68 lines
2.5 KiB
ArmAsm
68 lines
2.5 KiB
ArmAsm
|
# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
|
||
|
|
# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -iterations=1500 -timeline -timeline-max-iterations=3 < %s | FileCheck %s
|
||
|
|
|
||
|
|
# perf stat reports a throughput of 1.00 IPC for this code snippet.
|
||
|
|
|
||
|
|
lzcnt %ax, %bx ## partial register stall.
|
||
|
|
|
||
|
|
# CHECK: Iterations: 1500
|
||
|
|
# CHECK-NEXT: Instructions: 1500
|
||
|
|
# CHECK-NEXT: Total Cycles: 1503
|
||
|
|
# CHECK-NEXT: Total uOps: 1500
|
||
|
|
|
||
|
|
# CHECK: Dispatch Width: 2
|
||
|
|
# CHECK-NEXT: uOps Per Cycle: 1.00
|
||
|
|
# CHECK-NEXT: IPC: 1.00
|
||
|
|
# CHECK-NEXT: Block RThroughput: 0.5
|
||
|
|
|
||
|
|
# 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 1 0.50 lzcntw %ax, %bx
|
||
|
|
|
||
|
|
# 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: 0.50 0.50 - - - - - - - - - - - -
|
||
|
|
|
||
|
|
# CHECK: Resource pressure by instruction:
|
||
|
|
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] [13] Instructions:
|
||
|
|
# CHECK-NEXT: 0.50 0.50 - - - - - - - - - - - - lzcntw %ax, %bx
|
||
|
|
|
||
|
|
# CHECK: Timeline view:
|
||
|
|
# CHECK-NEXT: Index 012345
|
||
|
|
|
||
|
|
# CHECK: [0,0] DeER . lzcntw %ax, %bx
|
||
|
|
# CHECK-NEXT: [1,0] D=eER. lzcntw %ax, %bx
|
||
|
|
# CHECK-NEXT: [2,0] .D=eER lzcntw %ax, %bx
|
||
|
|
|
||
|
|
# 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 1.7 0.3 0.0 lzcntw %ax, %bx
|