From 094b96ca1df4a035b5f93c351f773306c0241f3f Mon Sep 17 00:00:00 2001 From: Ash Wolf Date: Thu, 26 Jan 2023 11:30:47 +0000 Subject: move lots of source files around to match their actual placement in the original tree --- .../PowerPC/Scheduler/MachineSimulationAltiVec.c | 752 +++++++++++++++++++++ 1 file changed, 752 insertions(+) create mode 100644 compiler_and_linker/BackEnd/PowerPC/Scheduler/MachineSimulationAltiVec.c (limited to 'compiler_and_linker/BackEnd/PowerPC/Scheduler/MachineSimulationAltiVec.c') diff --git a/compiler_and_linker/BackEnd/PowerPC/Scheduler/MachineSimulationAltiVec.c b/compiler_and_linker/BackEnd/PowerPC/Scheduler/MachineSimulationAltiVec.c new file mode 100644 index 0000000..d261ee9 --- /dev/null +++ b/compiler_and_linker/BackEnd/PowerPC/Scheduler/MachineSimulationAltiVec.c @@ -0,0 +1,752 @@ +#include "compiler/Scheduler.h" +#include "compiler/CError.h" +#include "compiler/PCode.h" +#include "compiler/PCodeInfo.h" + +// https://www.nxp.com/docs/en/reference-manual/MPC7450UM.pdf + +typedef enum Stage { + BPU, // Branch Prediction Unit + + IU2_1, // Multiple-Cycle Integer Unit + IU2_2, + IU2_3, + + IU1a, // Single-Cycle Integer Unit + IU1b, // Single-Cycle Integer Unit + IU1c, // Single-Cycle Integer Unit + + LSU_1, // Load/Store Unit + LSU_2, + LSU_3, + LSU_4, + + FPU_1, // Floating-Point Unit + FPU_2, + FPU_3, + FPU_4, + + VIU1, // Vector Simple Integer Unit + + VPU_1, // Vector Permute Unit + VPU_2, + + VIU2_1, // Vector Complex Integer Unit + VIU2_2, + VIU2_3, + VIU2_4, + + VFPU_1, // Vector Floating-Point Unit + VFPU_2, + VFPU_3, + VFPU_4, + + 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_altivec[NumStages]; + +enum { + Queue0, + Queue1, + Queue2, + Queue3, + Queue4, + Queue5, + Queue6, + Queue7, + NumQueues +}; + +static int fetchqueues[NumQueues]; + +enum { + MaxEntries = 16 +}; + +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 { + short index; + + // 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[4]; + + // does this instruction serialise? + char serializes; + + char unused; +} instruction_timing[] = { + 0, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_B + 1, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BL + 2, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BC + 3, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BCLR + 4, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BCCTR + 5, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BT + 6, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BTLR + 7, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BTCTR + 8, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BF + 9, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BFLR + 10, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BFCTR + 11, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BDNZ + 12, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BDNZT + 13, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BDNZF + 14, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BDZ + 15, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BDZT + 16, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BDZF + 17, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BLR + 18, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BCTR + 19, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BCTRL + 20, BPU, 0, 0, 0, 0, 0, 0, 0, // PC_BLRL + 21, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LBZ + 22, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LBZU + 23, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LBZX + 24, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LBZUX + 25, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LHZ + 26, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LHZU + 27, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LHZX + 28, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LHZUX + 29, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LHA + 30, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LHAU + 31, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LHAX + 32, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LHAUX + 33, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LHBRX + 34, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LWZ + 35, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LWZU + 36, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LWZX + 37, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LWZUX + 38, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LWBRX + 39, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_LMW + 40, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STB + 41, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STBU + 42, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STBX + 43, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STBUX + 44, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STH + 45, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STHU + 46, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STHX + 47, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STHUX + 48, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STHBRX + 49, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STW + 50, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STWU + 51, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STWX + 52, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STWUX + 53, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STWBRX + 54, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_STMW + 55, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_DCBF + 56, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_DCBST + 57, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_DCBT + 58, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_DCBTST + 59, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_DCBZ + 60, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_ADD + 61, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_ADDC + 62, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_ADDE + 63, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_ADDI + 64, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_ADDIC + 65, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_ADDICR + 66, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_ADDIS + 67, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_ADDME + 68, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_ADDZE + 69, IU2_1, 23, 23, 0, 0, 0, 0, 0, // PC_DIVW + 70, IU2_1, 23, 23, 0, 0, 0, 0, 0, // PC_DIVWU + 71, IU2_1, 4, 2, 2, 0, 0, 0, 0, // PC_MULHW + 72, IU2_1, 4, 2, 2, 0, 0, 0, 0, // PC_MULHWU + 73, IU2_1, 3, 1, 1, 1, 0, 0, 0, // PC_MULLI + 74, IU2_1, 4, 2, 2, 0, 0, 0, 0, // PC_MULLW + 75, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_NEG + 76, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_SUBF + 77, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_SUBFC + 78, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_SUBFE + 79, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_SUBFIC + 80, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_SUBFME + 81, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_SUBFZE + 82, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_CMPI + 83, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_CMP + 84, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_CMPLI + 85, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_CMPL + 86, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_ANDI + 87, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_ANDIS + 88, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_ORI + 89, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_ORIS + 90, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_XORI + 91, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_XORIS + 92, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_AND + 93, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_OR + 94, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_XOR + 95, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_NAND + 96, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_NOR + 97, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_EQV + 98, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_ANDC + 99, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_ORC + 100, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_EXTSB + 101, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_EXTSH + 102, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_CNTLZW + 103, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_RLWINM + 104, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_RLWNM + 105, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_RLWIMI + 106, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_SLW + 107, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_SRW + 108, IU1a, 2, 2, 0, 0, 0, 0, 0, // PC_SRAWI + 109, IU1a, 2, 2, 0, 0, 0, 0, 0, // PC_SRAW + 110, IU2_1, 2, 2, 0, 0, 0, 1, 0, // PC_CRAND + 111, IU2_1, 2, 2, 0, 0, 0, 1, 0, // PC_CRANDC + 112, IU2_1, 2, 2, 0, 0, 0, 1, 0, // PC_CREQV + 113, IU2_1, 2, 2, 0, 0, 0, 1, 0, // PC_CRNAND + 114, IU2_1, 2, 2, 0, 0, 0, 1, 0, // PC_CRNOR + 115, IU2_1, 2, 2, 0, 0, 0, 1, 0, // PC_CROR + 116, IU2_1, 2, 2, 0, 0, 0, 1, 0, // PC_CRORC + 117, IU2_1, 2, 2, 0, 0, 0, 1, 0, // PC_CRXOR + 118, IU2_1, 1, 1, 0, 0, 0, 1, 0, // PC_MCRF + 119, IU2_1, 2, 2, 0, 0, 0, 1, 0, // PC_MTXER + 120, IU2_1, 2, 2, 0, 0, 0, 1, 0, // PC_MTCTR + 121, IU2_1, 2, 2, 0, 0, 0, 1, 0, // PC_MTLR + 122, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_MTCRF + 123, IU2_1, 2, 2, 0, 0, 0, 1, 0, // PC_MTMSR + 124, IU2_1, 3, 3, 0, 0, 0, 1, 0, // PC_MTSPR + 125, IU2_1, 3, 2, 1, 0, 0, 0, 0, // PC_MFMSR + 126, IU2_1, 3, 3, 0, 0, 0, 1, 0, // PC_MFSPR + 127, IU2_1, 1, 1, 0, 0, 0, 1, 0, // PC_MFXER + 128, IU2_1, 1, 1, 0, 0, 0, 1, 0, // PC_MFCTR + 129, IU2_1, 1, 1, 0, 0, 0, 1, 0, // PC_MFLR + 130, IU2_1, 2, 2, 0, 0, 0, 1, 0, // PC_MFCR + 131, FPU_1, 5, 5, 0, 0, 0, 1, 0, // PC_MFFS + 132, FPU_1, 5, 5, 0, 0, 0, 1, 0, // PC_MTFSF + 133, LSU_1, 3, 3, 0, 0, 0, 1, 0, // PC_EIEIO + 134, IU2_1, 1, 1, 0, 0, 0, 1, 0, // PC_ISYNC + 135, LSU_1, 35, 35, 0, 0, 0, 1, 0, // PC_SYNC + 136, IU2_1, 1, 1, 0, 0, 0, 1, 0, // PC_RFI + 137, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_LI + 138, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_LIS + 139, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_MR + 140, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_NOP + 141, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_NOT + 142, LSU_1, 4, 1, 1, 1, 1, 0, 0, // PC_LFS + 143, LSU_1, 4, 1, 1, 1, 1, 0, 0, // PC_LFSU + 144, LSU_1, 4, 1, 1, 1, 1, 0, 0, // PC_LFSX + 145, LSU_1, 4, 1, 1, 1, 1, 0, 0, // PC_LFSUX + 146, LSU_1, 4, 1, 1, 1, 1, 0, 0, // PC_LFD + 147, LSU_1, 4, 1, 1, 1, 1, 0, 0, // PC_LFDU + 148, LSU_1, 4, 1, 1, 1, 1, 0, 0, // PC_LFDX + 149, LSU_1, 4, 1, 1, 1, 1, 0, 0, // PC_LFDUX + 150, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_STFS + 151, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_STFSU + 152, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_STFSX + 153, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_STFSUX + 154, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_STFD + 155, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_STFDU + 156, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_STFDX + 157, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_STFDUX + 158, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FMR + 159, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FABS + 160, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FNEG + 161, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FNABS + 162, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FADD + 163, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FADDS + 164, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FSUB + 165, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FSUBS + 166, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FMUL + 167, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FMULS + 168, FPU_1, 35, 35, 0, 0, 0, 0, 0, // PC_FDIV + 169, FPU_1, 21, 21, 0, 0, 0, 0, 0, // PC_FDIVS + 170, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FMADD + 171, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FMADDS + 172, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FMSUB + 173, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FMSUBS + 174, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FNMADD + 175, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FNMADDS + 176, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FNMSUB + 177, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FNMSUBS + 178, FPU_1, 14, 14, 0, 0, 0, 0, 0, // PC_FRES + 179, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FRSQRTE + 180, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FSEL + 181, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FRSP + 182, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FCTIW + 183, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FCTIWZ + 184, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FCMPU + 185, FPU_1, 5, 1, 1, 1, 2, 0, 0, // PC_FCMPO + 186, LSU_1, 3, 3, 0, 0, 0, 1, 0, // PC_LWARX + 187, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LSWI + 188, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_LSWX + 189, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STFIWX + 190, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_STSWI + 191, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_STSWX + 192, LSU_1, 3, 1, 1, 1, 0, 1, 0, // PC_STWCX + 193, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_ECIWX + 194, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_ECOWX + 195, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_DCBI + 196, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_ICBI + 197, IU2_1, 5, 5, 0, 0, 0, 1, 0, // PC_MCRFS + 198, IU2_1, 2, 2, 0, 0, 0, 1, 0, // PC_MCRXR + 199, IU2_1, 5, 5, 0, 0, 0, 0, 0, // PC_MFTB + 200, IU2_1, 4, 1, 3, 0, 0, 0, 0, // PC_MFSR + 201, IU2_1, 2, 2, 0, 0, 0, 1, 0, // PC_MTSR + 202, IU2_1, 4, 1, 3, 0, 0, 0, 0, // PC_MFSRIN + 203, IU2_1, 2, 2, 0, 0, 0, 1, 0, // PC_MTSRIN + 204, FPU_1, 5, 5, 0, 0, 0, 1, 0, // PC_MTFSB0 + 205, FPU_1, 5, 5, 0, 0, 0, 1, 0, // PC_MTFSB1 + 206, FPU_1, 5, 5, 0, 0, 0, 0, 0, // PC_MTFSFI + 207, IU2_1, 1, 1, 0, 0, 0, 1, 0, // PC_SC + 208, FPU_1, 1, 1, 0, 0, 0, 0, 0, // PC_FSQRT + 209, FPU_1, 1, 1, 0, 0, 0, 0, 0, // PC_FSQRTS + 210, LSU_1, 1, 1, 0, 0, 0, 0, 0, // PC_TLBIA + 211, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_TLBIE + 212, LSU_1, 3, 3, 0, 0, 0, 0, 0, // PC_TLBLD + 213, LSU_1, 3, 3, 0, 0, 0, 1, 0, // PC_TLBLI + 214, LSU_1, 3, 3, 0, 0, 0, 1, 0, // PC_TLBSYNC + 215, IU1a, 2, 2, 0, 0, 0, 0, 0, // PC_TW + 216, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_TRAP + 217, IU1a, 2, 2, 0, 0, 0, 0, 0, // PC_TWI + 218, IU1a, 1, 1, 0, 0, 0, 1, 0, // PC_OPWORD + 219, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_MFROM + 220, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_DSA + 221, IU1a, 1, 1, 0, 0, 0, 0, 0, // PC_ESA + 222, IU1a, 1, 0, 0, 0, 0, 0, 0, // PC_DCCCI + 223, IU1a, 1, 0, 0, 0, 0, 0, 0, // PC_DCREAD + 224, IU1a, 1, 0, 0, 0, 0, 0, 0, // PC_ICBT + 225, IU1a, 1, 0, 0, 0, 0, 0, 0, // PC_ICCCI + 226, IU1a, 1, 0, 0, 0, 0, 0, 0, // PC_ICREAD + 227, IU1a, 1, 0, 0, 0, 0, 0, 0, // PC_RFCI + 228, IU1a, 1, 0, 0, 0, 0, 0, 0, // PC_TLBRE + 229, IU1a, 1, 0, 0, 0, 0, 0, 0, // PC_TLBSX + 230, IU1a, 1, 0, 0, 0, 0, 0, 0, // PC_TLBWE + 231, IU1a, 1, 0, 0, 0, 0, 0, 0, // PC_WRTEE + 232, IU1a, 1, 0, 0, 0, 0, 0, 0, // PC_WRTEEI + 233, IU1a, 1, 0, 0, 0, 0, 0, 0, // PC_MFDCR + 234, IU1a, 1, 0, 0, 0, 0, 0, 0, // PC_MTDCR + 235, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_DCBA + 236, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_DSS + 237, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_DSSALL + 238, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_DST + 239, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_DSTT + 240, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_DSTST + 241, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_DSTSTT + 242, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LVEBX + 243, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LVEHX + 244, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LVEWX + 245, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LVSL + 246, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LVSR + 247, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LVX + 248, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_LVXL + 249, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STVEBX + 250, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STVEHX + 251, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STVEWX + 252, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STVX + 253, LSU_1, 3, 1, 1, 1, 0, 0, 0, // PC_STVXL + 254, VFPU_1, 2, 2, 0, 0, 0, 1, 0, // PC_MFVSCR + 255, VFPU_1, 2, 2, 0, 0, 0, 1, 0, // PC_MTVSCR + 256, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VADDCUW + 257, VFPU_1, 4, 1, 1, 1, 1, 0, 0, // PC_VADDFP + 258, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VADDSBS + 259, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VADDSHS + 260, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VADDSWS + 261, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VADDUBM + 262, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VADDUBS + 263, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VADDUHM + 264, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VADDUHS + 265, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VADDUWM + 266, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VADDUWS + 267, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VAND + 268, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VANDC + 269, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VAVGSB + 270, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VAVGSH + 271, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VAVGSW + 272, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VAVGUB + 273, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VAVGUH + 274, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VAVGUW + 275, VFPU_1, 4, 1, 1, 1, 1, 0, 0, // PC_VCFSX + 276, VFPU_1, 4, 1, 1, 1, 1, 0, 0, // PC_VCFUX + 277, VFPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VCMPBFP + 278, VFPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VCMPEQFP + 279, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VCMPEQUB + 280, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VCMPEQUH + 281, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VCMPEQUW + 282, VFPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VCMPGEFP + 283, VFPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VCMPGTFP + 284, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VCMPGTSB + 285, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VCMPGTSH + 286, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VCMPGTSW + 287, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VCMPGTUB + 288, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VCMPGTUH + 289, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VCMPGTUW + 290, VFPU_1, 4, 1, 1, 1, 1, 0, 0, // PC_VCTSXS + 291, VFPU_1, 4, 1, 1, 1, 1, 0, 0, // PC_VCTUXS + 292, VFPU_1, 4, 1, 1, 1, 1, 0, 0, // PC_VEXPTEFP + 293, VFPU_1, 4, 1, 1, 1, 1, 0, 0, // PC_VLOGEFP + 294, VFPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VMAXFP + 295, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VMAXSB + 296, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VMAXSH + 297, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VMAXSW + 298, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VMAXUB + 299, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VMAXUH + 300, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VMAXUW + 301, VFPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VMINFP + 302, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VMINSB + 303, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VMINSH + 304, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VMINSW + 305, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VMINUB + 306, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VMINUH + 307, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VMINUW + 308, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VMRGHB + 309, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VMRGHH + 310, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VMRGHW + 311, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VMRGLB + 312, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VMRGLH + 313, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VMRGLW + 314, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMULESB + 315, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMULESH + 316, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMULEUB + 317, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMULEUH + 318, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMULOSB + 319, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMULOSH + 320, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMULOUB + 321, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMULOUH + 322, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VNOR + 323, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VOR + 324, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VPKPX + 325, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VPKSHSS + 326, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VPKSHUS + 327, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VPKSWSS + 328, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VPKSWUS + 329, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VPKUHUM + 330, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VPKUHUS + 331, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VPKUWUM + 332, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VPKUWUS + 333, VFPU_1, 4, 1, 1, 1, 1, 0, 0, // PC_VREFP + 334, VFPU_1, 4, 1, 1, 1, 1, 0, 0, // PC_VRFIM + 335, VFPU_1, 4, 1, 1, 1, 1, 0, 0, // PC_VRFIN + 336, VFPU_1, 4, 1, 1, 1, 1, 0, 0, // PC_VRFIP + 337, VFPU_1, 4, 1, 1, 1, 1, 0, 0, // PC_VRFIZ + 338, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VRLB + 339, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VRLH + 340, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VRLW + 341, VFPU_1, 4, 1, 1, 1, 1, 0, 0, // PC_VRSQRTEFP + 342, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VSL + 343, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSLB + 344, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSLH + 345, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VSLO + 346, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSLW + 347, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VSPLTB + 348, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VSPLTH + 349, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VSPLTW + 350, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VSPLTISB + 351, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VSPLTISH + 352, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VSPLTISW + 353, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VSR + 354, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSRAB + 355, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSRAH + 356, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSRAW + 357, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSRB + 358, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSRH + 359, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VSRO + 360, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSRW + 361, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSUBCUW + 362, VFPU_1, 4, 1, 1, 1, 1, 0, 0, // PC_VSUBFP + 363, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSUBSBS + 364, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSUBSHS + 365, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSUBSWS + 366, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSUBUBM + 367, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSUBUBS + 368, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSUBUHM + 369, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSUBUHS + 370, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSUBUWM + 371, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSUBUWS + 372, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VSUMSWS + 373, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VSUM2SWS + 374, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VSUM4SBS + 375, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VSUM4SHS + 376, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VSUM4UBS + 377, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VUPKHPX + 378, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VUPKHSB + 379, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VUPKHSH + 380, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VUPKLPX + 381, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VUPKLSB + 382, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VUPKLSH + 383, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VXOR + 384, VFPU_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMADDFP + 385, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMHADDSHS + 386, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMHRADDSHS + 387, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMLADDUHM + 388, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMSUMMBM + 389, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMSUMSHM + 390, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMSUMSHS + 391, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMSUMUBM + 392, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMSUMUHM + 393, VIU2_1, 4, 1, 1, 1, 1, 0, 0, // PC_VMSUMUHS + 394, VFPU_1, 4, 1, 1, 1, 1, 0, 0, // PC_VNMSUBFP + 395, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VPERM + 396, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VSEL + 397, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VSLDOI + 398, VIU1, 1, 1, 0, 0, 0, 0, 0, // PC_VMR + 399, VPU_1, 2, 1, 1, 0, 0, 0, 0, // PC_VMRP + -1, IU2_1, 1, 1, 0, 0, 0, 1, 0 +}; + +enum { NumPipelineUnits = 6 }; +static struct { + Stage start, end; +} pipeline_units[8] = { + IU2_1, IU2_3, + LSU_1, LSU_4, + FPU_1, FPU_4, + VPU_1, VPU_2, + VIU2_1, VIU2_4, + VFPU_1, VFPU_4 +}; + +enum { NumFinalStages = 11 }; +static Stage finalstages[16] = { + BPU, IU2_3, IU1a, IU1b, + IU1c, LSU_4, FPU_4, VIU1, + VPU_2, VIU2_4, VFPU_4 +}; + +// forward decl +static void complete_instruction(int stage); + +static void advance(int firstStage, int oldStage, int newStage) { + PCode *instr = pipeline_altivec[oldStage].instr; + int cycles = instruction_timing[instr->op].cycles[newStage - firstStage]; + pipeline_altivec[newStage].instr = instr; + pipeline_altivec[newStage].remaining = cycles; + pipeline_altivec[oldStage].instr = NULL; + pipeline_altivec[oldStage].remaining = 0; + if (cycles == 0) + complete_instruction(newStage); +} + +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_altivec[stage].instr; + int buf = 0; + while (buf < MaxEntries && completionbuffers.entries[buf].instr != instr) + buf++; + + completionbuffers.entries[buf].completed = 1; + pipeline_altivec[stage].instr = NULL; +} + +static void retire_instruction(void) { + completionbuffers.entries[completionbuffers.nextToRetire].instr = NULL; + completionbuffers.entries[completionbuffers.nextToRetire].completed = 0; + 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 += 1; + if (instr->op == PC_LMW || instr->op == PC_STMW) + cycles += instr->argCount - 2; + return cycles; +} + +static void initialize(void) { + int stage; + int i; + + fetchqueues[Queue0] = 1; + for (i = 1; i < NumQueues; i++) + fetchqueues[i] = 0; + + for (stage = 0; stage < NumStages; stage++) + pipeline_altivec[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; + completionbuffers.entries[i].completed = 0; + } +} + +static int can_issue(PCode *instr) { + int stage; + + if (completionbuffers.free == 0) + return 0; + + stage = instruction_timing[instr->op].stage; + + if (stage == IU1a) { + int isClear1 = !pipeline_altivec[IU1a].instr; + int isClear2 = !pipeline_altivec[IU1b].instr; + if (!isClear1 && !isClear2) + return 0; + } else { + if (pipeline_altivec[stage].instr) + return 0; + } + + if (fetchqueues[Queue1] <= 0) + return 0; + + if (stage == FPU_1) { + if (fetchqueues[Queue2] < 1 || fetchqueues[Queue5] >= 1) + return 0; + } else if (stage >= VIU1 && stage <= VFPU_1) { + if (fetchqueues[Queue4] < 1 || fetchqueues[Queue7] >= 2) + return 0; + } else if (stage != BPU) { + if (fetchqueues[Queue3] < 1 || fetchqueues[Queue6] >= 3) + 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); + + CError_ASSERT(879, --fetchqueues[Queue1] >= 0); + + if (stage == FPU_1) { + fetchqueues[Queue2]--; + fetchqueues[Queue5]++; + } else if (stage >= VIU1 && stage <= VFPU_1) { + fetchqueues[Queue4]--; + fetchqueues[Queue7]++; + } else if (stage != BPU) { + fetchqueues[Queue3]--; + fetchqueues[Queue6]++; + } + + fetchqueues[Queue2] = (fetchqueues[Queue1] < fetchqueues[Queue2]) ? fetchqueues[Queue1] : fetchqueues[Queue2]; + fetchqueues[Queue3] = (fetchqueues[Queue1] < fetchqueues[Queue3]) ? fetchqueues[Queue1] : fetchqueues[Queue3]; + fetchqueues[Queue4] = (fetchqueues[Queue1] < fetchqueues[Queue4]) ? fetchqueues[Queue1] : fetchqueues[Queue4]; + + if (stage == IU1a) { + if (!pipeline_altivec[IU1a].instr) + stage = IU1a; + else if (!pipeline_altivec[IU1b].instr) + stage = IU1b; + else if (!pipeline_altivec[IU1c].instr) + stage = IU1c; + } + + pipeline_altivec[stage].instr = instr; + pipeline_altivec[stage].remaining = cycles; +} + +static void advance_clock(void) { + int num; + int i; + unsigned int unit; + + for (i = 0; i < NumStages; i++) { + if (pipeline_altivec[i].instr && pipeline_altivec[i].remaining) + --pipeline_altivec[i].remaining; + } + + for (i = 0; i < 3; i++) { + if (completionbuffers.used == 0) + break; + if (completionbuffers.entries[completionbuffers.nextToRetire].completed == 0) + break; + retire_instruction(); + } + + unit = 0; + do { + if (pipeline_altivec[finalstages[unit]].instr && pipeline_altivec[finalstages[unit]].remaining == 0) + complete_instruction(finalstages[unit]); + } while (++unit < NumFinalStages); + + unit = 0; + do { + Stage first; + Stage current; + first = pipeline_units[unit].start; + for (current = first; current < pipeline_units[unit].end; current++) { + if (pipeline_altivec[current].instr && pipeline_altivec[current].remaining == 0 && !pipeline_altivec[current + 1].instr) + advance(first, current, current + 1); + } + } while (++unit < NumPipelineUnits); + + fetchqueues[Queue5] = 0; + fetchqueues[Queue6] = 0; + fetchqueues[Queue7] = 0; + +#define CHEAP_MIN(a, b) ( ((a) < (b)) ? (a) : (b) ) + num = 2 - fetchqueues[Queue2]; + num += 6 - fetchqueues[Queue3]; + num += 4 - fetchqueues[Queue4]; + num = (num > 3) ? 3 : num; + num = (completionbuffers.free < num) ? completionbuffers.free : num; + if (fetchqueues[Queue0] < num) + num = fetchqueues[Queue0]; + + fetchqueues[Queue1] += num; + fetchqueues[Queue0] -= num; + + fetchqueues[Queue2] = CHEAP_MIN(fetchqueues[Queue1], CHEAP_MIN(2, fetchqueues[Queue2] + num)); + fetchqueues[Queue3] = CHEAP_MIN(fetchqueues[Queue1], CHEAP_MIN(6, fetchqueues[Queue3] + num)); + fetchqueues[Queue4] = CHEAP_MIN(fetchqueues[Queue1], CHEAP_MIN(4, fetchqueues[Queue4] + num)); + + CError_ASSERT(991, fetchqueues[Queue1] <= (fetchqueues[Queue2] + fetchqueues[Queue3] + fetchqueues[Queue4])); + + if (fetchqueues[Queue0] <= 8) + fetchqueues[Queue0] += 4; +} + +static int serializes(PCode *instr) { + return instruction_timing[instr->op].serializes; +} + +static int uses_vpermute_unit_altivec(PCode *instr) { + return instruction_timing[instr->op].stage == VPU_1; +} + +MachineInfo machine7450 = { + 6, + 1, + 4, + &latency, + &initialize, + &can_issue, + &issue, + &advance_clock, + &serializes, + &uses_vpermute_unit_altivec +}; -- cgit v1.2.3