPTION 0x0 -#define INVALIDEXCEPTION 0x20 -#define DIVISIONBYZEROEXCEPTION 0x10 -#define OVERFLOWEXCEPTION 0x08 -#define UNDERFLOWEXCEPTION 0x04 -#define INEXACTEXCEPTION 0x02 -#define UNIMPLEMENTEDEXCEPTION 0x01 - -/* New exceptions for the 2E Opcode */ -#define OPC_2E_INVALIDEXCEPTION 0x30 -#define OPC_2E_OVERFLOWEXCEPTION 0x18 -#define OPC_2E_UNDERFLOWEXCEPTION 0x0c -#define OPC_2E_INEXACTEXCEPTION 0x12 - -/* Declare exception registers equivalent to FPUs architecture - * - * 0 1 2 3 4 5 6 7 8 910 1 2 3 4 5 6 7 8 920 1 2 3 4 5 6 7 8 930 1 - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * |excepttype | r1 | r2/ext | operation |parm |n| t/cond | - * +-------+-------+-------+-------+-------+-------+-------+-------+ - */ -#define Allexception(object) (object) -#define Exceptiontype(object) Bitfield_extract( 0, 6,object) -#define Instructionfield(object) Bitfield_mask( 6,26,object) -#define Parmfield(object) Bitfield_extract( 23, 3,object) -#define Rabit(object) Bitfield_extract( 24, 1,object) -#define Ibit(object) Bitfield_extract( 25, 1,object) - -#define Set_exceptiontype(object,value) Bitfield_deposit(value, 0, 6,object) -#define Set_parmfield(object,value) Bitfield_deposit(value, 23, 3,object) -#define Set_exceptiontype_and_instr_field(exception,instruction,object) \ - object = exception << 26 | instruction - -/* Declare the condition field - * - * 0 1 2 3 4 5 6 7 8 910 1 2 3 4 5 6 7 8 920 1 2 3 4 5 6 7 8 930 1 - * +-------+-------+-------+-------+-------+-------+-------+-------+ - * | |G|L|E|U|X| - * +-------+-------+-------+-------+-------+-------+-------+-------+ - */ -#define Allexception(object) (object) -#define Greaterthanbit(object) Bitfield_extract( 27, 1,object) -#define Lessthanbit(object) Bitfield_extract( 28, 1,object) -#define Equalbit(object) Bitfield_extract( 29, 1,object) -#define Unorderedbit(object) Bitfield_extract( 30, 1,object) -#define Exceptionbit(object) Bitfield_extract( 31, 1,object) - -/* An alias name for the status register */ -#define Fpustatus_register (*status) - -/************************************************** - * Status register referencing and manipulation. * - **************************************************/ - -/* Rounding mode */ -#define Rounding_mode() Roundingmode(Fpustatus_register) -#define Is_rounding_mode(rmode) \ - (Roundingmode(Fpustatus_register) == rmode) -#define Set_rounding_mode(value) \ - Bitfield_deposit(value,21,2,Fpustatus_register) - -/* Boolean testing of the trap enable bits */ -#define Is_invalidtrap_enabled() Invalidtrap(Fpustatus_register) -#define Is_divisionbyzerotrap_enabled() Divisionbyzerotrap(Fpustatus_register) -#define Is_overflowtrap_enabled() Overflowtrap(Fpustatus_register) -#define Is_underflowtrap_enabled() Underflowtrap(Fpustatus_register) -#define Is_inexacttrap_enabled() Inexacttrap(Fpustatus_register) - -/* Set the indicated flags in the status register */ -#define Set_invalidflag() Bitfield_deposit(1,0,1,Fpustatus_register) -#define Set_divisionbyzeroflag() Bitfield_deposit(1,1,1,Fpustatus_register) -#define Set_overflowflag() Bitfield_deposit(1,2,1,Fpustatus_register) -#define Set_underflowflag() Bitfield_deposit(1,3,1,Fpustatus_register) -#define Set_inexactflag() Bitfield_deposit(1,4,1,Fpustatus_register) - -#define Clear_all_flags() Bitfield_deposit(0,0,5,Fpustatus_register) - -/* Manipulate the trap and condition code bits (tbit and cbit) */ -#define Set_tbit() Bitfield_deposit(1,25,1,Fpustatus_register) -#define Clear_tbit() Bitfield_deposit(0,25,1,Fpustatus_register) -#define Is_tbit_set() Tbit(Fpustatus_register) -#define Is_cbit_set() Cbit(Fpustatus_register) - -#define Set_status_cbit(value) \ - Bitfield_deposit(value,5,1,Fpustatus_register) - -/******************************* - * Condition field referencing * - *******************************/ -#define Unordered(cond) Unorderedbit(cond) -#define Equal(cond) Equalbit(cond) -#define Lessthan(cond) Lessthanbit(cond) -#define Greaterthan(cond) Greaterthanbit(cond) -#define Exception(cond) Exceptionbit(cond) - - -/* Defines for the extension */ -#define Ext_isone_sign(extent) (Extsign(extent)) -#define Ext_isnotzero(extent) \ - (Extall(extent)) -#define Ext_isnotzero_lower(extent) \ - (Extlow31(extent)) -#define Ext_leftshiftby1(extent) \ - Extall(extent) <<= 1 -#define Ext_negate(extent) \ - (int )Extall(extent) = 0 - (int )Extall(extent) -#define Ext_setone_low(extent) Bitfield_deposit(1,31,1,extent) -#define Ext_setzero(extent) Extall(extent) = 0 - -typedef int operation; - -/* error messages */ - -#define NONE 0 -#define UNDEFFPINST 1 - -/* Function definitions: opcode, opclass */ -#define FTEST (1<<2) | 0 -#define FCPY (2<<2) | 0 -#define FABS (3<<2) | 0 -#define FSQRT (4<<2) | 0 -#define FRND (5<<2) | 0 - -#define FCNVFF (0<<2) | 1 -#define FCNVXF (1<<2) | 1 -#define FCNVFX (2<<2) | 1 -#define FCNVFXT (3<<2) | 1 - -#define FCMP (0<<2) | 2 - -#define FADD (0<<2) | 3 -#define FSUB (1<<2) | 3 -#define FMPY (2<<2) | 3 -#define FDIV (3<<2) | 3 -#define FREM (4<<2) | 3 - |