# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=bdver2 -iterations=100 -resource-pressure=false -timeline -timeline-max-iterations=2 < %s | FileCheck %s # movss/movsd explicitly zeroes out the high bits of xmm, # so addps can start immediately, without waiting for sqrtss to finish. # AMD SOG for the AMD family 15h processors, 5.5 Partial-Register Writes # LLVM-MCA-BEGIN sqrtss %xmm0, %xmm0 movss (%eax), %xmm0 addps %xmm0, %xmm0 # LLVM-MCA-END # LLVM-MCA-BEGIN sqrtsd %xmm0, %xmm0 movsd (%eax), %xmm0 addps %xmm0, %xmm0 # LLVM-MCA-END # CHECK: [0] Code Region # CHECK: Iterations: 100 # CHECK-NEXT: Instructions: 300 # CHECK-NEXT: Total Cycles: 655 # CHECK-NEXT: Total uOps: 300 # CHECK: Dispatch Width: 4 # CHECK-NEXT: uOps Per Cycle: 0.46 # CHECK-NEXT: IPC: 0.46 # CHECK-NEXT: Block RThroughput: 6.5 # 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 9 4.50 sqrtss %xmm0, %xmm0 # CHECK-NEXT: 1 5 1.50 * movss (%eax), %xmm0 # CHECK-NEXT: 1 5 1.00 addps %xmm0, %xmm0 # CHECK: Timeline view: # CHECK-NEXT: 0123456789 # CHECK-NEXT: Index 0123456789 012 # CHECK: [0,0] D=eeeeeeeeeER . . . sqrtss %xmm0, %xmm0 # CHECK-NEXT: [0,1] DeeeeeE-----R . . . movss (%eax), %xmm0 # CHECK-NEXT: [0,2] D======eeeeeER . . . addps %xmm0, %xmm0 # CHECK-NEXT: [1,0] D===========eeeeeeeeeER sqrtss %xmm0, %xmm0 # CHECK-NEXT: [1,1] .D==eeeeeE------------R movss (%eax), %xmm0 # CHECK-NEXT: [1,2] .D=========eeeeeE-----R addps %xmm0, %xmm0 # 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 7.0 1.0 0.0 sqrtss %xmm0, %xmm0 # CHECK-NEXT: 1. 2 2.0 2.0 8.5 movss (%eax), %xmm0 # CHECK-NEXT: 2. 2 8.5 1.5 2.5 addps %xmm0, %xmm0 # CHECK-NEXT: 2 5.8 1.5 3.7 # CHECK: [1] Code Region # CHECK: Iterations: 100 # CHECK-NEXT: Instructions: 300 # CHECK-NEXT: Total Cycles: 655 # CHECK-NEXT: Total uOps: 300 # CHECK: Dispatch Width: 4 # CHECK-NEXT: uOps Per Cycle: 0.46 # CHECK-NEXT: IPC: 0.46 # CHECK-NEXT: Block RThroughput: 6.5 # 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 9 4.50 sqrtsd %xmm0, %xmm0 # CHECK-NEXT: 1 5 1.50 * movsd (%eax), %xmm0 # CHECK-NEXT: 1 5 1.00 addps %xmm0, %xmm0 # CHECK: Timeline view: # CHECK-NEXT: 0123456789 # CHECK-NEXT: Index 0123456789 012 # CHECK: [0,0] D=eeeeeeeeeER . . . sqrtsd %xmm0, %xmm0 # CHECK-NEXT: [0,1] DeeeeeE-----R . . . movsd (%eax), %xmm0 # CHECK-NEXT: [0,2] D======eeeeeER . . . addps %xmm0, %xmm0 # CHECK-NEXT: [1,0] D===========eeeeeeeeeER sqrtsd %xmm0, %xmm0 # CHECK-NEXT: [1,1] .D==eeeeeE------------R movsd (%eax), %xmm0 # CHECK-NEXT: [1,2] .D=========eeeeeE-----R addps %xmm0, %xmm0 # 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 7.0 1.0 0.0 sqrtsd %xmm0, %xmm0 # CHECK-NEXT: 1. 2 2.0 2.0 8.5 movsd (%eax), %xmm0 # CHECK-NEXT: 2. 2 8.5 1.5 2.5 addps %xmm0, %xmm0 # CHECK-NEXT: 2 5.8 1.5 3.7