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path: root/compiler_and_linker/unsorted/MachineSimulation750.c
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-rw-r--r--compiler_and_linker/unsorted/MachineSimulation750.c678
1 files changed, 0 insertions, 678 deletions
diff --git a/compiler_and_linker/unsorted/MachineSimulation750.c b/compiler_and_linker/unsorted/MachineSimulation750.c
deleted file mode 100644
index d412df3..0000000
--- a/compiler_and_linker/unsorted/MachineSimulation750.c
+++ /dev/null
@@ -1,678 +0,0 @@
-#include "compiler/Scheduler.h"
-#include "compiler/PCode.h"
-#include "compiler/PCodeInfo.h"
-
-// https://www.nxp.com/docs/en/reference-manual/MPC750UM.pdf
-
-typedef enum Stage {
- BPU, // Branch Prediction Unit
- IU1, // Integer Unit 1
- IU2, // Integer Unit 2
-
- LSU1, // Load/Store Unit
- LSU2,
-
- FPU1, // Floating Point Unit
- FPU2,
- FPU3,
-
- SRU, // System Register Unit
-
- NumStages
-} Stage;
-
-static struct {
- // the instruction currently in this pipeline stage
- PCode *instr;
-
- // how many cycles are left for this instruction to finish
- int remaining;
-} pipeline[NumStages];
-
-static PCode *iu1_completed_instruction;
-static PCode *iu2_completed_instruction;
-
-enum {
- MaxEntries = 6
-};
-
-static struct {
- // how many entries remain unused in the queue
- unsigned int free;
-
- // how many entries are currently used in the queue
- unsigned int used;
-
- // the index of the next instruction that will be retired
- unsigned int nextToRetire;
-
- // the index of the next free slot that will be used when an instruction is dispatched
- unsigned int nextFreeSlot;
-
- // circular array of entries in the completion queue
- struct {
- PCode *instr;
- int completed;
- } entries[MaxEntries];
-} completionbuffers;
-
-static struct {
- // the initial stage for this instruction
- Stage stage;
-
- // the total amount of cycles required by this instruction
- char latency;
-
- // how long it takes to finish each stage
- char cycles[3];
-
- // does this instruction serialise?
- char serializes;
-} instruction_timing[OPCODE_MAX] = {
- BPU, 0, 0, 0, 0, 1, // PC_B
- BPU, 0, 0, 0, 0, 1, // PC_BL
- BPU, 0, 0, 0, 0, 1, // PC_BC
- BPU, 0, 0, 0, 0, 1, // PC_BCLR
- BPU, 0, 0, 0, 0, 1, // PC_BCCTR
- BPU, 0, 0, 0, 0, 1, // PC_BT
- BPU, 0, 0, 0, 0, 1, // PC_BTLR
- BPU, 0, 0, 0, 0, 1, // PC_BTCTR
- BPU, 0, 0, 0, 0, 1, // PC_BF
- BPU, 0, 0, 0, 0, 1, // PC_BFLR
- BPU, 0, 0, 0, 0, 1, // PC_BFCTR
- BPU, 0, 0, 0, 0, 1, // PC_BDNZ
- BPU, 0, 0, 0, 0, 1, // PC_BDNZT
- BPU, 0, 0, 0, 0, 1, // PC_BDNZF
- BPU, 0, 0, 0, 0, 1, // PC_BDZ
- BPU, 0, 0, 0, 0, 1, // PC_BDZT
- BPU, 0, 0, 0, 0, 1, // PC_BDZF
- BPU, 0, 0, 0, 0, 1, // PC_BLR
- BPU, 0, 0, 0, 0, 1, // PC_BCTR
- BPU, 0, 0, 0, 0, 1, // PC_BCTRL
- BPU, 0, 0, 0, 0, 1, // PC_BLRL
- LSU1, 2, 1, 1, 0, 0, // PC_LBZ
- LSU1, 2, 1, 1, 0, 0, // PC_LBZU
- LSU1, 2, 1, 1, 0, 0, // PC_LBZX
- LSU1, 2, 1, 1, 0, 0, // PC_LBZUX
- LSU1, 2, 1, 1, 0, 0, // PC_LHZ
- LSU1, 2, 1, 1, 0, 0, // PC_LHZU
- LSU1, 2, 1, 1, 0, 0, // PC_LHZX
- LSU1, 2, 1, 1, 0, 0, // PC_LHZUX
- LSU1, 2, 1, 1, 0, 0, // PC_LHA
- LSU1, 2, 1, 1, 0, 0, // PC_LHAU
- LSU1, 2, 1, 1, 0, 0, // PC_LHAX
- LSU1, 2, 1, 1, 0, 0, // PC_LHAUX
- LSU1, 2, 1, 1, 0, 0, // PC_LHBRX
- LSU1, 2, 1, 1, 0, 0, // PC_LWZ
- LSU1, 2, 1, 1, 0, 0, // PC_LWZU
- LSU1, 2, 1, 1, 0, 0, // PC_LWZX
- LSU1, 2, 1, 1, 0, 0, // PC_LWZUX
- LSU1, 2, 1, 1, 0, 0, // PC_LWBRX
- LSU1, 2, 1, 1, 0, 0, // PC_LMW
- LSU1, 2, 1, 1, 0, 0, // PC_STB
- LSU1, 2, 1, 1, 0, 0, // PC_STBU
- LSU1, 2, 1, 1, 0, 0, // PC_STBX
- LSU1, 2, 1, 1, 0, 0, // PC_STBUX
- LSU1, 2, 1, 1, 0, 0, // PC_STH
- LSU1, 2, 1, 1, 0, 0, // PC_STHU
- LSU1, 2, 1, 1, 0, 0, // PC_STHX
- LSU1, 2, 1, 1, 0, 0, // PC_STHUX
- LSU1, 2, 1, 1, 0, 0, // PC_STHBRX
- LSU1, 2, 1, 1, 0, 0, // PC_STW
- LSU1, 2, 1, 1, 0, 0, // PC_STWU
- LSU1, 2, 1, 1, 0, 0, // PC_STWX
- LSU1, 2, 1, 1, 0, 0, // PC_STWUX
- LSU1, 2, 1, 1, 0, 0, // PC_STWBRX
- LSU1, 2, 1, 1, 0, 0, // PC_STMW
- LSU1, 3, 1, 2, 0, 0, // PC_DCBF
- LSU1, 3, 1, 2, 0, 0, // PC_DCBST
- LSU1, 2, 1, 1, 0, 0, // PC_DCBT
- LSU1, 2, 1, 1, 0, 0, // PC_DCBTST
- LSU1, 3, 1, 2, 0, 0, // PC_DCBZ
- IU2, 1, 1, 0, 0, 0, // PC_ADD
- IU2, 1, 1, 0, 0, 0, // PC_ADDC
- IU2, 1, 1, 0, 0, 0, // PC_ADDE
- IU2, 1, 1, 0, 0, 0, // PC_ADDI
- IU2, 1, 1, 0, 0, 0, // PC_ADDIC
- IU2, 1, 1, 0, 0, 0, // PC_ADDICR
- IU2, 1, 1, 0, 0, 0, // PC_ADDIS
- IU2, 1, 1, 0, 0, 0, // PC_ADDME
- IU2, 1, 1, 0, 0, 0, // PC_ADDZE
- IU1, 19, 19, 0, 0, 0, // PC_DIVW
- IU1, 19, 19, 0, 0, 0, // PC_DIVWU
- IU1, 5, 5, 0, 0, 0, // PC_MULHW
- IU1, 6, 5, 0, 0, 0, // PC_MULHWU
- IU1, 3, 3, 0, 0, 0, // PC_MULLI
- IU1, 5, 5, 0, 0, 0, // PC_MULLW
- IU2, 1, 1, 0, 0, 0, // PC_NEG
- IU2, 1, 1, 0, 0, 0, // PC_SUBF
- IU2, 1, 1, 0, 0, 0, // PC_SUBFC
- IU2, 1, 1, 0, 0, 0, // PC_SUBFE
- IU2, 1, 1, 0, 0, 0, // PC_SUBFIC
- IU2, 1, 1, 0, 0, 0, // PC_SUBFME
- IU2, 1, 1, 0, 0, 0, // PC_SUBFZE
- IU2, 3, 1, 0, 0, 0, // PC_CMPI
- IU2, 3, 1, 0, 0, 0, // PC_CMP
- IU2, 3, 1, 0, 0, 0, // PC_CMPLI
- IU2, 3, 1, 0, 0, 0, // PC_CMPL
- IU2, 1, 1, 0, 0, 0, // PC_ANDI
- IU2, 1, 1, 0, 0, 0, // PC_ANDIS
- IU2, 1, 1, 0, 0, 0, // PC_ORI
- IU2, 1, 1, 0, 0, 0, // PC_ORIS
- IU2, 1, 1, 0, 0, 0, // PC_XORI
- IU2, 1, 1, 0, 0, 0, // PC_XORIS
- IU2, 1, 1, 0, 0, 0, // PC_AND
- IU2, 1, 1, 0, 0, 0, // PC_OR
- IU2, 1, 1, 0, 0, 0, // PC_XOR
- IU2, 1, 1, 0, 0, 0, // PC_NAND
- IU2, 1, 1, 0, 0, 0, // PC_NOR
- IU2, 1, 1, 0, 0, 0, // PC_EQV
- IU2, 1, 1, 0, 0, 0, // PC_ANDC
- IU2, 1, 1, 0, 0, 0, // PC_ORC
- IU2, 1, 1, 0, 0, 0, // PC_EXTSB
- IU2, 1, 1, 0, 0, 0, // PC_EXTSH
- IU2, 1, 1, 0, 0, 0, // PC_CNTLZW
- IU2, 1, 1, 0, 0, 0, // PC_RLWINM
- IU2, 1, 1, 0, 0, 0, // PC_RLWNM
- IU2, 1, 1, 0, 0, 0, // PC_RLWIMI
- IU2, 1, 1, 0, 0, 0, // PC_SLW
- IU2, 1, 1, 0, 0, 0, // PC_SRW
- IU2, 1, 1, 0, 0, 0, // PC_SRAWI
- IU2, 1, 1, 0, 0, 0, // PC_SRAW
- SRU, 1, 1, 0, 0, 1, // PC_CRAND
- SRU, 1, 1, 0, 0, 1, // PC_CRANDC
- SRU, 1, 1, 0, 0, 1, // PC_CREQV
- SRU, 1, 1, 0, 0, 1, // PC_CRNAND
- SRU, 1, 1, 0, 0, 1, // PC_CRNOR
- SRU, 1, 1, 0, 0, 1, // PC_CROR
- SRU, 1, 1, 0, 0, 1, // PC_CRORC
- SRU, 1, 1, 0, 0, 1, // PC_CRXOR
- SRU, 1, 1, 0, 0, 1, // PC_MCRF
- SRU, 2, 2, 0, 0, 1, // PC_MTXER
- SRU, 2, 2, 0, 0, 1, // PC_MTCTR
- SRU, 2, 2, 0, 0, 1, // PC_MTLR
- SRU, 1, 1, 0, 0, 1, // PC_MTCRF
- SRU, 1, 1, 0, 0, 0, // PC_MTMSR
- SRU, 1, 1, 0, 0, 1, // PC_MTSPR
- SRU, 1, 1, 0, 0, 1, // PC_MFMSR
- SRU, 1, 1, 0, 0, 1, // PC_MFSPR
- SRU, 1, 1, 0, 0, 1, // PC_MFXER
- SRU, 1, 1, 0, 0, 1, // PC_MFCTR
- SRU, 1, 1, 0, 0, 1, // PC_MFLR
- SRU, 1, 1, 0, 0, 1, // PC_MFCR
- FPU1, 3, 1, 1, 1, 0, // PC_MFFS
- FPU1, 3, 1, 1, 1, 0, // PC_MTFSF
- SRU, 1, 1, 0, 0, 1, // PC_EIEIO
- SRU, 2, 2, 0, 0, 1, // PC_ISYNC
- SRU, 3, 3, 0, 0, 1, // PC_SYNC
- SRU, 1, 1, 0, 0, 1, // PC_RFI
- IU2, 1, 1, 0, 0, 0, // PC_LI
- IU2, 1, 1, 0, 0, 0, // PC_LIS
- IU2, 1, 1, 0, 0, 0, // PC_MR
- IU2, 1, 1, 0, 0, 0, // PC_NOP
- IU2, 1, 1, 0, 0, 0, // PC_NOT
- LSU1, 2, 1, 1, 0, 0, // PC_LFS
- LSU1, 2, 1, 1, 0, 0, // PC_LFSU
- LSU1, 2, 1, 1, 0, 0, // PC_LFSX
- LSU1, 2, 1, 1, 0, 0, // PC_LFSUX
- LSU1, 2, 1, 1, 0, 0, // PC_LFD
- LSU1, 2, 1, 1, 0, 0, // PC_LFDU
- LSU1, 2, 1, 1, 0, 0, // PC_LFDX
- LSU1, 2, 1, 1, 0, 0, // PC_LFDUX
- LSU1, 2, 1, 1, 0, 0, // PC_STFS
- LSU1, 2, 1, 1, 0, 0, // PC_STFSU
- LSU1, 2, 1, 1, 0, 0, // PC_STFSX
- LSU1, 2, 1, 1, 0, 0, // PC_STFSUX
- LSU1, 2, 1, 1, 0, 0, // PC_STFD
- LSU1, 2, 1, 1, 0, 0, // PC_STFDU
- LSU1, 2, 1, 1, 0, 0, // PC_STFDX
- LSU1, 2, 1, 1, 0, 0, // PC_STFDUX
- FPU1, 3, 1, 1, 1, 0, // PC_FMR
- FPU1, 3, 1, 1, 1, 0, // PC_FABS
- FPU1, 3, 1, 1, 1, 0, // PC_FNEG
- FPU1, 3, 1, 1, 1, 0, // PC_FNABS
- FPU1, 3, 1, 1, 1, 0, // PC_FADD
- FPU1, 3, 1, 1, 1, 0, // PC_FADDS
- FPU1, 3, 1, 1, 1, 0, // PC_FSUB
- FPU1, 3, 1, 1, 1, 0, // PC_FSUBS
- FPU1, 4, 2, 1, 1, 0, // PC_FMUL
- FPU1, 3, 1, 1, 1, 0, // PC_FMULS
- FPU1, 31, 31, 0, 0, 0, // PC_FDIV
- FPU1, 17, 17, 0, 0, 0, // PC_FDIVS
- FPU1, 4, 2, 1, 1, 0, // PC_FMADD
- FPU1, 3, 1, 1, 1, 0, // PC_FMADDS
- FPU1, 4, 2, 1, 1, 0, // PC_FMSUB
- FPU1, 3, 1, 1, 1, 0, // PC_FMSUBS
- FPU1, 4, 2, 1, 1, 0, // PC_FNMADD
- FPU1, 3, 1, 1, 1, 0, // PC_FNMADDS
- FPU1, 4, 2, 1, 1, 0, // PC_FNMSUB
- FPU1, 3, 1, 1, 1, 0, // PC_FNMSUBS
- FPU1, 10, 10, 0, 0, 0, // PC_FRES
- FPU1, 3, 1, 1, 1, 0, // PC_FRSQRTE
- FPU1, 3, 1, 1, 1, 0, // PC_FSEL
- FPU1, 3, 1, 1, 1, 0, // PC_FRSP
- FPU1, 3, 1, 1, 1, 0, // PC_FCTIW
- FPU1, 3, 1, 1, 1, 0, // PC_FCTIWZ
- FPU1, 3, 1, 1, 1, 0, // PC_FCMPU
- FPU1, 3, 1, 1, 1, 0, // PC_FCMPO
- LSU1, 1, 1, 0, 0, 0, // PC_LWARX
- LSU1, 1, 1, 0, 0, 0, // PC_LSWI
- LSU1, 1, 1, 0, 0, 0, // PC_LSWX
- LSU1, 1, 1, 0, 0, 0, // PC_STFIWX
- LSU1, 1, 1, 0, 0, 0, // PC_STSWI
- LSU1, 1, 1, 0, 0, 0, // PC_STSWX
- LSU1, 1, 1, 0, 0, 0, // PC_STWCX
- IU1, 1, 1, 0, 0, 1, // PC_ECIWX
- IU1, 1, 1, 0, 0, 1, // PC_ECOWX
- IU1, 1, 1, 0, 0, 0, // PC_DCBI
- IU1, 1, 1, 0, 0, 0, // PC_ICBI
- IU1, 1, 1, 0, 0, 0, // PC_MCRFS
- IU1, 1, 1, 0, 0, 0, // PC_MCRXR
- IU1, 1, 1, 0, 0, 0, // PC_MFTB
- IU1, 1, 1, 0, 0, 0, // PC_MFSR
- IU1, 1, 1, 0, 0, 0, // PC_MTSR
- IU1, 1, 1, 0, 0, 0, // PC_MFSRIN
- IU1, 1, 1, 0, 0, 0, // PC_MTSRIN
- IU1, 1, 1, 0, 0, 0, // PC_MTFSB0
- IU1, 1, 1, 0, 0, 0, // PC_MTFSB1
- IU1, 1, 1, 0, 0, 0, // PC_MTFSFI
- IU1, 1, 1, 0, 0, 1, // PC_SC
- FPU1, 1, 1, 0, 0, 0, // PC_FSQRT
- FPU1, 1, 1, 0, 0, 0, // PC_FSQRTS
- IU1, 1, 1, 0, 0, 0, // PC_TLBIA
- IU1, 1, 1, 0, 0, 0, // PC_TLBIE
- IU1, 1, 1, 0, 0, 0, // PC_TLBLD
- IU1, 1, 1, 0, 0, 0, // PC_TLBLI
- IU1, 1, 1, 0, 0, 0, // PC_TLBSYNC
- IU1, 1, 1, 0, 0, 1, // PC_TW
- IU1, 1, 1, 0, 0, 1, // PC_TRAP
- IU1, 1, 1, 0, 0, 1, // PC_TWI
- IU1, 1, 1, 0, 0, 1, // PC_OPWORD
- IU1, 1, 1, 0, 0, 0, // PC_MFROM
- IU1, 1, 1, 0, 0, 1, // PC_DSA
- IU1, 1, 1, 0, 0, 1, // PC_ESA
- IU1, 0, 0, 0, 0, 0, // PC_DCCCI
- IU1, 0, 0, 0, 0, 0, // PC_DCREAD
- IU1, 0, 0, 0, 0, 0, // PC_ICBT
- IU1, 0, 0, 0, 0, 0, // PC_ICCCI
- IU1, 0, 0, 0, 0, 0, // PC_ICREAD
- IU1, 0, 0, 0, 0, 0, // PC_RFCI
- IU1, 0, 0, 0, 0, 0, // PC_TLBRE
- IU1, 0, 0, 0, 0, 0, // PC_TLBSX
- IU1, 0, 0, 0, 0, 0, // PC_TLBWE
- IU1, 0, 0, 0, 0, 0, // PC_WRTEE
- IU1, 0, 0, 0, 0, 0, // PC_WRTEEI
- IU1, 0, 0, 0, 0, 0, // PC_MFDCR
- IU1, 0, 0, 0, 0, 0, // PC_MTDCR
- IU1, 0, 0, 0, 0, 0, // PC_DCBA
- BPU, 0, 0, 0, 0, 0, // PC_DSS
- BPU, 0, 0, 0, 0, 0, // PC_DSSALL
- BPU, 0, 0, 0, 0, 0, // PC_DST
- BPU, 0, 0, 0, 0, 0, // PC_DSTT
- BPU, 0, 0, 0, 0, 0, // PC_DSTST
- BPU, 0, 0, 0, 0, 0, // PC_DSTSTT
- BPU, 0, 0, 0, 0, 0, // PC_LVEBX
- BPU, 0, 0, 0, 0, 0, // PC_LVEHX
- BPU, 0, 0, 0, 0, 0, // PC_LVEWX
- BPU, 0, 0, 0, 0, 0, // PC_LVSL
- BPU, 0, 0, 0, 0, 0, // PC_LVSR
- BPU, 0, 0, 0, 0, 0, // PC_LVX
- BPU, 0, 0, 0, 0, 0, // PC_LVXL
- BPU, 0, 0, 0, 0, 0, // PC_STVEBX
- BPU, 0, 0, 0, 0, 0, // PC_STVEHX
- BPU, 0, 0, 0, 0, 0, // PC_STVEWX
- BPU, 0, 0, 0, 0, 0, // PC_STVX
- BPU, 0, 0, 0, 0, 0, // PC_STVXL
- BPU, 0, 0, 0, 0, 0, // PC_MFVSCR
- BPU, 0, 0, 0, 0, 0, // PC_MTVSCR
- BPU, 0, 0, 0, 0, 0, // PC_VADDCUW
- BPU, 0, 0, 0, 0, 0, // PC_VADDFP
- BPU, 0, 0, 0, 0, 0, // PC_VADDSBS
- BPU, 0, 0, 0, 0, 0, // PC_VADDSHS
- BPU, 0, 0, 0, 0, 0, // PC_VADDSWS
- BPU, 0, 0, 0, 0, 0, // PC_VADDUBM
- BPU, 0, 0, 0, 0, 0, // PC_VADDUBS
- BPU, 0, 0, 0, 0, 0, // PC_VADDUHM
- BPU, 0, 0, 0, 0, 0, // PC_VADDUHS
- BPU, 0, 0, 0, 0, 0, // PC_VADDUWM
- BPU, 0, 0, 0, 0, 0, // PC_VADDUWS
- BPU, 0, 0, 0, 0, 0, // PC_VAND
- BPU, 0, 0, 0, 0, 0, // PC_VANDC
- BPU, 0, 0, 0, 0, 0, // PC_VAVGSB
- BPU, 0, 0, 0, 0, 0, // PC_VAVGSH
- BPU, 0, 0, 0, 0, 0, // PC_VAVGSW
- BPU, 0, 0, 0, 0, 0, // PC_VAVGUB
- BPU, 0, 0, 0, 0, 0, // PC_VAVGUH
- BPU, 0, 0, 0, 0, 0, // PC_VAVGUW
- BPU, 0, 0, 0, 0, 0, // PC_VCFSX
- BPU, 0, 0, 0, 0, 0, // PC_VCFUX
- BPU, 0, 0, 0, 0, 0, // PC_VCMPBFP
- BPU, 0, 0, 0, 0, 0, // PC_VCMPEQFP
- BPU, 0, 0, 0, 0, 0, // PC_VCMPEQUB
- BPU, 0, 0, 0, 0, 0, // PC_VCMPEQUH
- BPU, 0, 0, 0, 0, 0, // PC_VCMPEQUW
- BPU, 0, 0, 0, 0, 0, // PC_VCMPGEFP
- BPU, 0, 0, 0, 0, 0, // PC_VCMPGTFP
- BPU, 0, 0, 0, 0, 0, // PC_VCMPGTSB
- BPU, 0, 0, 0, 0, 0, // PC_VCMPGTSH
- BPU, 0, 0, 0, 0, 0, // PC_VCMPGTSW
- BPU, 0, 0, 0, 0, 0, // PC_VCMPGTUB
- BPU, 0, 0, 0, 0, 0, // PC_VCMPGTUH
- BPU, 0, 0, 0, 0, 0, // PC_VCMPGTUW
- BPU, 0, 0, 0, 0, 0, // PC_VCTSXS
- BPU, 0, 0, 0, 0, 0, // PC_VCTUXS
- BPU, 0, 0, 0, 0, 0, // PC_VEXPTEFP
- BPU, 0, 0, 0, 0, 0, // PC_VLOGEFP
- BPU, 0, 0, 0, 0, 0, // PC_VMAXFP
- BPU, 0, 0, 0, 0, 0, // PC_VMAXSB
- BPU, 0, 0, 0, 0, 0, // PC_VMAXSH
- BPU, 0, 0, 0, 0, 0, // PC_VMAXSW
- BPU, 0, 0, 0, 0, 0, // PC_VMAXUB
- BPU, 0, 0, 0, 0, 0, // PC_VMAXUH
- BPU, 0, 0, 0, 0, 0, // PC_VMAXUW
- BPU, 0, 0, 0, 0, 0, // PC_VMINFP
- BPU, 0, 0, 0, 0, 0, // PC_VMINSB
- BPU, 0, 0, 0, 0, 0, // PC_VMINSH
- BPU, 0, 0, 0, 0, 0, // PC_VMINSW
- BPU, 0, 0, 0, 0, 0, // PC_VMINUB
- BPU, 0, 0, 0, 0, 0, // PC_VMINUH
- BPU, 0, 0, 0, 0, 0, // PC_VMINUW
- BPU, 0, 0, 0, 0, 0, // PC_VMRGHB
- BPU, 0, 0, 0, 0, 0, // PC_VMRGHH
- BPU, 0, 0, 0, 0, 0, // PC_VMRGHW
- BPU, 0, 0, 0, 0, 0, // PC_VMRGLB
- BPU, 0, 0, 0, 0, 0, // PC_VMRGLH
- BPU, 0, 0, 0, 0, 0, // PC_VMRGLW
- BPU, 0, 0, 0, 0, 0, // PC_VMULESB
- BPU, 0, 0, 0, 0, 0, // PC_VMULESH
- BPU, 0, 0, 0, 0, 0, // PC_VMULEUB
- BPU, 0, 0, 0, 0, 0, // PC_VMULEUH
- BPU, 0, 0, 0, 0, 0, // PC_VMULOSB
- BPU, 0, 0, 0, 0, 0, // PC_VMULOSH
- BPU, 0, 0, 0, 0, 0, // PC_VMULOUB
- BPU, 0, 0, 0, 0, 0, // PC_VMULOUH
- BPU, 0, 0, 0, 0, 0, // PC_VNOR
- BPU, 0, 0, 0, 0, 0, // PC_VOR
- BPU, 0, 0, 0, 0, 0, // PC_VPKPX
- BPU, 0, 0, 0, 0, 0, // PC_VPKSHSS
- BPU, 0, 0, 0, 0, 0, // PC_VPKSHUS
- BPU, 0, 0, 0, 0, 0, // PC_VPKSWSS
- BPU, 0, 0, 0, 0, 0, // PC_VPKSWUS
- BPU, 0, 0, 0, 0, 0, // PC_VPKUHUM
- BPU, 0, 0, 0, 0, 0, // PC_VPKUHUS
- BPU, 0, 0, 0, 0, 0, // PC_VPKUWUM
- BPU, 0, 0, 0, 0, 0, // PC_VPKUWUS
- BPU, 0, 0, 0, 0, 0, // PC_VREFP
- BPU, 0, 0, 0, 0, 0, // PC_VRFIM
- BPU, 0, 0, 0, 0, 0, // PC_VRFIN
- BPU, 0, 0, 0, 0, 0, // PC_VRFIP
- BPU, 0, 0, 0, 0, 0, // PC_VRFIZ
- BPU, 0, 0, 0, 0, 0, // PC_VRLB
- BPU, 0, 0, 0, 0, 0, // PC_VRLH
- BPU, 0, 0, 0, 0, 0, // PC_VRLW
- BPU, 0, 0, 0, 0, 0, // PC_VRSQRTEFP
- BPU, 0, 0, 0, 0, 0, // PC_VSL
- BPU, 0, 0, 0, 0, 0, // PC_VSLB
- BPU, 0, 0, 0, 0, 0, // PC_VSLH
- BPU, 0, 0, 0, 0, 0, // PC_VSLO
- BPU, 0, 0, 0, 0, 0, // PC_VSLW
- BPU, 0, 0, 0, 0, 0, // PC_VSPLTB
- BPU, 0, 0, 0, 0, 0, // PC_VSPLTH
- BPU, 0, 0, 0, 0, 0, // PC_VSPLTW
- BPU, 0, 0, 0, 0, 0, // PC_VSPLTISB
- BPU, 0, 0, 0, 0, 0, // PC_VSPLTISH
- BPU, 0, 0, 0, 0, 0, // PC_VSPLTISW
- BPU, 0, 0, 0, 0, 0, // PC_VSR
- BPU, 0, 0, 0, 0, 0, // PC_VSRAB
- BPU, 0, 0, 0, 0, 0, // PC_VSRAH
- BPU, 0, 0, 0, 0, 0, // PC_VSRAW
- BPU, 0, 0, 0, 0, 0, // PC_VSRB
- BPU, 0, 0, 0, 0, 0, // PC_VSRH
- BPU, 0, 0, 0, 0, 0, // PC_VSRO
- BPU, 0, 0, 0, 0, 0, // PC_VSRW
- BPU, 0, 0, 0, 0, 0, // PC_VSUBCUW
- BPU, 0, 0, 0, 0, 0, // PC_VSUBFP
- BPU, 0, 0, 0, 0, 0, // PC_VSUBSBS
- BPU, 0, 0, 0, 0, 0, // PC_VSUBSHS
- BPU, 0, 0, 0, 0, 0, // PC_VSUBSWS
- BPU, 0, 0, 0, 0, 0, // PC_VSUBUBM
- BPU, 0, 0, 0, 0, 0, // PC_VSUBUBS
- BPU, 0, 0, 0, 0, 0, // PC_VSUBUHM
- BPU, 0, 0, 0, 0, 0, // PC_VSUBUHS
- BPU, 0, 0, 0, 0, 0, // PC_VSUBUWM
- BPU, 0, 0, 0, 0, 0, // PC_VSUBUWS
- BPU, 0, 0, 0, 0, 0, // PC_VSUMSWS
- BPU, 0, 0, 0, 0, 0, // PC_VSUM2SWS
- BPU, 0, 0, 0, 0, 0, // PC_VSUM4SBS
- BPU, 0, 0, 0, 0, 0, // PC_VSUM4SHS
- BPU, 0, 0, 0, 0, 0, // PC_VSUM4UBS
- BPU, 0, 0, 0, 0, 0, // PC_VUPKHPX
- BPU, 0, 0, 0, 0, 0, // PC_VUPKHSB
- BPU, 0, 0, 0, 0, 0, // PC_VUPKHSH
- BPU, 0, 0, 0, 0, 0, // PC_VUPKLPX
- BPU, 0, 0, 0, 0, 0, // PC_VUPKLSB
- BPU, 0, 0, 0, 0, 0, // PC_VUPKLSH
- BPU, 0, 0, 0, 0, 0, // PC_VXOR
- BPU, 0, 0, 0, 0, 0, // PC_VMADDFP
- BPU, 0, 0, 0, 0, 0, // PC_VMHADDSHS
- BPU, 0, 0, 0, 0, 0, // PC_VMHRADDSHS
- BPU, 0, 0, 0, 0, 0, // PC_VMLADDUHM
- BPU, 0, 0, 0, 0, 0, // PC_VMSUMMBM
- BPU, 0, 0, 0, 0, 0, // PC_VMSUMSHM
- BPU, 0, 0, 0, 0, 0, // PC_VMSUMSHS
- BPU, 0, 0, 0, 0, 0, // PC_VMSUMUBM
- BPU, 0, 0, 0, 0, 0, // PC_VMSUMUHM
- BPU, 0, 0, 0, 0, 0, // PC_VMSUMUHS
- BPU, 0, 0, 0, 0, 0, // PC_VNMSUBFP
- BPU, 0, 0, 0, 0, 0, // PC_VPERM
- BPU, 0, 0, 0, 0, 0, // PC_VSEL
- BPU, 0, 0, 0, 0, 0, // PC_VSLDOI
- BPU, 0, 0, 0, 0, 0, // PC_VMR
- BPU, 0, 0, 0, 0, 0, // PC_VMRP
- BPU, 0, 0, 0, 0, 0, // PC_SLE
- BPU, 0, 0, 0, 0, 0, // PC_SLEQ
- BPU, 0, 0, 0, 0, 0, // PC_SLIQ
- BPU, 0, 0, 0, 0, 0, // PC_SLLIQ
- BPU, 0, 0, 0, 0, 0, // PC_SLLQ
- BPU, 0, 0, 0, 0, 0, // PC_SLQ
- BPU, 0, 0, 0, 0, 0, // PC_SRAIQ
- BPU, 0, 0, 0, 0, 0, // PC_SRAQ
- BPU, 0, 0, 0, 0, 0, // PC_SRE
- BPU, 0, 0, 0, 0, 0, // PC_SREA
- BPU, 0, 0, 0, 0, 0, // PC_SREQ
- BPU, 0, 0, 0, 0, 0, // PC_SRIQ
- BPU, 0, 0, 0, 0, 0, // PC_SRLIQ
- BPU, 0, 0, 0, 0, 0, // PC_SRLQ
- BPU, 0, 0, 0, 0, 0, // PC_SRQ
- BPU, 0, 0, 0, 0, 0, // PC_MASKG
- BPU, 0, 0, 0, 0, 0, // PC_MASKIR
- BPU, 0, 0, 0, 0, 0, // PC_LSCBX
- BPU, 0, 0, 0, 0, 0, // PC_DIV
- BPU, 0, 0, 0, 0, 0, // PC_DIVS
- BPU, 0, 0, 0, 0, 0, // PC_DOZ
- BPU, 0, 0, 0, 0, 0, // PC_MUL
- BPU, 0, 0, 0, 0, 0, // PC_NABS
- BPU, 0, 0, 0, 0, 0, // PC_ABS
- BPU, 0, 0, 0, 0, 0, // PC_CLCS
- BPU, 0, 0, 0, 0, 0, // PC_DOZI
- BPU, 0, 0, 0, 0, 0, // PC_RLMI
- BPU, 0, 0, 0, 0, 0, // PC_RRIB
-};
-
-static void advance(int firstStage, int oldStage, int newStage) {
- PCode *instr = pipeline[oldStage].instr;
- int cycles = instruction_timing[instr->op].cycles[newStage - firstStage];
- pipeline[newStage].instr = instr;
- pipeline[newStage].remaining = cycles;
- pipeline[oldStage].instr = NULL;
-}
-
-static void assign_completion_buffer(PCode *instr) {
- completionbuffers.used++;
- completionbuffers.free--;
- completionbuffers.entries[completionbuffers.nextFreeSlot].instr = instr;
- completionbuffers.entries[completionbuffers.nextFreeSlot].completed = 0;
- completionbuffers.nextFreeSlot = (completionbuffers.nextFreeSlot + 1) % MaxEntries;
-}
-
-static void complete_instruction(int stage) {
- PCode *instr = pipeline[stage].instr;
- int buf = 0;
- while (buf < MaxEntries && completionbuffers.entries[buf].instr != instr)
- buf++;
-
- completionbuffers.entries[buf].completed = 1;
- pipeline[stage].instr = NULL;
-
- if (stage == IU1)
- iu1_completed_instruction = instr;
- else if (stage == IU2)
- iu2_completed_instruction = instr;
-}
-
-static void retire_instruction(void) {
- completionbuffers.entries[completionbuffers.nextToRetire].instr = NULL;
- completionbuffers.used--;
- completionbuffers.free++;
- completionbuffers.nextToRetire = (completionbuffers.nextToRetire + 1) % MaxEntries;
-}
-
-static int latency(PCode *instr) {
- int cycles = instruction_timing[instr->op].latency;
- if (PCODE_FLAG_SET_F(instr) & fRecordBit)
- cycles += 2;
- if (instr->op == PC_LMW || instr->op == PC_STMW)
- cycles += instr->argCount - 2;
- return cycles;
-}
-
-static void initialize(void) {
- int stage;
- int i;
-
- for (stage = 0; stage < NumStages; stage++)
- pipeline[stage].instr = NULL;
-
- completionbuffers.free = MaxEntries;
- completionbuffers.used = 0;
- completionbuffers.nextToRetire = 0;
- completionbuffers.nextFreeSlot = 0;
- for (i = 0; i < MaxEntries; i++)
- completionbuffers.entries[i].instr = NULL;
-
- iu1_completed_instruction = NULL;
- iu2_completed_instruction = NULL;
-}
-
-static int can_issue(PCode *instr) {
- int stage;
-
- if (completionbuffers.free == 0)
- return 0;
-
- stage = instruction_timing[instr->op].stage;
-
- if (stage == IU2) {
- PCode *check;
- int isClear1 = !pipeline[IU1].instr;
- int isClear2 = !pipeline[IU2].instr;
- if (!isClear1 && !isClear2)
- return 0;
- if (isClear1 && isClear2)
- return 1;
-
- if (isClear1)
- check = pipeline[IU2].instr;
- else
- check = pipeline[IU1].instr;
-
- if (is_dependent(instr, check, RegClass_GPR))
- return 0;
- if (is_dependent(instr, iu1_completed_instruction, RegClass_GPR))
- return 0;
- if (is_dependent(instr, iu2_completed_instruction, RegClass_GPR))
- return 0;
- } else {
- if (pipeline[stage].instr)
- return 0;
- }
-
- if ((instr->flags & fIsWrite) && pipeline[LSU2].instr && (pipeline[LSU2].instr->flags & fIsWrite))
- return 0;
-
- return 1;
-}
-
-static void issue(PCode *instr) {
- int stage = instruction_timing[instr->op].stage;
- int cycles = instruction_timing[instr->op].cycles[0];
- assign_completion_buffer(instr);
- if (stage == IU2 && !pipeline[IU1].instr)
- stage = IU1;
- pipeline[stage].instr = instr;
- pipeline[stage].remaining = cycles;
-}
-
-static void advance_clock(void) {
- int stage;
-
- iu1_completed_instruction = NULL;
- iu2_completed_instruction = NULL;
-
- for (stage = 0; stage < NumStages; stage++) {
- if (pipeline[stage].instr && pipeline[stage].remaining)
- --pipeline[stage].remaining;
- }
-
- if (completionbuffers.used && completionbuffers.entries[completionbuffers.nextToRetire].completed) {
- retire_instruction();
- if (completionbuffers.used && completionbuffers.entries[completionbuffers.nextToRetire].completed) {
- retire_instruction();
- }
- }
-
- if (pipeline[IU1].instr && pipeline[IU1].remaining == 0)
- complete_instruction(IU1);
- if (pipeline[LSU2].instr && pipeline[LSU2].remaining == 0)
- complete_instruction(LSU2);
- if (pipeline[FPU3].instr && pipeline[FPU3].remaining == 0)
- complete_instruction(FPU3);
- if (pipeline[SRU].instr && pipeline[SRU].remaining == 0)
- complete_instruction(SRU);
- if (pipeline[BPU].instr && pipeline[BPU].remaining == 0)
- complete_instruction(BPU);
- if (pipeline[IU2].instr && pipeline[IU2].remaining == 0)
- complete_instruction(IU2);
-
- if (
- pipeline[FPU1].instr &&
- pipeline[FPU1].remaining == 0 &&
- (pipeline[FPU1].instr->op == PC_FDIV || pipeline[FPU1].instr->op == PC_FDIVS)
- )
- complete_instruction(FPU1);
-
- if (pipeline[FPU2].instr && pipeline[FPU2].remaining == 0 && !pipeline[FPU3].instr)
- advance(FPU1, FPU2, FPU3);
- if (pipeline[FPU1].instr && pipeline[FPU1].remaining == 0 && !pipeline[FPU2].instr)
- advance(FPU1, FPU1, FPU2);
-
- if (pipeline[LSU1].instr && pipeline[LSU1].remaining == 0 && !pipeline[LSU2].instr)
- advance(LSU1, LSU1, LSU2);
-}
-
-static int serializes(PCode *instr) {
- return instruction_timing[instr->op].serializes;
-}
-
-MachineInfo machine750 = {
- 2,
- 1,
- 0,
- &latency,
- &initialize,
- &can_issue,
- &issue,
- &advance_clock,
- &serializes,
- &default_uses_vpermute_unit
-};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 08:49:01 +0000