resources-cmpxchg.s
2.05 KB
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
# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=znver1 -instruction-tables < %s | FileCheck %s
cmpxchg8b (%rax)
cmpxchg16b (%rax)
lock cmpxchg8b (%rax)
lock cmpxchg16b (%rax)
# 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: 18 1 0.50 * * cmpxchg8b (%rax)
# CHECK-NEXT: 1 100 0.25 * * cmpxchg16b (%rax)
# CHECK-NEXT: 18 1 0.50 * * lock cmpxchg8b (%rax)
# CHECK-NEXT: 1 100 0.25 * * lock cmpxchg16b (%rax)
# CHECK: Resources:
# CHECK-NEXT: [0] - ZnAGU0
# CHECK-NEXT: [1] - ZnAGU1
# CHECK-NEXT: [2] - ZnALU0
# CHECK-NEXT: [3] - ZnALU1
# CHECK-NEXT: [4] - ZnALU2
# CHECK-NEXT: [5] - ZnALU3
# CHECK-NEXT: [6] - ZnDivider
# CHECK-NEXT: [7] - ZnFPU0
# CHECK-NEXT: [8] - ZnFPU1
# CHECK-NEXT: [9] - ZnFPU2
# CHECK-NEXT: [10] - ZnFPU3
# CHECK-NEXT: [11] - ZnMultiplier
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11]
# CHECK-NEXT: 1.00 1.00 0.50 0.50 0.50 0.50 - - - - - -
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] Instructions:
# CHECK-NEXT: 0.50 0.50 0.25 0.25 0.25 0.25 - - - - - - cmpxchg8b (%rax)
# CHECK-NEXT: - - - - - - - - - - - - cmpxchg16b (%rax)
# CHECK-NEXT: 0.50 0.50 0.25 0.25 0.25 0.25 - - - - - - lock cmpxchg8b (%rax)
# CHECK-NEXT: - - - - - - - - - - - - lock cmpxchg16b (%rax)