File: memcpy-ldm-stm.s

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16.1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,388 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (65 lines) | stat: -rw-r--r-- 2,943 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
# RUN: llvm-mca -mtriple=armv7-unknown-unknown -mcpu=swift -iterations=300 -timeline -timeline-max-iterations=3 < %s | FileCheck %s

  ldm	r2!, {r3, r4, r5, r6, r12, lr}
  stm	r0!, {r3, r4, r5, r6, r12, lr}

# CHECK:      Iterations:        300
# CHECK-NEXT: Instructions:      600
# CHECK-NEXT: Total Cycles:      1295
# CHECK-NEXT: Total uOps:        2400

# CHECK:      Dispatch Width:    3
# CHECK-NEXT: uOps Per Cycle:    1.85
# CHECK-NEXT: IPC:               0.46
# CHECK-NEXT: Block RThroughput: 4.0

# 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:  3      18    2.00    *                   ldm	r2!, {r3, r4, r5, r6, r12, lr}
# CHECK-NEXT:  5      1     2.00           *            stm	r0!, {r3, r4, r5, r6, r12, lr}

# CHECK:      Resources:
# CHECK-NEXT: [0]   - SwiftUnitDiv
# CHECK-NEXT: [1]   - SwiftUnitP0
# CHECK-NEXT: [2]   - SwiftUnitP1
# CHECK-NEXT: [3]   - SwiftUnitP2
# CHECK-NEXT: [4.0] - SwiftUnitP01
# CHECK-NEXT: [4.1] - SwiftUnitP01

# CHECK:      Resource pressure per iteration:
# CHECK-NEXT: [0]    [1]    [2]    [3]    [4.0]  [4.1]
# CHECK-NEXT:  -      -      -     4.00   2.46   2.54

# CHECK:      Resource pressure by instruction:
# CHECK-NEXT: [0]    [1]    [2]    [3]    [4.0]  [4.1]  Instructions:
# CHECK-NEXT:  -      -      -     2.00   1.09   0.91   ldm	r2!, {r3, r4, r5, r6, r12, lr}
# CHECK-NEXT:  -      -      -     2.00   1.37   1.63   stm	r0!, {r3, r4, r5, r6, r12, lr}

# CHECK:      Timeline view:
# CHECK-NEXT:                     0123456789
# CHECK-NEXT: Index     0123456789          012345678

# CHECK:      [0,0]     DeeeeeeeeeeeeeeeeeeER    .  .   ldm	r2!, {r3, r4, r5, r6, r12, lr}
# CHECK-NEXT: [0,1]     .D=================eER   .  .   stm	r0!, {r3, r4, r5, r6, r12, lr}
# CHECK-NEXT: [1,0]     .  DeeeeeeeeeeeeeeeeeeER .  .   ldm	r2!, {r3, r4, r5, r6, r12, lr}
# CHECK-NEXT: [1,1]     .   D=================eER.  .   stm	r0!, {r3, r4, r5, r6, r12, lr}
# CHECK-NEXT: [2,0]     .    .DeeeeeeeeeeeeeeeeeeER .   ldm	r2!, {r3, r4, r5, r6, r12, lr}
# CHECK-NEXT: [2,1]     .    . D==================eER   stm	r0!, {r3, r4, r5, r6, r12, lr}

# 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     1.0    1.0    0.0       ldm	r2!, {r3, r4, r5, r6, r12, lr}
# CHECK-NEXT: 1.     3     18.3   0.3    0.0       stm	r0!, {r3, r4, r5, r6, r12, lr}