COMISD

xmm[63:0], xmm[63:0]/m64

x86_64 X86_LEGACY SSE SSE2 source: asmjit

X86_COMISD_X86_LEGACY_0F_2F_637135

Encoding

encoding_kindX86_LEGACY
opcode_bytes2F
opcode_map0F
mandatory_prefix66
has_modrmTrue
raw_encoding[RM] 66 0F 2F /r

Operands (2)

# Role Kind Class / Reg Width Access Visibility Encoded in
0 OP0 REG RW EXPLICIT
1 OP1 REG R EXPLICIT

Flag effects (6)

CF = WRITE PF = WRITE AF = SET_0 ZF = WRITE SF = SET_0 OF = SET_0

Micro-ops sequence (0)

No micro-ops authored for this encoding. Emulator semantics not yet defined — decoder still works.