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Projet_SETI_RISC-V/riscv-gnu-toolchain/gdb/sim/frv/profile-fr550.c

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projet
2023-03-06 14:48:14 +01:00
/* frv simulator fr550 dependent profiling code.
Copyright (C) 2003-2022 Free Software Foundation, Inc.
Contributed by Red Hat
This file is part of the GNU simulators.
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 3 of the License, 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, see <http://www.gnu.org/licenses/>. */
/* This must come before any other includes. */
#include "defs.h"
#define WANT_CPU
#define WANT_CPU_FRVBF
#include "sim-main.h"
#include "bfd.h"
#if WITH_PROFILE_MODEL_P
#include "profile.h"
#include "profile-fr550.h"
/* Initialize cycle counting for an insn.
FIRST_P is non-zero if this is the first insn in a set of parallel
insns. */
void
fr550_model_insn_before (SIM_CPU *cpu, int first_p)
{
if (first_p)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
d->cur_fr_load = d->prev_fr_load;
d->cur_fr_complex_1 = d->prev_fr_complex_1;
d->cur_fr_complex_2 = d->prev_fr_complex_2;
d->cur_ccr_complex = d->prev_ccr_complex;
d->cur_acc_mmac = d->prev_acc_mmac;
}
}
/* Record the cycles computed for an insn.
LAST_P is non-zero if this is the last insn in a set of parallel insns,
and we update the total cycle count.
CYCLES is the cycle count of the insn. */
void
fr550_model_insn_after (SIM_CPU *cpu, int last_p, int cycles)
{
if (last_p)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
d->prev_fr_load = d->cur_fr_load;
d->prev_fr_complex_1 = d->cur_fr_complex_1;
d->prev_fr_complex_2 = d->cur_fr_complex_2;
d->prev_ccr_complex = d->cur_ccr_complex;
d->prev_acc_mmac = d->cur_acc_mmac;
}
}
static void fr550_reset_fr_flags (SIM_CPU *cpu, INT fr);
static void fr550_reset_ccr_flags (SIM_CPU *cpu, INT ccr);
static void fr550_reset_acc_flags (SIM_CPU *cpu, INT acc);
static void
set_use_is_fr_load (SIM_CPU *cpu, INT fr)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
fr550_reset_fr_flags (cpu, (fr));
d->cur_fr_load |= (((DI)1) << (fr));
}
static void
set_use_not_fr_load (SIM_CPU *cpu, INT fr)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
d->cur_fr_load &= ~(((DI)1) << (fr));
}
static int
use_is_fr_load (SIM_CPU *cpu, INT fr)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
return d->prev_fr_load & (((DI)1) << (fr));
}
static void
set_use_is_fr_complex_1 (SIM_CPU *cpu, INT fr)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
fr550_reset_fr_flags (cpu, (fr));
d->cur_fr_complex_1 |= (((DI)1) << (fr));
}
static void
set_use_not_fr_complex_1 (SIM_CPU *cpu, INT fr)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
d->cur_fr_complex_1 &= ~(((DI)1) << (fr));
}
static int
use_is_fr_complex_1 (SIM_CPU *cpu, INT fr)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
return d->prev_fr_complex_1 & (((DI)1) << (fr));
}
static void
set_use_is_fr_complex_2 (SIM_CPU *cpu, INT fr)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
fr550_reset_fr_flags (cpu, (fr));
d->cur_fr_complex_2 |= (((DI)1) << (fr));
}
static void
set_use_not_fr_complex_2 (SIM_CPU *cpu, INT fr)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
d->cur_fr_complex_2 &= ~(((DI)1) << (fr));
}
static int
use_is_fr_complex_2 (SIM_CPU *cpu, INT fr)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
return d->prev_fr_complex_2 & (((DI)1) << (fr));
}
static void
set_use_is_ccr_complex (SIM_CPU *cpu, INT ccr)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
fr550_reset_ccr_flags (cpu, (ccr));
d->cur_ccr_complex |= (((SI)1) << (ccr));
}
static void
set_use_not_ccr_complex (SIM_CPU *cpu, INT ccr)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
d->cur_ccr_complex &= ~(((SI)1) << (ccr));
}
#if 0
static int
use_is_ccr_complex (SIM_CPU *cpu, INT ccr)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
return d->prev_ccr_complex & (((SI)1) << (ccr));
}
#endif
static void
set_use_is_acc_mmac (SIM_CPU *cpu, INT acc)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
fr550_reset_acc_flags (cpu, (acc));
d->cur_acc_mmac |= (((DI)1) << (acc));
}
static void
set_use_not_acc_mmac (SIM_CPU *cpu, INT acc)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
d->cur_acc_mmac &= ~(((DI)1) << (acc));
}
static int
use_is_acc_mmac (SIM_CPU *cpu, INT acc)
{
MODEL_FR550_DATA *d = CPU_MODEL_DATA (cpu);
return d->prev_acc_mmac & (((DI)1) << (acc));
}
static void
fr550_reset_fr_flags (SIM_CPU *cpu, INT fr)
{
set_use_not_fr_load (cpu, fr);
set_use_not_fr_complex_1 (cpu, fr);
set_use_not_fr_complex_2 (cpu, fr);
}
static void
fr550_reset_ccr_flags (SIM_CPU *cpu, INT ccr)
{
set_use_not_ccr_complex (cpu, ccr);
}
static void
fr550_reset_acc_flags (SIM_CPU *cpu, INT acc)
{
set_use_not_acc_mmac (cpu, acc);
}
/* Detect overlap between two register ranges. Works if one of the registers
is -1 with width 1 (i.e. undefined), but not both. */
#define REG_OVERLAP(r1, w1, r2, w2) ( \
(r1) + (w1) - 1 >= (r2) && (r2) + (w2) - 1 >= (r1) \
)
/* Latency of floating point registers may be less than recorded when followed
by another floating point insn. */
static void
adjust_float_register_busy (SIM_CPU *cpu,
INT in_FRi, int iwidth,
INT in_FRj, int jwidth,
INT out_FRk, int kwidth)
{
int i;
/* The latency of FRk may be less than previously recorded.
See Table 14-15 in the LSI. */
if (in_FRi >= 0)
{
for (i = 0; i < iwidth; ++i)
{
if (! REG_OVERLAP (in_FRi + i, 1, out_FRk, kwidth))
{
if (use_is_fr_load (cpu, in_FRi + i))
decrease_FR_busy (cpu, in_FRi + i, 1);
else
enforce_full_fr_latency (cpu, in_FRi + i);
}
}
}
if (in_FRj >= 0)
{
for (i = 0; i < jwidth; ++i)
{
if (! REG_OVERLAP (in_FRj + i, 1, in_FRi, iwidth)
&& ! REG_OVERLAP (in_FRj + i, 1, out_FRk, kwidth))
{
if (use_is_fr_load (cpu, in_FRj + i))
decrease_FR_busy (cpu, in_FRj + i, 1);
else
enforce_full_fr_latency (cpu, in_FRj + i);
}
}
}
if (out_FRk >= 0)
{
for (i = 0; i < kwidth; ++i)
{
if (! REG_OVERLAP (out_FRk + i, 1, in_FRi, iwidth)
&& ! REG_OVERLAP (out_FRk + i, 1, in_FRj, jwidth))
{
if (use_is_fr_complex_1 (cpu, out_FRk + i))
decrease_FR_busy (cpu, out_FRk + i, 1);
else if (use_is_fr_complex_2 (cpu, out_FRk + i))
decrease_FR_busy (cpu, out_FRk + i, 2);
else
enforce_full_fr_latency (cpu, out_FRk + i);
}
}
}
}
static void
restore_float_register_busy (SIM_CPU *cpu,
INT in_FRi, int iwidth,
INT in_FRj, int jwidth,
INT out_FRk, int kwidth)
{
int i;
/* The latency of FRk may be less than previously recorded.
See Table 14-15 in the LSI. */
if (in_FRi >= 0)
{
for (i = 0; i < iwidth; ++i)
{
if (! REG_OVERLAP (in_FRi + i, 1, out_FRk, kwidth))
if (use_is_fr_load (cpu, in_FRi + i))
increase_FR_busy (cpu, in_FRi + i, 1);
}
}
if (in_FRj >= 0)
{
for (i = 0; i < jwidth; ++i)
{
if (! REG_OVERLAP (in_FRj + i, 1, in_FRi, iwidth)
&& ! REG_OVERLAP (in_FRj + i, 1, out_FRk, kwidth))
if (use_is_fr_load (cpu, in_FRj + i))
increase_FR_busy (cpu, in_FRj + i, 1);
}
}
if (out_FRk >= 0)
{
for (i = 0; i < kwidth; ++i)
{
if (! REG_OVERLAP (out_FRk + i, 1, in_FRi, iwidth)
&& ! REG_OVERLAP (out_FRk + i, 1, in_FRj, jwidth))
{
if (use_is_fr_complex_1 (cpu, out_FRk + i))
increase_FR_busy (cpu, out_FRk + i, 1);
else if (use_is_fr_complex_2 (cpu, out_FRk + i))
increase_FR_busy (cpu, out_FRk + i, 2);
}
}
}
}
/* Latency of floating point registers may be less than recorded when used in a
media insns and followed by another media insn. */
static void
adjust_float_register_busy_for_media (SIM_CPU *cpu,
INT in_FRi, int iwidth,
INT in_FRj, int jwidth,
INT out_FRk, int kwidth)
{
int i;
/* The latency of FRk may be less than previously recorded.
See Table 14-15 in the LSI. */
if (out_FRk >= 0)
{
for (i = 0; i < kwidth; ++i)
{
if (! REG_OVERLAP (out_FRk + i, 1, in_FRi, iwidth)
&& ! REG_OVERLAP (out_FRk + i, 1, in_FRj, jwidth))
{
if (use_is_fr_complex_1 (cpu, out_FRk + i))
decrease_FR_busy (cpu, out_FRk + i, 1);
else
enforce_full_fr_latency (cpu, out_FRk + i);
}
}
}
}
static void
restore_float_register_busy_for_media (SIM_CPU *cpu,
INT in_FRi, int iwidth,
INT in_FRj, int jwidth,
INT out_FRk, int kwidth)
{
int i;
if (out_FRk >= 0)
{
for (i = 0; i < kwidth; ++i)
{
if (! REG_OVERLAP (out_FRk + i, 1, in_FRi, iwidth)
&& ! REG_OVERLAP (out_FRk + i, 1, in_FRj, jwidth))
{
if (use_is_fr_complex_1 (cpu, out_FRk + i))
increase_FR_busy (cpu, out_FRk + i, 1);
}
}
}
}
/* Latency of accumulator registers may be less than recorded when used in a
media insns and followed by another media insn. */
static void
adjust_acc_busy_for_mmac (SIM_CPU *cpu,
INT in_ACC, int inwidth,
INT out_ACC, int outwidth)
{
int i;
/* The latency of an accumulator may be less than previously recorded.
See Table 14-15 in the LSI. */
if (in_ACC >= 0)
{
for (i = 0; i < inwidth; ++i)
{
if (use_is_acc_mmac (cpu, in_ACC + i))
decrease_ACC_busy (cpu, in_ACC + i, 1);
else
enforce_full_acc_latency (cpu, in_ACC + i);
}
}
if (out_ACC >= 0)
{
for (i = 0; i < outwidth; ++i)
{
if (! REG_OVERLAP (out_ACC + i, 1, in_ACC, inwidth))
{
if (use_is_acc_mmac (cpu, out_ACC + i))
decrease_ACC_busy (cpu, out_ACC + i, 1);
else
enforce_full_acc_latency (cpu, out_ACC + i);
}
}
}
}
static void
restore_acc_busy_for_mmac (SIM_CPU *cpu,
INT in_ACC, int inwidth,
INT out_ACC, int outwidth)
{
int i;
if (in_ACC >= 0)
{
for (i = 0; i < inwidth; ++i)
{
if (use_is_acc_mmac (cpu, in_ACC + i))
increase_ACC_busy (cpu, in_ACC + i, 1);
}
}
if (out_ACC >= 0)
{
for (i = 0; i < outwidth; ++i)
{
if (! REG_OVERLAP (out_ACC + i, 1, in_ACC, inwidth))
{
if (use_is_acc_mmac (cpu, out_ACC + i))
increase_ACC_busy (cpu, out_ACC + i, 1);
}
}
}
}
int
frvbf_model_fr550_u_exec (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced)
{
return idesc->timing->units[unit_num].done;
}
int
frvbf_model_fr550_u_integer (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj, INT out_GRk,
INT out_ICCi_1)
{
int cycles;
/* icc0-icc4 are the upper 4 fields of the CCR. */
if (out_ICCi_1 >= 0)
out_ICCi_1 += 4;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
vliw_wait_for_GR (cpu, out_GRk);
vliw_wait_for_CCR (cpu, out_ICCi_1);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
load_wait_for_GR (cpu, out_GRk);
trace_vliw_wait_cycles (cpu);
return 0;
}
fr550_reset_ccr_flags (cpu, out_ICCi_1);
/* GRk is available immediately to the next VLIW insn as is ICCi_1. */
cycles = idesc->timing->units[unit_num].done;
return cycles;
}
int
frvbf_model_fr550_u_imul (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj, INT out_GRk, INT out_ICCi_1)
{
int cycles;
/* icc0-icc4 are the upper 4 fields of the CCR. */
if (out_ICCi_1 >= 0)
out_ICCi_1 += 4;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
vliw_wait_for_GRdouble (cpu, out_GRk);
vliw_wait_for_CCR (cpu, out_ICCi_1);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
load_wait_for_GRdouble (cpu, out_GRk);
trace_vliw_wait_cycles (cpu);
return 0;
}
/* GRk has a latency of 1 cycles. */
cycles = idesc->timing->units[unit_num].done;
update_GRdouble_latency (cpu, out_GRk, cycles + 1);
/* ICCi_1 has a latency of 1 cycle. */
update_CCR_latency (cpu, out_ICCi_1, cycles + 1);
fr550_reset_ccr_flags (cpu, out_ICCi_1);
return cycles;
}
int
frvbf_model_fr550_u_idiv (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj, INT out_GRk, INT out_ICCi_1)
{
int cycles;
FRV_VLIW *vliw;
int slot;
/* icc0-icc4 are the upper 4 fields of the CCR. */
if (out_ICCi_1 >= 0)
out_ICCi_1 += 4;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_I0;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
vliw_wait_for_GR (cpu, out_GRk);
vliw_wait_for_CCR (cpu, out_ICCi_1);
vliw_wait_for_idiv_resource (cpu, slot);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
load_wait_for_GR (cpu, out_GRk);
trace_vliw_wait_cycles (cpu);
return 0;
}
/* GRk has a latency of 18 cycles! */
cycles = idesc->timing->units[unit_num].done;
update_GR_latency (cpu, out_GRk, cycles + 18);
/* ICCi_1 has a latency of 18 cycles. */
update_CCR_latency (cpu, out_ICCi_1, cycles + 18);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
/* GNER has a latency of 18 cycles. */
update_SPR_latency (cpu, GNER_FOR_GR (out_GRk), cycles + 18);
}
/* the idiv resource has a latency of 18 cycles! */
update_idiv_resource_latency (cpu, slot, cycles + 18);
fr550_reset_ccr_flags (cpu, out_ICCi_1);
return cycles;
}
int
frvbf_model_fr550_u_branch (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj,
INT in_ICCi_2, INT in_FCCi_2)
{
int cycles;
FRV_PROFILE_STATE *ps;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* icc0-icc4 are the upper 4 fields of the CCR. */
if (in_ICCi_2 >= 0)
in_ICCi_2 += 4;
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
vliw_wait_for_CCR (cpu, in_ICCi_2);
vliw_wait_for_CCR (cpu, in_FCCi_2);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
trace_vliw_wait_cycles (cpu);
return 0;
}
/* When counting branches taken or not taken, don't consider branches after
the first taken branch in a vliw insn. */
ps = CPU_PROFILE_STATE (cpu);
if (! ps->vliw_branch_taken)
{
/* (1 << 4): The pc is the 5th element in inputs, outputs.
??? can be cleaned up */
PROFILE_DATA *p = CPU_PROFILE_DATA (cpu);
int taken = (referenced & (1 << 4)) != 0;
if (taken)
{
++PROFILE_MODEL_TAKEN_COUNT (p);
ps->vliw_branch_taken = 1;
}
else
++PROFILE_MODEL_UNTAKEN_COUNT (p);
}
cycles = idesc->timing->units[unit_num].done;
return cycles;
}
int
frvbf_model_fr550_u_trap (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj,
INT in_ICCi_2, INT in_FCCi_2)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* icc0-icc4 are the upper 4 fields of the CCR. */
if (in_ICCi_2 >= 0)
in_ICCi_2 += 4;
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
vliw_wait_for_CCR (cpu, in_ICCi_2);
vliw_wait_for_CCR (cpu, in_FCCi_2);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
trace_vliw_wait_cycles (cpu);
return 0;
}
cycles = idesc->timing->units[unit_num].done;
return cycles;
}
int
frvbf_model_fr550_u_check (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_ICCi_3, INT in_FCCi_3)
{
/* Modelling for this unit is the same as for fr500. */
return frvbf_model_fr500_u_check (cpu, idesc, unit_num, referenced,
in_ICCi_3, in_FCCi_3);
}
int
frvbf_model_fr550_u_set_hilo (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT out_GRkhi, INT out_GRklo)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a GR
which is not ready yet. */
vliw_wait_for_GR (cpu, out_GRkhi);
vliw_wait_for_GR (cpu, out_GRklo);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, out_GRkhi);
load_wait_for_GR (cpu, out_GRklo);
trace_vliw_wait_cycles (cpu);
return 0;
}
/* GRk is available immediately to the next VLIW insn. */
cycles = idesc->timing->units[unit_num].done;
return cycles;
}
int
frvbf_model_fr550_u_gr_load (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj,
INT out_GRk, INT out_GRdoublek)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
vliw_wait_for_GR (cpu, out_GRk);
vliw_wait_for_GRdouble (cpu, out_GRdoublek);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
load_wait_for_GR (cpu, out_GRk);
load_wait_for_GRdouble (cpu, out_GRdoublek);
trace_vliw_wait_cycles (cpu);
return 0;
}
cycles = idesc->timing->units[unit_num].done;
/* The latency of GRk for a load will depend on how long it takes to retrieve
the the data from the cache or memory. */
update_GR_latency_for_load (cpu, out_GRk, cycles);
update_GRdouble_latency_for_load (cpu, out_GRdoublek, cycles);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
/* GNER has a latency of 2 cycles. */
update_SPR_latency (cpu, GNER_FOR_GR (out_GRk), cycles + 2);
update_SPR_latency (cpu, GNER_FOR_GR (out_GRdoublek), cycles + 2);
}
return cycles;
}
int
frvbf_model_fr550_u_gr_store (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj,
INT in_GRk, INT in_GRdoublek)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
vliw_wait_for_GR (cpu, in_GRk);
vliw_wait_for_GRdouble (cpu, in_GRdoublek);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
load_wait_for_GR (cpu, in_GRk);
load_wait_for_GRdouble (cpu, in_GRdoublek);
trace_vliw_wait_cycles (cpu);
return 0;
}
/* The target register is available immediately. */
cycles = idesc->timing->units[unit_num].done;
return cycles;
}
int
frvbf_model_fr550_u_fr_load (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj,
INT out_FRk, INT out_FRdoublek)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet.
The latency of the registers may be less than previously recorded,
depending on how they were used previously.
See Table 13-8 in the LSI. */
adjust_float_register_busy (cpu, -1, 1, -1, 1, out_FRk, 1);
adjust_float_register_busy (cpu, -1, 1, -1, 1, out_FRdoublek, 2);
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
vliw_wait_for_FR (cpu, out_FRk);
vliw_wait_for_FRdouble (cpu, out_FRdoublek);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
vliw_wait_for_SPR (cpu, FNER_FOR_FR (out_FRk));
vliw_wait_for_SPR (cpu, FNER_FOR_FR (out_FRdoublek));
}
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
load_wait_for_FR (cpu, out_FRk);
load_wait_for_FRdouble (cpu, out_FRdoublek);
trace_vliw_wait_cycles (cpu);
return 0;
}
cycles = idesc->timing->units[unit_num].done;
/* The latency of FRk for a load will depend on how long it takes to retrieve
the the data from the cache or memory. */
update_FR_latency_for_load (cpu, out_FRk, cycles);
update_FRdouble_latency_for_load (cpu, out_FRdoublek, cycles);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
/* FNER has a latency of 3 cycles. */
update_SPR_latency (cpu, FNER_FOR_FR (out_FRk), cycles + 3);
update_SPR_latency (cpu, FNER_FOR_FR (out_FRdoublek), cycles + 3);
}
if (out_FRk >= 0)
set_use_is_fr_load (cpu, out_FRk);
if (out_FRdoublek >= 0)
{
set_use_is_fr_load (cpu, out_FRdoublek);
set_use_is_fr_load (cpu, out_FRdoublek + 1);
}
return cycles;
}
int
frvbf_model_fr550_u_fr_store (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj,
INT in_FRk, INT in_FRdoublek)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
adjust_float_register_busy (cpu, in_FRk, 1, -1, 1, -1, 1);
adjust_float_register_busy (cpu, in_FRdoublek, 2, -1, 1, -1, 1);
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
vliw_wait_for_FR (cpu, in_FRk);
vliw_wait_for_FRdouble (cpu, in_FRdoublek);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
load_wait_for_FR (cpu, in_FRk);
load_wait_for_FRdouble (cpu, in_FRdoublek);
trace_vliw_wait_cycles (cpu);
return 0;
}
/* The target register is available immediately. */
cycles = idesc->timing->units[unit_num].done;
return cycles;
}
int
frvbf_model_fr550_u_ici (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
trace_vliw_wait_cycles (cpu);
return 0;
}
cycles = idesc->timing->units[unit_num].done;
request_cache_invalidate (cpu, CPU_INSN_CACHE (cpu), cycles);
return cycles;
}
int
frvbf_model_fr550_u_dci (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
trace_vliw_wait_cycles (cpu);
return 0;
}
cycles = idesc->timing->units[unit_num].done;
request_cache_invalidate (cpu, CPU_DATA_CACHE (cpu), cycles);
return cycles;
}
int
frvbf_model_fr550_u_dcf (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
trace_vliw_wait_cycles (cpu);
return 0;
}
cycles = idesc->timing->units[unit_num].done;
request_cache_flush (cpu, CPU_DATA_CACHE (cpu), cycles);
return cycles;
}
int
frvbf_model_fr550_u_icpl (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
trace_vliw_wait_cycles (cpu);
return 0;
}
cycles = idesc->timing->units[unit_num].done;
request_cache_preload (cpu, CPU_INSN_CACHE (cpu), cycles);
return cycles;
}
int
frvbf_model_fr550_u_dcpl (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
trace_vliw_wait_cycles (cpu);
return 0;
}
cycles = idesc->timing->units[unit_num].done;
request_cache_preload (cpu, CPU_DATA_CACHE (cpu), cycles);
return cycles;
}
int
frvbf_model_fr550_u_icul (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
trace_vliw_wait_cycles (cpu);
return 0;
}
cycles = idesc->timing->units[unit_num].done;
request_cache_unlock (cpu, CPU_INSN_CACHE (cpu), cycles);
return cycles;
}
int
frvbf_model_fr550_u_dcul (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
trace_vliw_wait_cycles (cpu);
return 0;
}
cycles = idesc->timing->units[unit_num].done;
request_cache_unlock (cpu, CPU_DATA_CACHE (cpu), cycles);
return cycles;
}
int
frvbf_model_fr550_u_float_arith (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRi, INT in_FRj,
INT in_FRdoublei, INT in_FRdoublej,
INT out_FRk, INT out_FRdoublek)
{
int cycles;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
adjust_float_register_busy (cpu, in_FRi, 1, in_FRj, 1, out_FRk, 1);
adjust_float_register_busy (cpu, in_FRdoublei, 2, in_FRdoublej, 2, out_FRdoublek, 2);
ps = CPU_PROFILE_STATE (cpu);
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_float (cpu, slot);
post_wait_for_FR (cpu, in_FRi);
post_wait_for_FR (cpu, in_FRj);
post_wait_for_FR (cpu, out_FRk);
post_wait_for_FRdouble (cpu, in_FRdoublei);
post_wait_for_FRdouble (cpu, in_FRdoublej);
post_wait_for_FRdouble (cpu, out_FRdoublek);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRk));
post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRdoublek));
}
restore_float_register_busy (cpu, in_FRi, 1, in_FRj, 1, out_FRk, 1);
restore_float_register_busy (cpu, in_FRdoublei, 2, in_FRdoublej, 2, out_FRdoublek, 2);
/* The latency of FRk will be at least the latency of the other inputs. */
update_FR_latency (cpu, out_FRk, ps->post_wait);
update_FRdouble_latency (cpu, out_FRdoublek, ps->post_wait);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
update_SPR_latency (cpu, FNER_FOR_FR (out_FRk), ps->post_wait);
update_SPR_latency (cpu, FNER_FOR_FR (out_FRdoublek), ps->post_wait);
}
/* Once initiated, post-processing will take 2 cycles. */
update_FR_ptime (cpu, out_FRk, 2);
update_FRdouble_ptime (cpu, out_FRdoublek, 2);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
update_SPR_ptime (cpu, FNER_FOR_FR (out_FRk), 2);
update_SPR_ptime (cpu, FNER_FOR_FR (out_FRdoublek), 2);
}
/* Mark this use of the register as a floating point op. */
if (out_FRk >= 0)
set_use_is_fr_complex_2 (cpu, out_FRk);
if (out_FRdoublek >= 0)
{
set_use_is_fr_complex_2 (cpu, out_FRdoublek);
if (out_FRdoublek < 63)
set_use_is_fr_complex_2 (cpu, out_FRdoublek + 1);
}
/* the media point unit resource has a latency of 4 cycles */
update_media_resource_latency (cpu, slot, cycles + 4);
return cycles;
}
int
frvbf_model_fr550_u_float_dual_arith (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRi, INT in_FRj,
INT in_FRdoublei, INT in_FRdoublej,
INT out_FRk, INT out_FRdoublek)
{
int cycles;
INT dual_FRi;
INT dual_FRj;
INT dual_FRk;
INT dual_FRdoublei;
INT dual_FRdoublej;
INT dual_FRdoublek;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
dual_FRi = DUAL_REG (in_FRi);
dual_FRj = DUAL_REG (in_FRj);
dual_FRk = DUAL_REG (out_FRk);
dual_FRdoublei = DUAL_DOUBLE (in_FRdoublei);
dual_FRdoublej = DUAL_DOUBLE (in_FRdoublej);
dual_FRdoublek = DUAL_DOUBLE (out_FRdoublek);
adjust_float_register_busy (cpu, in_FRi, 2, in_FRj, 2, out_FRk, 2);
adjust_float_register_busy (cpu, in_FRdoublei, 4, in_FRdoublej, 4, out_FRdoublek, 4);
ps = CPU_PROFILE_STATE (cpu);
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_float (cpu, slot);
post_wait_for_FR (cpu, in_FRi);
post_wait_for_FR (cpu, in_FRj);
post_wait_for_FR (cpu, out_FRk);
post_wait_for_FR (cpu, dual_FRi);
post_wait_for_FR (cpu, dual_FRj);
post_wait_for_FR (cpu, dual_FRk);
post_wait_for_FRdouble (cpu, in_FRdoublei);
post_wait_for_FRdouble (cpu, in_FRdoublej);
post_wait_for_FRdouble (cpu, out_FRdoublek);
post_wait_for_FRdouble (cpu, dual_FRdoublei);
post_wait_for_FRdouble (cpu, dual_FRdoublej);
post_wait_for_FRdouble (cpu, dual_FRdoublek);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRk));
post_wait_for_SPR (cpu, FNER_FOR_FR (dual_FRk));
post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRdoublek));
post_wait_for_SPR (cpu, FNER_FOR_FR (dual_FRdoublek));
}
restore_float_register_busy (cpu, in_FRi, 2, in_FRj, 2, out_FRk, 2);
restore_float_register_busy (cpu, in_FRdoublei, 4, in_FRdoublej, 4, out_FRdoublek, 4);
/* The latency of FRk will be at least the latency of the other inputs. */
update_FR_latency (cpu, out_FRk, ps->post_wait);
update_FR_latency (cpu, dual_FRk, ps->post_wait);
update_FRdouble_latency (cpu, out_FRdoublek, ps->post_wait);
update_FRdouble_latency (cpu, dual_FRdoublek, ps->post_wait);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
update_SPR_latency (cpu, FNER_FOR_FR (out_FRk), ps->post_wait);
update_SPR_latency (cpu, FNER_FOR_FR (dual_FRk), ps->post_wait);
update_SPR_latency (cpu, FNER_FOR_FR (out_FRdoublek), ps->post_wait);
update_SPR_latency (cpu, FNER_FOR_FR (dual_FRdoublek), ps->post_wait);
}
/* Once initiated, post-processing will take 3 cycles. */
update_FR_ptime (cpu, out_FRk, 3);
update_FR_ptime (cpu, dual_FRk, 3);
update_FRdouble_ptime (cpu, out_FRdoublek, 3);
update_FRdouble_ptime (cpu, dual_FRdoublek, 3);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
update_SPR_ptime (cpu, FNER_FOR_FR (out_FRk), 3);
update_SPR_ptime (cpu, FNER_FOR_FR (dual_FRk), 3);
update_SPR_ptime (cpu, FNER_FOR_FR (out_FRdoublek), 3);
update_SPR_ptime (cpu, FNER_FOR_FR (dual_FRdoublek), 3);
}
/* Mark this use of the register as a floating point op. */
if (out_FRk >= 0)
fr550_reset_fr_flags (cpu, out_FRk);
if (dual_FRk >= 0)
fr550_reset_fr_flags (cpu, dual_FRk);
if (out_FRdoublek >= 0)
{
fr550_reset_fr_flags (cpu, out_FRdoublek);
if (out_FRdoublek < 63)
fr550_reset_fr_flags (cpu, out_FRdoublek + 1);
}
if (dual_FRdoublek >= 0)
{
fr550_reset_fr_flags (cpu, dual_FRdoublek);
if (dual_FRdoublek < 63)
fr550_reset_fr_flags (cpu, dual_FRdoublek + 1);
}
/* the media point unit resource has a latency of 5 cycles */
update_media_resource_latency (cpu, slot, cycles + 5);
return cycles;
}
int
frvbf_model_fr550_u_float_div (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRi, INT in_FRj, INT out_FRk)
{
int cycles;
FRV_VLIW *vliw;
int slot;
FRV_PROFILE_STATE *ps;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
cycles = idesc->timing->units[unit_num].done;
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
adjust_float_register_busy (cpu, in_FRi, 1, in_FRj, 1, out_FRk, 1);
ps = CPU_PROFILE_STATE (cpu);
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_float (cpu, slot);
post_wait_for_fdiv (cpu, slot);
post_wait_for_FR (cpu, in_FRi);
post_wait_for_FR (cpu, in_FRj);
post_wait_for_FR (cpu, out_FRk);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRk));
restore_float_register_busy (cpu, in_FRi, 1, in_FRj, 1, out_FRk, 1);
/* The latency of FRk will be at least the latency of the other inputs. */
/* Once initiated, post-processing will take 9 cycles. */
update_FR_latency (cpu, out_FRk, ps->post_wait);
update_FR_ptime (cpu, out_FRk, 9);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
/* FNER has a latency of 9 cycles. */
update_SPR_latency (cpu, FNER_FOR_FR (out_FRk), ps->post_wait);
update_SPR_ptime (cpu, FNER_FOR_FR (out_FRk), 9);
}
/* The latency of the fdiv unit will be at least the latency of the other
inputs. Once initiated, post-processing will take 9 cycles. */
update_fdiv_resource_latency (cpu, slot, ps->post_wait + 9);
/* the media point unit resource has a latency of 11 cycles */
update_media_resource_latency (cpu, slot, cycles + 11);
fr550_reset_fr_flags (cpu, out_FRk);
return cycles;
}
int
frvbf_model_fr550_u_float_sqrt (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRj, INT in_FRdoublej,
INT out_FRk, INT out_FRdoublek)
{
int cycles;
FRV_VLIW *vliw;
int slot;
FRV_PROFILE_STATE *ps;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
cycles = idesc->timing->units[unit_num].done;
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
adjust_float_register_busy (cpu, -1, 1, in_FRj, 1, out_FRk, 1);
adjust_float_register_busy (cpu, -1, 1, in_FRdoublej, 2, out_FRdoublek, 2);
ps = CPU_PROFILE_STATE (cpu);
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_float (cpu, slot);
post_wait_for_fsqrt (cpu, slot);
post_wait_for_FR (cpu, in_FRj);
post_wait_for_FR (cpu, out_FRk);
post_wait_for_FRdouble (cpu, in_FRdoublej);
post_wait_for_FRdouble (cpu, out_FRdoublek);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRk));
post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRdoublek));
}
restore_float_register_busy (cpu, -1, 1, in_FRj, 1, out_FRk, 1);
restore_float_register_busy (cpu, -1, 1, in_FRdoublej, 2, out_FRdoublek, 2);
/* The latency of FRk will be at least the latency of the other inputs. */
update_FR_latency (cpu, out_FRk, ps->post_wait);
update_FRdouble_latency (cpu, out_FRdoublek, ps->post_wait);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
/* FNER has a latency of 14 cycles. */
update_SPR_latency (cpu, FNER_FOR_FR (out_FRk), ps->post_wait);
update_SPR_latency (cpu, FNER_FOR_FR (out_FRdoublek), ps->post_wait);
}
/* Once initiated, post-processing will take 14 cycles. */
update_FR_ptime (cpu, out_FRk, 14);
update_FRdouble_ptime (cpu, out_FRdoublek, 14);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
/* FNER has a latency of 14 cycles. */
update_SPR_ptime (cpu, FNER_FOR_FR (out_FRk), 14);
update_SPR_ptime (cpu, FNER_FOR_FR (out_FRdoublek), 14);
}
/* The latency of the sqrt unit will be the latency of the other
inputs plus 14 cycles. */
update_fsqrt_resource_latency (cpu, slot, ps->post_wait + 14);
fr550_reset_fr_flags (cpu, out_FRk);
if (out_FRdoublek != -1)
{
fr550_reset_fr_flags (cpu, out_FRdoublek);
fr550_reset_fr_flags (cpu, out_FRdoublek + 1);
}
/* the media point unit resource has a latency of 16 cycles */
update_media_resource_latency (cpu, slot, cycles + 16);
return cycles;
}
int
frvbf_model_fr550_u_float_compare (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRi, INT in_FRj,
INT in_FRdoublei, INT in_FRdoublej,
INT out_FCCi_2)
{
int cycles;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
adjust_float_register_busy (cpu, in_FRi, 1, in_FRj, 1, -1, 1);
adjust_float_register_busy (cpu, in_FRdoublei, 2, in_FRdoublej, 2, -1, 1);
ps = CPU_PROFILE_STATE (cpu);
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_float (cpu, slot);
post_wait_for_FR (cpu, in_FRi);
post_wait_for_FR (cpu, in_FRj);
post_wait_for_FRdouble (cpu, in_FRdoublei);
post_wait_for_FRdouble (cpu, in_FRdoublej);
post_wait_for_CCR (cpu, out_FCCi_2);
restore_float_register_busy (cpu, in_FRi, 1, in_FRj, 1, -1, 1);
restore_float_register_busy (cpu, in_FRdoublei, 2, in_FRdoublej, 2, -1, 1);
/* The latency of FCCi_2 will be the latency of the other inputs plus 2
cycles. */
update_CCR_latency (cpu, out_FCCi_2, ps->post_wait + 2);
/* the media point unit resource has a latency of 4 cycles */
update_media_resource_latency (cpu, slot, cycles + 4);
set_use_is_ccr_complex (cpu, out_FCCi_2);
return cycles;
}
int
frvbf_model_fr550_u_float_dual_compare (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRi, INT in_FRj,
INT out_FCCi_2)
{
int cycles;
INT dual_FRi;
INT dual_FRj;
INT dual_FCCi_2;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
ps = CPU_PROFILE_STATE (cpu);
ps->post_wait = cycles;
dual_FRi = DUAL_REG (in_FRi);
dual_FRj = DUAL_REG (in_FRj);
dual_FCCi_2 = out_FCCi_2 + 1;
adjust_float_register_busy (cpu, in_FRi, 2, in_FRj, 2, -1, 1);
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_float (cpu, slot);
post_wait_for_FR (cpu, in_FRi);
post_wait_for_FR (cpu, in_FRj);
post_wait_for_FR (cpu, dual_FRi);
post_wait_for_FR (cpu, dual_FRj);
post_wait_for_CCR (cpu, out_FCCi_2);
post_wait_for_CCR (cpu, dual_FCCi_2);
restore_float_register_busy (cpu, in_FRi, 2, in_FRj, 2, -1, 1);
/* The latency of FCCi_2 will be the latency of the other inputs plus 3
cycles. */
update_CCR_latency (cpu, out_FCCi_2, ps->post_wait + 3);
update_CCR_latency (cpu, dual_FCCi_2, ps->post_wait + 3);
set_use_is_ccr_complex (cpu, out_FCCi_2);
if (dual_FCCi_2 >= 0)
set_use_is_ccr_complex (cpu, dual_FCCi_2);
/* the media point unit resource has a latency of 5 cycles */
update_media_resource_latency (cpu, slot, cycles + 5);
return cycles;
}
int
frvbf_model_fr550_u_float_convert (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRj, INT in_FRintj, INT in_FRdoublej,
INT out_FRk, INT out_FRintk,
INT out_FRdoublek)
{
int cycles;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
ps = CPU_PROFILE_STATE (cpu);
ps->post_wait = cycles;
adjust_float_register_busy (cpu, -1, 1, in_FRj, 1, out_FRk, 1);
adjust_float_register_busy (cpu, -1, 1, in_FRintj, 1, out_FRintk, 1);
adjust_float_register_busy (cpu, -1, 1, in_FRdoublej, 2, out_FRdoublek, 2);
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_float (cpu, slot);
post_wait_for_FR (cpu, in_FRj);
post_wait_for_FR (cpu, in_FRintj);
post_wait_for_FRdouble (cpu, in_FRdoublej);
post_wait_for_FR (cpu, out_FRk);
post_wait_for_FR (cpu, out_FRintk);
post_wait_for_FRdouble (cpu, out_FRdoublek);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRk));
post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRintk));
post_wait_for_SPR (cpu, FNER_FOR_FR (out_FRdoublek));
}
restore_float_register_busy (cpu, -1, 1, in_FRj, 1, out_FRk, 1);
restore_float_register_busy (cpu, -1, 1, in_FRintj, 1, out_FRintk, 1);
restore_float_register_busy (cpu, -1, 1, in_FRdoublej, 2, out_FRdoublek, 2);
/* The latency of FRk will be at least the latency of the other inputs. */
update_FR_latency (cpu, out_FRk, ps->post_wait);
update_FR_latency (cpu, out_FRintk, ps->post_wait);
update_FRdouble_latency (cpu, out_FRdoublek, ps->post_wait);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
update_SPR_latency (cpu, FNER_FOR_FR (out_FRk), ps->post_wait);
update_SPR_latency (cpu, FNER_FOR_FR (out_FRintk), ps->post_wait);
update_SPR_latency (cpu, FNER_FOR_FR (out_FRdoublek), ps->post_wait);
}
/* Once initiated, post-processing will take 2 cycles. */
update_FR_ptime (cpu, out_FRk, 2);
update_FR_ptime (cpu, out_FRintk, 2);
update_FRdouble_ptime (cpu, out_FRdoublek, 2);
if (CGEN_ATTR_VALUE(idesc, idesc->attrs, CGEN_INSN_NON_EXCEPTING))
{
update_SPR_ptime (cpu, FNER_FOR_FR (out_FRk), 2);
update_SPR_ptime (cpu, FNER_FOR_FR (out_FRintk), 2);
update_SPR_ptime (cpu, FNER_FOR_FR (out_FRdoublek), 2);
}
/* Mark this use of the register as a floating point op. */
if (out_FRk >= 0)
set_use_is_fr_complex_2 (cpu, out_FRk);
if (out_FRintk >= 0)
set_use_is_fr_complex_2 (cpu, out_FRintk);
if (out_FRdoublek >= 0)
{
set_use_is_fr_complex_2 (cpu, out_FRdoublek);
set_use_is_fr_complex_2 (cpu, out_FRdoublek + 1);
}
/* the media point unit resource has a latency of 4 cycles */
update_media_resource_latency (cpu, slot, cycles + 4);
return cycles;
}
int
frvbf_model_fr550_u_spr2gr (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_spr, INT out_GRj)
{
/* Modelling for this unit is the same as for fr500. */
return frvbf_model_fr500_u_spr2gr (cpu, idesc, unit_num, referenced,
in_spr, out_GRj);
}
int
frvbf_model_fr550_u_gr2spr (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRj, INT out_spr)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
vliw_wait_for_GR (cpu, in_GRj);
vliw_wait_for_SPR (cpu, out_spr);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRj);
trace_vliw_wait_cycles (cpu);
return 0;
}
cycles = idesc->timing->units[unit_num].done;
#if 0
/* The latency of spr is ? cycles. */
update_SPR_latency (cpu, out_spr, cycles + ?);
#endif
return cycles;
}
int
frvbf_model_fr550_u_gr2fr (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRj, INT out_FRk)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet.
The latency of the registers may be less than previously recorded,
depending on how they were used previously.
See Table 14-15 in the LSI. */
adjust_float_register_busy (cpu, -1, 1, -1, 1, out_FRk, 1);
vliw_wait_for_GR (cpu, in_GRj);
vliw_wait_for_FR (cpu, out_FRk);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRj);
load_wait_for_FR (cpu, out_FRk);
trace_vliw_wait_cycles (cpu);
return 0;
}
/* The latency of FRk is 1 cycles. */
cycles = idesc->timing->units[unit_num].done;
update_FR_latency (cpu, out_FRk, cycles + 1);
set_use_is_fr_complex_1 (cpu, out_FRk);
return cycles;
}
int
frvbf_model_fr550_u_swap (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRi, INT in_GRj, INT out_GRk)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet. */
vliw_wait_for_GR (cpu, in_GRi);
vliw_wait_for_GR (cpu, in_GRj);
vliw_wait_for_GR (cpu, out_GRk);
handle_resource_wait (cpu);
load_wait_for_GR (cpu, in_GRi);
load_wait_for_GR (cpu, in_GRj);
load_wait_for_GR (cpu, out_GRk);
trace_vliw_wait_cycles (cpu);
return 0;
}
cycles = idesc->timing->units[unit_num].done;
/* The latency of GRk will depend on how long it takes to swap
the the data from the cache or memory. */
update_GR_latency_for_swap (cpu, out_GRk, cycles);
return cycles;
}
int
frvbf_model_fr550_u_fr2fr (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRj, INT out_FRk)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet.
The latency of the registers may be less than previously recorded,
depending on how they were used previously.
See Table 14-15 in the LSI. */
adjust_float_register_busy (cpu, -1, 1, in_FRj, 1, out_FRk, 1);
vliw_wait_for_FR (cpu, in_FRj);
vliw_wait_for_FR (cpu, out_FRk);
handle_resource_wait (cpu);
load_wait_for_FR (cpu, in_FRj);
load_wait_for_FR (cpu, out_FRk);
trace_vliw_wait_cycles (cpu);
return 0;
}
/* The latency of FRj is 2 cycles. */
cycles = idesc->timing->units[unit_num].done;
update_FR_latency (cpu, out_FRk, cycles + 2);
set_use_is_fr_complex_2 (cpu, out_FRk);
return cycles;
}
int
frvbf_model_fr550_u_fr2gr (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRk, INT out_GRj)
{
int cycles;
if (model_insn == FRV_INSN_MODEL_PASS_1)
{
/* The entire VLIW insn must wait if there is a dependency on a register
which is not ready yet.
The latency of the registers may be less than previously recorded,
depending on how they were used previously.
See Table 14-15 in the LSI. */
adjust_float_register_busy (cpu, in_FRk, 1, -1, 1, -1, 1);
vliw_wait_for_FR (cpu, in_FRk);
vliw_wait_for_GR (cpu, out_GRj);
handle_resource_wait (cpu);
load_wait_for_FR (cpu, in_FRk);
load_wait_for_GR (cpu, out_GRj);
trace_vliw_wait_cycles (cpu);
return 0;
}
/* The latency of GRj is 1 cycle. */
cycles = idesc->timing->units[unit_num].done;
update_GR_latency (cpu, out_GRj, cycles + 1);
return cycles;
}
int
frvbf_model_fr550_u_clrgr (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRk)
{
/* Modelling for this unit is the same as for fr500. */
return frvbf_model_fr500_u_clrgr (cpu, idesc, unit_num, referenced, in_GRk);
}
int
frvbf_model_fr550_u_clrfr (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRk)
{
/* Modelling for this unit is the same as for fr500. */
return frvbf_model_fr500_u_clrfr (cpu, idesc, unit_num, referenced, in_FRk);
}
int
frvbf_model_fr550_u_commit (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_GRk, INT in_FRk)
{
/* Modelling for this unit is the same as for fr500. */
return frvbf_model_fr500_u_commit (cpu, idesc, unit_num, referenced,
in_GRk, in_FRk);
}
int
frvbf_model_fr550_u_media (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRi, INT in_FRj, INT out_FRk)
{
int cycles;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
/* If the previous use of the registers was a media op,
then their latency may be less than previously recorded.
See Table 14-15 in the LSI. */
adjust_float_register_busy_for_media (cpu, in_FRi, 1, in_FRj, 1, out_FRk, 1);
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
ps = CPU_PROFILE_STATE (cpu);
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_media (cpu, slot);
post_wait_for_FR (cpu, in_FRi);
post_wait_for_FR (cpu, in_FRj);
post_wait_for_FR (cpu, out_FRk);
/* Restore the busy cycles of the registers we used. */
restore_float_register_busy_for_media (cpu, in_FRi, 1, in_FRj, 1, out_FRk, 1);
/* The latency of tht output register will be at least the latency of the
other inputs. Once initiated, post-processing will take 1 cycle. */
if (out_FRk >= 0)
{
update_FR_latency (cpu, out_FRk, ps->post_wait);
update_FR_ptime (cpu, out_FRk, 1);
/* Mark this use of the register as a media op. */
set_use_is_fr_complex_1 (cpu, out_FRk);
}
/* the floating point unit resource has a latency of 3 cycles */
update_float_resource_latency (cpu, slot, cycles + 3);
return cycles;
}
int
frvbf_model_fr550_u_media_quad (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRi, INT in_FRj,
INT out_FRk)
{
int cycles;
INT dual_FRi;
INT dual_FRj;
INT dual_FRk;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
dual_FRi = DUAL_REG (in_FRi);
dual_FRj = DUAL_REG (in_FRj);
dual_FRk = DUAL_REG (out_FRk);
/* The latency of the registers may be less than previously recorded,
depending on how they were used previously.
See Table 14-15 in the LSI. */
adjust_float_register_busy_for_media (cpu, in_FRi, 2, in_FRj, 2, out_FRk, 2);
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
ps = CPU_PROFILE_STATE (cpu);
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_media (cpu, slot);
post_wait_for_FR (cpu, in_FRi);
post_wait_for_FR (cpu, dual_FRi);
post_wait_for_FR (cpu, in_FRj);
post_wait_for_FR (cpu, dual_FRj);
post_wait_for_FR (cpu, out_FRk);
post_wait_for_FR (cpu, dual_FRk);
/* Restore the busy cycles of the registers we used. */
restore_float_register_busy_for_media (cpu, in_FRi, 2, in_FRj, 2, out_FRk, 2);
/* The latency of the output register will be at least the latency of the
other inputs. Once initiated, post-processing take 1 cycle. */
update_FR_latency (cpu, out_FRk, ps->post_wait);
update_FR_ptime (cpu, out_FRk, 1);
set_use_is_fr_complex_1 (cpu, out_FRk);
if (dual_FRk >= 0)
{
update_FR_latency (cpu, dual_FRk, ps->post_wait);
update_FR_ptime (cpu, dual_FRk, 1);
set_use_is_fr_complex_1 (cpu, dual_FRk);
}
/* the floating point unit resource has a latency of 3 cycles */
update_float_resource_latency (cpu, slot, cycles + 3);
return cycles;
}
int
frvbf_model_fr550_u_media_dual_expand (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRi, INT out_FRk)
{
int cycles;
INT dual_FRk;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
/* If the previous use of the registers was a media op,
then their latency will be less than previously recorded.
See Table 14-15 in the LSI. */
dual_FRk = DUAL_REG (out_FRk);
adjust_float_register_busy_for_media (cpu, in_FRi, 1, -1, 1, out_FRk, 2);
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
ps = CPU_PROFILE_STATE (cpu);
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_media (cpu, slot);
post_wait_for_FR (cpu, in_FRi);
post_wait_for_FR (cpu, out_FRk);
post_wait_for_FR (cpu, dual_FRk);
/* Restore the busy cycles of the registers we used. */
restore_float_register_busy_for_media (cpu, in_FRi, 1, -1, 1, out_FRk, 2);
/* The latency of the output register will be at least the latency of the
other inputs. Once initiated, post-processing will take 1 cycle. */
update_FR_latency (cpu, out_FRk, ps->post_wait);
update_FR_ptime (cpu, out_FRk, 1);
set_use_is_fr_complex_1 (cpu, out_FRk);
if (dual_FRk >= 0)
{
update_FR_latency (cpu, dual_FRk, ps->post_wait);
update_FR_ptime (cpu, dual_FRk, 1);
set_use_is_fr_complex_1 (cpu, dual_FRk);
}
/* the floating point unit resource has a latency of 3 cycles */
update_float_resource_latency (cpu, slot, cycles + 3);
return cycles;
}
int
frvbf_model_fr550_u_media_3_dual (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRi, INT out_FRk)
{
int cycles;
INT dual_FRi;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
dual_FRi = DUAL_REG (in_FRi);
/* The latency of the registers may be less than previously recorded,
depending on how they were used previously.
See Table 14-15 in the LSI. */
adjust_float_register_busy_for_media (cpu, in_FRi, 2, -1, 1, out_FRk, 1);
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
ps = CPU_PROFILE_STATE (cpu);
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_media (cpu, slot);
post_wait_for_FR (cpu, in_FRi);
post_wait_for_FR (cpu, dual_FRi);
post_wait_for_FR (cpu, out_FRk);
/* Restore the busy cycles of the registers we used. */
restore_float_register_busy_for_media (cpu, in_FRi, 2, -1, 1, out_FRk, 1);
/* The latency of the output register will be at least the latency of the
other inputs. Once initiated, post-processing takes 1 cycle. */
update_FR_latency (cpu, out_FRk, ps->post_wait);
update_FR_ptime (cpu, out_FRk, 1);
set_use_is_fr_complex_1 (cpu, out_FRk);
/* the floating point unit resource has a latency of 3 cycles */
update_float_resource_latency (cpu, slot, cycles + 3);
return cycles;
}
int
frvbf_model_fr550_u_media_3_acc (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRj, INT in_ACC40Si,
INT out_FRk)
{
int cycles;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
/* If the previous use of the registers was a media op,
then their latency will be less than previously recorded.
See Table 14-15 in the LSI. */
adjust_float_register_busy_for_media (cpu, -1, 1, in_FRj, 1, out_FRk, 1);
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
ps = CPU_PROFILE_STATE (cpu);
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_media (cpu, slot);
post_wait_for_FR (cpu, in_FRj);
post_wait_for_FR (cpu, out_FRk);
post_wait_for_ACC (cpu, in_ACC40Si);
/* Restore the busy cycles of the registers we used. */
restore_float_register_busy_for_media (cpu, -1, 1, in_FRj, 1, out_FRk, 1);
/* The latency of tht output register will be at least the latency of the
other inputs. Once initiated, post-processing will take 1 cycle. */
update_FR_latency (cpu, out_FRk, ps->post_wait);
update_FR_ptime (cpu, out_FRk, 1);
set_use_is_fr_complex_1 (cpu, out_FRk);
/* the floating point unit resource has a latency of 3 cycles */
update_float_resource_latency (cpu, slot, cycles + 3);
return cycles;
}
int
frvbf_model_fr550_u_media_3_acc_dual (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_ACC40Si, INT out_FRk)
{
int cycles;
FRV_PROFILE_STATE *ps;
INT ACC40Si_1;
INT dual_FRk;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
ACC40Si_1 = DUAL_REG (in_ACC40Si);
dual_FRk = DUAL_REG (out_FRk);
/* If the previous use of the registers was a media op,
then their latency will be less than previously recorded.
See Table 14-15 in the LSI. */
adjust_float_register_busy_for_media (cpu, -1, 1, -1, 1, out_FRk, 2);
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
ps = CPU_PROFILE_STATE (cpu);
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_media (cpu, slot);
post_wait_for_ACC (cpu, in_ACC40Si);
post_wait_for_ACC (cpu, ACC40Si_1);
post_wait_for_FR (cpu, out_FRk);
post_wait_for_FR (cpu, dual_FRk);
/* Restore the busy cycles of the registers we used. */
restore_float_register_busy_for_media (cpu, -1, 1, -1, 1, out_FRk, 2);
/* The latency of the output register will be at least the latency of the
other inputs. Once initiated, post-processing will take 1 cycle. */
update_FR_latency (cpu, out_FRk, ps->post_wait);
update_FR_ptime (cpu, out_FRk, 1);
set_use_is_fr_complex_1 (cpu, out_FRk);
if (dual_FRk >= 0)
{
update_FR_latency (cpu, dual_FRk, ps->post_wait);
update_FR_ptime (cpu, dual_FRk, 1);
set_use_is_fr_complex_1 (cpu, dual_FRk);
}
/* the floating point unit resource has a latency of 3 cycles */
update_float_resource_latency (cpu, slot, cycles + 3);
return cycles;
}
int
frvbf_model_fr550_u_media_3_wtacc (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRi, INT out_ACC40Sk)
{
int cycles;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
ps = CPU_PROFILE_STATE (cpu);
/* The latency of the registers may be less than previously recorded,
depending on how they were used previously.
See Table 14-15 in the LSI. */
adjust_float_register_busy_for_media (cpu, in_FRi, 1, -1, 1, -1, 1);
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_media (cpu, slot);
post_wait_for_FR (cpu, in_FRi);
post_wait_for_ACC (cpu, out_ACC40Sk);
/* Restore the busy cycles of the registers we used. */
restore_float_register_busy_for_media (cpu, in_FRi, 1, -1, 1, -1, 1);
/* The latency of the output register will be at least the latency of the
other inputs. Once initiated, post-processing will take 1 cycle. */
update_ACC_latency (cpu, out_ACC40Sk, ps->post_wait);
update_ACC_ptime (cpu, out_ACC40Sk, 1);
set_use_is_acc_mmac (cpu, out_ACC40Sk);
/* the floating point unit resource has a latency of 3 cycles */
update_float_resource_latency (cpu, slot, cycles + 3);
return cycles;
}
int
frvbf_model_fr550_u_media_3_mclracc (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced)
{
int cycles;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
int i;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
ps = CPU_PROFILE_STATE (cpu);
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_media (cpu, slot);
/* If A was 1 and the accumulator was ACC0, then we must check all
accumulators. Otherwise just wait for the specified accumulator. */
if (ps->mclracc_A && ps->mclracc_acc == 0)
{
for (i = 0; i < 8; ++i)
post_wait_for_ACC (cpu, i);
}
else
post_wait_for_ACC (cpu, ps->mclracc_acc);
/* The latency of the output registers will be at least the latency of the
other inputs. Once initiated, post-processing will take 1 cycle. */
if (ps->mclracc_A && ps->mclracc_acc == 0)
{
for (i = 0; i < 8; ++i)
{
update_ACC_latency (cpu, i, ps->post_wait);
update_ACC_ptime (cpu, i, 1);
set_use_is_acc_mmac (cpu, i);
}
}
else
{
update_ACC_latency (cpu, ps->mclracc_acc, ps->post_wait);
update_ACC_ptime (cpu, ps->mclracc_acc, 1);
set_use_is_acc_mmac (cpu, ps->mclracc_acc);
}
/* the floating point unit resource has a latency of 3 cycles */
update_float_resource_latency (cpu, slot, cycles + 3);
return cycles;
}
int
frvbf_model_fr550_u_media_set (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT out_FRk)
{
int cycles;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
/* If the previous use of the registers was a media op,
then their latency will be less than previously recorded.
See Table 14-15 in the LSI. */
adjust_float_register_busy_for_media (cpu, -1, 1, -1, 1, out_FRk, 1);
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
ps = CPU_PROFILE_STATE (cpu);
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_media (cpu, slot);
post_wait_for_FR (cpu, out_FRk);
/* Restore the busy cycles of the registers we used. */
restore_float_register_busy_for_media (cpu, -1, 1, -1, 1, out_FRk, 1);
/* The latency of the output register will be at least the latency of the
other inputs. Once initiated, post-processing takes 1 cycle. */
update_FR_latency (cpu, out_FRk, ps->post_wait);
update_FR_ptime (cpu, out_FRk, 1);
fr550_reset_acc_flags (cpu, out_FRk);
/* the floating point unit resource has a latency of 3 cycles */
update_float_resource_latency (cpu, slot, cycles + 3);
return cycles;
}
int
frvbf_model_fr550_u_media_4 (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRi, INT in_FRj,
INT out_ACC40Sk, INT out_ACC40Uk)
{
int cycles;
INT dual_ACC40Sk;
INT dual_ACC40Uk;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
ps = CPU_PROFILE_STATE (cpu);
dual_ACC40Sk = DUAL_REG (out_ACC40Sk);
dual_ACC40Uk = DUAL_REG (out_ACC40Uk);
/* The latency of the registers may be less than previously recorded,
depending on how they were used previously.
See Table 14-15 in the LSI. */
adjust_acc_busy_for_mmac (cpu, -1, 1, out_ACC40Sk, 2);
adjust_acc_busy_for_mmac (cpu, -1, 1, out_ACC40Uk, 2);
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_media (cpu, slot);
post_wait_for_FR (cpu, in_FRi);
post_wait_for_FR (cpu, in_FRj);
post_wait_for_ACC (cpu, out_ACC40Sk);
post_wait_for_ACC (cpu, dual_ACC40Sk);
post_wait_for_ACC (cpu, out_ACC40Uk);
post_wait_for_ACC (cpu, dual_ACC40Uk);
/* Restore the busy cycles of the registers we used. */
restore_acc_busy_for_mmac (cpu, -1, 1, out_ACC40Sk, 2);
restore_acc_busy_for_mmac (cpu, -1, 1, out_ACC40Uk, 2);
/* The latency of the output register will be at least the latency of the
other inputs. Once initiated, post-processing will take 1 cycles. */
if (out_ACC40Sk >= 0)
{
update_ACC_latency (cpu, out_ACC40Sk, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, out_ACC40Sk);
}
if (dual_ACC40Sk >= 0)
{
update_ACC_latency (cpu, dual_ACC40Sk, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, dual_ACC40Sk);
}
if (out_ACC40Uk >= 0)
{
update_ACC_latency (cpu, out_ACC40Uk, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, out_ACC40Uk);
}
if (dual_ACC40Uk >= 0)
{
update_ACC_latency (cpu, dual_ACC40Uk, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, dual_ACC40Uk);
}
/* the floating point unit resource has a latency of 3 cycles */
update_float_resource_latency (cpu, slot, cycles + 3);
return cycles;
}
int
frvbf_model_fr550_u_media_4_acc (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_ACC40Si, INT out_ACC40Sk)
{
int cycles;
INT ACC40Si_1;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
ACC40Si_1 = DUAL_REG (in_ACC40Si);
ps = CPU_PROFILE_STATE (cpu);
/* The latency of the registers may be less than previously recorded,
depending on how they were used previously.
See Table 14-15 in the LSI. */
adjust_acc_busy_for_mmac (cpu, in_ACC40Si, 2, out_ACC40Sk, 1);
/* The post processing must wait if there is a dependency on a register
which is not ready yet. */
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_media (cpu, slot);
post_wait_for_ACC (cpu, in_ACC40Si);
post_wait_for_ACC (cpu, ACC40Si_1);
post_wait_for_ACC (cpu, out_ACC40Sk);
/* Restore the busy cycles of the registers we used. */
restore_acc_busy_for_mmac (cpu, in_ACC40Si, 2, out_ACC40Sk, 1);
/* The latency of the output register will be at least the latency of the
other inputs. Once initiated, post-processing will take 1 cycle. */
update_ACC_latency (cpu, out_ACC40Sk, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, out_ACC40Sk);
/* the floating point unit resource has a latency of 3 cycles */
update_float_resource_latency (cpu, slot, cycles + 3);
return cycles;
}
int
frvbf_model_fr550_u_media_4_acc_dual (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_ACC40Si, INT out_ACC40Sk)
{
int cycles;
INT ACC40Si_1;
INT ACC40Si_2;
INT ACC40Si_3;
INT ACC40Sk_1;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
ACC40Si_1 = DUAL_REG (in_ACC40Si);
ACC40Si_2 = DUAL_REG (ACC40Si_1);
ACC40Si_3 = DUAL_REG (ACC40Si_2);
ACC40Sk_1 = DUAL_REG (out_ACC40Sk);
ps = CPU_PROFILE_STATE (cpu);
/* The latency of the registers may be less than previously recorded,
depending on how they were used previously.
See Table 14-15 in the LSI. */
adjust_acc_busy_for_mmac (cpu, in_ACC40Si, 4, out_ACC40Sk, 2);
/* The post processing must wait if there is a dependency on a register
which is not ready yet. */
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_media (cpu, slot);
post_wait_for_ACC (cpu, in_ACC40Si);
post_wait_for_ACC (cpu, ACC40Si_1);
post_wait_for_ACC (cpu, ACC40Si_2);
post_wait_for_ACC (cpu, ACC40Si_3);
post_wait_for_ACC (cpu, out_ACC40Sk);
post_wait_for_ACC (cpu, ACC40Sk_1);
/* Restore the busy cycles of the registers we used. */
restore_acc_busy_for_mmac (cpu, in_ACC40Si, 4, out_ACC40Sk, 2);
/* The latency of the output register will be at least the latency of the
other inputs. Once initiated, post-processing will take 1 cycle. */
update_ACC_latency (cpu, out_ACC40Sk, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, out_ACC40Sk);
if (ACC40Sk_1 >= 0)
{
update_ACC_latency (cpu, ACC40Sk_1, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, ACC40Sk_1);
}
/* the floating point unit resource has a latency of 3 cycles */
update_float_resource_latency (cpu, slot, cycles + 3);
return cycles;
}
int
frvbf_model_fr550_u_media_4_add_sub (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_ACC40Si, INT out_ACC40Sk)
{
int cycles;
INT ACC40Si_1;
INT ACC40Sk_1;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
ACC40Si_1 = DUAL_REG (in_ACC40Si);
ACC40Sk_1 = DUAL_REG (out_ACC40Sk);
ps = CPU_PROFILE_STATE (cpu);
/* The latency of the registers may be less than previously recorded,
depending on how they were used previously.
See Table 14-15 in the LSI. */
adjust_acc_busy_for_mmac (cpu, in_ACC40Si, 2, out_ACC40Sk, 2);
/* The post processing must wait if there is a dependency on a register
which is not ready yet. */
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_media (cpu, slot);
post_wait_for_ACC (cpu, in_ACC40Si);
post_wait_for_ACC (cpu, ACC40Si_1);
post_wait_for_ACC (cpu, out_ACC40Sk);
post_wait_for_ACC (cpu, ACC40Sk_1);
/* Restore the busy cycles of the registers we used. */
restore_acc_busy_for_mmac (cpu, in_ACC40Si, 2, out_ACC40Sk, 2);
/* The latency of the output register will be at least the latency of the
other inputs. Once initiated, post-processing will take 1 cycle. */
update_ACC_latency (cpu, out_ACC40Sk, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, out_ACC40Sk);
if (ACC40Sk_1 >= 0)
{
update_ACC_latency (cpu, ACC40Sk_1, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, ACC40Sk_1);
}
/* the floating point unit resource has a latency of 3 cycles */
update_float_resource_latency (cpu, slot, cycles + 3);
return cycles;
}
int
frvbf_model_fr550_u_media_4_add_sub_dual (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_ACC40Si, INT out_ACC40Sk)
{
int cycles;
INT ACC40Si_1;
INT ACC40Si_2;
INT ACC40Si_3;
INT ACC40Sk_1;
INT ACC40Sk_2;
INT ACC40Sk_3;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
ACC40Si_1 = DUAL_REG (in_ACC40Si);
ACC40Si_2 = DUAL_REG (ACC40Si_1);
ACC40Si_3 = DUAL_REG (ACC40Si_2);
ACC40Sk_1 = DUAL_REG (out_ACC40Sk);
ACC40Sk_2 = DUAL_REG (ACC40Sk_1);
ACC40Sk_3 = DUAL_REG (ACC40Sk_2);
ps = CPU_PROFILE_STATE (cpu);
/* The latency of the registers may be less than previously recorded,
depending on how they were used previously.
See Table 14-15 in the LSI. */
adjust_acc_busy_for_mmac (cpu, in_ACC40Si, 4, out_ACC40Sk, 4);
/* The post processing must wait if there is a dependency on a register
which is not ready yet. */
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_media (cpu, slot);
post_wait_for_ACC (cpu, in_ACC40Si);
post_wait_for_ACC (cpu, ACC40Si_1);
post_wait_for_ACC (cpu, ACC40Si_2);
post_wait_for_ACC (cpu, ACC40Si_3);
post_wait_for_ACC (cpu, out_ACC40Sk);
post_wait_for_ACC (cpu, ACC40Sk_1);
post_wait_for_ACC (cpu, ACC40Sk_2);
post_wait_for_ACC (cpu, ACC40Sk_3);
/* Restore the busy cycles of the registers we used. */
restore_acc_busy_for_mmac (cpu, in_ACC40Si, 4, out_ACC40Sk, 4);
/* The latency of the output register will be at least the latency of the
other inputs. Once initiated, post-processing will take 1 cycle. */
update_ACC_latency (cpu, out_ACC40Sk, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, out_ACC40Sk);
if (ACC40Sk_1 >= 0)
{
update_ACC_latency (cpu, ACC40Sk_1, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, ACC40Sk_1);
}
if (ACC40Sk_2 >= 0)
{
update_ACC_latency (cpu, ACC40Sk_2, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, ACC40Sk_2);
}
if (ACC40Sk_3 >= 0)
{
update_ACC_latency (cpu, ACC40Sk_3, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, ACC40Sk_3);
}
/* the floating point unit resource has a latency of 3 cycles */
update_float_resource_latency (cpu, slot, cycles + 3);
return cycles;
}
int
frvbf_model_fr550_u_media_4_quad (SIM_CPU *cpu, const IDESC *idesc,
int unit_num, int referenced,
INT in_FRi, INT in_FRj,
INT out_ACC40Sk, INT out_ACC40Uk)
{
int cycles;
INT dual_FRi;
INT dual_FRj;
INT ACC40Sk_1;
INT ACC40Sk_2;
INT ACC40Sk_3;
INT ACC40Uk_1;
INT ACC40Uk_2;
INT ACC40Uk_3;
FRV_PROFILE_STATE *ps;
FRV_VLIW *vliw;
int slot;
if (model_insn == FRV_INSN_MODEL_PASS_1)
return 0;
/* The preprocessing can execute right away. */
cycles = idesc->timing->units[unit_num].done;
dual_FRi = DUAL_REG (in_FRi);
dual_FRj = DUAL_REG (in_FRj);
ACC40Sk_1 = DUAL_REG (out_ACC40Sk);
ACC40Sk_2 = DUAL_REG (ACC40Sk_1);
ACC40Sk_3 = DUAL_REG (ACC40Sk_2);
ACC40Uk_1 = DUAL_REG (out_ACC40Uk);
ACC40Uk_2 = DUAL_REG (ACC40Uk_1);
ACC40Uk_3 = DUAL_REG (ACC40Uk_2);
ps = CPU_PROFILE_STATE (cpu);
/* The latency of the registers may be less than previously recorded,
depending on how they were used previously.
See Table 14-15 in the LSI. */
adjust_float_register_busy_for_media (cpu, in_FRi, 2, in_FRj, 2, -1, 1);
adjust_acc_busy_for_mmac (cpu, -1, 1, out_ACC40Sk, 4);
adjust_acc_busy_for_mmac (cpu, -1, 1, out_ACC40Uk, 4);
/* The post processing must wait if there is a dependency on a FR
which is not ready yet. */
ps->post_wait = cycles;
vliw = CPU_VLIW (cpu);
slot = vliw->next_slot - 1;
slot = (*vliw->current_vliw)[slot] - UNIT_FM0;
post_wait_for_media (cpu, slot);
post_wait_for_FR (cpu, in_FRi);
post_wait_for_FR (cpu, dual_FRi);
post_wait_for_FR (cpu, in_FRj);
post_wait_for_FR (cpu, dual_FRj);
post_wait_for_ACC (cpu, out_ACC40Sk);
post_wait_for_ACC (cpu, ACC40Sk_1);
post_wait_for_ACC (cpu, ACC40Sk_2);
post_wait_for_ACC (cpu, ACC40Sk_3);
post_wait_for_ACC (cpu, out_ACC40Uk);
post_wait_for_ACC (cpu, ACC40Uk_1);
post_wait_for_ACC (cpu, ACC40Uk_2);
post_wait_for_ACC (cpu, ACC40Uk_3);
/* Restore the busy cycles of the registers we used. */
restore_float_register_busy_for_media (cpu, in_FRi, 2, in_FRj, 2, -1, 1);
restore_acc_busy_for_mmac (cpu, -1, 1, out_ACC40Sk, 4);
restore_acc_busy_for_mmac (cpu, -1, 1, out_ACC40Uk, 4);
/* The latency of the output register will be at least the latency of the
other inputs. Once initiated, post-processing will take 1 cycle. */
if (out_ACC40Sk >= 0)
{
update_ACC_latency (cpu, out_ACC40Sk, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, out_ACC40Sk);
if (ACC40Sk_1 >= 0)
{
update_ACC_latency (cpu, ACC40Sk_1, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, ACC40Sk_1);
}
if (ACC40Sk_2 >= 0)
{
update_ACC_latency (cpu, ACC40Sk_2, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, ACC40Sk_2);
}
if (ACC40Sk_3 >= 0)
{
update_ACC_latency (cpu, ACC40Sk_3, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, ACC40Sk_3);
}
}
else if (out_ACC40Uk >= 0)
{
update_ACC_latency (cpu, out_ACC40Uk, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, out_ACC40Uk);
if (ACC40Uk_1 >= 0)
{
update_ACC_latency (cpu, ACC40Uk_1, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, ACC40Uk_1);
}
if (ACC40Uk_2 >= 0)
{
update_ACC_latency (cpu, ACC40Uk_2, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, ACC40Uk_2);
}
if (ACC40Uk_3 >= 0)
{
update_ACC_latency (cpu, ACC40Uk_3, ps->post_wait + 1);
set_use_is_acc_mmac (cpu, ACC40Uk_3);
}
}
/* the floating point unit resource has a latency of 3 cycles */
update_float_resource_latency (cpu, slot, cycles + 3);
return cycles;
}
#endif /* WITH_PROFILE_MODEL_P */
Reference in a new issue Copy permalink