RCR (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 (r/w, suppressed): Flags (CF: r/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: 5
  • Latency operand 1 → 3: 6
  • Latency operand 3 → 1: 5
  • Latency operand 3 → 3: 6
• Throughput
  • Computed from the port usage: 2.00
  • Measured (loop): 6.00
  • Measured (unrolled): 5.87
• Number of μops
  • Executed: 7
  • Retire slots: 7
  • Decoded (MITE): 2
  • Microcode Sequencer (MS): 5
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 2*p0156B+3*p06+2*p1

Alder Lake-E

• Measurements
• Latencies
  • Latency operand 1 → 1: 7
  • Latency operand 1 → 3: 7
  • Latency operand 3 → 1: 6
  • Latency operand 3 → 3: 6
• Throughput
  • Measured (loop): 9.65
  • Measured (unrolled): 10.82
• Number of μops
  • Executed: 14
  • Microcode Sequencer (MS): 13
  • Requires the complex decoder

Rocket Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 5
  • Latency operand 1 → 3: 6
  • Latency operand 3 → 1: 5
  • Latency operand 3 → 3: 6
• Throughput
  • Computed from the port usage: 2.00
  • Measured (loop): 6.00
  • Measured (unrolled): 6.00
• Number of μops
  • Executed: 7
  • Retire slots: 7
  • Decoded (MITE): 2
  • Microcode Sequencer (MS): 5
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 2*p0156+3*p06+2*p1

Tiger Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 5
  • Latency operand 1 → 3: 6
  • Latency operand 3 → 1: 5
  • Latency operand 3 → 3: 6
• Throughput
  • Computed from the port usage: 2.00
  • Measured (loop): 6.00
  • Measured (unrolled): 6.00
• Number of μops
  • Executed: 7
  • Retire slots: 7
  • Decoded (MITE): 2
  • Microcode Sequencer (MS): 5
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 2*p0156+3*p06+2*p1

Ice Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 5
  • Latency operand 1 → 3: 6
  • Latency operand 3 → 1: 5
  • Latency operand 3 → 3: 6
• Throughput
  • Computed from the port usage: 2.00
  • Measured (loop): 6.00
  • Measured (unrolled): 6.00
• Number of μops
  • Executed: 7
  • Retire slots: 7
  • Decoded (MITE): 2
  • Microcode Sequencer (MS): 5
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 2*p0156+3*p06+2*p1

Cascade Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 5
  • Latency operand 1 → 3: 6
  • Latency operand 3 → 1: 5
  • Latency operand 3 → 3: 6
• Throughput
  • Computed from the port usage: 2.00
  • Measured (loop): 6.00
  • Measured (unrolled): 6.00
• Number of μops
  • Executed: 8
  • Retire slots: 8
  • Decoded (MITE): 2
  • Microcode Sequencer (MS): 6
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 2*p0156+4*p06+2*p1

Cannon Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 5
  • Latency operand 1 → 3: 6
  • Latency operand 3 → 1: 5
  • Latency operand 3 → 3: 6
• Throughput
  • Computed from the port usage: 2.00
  • Measured (loop): 6.00
  • Measured (unrolled): 6.00
• Number of μops
  • Executed: 8
  • Retire slots: 8
  • Decoded (MITE): 2
  • Microcode Sequencer (MS): 6
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 2*p0156+4*p06+2*p1

Skylake-X

• Measurements
• Latencies
  • Latency operand 1 → 1: 5
  • Latency operand 1 → 3: 6
  • Latency operand 3 → 1: 5
  • Latency operand 3 → 3: 6
• Throughput
  • Computed from the port usage: 2.00
  • Measured (loop): 6.00
  • Measured (unrolled): 5.97
• Number of μops
  • Executed: 8
  • Retire slots: 8
  • Decoded (MITE): 2
  • Microcode Sequencer (MS): 6
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 2*p0156+4*p06+2*p1
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.75
  • IACA: 1.00
• Number of μops: 3
• Port usage: 2*p0156+1*p06
• IACA 3.0
• Throughput
  • Computed from the port usage: 0.75
  • IACA: 0.75
• Number of μops: 3
• Port usage: 2*p0156+1*p06

Coffee Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 6
  • Latency operand 1 → 3: 6
  • Latency operand 3 → 1: 5
  • Latency operand 3 → 3: 6
• Throughput
  • Computed from the port usage: 2.00
  • Measured (loop): 6.00
  • Measured (unrolled): 6.00
• Number of μops
  • Executed: 8
  • Retire slots: 8
  • Decoded (MITE): 2
  • Microcode Sequencer (MS): 6
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 2*p0156+4*p06+2*p1

Kaby Lake

• Measurements
• Latencies
  • Latency operand 1 → 1: 5
  • Latency operand 1 → 3: 6
  • Latency operand 3 → 1: 5
  • Latency operand 3 → 3: 6
• Throughput
  • Computed from the port usage: 2.00
  • Measured (loop): 6.00
  • Measured (unrolled): 6.00
• Number of μops
  • Executed: 8
  • Retire slots: 8
  • Decoded (MITE): 2
  • Microcode Sequencer (MS): 6
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 2*p0156+4*p06+2*p1

Skylake

• Measurements
• Latencies
  • Latency operand 1 → 1: 6
  • Latency operand 1 → 3: 6
  • Latency operand 3 → 1: 5
  • Latency operand 3 → 3: 6
• Throughput
  • Computed from the port usage: 2.00
  • Measured (loop): 6.00
  • Measured (unrolled): 6.00
• Number of μops
  • Executed: 8
  • Retire slots: 8
  • Decoded (MITE): 2
  • Microcode Sequencer (MS): 6
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 2*p0156+4*p06+2*p1
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.75
  • IACA: 1.00
• Number of μops: 3
• Port usage: 2*p0156+1*p06
• IACA 3.0
• Throughput
  • Computed from the port usage: 0.75
  • IACA: 0.75
• Number of μops: 3
• Port usage: 2*p0156+1*p06

Broadwell

• Measurements
• Latencies
  • Latency operand 1 → 1: 5
  • Latency operand 1 → 3: 6
  • Latency operand 3 → 1: 5
  • Latency operand 3 → 3: 6
• Throughput
  • Computed from the port usage: 2.00
  • Measured (loop): 6.00
  • Measured (unrolled): 6.00
• Number of μops
  • Executed: 8
  • Retire slots: 8
  • Decoded (MITE): 2
  • Microcode Sequencer (MS): 6
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 2*p0156+4*p06+2*p1
• IACA 2.2
• Throughput
  • Computed from the port usage: 0.75
  • IACA: 1.00 (with the -no_interiteration flag: 0.75)
• Number of μops: 3
• Port usage: 2*p0156+1*p06
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.75
  • IACA: 1.00
• Number of μops: 3
• Port usage: 2*p0156+1*p06
• IACA 3.0
• Throughput
  • Computed from the port usage: 0.75
  • IACA: 0.75
• Number of μops: 3
• Port usage: 2*p0156+1*p06

Haswell

• Measurements
• Latencies
  • Latency operand 1 → 1: 5
  • Latency operand 1 → 3: 6
  • Latency operand 3 → 1: 5
  • Latency operand 3 → 3: 6
• Throughput
  • Computed from the port usage: 2.00
  • Measured (loop): 6.00
  • Measured (unrolled): 6.00
• Number of μops
  • Executed: 8
  • Retire slots: 8
  • Decoded (MITE): 2
  • Microcode Sequencer (MS): 6
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 2*p0156+4*p06+2*p1
• IACA 2.2
• Throughput
  • Computed from the port usage: 0.75
  • IACA: 1.00 (with the -no_interiteration flag: 0.75)
• Number of μops: 3
• Port usage: 2*p0156+1*p06
• IACA 2.3
• Throughput
  • Computed from the port usage: 0.75
  • IACA: 1.00
• Number of μops: 3
• Port usage: 2*p0156+1*p06
• IACA 3.0
• Throughput
  • Computed from the port usage: 0.75
  • IACA: 0.75
• Number of μops: 3
• Port usage: 2*p0156+1*p06

Ivy Bridge

• Measurements
• Latencies
  • Latency operand 1 → 1: 4
  • Latency operand 1 → 3: 4
  • Latency operand 3 → 1: 4
  • Latency operand 3 → 3: 4
• Throughput
  • Computed from the port usage: 2.67
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 8
  • Retire slots: 8
  • Decoded (MITE): 2
  • Microcode Sequencer (MS): 6
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 2*p015+4*p05+1*p1+1*p5

Sandy Bridge

• Measurements
• Latencies
  • Latency operand 1 → 1: 3
  • Latency operand 1 → 3: 4
  • Latency operand 3 → 1: 3
  • Latency operand 3 → 3: 4
• Throughput
  • Computed from the port usage: 2.67
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 8
  • Retire slots: 8
  • Decoded (MITE): 2
  • Microcode Sequencer (MS): 6
  • Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
• Port usage: 2*p015+4*p05+1*p1+1*p5

Westmere

• Measurements
• Latencies
  • Latency operand 1 → 1: 5
  • Latency operand 1 → 3: 13
  • Latency operand 3 → 1: 5
  • Latency operand 3 → 3: 12
• Throughput
  • Computed from the port usage: 2.00
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 6
  • Retire slots: 6
  • Microcode Sequencer (MS): 15
  • Requires the complex decoder
• Port usage: 3*p015+1*p05+2*p1

Nehalem

• Measurements
• Latencies
  • Latency operand 1 → 1: 5
  • Latency operand 1 → 3: 13
  • Latency operand 3 → 1: 5
  • Latency operand 3 → 3: 12
• Throughput
  • Computed from the port usage: 2.00
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 6
  • Retire slots: 6
  • Microcode Sequencer (MS): 15
  • Requires the complex decoder
• Port usage: 3*p015+1*p05+2*p1

Wolfdale

• Measurements
• Latencies
  • Latency operand 1 → 1: 3
  • Latency operand 1 → 3: 11
  • Latency operand 3 → 1: 4
  • Latency operand 3 → 3: 9
• Throughput
  • Computed from the port usage: 2.00
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 6
• Port usage: 2*p015+2*p05+1*p1+1*p5

Conroe

• Measurements
• Latencies
  • Latency operand 1 → 1: 3
  • Latency operand 1 → 3: 11
  • Latency operand 3 → 1: 4
  • Latency operand 3 → 3: 9
• Throughput
  • Computed from the port usage: 2.00
  • Measured (loop): 5.00
  • Measured (unrolled): 5.00
• Number of μops
  • Executed: 6
• Port usage: 2*p015+2*p05+1*p1+1*p5

Tremont

• Measurements
• Latencies
  • Latency operand 1 → 1: 6
  • Latency operand 1 → 3: 7
  • Latency operand 3 → 1: 6
  • Latency operand 3 → 3: 6
• Throughput
  • Measured (loop): 11.00
  • Measured (unrolled): 11.00
• Number of μops
  • Executed: 15
  • Microcode Sequencer (MS): 14
  • Requires the complex decoder

Goldmont Plus

• Measurements
• Latencies
  • Latency operand 1 → 1: 6
  • Latency operand 1 → 3: 7
  • Latency operand 3 → 1: 6
  • Latency operand 3 → 3: 6
• Throughput
  • Measured (loop): 11.00
  • Measured (unrolled): 11.00
• Number of μops
  • Executed: 13
  • Microcode Sequencer (MS): 13
  • Requires the complex decoder

Goldmont

• Measurements
• Latencies
  • Latency operand 1 → 1: 9
  • Latency operand 1 → 3: 10
  • Latency operand 3 → 1: 9
  • Latency operand 3 → 3: 8
• Throughput
  • Measured (loop): 12.00
  • Measured (unrolled): 12.00
• Number of μops
  • Executed: 14
  • Microcode Sequencer (MS): 14
  • Requires the complex decoder

Airmont

• Measurements
• Latencies
  • Latency operand 1 → 1: 7
  • Latency operand 1 → 3: 6
  • Latency operand 3 → 1: 7
  • Latency operand 3 → 3: 7
• Throughput
  • Measured (loop): 12.00
  • Measured (unrolled): 12.00
• Number of μops
  • Executed: 11
  • Microcode Sequencer (MS): 11
  • Requires the complex decoder

Bonnell

• Measurements
• Latencies
  • Latency operand 1 → 1: 11
  • Latency operand 1 → 3: 11
  • Latency operand 3 → 1: 11
  • Latency operand 3 → 3: 11
• Throughput
  • Measured (loop): 12.00
  • Measured (unrolled): 12.00
• Number of μops
  • Executed: 12
  • Microcode Sequencer (MS): 12
  • Requires the complex decoder

AMD Zen 4

• Measurements
• Latencies
  • Latency operand 1 → 1: 2
  • Latency operand 1 → 3: 2
  • Latency operand 3 → 1: 2
  • Latency operand 3 → 3: 2
• Throughput
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 7

AMD Zen 3

• Measurements
• Latencies
  • Latency operand 1 → 1: 2
  • Latency operand 1 → 3: 2
  • Latency operand 3 → 1: 2
  • Latency operand 3 → 3: 2
• Throughput
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 7
• Documentation
• Latency: 1
• Throughput: 0.50
• Number of μops: 1
• Port usage: ALU1/2

AMD Zen 2

• Measurements
• Latencies
  • Latency operand 1 → 1: 2
  • Latency operand 1 → 3: 2
  • Latency operand 3 → 1: 2
  • Latency operand 3 → 3: 2
• Throughput
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 7
• Documentation
• Latency: 1
• Throughput: 1.00
• Number of μops: 1
• Port usage: ALU

AMD Zen+

• Measurements
• Latencies
  • Latency operand 1 → 1: 2
  • Latency operand 1 → 3: 2
  • Latency operand 3 → 1: 2
  • Latency operand 3 → 3: 2
• Throughput
  • Measured (loop): 3.00
  • Measured (unrolled): 3.00
• Number of μops
  • Executed: 7
• Documentation
• Latency: 1
• Throughput: 1.00
• Number of μops: 1
• Port usage: ALU