Freescale Semiconductor MCF5480 - Manual (Page 128)

MCF548x Reference Manual, Rev. 3
3-24 Freescale Semiconductor
FINT <ea>y,FPx
FPy,FPx
FPx
B,W,L,S,D
D
D
Integer Part of Source
→ FPx
Integer Part of FPx
→ FPx
FINTRZ <ea>y,FPx
FPy,FPx
FPx
B,W,L,S,D
D
D
Integer Part of Source
→ FPx; round to zero
Integer Part of FPx
→ FPx; round to zero
FMOVE <ea>y,FPx
FPy,<ea>x
FPy,FPx
FPcr,<ea>x
<ea>y,FPcr
B,W,L,S,D
B,W,L,S,D
D
L
L
Source
→ Destination
FPcr can be any floating point control register:
FPCR, FPIAR, FPSR
FMOVEM #list,<ea>x
<ea>y,#list
D Listed registers
→ Destination
Source
→ Listed registers
FMUL <ea>y,FPx
FPy,FPx
B,W,L,S,D
D
Source * FPx
→ FPx
FNEG <ea>y,FPx
FPy,FPx
FPx
B,W,L,S,D
D
D
- (Source)
→ FPx
- (FPx)
→ FPx
FNOP none none PC + 2
→ PC (FPU Pipeline Synchronized)
FSABS <ea>y,FPx
FPy,FPx
FPx
B,W,L,S,D
D
D
Absolute Value of Source
→ FPx; round destination
to single
Absolute Value of FPx
→ FPx; round destination to
single
FSADD <ea>y,FPx
FPy,FPx
B,W,L,S,D Source + FPx
→ FPx; round destination to single
FSDIV <ea>y,FPx
FPy,FPx
B,W,L,S,D
D
FPx / Source
→ FPx; round destination to single
FSMOVE <ea>y,FPx B,W,L,S,D Source
→ Destination; round destination to single
FSMUL <ea>y,FPx
FPy,FPx
B,W,L,S,D
D
Source * FPx
→ FPx; round destination to single
FSNEG <ea>y,FPx
FPy,FPx
FPx
B,W,L,S,D
D
D
- (Source)
→ FPx; round destination to single
- (FPx)
→ FPx; round destination to single
FSQRT <ea>y,FPx
FPy,FPx
FPx
B,W,L,S,D
D
D
Square Root of Source
→ FPx
Square Root of FPx
→ FPx
FSSQRT <ea>y,FPx
FPy,FPx
FPx
B,W,L,S,D
D
D
Square Root of Source
→ FPx; round destination to
single
Square Root of FPx
→ FPx; round destination to
single
FSSUB <ea>y,FPx
FPy,FPx
B,W,L,S,D
D
FPx - Source
→ FPx; round destination to single
Table 3-8. User-Mode Instruction Set Summary (Continued)
Instruction Operand Syntax Operand Size Operation