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=slm -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: 2 4 2.00 * * cmpxchg8b (%rax)
# CHECK-NEXT: 2 4 2.00 * * cmpxchg16b (%rax)
# CHECK-NEXT: 2 4 2.00 * * lock cmpxchg8b (%rax)
# CHECK-NEXT: 2 4 2.00 * * lock cmpxchg16b (%rax)
# CHECK: Resources:
# CHECK-NEXT: [0] - SLMDivider
# CHECK-NEXT: [1] - SLMFPDivider
# CHECK-NEXT: [2] - SLMFPMultiplier
# CHECK-NEXT: [3] - SLM_FPC_RSV0
# CHECK-NEXT: [4] - SLM_FPC_RSV1
# CHECK-NEXT: [5] - SLM_IEC_RSV0
# CHECK-NEXT: [6] - SLM_IEC_RSV1
# CHECK-NEXT: [7] - SLM_MEC_RSV
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7]
# CHECK-NEXT: - - - - - 2.00 2.00 8.00
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] Instructions:
# CHECK-NEXT: - - - - - 0.50 0.50 2.00 cmpxchg8b (%rax)
# CHECK-NEXT: - - - - - 0.50 0.50 2.00 cmpxchg16b (%rax)
# CHECK-NEXT: - - - - - 0.50 0.50 2.00 lock cmpxchg8b (%rax)
# CHECK-NEXT: - - - - - 0.50 0.50 2.00 lock cmpxchg16b (%rax)