resources-lzcnt.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=znver2 -instruction-tables < %s | FileCheck %s
lzcntw %cx, %cx
lzcntw (%rax), %cx
lzcntl %eax, %ecx
lzcntl (%rax), %ecx
lzcntq %rax, %rcx
lzcntq (%rax), %rcx
# 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: 1 1 0.25 lzcntw %cx, %cx
# CHECK-NEXT: 2 5 0.33 * lzcntw (%rax), %cx
# CHECK-NEXT: 1 1 0.25 lzcntl %eax, %ecx
# CHECK-NEXT: 2 5 0.33 * lzcntl (%rax), %ecx
# CHECK-NEXT: 1 1 0.25 lzcntq %rax, %rcx
# CHECK-NEXT: 2 5 0.33 * lzcntq (%rax), %rcx
# CHECK: Resources:
# CHECK-NEXT: [0] - Zn2AGU0
# CHECK-NEXT: [1] - Zn2AGU1
# CHECK-NEXT: [2] - Zn2AGU2
# CHECK-NEXT: [3] - Zn2ALU0
# CHECK-NEXT: [4] - Zn2ALU1
# CHECK-NEXT: [5] - Zn2ALU2
# CHECK-NEXT: [6] - Zn2ALU3
# CHECK-NEXT: [7] - Zn2Divider
# CHECK-NEXT: [8] - Zn2FPU0
# CHECK-NEXT: [9] - Zn2FPU1
# CHECK-NEXT: [10] - Zn2FPU2
# CHECK-NEXT: [11] - Zn2FPU3
# CHECK-NEXT: [12] - Zn2Multiplier
# CHECK: Resource pressure per iteration:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12]
# CHECK-NEXT: 1.00 1.00 1.00 1.50 1.50 1.50 1.50 - - - - - -
# CHECK: Resource pressure by instruction:
# CHECK-NEXT: [0] [1] [2] [3] [4] [5] [6] [7] [8] [9] [10] [11] [12] Instructions:
# CHECK-NEXT: - - - 0.25 0.25 0.25 0.25 - - - - - - lzcntw %cx, %cx
# CHECK-NEXT: 0.33 0.33 0.33 0.25 0.25 0.25 0.25 - - - - - - lzcntw (%rax), %cx
# CHECK-NEXT: - - - 0.25 0.25 0.25 0.25 - - - - - - lzcntl %eax, %ecx
# CHECK-NEXT: 0.33 0.33 0.33 0.25 0.25 0.25 0.25 - - - - - - lzcntl (%rax), %ecx
# CHECK-NEXT: - - - 0.25 0.25 0.25 0.25 - - - - - - lzcntq %rax, %rcx
# CHECK-NEXT: 0.33 0.33 0.33 0.25 0.25 0.25 0.25 - - - - - - lzcntq (%rax), %rcx