ROL (R32, I8)

Operands

• Operand 1 (r/w): Register (EAX, ECX, EDX, EBX, ESP, EBP, ESI, EDI, R8D, R9D, R10D, R11D, R12D, R13D, R14D, R15D)
• Operand 2 (r): 8-bit immediate
• Operand 3 (w, suppressed): Flags (CF: w, OF: undef)

Available performance data

• Alder Lake-P
• Alder Lake-E
• Rocket Lake
• Tiger Lake
• Ice Lake
• Cascade Lake
• Cannon Lake
• Skylake-X
• Coffee Lake
• Kaby Lake
• Skylake
• Broadwell
• Haswell
• Ivy Bridge
• Sandy Bridge
• Westmere
• Nehalem
• Wolfdale
• Conroe
• Tremont
• Goldmont Plus
• Goldmont
• Airmont
• Bonnell
• AMD Zen 4
• AMD Zen 3
• AMD Zen 2
• AMD Zen+

Alder Lake-P

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p06

Alder Lake-E

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 2
• Throughput
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

Rocket Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p06

Tiger Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p06

Ice Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p06

Cascade Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p06

Cannon Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p06

Skylake-X

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p06
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00
• Number of μops: 2
• Port usage: 2*p06
• IACA 3.0
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00
• Number of μops: 2
• Port usage: 2*p06

Coffee Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p06

Kaby Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p06

Skylake

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p06
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00
• Number of μops: 2
• Port usage: 2*p06
• IACA 3.0
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00
• Number of μops: 2
• Port usage: 2*p06

Broadwell

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p06
• IACA 2.2
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00 (with the -no_interiteration flag: 1.00)
• Number of μops: 2
• Port usage: 2*p06
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00
• Number of μops: 2
• Port usage: 2*p06
• IACA 3.0
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00
• Number of μops: 2
• Port usage: 2*p06

Haswell

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p06
• IACA 2.1
• Latency: 1
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50 (with the -no_interiteration flag: 0.50)
• Number of μops: 1
• Port usage: 1*p06
• IACA 2.2
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00 (with the -no_interiteration flag: 1.00)
• Number of μops: 2
• Port usage: 2*p06
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00
• Number of μops: 2
• Port usage: 2*p06
• IACA 3.0
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00
• Number of μops: 2
• Port usage: 2*p06

Ivy Bridge

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Decoded (MITE): 1
  • Microcode Sequencer (MS): 0
• Port usage: 1*p05
• IACA 2.1
• Latency: 1
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50 (with the -no_interiteration flag: 0.50)
• Number of μops: 1
• Port usage: 1*p05
• IACA 2.2
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50 (with the -no_interiteration flag: 0.50)
• Number of μops: 1
• Port usage: 1*p05
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.50
• Number of μops: 1
• Port usage: 1*p05

Sandy Bridge

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 1.00
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 2
  • Retire slots: 2
  • Decoded (MITE): 2
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder (2 other instructions can be decoded with simple decoders in the same cycle)
• Port usage: 2*p05
• IACA 2.1
• Latency: 2
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00 (with the -no_interiteration flag: 1.00)
• Number of μops: 2
• Port usage: 2*p05
• IACA 2.2
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00 (with the -no_interiteration flag: 1.00)
• Number of μops: 2
• Port usage: 2*p05
• IACA 2.3
• Throughput
  • Computed from the port usage: 1.00
  • IACA: 1.00
• Number of μops: 2
• Port usage: 2*p05

Westmere

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.58
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder
• Port usage: 1*p05
• IACA 2.1
• Latency: 1
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.54 (with the -no_interiteration flag: 0.50)
• Number of μops: 1
• Port usage: 1*p05
• IACA 2.2
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.54 (with the -no_interiteration flag: 0.50)
• Number of μops: 1
• Port usage: 1*p05

Nehalem

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 0.58
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Retire slots: 1
  • Microcode Sequencer (MS): 0
  • Requires the complex decoder
• Port usage: 1*p05
• IACA 2.1
• Latency: 1
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.54 (with the -no_interiteration flag: 0.50)
• Number of μops: 1
• Port usage: 1*p05
• IACA 2.2
• Throughput
  • Computed from the port usage: 0.50
  • IACA: 0.54 (with the -no_interiteration flag: 0.50)
• Number of μops: 1
• Port usage: 1*p05

Wolfdale

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 9
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
• Port usage: 1*p05

Conroe

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 9
• Throughput
  • Computed from the port usage: 0.50
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
• Port usage: 1*p05

Tremont

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 2
• Throughput
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

Goldmont Plus

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 2
• Throughput
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

Goldmont

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 2
• Throughput
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

Airmont

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 2
• Throughput
  • Measured (loop): 1.02
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

Bonnell

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Measured (loop): 1.00
  • Measured (unrolled): 1.00
• Number of μops
  • Executed: 1
  • Microcode Sequencer (MS): 0

AMD Zen 4

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1

AMD Zen 3

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Measured (loop): 0.50
  • Measured (unrolled): 0.50
• Number of μops
  • Executed: 1
• Documentation
• Latency: 1
• Throughput: 0.50
• Number of μops: 1
• Port usage: ALU1/2

AMD Zen 2

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Measured (loop): 0.25
  • Measured (unrolled): 0.25
• Number of μops
  • Executed: 1
• Documentation
• Latency: 1
• Throughput: 0.25
• Number of μops: 1
• Port usage: ALU

AMD Zen+

• Measurements
• Latencies
  • Latency operand 1 → 1: 1
  • Latency operand 1 → 3: 1
• Throughput
  • Measured (loop): 0.25
  • Measured (unrolled): 0.25
• Number of μops
  • Executed: 1
• Documentation
• Latency: 1
• Throughput: 0.25
• Number of μops: 1
• Port usage: ALU