CMOVBE (R32, R32)
Summary:
"Conditional Move"
Reference:
https://www.felixcloutier.com/x86/CMOVcc.html
Extension:
BASE
Category:
CMOV
ISA-Set:
CMOV
CPL:
3
iform:
CMOVBE_GPRv_GPRv
iclass:
CMOVBE
ASM:
CMOVBE
Operands
Operand 1 (w): Register (EAX, ECX, EDX, EBX, ESP, EBP, ESI, EDI, R8D, R9D, R10D, R11D, R12D, R13D, R14D, R15D)
Operand 2 (r): Register (EAX, ECX, EDX, EBX, ESP, EBP, ESI, EDI, R8D, R9D, R10D, R11D, R12D, R13D, R14D, R15D)
Operand 3 (r, suppressed): Flags (CF: r, ZF: r)
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 2 → 1:
1
Latency operand 3 → 1:
2
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 (4 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p06
Alder Lake-E
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
2
Latency operand 3 → 1:
2
Throughput
Measured (loop):
0.50
Measured (unrolled):
0.50
Number of μops
Executed: 1
Microcode Sequencer (MS): 0
Rocket Lake
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
1
Latency operand 3 → 1:
2
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 (3 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p06
Tiger Lake
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
1
Latency operand 3 → 1:
2
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 (3 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p06
Ice Lake
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
1
Latency operand 3 → 1:
2
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 (3 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p06
Cascade Lake
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
1
Latency operand 3 → 1:
2
Throughput
Computed from the port usage: 1.00
Measured (loop):
1.02
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (3 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p06
Cannon Lake
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
1
Latency operand 3 → 1:
2
Throughput
Computed from the port usage: 1.00
Measured (loop):
1.02
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (3 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p06
Skylake-X
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
1
Latency operand 3 → 1:
2
Throughput
Computed from the port usage: 1.00
Measured (loop):
1.02
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (3 other instructions can be decoded with simple decoders in the same cycle)
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:
0.96
Number of μops:
2
Port usage:
2*p06
Coffee Lake
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
1
Latency operand 3 → 1:
2
Throughput
Computed from the port usage: 1.00
Measured (loop):
1.02
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (3 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p06
Kaby Lake
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
1
Latency operand 3 → 1:
2
Throughput
Computed from the port usage: 1.00
Measured (loop):
1.02
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (3 other instructions can be decoded with simple decoders in the same cycle)
Port usage:
2*p06
Skylake
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
1
Latency operand 3 → 1:
2
Throughput
Computed from the port usage: 1.00
Measured (loop):
1.02
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (3 other instructions can be decoded with simple decoders in the same cycle)
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:
0.96
Number of μops:
2
Port usage:
2*p06
Broadwell
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
1
Latency operand 3 → 1:
2
Throughput
Computed from the port usage: 1.00
Measured (loop):
1.02
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Decoded (MITE): 2
Microcode Sequencer (MS): 0
Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
Port usage:
2*p06
IACA 2.2
Throughput
Computed from the port usage: 0.50
IACA:
0.50 (with the -no_interiteration flag: 0.50)
Number of μops:
2
Port usage:
1*p0156+1*p06
IACA 2.3
Throughput
Computed from the port usage: 0.50
IACA:
0.50
Number of μops:
2
Port usage:
1*p0156+1*p06
IACA 3.0
Throughput
Computed from the port usage: 0.50
IACA:
0.48
Number of μops:
2
Port usage:
1*p0156+1*p06
Haswell
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
2
Latency operand 3 → 1:
3
Throughput
Computed from the port usage: 1.00
Measured (loop):
1.00
Measured (unrolled):
1.00
Number of μops
Executed: 3
Retire slots: 3
Decoded (MITE): 3
Microcode Sequencer (MS): 0
Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
Port usage:
1*p0156+2*p06
IACA 2.1
Latency:
3
Throughput
Computed from the port usage: 1.00
IACA:
1.00 (with the -no_interiteration flag: 1.00)
Number of μops:
3
Port usage:
1*p0156+2*p06
IACA 2.2
Throughput
Computed from the port usage: 0.75
IACA:
0.75 (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:
0.75
Number of μops:
3
Port usage:
2*p0156+1*p06
IACA 3.0
Throughput
Computed from the port usage: 0.75
IACA:
0.71
Number of μops:
3
Port usage:
2*p0156+1*p06
Ivy Bridge
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
2
Latency operand 3 → 1:
3
Throughput
Computed from the port usage: 1.00
Measured (loop):
1.05
Measured (unrolled):
1.04
Number of μops
Executed: 3
Retire slots: 3
Decoded (MITE): 3
Microcode Sequencer (MS): 0
Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
Port usage:
1*p015+2*p05
IACA 2.1
Latency:
3
Throughput
Computed from the port usage: 1.00
IACA:
1.00 (with the -no_interiteration flag: 1.00)
Number of μops:
3
Port usage:
1*p015+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:
3
Port usage:
1*p015+2*p05
IACA 2.3
Throughput
Computed from the port usage: 1.00
IACA:
1.00
Number of μops:
3
Port usage:
1*p015+2*p05
Sandy Bridge
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
2
Latency operand 3 → 1:
3
Throughput
Computed from the port usage: 1.00
Measured (loop):
1.04
Measured (unrolled):
1.00
Number of μops
Executed: 3
Retire slots: 3
Decoded (MITE): 3
Microcode Sequencer (MS): 0
Requires the complex decoder (no other instruction can be decoded with simple decoders in the same cycle)
Port usage:
1*p015+2*p05
IACA 2.1
Latency:
3
Throughput
Computed from the port usage: 1.00
IACA:
1.00 (with the -no_interiteration flag: 1.00)
Number of μops:
3
Port usage:
1*p015+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:
3
Port usage:
1*p015+2*p05
IACA 2.3
Throughput
Computed from the port usage: 1.00
IACA:
1.00
Number of μops:
3
Port usage:
1*p015+2*p05
Westmere
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
2
Latency operand 3 → 1:
2
Throughput
Computed from the port usage: 0.67
Measured (loop):
1.04
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Microcode Sequencer (MS): 0
Requires the complex decoder
Port usage:
1*p015+1*p05
IACA 2.1
Latency:
2
Throughput
Computed from the port usage: 0.67
IACA:
1.01 (with the -no_interiteration flag: 0.70)
Number of μops:
2
Port usage:
1*p015+1*p05
IACA 2.2
Throughput
Computed from the port usage: 0.67
IACA:
1.08 (with the -no_interiteration flag: 0.70)
Number of μops:
2
Port usage:
1*p015+1*p05
Nehalem
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
2
Latency operand 3 → 1:
2
Throughput
Computed from the port usage: 0.67
Measured (loop):
1.04
Measured (unrolled):
1.00
Number of μops
Executed: 2
Retire slots: 2
Microcode Sequencer (MS): 0
Requires the complex decoder
Port usage:
1*p015+1*p05
IACA 2.1
Latency:
2
Throughput
Computed from the port usage: 0.67
IACA:
1.01 (with the -no_interiteration flag: 0.70)
Number of μops:
2
Port usage:
1*p015+1*p05
IACA 2.2
Throughput
Computed from the port usage: 0.67
IACA:
1.08 (with the -no_interiteration flag: 0.70)
Number of μops:
2
Port usage:
1*p015+1*p05
Wolfdale
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
2
Latency operand 3 → 1:
2
Throughput
Computed from the port usage: 0.67
Measured (loop):
1.09
Measured (unrolled):
1.00
Number of μops
Executed: 2
Port usage:
2*p015
Conroe
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
2
Latency operand 3 → 1:
2
Throughput
Computed from the port usage: 0.67
Measured (loop):
1.09
Measured (unrolled):
1.00
Number of μops
Executed: 2
Port usage:
2*p015
Tremont
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
2
Latency operand 3 → 1:
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 2 → 1:
2
Latency operand 3 → 1:
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 2 → 1:
2
Latency operand 3 → 1:
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 2 → 1:
2
Latency operand 3 → 1:
2
Throughput
Measured (loop):
1.03
Measured (unrolled):
1.00
Number of μops
Executed: 1
Microcode Sequencer (MS): 0
Bonnell
Measurements
Latencies
Latency operand 1 → 1:
2
Latency operand 2 → 1:
2
Latency operand 3 → 1:
2
Throughput
Measured (loop):
2.00
Measured (unrolled):
2.00
Number of μops
Executed: 1
Microcode Sequencer (MS): 0
AMD Zen 4
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
1
Latency operand 3 → 1:
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 2 → 1:
1
Latency operand 3 → 1:
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: ALU0/3
AMD Zen 2
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
1
Latency operand 3 → 1:
2
Throughput
Measured (loop):
1.00
Measured (unrolled):
1.12
Number of μops
Executed: 2
Documentation
Latency: 2
Throughput: 0.50
Number of μops: 2
Port usage: ALU
AMD Zen+
Measurements
Latencies
Latency operand 1 → 1:
1
Latency operand 2 → 1:
1
Latency operand 3 → 1:
2
Throughput
Measured (loop):
1.12
Measured (unrolled):
1.50
Number of μops
Executed: 2
Documentation
Latency: 2
Throughput: 0.50
Number of μops: 2
Port usage: ALU