darkkirb/old-cross-binutils
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity
old-cross-binutils/sim/tic80/insns
Michael Meissner aaa7b25260 Make cmp produce the correct results
1997-05-09 19:48:52 +00:00

1143 lines
38 KiB
Text
Raw Blame History

// Texas Instruments TMS320C80 (MVP) Simulator.
// Copyright (C) 1997 Free Software Foundation, Inc.
// Contributed by Cygnus Support.
//
// This file is part of GDB, the GNU debugger.
//
// 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. */
// The following is called when ever an illegal instruction is encountered.
::internal::illegal
engine_error (SD, CPU, cia, "illegal instruction at 0x%lx", cia.ip);
// The following is called when ever an FP op is attempted with FPU disabled.
::internal::fp_unavailable
engine_error (SD, CPU, cia, "floating-point unavailable at 0x%lx", cia.ip);
// Signed Integer Add - add source1, source2, dest
void::function::do_add:signed32 *rDest, signed32 Source1, signed32 Source2
ALU_BEGIN (Source1);
ALU_ADD (Source2);
ALU_END (*rDest);
TRACE_ALU3 (MY_INDEX, *rDest, Source1, Source2);
/* FIXME - a signed add may cause an exception */
31.Dest,26.Source2,21.0b101100,15.0,14.SignedImmediate::::add i
do_add (_SD, rDest, vSource1, rSource2);
31.Dest,26.Source2,21.0b11101100,13.0,12.0,11./,4.Source1::::add r
do_add (_SD, rDest, rSource1, rSource2);
31.Dest,26.Source2,21.0b11101100,13.0,12.1,11./::::add l
long_immediate (LongSignedImmediate);
do_add (_SD, rDest, LongSignedImmediate, rSource2);
// Unsigned Integer Add - addu source1, source2, dest
void::function::do_addu:unsigned32 *rDest, unsigned32 Source1, unsigned32 Source2
unsigned32 result = Source1 + Source2;
TRACE_ALU3 (MY_INDEX, result, Source1, Source2);
*rDest = result;
31.Dest,26.Source2,21.0b101100,15.1,14.SignedImmediate::::addu i
do_addu (_SD, rDest, vSource1, rSource2);
31.Dest,26.Source2,21.0b11101100,13.1,12.0,11./,4.Source1::::addu r
do_addu (_SD, rDest, rSource1, rSource2);
31.Dest,26.Source2,21.0b11101100,13.1,12.1,11./::::addu l
long_immediate (LongSignedImmediate);
do_addu (_SD, rDest, LongSignedImmediate, rSource2);
void::function::do_and:signed32 *rDest, signed32 Source1, signed32 Source2
unsigned32 result = Source1 & Source2;
TRACE_ALU3 (MY_INDEX, result, Source1, Source2);
*rDest = result;
// and, and.tt
31.Dest,26.Source2,21.0b0010001,14.SignedImmediate::::and.tt i
do_and (_SD, rDest, vSource1, rSource2);
31.Dest,26.Source2,21.0b110010001,12.0,11./,4.Source1::::and.tt r
do_and (_SD, rDest, rSource1, rSource2);
31.Dest,26.Source2,21.0b110010001,12.1,11./::::and.tt l
long_immediate (LongSignedImmediate);
do_and (_SD, rDest, LongSignedImmediate, rSource2);
// and.ff
31.Dest,26.Source2,21.0b0011000,14.SignedImmediate::::and.ff i
do_and (_SD, rDest, ~vSource1, ~rSource2);
31.Dest,26.Source2,21.0b110011000,12.0,11./,4.Source1::::and.ff r
do_and (_SD, rDest, ~rSource1, ~rSource2);
31.Dest,26.Source2,21.0b110011000,12.1,11./::::and.ff l
long_immediate (LongSignedImmediate);
do_and (_SD, rDest, ~LongSignedImmediate, ~rSource2);
// and.ft
31.Dest,26.Source2,21.0b0010100,14.SignedImmediate::::and.ft i
do_and (_SD, rDest, ~vSource1, rSource2);
31.Dest,26.Source2,21.0b110010100,12.0,11./,4.Source1::::and.ft r
do_and (_SD, rDest, ~rSource1, rSource2);
31.Dest,26.Source2,21.0b110010100,12.1,11./::::and.ft l
long_immediate (LongSignedImmediate);
do_and (_SD, rDest, ~LongSignedImmediate, rSource2);
// and.tf
31.Dest,26.Source2,21.0b0010010,14.SignedImmediate::::and.tf i
do_and (_SD, rDest, vSource1, ~rSource2);
31.Dest,26.Source2,21.0b110010010,12.0,11./,4.Source1::::and.tf r
do_and (_SD, rDest, rSource1, ~rSource2);
31.Dest,26.Source2,21.0b110010010,12.1,11./::::and.tf l
long_immediate (LongSignedImmediate);
do_and (_SD, rDest, LongSignedImmediate, ~rSource2);
// bbo.[a]
instruction_address::function::do_bbo:instruction_address nia, int bitnum, unsigned32 source, int annul, unsigned32 offset
int jump_p;
unsigned32 target = cia.ip + 4 * offset;
bitnum = (~ bitnum) & 0x1f;
if (MASKED32 (source, bitnum, bitnum))
{
if (annul)
nia.ip = -1;
nia.dp = target;
jump_p = 1;
}
else
jump_p = 0;
TRACE_COND_BR(MY_INDEX, jump_p, bitnum, target);
return nia;
31.BITNUM,26.Source,21.0b100101,15.A,14.SignedOffset::::bbo i
nia = do_bbo (_SD, nia, BITNUM, rSource, A, vSignedOffset);
31.BITNUM,26.Source,21.0b11100101,13.A,12.0,11./,4.IndOff::::bbo r
nia = do_bbo (_SD, nia, BITNUM, rSource, A, rIndOff);
31.BITNUM,26.Source,21.0b11100101,13.A,12.1,11./::::bbo l
long_immediate (LongSignedImmediate);
nia = do_bbo (_SD, nia, BITNUM, rSource, A, LongSignedImmediate);
// bbz[.a]
instruction_address::function::do_bbz:instruction_address nia, int bitnum, unsigned32 source, int annul, unsigned32 offset
int jump_p;
unsigned32 target = cia.ip + 4 * offset;
bitnum = (~ bitnum) & 0x1f;
if (!MASKED32 (source, bitnum, bitnum))
{
if (annul)
nia.ip = -1;
nia.dp = target;
jump_p = 1;
}
else
jump_p = 0;
TRACE_COND_BR(MY_INDEX, jump_p, bitnum, target);
return nia;
31.BITNUM,26.Source,21.0b100100,15.A,14.SignedOffset::::bbz i
nia = do_bbz (_SD, nia, BITNUM, rSource, A, vSignedOffset);
31.BITNUM,26.Source,21.0b11100100,13.A,12.0,11./,4.IndOff::::bbz r
nia = do_bbz (_SD, nia, BITNUM, rSource, A, rIndOff);
31.BITNUM,26.Source,21.0b11100100,13.A,12.1,11./::::bbz l
long_immediate (LongSignedImmediate);
nia = do_bbz (_SD, nia, BITNUM, rSource, A, LongSignedImmediate);
// bcnd[.a]
instruction_address::function::do_bcnd:instruction_address nia, int Cond, unsigned32 source, int annul, unsigned32 offset
int condition;
int size = EXTRACTED32 (Cond, 31 - 27, 30 - 27);
int code = EXTRACTED32 (Cond, 29 - 27, 27 - 27);
signed32 val = 0;
unsigned32 target = cia.ip + 4 * offset;
switch (size)
{
case 0: val = SEXT32 (source, 7); break;
case 1: val = SEXT32 (source, 15); break;
case 2: val = source; break;
default: engine_error (SD, CPU, cia, "bcnd - reserved size");
}
switch (code)
{
case 0: condition = 0; break;
case 1: condition = val > 0; break;
case 2: condition = val == 0; break;
case 3: condition = val >= 0; break;
case 4: condition = val < 0; break;
case 5: condition = val != 0; break;
case 6: condition = val <= 0; break;
default: condition = 1; break;
}
if (condition)
{
if (annul)
nia.ip = -1;
nia.dp = target;
}
TRACE_COND_BR(MY_INDEX, condition, source, target);
return nia;
31.Code,26.Source,21.0b100110,15.A,14.SignedOffset::::bcnd i
nia = do_bcnd (_SD, nia, Code, rSource, A, vSignedOffset);
31.Code,26.Source,21.0b11100110,13.A,12.0,11./,4.IndOff::::bcnd r
nia = do_bcnd (_SD, nia, Code, rSource, A, rIndOff);
31.Code,26.Source,21.0b11100110,13.A,12.1,11./::::bcnd l
long_immediate (LongSignedImmediate);
nia = do_bcnd (_SD, nia, Code, rSource, A, LongSignedImmediate);
// br[.a] - see bbz[.a]
// brcr
sim_cia::function::do_brcr:instruction_address nia, int cr
if (cr >= 0x4000 || !(CPU)->is_user_mode)
{
unsigned32 control = CR (cr);
unsigned32 ie = control & 0x00000001;
unsigned32 pc = control & 0xfffffffc;
unsigned32 is_user_mode = control & 0x00000002;
(CPU)->is_user_mode = is_user_mode;
nia.dp = pc;
if (ie)
(CPU)->cr[IE_CR] |= IE_CR_IE;
else
(CPU)->cr[IE_CR] &= ~IE_CR_IE;
}
TRACE_UCOND_BR (MY_INDEX, nia.dp);
return nia;
31.//,27.0,26.//,21.0b0000110,14.UCRN::::brcr i
nia = do_brcr (_SD, nia, UCRN);
31.//,27.0,26.//,21.0b110000110,12.0,11./,4.INDCR::::brcr r
nia = do_brcr (_SD, nia, UCRN);
31.//,27.0,26.//,21.0b110000110,12.1,11./::::brcr l
long_immediate (UnsignedControlRegisterNumber)
nia = do_brcr (_SD, nia, UnsignedControlRegisterNumber);
// bsr[.a]
instruction_address::function::do_bsr:instruction_address nia, signed32 *rLink, int annul, unsigned32 offset
if (annul)
{
*rLink = nia.ip;
nia.ip = -1;
}
else
*rLink = nia.ip + sizeof (instruction_word);
nia.dp = cia.ip + 4 * offset;
TRACE_UCOND_BR (MY_INDEX, nia.dp);
return nia;
31.Link,26./,21.0b100000,15.A,14.SignedOffset::::bsr i
nia = do_bsr (_SD, nia, rLink, A, vSignedOffset);
31.Link,26./,21.0b11100000,13.A,12.0,11./,4.IndOff::::bsr r
nia = do_bsr (_SD, nia, rLink, A, rIndOff);
31.Link,26./,21.0b11100000,13.A,12.1,11./::::bsr l
long_immediate (LongSignedImmediate);
nia = do_bsr (_SD, nia, rLink, A, LongSignedImmediate);
// cmnd
void::function::do_cmnd:signed32 source
int Reset = EXTRACTED32 (source, 31, 31);
int Halt = EXTRACTED32 (source, 30, 30);
int Unhalt = EXTRACTED32 (source, 29, 29);
/* int ICR = EXTRACTED32 (source, 28, 28); */
/* int DCR = EXTRACTED32 (source, 27, 27); */
int Task = EXTRACTED32 (source, 14, 14);
int Msg = EXTRACTED32 (source, 13, 13);
int VC = EXTRACTED32 (source, 10, 10);
int TC = EXTRACTED32 (source, 9, 9);
int MP = EXTRACTED32 (source, 8, 8);
int PP = EXTRACTED32 (source, 3, 0);
/* what is implemented? */
if (PP != 0)
engine_error (SD, CPU, cia, "0x%lx: cmnd - PPs not supported",
(unsigned long) cia.ip);
if (VC != 0)
engine_error (SD, CPU, cia, "0x%lx: cmnd - VC not supported",
(unsigned long) cia.ip);
if (TC != 0)
engine_error (SD, CPU, cia, "0x%lx: cmnd - TC not supported",
(unsigned long) cia.ip);
if (MP)
{
if (Reset || Halt)
engine_halt (SD, CPU, cia, sim_exited, 0);
if (Unhalt)
engine_error (SD, CPU, cia, "0x%lx: cmnd - Can not unhalt the MP",
(unsigned long) cia.ip);
/* if (ICR || DCR); */
if (Task)
engine_error (SD, CPU, cia, "0x%lx: cmnd - Can not Task the MP",
(unsigned long) cia.ip);
if (Msg)
engine_error (SD, CPU, cia, "0x%lx: cmnd - Msg to MP not suported",
(unsigned long) cia.ip);
}
TRACE_SINK1 (MY_INDEX, source);
31./,21.0b0000010,14.UI::::cmnd i
do_cmnd (_SD, UI);
31./,21.0b110000010,12.0,11./,4.Source::::cmnd r
do_cmnd (_SD, rSource);
31./,21.0b110000010,12.1,11./::::cmnd l
long_immediate (LongUnsignedImmediate);
do_cmnd (_SD, LongUnsignedImmediate);
// cmp
unsigned32::function::cmp_vals:signed32 s1, unsigned32 u1, signed32 s2, unsigned32 u2
unsigned32 field = 0;
if (s1 == s2) field |= 0x001;
if (s1 != s2) field |= 0x002;
if (s1 > s2) field |= 0x004;
if (s1 <= s2) field |= 0x008;
if (s1 < s2) field |= 0x010;
if (s1 >= s2) field |= 0x020;
if (u1 > u2) field |= 0x040;
if (u1 <= u2) field |= 0x080;
if (u1 < u2) field |= 0x100;
if (u1 >= u2) field |= 0x200;
return field;
void::function::do_cmp:unsigned32 *rDest, unsigned32 Source1, unsigned32 Source2
unsigned32 field = 0;
field |= cmp_vals (_SD, Source1, Source1, Source2, Source2) << 20;
field |= cmp_vals (_SD, (signed16)Source1, (unsigned16)Source1,
(signed16)Source2, (unsigned16)Source2) << 10;
field |= cmp_vals (_SD, (signed8)Source1, (unsigned8)Source1,
(signed8)Source2, (unsigned8)Source2);
TRACE_ALU3 (MY_INDEX, field, Source1, Source2);
*rDest = field;
31.Dest,26.Source2,21.0b1010000,14.SignedImmediate::::cmp i
do_cmp (_SD, rDest, vSource1, rSource2);
31.Dest,26.Source2,21.0b111010000,12.0,11./,4.Source1::::cmp r
do_cmp (_SD, rDest, rSource1, rSource2);
31.Dest,26.Source2,21.0b111010000,12.1,11./::::cmp l
long_immediate (LongSignedImmediate);
do_cmp (_SD, rDest, LongSignedImmediate, rSource2);
// dcache
31./,27.F,26.Source2,21.0b0111,17.M,16.0b00,14.SignedOffset::::dcache i
TRACE_NOP (MY_INDEX);
/* NOP */
31./,27.F,26.Source2,21.0b110111,15.M,14.0b00,12.0,11./,4.Source1::::dcache r
TRACE_NOP (MY_INDEX);
/* NOP */
31./,27.F,26.Source2,21.0b110111,15.M,14.0b00,12.1,11./::::dcache l
long_immediate (LongSignedImmediate);
LongSignedImmediate++;
TRACE_NOP (MY_INDEX);
/* NOP */
// dld[{.b|.h|.d}]
void::function::do_dld:int Dest, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset
do_ld (_SD, Dest, Base, rBase, m, sz, S, Offset);
31.Dest,26.Base,21.0b110100,15.m,14.sz,12.0,11.S,10.1,9./,4.IndOff::::dld r
do_dld (_SD, Dest, rBase, &GPR(Base), m, sz, S, rIndOff);
31.Dest,26.Base,21.0b110100,15.m,14.sz,12.1,11.S,10.1,9./::::dld l
long_immediate (LongSignedImmediateOffset);
do_dld (_SD, Dest, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset);
// dld.u[{.b|.h|.d}]
void::function::do_dld_u:unsigned32 *rDest, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset
do_ld_u (_SD, rDest, Base, rBase, m, sz, S, Offset);
31.Dest,26.Base,21.0b110101,15.m,14.sz,12.0,11.S,10.1,9./,4.IndOff::::dld.u r
do_dld_u (_SD, rDest, rBase, &GPR(Base), m, sz, S, rIndOff);
31.Dest,26.Base,21.0b110101,15.m,14.sz,12.1,11.S,10.1,9./::::dld.u l
long_immediate (LongSignedImmediateOffset);
do_dld_u (_SD, rDest, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset);
// dst[{.b|.h|.d}]
void::function::do_dst:int Source, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset
do_st (_SD, Source, Base, rBase, m, sz, S, Offset);
31.Source,26.Base,21.0b110110,15.m,14.sz,12.0,11.S,10.1,9./,4.IndOff::::dst r
do_dst (_SD, Source, rBase, &GPR(Base), m, sz, S, rIndOff);
31.Source,26.Base,21.0b110110,15.m,14.sz,12.1,11.S,10.1,9./::::dst l
long_immediate (LongSignedImmediateOffset);
do_dst (_SD, Source, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset);
// estop
31./,21.0b1111111,14.1,13.0,12.0,11./::::estop
// etrap
31./,27.1,26./,21.0b0000001,14.UTN::::etrap i
31./,27.1,26./,21.0b110000001,12.0,11./,4.iUTN::::etrap r
31./,27.1,26./,21.0b110000001,12.1,11./::::etrap l
// exts - see shift.ds
// extu - see shift.dz
sim_fpu::function::get_fp_reg:int reg, unsigned32 val, int precision
switch (precision)
{
case 0: /* single */
if (reg == 0)
return sim_fpu_32to (0);
else
return sim_fpu_32to (val);
case 1: /* double */
if (reg < 0)
return sim_fpu_32to (val);
if (reg & 1)
engine_error (SD, CPU, cia, "DP FP register must be even");
if (reg <= 1)
engine_error (SD, CPU, cia, "DP FP register must be >= 2");
return sim_fpu_64to (INSERTED64 (GPR(reg + 1), 63, 32)
| INSERTED64 (GPR(reg), 31, 0));
case 2: /* 32 bit signed integer */
if (reg == 0)
return sim_fpu_32to (0);
else
return sim_fpu_d2 ((signed32) val);
case 3: /* 32 bit unsigned integer */
if (reg == 0)
return sim_fpu_32to (0);
else
return sim_fpu_d2 ((unsigned32) val);
default:
engine_error (SD, CPU, cia, "Unsupported FP precision");
}
return sim_fpu_32to (0);
void::function::set_fp_reg:int Dest, sim_fpu val, int PD
switch (PD)
{
case 0: /* single */
{
GPR (Dest) = sim_fpu_to32 (val);
break;
}
case 1: /* double */
{
unsigned64 v = *(unsigned64*) &val;
if (Dest & 1)
engine_error (SD, CPU, cia, "DP FP Dest register must be even");
if (Dest <= 1)
engine_error (SD, CPU, cia, "DP FP Dest register must be >= 2");
GPR (Dest) = EXTRACTED64 (v, 21, 0);
GPR (Dest + 1) = EXTRACTED64 (v, 63, 32);
break;
}
case 2: /* signed */
/* FIXME - rounding */
GPR (Dest) = sim_fpu_2d (val);
break;
case 3: /* unsigned */
/* FIXME - rounding */
GPR (Dest) = sim_fpu_2d (val);
break;
default:
engine_error (SD, CPU, cia, "Unsupported FP precision");
}
// fadd.{s|d}{s|d}{s|d}
void::function::do_fadd:int Dest, int PD, sim_fpu s1, sim_fpu s2
sim_fpu ans = sim_fpu_add (s1, s2);
TRACE_FPU3 (MY_INDEX, ans, s1, s2);
set_fp_reg (_SD, Dest, ans, PD);
31.Dest,26.Source2,21.0b111110000,12.0,11.r,10.PD,8.P2,6.P1,4.Source1::f::fadd r
do_fadd (_SD, Dest, PD,
get_fp_reg (_SD, Source1, rSource1, P1),
get_fp_reg (_SD, Source2, rSource2, P2));
31.Dest,26.Source2,21.0b111110000,12.1,11.r,10.PD,8.P2,6.P1,4./::f::fadd l
long_immediate (SinglePrecisionFloatingPoint);
do_fadd (_SD, Dest, PD,
get_fp_reg (_SD, -1, SinglePrecisionFloatingPoint, P1),
get_fp_reg (_SD, Source2, rSource2, P2));
// fcmp.{s|d}{s|d}{s|d}
void::function::do_fcmp:unsigned32 *rDest, sim_fpu s1, sim_fpu s2
*rDest = 0;
if (sim_fpu_is_nan (s1) || sim_fpu_is_nan (s2))
*rDest |= BIT32 (30);
else
{
*rDest |= BIT32 (31);
if (sim_fpu_cmp (s1, s2) == 0) *rDest |= BIT32(20);
if (sim_fpu_cmp (s1, s2) != 0) *rDest |= BIT32(21);
if (sim_fpu_cmp (s1, s2) > 0) *rDest |= BIT32(22);
if (sim_fpu_cmp (s1, s2) <= 0) *rDest |= BIT32(23);
if (sim_fpu_cmp (s1, s2) < 0) *rDest |= BIT32(24);
if (sim_fpu_cmp (s1, s2) >= 0) *rDest |= BIT32(25);
if (sim_fpu_cmp (s1, sim_fpu_32to (0)) < 0
|| sim_fpu_cmp (s1, s2) > 0) *rDest |= BIT32(26);
if (sim_fpu_cmp (sim_fpu_32to (0), s1) < 0
&& sim_fpu_cmp (s1, s2) < 0) *rDest |= BIT32(27);
if (sim_fpu_cmp (sim_fpu_32to (0), s1) <= 0
&& sim_fpu_cmp (s1, s2) <= 0) *rDest |= BIT32(28);
if (sim_fpu_cmp (s1, sim_fpu_32to (0)) <= 0
|| sim_fpu_cmp (s1, s2) >= 0) *rDest |= BIT32(29);
}
TRACE_FPU2I (MY_INDEX, *rDest, s1, s2);
31.Dest,26.Source2,21.0b111110101,12.0,11./,10.0,8.P2,6.P1,4.Source1::f::fcmp r
do_fcmp (_SD, rDest,
get_fp_reg (_SD, Source1, rSource1, P1),
get_fp_reg (_SD, Source2, rSource2, P2));
31.Dest,26.Source2,21.0b111110101,12.1,11./,10.0,8.P2,6.P1,4./::f::fcmp l
long_immediate (SinglePrecisionFloatingPoint);
do_fcmp (_SD, rDest,
get_fp_reg (_SD, -1, SinglePrecisionFloatingPoint, P1),
get_fp_reg (_SD, Source2, rSource2, P2));
// fdiv.{s|d}{s|d}{s|d}
void::function::do_fdiv:int Dest, int PD, sim_fpu s1, sim_fpu s2
sim_fpu ans = sim_fpu_div (s1, s2);
TRACE_FPU3 (MY_INDEX, ans, s1, s2);
set_fp_reg (_SD, Dest, ans, PD);
31.Dest,26.Source2,21.0b111110011,12.0,11./,10.PD,8.P2,6.P1,4.Source1::f::fdiv r
do_fdiv (_SD, Dest, PD,
get_fp_reg (_SD, Source1, rSource1, P1),
get_fp_reg (_SD, Source2, rSource2, P2));
31.Dest,26.Source2,21.0b111110011,12.1,11./,10.PD,8.P2,6.P1,4./::f::fdiv l
long_immediate (SinglePrecisionFloatingPoint);
do_fdiv (_SD, Dest, PD,
get_fp_reg (_SD, -1, SinglePrecisionFloatingPoint, P1),
get_fp_reg (_SD, Source2, rSource2, P2));
// fmpy.{s|d|i|u}{s|d|i|u}{s|d|i|u}
void::function::do_fmpy:int Dest, int PD, sim_fpu s1, sim_fpu s2
sim_fpu ans = sim_fpu_mul (s1, s2);
TRACE_FPU3 (MY_INDEX, ans, s1, s2);
set_fp_reg (_SD, Dest, ans, PD);
31.Dest,26.Source2,21.0b111110010,12.0,11./,10.PD,8.P2,6.P1,4.Source1::f::fmpy r
do_fmpy (_SD, Dest, PD,
get_fp_reg (_SD, Source1, rSource1, P1),
get_fp_reg (_SD, Source2, rSource2, P2));
31.Dest,26.Source2,21.0b111110010,12.1,11./,10.PD,8.P2,6.P1,4./::f::fmpy l
long_immediate (SinglePrecisionFloatingPoint);
do_fmpy (_SD, Dest, PD,
get_fp_reg (_SD, -1, SinglePrecisionFloatingPoint, P1),
get_fp_reg (_SD, Source2, rSource2, P2));
// frndm.{s|d|i|u}{s|d|i|u}{s|d|i|u}
void::function::do_frnd:int Dest, int PD, sim_fpu s1
set_fp_reg (_SD, Dest, s1, PD);
31.Dest,26.Source2,21.0b111110100,12.0,11.r,10.PD,8.0b11,6.P1,4.Source::f::frndm r
do_frnd (_SD, Dest, PD,
get_fp_reg (_SD, Source, rSource, P1));
31.Dest,26.Source2,21.0b111110100,12.1,11.r,10.PD,8.0b11,6.P1,4./::f::frndm l
long_immediate (SinglePrecisionFloatingPoint);
do_frnd (_SD, Dest, PD,
get_fp_reg (_SD, -1, SinglePrecisionFloatingPoint, P1));
// frndn.{s|d|i|u}{s|d|i|u}{s|d|i|u}
31.Dest,26.Source2,21.0b111110100,12.0,11.r,10.PD,8.0b00,6.P1,4.Source::f::frndn r
do_frnd (_SD, Dest, PD,
get_fp_reg (_SD, Source, rSource, P1));
31.Dest,26.Source2,21.0b111110100,12.1,11.r,10.PD,8.0b00,6.P1,4./::f::frndn l
long_immediate (SinglePrecisionFloatingPoint);
do_frnd (_SD, Dest, PD,
get_fp_reg (_SD, -1, SinglePrecisionFloatingPoint, P1));
// frndp.{s|d|i|u}{s|d|i|u}{s|d|i|u}
31.Dest,26.Source2,21.0b111110100,12.0,11.r,10.PD,8.0b10,6.P1,4.Source::f::frndp r
do_frnd (_SD, Dest, PD,
get_fp_reg (_SD, Source, rSource, P1));
31.Dest,26.Source2,21.0b111110100,12.1,11.r,10.PD,8.0b10,6.P1,4./::f::frndp l
long_immediate (SinglePrecisionFloatingPoint);
do_frnd (_SD, Dest, PD,
get_fp_reg (_SD, -1, SinglePrecisionFloatingPoint, P1));
// frndz.{s|d|i|u}{s|d|i|u}{s|d|i|u}
31.Dest,26.Source2,21.0b111110100,12.0,11.r,10.PD,8.0b01,6.P1,4.Source::f::frndz r
do_frnd (_SD, Dest, PD,
get_fp_reg (_SD, Source, rSource, P1));
31.Dest,26.Source2,21.0b111110100,12.1,11.r,10.PD,8.0b01,6.P1,4./::f::frndz l
long_immediate (SinglePrecisionFloatingPoint);
do_frnd (_SD, Dest, PD,
get_fp_reg (_SD, -1, SinglePrecisionFloatingPoint, P1));
// fsqrt.{s|d}{s|d}{s|d}
#void::function::do_fsqrt:unsigned32 *rDest, unsigned32 Source1, unsigned32 Source2
# sim_io_error ("fsqrt");
31.Dest,26.Source2,21.0b111110111,12.0,11./,10.PD,8.//,6.P1,4.Source1::f::fsqrt r
# do_fsqrt (_SD, rDest, rSource1, rSource2);
31.Dest,26.Source2,21.0b111110111,12.1,11./,10.PD,8.//,6.P1,4./::f::fsqrt l
# do_fsqrt (_SD, rDest, LongSignedImmediate, rSource2);
// fsub.{s|d}{s|d}{s|d}
void::function::do_fsub:int Dest, int PD, sim_fpu s1, sim_fpu s2
sim_fpu ans = sim_fpu_sub (s1, s2);
TRACE_FPU3 (MY_INDEX, ans, s1, s2);
set_fp_reg (_SD, Dest, ans, PD);
31.Dest,26.Source2,21.0b111110001,12.0,11.r,10.PD,8.P2,6.P1,4.Source1::f::fsub r
do_fsub (_SD, Dest, PD,
get_fp_reg (_SD, Source1, rSource1, P1),
get_fp_reg (_SD, Source2, rSource2, P2));
31.Dest,26.Source2,21.0b111110001,12.1,11.r,10.PD,8.P2,6.P1,4./::f::fsub l
long_immediate (SinglePrecisionFloatingPoint);
do_fsub (_SD, Dest, PD,
get_fp_reg (_SD, -1, SinglePrecisionFloatingPoint, P1),
get_fp_reg (_SD, Source2, rSource2, P2));
// illop
31./,21.0b0000000,14./::::illop
31./,21.0b111111111,12./::::illop l
// ins - see sl.im
// jsr[.a]
instruction_address::function::do_jsr:instruction_address nia, signed32 *rLink, int annul, unsigned32 offset, unsigned32 base
TRACE_UCOND_BR (MY_INDEX, nia.ip);
if (annul)
{
*rLink = nia.ip;
nia.ip = -1;
}
else
*rLink = nia.ip + sizeof (instruction_word);
nia.dp = offset + base;
if (nia.dp & 0x3)
engine_error (SD, CPU, cia,
"0x%lx: destination address 0x%lx misaligned",
(unsigned long) cia.ip,
(unsigned long) nia.dp);
return nia;
31.Link,26.Base,21.0b100010,15.A,14.SignedOffset::::jsr i
nia = do_jsr (_SD, nia, rLink, A, vSignedOffset, rBase);
31.Link,26.Base,21.0b11100010,13.A,12.0,11./,4.Source1::::jsr r
nia = do_jsr (_SD, nia, rLink, A, rSource1, rBase);
31.Link,26.Base,21.0b11100010,13.A,12.1,11./::::jsr l
long_immediate (LongSignedImmediate);
nia = do_jsr (_SD, nia, rLink, A, LongSignedImmediate, rBase);
// ld[{.b.h.d}]
void::function::do_ld:int Dest, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset
unsigned32 addr;
switch (sz)
{
case 0:
addr = Base + (S ? (Offset << 0) : Offset);
if (m)
*rBase = addr;
GPR(Dest) = MEM (signed, addr, 1);
break;
case 1:
addr = Base + (S ? (Offset << 1) : Offset);
if (m)
*rBase = addr;
GPR(Dest) = MEM (signed, addr, 2);
break;
case 2:
addr = Base + (S ? (Offset << 2) : Offset);
if (m)
*rBase = addr;
GPR(Dest) = MEM (signed, addr, 4);
break;
case 3:
if (Dest & 0x1)
engine_error (SD, CPU, cia, "0x%lx: ld.d to odd register %d",
cia.ip, Dest);
addr = Base + (S ? (Offset << 3) : Offset);
if (m)
*rBase = addr;
*(unsigned64*)(&GPR(Dest)) = MEM (signed, addr, 8);
break;
default:
addr = -1;
engine_error (SD, CPU, cia, "ld - invalid sz %d", sz);
}
TRACE_LD (MY_INDEX, m, S, GPR(Dest), Base, Offset);
31.Dest,26.Base,21.0b0100,17.m,16.sz,14.SignedOffset::::ld i
do_ld (_SD, Dest, rBase, &GPR(Base), m, sz, 0, vSignedOffset);
31.Dest,26.Base,21.0b110100,15.m,14.sz,12.0,11.S,10.0,9./,4.IndOff::::ld r
do_ld (_SD, Dest, rBase, &GPR(Base), m, sz, S, rIndOff);
31.Dest,26.Base,21.0b110100,15.m,14.sz,12.1,11.S,10.0,9./::::ld l
long_immediate (LongSignedImmediateOffset);
do_ld (_SD, Dest, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset);
// ld.u[{.b.h.d}]
void::function::do_ld_u:unsigned32 *rDest, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset
unsigned32 addr;
switch (sz)
{
case 0:
addr = Base + (S ? (Offset << 0) : Offset);
*rDest = MEM (unsigned, addr, 1);
break;
case 1:
addr = Base + (S ? (Offset << 1) : Offset);
*rDest = MEM (unsigned, addr, 2);
break;
default:
addr = -1;
engine_error (SD, CPU, cia, "ld.u - invalid sz %d", sz);
}
if (m)
*rBase = addr;
TRACE_LD (MY_INDEX, m, S, *rDest, Base, Offset);
31.Dest,26.Base,21.0b0101,17.m,16.sz,14.SignedOffset::::ld.u i
do_ld_u (_SD, rDest, rBase, &GPR(Base), m, sz, 0, vSignedOffset);
31.Dest,26.Base,21.0b110101,15.m,14.sz,12.0,11.S,10.0,9./,4.IndOff::::ld.u r
do_ld_u (_SD, rDest, rBase, &GPR(Base), m, sz, S, rIndOff);
31.Dest,26.Base,21.0b110101,15.m,14.sz,12.1,11.S,10.0,9./::::ld.u l
long_immediate (LongSignedImmediateOffset);
do_ld_u (_SD, rDest, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset);
// lmo
31.Dest,26.Source,21.111111000,12.0,11./::::lmo
int b;
for (b = 0; b < 32; b++)
if (rSource & BIT32 (31 - b))
break;
TRACE_ALU2 (MY_INDEX, b, rSource);
*rDest = b;
// nop - see rdcr 0, r0
void::function::do_or:unsigned32 *rDest, unsigned32 Source1, unsigned32 Source2
unsigned32 result = Source1 | Source2;
TRACE_ALU3 (MY_INDEX, result, Source1, Source2);
*rDest = result;
// or, or.tt
31.Dest,26.Source2,21.0b0010111,14.UnsignedImmediate::::or.tt i
do_or (_SD, rDest, vSource1, rSource2);
31.Dest,26.Source2,21.0b110010111,12.0,11./,4.Source1::::or.tt r
do_or (_SD, rDest, rSource1, rSource2);
31.Dest,26.Source2,21.0b110010111,12.1,11./::::or.tt l
long_immediate (LongUnsignedImmediate);
do_or (_SD, rDest, LongUnsignedImmediate, rSource2);
// or.ff
31.Dest,26.Source2,21.0b0011110,14.UnsignedImmediate::::or.ff i
do_or (_SD, rDest, ~vSource1, ~rSource2);
31.Dest,26.Source2,21.0b110011110,12.0,11./,4.Source1::::or.ff r
do_or (_SD, rDest, ~rSource1, ~rSource2);
31.Dest,26.Source2,21.0b110011110,12.1,11./::::or.ff l
long_immediate (LongUnsignedImmediate);
do_or (_SD, rDest, ~LongUnsignedImmediate, ~rSource2);
// or.ft
31.Dest,26.Source2,21.0b0011101,14.UnsignedImmediate::::or.ft i
do_or (_SD, rDest, ~vSource1, rSource2);
31.Dest,26.Source2,21.0b110011101,12.0,11./,4.Source1::::or.ft r
do_or (_SD, rDest, ~rSource1, rSource2);
31.Dest,26.Source2,21.0b110011101,12.1,11./::::or.ft l
long_immediate (LongUnsignedImmediate);
do_or (_SD, rDest, ~LongUnsignedImmediate, rSource2);
// or.tf
31.Dest,26.Source2,21.0b0011011,14.UnsignedImmediate::::or.tf i
do_or (_SD, rDest, vSource1, ~rSource2);
31.Dest,26.Source2,21.0b110011011,12.0,11./,4.Source1::::or.tf r
do_or (_SD, rDest, rSource1, ~rSource2);
31.Dest,26.Source2,21.0b110011011,12.1,11./::::or.tf l
long_immediate (LongUnsignedImmediate);
do_or (_SD, rDest, LongUnsignedImmediate, ~rSource2);
// rdcr
void::function::do_rdcr:unsigned32 Dest, int cr
TRACE_SINK2 (MY_INDEX, Dest, cr);
GPR (Dest) = CR (cr);
31.Dest,26.0,21.0b0000100,14.UCRN::::rdcr i
do_rdcr (_SD, Dest, UCRN);
31.Dest,26.0,21.0b110000100,12.0,11./,4.INDCR::::rdcr r
do_rdcr (_SD, Dest, UCRN);
31.Dest,26.0,21.0b110000100,12.1,11./::::rdcr l
long_immediate (UnsignedControlRegisterNumber);
do_rdcr (_SD, Dest, UnsignedControlRegisterNumber);
// rmo
31.Dest,26.Source,21.0b111111001,12.0,11./::::rmo
int b;
for (b = 0; b < 32; b++)
if (rSource & BIT32 (b))
break;
if (b < 32)
b = 31 - b;
TRACE_ALU2 (MY_INDEX, b, rSource);
*rDest = b;
// rotl - see sl.dz
// rotr - see sl.dz
// shl - see sl.iz
// sl.{d|e|i}{m|s|z}
void::function::do_shift:int Dest, int Source, int Merge, int i, int n, int EndMask, int Rotate
/* see 10-30 for a reasonable description */
unsigned32 input = GPR (Source);
unsigned32 rotated;
unsigned32 endmask;
unsigned32 shiftmask;
unsigned32 cm;
int nRotate;
/* rotate the source */
if (n)
{
rotated = ROTR32 (GPR (Source), Rotate);
nRotate = (- Rotate) & 31;
}
else
{
rotated = ROTL32 (GPR (Source), Rotate);
nRotate = Rotate;
}
/* form the end mask */
if (EndMask == 0)
endmask = -1;
else
endmask = (1 << EndMask) - 1;
if (i)
endmask = ~endmask;
/* form the shiftmask */
switch (Merge)
{
case 0: case 1: case 2:
shiftmask = -1; /* disabled */
break;
case 3: case 4: case 5:
shiftmask = ((1 << nRotate) - 1); /* enabled */
break;
case 6: case 7:
shiftmask = ~((1 << nRotate) - 1); /* inverted */
break;
default:
engine_error (SD, CPU, cia,
"0x%lx: Invalid merge (%d) for shift",
cia.ip, Source);
shiftmask = 0;
}
/* and the composite mask */
cm = shiftmask & endmask;
/* and merge */
switch (Merge)
{
case 0: case 3: case 6: /* zero */
GPR (Dest) = rotated & cm;
break;
case 1: case 4: case 7: /* merge */
GPR (Dest) = (rotated & cm) | (GPR (Dest) & ~cm);
break;
case 2: case 5: /* sign */
{
int b;
GPR (Dest) = rotated & cm;
for (b = 1; b <= 31; b++)
if (!MASKED32 (cm, b, b))
GPR (Dest) |= INSERTED32 (EXTRACTED32 (GPR (Dest), b - 1, b - 1),
b, b);
}
break;
default:
engine_error (SD, CPU, cia,
"0x%lx: Invalid merge (%d)",
cia.ip, Source);
}
TRACE_ALU2 (MY_INDEX, GPR (Dest), input);
31.Dest,26.Source,21.0b0001,17.Merge,14./,11.i,10.n,9.EndMask,4.Rotate::::sl i
do_shift (_SD, Dest, Source, Merge, i, n, EndMask, Rotate);
31.Dest,26.Source,21.0b110001,15.Merge,12.0,11.i,10.n,9.EndMask,4.RotReg::::sl r
int endmask;
if (EndMask == 0)
endmask = EndMask;
else
{
if (Source & 1)
engine_error (SD, CPU, cia,
"0x%lx: Invalid source (%d) for shift",
cia.ip, Source);
endmask = GPR (Source + 1) & 31;
}
do_shift (_SD, Dest, Source, Merge, i, n, endmask, GPR (RotReg) & 31);
// sli.{d|e|i}{m|s|z} - see shift
// sr.{d|e|i}{m|s|z} - see shift
// sra - see sr.es - see shift
// sri.{d|e|i}{m|s|z} - see shift
// srl - see sr.ez
// st[{.b|.h|.d}]
void::function::do_st:int Source, unsigned32 Base, unsigned32 *rBase, int m , int sz, int S, unsigned32 Offset
unsigned32 addr;
switch (sz)
{
case 0:
addr = Base + (S ? (Offset << 0) : Offset);
STORE (addr, 1, GPR(Source));
break;
case 1:
addr = Base + (S ? (Offset << 1) : Offset);
STORE (addr, 2, GPR(Source));
break;
case 2:
addr = Base + (S ? (Offset << 2) : Offset);
STORE (addr, 4, GPR(Source));
break;
case 3:
if (Source & 0x1)
engine_error (SD, CPU, cia, "0x%lx: st.d with odd source register %d",
cia.ip, Source);
addr = Base + (S ? (Offset << 3) : Offset);
STORE (addr, 8, *(unsigned64*)&GPR(Source));
break;
default:
addr = -1;
engine_error (SD, CPU, cia, "st - invalid sz %d", sz);
}
if (m)
*rBase = addr;
TRACE_ST (MY_INDEX, m, S, Source, Base, Offset);
31.Source,26.Base,21.0b0110,17.m,16.sz,14.SignedOffset::::st i
do_st (_SD, Source, rBase, &GPR(Base), m, sz, 0, vSignedOffset);
31.Source,26.Base,21.0b110110,15.m,14.sz,12.0,11.S,10.0,9./,4.IndOff::::st r
do_st (_SD, Source, rBase, &GPR(Base), m, sz, S, rIndOff);
31.Source,26.Base,21.0b110110,15.m,14.sz,12.1,11.S,10.0,9./::::st l
long_immediate (LongSignedImmediateOffset);
do_st (_SD, Source, rBase, &GPR(Base), m, sz, S, LongSignedImmediateOffset);
// sub
void::function::do_sub:signed32 *rDest, signed32 Source1, signed32 Source2
ALU_BEGIN (Source1);
ALU_SUB (Source2);
ALU_END (*rDest);
TRACE_ALU3 (MY_INDEX, *rDest, Source1, Source2);
31.Dest,26.Source2,21.0b101101,15.0,14.SignedImmediate::::sub i
do_sub (_SD, rDest, vSource1, rSource2);
31.Dest,26.Source2,21.0b11101101,13.0,12.0,11./,4.Source1::::sub r
do_sub (_SD, rDest, rSource1, rSource2);
31.Dest,26.Source2,21.0b11101101,13.0,12.1,11./::::sub l
long_immediate (LongSignedImmediate);
do_sub (_SD, rDest, LongSignedImmediate, rSource2);
// subu
void::function::do_subu:signed32 *rDest, signed32 Source1, signed32 Source2
unsigned32 result = Source1 - Source2;
TRACE_ALU3 (MY_INDEX, result, Source1, Source2);
*rDest = result;
// NOTE - the book has 15.1 which conflicts with subu.
31.Dest,26.Source2,21.0b101101,15.1,14.SignedImmediate::::subu i
do_subu (_SD, rDest, vSource1, rSource2);
31.Dest,26.Source2,21.0b11101101,13.1,12.0,11./,4.Source1::::subu r
do_subu (_SD, rDest, rSource1, rSource2);
31.Dest,26.Source2,21.0b11101101,13.1,12.1,11./::::subu l
long_immediate (LongSignedImmediate);
do_subu (_SD, rDest, LongSignedImmediate, rSource2);
// swcr
void::function::do_swcr:int Dest, signed32 rSource, signed32 cr
tic80_control_regs reg = tic80_index2cr (cr);
/* cache the old CR value */
unsigned32 old_cr = CR (cr);
/* Handle the write if allowed */
if (cr >= 0x4000 || !(CPU)->is_user_mode)
switch (reg)
{
case INTPEN_CR:
CR (cr) &= ~rSource;
break;
default:
CR (cr) = rSource;
break;
}
/* Finish off the read */
GPR (Dest) = old_cr;
TRACE_SINK3 (MY_INDEX, rSource, cr, Dest);
31.Dest,26.Source,21.0b000010,15.1,14.UCRN::::swcr i
do_swcr (_SD, Dest, rSource, UCRN);
31.Dest,26.Source,21.0b11000010,13.1,12.0,11./,4.INDCR::::swcr r
do_swcr (_SD, Dest, rSource, UCRN);
31.Dest,26.Source,21.0b11000010,13.1,12.1,11./::::swcr l
long_immediate (LongUnsignedControlRegister);
do_swcr (_SD, Dest, rSource, LongUnsignedControlRegister);
// trap
void::function::do_trap:unsigned32 trap_number
TRACE_SINK1 (MY_INDEX, trap_number);
switch (trap_number)
{
case 72:
switch (GPR(15))
{
case 1: /* EXIT */
{
engine_halt (SD, CPU, cia, sim_exited, GPR(2));
break;
}
case 4: /* WRITE */
{
int i;
if (GPR(2) == 1)
for (i = 0; i < GPR(6); i++)
{
char c;
c = MEM (unsigned, GPR(4) + i, 1);
sim_io_write_stdout (SD, &c, 1);
}
else if (GPR(2) == 2)
for (i = 0; i < GPR(6); i++)
{
char c;
c = MEM (unsigned, GPR(4) + i, 1);
sim_io_write_stderr (SD, &c, 1);
}
else
engine_error (SD, CPU, cia,
"0x%lx: write to invalid fid %d",
(unsigned long) cia.ip, GPR(2));
GPR(2) = GPR(6);
break;
}
default:
engine_error (SD, CPU, cia,
"0x%lx: unknown syscall %d",
(unsigned long) cia.ip, GPR(15));
}
break;
case 73:
engine_halt (SD, CPU, cia, sim_stopped, SIGTRAP);
default:
engine_error (SD, CPU, cia,
"0x%lx: unsupported trap %d",
(unsigned long) cia.ip, trap_number);
}
31./,27.0,26./,21.0b0000001,14.UTN::::trap i
do_trap (_SD, UTN);
31./,27.0,26./,21.0b110000001,12.0,11./,4.INDTR::::trap r
do_trap (_SD, UTN);
31./,27.0,26./,21.0b110000001,12.1,11./::::trap l
long_immediate (UTN);
do_trap (_SD, UTN);
// vadd.{s|d}{s|d}
31.*,26.Dest,21.0b11110,16./,15.0b000,12.0,11./,10.*,9.*,7.PD,6.*,5.P1,4.Source::f::vadd r
31.*,26.Dest,21.0b11110,16./,15.0b000,12.1,11./,10.*,9.*,7.PD,6.*,5.P1,4.Source::f::vadd l
// vld{0|1}.{s|d} - see above - same instruction
#31.Dest,26.*,21.0b11110,16.*,10.1,9.S,8.*,6.p,7.******::f::vld
// vmac.ss{s|d}
#31.*, 26.Source2,21.0b11110,16.a0,15.0b110,12.0,11.a1,10.*,9.*, 8.Z,7./,6.*,5./,4.Source1::f::vmac.ss ra
31.Dest,26.Source2,21.0b11110,16.a0,15.0b110,12.0,11.a1,10.0,9.PD,8.Z,7./,6.0,5./,4.Source1::f::vmac.ss rr
#31.*, 26.Source2,21.0b11110,16.a0,15.0b110,12.1,11.a1,10.*,9.*, 8.Z,7./,6.*,5./,4./::f::vmac.ss ia
31.Dest,26.Source2,21.0b11110,16.a0,15.0b110,12.1,11.a1,10.0,9.PD,8.Z,7./,6.0,5./,4./::f::vmac.ss ir
// vmpy.{s|d}{s|d}
31.*,26.Dest,21.0b11110,16./,15.0b010,12.0,11./,10.*,8.*,7.PD,6.*,5.P1,4.Source::f::vmpy r
31.*,26.Dest,21.0b11110,16./,15.0b010,12.1,11./,10.*,8.*,7.PD,6.*,5.P1,4./::f::vmpy l
// vmsc.ss{s|d}
#31.*, 26.Source2,21.0b11110,16.a0,15.0b111,12.0,11.a1,10.*,9.*, 8.Z,7./,6.*,5./,4.Source1::f::vmsc.ss ra
31.Dest,26.Source2,21.0b11110,16.a0,15.0b111,12.0,11.a1,10.0,9.PD,8.Z,7./,6.0,5./,4.Source1::f::vmsc.ss rr
#31.*, 26.Source2,21.0b11110,16.a0,15.0b111,12.1,11.a1,10.*,9.*, 8.Z,7./,6.*,5./,4./::f::vmsc.ss ia
31.Dest,26.Source2,21.0b11110,16.a0,15.0b111,12.1,11.a1,10.0,9.PD,8.Z,7./,6.0,5./,4./::f::vmsc.ss ir
// vmsub.{s|d}{s|d}
31.*,26.Dest,21.0b11110,16.a0,15.0b011,12.0,11.a1,10.*,8.Z,7.PD,6.*,5./,4.Source::f::vmsub r
31.*,26.Dest,21.0b11110,16.a0,15.0b011,12.1,11.a1,10.*,8.Z,7.PD,6.*,5./,4./::f::vmsub l
// vrnd.{s|d}{s|d}
31.*,26.Dest,21.0b11110,16.a0,15.0b100,12.0,11.a1,10.*,8.PD,6.*,5.P1,4.Source::f::vrnd f r
31.*,26.Dest,21.0b11110,16.a0,15.0b100,12.1,11.a1,10.*,8.PD,6.*,5.P1,4./::f::vrnd f l
// vrnd.{i|u}{s|d}
31.*,26.Dest,21.0b11110,16./,15.0b101,12.0,11./,10.*,8./,7.PD,6.*,5.P1,4.Source::f::vrnd i r
31.*,26.Dest,21.0b11110,16./,15.0b101,12.1,11./,10.*,8./,7.PD,6.*,5.P1,4./::f::vrnd i l
// vst.{s|d} - see above - same instruction
#31.Source,26.*,21.0b11110,16.*,10.0,9.S,8.*,6.1,5.*::f::vst
// vsub.{i|u}{s|d}
31.*,26.Dest,21.0b11110,16./,15.0b001,12.0,11./,10.*,8./,7.PD,6.*,5.P1,4.Source::f::vsub r
31.*,26.Dest,21.0b11110,16./,15.0b001,12.1,11./,10.*,8./,7.PD,6.*,5.P1,4./::f::vsub l
// wrcr - see swcr, creg, source, r0
// xnor
void::function::do_xnor:signed32 *rDest, signed32 Source1, signed32 Source2
unsigned32 result = ~ (Source1 ^ Source2);
TRACE_ALU3 (MY_INDEX, result, Source1, Source2);
*rDest = result;
31.Dest,26.Source2,21.0b0011001,14.UnsignedImmediate::::xnor i
do_xnor (_SD, rDest, vSource1, rSource2);
31.Dest,26.Source2,21.0b110011001,12.0,11./,4.Source1::::xnor r
do_xnor (_SD, rDest, rSource1, rSource2);
31.Dest,26.Source2,21.0b110011001,12.1,11./::::xnor l
long_immediate (LongUnsignedImmediate);
do_xnor (_SD, rDest, LongUnsignedImmediate, rSource2);
// xor
void::function::do_xor:signed32 *rDest, signed32 Source1, signed32 Source2
unsigned32 result = Source1 ^ Source2;
TRACE_ALU3 (MY_INDEX, result, Source1, Source2);
*rDest = result;
31.Dest,26.Source2,21.0b0010110,14.UnsignedImmediate::::xor i
do_xor (_SD, rDest, vSource1, rSource2);
31.Dest,26.Source2,21.0b110010110,13.0,12.0,11./,4.Source1::::xor r
do_xor (_SD, rDest, rSource1, rSource2);
31.Dest,26.Source2,21.0b110010110,13.0,12.1,11./::::xor l
long_immediate (LongUnsignedImmediate);
do_xor (_SD, rDest, LongUnsignedImmediate, rSource2);
Reference in a new issue View git blame Copy permalink