# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -iterations=100 -resource-pressure=false -timeline -timeline-max-iterations=3 < %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 10h and 12h processors, 4.8 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: 1403 # CHECK-NEXT: Total uOps: 300 # CHECK: Dispatch Width: 4 # CHECK-NEXT: uOps Per Cycle: 0.21 # CHECK-NEXT: IPC: 0.21 # CHECK-NEXT: Block RThroughput: 14.0 # 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: 1 14 14.00 sqrtss %xmm0, %xmm0 # CHECK-NEXT: 1 6 0.50 * movss (%eax), %xmm0 # CHECK-NEXT: 1 3 1.00 addps %xmm0, %xmm0 # CHECK: Timeline view: # CHECK-NEXT: 0123456789 0123456789 # CHECK-NEXT: Index 0123456789 0123456789 01234 # CHECK: [0,0] DeeeeeeeeeeeeeeER . . . . . . sqrtss %xmm0, %xmm0 # CHECK-NEXT: [0,1] DeeeeeeE--------R . . . . . . movss (%eax), %xmm0 # CHECK-NEXT: [0,2] D======eeeE-----R . . . . . . addps %xmm0, %xmm0 # CHECK-NEXT: [1,0] D==============eeeeeeeeeeeeeeER . . . sqrtss %xmm0, %xmm0 # CHECK-NEXT: [1,1] .DeeeeeeE---------------------R . . . movss (%eax), %xmm0 # CHECK-NEXT: [1,2] .D======eeeE------------------R . . . addps %xmm0, %xmm0 # CHECK-NEXT: [2,0] .D===========================eeeeeeeeeeeeeeER sqrtss %xmm0, %xmm0 # CHECK-NEXT: [2,1] .DeeeeeeE-----------------------------------R movss (%eax), %xmm0 # CHECK-NEXT: [2,2] . D======eeeE-------------------------------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. 3 14.7 8.0 0.0 sqrtss %xmm0, %xmm0 # CHECK-NEXT: 1. 3 1.0 1.0 21.3 movss (%eax), %xmm0 # CHECK-NEXT: 2. 3 7.0 0.3 18.0 addps %xmm0, %xmm0 # CHECK-NEXT: 3 7.6 3.1 13.1 # CHECK: [1] Code Region # CHECK: Iterations: 100 # CHECK-NEXT: Instructions: 300 # CHECK-NEXT: Total Cycles: 2103 # CHECK-NEXT: Total uOps: 300 # CHECK: Dispatch Width: 4 # CHECK-NEXT: uOps Per Cycle: 0.14 # CHECK-NEXT: IPC: 0.14 # CHECK-NEXT: Block RThroughput: 21.0 # 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: 1 21 21.00 sqrtsd %xmm0, %xmm0 # CHECK-NEXT: 1 6 0.50 * movsd (%eax), %xmm0 # CHECK-NEXT: 1 3 1.00 addps %xmm0, %xmm0 # CHECK: Timeline view: # CHECK-NEXT: 0123456789 0123456789 0123456789 # CHECK-NEXT: Index 0123456789 0123456789 0123456789 012345 # CHECK: [0,0] DeeeeeeeeeeeeeeeeeeeeeER . . . . . . . . . sqrtsd %xmm0, %xmm0 # CHECK-NEXT: [0,1] DeeeeeeE---------------R . . . . . . . . . movsd (%eax), %xmm0 # CHECK-NEXT: [0,2] D======eeeE------------R . . . . . . . . . addps %xmm0, %xmm0 # CHECK-NEXT: [1,0] D=====================eeeeeeeeeeeeeeeeeeeeeER. . . . . sqrtsd %xmm0, %xmm0 # CHECK-NEXT: [1,1] .DeeeeeeE-----------------------------------R. . . . . movsd (%eax), %xmm0 # CHECK-NEXT: [1,2] .D======eeeE--------------------------------R. . . . . addps %xmm0, %xmm0 # CHECK-NEXT: [2,0] .D=========================================eeeeeeeeeeeeeeeeeeeeeER sqrtsd %xmm0, %xmm0 # CHECK-NEXT: [2,1] .DeeeeeeE--------------------------------------------------------R movsd (%eax), %xmm0 # CHECK-NEXT: [2,2] . D======eeeE----------------------------------------------------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. 3 21.7 15.0 0.0 sqrtsd %xmm0, %xmm0 # CHECK-NEXT: 1. 3 1.0 1.0 35.3 movsd (%eax), %xmm0 # CHECK-NEXT: 2. 3 7.0 0.3 32.0 addps %xmm0, %xmm0 # CHECK-NEXT: 3 9.9 5.4 22.4