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MOTOROLA M68040 USER’S MANUAL D- 3
MC68020, MC68030, and MC68040 Instruction Set Extensions
Applies To
Instruction Notes MC68020 MC68030 MC68040
Bcc Supports 32-Bit Displacements 
BFxxxx Bit Field Instructions (BCHG, BFCLR, BFEXTS,
BFEXTU, BFFFO, BFINS, BFSET, BFTST)

BKPT New Instruction Functionally 
BRA Supports 32-Bit Displacement 
BSR Supports 32-Bit Displacement 
CALLM New Instruction
CAS, CAS2 New Instructions 
CHK Supports 32-Bit Operands 
CHK2 New Instruction 
CINV Cache Maintenance Instruction
CMPI Supports Program Counter Relative Addressing Modes 
CMP2 New Instruction 
CPUSH Cache Maintenance Instruction
cp Coprocessor Instructions 
DIVS/DIVU Supports 32-Bit and 64-Bit Operands 
EXTB Supports 8-Bit Extend to 32-Bits 
FABS New Instruction
FADD New Instruction
FBcc New Instruction
FCMP New Instruction
FDBcc New Instruction
FDIV New Instruction
FMOVE New Instruction
FMOVEM New Instruction
FMUL New Instruction
FNEG New Instruction
FNOP New Instruction
FRESTORE New Instruction
FSGLDIV New Instruction
FSGLMUL New Instruction
FSAVE New Instruction
FScc New Instruction
FSQRT New Instruction
FSUB New Instruction
FTRAPcc New Instruction
FTST New Instruction
LINK Supports 32-Bit Displacement 
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