llvm/test/tools/llvm-mca/X86/SkylakeClient/mulx-same-regs.s

   1 # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
   2 # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=skylake -timeline -iterations=2 < %s | FileCheck %s
   3
   4 # PR51495: If the two destination registers are the same, the destination will
   5 # contain teh high half of the multiplication result.
   6
   7 # LLVM-MCA-BEGIN
   8 mulxl %eax, %eax, %eax
   9 # LLVM-MCA-END
  10
  11 # LLVM-MCA-BEGIN
  12 mulxq %rax, %rax, %rax
  13 # LLVM-MCA-END
  14
  15 # CHECK:      [0] Code Region
  16
  17 # CHECK:      Iterations:        2
  18 # CHECK-NEXT: Instructions:      2
  19 # CHECK-NEXT: Total Cycles:      11
  20 # CHECK-NEXT: Total uOps:        8
  21
  22 # CHECK:      Dispatch Width:    6
  23 # CHECK-NEXT: uOps Per Cycle:    0.73
  24 # CHECK-NEXT: IPC:               0.18
  25 # CHECK-NEXT: Block RThroughput: 1.0
  26
  27 # CHECK:      Instruction Info:
  28 # CHECK-NEXT: [1]: #uOps
  29 # CHECK-NEXT: [2]: Latency
  30 # CHECK-NEXT: [3]: RThroughput
  31 # CHECK-NEXT: [4]: MayLoad
  32 # CHECK-NEXT: [5]: MayStore
  33 # CHECK-NEXT: [6]: HasSideEffects (U)
  34
  35 # CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
  36 # CHECK-NEXT:  4      4     1.00                        mulxl   %eax, %eax, %eax
  37
  38 # CHECK:      Resources:
  39 # CHECK-NEXT: [0]   - SKLDivider
  40 # CHECK-NEXT: [1]   - SKLFPDivider
  41 # CHECK-NEXT: [2]   - SKLPort0
  42 # CHECK-NEXT: [3]   - SKLPort1
  43 # CHECK-NEXT: [4]   - SKLPort2
  44 # CHECK-NEXT: [5]   - SKLPort3
  45 # CHECK-NEXT: [6]   - SKLPort4
  46 # CHECK-NEXT: [7]   - SKLPort5
  47 # CHECK-NEXT: [8]   - SKLPort6
  48 # CHECK-NEXT: [9]   - SKLPort7
  49
  50 # CHECK:      Resource pressure per iteration:
  51 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]
  52 # CHECK-NEXT:  -      -     0.50   1.00    -      -      -     0.50   1.00    -
  53
  54 # CHECK:      Resource pressure by instruction:
  55 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    Instructions:
  56 # CHECK-NEXT:  -      -     0.50   1.00    -      -      -     0.50   1.00    -     mulxl       %eax, %eax, %eax
  57
  58 # CHECK:      Timeline view:
  59 # CHECK-NEXT:                     0
  60 # CHECK-NEXT: Index     0123456789
  61
  62 # CHECK:      [0,0]     DeeeeER   .   mulxl     %eax, %eax, %eax
  63 # CHECK-NEXT: [1,0]     .D===eeeeER   mulxl     %eax, %eax, %eax
  64
  65 # CHECK:      Average Wait times (based on the timeline view):
  66 # CHECK-NEXT: [0]: Executions
  67 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
  68 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
  69 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
  70
  71 # CHECK:            [0]    [1]    [2]    [3]
  72 # CHECK-NEXT: 0.     2     2.5    0.5    0.0       mulxl        %eax, %eax, %eax
  73
  74 # CHECK:      [1] Code Region
  75
  76 # CHECK:      Iterations:        2
  77 # CHECK-NEXT: Instructions:      2
  78 # CHECK-NEXT: Total Cycles:      11
  79 # CHECK-NEXT: Total uOps:        6
  80
  81 # CHECK:      Dispatch Width:    6
  82 # CHECK-NEXT: uOps Per Cycle:    0.55
  83 # CHECK-NEXT: IPC:               0.18
  84 # CHECK-NEXT: Block RThroughput: 1.0
  85
  86 # CHECK:      Instruction Info:
  87 # CHECK-NEXT: [1]: #uOps
  88 # CHECK-NEXT: [2]: Latency
  89 # CHECK-NEXT: [3]: RThroughput
  90 # CHECK-NEXT: [4]: MayLoad
  91 # CHECK-NEXT: [5]: MayStore
  92 # CHECK-NEXT: [6]: HasSideEffects (U)
  93
  94 # CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
  95 # CHECK-NEXT:  3      4     1.00                        mulxq   %rax, %rax, %rax
  96
  97 # CHECK:      Resources:
  98 # CHECK-NEXT: [0]   - SKLDivider
  99 # CHECK-NEXT: [1]   - SKLFPDivider
 100 # CHECK-NEXT: [2]   - SKLPort0
 101 # CHECK-NEXT: [3]   - SKLPort1
 102 # CHECK-NEXT: [4]   - SKLPort2
 103 # CHECK-NEXT: [5]   - SKLPort3
 104 # CHECK-NEXT: [6]   - SKLPort4
 105 # CHECK-NEXT: [7]   - SKLPort5
 106 # CHECK-NEXT: [8]   - SKLPort6
 107 # CHECK-NEXT: [9]   - SKLPort7
 108
 109 # CHECK:      Resource pressure per iteration:
 110 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]
 111 # CHECK-NEXT:  -      -      -     1.00    -      -      -     1.00    -      -
 112
 113 # CHECK:      Resource pressure by instruction:
 114 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    Instructions:
 115 # CHECK-NEXT:  -      -      -     1.00    -      -      -     1.00    -      -     mulxq       %rax, %rax, %rax
 116
 117 # CHECK:      Timeline view:
 118 # CHECK-NEXT:                     0
 119 # CHECK-NEXT: Index     0123456789
 120
 121 # CHECK:      [0,0]     DeeeeER   .   mulxq     %rax, %rax, %rax
 122 # CHECK-NEXT: [1,0]     D====eeeeER   mulxq     %rax, %rax, %rax
 123
 124 # CHECK:      Average Wait times (based on the timeline view):
 125 # CHECK-NEXT: [0]: Executions
 126 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
 127 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
 128 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
 129
 130 # CHECK:            [0]    [1]    [2]    [3]
 131 # CHECK-NEXT: 0.     2     3.0    0.5    0.0       mulxq        %rax, %rax, %rax