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https://github.com/RPCS3/llvm-mirror.git
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008347d85e
Summary: The P5600 is an out-of-order, superscalar implementation of the MIPS32R5 architecture. The scheduler has a few missing details (see the 'Tricky Instructions' section and some quirks of the P5600 are deliberately omitted due to implementation difficulty and low chance of significant benefit (e.g. the predicate on P5600WriteEitherALU). However, testing on SingleSource is showing significant performance benefits on some apps (seven in the 10-30% range) and only one significant regression (12%) when -pre-RA-sched=linearize is given. Without -pre-RA-sched=linearize the results are more variable. Some do even better (up to 55% improvement) but increased numbers of copies are slowing others down (up to 12%). Overall, the scheduler as it currently stands is a 2.4% win with -pre-RA-sched=linearize and a 2.7% win without -pre-RA-sched=linearize. I'm sure we can improve on this further. For completeness, the FPGA this was tested on shows some failures with and without the P5600 scheduler. These appear to be scheduling related since the two test runs have fairly different sets of failing tests even after accounting for other factors (e.g. spurious connection failures) however it's not P5600 specific since we also get some for the generic scheduler. Reviewers: vkalintiris Subscribers: mpf, llvm-commits, atrick, vkalintiris Differential Revision: http://reviews.llvm.org/D12193 llvm-svn: 248725
376 lines
19 KiB
TableGen
376 lines
19 KiB
TableGen
//===-- MipsSchedule.td - Mips Scheduling Definitions ------*- tablegen -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//===----------------------------------------------------------------------===//
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// Functional units across Mips chips sets. Based on GCC/Mips backend files.
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//===----------------------------------------------------------------------===//
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def ALU : FuncUnit;
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def IMULDIV : FuncUnit;
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//===----------------------------------------------------------------------===//
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// Instruction Itinerary classes used for Mips
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//===----------------------------------------------------------------------===//
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// IIM16Alu is a placeholder class for most MIPS16 instructions.
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def IIM16Alu : InstrItinClass;
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def IIPseudo : InstrItinClass;
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def II_ABS : InstrItinClass;
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def II_ADDI : InstrItinClass;
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def II_ADDIU : InstrItinClass;
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def II_ADDU : InstrItinClass;
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def II_ADD_D : InstrItinClass;
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def II_ADD_S : InstrItinClass;
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def II_AND : InstrItinClass;
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def II_ANDI : InstrItinClass;
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def II_B : InstrItinClass;
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def II_BADDU : InstrItinClass;
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def II_BBIT : InstrItinClass; // bbit[01], bbit[01]32
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def II_BC : InstrItinClass;
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def II_BC1F : InstrItinClass;
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def II_BC1FL : InstrItinClass;
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def II_BC1T : InstrItinClass;
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def II_BC1TL : InstrItinClass;
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def II_BCC : InstrItinClass; // beq and bne
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def II_BCCZ : InstrItinClass; // b[gl][et]z
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def II_BCCZAL : InstrItinClass; // bgezal and bltzal
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def II_BCCZALS : InstrItinClass; // bgezals and bltzals
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def II_BCCZC : InstrItinClass; // beqzc, bnezc
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def II_CEIL : InstrItinClass;
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def II_CFC1 : InstrItinClass;
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def II_CLO : InstrItinClass;
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def II_CLZ : InstrItinClass;
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def II_CTC1 : InstrItinClass;
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def II_CVT : InstrItinClass;
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def II_C_CC_D : InstrItinClass; // Any c.<cc>.d instruction
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def II_C_CC_S : InstrItinClass; // Any c.<cc>.s instruction
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def II_DADDIU : InstrItinClass;
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def II_DADDU : InstrItinClass;
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def II_DADD : InstrItinClass;
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def II_DDIV : InstrItinClass;
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def II_DDIVU : InstrItinClass;
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def II_DIV : InstrItinClass;
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def II_DIVU : InstrItinClass;
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def II_DIV_D : InstrItinClass;
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def II_DIV_S : InstrItinClass;
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def II_DMFC1 : InstrItinClass;
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def II_DMTC1 : InstrItinClass;
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def II_DMUL : InstrItinClass;
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def II_DMULT : InstrItinClass;
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def II_DMULTU : InstrItinClass;
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def II_DROTR : InstrItinClass;
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def II_DROTR32 : InstrItinClass;
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def II_DROTRV : InstrItinClass;
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def II_DSLL : InstrItinClass;
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def II_DSLL32 : InstrItinClass;
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def II_DSLLV : InstrItinClass;
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def II_DSRA : InstrItinClass;
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def II_DSRA32 : InstrItinClass;
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def II_DSRAV : InstrItinClass;
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def II_DSRL : InstrItinClass;
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def II_DSRL32 : InstrItinClass;
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def II_DSRLV : InstrItinClass;
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def II_DSUBU : InstrItinClass;
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def II_DSUB : InstrItinClass;
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def II_EXT : InstrItinClass; // Any EXT instruction
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def II_FLOOR : InstrItinClass;
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def II_INS : InstrItinClass; // Any INS instruction
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def II_IndirectBranchPseudo : InstrItinClass; // Indirect branch pseudo.
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def II_J : InstrItinClass;
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def II_JAL : InstrItinClass;
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def II_JALR : InstrItinClass;
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def II_JALRC : InstrItinClass;
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def II_JALRS : InstrItinClass;
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def II_JALS : InstrItinClass;
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def II_JR : InstrItinClass;
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def II_JRADDIUSP : InstrItinClass;
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def II_JRC : InstrItinClass;
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def II_ReturnPseudo : InstrItinClass; // Return pseudo.
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def II_LB : InstrItinClass;
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def II_LBE : InstrItinClass;
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def II_LBU : InstrItinClass;
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def II_LBUE : InstrItinClass;
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def II_LD : InstrItinClass;
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def II_LDC1 : InstrItinClass;
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def II_LDL : InstrItinClass;
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def II_LDR : InstrItinClass;
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def II_LDXC1 : InstrItinClass;
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def II_LH : InstrItinClass;
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def II_LHE : InstrItinClass;
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def II_LHU : InstrItinClass;
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def II_LHUE : InstrItinClass;
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def II_LUI : InstrItinClass;
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def II_LUXC1 : InstrItinClass;
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def II_LW : InstrItinClass;
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def II_LWE : InstrItinClass;
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def II_LWC1 : InstrItinClass;
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def II_LWL : InstrItinClass;
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def II_LWLE : InstrItinClass;
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def II_LWR : InstrItinClass;
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def II_LWRE : InstrItinClass;
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def II_LWU : InstrItinClass;
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def II_LWXC1 : InstrItinClass;
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def II_MADD : InstrItinClass;
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def II_MADDU : InstrItinClass;
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def II_MADD_D : InstrItinClass;
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def II_MADD_S : InstrItinClass;
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def II_MFC1 : InstrItinClass;
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def II_MFHC1 : InstrItinClass;
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def II_MFHI_MFLO : InstrItinClass; // mfhi and mflo
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def II_MOVF : InstrItinClass;
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def II_MOVF_D : InstrItinClass;
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def II_MOVF_S : InstrItinClass;
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def II_MOVN : InstrItinClass;
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def II_MOVN_D : InstrItinClass;
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def II_MOVN_S : InstrItinClass;
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def II_MOVT : InstrItinClass;
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def II_MOVT_D : InstrItinClass;
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def II_MOVT_S : InstrItinClass;
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def II_MOVZ : InstrItinClass;
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def II_MOVZ_D : InstrItinClass;
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def II_MOVZ_S : InstrItinClass;
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def II_MOV_D : InstrItinClass;
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def II_MOV_S : InstrItinClass;
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def II_MSUB : InstrItinClass;
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def II_MSUBU : InstrItinClass;
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def II_MSUB_D : InstrItinClass;
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def II_MSUB_S : InstrItinClass;
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def II_MTC1 : InstrItinClass;
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def II_MTHC1 : InstrItinClass;
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def II_MTHI_MTLO : InstrItinClass; // mthi and mtlo
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def II_MUL : InstrItinClass;
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def II_MULT : InstrItinClass;
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def II_MULTU : InstrItinClass;
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def II_MUL_D : InstrItinClass;
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def II_MUL_S : InstrItinClass;
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def II_NEG : InstrItinClass;
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def II_NMADD_D : InstrItinClass;
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def II_NMADD_S : InstrItinClass;
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def II_NMSUB_D : InstrItinClass;
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def II_NMSUB_S : InstrItinClass;
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def II_NOR : InstrItinClass;
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def II_OR : InstrItinClass;
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def II_ORI : InstrItinClass;
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def II_POP : InstrItinClass;
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def II_RDHWR : InstrItinClass;
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def II_RESTORE : InstrItinClass;
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def II_ROTR : InstrItinClass;
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def II_ROTRV : InstrItinClass;
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def II_ROUND : InstrItinClass;
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def II_SAVE : InstrItinClass;
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def II_SB : InstrItinClass;
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def II_SBE : InstrItinClass;
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def II_SD : InstrItinClass;
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def II_SDC1 : InstrItinClass;
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def II_SDL : InstrItinClass;
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def II_SDR : InstrItinClass;
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def II_SDXC1 : InstrItinClass;
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def II_SEB : InstrItinClass;
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def II_SEH : InstrItinClass;
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def II_SEQ_SNE : InstrItinClass; // seq and sne
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def II_SEQI_SNEI : InstrItinClass; // seqi and snei
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def II_SH : InstrItinClass;
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def II_SHE : InstrItinClass;
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def II_SLL : InstrItinClass;
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def II_SLLV : InstrItinClass;
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def II_SLTI_SLTIU : InstrItinClass; // slti and sltiu
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def II_SLT_SLTU : InstrItinClass; // slt and sltu
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def II_SQRT_D : InstrItinClass;
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def II_SQRT_S : InstrItinClass;
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def II_SRA : InstrItinClass;
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def II_SRAV : InstrItinClass;
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def II_SRL : InstrItinClass;
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def II_SRLV : InstrItinClass;
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def II_SUBU : InstrItinClass;
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def II_SUB_D : InstrItinClass;
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def II_SUB_S : InstrItinClass;
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def II_SUXC1 : InstrItinClass;
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def II_SW : InstrItinClass;
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def II_SWE : InstrItinClass;
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def II_SWC1 : InstrItinClass;
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def II_SWL : InstrItinClass;
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def II_SWLE : InstrItinClass;
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def II_SWR : InstrItinClass;
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def II_SWRE : InstrItinClass;
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def II_SWXC1 : InstrItinClass;
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def II_TRUNC : InstrItinClass;
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def II_WSBH : InstrItinClass;
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def II_XOR : InstrItinClass;
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def II_XORI : InstrItinClass;
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//===----------------------------------------------------------------------===//
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// Mips Generic instruction itineraries.
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//===----------------------------------------------------------------------===//
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def MipsGenericItineraries : ProcessorItineraries<[ALU, IMULDIV], [], [
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InstrItinData<IIM16Alu , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_ADDI , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_ADDIU , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_ADDU , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_AND , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_BADDU , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SLL , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SRA , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SRL , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_ROTR , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SLLV , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SRAV , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SRLV , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_ROTRV , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_CLO , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_CLZ , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_DADDIU , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_DADDU , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_DADD , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_DSLL , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_DSRL , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_DSRA , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_DSLLV , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_DSRLV , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_DSRAV , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_DSUBU , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_DSUB , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_DROTR , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_DROTRV , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_EXT , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_INS , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_LUI , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_MOVF , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_MOVN , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_MOVN_S , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_MOVN_D , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_MOVT , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_MOVZ , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_NOR , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_OR , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_POP , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_RDHWR , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SUBU , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_XOR , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_ANDI , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_ORI , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_XORI , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_LB , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_LBU , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_LH , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_LHU , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_LW , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_LWL , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_LWR , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_LD , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_LDL , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_LDR , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_RESTORE , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_SB , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SH , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SW , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SWL , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SWR , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SDL , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SDR , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SD , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SAVE , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SEQ_SNE , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SEQI_SNEI , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_B , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_BBIT , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_BC , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_BC1F , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_BC1FL , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_BC1T , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_BC1TL , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_BCC , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_BCCZ , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_BCCZAL , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_BCCZALS , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_BCCZC , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_IndirectBranchPseudo, [InstrStage<1, [ALU]>]>,
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InstrItinData<II_J , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_JAL , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_JALR , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_JALRC , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_JALRS , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_JALS , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_JR , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_JRADDIUSP , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_JRC , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_ReturnPseudo , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_DMUL , [InstrStage<17, [IMULDIV]>]>,
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InstrItinData<II_DMULT , [InstrStage<17, [IMULDIV]>]>,
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InstrItinData<II_DMULTU , [InstrStage<17, [IMULDIV]>]>,
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InstrItinData<II_MADD , [InstrStage<17, [IMULDIV]>]>,
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InstrItinData<II_MADDU , [InstrStage<17, [IMULDIV]>]>,
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InstrItinData<II_MFHI_MFLO , [InstrStage<1, [IMULDIV]>]>,
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InstrItinData<II_MSUB , [InstrStage<17, [IMULDIV]>]>,
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InstrItinData<II_MSUBU , [InstrStage<17, [IMULDIV]>]>,
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InstrItinData<II_MTHI_MTLO , [InstrStage<1, [IMULDIV]>]>,
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InstrItinData<II_MUL , [InstrStage<17, [IMULDIV]>]>,
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InstrItinData<II_MULT , [InstrStage<17, [IMULDIV]>]>,
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InstrItinData<II_MULTU , [InstrStage<17, [IMULDIV]>]>,
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InstrItinData<II_MSUB , [InstrStage<17, [IMULDIV]>]>,
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InstrItinData<II_MSUBU , [InstrStage<17, [IMULDIV]>]>,
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InstrItinData<II_DIV , [InstrStage<38, [IMULDIV]>]>,
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InstrItinData<II_DIVU , [InstrStage<38, [IMULDIV]>]>,
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InstrItinData<II_DDIV , [InstrStage<38, [IMULDIV]>]>,
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InstrItinData<II_DDIVU , [InstrStage<38, [IMULDIV]>]>,
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InstrItinData<II_CEIL , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_CVT , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_ABS , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_FLOOR , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_NEG , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_ROUND , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_TRUNC , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_MOV_D , [InstrStage<2, [ALU]>]>,
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InstrItinData<II_MOV_S , [InstrStage<2, [ALU]>]>,
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InstrItinData<II_CFC1 , [InstrStage<2, [ALU]>]>,
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InstrItinData<II_CTC1 , [InstrStage<2, [ALU]>]>,
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InstrItinData<II_MOVF_D , [InstrStage<2, [ALU]>]>,
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InstrItinData<II_MOVF_S , [InstrStage<2, [ALU]>]>,
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InstrItinData<II_MOVT_D , [InstrStage<2, [ALU]>]>,
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InstrItinData<II_MOVT_S , [InstrStage<2, [ALU]>]>,
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InstrItinData<II_MOVZ_D , [InstrStage<2, [ALU]>]>,
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InstrItinData<II_MOVZ_S , [InstrStage<2, [ALU]>]>,
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InstrItinData<II_C_CC_S , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_C_CC_D , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_ADD_D , [InstrStage<4, [ALU]>]>,
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InstrItinData<II_ADD_S , [InstrStage<4, [ALU]>]>,
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InstrItinData<II_SUB_D , [InstrStage<4, [ALU]>]>,
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InstrItinData<II_SUB_S , [InstrStage<4, [ALU]>]>,
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InstrItinData<II_MUL_S , [InstrStage<7, [ALU]>]>,
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InstrItinData<II_MADD_S , [InstrStage<7, [ALU]>]>,
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InstrItinData<II_MSUB_S , [InstrStage<7, [ALU]>]>,
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InstrItinData<II_NMADD_S , [InstrStage<7, [ALU]>]>,
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InstrItinData<II_NMSUB_S , [InstrStage<7, [ALU]>]>,
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InstrItinData<II_MUL_D , [InstrStage<8, [ALU]>]>,
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InstrItinData<II_MADD_D , [InstrStage<8, [ALU]>]>,
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InstrItinData<II_MSUB_D , [InstrStage<8, [ALU]>]>,
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InstrItinData<II_NMADD_D , [InstrStage<8, [ALU]>]>,
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InstrItinData<II_NMSUB_D , [InstrStage<8, [ALU]>]>,
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InstrItinData<II_DIV_S , [InstrStage<23, [ALU]>]>,
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InstrItinData<II_DIV_D , [InstrStage<36, [ALU]>]>,
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InstrItinData<II_SQRT_S , [InstrStage<54, [ALU]>]>,
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InstrItinData<II_SQRT_D , [InstrStage<12, [ALU]>]>,
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InstrItinData<II_LDC1 , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_LWC1 , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_LDXC1 , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_LWXC1 , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_LUXC1 , [InstrStage<3, [ALU]>]>,
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InstrItinData<II_SDC1 , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SWC1 , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SDXC1 , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SWXC1 , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_SUXC1 , [InstrStage<1, [ALU]>]>,
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InstrItinData<II_DMFC1 , [InstrStage<2, [ALU]>]>,
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InstrItinData<II_DMTC1 , [InstrStage<2, [ALU]>]>,
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InstrItinData<II_MFC1 , [InstrStage<2, [ALU]>]>,
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InstrItinData<II_MTC1 , [InstrStage<2, [ALU]>]>,
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|
InstrItinData<II_MFHC1 , [InstrStage<2, [ALU]>]>,
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InstrItinData<II_MTHC1 , [InstrStage<2, [ALU]>]>
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|
]>;
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include "MipsScheduleP5600.td"
|