Revert "[RISCV] Add scheduling model for mips p8700 CPU" #120537
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This reverts commit 0f9257b.
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@llvm/pr-subscribers-backend-risc-v Author: Djordje Todorovic (djtodoro) ChangesReverts llvm/llvm-project#119885 llvm-project/llvm/lib/Target/RISCV/RISCVSchedMIPSP8700.td:20:5: Full diff: https://github.com/llvm/llvm-project/pull/120537.diff 4 Files Affected:
diff --git a/llvm/lib/Target/RISCV/RISCV.td b/llvm/lib/Target/RISCV/RISCV.td
index 1df6f9ae1944c8..00c3d702e12a22 100644
--- a/llvm/lib/Target/RISCV/RISCV.td
+++ b/llvm/lib/Target/RISCV/RISCV.td
@@ -46,7 +46,6 @@ include "RISCVMacroFusion.td"
// RISC-V Scheduling Models
//===----------------------------------------------------------------------===//
-include "RISCVSchedMIPSP8700.td"
include "RISCVSchedRocket.td"
include "RISCVSchedSiFive7.td"
include "RISCVSchedSiFiveP400.td"
diff --git a/llvm/lib/Target/RISCV/RISCVProcessors.td b/llvm/lib/Target/RISCV/RISCVProcessors.td
index 053a3b11f39bc5..445e084d07686b 100644
--- a/llvm/lib/Target/RISCV/RISCVProcessors.td
+++ b/llvm/lib/Target/RISCV/RISCVProcessors.td
@@ -105,7 +105,7 @@ def GENERIC_RV64 : RISCVProcessorModel<"generic-rv64",
def GENERIC : RISCVTuneProcessorModel<"generic", NoSchedModel>, GenericTuneInfo;
def MIPS_P8700 : RISCVProcessorModel<"mips-p8700",
- MIPSP8700Model,
+ NoSchedModel,
[Feature64Bit,
FeatureStdExtI,
FeatureStdExtM,
@@ -321,6 +321,7 @@ def SIFIVE_P470 : RISCVProcessorModel<"sifive-p470", SiFiveP400Model,
[TuneNoSinkSplatOperands,
TuneVXRMPipelineFlush])>;
+
def SIFIVE_P670 : RISCVProcessorModel<"sifive-p670", SiFiveP600Model,
!listconcat(RVA22U64Features,
[FeatureStdExtV,
diff --git a/llvm/lib/Target/RISCV/RISCVSchedMIPSP8700.td b/llvm/lib/Target/RISCV/RISCVSchedMIPSP8700.td
deleted file mode 100644
index 4029f4dbc11fb6..00000000000000
--- a/llvm/lib/Target/RISCV/RISCVSchedMIPSP8700.td
+++ /dev/null
@@ -1,280 +0,0 @@
-//===-- RISCVSchedMIPSP8700.td - MIPS RISC-V Processor -----*- tablegen -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-//===----------------------------------------------------------------------===//
-// P8700 - a RISC-V processor by MIPS.
-// Pipelines:
-// - 2 Integer Arithmetic and Logical Units (ALU and AL2)
-// - Multiply / Divide Unit (MDU)
-// - Branch Unit (CTI)
-// - Load Store Unit (LSU)
-// - Short Floating Point Pipe (FPUS)
-// - Long Floating Point Pipe (FPUL)
-//===----------------------------------------------------------------------===//
-
-def MIPSP8700Model : SchedMachineModel {
- int IssueWidth = 4;
- int MicroOpBufferSize = 96;
- int LoadLatency = 4;
- int MispredictPenalty = 8;
- let CompleteModel = 0;
-}
-
-let SchedModel = MIPSP8700Model in {
-// Handle ALQ Pipelines.
-// It contains 1 ALU Unit only.
-def p8700ALQ : ProcResource<1> { let BufferSize = 16; }
-
-// Handle AGQ Pipelines.
-def p8700AGQ : ProcResource<3> { let BufferSize = 16; }
-def p8700IssueAL2 : ProcResource<1> { let Super = p8700AGQ; }
-def p8700IssueCTI : ProcResource<1> { let Super = p8700AGQ; }
-def p8700IssueLSU : ProcResource<1> { let Super = p8700AGQ; }
-def p8700WriteEitherALU : ProcResGroup<[p8700ALQ, p8700IssueAL2]>;
-
-// Handle Multiply Divide Pipe.
-def p8700GpDiv : ProcResource<1>;
-def p8700GpMul : ProcResource<1>;
-
-def : WriteRes<WriteIALU, [p8700WriteEitherALU]>;
-def : WriteRes<WriteIALU32, [p8700WriteEitherALU]>;
-def : WriteRes<WriteShiftImm, [p8700WriteEitherALU]>;
-def : WriteRes<WriteShiftImm32, [p8700WriteEitherALU]>;
-def : WriteRes<WriteShiftReg, [p8700WriteEitherALU]>;
-def : WriteRes<WriteShiftReg32, [p8700WriteEitherALU]>;
-
-// Handle zba.
-def : WriteRes<WriteSHXADD, [p8700WriteEitherALU]>;
-def : WriteRes<WriteSHXADD32, [p8700WriteEitherALU]>;
-
-// Handle zbb.
-let Latency = 2 in {
-def : WriteRes<WriteCLZ, [p8700IssueAL2]>;
-def : WriteRes<WriteCTZ, [p8700IssueAL2]>;
-def : WriteRes<WriteCPOP, [p8700IssueAL2]>;
-def : WriteRes<WriteCLZ32, [p8700IssueAL2]>;
-def : WriteRes<WriteCTZ32, [p8700IssueAL2]>;
-def : WriteRes<WriteCPOP32, [p8700IssueAL2]>;
-}
-def : WriteRes<WriteRotateReg, [p8700WriteEitherALU]>;
-def : WriteRes<WriteRotateImm, [p8700WriteEitherALU]>;
-def : WriteRes<WriteRotateReg32, [p8700WriteEitherALU]>;
-def : WriteRes<WriteRotateImm32, [p8700WriteEitherALU]>;
-def : WriteRes<WriteREV8, [p8700WriteEitherALU]>;
-def : WriteRes<WriteORCB, [p8700WriteEitherALU]>;
-def : WriteRes<WriteIMinMax, [p8700WriteEitherALU]>;
-
-let Latency = 0 in
-def : WriteRes<WriteNop, [p8700WriteEitherALU]>;
-
-let Latency = 4 in {
-def : WriteRes<WriteLDB, [p8700IssueLSU]>;
-def : WriteRes<WriteLDH, [p8700IssueLSU]>;
-def : WriteRes<WriteLDW, [p8700IssueLSU]>;
-def : WriteRes<WriteLDD, [p8700IssueLSU]>;
-
-def : WriteRes<WriteAtomicW, [p8700IssueLSU]>;
-def : WriteRes<WriteAtomicD, [p8700IssueLSU]>;
-def : WriteRes<WriteAtomicLDW, [p8700IssueLSU]>;
-def : WriteRes<WriteAtomicLDD, [p8700IssueLSU]>;
-}
-
-let Latency = 8 in {
-def : WriteRes<WriteFLD32, [p8700IssueLSU]>;
-def : WriteRes<WriteFLD64, [p8700IssueLSU]>;
-}
-
-let Latency = 3 in {
-def : WriteRes<WriteSTB, [p8700IssueLSU]>;
-def : WriteRes<WriteSTH, [p8700IssueLSU]>;
-def : WriteRes<WriteSTW, [p8700IssueLSU]>;
-def : WriteRes<WriteSTD, [p8700IssueLSU]>;
-
-def : WriteRes<WriteAtomicSTW, [p8700IssueLSU]>;
-def : WriteRes<WriteAtomicSTD, [p8700IssueLSU]>;
-}
-
-def : WriteRes<WriteFST32, [p8700IssueLSU]>;
-def : WriteRes<WriteFST64, [p8700IssueLSU]>;
-
-let Latency = 7 in {
-def : WriteRes<WriteFMovI32ToF32, [p8700IssueLSU]>;
-def : WriteRes<WriteFMovF32ToI32, [p8700IssueLSU]>;
-def : WriteRes<WriteFMovI64ToF64, [p8700IssueLSU]>;
-def : WriteRes<WriteFMovF64ToI64, [p8700IssueLSU]>;
-}
-
-let Latency = 4 in {
-def : WriteRes<WriteIMul, [p8700GpMul]>;
-def : WriteRes<WriteIMul32, [p8700GpMul]>;
-}
-
-let Latency = 7, ReleaseAtCycles = [7] in {
-def : WriteRes<WriteIDiv, [p8700GpDiv]>;
-def : WriteRes<WriteIDiv32, [p8700GpDiv]>;
-def : WriteRes<WriteIRem, [p8700GpDiv]>;
-def : WriteRes<WriteIRem32, [p8700GpDiv]>;
-}
-
-def : WriteRes<WriteCSR, [p8700ALQ]>;
-
-// Handle CTI Pipeline.
-def : WriteRes<WriteJmp, [p8700IssueCTI]>;
-def : WriteRes<WriteJalr, [p8700IssueCTI]>;
-let Latency = 2 in {
-def : WriteRes<WriteJal, [p8700IssueCTI]>;
-def : WriteRes<WriteJalr, [p8700IssueCTI]>;
-}
-
-// Handle FPU Pipelines.
-def p8700FPQ : ProcResource<3> { let BufferSize = 16; }
-def p8700IssueFPUS : ProcResource<1> { let Super = p8700FPQ; }
-def p8700IssueFPUL : ProcResource<1> { let Super = p8700FPQ; }
-def p8700FpuApu : ProcResource<1>;
-def p8700FpuLong : ProcResource<1>;
-
-let Latency = 4 in {
-def : WriteRes<WriteFCvtI32ToF32, [p8700IssueFPUL, p8700FpuApu]>;
-def : WriteRes<WriteFCvtI32ToF64, [p8700IssueFPUL, p8700FpuApu]>;
-def : WriteRes<WriteFCvtI64ToF32, [p8700IssueFPUL, p8700FpuApu]>;
-def : WriteRes<WriteFCvtI64ToF64, [p8700IssueFPUL, p8700FpuApu]>;
-def : WriteRes<WriteFCvtF32ToI32, [p8700IssueFPUL, p8700FpuApu]>;
-def : WriteRes<WriteFCvtF32ToI64, [p8700IssueFPUL, p8700FpuApu]>;
-def : WriteRes<WriteFCvtF32ToF64, [p8700IssueFPUL, p8700FpuApu]>;
-def : WriteRes<WriteFCvtF64ToI32, [p8700IssueFPUL, p8700FpuApu]>;
-def : WriteRes<WriteFCvtF64ToI64, [p8700IssueFPUL, p8700FpuApu]>;
-def : WriteRes<WriteFCvtF64ToF32, [p8700IssueFPUL, p8700FpuApu]>;
-
-def : WriteRes<WriteFAdd32, [p8700IssueFPUL, p8700FpuApu]>;
-def : WriteRes<WriteFAdd64, [p8700IssueFPUL, p8700FpuApu]>;
-}
-
-let Latency = 2 in {
-def : WriteRes<WriteFSGNJ32, [p8700IssueFPUS, p8700FpuApu]>;
-def : WriteRes<WriteFMinMax32, [p8700IssueFPUS, p8700FpuApu]>;
-def : WriteRes<WriteFSGNJ64, [p8700IssueFPUS, p8700FpuApu]>;
-def : WriteRes<WriteFMinMax64, [p8700IssueFPUS, p8700FpuApu]>;
-
-def : WriteRes<WriteFCmp32, [p8700IssueFPUS, p8700FpuApu]>;
-def : WriteRes<WriteFCmp64, [p8700IssueFPUS, p8700FpuApu]>;
-def : WriteRes<WriteFClass32, [p8700IssueFPUS, p8700FpuApu]>;
-def : WriteRes<WriteFClass64, [p8700IssueFPUS, p8700FpuApu]>;
-}
-
-let Latency = 8 in {
-def : WriteRes<WriteFMA32, [p8700FpuLong, p8700FpuApu]>;
-def : WriteRes<WriteFMA64, [p8700FpuLong, p8700FpuApu]>;
-}
-
-let Latency = 5 in {
-def : WriteRes<WriteFMul32, [p8700FpuLong, p8700FpuApu]>;
-def : WriteRes<WriteFMul64, [p8700FpuLong, p8700FpuApu]>;
-}
-
-let Latency = 11, ReleaseAtCycles = [1, 11] in {
-def : WriteRes<WriteFDiv32, [p8700FpuLong, p8700FpuApu]>;
-def : WriteRes<WriteFSqrt32, [p8700FpuLong, p8700FpuApu]>;
-}
-
-let Latency = 17, ReleaseAtCycles = [1, 17] in {
-def : WriteRes<WriteFDiv64, [p8700IssueFPUL, p8700FpuApu]>;
-def : WriteRes<WriteFSqrt64, [p8700IssueFPUL, p8700FpuApu]>;
-}
-
-// Bypass and advance.
-def : ReadAdvance<ReadIALU, 0>;
-def : ReadAdvance<ReadIALU32, 0>;
-def : ReadAdvance<ReadShiftImm, 0>;
-def : ReadAdvance<ReadShiftImm32, 0>;
-def : ReadAdvance<ReadShiftReg, 0>;
-def : ReadAdvance<ReadShiftReg32, 0>;
-def : ReadAdvance<ReadSHXADD, 0>;
-def : ReadAdvance<ReadSHXADD32, 0>;
-def : ReadAdvance<ReadRotateReg, 0>;
-def : ReadAdvance<ReadRotateImm, 0>;
-def : ReadAdvance<ReadCLZ, 0>;
-def : ReadAdvance<ReadCTZ, 0>;
-def : ReadAdvance<ReadCPOP, 0>;
-def : ReadAdvance<ReadRotateReg32, 0>;
-def : ReadAdvance<ReadRotateImm32, 0>;
-def : ReadAdvance<ReadCLZ32, 0>;
-def : ReadAdvance<ReadCTZ32, 0>;
-def : ReadAdvance<ReadCPOP32, 0>;
-def : ReadAdvance<ReadREV8, 0>;
-def : ReadAdvance<ReadORCB, 0>;
-def : ReadAdvance<ReadIMul, 0>;
-def : ReadAdvance<ReadIMul32, 0>;
-def : ReadAdvance<ReadIDiv, 0>;
-def : ReadAdvance<ReadIDiv32, 0>;
-def : ReadAdvance<ReadJmp, 0>;
-def : ReadAdvance<ReadJalr, 0>;
-def : ReadAdvance<ReadFMovI32ToF32, 0>;
-def : ReadAdvance<ReadFMovF32ToI32, 0>;
-def : ReadAdvance<ReadFMovI64ToF64, 0>;
-def : ReadAdvance<ReadFMovF64ToI64, 0>;
-def : ReadAdvance<ReadFSGNJ32, 0>;
-def : ReadAdvance<ReadFMinMax32, 0>;
-def : ReadAdvance<ReadFSGNJ64, 0>;
-def : ReadAdvance<ReadFMinMax64, 0>;
-def : ReadAdvance<ReadFCmp32, 0>;
-def : ReadAdvance<ReadFCmp64, 0>;
-def : ReadAdvance<ReadFCvtI32ToF32, 0>;
-def : ReadAdvance<ReadFCvtI32ToF64, 0>;
-def : ReadAdvance<ReadFCvtI64ToF32, 0>;
-def : ReadAdvance<ReadFCvtI64ToF64, 0>;
-def : ReadAdvance<ReadFCvtF32ToI32, 0>;
-def : ReadAdvance<ReadFCvtF32ToI64, 0>;
-def : ReadAdvance<ReadFCvtF32ToF64, 0>;
-def : ReadAdvance<ReadFCvtF64ToI32, 0>;
-def : ReadAdvance<ReadFCvtF64ToI64, 0>;
-def : ReadAdvance<ReadFCvtF64ToF32, 0>;
-def : ReadAdvance<ReadFAdd32, 0>;
-def : ReadAdvance<ReadFAdd64, 0>;
-def : ReadAdvance<ReadFMul32, 0>;
-def : ReadAdvance<ReadFMul64, 0>;
-def : ReadAdvance<ReadFMA32, 0>;
-def : ReadAdvance<ReadFMA32Addend, 0>;
-def : ReadAdvance<ReadFMA64, 0>;
-def : ReadAdvance<ReadFMA64Addend, 0>;
-def : ReadAdvance<ReadFDiv32, 0>;
-def : ReadAdvance<ReadFSqrt32, 0>;
-def : ReadAdvance<ReadFDiv64, 0>;
-def : ReadAdvance<ReadFSqrt64, 0>;
-def : ReadAdvance<ReadAtomicWA, 0>;
-def : ReadAdvance<ReadAtomicWD, 0>;
-def : ReadAdvance<ReadAtomicDA, 0>;
-def : ReadAdvance<ReadAtomicDD, 0>;
-def : ReadAdvance<ReadAtomicLDW, 0>;
-def : ReadAdvance<ReadAtomicLDD, 0>;
-def : ReadAdvance<ReadAtomicSTW, 0>;
-def : ReadAdvance<ReadAtomicSTD, 0>;
-def : ReadAdvance<ReadFStoreData, 0>;
-def : ReadAdvance<ReadCSR, 0>;
-def : ReadAdvance<ReadMemBase, 0>;
-def : ReadAdvance<ReadStoreData, 0>;
-def : ReadAdvance<ReadFMemBase, 0>;
-def : ReadAdvance<ReadFClass32, 0>;
-def : ReadAdvance<ReadFClass64, 0>;
-def : ReadAdvance<ReadIMinMax, 0>;
-def : ReadAdvance<ReadIRem, 0>;
-def : ReadAdvance<ReadIRem32, 0>;
-
-// Unsupported extensions.
-defm : UnsupportedSchedV;
-defm : UnsupportedSchedZbc;
-defm : UnsupportedSchedZbs;
-defm : UnsupportedSchedZbkb;
-defm : UnsupportedSchedZbkx;
-defm : UnsupportedSchedZfa;
-defm : UnsupportedSchedZfh;
-defm : UnsupportedSchedSFB;
-defm : UnsupportedSchedZabha;
-defm : UnsupportedSchedXsfvcp;
-defm : UnsupportedSchedZvk;
-defm : UnsupportedSchedZvkned;
-}
diff --git a/llvm/test/tools/llvm-mca/RISCV/MIPS/p8700.s b/llvm/test/tools/llvm-mca/RISCV/MIPS/p8700.s
deleted file mode 100644
index ca91f6bb970d8b..00000000000000
--- a/llvm/test/tools/llvm-mca/RISCV/MIPS/p8700.s
+++ /dev/null
@@ -1,143 +0,0 @@
-# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
-# RUN: llvm-mca -mtriple=riscv64 -mcpu=mips-p8700 -timeline -iterations=1 < %s | FileCheck %s
-
-# A few instructions to test the pipeline:
-# - Integer division (IDiv) exercises the p8700GpDiv resource.
-# - Integer multiplication (IMul) uses p8700GpMul.
-# - Floating-point multiplication uses the FPUL pipeline.
-# - Load/Store instructions use the LSU pipeline.
-# - Simple ALU instructions test the p8700WriteEitherALU and p8700IssueAL2 resources.
-# - A jump instruction to test the CTI pipeline.
-
- .text
- .globl _start
-_start:
-
-# Integer division: a0 = a1 / a2
-# Exercises p8700GpDiv resource.
- div a0, a1, a2
-
-# Integer multiplication: a4 = a1 * a2
-# Exercises p8700GpMul resource.
- mul a4, a1, a2
-
-# Floating-point multiply: f1 = f2 * f3 (single precision)
-# Exercises p8700FpuLong + p8700FpuApu resources.
- fmul.s f1, f2, f3
-
-# Load/Store: load word from a0 into a3, then store a3 into a1
-# Exercises p8700IssueLSU resource.
- lw a3, 0(a0)
- sw a3, 0(a1)
-
-# Simple ALU operations (adding two registers, rotating bits)
-# Exercises p8700WriteEitherALU.
- add a5, a1, a2
- ror a6, a5, a2
-
-# A jump instruction: a simple forward jump
-# Exercises p8700IssueCTI resource.
- jal x0, .Lend
-
- add a7, a4, a0 # Instruction after jump (won't execute)
-.Lend:
- nop
-
-# CHECK: Iterations: 1
-# CHECK-NEXT: Instructions: 10
-# CHECK-NEXT: Total Cycles: 17
-# CHECK-NEXT: Total uOps: 10
-
-# CHECK: Dispatch Width: 4
-# CHECK-NEXT: uOps Per Cycle: 0.59
-# CHECK-NEXT: IPC: 0.59
-# CHECK-NEXT: Block RThroughput: 7.0
-
-# CHECK: Instruction Info:
-# CHECK-NEXT: [1]: #uOps
-# CHECK-NEXT: [2]: Latency
-# CHECK-NEXT: [3]: RThroughput
-# CHECK-NEXT: [4]: MayLoad
-# CHECK-NEXT: [5]: MayStore
-# CHECK-NEXT: [6]: HasSideEffects (U)
-
-# CHECK: [1] [2] [3] [4] [5] [6] Instructions:
-# CHECK-NEXT: 1 7 7.00 div a0, a1, a2
-# CHECK-NEXT: 1 4 1.00 mul a4, a1, a2
-# CHECK-NEXT: 1 5 1.00 fmul.s ft1, ft2, ft3
-# CHECK-NEXT: 1 4 1.00 * lw a3, 0(a0)
-# CHECK-NEXT: 1 3 1.00 * sw a3, 0(a1)
-# CHECK-NEXT: 1 1 0.50 add a5, a1, a2
-# CHECK-NEXT: 1 1 0.50 ror a6, a5, a2
-# CHECK-NEXT: 1 1 1.00 j .Lend
-# CHECK-NEXT: 1 1 0.50 add a7, a4, a0
-# CHECK-NEXT: 1 0 0.50 nop
-
-# CHECK: Resources:
-# CHECK-NEXT: [0.0] - p8700AGQ
-# CHECK-NEXT: [0.1] - p8700AGQ
-# CHECK-NEXT: [0.2] - p8700AGQ
-# CHECK-NEXT: [1] - p8700ALQ
-# CHECK-NEXT: [2.0] - p8700FPQ
-# CHECK-NEXT: [2.1] - p8700FPQ
-# CHECK-NEXT: [2.2] - p8700FPQ
-# CHECK-NEXT: [3] - p8700FpuApu
-# CHECK-NEXT: [4] - p8700FpuLong
-# CHECK-NEXT: [5] - p8700GpDiv
-# CHECK-NEXT: [6] - p8700GpMul
-# CHECK-NEXT: [7] - p8700IssueAL2
-# CHECK-NEXT: [8] - p8700IssueCTI
-# CHECK-NEXT: [9] - p8700IssueFPUL
-# CHECK-NEXT: [10] - p8700IssueFPUS
-# CHECK-NEXT: [11] - p8700IssueLSU
-
-# CHECK: Resource pressure per iteration:
-# CHECK-NEXT: [0.0] [0.1] [0.2] [1] [2.0] [2.1] [2.2] [3] [4] [5] [6] [7] [8] [9] [10] [11]
-# CHECK-NEXT: 1.00 1.00 1.00 2.00 - - - 1.00 1.00 7.00 1.00 2.00 1.00 - - 2.00
-
-# CHECK: Resource pressure by instruction:
-# CHECK-NEXT: [0.0] [0.1] [0.2] [1] [2.0] [2.1] [2.2] [3] [4] [5] [6] [7] [8] [9] [10] [11] Instructions:
-# CHECK-NEXT: - - - - - - - - - 7.00 - - - - - - div a0, a1, a2
-# CHECK-NEXT: - - - - - - - - - - 1.00 - - - - - mul a4, a1, a2
-# CHECK-NEXT: - - - - - - - 1.00 1.00 - - - - - - - fmul.s ft1, ft2, ft3
-# CHECK-NEXT: - 1.00 - - - - - - - - - - - - - 1.00 lw a3, 0(a0)
-# CHECK-NEXT: 1.00 - - - - - - - - - - - - - - 1.00 sw a3, 0(a1)
-# CHECK-NEXT: - - - - - - - - - - - 1.00 - - - - add a5, a1, a2
-# CHECK-NEXT: - - - 1.00 - - - - - - - - - - - - ror a6, a5, a2
-# CHECK-NEXT: - - 1.00 - - - - - - - - - 1.00 - - - j .Lend
-# CHECK-NEXT: - - - 1.00 - - - - - - - - - - - - add a7, a4, a0
-# CHECK-NEXT: - - - - - - - - - - - 1.00 - - - - nop
-
-# CHECK: Timeline view:
-# CHECK-NEXT: 0123456
-# CHECK-NEXT: Index 0123456789
-
-# CHECK: [0,0] DeeeeeeeER. .. div a0, a1, a2
-# CHECK-NEXT: [0,1] DeeeeE---R. .. mul a4, a1, a2
-# CHECK-NEXT: [0,2] DeeeeeE--R. .. fmul.s ft1, ft2, ft3
-# CHECK-NEXT: [0,3] D=======eeeeER .. lw a3, 0(a0)
-# CHECK-NEXT: [0,4] .D==========eeeER sw a3, 0(a1)
-# CHECK-NEXT: [0,5] .DeE------------R add a5, a1, a2
-# CHECK-NEXT: [0,6] .D=eE-----------R ror a6, a5, a2
-# CHECK-NEXT: [0,7] .DeE------------R j .Lend
-# CHECK-NEXT: [0,8] . D=====eE------R add a7, a4, a0
-# CHECK-NEXT: [0,9] . DE------------R nop
-
-# CHECK: Average Wait times (based on the timeline view):
-# CHECK-NEXT: [0]: Executions
-# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
-# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
-# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
-
-# CHECK: [0] [1] [2] [3]
-# CHECK-NEXT: 0. 1 1.0 1.0 0.0 div a0, a1, a2
-# CHECK-NEXT: 1. 1 1.0 1.0 3.0 mul a4, a1, a2
-# CHECK-NEXT: 2. 1 1.0 1.0 2.0 fmul.s ft1, ft2, ft3
-# CHECK-NEXT: 3. 1 8.0 0.0 0.0 lw a3, 0(a0)
-# CHECK-NEXT: 4. 1 11.0 0.0 0.0 sw a3, 0(a1)
-# CHECK-NEXT: 5. 1 1.0 1.0 12.0 add a5, a1, a2
-# CHECK-NEXT: 6. 1 2.0 0.0 11.0 ror a6, a5, a2
-# CHECK-NEXT: 7. 1 1.0 1.0 12.0 j .Lend
-# CHECK-NEXT: 8. 1 6.0 0.0 6.0 add a7, a4, a0
-# CHECK-NEXT: 9. 1 1.0 1.0 12.0 nop
-# CHECK-NEXT: 1 3.3 0.6 5.8 <total>
|
This was referenced Jun 2, 2025
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Reverts #119885
llvm-project/llvm/lib/Target/RISCV/RISCVSchedMIPSP8700.td:20:5:
error: Processor does not define resources for WriteFCvtF32ToF16
def MIPSP8700Model : SchedMachineModel {