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Diffstat (limited to 'sim/frv/profile-fr400.c')
-rw-r--r-- | sim/frv/profile-fr400.c | 2175 |
1 files changed, 2175 insertions, 0 deletions
diff --git a/sim/frv/profile-fr400.c b/sim/frv/profile-fr400.c new file mode 100644 index 0000000..9baddd1 --- /dev/null +++ b/sim/frv/profile-fr400.c @@ -0,0 +1,2175 @@ +/* frv simulator fr400 dependent profiling code. + + Copyright (C) 2001 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 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. + +*/ +#define WANT_CPU +#define WANT_CPU_FRVBF + +#include "sim-main.h" +#include "bfd.h" + +#if WITH_PROFILE_MODEL_P + +#include "profile.h" +#include "profile-fr400.h" + +/* These functions get and set flags representing the use of + registers/resources. */ +static void set_use_not_fp_load (SIM_CPU *, INT); +static void set_use_not_media_p4 (SIM_CPU *, INT); +static void set_use_not_media_p6 (SIM_CPU *, INT); + +static void set_acc_use_not_media_p2 (SIM_CPU *, INT); +static void set_acc_use_not_media_p4 (SIM_CPU *, INT); + +void +fr400_reset_gr_flags (SIM_CPU *cpu, INT fr) +{ + set_use_not_gr_complex (cpu, fr); +} + +void +fr400_reset_fr_flags (SIM_CPU *cpu, INT fr) +{ + set_use_not_fp_load (cpu, fr); + set_use_not_media_p4 (cpu, fr); + set_use_not_media_p6 (cpu, fr); +} + +void +fr400_reset_acc_flags (SIM_CPU *cpu, INT acc) +{ + set_acc_use_not_media_p2 (cpu, acc); + set_acc_use_not_media_p4 (cpu, acc); +} + +static void +set_use_is_fp_load (SIM_CPU *cpu, INT fr, INT fr_double) +{ + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + if (fr != -1) + { + fr400_reset_fr_flags (cpu, fr); + d->cur_fp_load |= (((DI)1) << fr); + } + if (fr_double != -1) + { + fr400_reset_fr_flags (cpu, fr_double); + d->cur_fp_load |= (((DI)1) << fr_double); + if (fr_double < 63) + { + fr400_reset_fr_flags (cpu, fr_double + 1); + d->cur_fp_load |= (((DI)1) << (fr_double + 1)); + } + } + +} + +static void +set_use_not_fp_load (SIM_CPU *cpu, INT fr) +{ + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + if (fr != -1) + d->cur_fp_load &= ~(((DI)1) << fr); +} + +static int +use_is_fp_load (SIM_CPU *cpu, INT fr) +{ + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + if (fr != -1) + return (d->prev_fp_load >> fr) & 1; + return 0; +} + +static void +set_acc_use_is_media_p2 (SIM_CPU *cpu, INT acc) +{ + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + if (acc != -1) + { + fr400_reset_acc_flags (cpu, acc); + d->cur_acc_p2 |= (((DI)1) << acc); + } +} + +static void +set_acc_use_not_media_p2 (SIM_CPU *cpu, INT acc) +{ + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + if (acc != -1) + d->cur_acc_p2 &= ~(((DI)1) << acc); +} + +static int +acc_use_is_media_p2 (SIM_CPU *cpu, INT acc) +{ + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + if (acc != -1) + return d->cur_acc_p2 & (((DI)1) << acc); + return 0; +} + +static void +set_use_is_media_p4 (SIM_CPU *cpu, INT fr) +{ + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + if (fr != -1) + { + fr400_reset_fr_flags (cpu, fr); + d->cur_fr_p4 |= (((DI)1) << fr); + } +} + +static void +set_use_not_media_p4 (SIM_CPU *cpu, INT fr) +{ + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + if (fr != -1) + d->cur_fr_p4 &= ~(((DI)1) << fr); +} + +static int +use_is_media_p4 (SIM_CPU *cpu, INT fr) +{ + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + if (fr != -1) + return d->cur_fr_p4 & (((DI)1) << fr); + return 0; +} + +static void +set_acc_use_is_media_p4 (SIM_CPU *cpu, INT acc) +{ + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + if (acc != -1) + { + fr400_reset_acc_flags (cpu, acc); + d->cur_acc_p4 |= (((DI)1) << acc); + } +} + +static void +set_acc_use_not_media_p4 (SIM_CPU *cpu, INT acc) +{ + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + if (acc != -1) + d->cur_acc_p4 &= ~(((DI)1) << acc); +} + +static int +acc_use_is_media_p4 (SIM_CPU *cpu, INT acc) +{ + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + if (acc != -1) + return d->cur_acc_p4 & (((DI)1) << acc); + return 0; +} + +static void +set_use_is_media_p6 (SIM_CPU *cpu, INT fr) +{ + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + if (fr != -1) + { + fr400_reset_fr_flags (cpu, fr); + d->cur_fr_p6 |= (((DI)1) << fr); + } +} + +static void +set_use_not_media_p6 (SIM_CPU *cpu, INT fr) +{ + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + if (fr != -1) + d->cur_fr_p6 &= ~(((DI)1) << fr); +} + +static int +use_is_media_p6 (SIM_CPU *cpu, INT fr) +{ + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + if (fr != -1) + return d->cur_fr_p6 & (((DI)1) << fr); + return 0; +} + +/* Initialize cycle counting for an insn. + FIRST_P is non-zero if this is the first insn in a set of parallel + insns. */ +void +fr400_model_insn_before (SIM_CPU *cpu, int first_p) +{ + if (first_p) + { + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + FRV_PROFILE_STATE *ps = CPU_PROFILE_STATE (cpu); + ps->cur_gr_complex = ps->prev_gr_complex; + d->cur_fp_load = d->prev_fp_load; + d->cur_fr_p4 = d->prev_fr_p4; + d->cur_fr_p6 = d->prev_fr_p6; + d->cur_acc_p2 = d->prev_acc_p2; + d->cur_acc_p4 = d->prev_acc_p4; + } +} + +/* 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 +fr400_model_insn_after (SIM_CPU *cpu, int last_p, int cycles) +{ + if (last_p) + { + MODEL_FR400_DATA *d = CPU_MODEL_DATA (cpu); + FRV_PROFILE_STATE *ps = CPU_PROFILE_STATE (cpu); + ps->prev_gr_complex = ps->cur_gr_complex; + d->prev_fp_load = d->cur_fp_load; + d->prev_fr_p4 = d->cur_fr_p4; + d->prev_fr_p6 = d->cur_fr_p6; + d->prev_acc_p2 = d->cur_acc_p2; + d->prev_acc_p4 = d->cur_acc_p4; + } +} + +int +frvbf_model_fr400_u_exec (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced) +{ + return idesc->timing->units[unit_num].done; +} + +int +frvbf_model_fr400_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) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_integer (cpu, idesc, unit_num, referenced, + in_GRi, in_GRj, out_GRk, out_ICCi_1); +} + +int +frvbf_model_fr400_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) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_imul (cpu, idesc, unit_num, referenced, + in_GRi, in_GRj, out_GRk, out_ICCi_1); +} + +int +frvbf_model_fr400_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. + 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. */ + if (in_GRi != out_GRk && in_GRi >= 0) + { + if (use_is_gr_complex (cpu, in_GRi)) + decrease_GR_busy (cpu, in_GRi, 1); + } + if (in_GRj != out_GRk && in_GRj != in_GRi && in_GRj >= 0) + { + if (use_is_gr_complex (cpu, in_GRj)) + decrease_GR_busy (cpu, in_GRj, 1); + } + 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 19 cycles! */ + cycles = idesc->timing->units[unit_num].done; + update_GR_latency (cpu, out_GRk, cycles + 19); + set_use_is_gr_complex (cpu, out_GRk); + + /* ICCi_1 has a latency of 18 cycles. */ + update_CCR_latency (cpu, out_ICCi_1, cycles + 18); + + /* the idiv resource has a latency of 18 cycles! */ + update_idiv_resource_latency (cpu, slot, cycles + 18); + + return cycles; +} + +int +frvbf_model_fr400_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_ICCi_3) +{ +#define BRANCH_PREDICTED(ps) ((ps)->branch_hint & 2) + FRV_PROFILE_STATE *ps; + int cycles; + + if (model_insn == FRV_INSN_MODEL_PASS_1) + { + /* Modelling for this unit is the same as for fr500 in pass 1. */ + return frvbf_model_fr500_u_branch (cpu, idesc, unit_num, referenced, + in_GRi, in_GRj, in_ICCi_2, in_ICCi_3); + } + + cycles = idesc->timing->units[unit_num].done; + + /* Compute the branch penalty, based on the the prediction and the out + come. 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) + { + int penalty; + /* (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; + if (BRANCH_PREDICTED (ps)) + penalty = 1; + else + penalty = 3; + } + else + { + ++PROFILE_MODEL_UNTAKEN_COUNT (p); + if (BRANCH_PREDICTED (ps)) + penalty = 3; + else + penalty = 0; + } + if (penalty > 0) + { + /* Additional 1 cycle penalty if the branch address is not 8 byte + aligned. */ + if (ps->branch_address & 7) + ++penalty; + update_branch_penalty (cpu, penalty); + PROFILE_MODEL_CTI_STALL_CYCLES (p) += penalty; + } + } + + return cycles; +} + +int +frvbf_model_fr400_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) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_trap (cpu, idesc, unit_num, referenced, + in_GRi, in_GRj, in_ICCi_2, in_FCCi_2); +} + +int +frvbf_model_fr400_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_fr400_u_set_hilo (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT out_GRkhi, INT out_GRklo) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_set_hilo (cpu, idesc, unit_num, referenced, + out_GRkhi, out_GRklo); +} + +int +frvbf_model_fr400_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) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_gr_load (cpu, idesc, unit_num, referenced, + in_GRi, in_GRj, out_GRk, out_GRdoublek); +} + +int +frvbf_model_fr400_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) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_gr_store (cpu, idesc, unit_num, referenced, + in_GRi, in_GRj, in_GRk, in_GRdoublek); +} + +int +frvbf_model_fr400_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) + { + /* Pass 1 is the same as for fr500. */ + return frvbf_model_fr500_u_fr_load (cpu, idesc, unit_num, referenced, + in_GRi, in_GRj, out_FRk, + out_FRdoublek); + } + + 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); + + set_use_is_fp_load (cpu, out_FRk, out_FRdoublek); + + return cycles; +} + +int +frvbf_model_fr400_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. + 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. */ + if (in_GRi >= 0) + { + if (use_is_gr_complex (cpu, in_GRi)) + decrease_GR_busy (cpu, in_GRi, 1); + } + if (in_GRj != in_GRi && in_GRj >= 0) + { + if (use_is_gr_complex (cpu, in_GRj)) + decrease_GR_busy (cpu, in_GRj, 1); + } + if (in_FRk >= 0) + { + if (use_is_media_p4 (cpu, in_FRk) || use_is_media_p6 (cpu, in_FRk)) + decrease_FR_busy (cpu, in_FRk, 1); + else + enforce_full_fr_latency (cpu, in_FRk); + } + 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; + } + + cycles = idesc->timing->units[unit_num].done; + + return cycles; +} + +int +frvbf_model_fr400_u_swap (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_GRi, INT in_GRj, INT out_GRk) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_swap (cpu, idesc, unit_num, referenced, + in_GRi, in_GRj, out_GRk); +} + +int +frvbf_model_fr400_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 13-8 in the LSI. */ + if (in_FRk >= 0) + { + if (use_is_media_p4 (cpu, in_FRk) || use_is_media_p6 (cpu, in_FRk)) + decrease_FR_busy (cpu, in_FRk, 1); + else + enforce_full_fr_latency (cpu, in_FRk); + } + 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 2 cycles. */ + cycles = idesc->timing->units[unit_num].done; + update_GR_latency (cpu, out_GRj, cycles + 2); + set_use_is_gr_complex (cpu, out_GRj); + + return cycles; +} + +int +frvbf_model_fr400_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_fr400_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) + { + /* Pass 1 is the same as for fr500. */ + frvbf_model_fr500_u_gr2fr (cpu, idesc, unit_num, referenced, + in_GRj, out_FRk); + } + + /* The latency of FRk is 1 cycles. */ + cycles = idesc->timing->units[unit_num].done; + update_FR_latency (cpu, out_FRk, cycles + 1); + + return cycles; +} + +int +frvbf_model_fr400_u_gr2spr (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_GRj, INT out_spr) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_gr2spr (cpu, idesc, unit_num, referenced, + in_GRj, out_spr); +} + +/* Top up the post-processing time of the given FR by the given number of + cycles. */ +static void +update_FR_ptime (SIM_CPU *cpu, INT out_FR, int cycles) +{ + if (out_FR >= 0) + { + FRV_PROFILE_STATE *ps = CPU_PROFILE_STATE (cpu); + /* If a load is pending on this register, then add the cycles to + the post processing time for this register. Otherwise apply it + directly to the latency of the register. */ + if (! load_pending_for_register (cpu, out_FR, 1, REGTYPE_FR)) + { + int *fr = ps->fr_latency; + fr[out_FR] += cycles; + } + else + ps->fr_ptime[out_FR] += cycles; + } +} + +static void +update_FRdouble_ptime (SIM_CPU *cpu, INT out_FR, int cycles) +{ + if (out_FR >= 0) + { + FRV_PROFILE_STATE *ps = CPU_PROFILE_STATE (cpu); + /* If a load is pending on this register, then add the cycles to + the post processing time for this register. Otherwise apply it + directly to the latency of the register. */ + if (! load_pending_for_register (cpu, out_FR, 2, REGTYPE_FR)) + { + int *fr = ps->fr_latency; + fr[out_FR] += cycles; + if (out_FR < 63) + fr[out_FR + 1] += cycles; + } + else + { + /* On the fr400, loads are available to media insns one cycle early, + so knock one cycle off the post processing time to account for + this. */ + ps->fr_ptime[out_FR] += cycles - 1; + if (out_FR < 63) + ps->fr_ptime[out_FR + 1] += cycles - 1; + } + } +} + +int +frvbf_model_fr400_u_media_1 (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; + const CGEN_INSN *insn; + int busy_adjustment[] = {0, 0}; + int *fr; + + 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); + insn = idesc->idata; + + /* 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. */ + if (in_FRi >= 0) + { + if (use_is_fp_load (cpu, in_FRi)) + { + busy_adjustment[0] = 1; + decrease_FR_busy (cpu, in_FRi, busy_adjustment[0]); + } + else + enforce_full_fr_latency (cpu, in_FRi); + } + if (in_FRj >= 0 && in_FRj != in_FRi) + { + if (use_is_fp_load (cpu, in_FRj)) + { + busy_adjustment[1] = 1; + decrease_FR_busy (cpu, in_FRj, busy_adjustment[1]); + } + else + enforce_full_fr_latency (cpu, in_FRj); + } + + /* The post processing must wait if there is a dependency on a FR + which is not ready yet. */ + ps->post_wait = cycles; + 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. */ + fr = ps->fr_busy; + if (in_FRi >= 0) + fr[in_FRi] += busy_adjustment[0]; + if (in_FRj >= 0) + fr[in_FRj] += busy_adjustment[1]; + + /* The latency of the output register will be at least the latency of the + other inputs. Once initiated, post-processing has no latency. */ + if (out_FRk >= 0) + { + update_FR_latency (cpu, out_FRk, ps->post_wait); + update_FR_ptime (cpu, out_FRk, 0); + } + + return cycles; +} + +int +frvbf_model_fr400_u_media_1_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; + int busy_adjustment[] = {0, 0, 0, 0}; + int *fr; + + 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_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 13-8 in the LSI. */ + if (use_is_fp_load (cpu, in_FRi)) + { + busy_adjustment[0] = 1; + decrease_FR_busy (cpu, in_FRi, busy_adjustment[0]); + } + else + enforce_full_fr_latency (cpu, in_FRi); + if (dual_FRi >= 0 && use_is_fp_load (cpu, dual_FRi)) + { + busy_adjustment[1] = 1; + decrease_FR_busy (cpu, dual_FRi, busy_adjustment[1]); + } + else + enforce_full_fr_latency (cpu, dual_FRi); + if (in_FRj != in_FRi) + { + if (use_is_fp_load (cpu, in_FRj)) + { + busy_adjustment[2] = 1; + decrease_FR_busy (cpu, in_FRj, busy_adjustment[2]); + } + else + enforce_full_fr_latency (cpu, in_FRj); + if (dual_FRj >= 0 && use_is_fp_load (cpu, dual_FRj)) + { + busy_adjustment[3] = 1; + decrease_FR_busy (cpu, dual_FRj, busy_adjustment[3]); + } + else + enforce_full_fr_latency (cpu, dual_FRj); + } + + /* The post processing must wait if there is a dependency on a FR + which is not ready yet. */ + ps->post_wait = cycles; + 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. */ + fr = ps->fr_busy; + fr[in_FRi] += busy_adjustment[0]; + if (dual_FRi >= 0) + fr[dual_FRi] += busy_adjustment[1]; + fr[in_FRj] += busy_adjustment[2]; + if (dual_FRj >= 0) + fr[dual_FRj] += busy_adjustment[3]; + + /* The latency of the output register will be at least the latency of the + other inputs. */ + update_FR_latency (cpu, out_FRk, ps->post_wait); + + /* Once initiated, post-processing has no latency. */ + update_FR_ptime (cpu, out_FRk, 0); + + if (dual_FRk >= 0) + { + update_FR_latency (cpu, dual_FRk, ps->post_wait); + update_FR_ptime (cpu, dual_FRk, 0); + } + + return cycles; +} + +int +frvbf_model_fr400_u_media_hilo (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT out_FRkhi, INT out_FRklo) +{ + int cycles; + FRV_PROFILE_STATE *ps; + + 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; + post_wait_for_FR (cpu, out_FRkhi); + post_wait_for_FR (cpu, out_FRklo); + + /* The latency of the output register will be at least the latency of the + other inputs. Once initiated, post-processing has no latency. */ + if (out_FRkhi >= 0) + { + update_FR_latency (cpu, out_FRkhi, ps->post_wait); + update_FR_ptime (cpu, out_FRkhi, 0); + } + if (out_FRklo >= 0) + { + update_FR_latency (cpu, out_FRklo, ps->post_wait); + update_FR_ptime (cpu, out_FRklo, 0); + } + + return cycles; +} + +int +frvbf_model_fr400_u_media_2 (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; + int busy_adjustment[] = {0, 0, 0, 0, 0, 0}; + int *fr; + int *acc; + + 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 13-8 in the LSI. */ + if (in_FRi >= 0) + { + if (use_is_fp_load (cpu, in_FRi)) + { + busy_adjustment[0] = 1; + decrease_FR_busy (cpu, in_FRi, busy_adjustment[0]); + } + else + enforce_full_fr_latency (cpu, in_FRi); + } + if (in_FRj >= 0 && in_FRj != in_FRi) + { + if (use_is_fp_load (cpu, in_FRj)) + { + busy_adjustment[1] = 1; + decrease_FR_busy (cpu, in_FRj, busy_adjustment[1]); + } + else + enforce_full_fr_latency (cpu, in_FRj); + } + if (out_ACC40Sk >= 0) + { + if (acc_use_is_media_p2 (cpu, out_ACC40Sk)) + { + busy_adjustment[2] = 1; + decrease_ACC_busy (cpu, out_ACC40Sk, busy_adjustment[2]); + } + } + if (dual_ACC40Sk >= 0) + { + if (acc_use_is_media_p2 (cpu, dual_ACC40Sk)) + { + busy_adjustment[3] = 1; + decrease_ACC_busy (cpu, dual_ACC40Sk, busy_adjustment[3]); + } + } + if (out_ACC40Uk >= 0) + { + if (acc_use_is_media_p2 (cpu, out_ACC40Uk)) + { + busy_adjustment[4] = 1; + decrease_ACC_busy (cpu, out_ACC40Uk, busy_adjustment[4]); + } + } + if (dual_ACC40Uk >= 0) + { + if (acc_use_is_media_p2 (cpu, dual_ACC40Uk)) + { + busy_adjustment[5] = 1; + decrease_ACC_busy (cpu, dual_ACC40Uk, busy_adjustment[5]); + } + } + + /* The post processing must wait if there is a dependency on a FR + which is not ready yet. */ + ps->post_wait = cycles; + 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. */ + fr = ps->fr_busy; + acc = ps->acc_busy; + fr[in_FRi] += busy_adjustment[0]; + fr[in_FRj] += busy_adjustment[1]; + if (out_ACC40Sk >= 0) + acc[out_ACC40Sk] += busy_adjustment[2]; + if (dual_ACC40Sk >= 0) + acc[dual_ACC40Sk] += busy_adjustment[3]; + if (out_ACC40Uk >= 0) + acc[out_ACC40Uk] += busy_adjustment[4]; + if (dual_ACC40Uk >= 0) + acc[dual_ACC40Uk] += busy_adjustment[5]; + + /* 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_acc_use_is_media_p2 (cpu, out_ACC40Sk); + } + if (dual_ACC40Sk >= 0) + { + update_ACC_latency (cpu, dual_ACC40Sk, ps->post_wait + 1); + set_acc_use_is_media_p2 (cpu, dual_ACC40Sk); + } + if (out_ACC40Uk >= 0) + { + update_ACC_latency (cpu, out_ACC40Uk, ps->post_wait + 1); + set_acc_use_is_media_p2 (cpu, out_ACC40Uk); + } + if (dual_ACC40Uk >= 0) + { + update_ACC_latency (cpu, dual_ACC40Uk, ps->post_wait + 1); + set_acc_use_is_media_p2 (cpu, dual_ACC40Uk); + } + + return cycles; +} + +int +frvbf_model_fr400_u_media_2_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; + int busy_adjustment[] = {0, 0, 0, 0, 0, 0, 0 ,0}; + int *fr; + int *acc; + + 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 13-8 in the LSI. */ + if (use_is_fp_load (cpu, in_FRi)) + { + busy_adjustment[0] = 1; + decrease_FR_busy (cpu, in_FRi, busy_adjustment[0]); + } + else + enforce_full_fr_latency (cpu, in_FRi); + if (dual_FRi >= 0 && use_is_fp_load (cpu, dual_FRi)) + { + busy_adjustment[1] = 1; + decrease_FR_busy (cpu, dual_FRi, busy_adjustment[1]); + } + else + enforce_full_fr_latency (cpu, dual_FRi); + if (in_FRj != in_FRi) + { + if (use_is_fp_load (cpu, in_FRj)) + { + busy_adjustment[2] = 1; + decrease_FR_busy (cpu, in_FRj, busy_adjustment[2]); + } + else + enforce_full_fr_latency (cpu, in_FRj); + if (dual_FRj >= 0 && use_is_fp_load (cpu, dual_FRj)) + { + busy_adjustment[3] = 1; + decrease_FR_busy (cpu, dual_FRj, busy_adjustment[3]); + } + else + enforce_full_fr_latency (cpu, dual_FRj); + } + if (out_ACC40Sk >= 0) + { + if (acc_use_is_media_p2 (cpu, out_ACC40Sk)) + { + busy_adjustment[4] = 1; + decrease_ACC_busy (cpu, out_ACC40Sk, busy_adjustment[4]); + } + if (ACC40Sk_1 >= 0) + { + if (acc_use_is_media_p2 (cpu, ACC40Sk_1)) + { + busy_adjustment[5] = 1; + decrease_ACC_busy (cpu, ACC40Sk_1, busy_adjustment[5]); + } + } + if (ACC40Sk_2 >= 0) + { + if (acc_use_is_media_p2 (cpu, ACC40Sk_2)) + { + busy_adjustment[6] = 1; + decrease_ACC_busy (cpu, ACC40Sk_2, busy_adjustment[6]); + } + } + if (ACC40Sk_3 >= 0) + { + if (acc_use_is_media_p2 (cpu, ACC40Sk_3)) + { + busy_adjustment[7] = 1; + decrease_ACC_busy (cpu, ACC40Sk_3, busy_adjustment[7]); + } + } + } + else if (out_ACC40Uk >= 0) + { + if (acc_use_is_media_p2 (cpu, out_ACC40Uk)) + { + busy_adjustment[4] = 1; + decrease_ACC_busy (cpu, out_ACC40Uk, busy_adjustment[4]); + } + if (ACC40Uk_1 >= 0) + { + if (acc_use_is_media_p2 (cpu, ACC40Uk_1)) + { + busy_adjustment[5] = 1; + decrease_ACC_busy (cpu, ACC40Uk_1, busy_adjustment[5]); + } + } + if (ACC40Uk_2 >= 0) + { + if (acc_use_is_media_p2 (cpu, ACC40Uk_2)) + { + busy_adjustment[6] = 1; + decrease_ACC_busy (cpu, ACC40Uk_2, busy_adjustment[6]); + } + } + if (ACC40Uk_3 >= 0) + { + if (acc_use_is_media_p2 (cpu, ACC40Uk_3)) + { + busy_adjustment[7] = 1; + decrease_ACC_busy (cpu, ACC40Uk_3, busy_adjustment[7]); + } + } + } + + /* The post processing must wait if there is a dependency on a FR + which is not ready yet. */ + ps->post_wait = cycles; + 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. */ + fr = ps->fr_busy; + acc = ps->acc_busy; + fr[in_FRi] += busy_adjustment[0]; + if (dual_FRi >= 0) + fr[dual_FRi] += busy_adjustment[1]; + fr[in_FRj] += busy_adjustment[2]; + if (dual_FRj > 0) + fr[dual_FRj] += busy_adjustment[3]; + if (out_ACC40Sk >= 0) + { + acc[out_ACC40Sk] += busy_adjustment[4]; + if (ACC40Sk_1 >= 0) + acc[ACC40Sk_1] += busy_adjustment[5]; + if (ACC40Sk_2 >= 0) + acc[ACC40Sk_2] += busy_adjustment[6]; + if (ACC40Sk_3 >= 0) + acc[ACC40Sk_3] += busy_adjustment[7]; + } + else if (out_ACC40Uk >= 0) + { + acc[out_ACC40Uk] += busy_adjustment[4]; + if (ACC40Uk_1 >= 0) + acc[ACC40Uk_1] += busy_adjustment[5]; + if (ACC40Uk_2 >= 0) + acc[ACC40Uk_2] += busy_adjustment[6]; + if (ACC40Uk_3 >= 0) + acc[ACC40Uk_3] += busy_adjustment[7]; + } + + /* 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_acc_use_is_media_p2 (cpu, out_ACC40Sk); + if (ACC40Sk_1 >= 0) + { + update_ACC_latency (cpu, ACC40Sk_1, ps->post_wait + 1); + + set_acc_use_is_media_p2 (cpu, ACC40Sk_1); + } + if (ACC40Sk_2 >= 0) + { + update_ACC_latency (cpu, ACC40Sk_2, ps->post_wait + 1); + + set_acc_use_is_media_p2 (cpu, ACC40Sk_2); + } + if (ACC40Sk_3 >= 0) + { + update_ACC_latency (cpu, ACC40Sk_3, ps->post_wait + 1); + + set_acc_use_is_media_p2 (cpu, ACC40Sk_3); + } + } + else if (out_ACC40Uk >= 0) + { + update_ACC_latency (cpu, out_ACC40Uk, ps->post_wait + 1); + + set_acc_use_is_media_p2 (cpu, out_ACC40Uk); + if (ACC40Uk_1 >= 0) + { + update_ACC_latency (cpu, ACC40Uk_1, ps->post_wait + 1); + + set_acc_use_is_media_p2 (cpu, ACC40Uk_1); + } + if (ACC40Uk_2 >= 0) + { + update_ACC_latency (cpu, ACC40Uk_2, ps->post_wait + 1); + + set_acc_use_is_media_p2 (cpu, ACC40Uk_2); + } + if (ACC40Uk_3 >= 0) + { + update_ACC_latency (cpu, ACC40Uk_3, ps->post_wait + 1); + + set_acc_use_is_media_p2 (cpu, ACC40Uk_3); + } + } + + return cycles; +} + +int +frvbf_model_fr400_u_media_2_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; + int busy_adjustment[] = {0, 0, 0}; + int *acc; + + 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 13-8 in the LSI. */ + if (acc_use_is_media_p2 (cpu, in_ACC40Si)) + { + busy_adjustment[0] = 1; + decrease_ACC_busy (cpu, in_ACC40Si, busy_adjustment[0]); + } + if (ACC40Si_1 >= 0 && acc_use_is_media_p2 (cpu, ACC40Si_1)) + { + busy_adjustment[1] = 1; + decrease_ACC_busy (cpu, ACC40Si_1, busy_adjustment[1]); + } + if (out_ACC40Sk != in_ACC40Si && out_ACC40Sk != ACC40Si_1 + && acc_use_is_media_p2 (cpu, out_ACC40Sk)) + { + busy_adjustment[2] = 1; + decrease_ACC_busy (cpu, out_ACC40Sk, busy_adjustment[2]); + } + + /* The post processing must wait if there is a dependency on a register + which is not ready yet. */ + ps->post_wait = cycles; + 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. */ + acc = ps->acc_busy; + acc[in_ACC40Si] += busy_adjustment[0]; + if (ACC40Si_1 >= 0) + acc[ACC40Si_1] += busy_adjustment[1]; + acc[out_ACC40Sk] += busy_adjustment[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_acc_use_is_media_p2 (cpu, out_ACC40Sk); + + return cycles; +} + +int +frvbf_model_fr400_u_media_2_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; + int busy_adjustment[] = {0, 0, 0, 0, 0, 0}; + int *acc; + + 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 13-8 in the LSI. */ + if (acc_use_is_media_p2 (cpu, in_ACC40Si)) + { + busy_adjustment[0] = 1; + decrease_ACC_busy (cpu, in_ACC40Si, busy_adjustment[0]); + } + if (ACC40Si_1 >= 0 && acc_use_is_media_p2 (cpu, ACC40Si_1)) + { + busy_adjustment[1] = 1; + decrease_ACC_busy (cpu, ACC40Si_1, busy_adjustment[1]); + } + if (ACC40Si_2 >= 0 && acc_use_is_media_p2 (cpu, ACC40Si_2)) + { + busy_adjustment[2] = 1; + decrease_ACC_busy (cpu, ACC40Si_2, busy_adjustment[2]); + } + if (ACC40Si_3 >= 0 && acc_use_is_media_p2 (cpu, ACC40Si_3)) + { + busy_adjustment[3] = 1; + decrease_ACC_busy (cpu, ACC40Si_3, busy_adjustment[3]); + } + if (out_ACC40Sk != in_ACC40Si && out_ACC40Sk != ACC40Si_1 + && out_ACC40Sk != ACC40Si_2 && out_ACC40Sk != ACC40Si_3) + { + if (acc_use_is_media_p2 (cpu, out_ACC40Sk)) + { + busy_adjustment[4] = 1; + decrease_ACC_busy (cpu, out_ACC40Sk, busy_adjustment[4]); + } + } + if (ACC40Sk_1 != in_ACC40Si && ACC40Sk_1 != ACC40Si_1 + && ACC40Sk_1 != ACC40Si_2 && ACC40Sk_1 != ACC40Si_3) + { + if (acc_use_is_media_p2 (cpu, ACC40Sk_1)) + { + busy_adjustment[5] = 1; + decrease_ACC_busy (cpu, ACC40Sk_1, busy_adjustment[5]); + } + } + + /* The post processing must wait if there is a dependency on a register + which is not ready yet. */ + ps->post_wait = cycles; + 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. */ + acc = ps->acc_busy; + acc[in_ACC40Si] += busy_adjustment[0]; + if (ACC40Si_1 >= 0) + acc[ACC40Si_1] += busy_adjustment[1]; + if (ACC40Si_2 >= 0) + acc[ACC40Si_2] += busy_adjustment[2]; + if (ACC40Si_3 >= 0) + acc[ACC40Si_3] += busy_adjustment[3]; + acc[out_ACC40Sk] += busy_adjustment[4]; + if (ACC40Sk_1 >= 0) + acc[ACC40Sk_1] += busy_adjustment[5]; + + /* 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_acc_use_is_media_p2 (cpu, out_ACC40Sk); + if (ACC40Sk_1 >= 0) + { + update_ACC_latency (cpu, ACC40Sk_1, ps->post_wait + 1); + set_acc_use_is_media_p2 (cpu, ACC40Sk_1); + } + + return cycles; +} + +int +frvbf_model_fr400_u_media_2_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; + int busy_adjustment[] = {0, 0, 0, 0}; + int *acc; + + 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 13-8 in the LSI. */ + if (acc_use_is_media_p2 (cpu, in_ACC40Si)) + { + busy_adjustment[0] = 1; + decrease_ACC_busy (cpu, in_ACC40Si, busy_adjustment[0]); + } + if (ACC40Si_1 >= 0 && acc_use_is_media_p2 (cpu, ACC40Si_1)) + { + busy_adjustment[1] = 1; + decrease_ACC_busy (cpu, ACC40Si_1, busy_adjustment[1]); + } + if (out_ACC40Sk != in_ACC40Si && out_ACC40Sk != ACC40Si_1) + { + if (acc_use_is_media_p2 (cpu, out_ACC40Sk)) + { + busy_adjustment[2] = 1; + decrease_ACC_busy (cpu, out_ACC40Sk, busy_adjustment[2]); + } + } + if (ACC40Sk_1 != in_ACC40Si && ACC40Sk_1 != ACC40Si_1) + { + if (acc_use_is_media_p2 (cpu, ACC40Sk_1)) + { + busy_adjustment[3] = 1; + decrease_ACC_busy (cpu, ACC40Sk_1, busy_adjustment[3]); + } + } + + /* The post processing must wait if there is a dependency on a register + which is not ready yet. */ + ps->post_wait = cycles; + 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. */ + acc = ps->acc_busy; + acc[in_ACC40Si] += busy_adjustment[0]; + if (ACC40Si_1 >= 0) + acc[ACC40Si_1] += busy_adjustment[1]; + acc[out_ACC40Sk] += busy_adjustment[2]; + if (ACC40Sk_1 >= 0) + acc[ACC40Sk_1] += busy_adjustment[3]; + + /* 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_acc_use_is_media_p2 (cpu, out_ACC40Sk); + if (ACC40Sk_1 >= 0) + { + update_ACC_latency (cpu, ACC40Sk_1, ps->post_wait + 1); + set_acc_use_is_media_p2 (cpu, ACC40Sk_1); + } + + return cycles; +} + +int +frvbf_model_fr400_u_media_2_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; + int busy_adjustment[] = {0, 0, 0, 0, 0, 0, 0, 0}; + int *acc; + + 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 13-8 in the LSI. */ + if (acc_use_is_media_p2 (cpu, in_ACC40Si)) + { + busy_adjustment[0] = 1; + decrease_ACC_busy (cpu, in_ACC40Si, busy_adjustment[0]); + } + if (ACC40Si_1 >= 0 && acc_use_is_media_p2 (cpu, ACC40Si_1)) + { + busy_adjustment[1] = 1; + decrease_ACC_busy (cpu, ACC40Si_1, busy_adjustment[1]); + } + if (ACC40Si_2 >= 0 && acc_use_is_media_p2 (cpu, ACC40Si_2)) + { + busy_adjustment[2] = 1; + decrease_ACC_busy (cpu, ACC40Si_2, busy_adjustment[2]); + } + if (ACC40Si_3 >= 0 && acc_use_is_media_p2 (cpu, ACC40Si_3)) + { + busy_adjustment[3] = 1; + decrease_ACC_busy (cpu, ACC40Si_3, busy_adjustment[3]); + } + if (out_ACC40Sk != in_ACC40Si && out_ACC40Sk != ACC40Si_1 + && out_ACC40Sk != ACC40Si_2 && out_ACC40Sk != ACC40Si_3) + { + if (acc_use_is_media_p2 (cpu, out_ACC40Sk)) + { + busy_adjustment[4] = 1; + decrease_ACC_busy (cpu, out_ACC40Sk, busy_adjustment[4]); + } + } + if (ACC40Sk_1 != in_ACC40Si && ACC40Sk_1 != ACC40Si_1 + && ACC40Sk_1 != ACC40Si_2 && ACC40Sk_1 != ACC40Si_3) + { + if (acc_use_is_media_p2 (cpu, ACC40Sk_1)) + { + busy_adjustment[5] = 1; + decrease_ACC_busy (cpu, ACC40Sk_1, busy_adjustment[5]); + } + } + if (ACC40Sk_2 != in_ACC40Si && ACC40Sk_2 != ACC40Si_1 + && ACC40Sk_2 != ACC40Si_2 && ACC40Sk_2 != ACC40Si_3) + { + if (acc_use_is_media_p2 (cpu, ACC40Sk_2)) + { + busy_adjustment[6] = 1; + decrease_ACC_busy (cpu, ACC40Sk_2, busy_adjustment[6]); + } + } + if (ACC40Sk_3 != in_ACC40Si && ACC40Sk_3 != ACC40Si_1 + && ACC40Sk_3 != ACC40Si_2 && ACC40Sk_3 != ACC40Si_3) + { + if (acc_use_is_media_p2 (cpu, ACC40Sk_3)) + { + busy_adjustment[7] = 1; + decrease_ACC_busy (cpu, ACC40Sk_3, busy_adjustment[7]); + } + } + + /* The post processing must wait if there is a dependency on a register + which is not ready yet. */ + ps->post_wait = cycles; + 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. */ + acc = ps->acc_busy; + acc[in_ACC40Si] += busy_adjustment[0]; + if (ACC40Si_1 >= 0) + acc[ACC40Si_1] += busy_adjustment[1]; + if (ACC40Si_2 >= 0) + acc[ACC40Si_2] += busy_adjustment[2]; + if (ACC40Si_3 >= 0) + acc[ACC40Si_3] += busy_adjustment[3]; + acc[out_ACC40Sk] += busy_adjustment[4]; + if (ACC40Sk_1 >= 0) + acc[ACC40Sk_1] += busy_adjustment[5]; + if (ACC40Sk_2 >= 0) + acc[ACC40Sk_2] += busy_adjustment[6]; + if (ACC40Sk_3 >= 0) + acc[ACC40Sk_3] += busy_adjustment[7]; + + /* 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_acc_use_is_media_p2 (cpu, out_ACC40Sk); + if (ACC40Sk_1 >= 0) + { + update_ACC_latency (cpu, ACC40Sk_1, ps->post_wait + 1); + set_acc_use_is_media_p2 (cpu, ACC40Sk_1); + } + if (ACC40Sk_2 >= 0) + { + update_ACC_latency (cpu, ACC40Sk_2, ps->post_wait + 1); + set_acc_use_is_media_p2 (cpu, ACC40Sk_2); + } + if (ACC40Sk_3 >= 0) + { + update_ACC_latency (cpu, ACC40Sk_3, ps->post_wait + 1); + set_acc_use_is_media_p2 (cpu, ACC40Sk_3); + } + + return cycles; +} + +int +frvbf_model_fr400_u_media_3 (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_FRi, INT in_FRj, + INT out_FRk) +{ + /* Modelling is the same as media unit 1. */ + return frvbf_model_fr400_u_media_1 (cpu, idesc, unit_num, referenced, + in_FRi, in_FRj, out_FRk); +} + +int +frvbf_model_fr400_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; + int busy_adjustment[] = {0, 0}; + int *fr; + + 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_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 13-8 in the LSI. */ + if (use_is_fp_load (cpu, in_FRi)) + { + busy_adjustment[0] = 1; + decrease_FR_busy (cpu, in_FRi, busy_adjustment[0]); + } + else + enforce_full_fr_latency (cpu, in_FRi); + if (dual_FRi >= 0 && use_is_fp_load (cpu, dual_FRi)) + { + busy_adjustment[1] = 1; + decrease_FR_busy (cpu, dual_FRi, busy_adjustment[1]); + } + else + enforce_full_fr_latency (cpu, dual_FRi); + + /* The post processing must wait if there is a dependency on a FR + which is not ready yet. */ + ps->post_wait = cycles; + 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. */ + fr = ps->fr_busy; + fr[in_FRi] += busy_adjustment[0]; + if (dual_FRi >= 0) + fr[dual_FRi] += busy_adjustment[1]; + + /* The latency of the output register will be at least the latency of the + other inputs. */ + update_FR_latency (cpu, out_FRk, ps->post_wait); + + /* Once initiated, post-processing has no latency. */ + update_FR_ptime (cpu, out_FRk, 0); + + return cycles; +} + +int +frvbf_model_fr400_u_media_3_quad (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_FRi, INT in_FRj, + INT out_FRk) +{ + /* Modelling is the same as media unit 1. */ + return frvbf_model_fr400_u_media_1_quad (cpu, idesc, unit_num, referenced, + in_FRi, in_FRj, out_FRk); +} + +int +frvbf_model_fr400_u_media_4 (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_ACC40Si, INT in_FRj, + INT out_ACC40Sk, INT out_FRk) +{ + int cycles; + FRV_PROFILE_STATE *ps; + const CGEN_INSN *insn; + int busy_adjustment[] = {0}; + int *fr; + + 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); + insn = idesc->idata; + + /* 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. */ + if (in_FRj >= 0) + { + if (use_is_fp_load (cpu, in_FRj)) + { + busy_adjustment[0] = 1; + decrease_FR_busy (cpu, in_FRj, busy_adjustment[0]); + } + else + enforce_full_fr_latency (cpu, in_FRj); + } + + /* The post processing must wait if there is a dependency on a FR + which is not ready yet. */ + ps->post_wait = cycles; + post_wait_for_ACC (cpu, in_ACC40Si); + post_wait_for_ACC (cpu, out_ACC40Sk); + post_wait_for_FR (cpu, in_FRj); + post_wait_for_FR (cpu, out_FRk); + + /* Restore the busy cycles of the registers we used. */ + fr = ps->fr_busy; + + /* 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_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 media unit 4. */ + set_use_is_media_p4 (cpu, out_FRk); + } + else if (out_ACC40Sk >= 0) + { + update_ACC_latency (cpu, out_ACC40Sk, ps->post_wait); + update_ACC_ptime (cpu, out_ACC40Sk, 1); + /* Mark this use of the register as media unit 4. */ + set_acc_use_is_media_p4 (cpu, out_ACC40Sk); + } + + return cycles; +} + +int +frvbf_model_fr400_u_media_4_accg (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_ACCGi, INT in_FRinti, + INT out_ACCGk, INT out_FRintk) +{ + /* Modelling is the same as media-4 unit except use accumulator guards + as input instead of accumulators. */ + return frvbf_model_fr400_u_media_4 (cpu, idesc, unit_num, referenced, + in_ACCGi, in_FRinti, + out_ACCGk, out_FRintk); +} + +int +frvbf_model_fr400_u_media_4_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; + const CGEN_INSN *insn; + INT ACC40Si_1; + INT FRk_1; + + 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); + ACC40Si_1 = DUAL_REG (in_ACC40Si); + FRk_1 = DUAL_REG (out_FRk); + + insn = idesc->idata; + + /* The post processing must wait if there is a dependency on a FR + which is not ready yet. */ + ps->post_wait = cycles; + 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, FRk_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. */ + 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 media unit 4. */ + set_use_is_media_p4 (cpu, out_FRk); + } + if (FRk_1 >= 0) + { + update_FR_latency (cpu, FRk_1, ps->post_wait); + update_FR_ptime (cpu, FRk_1, 1); + /* Mark this use of the register as media unit 4. */ + set_use_is_media_p4 (cpu, FRk_1); + } + + return cycles; +} + +int +frvbf_model_fr400_u_media_6 (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_FRi, INT out_FRk) +{ + int cycles; + FRV_PROFILE_STATE *ps; + const CGEN_INSN *insn; + int busy_adjustment[] = {0}; + int *fr; + + 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); + insn = idesc->idata; + + /* 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. */ + if (in_FRi >= 0) + { + if (use_is_fp_load (cpu, in_FRi)) + { + busy_adjustment[0] = 1; + decrease_FR_busy (cpu, in_FRi, busy_adjustment[0]); + } + else + enforce_full_fr_latency (cpu, in_FRi); + } + + /* The post processing must wait if there is a dependency on a FR + which is not ready yet. */ + ps->post_wait = cycles; + post_wait_for_FR (cpu, in_FRi); + post_wait_for_FR (cpu, out_FRk); + + /* Restore the busy cycles of the registers we used. */ + fr = ps->fr_busy; + if (in_FRi >= 0) + fr[in_FRi] += busy_adjustment[0]; + + /* 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_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 media unit 1. */ + set_use_is_media_p6 (cpu, out_FRk); + } + + return cycles; +} + +int +frvbf_model_fr400_u_media_7 (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_FRinti, INT in_FRintj, + INT out_FCCk) +{ + int cycles; + FRV_PROFILE_STATE *ps; + int busy_adjustment[] = {0, 0}; + int *fr; + + 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); + + /* 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. */ + if (in_FRinti >= 0) + { + if (use_is_fp_load (cpu, in_FRinti)) + { + busy_adjustment[0] = 1; + decrease_FR_busy (cpu, in_FRinti, busy_adjustment[0]); + } + else + enforce_full_fr_latency (cpu, in_FRinti); + } + if (in_FRintj >= 0 && in_FRintj != in_FRinti) + { + if (use_is_fp_load (cpu, in_FRintj)) + { + busy_adjustment[1] = 1; + decrease_FR_busy (cpu, in_FRintj, busy_adjustment[1]); + } + else + enforce_full_fr_latency (cpu, in_FRintj); + } + + ps->post_wait = cycles; + post_wait_for_FR (cpu, in_FRinti); + post_wait_for_FR (cpu, in_FRintj); + post_wait_for_CCR (cpu, out_FCCk); + + /* Restore the busy cycles of the registers we used. */ + fr = ps->fr_busy; + if (in_FRinti >= 0) + fr[in_FRinti] += busy_adjustment[0]; + if (in_FRintj >= 0) + fr[in_FRintj] += busy_adjustment[1]; + + /* The latency of FCCi_2 will be the latency of the other inputs plus 1 + cycle. */ + update_CCR_latency (cpu, out_FCCk, ps->post_wait + 1); + + return cycles; +} + +int +frvbf_model_fr400_u_media_dual_expand (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_FRi, + INT out_FRk) +{ + /* Insns using this unit are media-3 class insns, with a dual FRk output. */ + int cycles; + INT dual_FRk; + FRV_PROFILE_STATE *ps; + int busy_adjustment[] = {0}; + int *fr; + + 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 13-13 in the LSI. */ + dual_FRk = DUAL_REG (out_FRk); + ps = CPU_PROFILE_STATE (cpu); + if (use_is_fp_load (cpu, in_FRi)) + { + busy_adjustment[0] = 1; + decrease_FR_busy (cpu, in_FRi, busy_adjustment[0]); + } + else + enforce_full_fr_latency (cpu, in_FRi); + + /* The post processing must wait if there is a dependency on a FR + which is not ready yet. */ + ps->post_wait = cycles; + 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. */ + fr = ps->fr_busy; + fr[in_FRi] += busy_adjustment[0]; + + /* The latency of the output register will be at least the latency of the + other inputs. Once initiated, post-processing has no latency. */ + update_FR_latency (cpu, out_FRk, ps->post_wait); + update_FR_ptime (cpu, out_FRk, 0); + + if (dual_FRk >= 0) + { + update_FR_latency (cpu, dual_FRk, ps->post_wait); + update_FR_ptime (cpu, dual_FRk, 0); + } + + return cycles; +} + +int +frvbf_model_fr400_u_media_dual_htob (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_FRj, + INT out_FRk) +{ + /* Insns using this unit are media-3 class insns, with a dual FRj input. */ + int cycles; + INT dual_FRj; + FRV_PROFILE_STATE *ps; + int busy_adjustment[] = {0, 0}; + int *fr; + + 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 13-13 in the LSI. */ + dual_FRj = DUAL_REG (in_FRj); + ps = CPU_PROFILE_STATE (cpu); + if (use_is_fp_load (cpu, in_FRj)) + { + busy_adjustment[0] = 1; + decrease_FR_busy (cpu, in_FRj, busy_adjustment[0]); + } + else + enforce_full_fr_latency (cpu, in_FRj); + if (dual_FRj >= 0) + { + if (use_is_fp_load (cpu, dual_FRj)) + { + busy_adjustment[1] = 1; + decrease_FR_busy (cpu, dual_FRj, busy_adjustment[1]); + } + else + enforce_full_fr_latency (cpu, dual_FRj); + } + + /* The post processing must wait if there is a dependency on a FR + which is not ready yet. */ + ps->post_wait = cycles; + post_wait_for_FR (cpu, in_FRj); + post_wait_for_FR (cpu, dual_FRj); + post_wait_for_FR (cpu, out_FRk); + + /* Restore the busy cycles of the registers we used. */ + fr = ps->fr_busy; + fr[in_FRj] += busy_adjustment[0]; + if (dual_FRj >= 0) + fr[dual_FRj] += busy_adjustment[1]; + + /* The latency of the output register will be at least the latency of the + other inputs. */ + update_FR_latency (cpu, out_FRk, ps->post_wait); + + /* Once initiated, post-processing has no latency. */ + update_FR_ptime (cpu, out_FRk, 0); + + return cycles; +} + +int +frvbf_model_fr400_u_ici (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_GRi, INT in_GRj) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_ici (cpu, idesc, unit_num, referenced, + in_GRi, in_GRj); +} + +int +frvbf_model_fr400_u_dci (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_GRi, INT in_GRj) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_dci (cpu, idesc, unit_num, referenced, + in_GRi, in_GRj); +} + +int +frvbf_model_fr400_u_dcf (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_GRi, INT in_GRj) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_dcf (cpu, idesc, unit_num, referenced, + in_GRi, in_GRj); +} + +int +frvbf_model_fr400_u_icpl (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_GRi, INT in_GRj) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_icpl (cpu, idesc, unit_num, referenced, + in_GRi, in_GRj); +} + +int +frvbf_model_fr400_u_dcpl (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_GRi, INT in_GRj) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_dcpl (cpu, idesc, unit_num, referenced, + in_GRi, in_GRj); +} + +int +frvbf_model_fr400_u_icul (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_GRi, INT in_GRj) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_icul (cpu, idesc, unit_num, referenced, + in_GRi, in_GRj); +} + +int +frvbf_model_fr400_u_dcul (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced, + INT in_GRi, INT in_GRj) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_dcul (cpu, idesc, unit_num, referenced, + in_GRi, in_GRj); +} + +int +frvbf_model_fr400_u_barrier (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_barrier (cpu, idesc, unit_num, referenced); +} + +int +frvbf_model_fr400_u_membar (SIM_CPU *cpu, const IDESC *idesc, + int unit_num, int referenced) +{ + /* Modelling for this unit is the same as for fr500. */ + return frvbf_model_fr500_u_membar (cpu, idesc, unit_num, referenced); +} + +#endif /* WITH_PROFILE_MODEL_P */ |