reference, declarationdefinition
definition → references, declarations, derived classes, virtual overrides
reference to multiple definitions → definitions
unreferenced
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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=btver2 -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     11    1.50    *      *            cmpxchg8b	(%rax)
# CHECK-NEXT:  28     32    3.00    *      *            cmpxchg16b	(%rax)
# CHECK-NEXT:  18     19    19.00   *      *            lock		cmpxchg8b	(%rax)
# CHECK-NEXT:  28     38    38.00   *      *            lock		cmpxchg16b	(%rax)

# CHECK:      Resources:
# CHECK-NEXT: [0]   - JALU0
# CHECK-NEXT: [1]   - JALU1
# CHECK-NEXT: [2]   - JDiv
# CHECK-NEXT: [3]   - JFPA
# CHECK-NEXT: [4]   - JFPM
# CHECK-NEXT: [5]   - JFPU0
# CHECK-NEXT: [6]   - JFPU1
# CHECK-NEXT: [7]   - JLAGU
# CHECK-NEXT: [8]   - JMul
# CHECK-NEXT: [9]   - JSAGU
# CHECK-NEXT: [10]  - JSTC
# CHECK-NEXT: [11]  - JVALU0
# CHECK-NEXT: [12]  - JVALU1
# CHECK-NEXT: [13]  - JVIMUL

# CHECK:      Resource pressure per iteration:
# CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   [12]   [13]
# CHECK-NEXT: 9.00   9.00    -      -      -      -      -     59.00   -     59.00   -      -      -      -

# CHECK:      Resource pressure by instruction:
# CHECK-NEXT: [0]    [1]    [2]    [3]    [4]    [5]    [6]    [7]    [8]    [9]    [10]   [11]   [12]   [13]   Instructions:
# CHECK-NEXT: 1.50   1.50    -      -      -      -      -     1.00    -     1.00    -      -      -      -     cmpxchg8b	(%rax)
# CHECK-NEXT: 3.00   3.00    -      -      -      -      -     1.00    -     1.00    -      -      -      -     cmpxchg16b	(%rax)
# CHECK-NEXT: 1.50   1.50    -      -      -      -      -     19.00   -     19.00   -      -      -      -     lock		cmpxchg8b	(%rax)
# CHECK-NEXT: 3.00   3.00    -      -      -      -      -     38.00   -     38.00   -      -      -      -     lock		cmpxchg16b	(%rax)