cmpxchg16b.s
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# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=haswell -timeline -timeline-max-iterations=3 -dispatch-stats < %s | FileCheck %s
cmpxchg16b (%rsi)
# CHECK: Iterations: 100
# CHECK-NEXT: Instructions: 100
# CHECK-NEXT: Total Cycles: 2203
# CHECK-NEXT: Total uOps: 1900
# CHECK: Dispatch Width: 4
# CHECK-NEXT: uOps Per Cycle: 0.86
# CHECK-NEXT: IPC: 0.05
# CHECK-NEXT: Block RThroughput: 4.8
# 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: 19 22 4.00 * * cmpxchg16b (%rsi)
# CHECK: Dynamic Dispatch Stall Cycles:
# CHECK-NEXT: RAT - Register unavailable: 0
# CHECK-NEXT: RCU - Retire tokens unavailable: 1487 (67.5%)
# CHECK-NEXT: SCHEDQ - Scheduler full: 0
# CHECK-NEXT: LQ - Load queue full: 0
# CHECK-NEXT: SQ - Store queue full: 0
# CHECK-NEXT: GROUP - Static restrictions on the dispatch group: 0
# CHECK: Dispatch Logic - number of cycles where we saw N micro opcodes dispatched:
# CHECK-NEXT: [# dispatched], [# cycles]
# CHECK-NEXT: 0, 1703 (77.3%)
# CHECK-NEXT: 3, 100 (4.5%)
# CHECK-NEXT: 4, 400 (18.2%)
# CHECK: Resources:
# CHECK-NEXT: [0] - HWDivider
# CHECK-NEXT: [1] - HWFPDivider
# CHECK-NEXT: [2] - HWPort0
# CHECK-NEXT: [3] - HWPort1
# CHECK-NEXT: [4] - HWPort2
# CHECK-NEXT: [5] - HWPort3
# CHECK-NEXT: [6] - HWPort4
# CHECK-NEXT: [7] - HWPort5
# CHECK-NEXT: [8] - HWPort6
# CHECK-NEXT: [9] - HWPort7
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
# CHECK-NEXT: - - 2.00 6.00 0.66 0.67 1.00 4.00 4.00 0.67
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
# CHECK-NEXT: - - 2.00 6.00 0.66 0.67 1.00 4.00 4.00 0.67 cmpxchg16b (%rsi)
# CHECK: Timeline view:
# CHECK-NEXT: 0123456789 0123456789 0123456789
# CHECK-NEXT: Index 0123456789 0123456789 0123456789 012345678
# CHECK: [0,0] DeeeeeeeeeeeeeeeeeeeeeeER. . . . . . . . . . cmpxchg16b (%rsi)
# CHECK-NEXT: [1,0] . D=================eeeeeeeeeeeeeeeeeeeeeeER . . . . . cmpxchg16b (%rsi)
# CHECK-NEXT: [2,0] . . D==================================eeeeeeeeeeeeeeeeeeeeeeER cmpxchg16b (%rsi)
# 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. 3 18.0 0.3 0.0 cmpxchg16b (%rsi)