derek.holloway
7502bf64a4
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73 lines
2.9 KiB
ArmAsm
73 lines
2.9 KiB
ArmAsm
# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
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# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -timeline -timeline-max-iterations=3 -iterations=1500 < %s | FileCheck %s
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# Although both SBB are dependency breaking instructions, there is still an
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# implicit dependency on EFLAGS which limits the ILP. So, the hardware backend
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# can only execute one instruction per cycle.
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sbb %edx, %edx
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sbb %eax, %eax
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# CHECK: Iterations: 1500
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# CHECK-NEXT: Instructions: 3000
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# CHECK-NEXT: Total Cycles: 6003
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# CHECK-NEXT: Total uOps: 6000
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# CHECK: Dispatch Width: 4
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# CHECK-NEXT: uOps Per Cycle: 1.00
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# CHECK-NEXT: IPC: 0.50
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# CHECK-NEXT: Block RThroughput: 1.0
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# CHECK: Instruction Info:
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# CHECK-NEXT: [1]: #uOps
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# CHECK-NEXT: [2]: Latency
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# CHECK-NEXT: [3]: RThroughput
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# CHECK-NEXT: [4]: MayLoad
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# CHECK-NEXT: [5]: MayStore
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# CHECK-NEXT: [6]: HasSideEffects (U)
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# CHECK: [1] [2] [3] [4] [5] [6] Instructions:
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# CHECK-NEXT: 2 2 0.67 sbbl %edx, %edx
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# CHECK-NEXT: 2 2 0.67 sbbl %eax, %eax
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# CHECK: Resources:
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# CHECK-NEXT: [0] - SBDivider
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# CHECK-NEXT: [1] - SBFPDivider
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# CHECK-NEXT: [2] - SBPort0
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# CHECK-NEXT: [3] - SBPort1
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# CHECK-NEXT: [4] - SBPort4
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# CHECK-NEXT: [5] - SBPort5
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# CHECK-NEXT: [6.0] - SBPort23
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# CHECK-NEXT: [6.1] - SBPort23
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# CHECK: Resource pressure per iteration:
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# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1]
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# CHECK-NEXT: - - 1.33 1.33 - 1.33 - -
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# CHECK: Resource pressure by instruction:
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# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1] Instructions:
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# CHECK-NEXT: - - 0.67 0.67 - 0.67 - - sbbl %edx, %edx
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# CHECK-NEXT: - - 0.67 0.67 - 0.67 - - sbbl %eax, %eax
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# CHECK: Timeline view:
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# CHECK-NEXT: 01234
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# CHECK-NEXT: Index 0123456789
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# CHECK: [0,0] DeeER. . . sbbl %edx, %edx
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# CHECK-NEXT: [0,1] D==eeER . . sbbl %eax, %eax
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# CHECK-NEXT: [1,0] .D===eeER . . sbbl %edx, %edx
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# CHECK-NEXT: [1,1] .D=====eeER . sbbl %eax, %eax
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# CHECK-NEXT: [2,0] . D======eeER . sbbl %edx, %edx
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# CHECK-NEXT: [2,1] . D========eeER sbbl %eax, %eax
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# CHECK: Average Wait times (based on the timeline view):
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# CHECK-NEXT: [0]: Executions
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# CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
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# CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
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# CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
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# CHECK: [0] [1] [2] [3]
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# CHECK-NEXT: 0. 3 4.0 0.3 0.0 sbbl %edx, %edx
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# CHECK-NEXT: 1. 3 6.0 0.0 0.0 sbbl %eax, %eax
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# CHECK-NEXT: 6 5.0 0.2 0.0 <total>
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