llvm/test/tools/llvm-mca/X86/BtVer2/stmxcsr-ldmxcsr.s

   1 # NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
   2 # RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=btver2 -timeline -timeline-max-iterations=3 < %s | FileCheck %s
   3
   4 # Code snippet taken from PR48024.
   5
   6 stmxcsr -4(%rsp)
   7 movl    $-24577, %eax    # imm = 0x9FFF
   8 andl    -4(%rsp), %eax
   9 movl    %eax, -8(%rsp)
  10 ldmxcsr -8(%rsp)
  11 retq
  12
  13 # CHECK:      Iterations:        100
  14 # CHECK-NEXT: Instructions:      600
  15 # CHECK-NEXT: Total Cycles:      407
  16 # CHECK-NEXT: Total uOps:        600
  17
  18 # CHECK:      Dispatch Width:    2
  19 # CHECK-NEXT: uOps Per Cycle:    1.47
  20 # CHECK-NEXT: IPC:               1.47
  21 # CHECK-NEXT: Block RThroughput: 3.0
  22
  23 # CHECK:      Instruction Info:
  24 # CHECK-NEXT: [1]: #uOps
  25 # CHECK-NEXT: [2]: Latency
  26 # CHECK-NEXT: [3]: RThroughput
  27 # CHECK-NEXT: [4]: MayLoad
  28 # CHECK-NEXT: [5]: MayStore
  29 # CHECK-NEXT: [6]: HasSideEffects (U)
  30
  31 # CHECK:      [1]    [2]    [3]    [4]    [5]    [6]    Instructions:
  32 # CHECK-NEXT:  1      1     1.00           *      U     stmxcsr -4(%rsp)
  33 # CHECK-NEXT:  1      1     0.50                        movl    $-24577, %eax
  34 # CHECK-NEXT:  1      4     1.00    *                   andl    -4(%rsp), %eax
  35 # CHECK-NEXT:  1      1     1.00           *            movl    %eax, -8(%rsp)
  36 # CHECK-NEXT:  1      3     1.00    *      *      U     ldmxcsr -8(%rsp)
  37 # CHECK-NEXT:  1      4     1.00                  U     retq
  38
  39 # CHECK:      Resources:
  40 # CHECK-NEXT: [0]   - JALU0
  41 # CHECK-NEXT: [1]   - JALU1
  42 # CHECK-NEXT: [2]   - JDiv
  43 # CHECK-NEXT: [3]   - JFPA
  44 # CHECK-NEXT: [4]   - JFPM
  45 # CHECK-NEXT: [5]   - JFPU0
  46 # CHECK-NEXT: [6]   - JFPU1
  47 # CHECK-NEXT: [7]   - JLAGU
  48 # CHECK-NEXT: [8]   - JMul
  49 # CHECK-NEXT: [9]   - JSAGU
  50 # CHECK-NEXT: [10]  - JSTC
  51 # CHECK-NEXT: [11]  - JVALU0
  52 # CHECK-NEXT: [12]  - JVALU1
  53 # CHECK-NEXT: [13]  - JVIMUL
  54
  55 # CHECK:      Resource pressure per iteration:
  56 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   [12]   [13]
  57 # CHECK-NEXT: 1.50   1.50    -      -      -      -      -     3.00    -     2.00    -      -      -      -
  58
  59 # CHECK:      Resource pressure by instruction:
  60 # CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   [12]   [13]   Instructions:
  61 # CHECK-NEXT:  -      -      -      -      -      -      -      -      -     1.00    -      -      -      -     stmxcsr -4(%rsp)
  62 # CHECK-NEXT: 0.50   0.50    -      -      -      -      -      -      -      -      -      -      -      -     movl    $-24577, %eax
  63 # CHECK-NEXT: 0.50   0.50    -      -      -      -      -     1.00    -      -      -      -      -      -     andl    -4(%rsp), %eax
  64 # CHECK-NEXT:  -      -      -      -      -      -      -      -      -     1.00    -      -      -      -     movl    %eax, -8(%rsp)
  65 # CHECK-NEXT:  -      -      -      -      -      -      -     1.00    -      -      -      -      -      -     ldmxcsr -8(%rsp)
  66 # CHECK-NEXT: 0.50   0.50    -      -      -      -      -     1.00    -      -      -      -      -      -     retq
  67
  68 # CHECK:      Timeline view:
  69 # CHECK-NEXT:                     012345678
  70 # CHECK-NEXT: Index     0123456789
  71
  72 # CHECK:      [0,0]     DeER .    .    .  .   stmxcsr   -4(%rsp)
  73 # CHECK-NEXT: [0,1]     DeER .    .    .  .   movl      $-24577, %eax
  74 # CHECK-NEXT: [0,2]     .DeeeeER  .    .  .   andl      -4(%rsp), %eax
  75 # CHECK-NEXT: [0,3]     .D====eER .    .  .   movl      %eax, -8(%rsp)
  76 # CHECK-NEXT: [0,4]     . D===eeeER    .  .   ldmxcsr   -8(%rsp)
  77 # CHECK-NEXT: [0,5]     . DeeeeE--R    .  .   retq
  78 # CHECK-NEXT: [1,0]     .  D=====eER   .  .   stmxcsr   -4(%rsp)
  79 # CHECK-NEXT: [1,1]     .  DeE-----R   .  .   movl      $-24577, %eax
  80 # CHECK-NEXT: [1,2]     .   DeeeeE--R  .  .   andl      -4(%rsp), %eax
  81 # CHECK-NEXT: [1,3]     .   D=====eER  .  .   movl      %eax, -8(%rsp)
  82 # CHECK-NEXT: [1,4]     .    D====eeeER.  .   ldmxcsr   -8(%rsp)
  83 # CHECK-NEXT: [1,5]     .    D=eeeeE--R.  .   retq
  84 # CHECK-NEXT: [2,0]     .    .D======eER  .   stmxcsr   -4(%rsp)
  85 # CHECK-NEXT: [2,1]     .    .DeE------R  .   movl      $-24577, %eax
  86 # CHECK-NEXT: [2,2]     .    . DeeeeE---R .   andl      -4(%rsp), %eax
  87 # CHECK-NEXT: [2,3]     .    . D======eER .   movl      %eax, -8(%rsp)
  88 # CHECK-NEXT: [2,4]     .    .  D=====eeeER   ldmxcsr   -8(%rsp)
  89 # CHECK-NEXT: [2,5]     .    .  DeeeeE----R   retq
  90
  91 # CHECK:      Average Wait times (based on the timeline view):
  92 # CHECK-NEXT: [0]: Executions
  93 # CHECK-NEXT: [1]: Average time spent waiting in a scheduler's queue
  94 # CHECK-NEXT: [2]: Average time spent waiting in a scheduler's queue while ready
  95 # CHECK-NEXT: [3]: Average time elapsed from WB until retire stage
  96
  97 # CHECK:            [0]    [1]    [2]    [3]
  98 # CHECK-NEXT: 0.     3     4.7    0.3    0.0       stmxcsr      -4(%rsp)
  99 # CHECK-NEXT: 1.     3     1.0    1.0    3.7       movl $-24577, %eax
 100 # CHECK-NEXT: 2.     3     1.0    1.0    1.7       andl -4(%rsp), %eax
 101 # CHECK-NEXT: 3.     3     6.0    0.7    0.0       movl %eax, -8(%rsp)
 102 # CHECK-NEXT: 4.     3     5.0    0.0    0.0       ldmxcsr      -8(%rsp)
 103 # CHECK-NEXT: 5.     3     1.3    1.3    2.7       retq
 104 # CHECK-NEXT:        3     3.2    0.7    1.3       <total>