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
|
# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=skylake-avx512 -instruction-tables < %s | FileCheck %s
cmpxchg8b (%rax)
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: 14 16 2.75 * * cmpxchg8b (%rax)
# CHECK-NEXT: 19 23 4.00 * * cmpxchg16b (%rax)
# CHECK: Resources:
# CHECK-NEXT: [0] - SKXDivider
# CHECK-NEXT: [1] - SKXFPDivider
# CHECK-NEXT: [2] - SKXPort0
# CHECK-NEXT: [3] - SKXPort1
# CHECK-NEXT: [4] - SKXPort2
# CHECK-NEXT: [5] - SKXPort3
# CHECK-NEXT: [6] - SKXPort4
# CHECK-NEXT: [7] - SKXPort5
# CHECK-NEXT: [8] - SKXPort6
# CHECK-NEXT: [9] - SKXPort7
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9]
# CHECK-NEXT: - - 8.75 3.75 1.67 1.67 2.00 7.75 6.75 0.67
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] Instructions:
# CHECK-NEXT: - - 3.25 2.25 0.83 0.83 1.00 2.25 3.25 0.33 cmpxchg8b (%rax)
# CHECK-NEXT: - - 5.50 1.50 0.83 0.83 1.00 5.50 3.50 0.33 cmpxchg16b (%rax)
|
