resources-cmpxchg.s
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# NOTE: Assertions have been autogenerated by utils/update_mca_test_checks.py
# RUN: llvm-mca -mtriple=x86_64-unknown-unknown -mcpu=x86-64 -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: 3 6 1.00 * * cmpxchg8b (%rax)
# CHECK-NEXT: 3 6 1.00 * * cmpxchg16b (%rax)
# CHECK-NEXT: 3 6 1.00 * * lock cmpxchg8b (%rax)
# CHECK-NEXT: 3 6 1.00 * * lock cmpxchg16b (%rax)
# CHECK: Resources:
# CHECK-NEXT: [0] - SBDivider
# CHECK-NEXT: [1] - SBFPDivider
# CHECK-NEXT: [2] - SBPort0
# CHECK-NEXT: [3] - SBPort1
# CHECK-NEXT: [4] - SBPort4
# CHECK-NEXT: [5] - SBPort5
# CHECK-NEXT: [6.0] - SBPort23
# CHECK-NEXT: [6.1] - SBPort23
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1]
# CHECK-NEXT: - - 1.33 1.33 4.00 1.33 4.00 4.00
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6.0] [6.1] Instructions:
# CHECK-NEXT: - - 0.33 0.33 1.00 0.33 1.00 1.00 cmpxchg8b (%rax)
# CHECK-NEXT: - - 0.33 0.33 1.00 0.33 1.00 1.00 cmpxchg16b (%rax)
# CHECK-NEXT: - - 0.33 0.33 1.00 0.33 1.00 1.00 lock cmpxchg8b (%rax)
# CHECK-NEXT: - - 0.33 0.33 1.00 0.33 1.00 1.00 lock cmpxchg16b (%rax)