register-files-3.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=btver2 -register-file-size=5 -iterations=2 -dispatch-stats -register-file-stats -timeline < %s | FileCheck %s
idiv %eax
# CHECK: Iterations: 2
# CHECK-NEXT: Instructions: 2
# CHECK-NEXT: Total Cycles: 55
# CHECK-NEXT: Total uOps: 4
# CHECK: Dispatch Width: 2
# CHECK-NEXT: uOps Per Cycle: 0.07
# CHECK-NEXT: IPC: 0.04
# CHECK-NEXT: Block RThroughput: 25.0
# 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: 2 25 25.00 U idivl %eax
# CHECK: Dynamic Dispatch Stall Cycles:
# CHECK-NEXT: RAT - Register unavailable: 26 (47.3%)
# CHECK-NEXT: RCU - Retire tokens unavailable: 0
# 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, 53 (96.4%)
# CHECK-NEXT: 2, 2 (3.6%)
# CHECK: Register File statistics:
# CHECK-NEXT: Total number of mappings created: 6
# CHECK-NEXT: Max number of mappings used: 3
# CHECK: * Register File #1 -- JFpuPRF:
# CHECK-NEXT: Number of physical registers: 72
# CHECK-NEXT: Total number of mappings created: 0
# CHECK-NEXT: Max number of mappings used: 0
# CHECK: * Register File #2 -- JIntegerPRF:
# CHECK-NEXT: Number of physical registers: 64
# CHECK-NEXT: Total number of mappings created: 6
# CHECK-NEXT: Max number of mappings used: 3
# CHECK: Resources:
# CHECK-NEXT: [0] - JALU0
# CHECK-NEXT: [1] - JALU1
# CHECK-NEXT: [2] - JDiv
# CHECK-NEXT: [3] - JFPA
# CHECK-NEXT: [4] - JFPM
# CHECK-NEXT: [5] - JFPU0
# CHECK-NEXT: [6] - JFPU1
# CHECK-NEXT: [7] - JLAGU
# CHECK-NEXT: [8] - JMul
# CHECK-NEXT: [9] - JSAGU
# CHECK-NEXT: [10] - JSTC
# CHECK-NEXT: [11] - JVALU0
# CHECK-NEXT: [12] - JVALU1
# CHECK-NEXT: [13] - JVIMUL
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13]
# CHECK-NEXT: - 1.00 25.00 - - - - - - - - - - -
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] Instructions:
# CHECK-NEXT: - 1.00 25.00 - - - - - - - - - - - idivl %eax
# CHECK: Timeline view:
# CHECK-NEXT: 0123456789 0123456789 01234
# CHECK-NEXT: Index 0123456789 0123456789 0123456789
# CHECK: [0,0] DeeeeeeeeeeeeeeeeeeeeeeeeeER . . . . . . idivl %eax
# CHECK-NEXT: [1,0] . . . . . . DeeeeeeeeeeeeeeeeeeeeeeeeeER idivl %eax
# 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. 2 1.0 1.0 0.0 idivl %eax