Example The way each instruction is described

Table 3−12. Relationships Between Operands, Operand Size, Signed/Unsigned, Functional Units, and Opfields for Example Instruction (ADD)

Opcode map field used...

For operand type...

Unit

Opfield

 

 

 

 

src1

sint

.L1, .L2

000 0011

src2

xsint

 

 

dst

sint

 

 

src1

sint

.L1, .L2

010 0011

src2

xsint

 

 

dst

slong

 

 

src1

xsint

.L1, .L2

010 0001

src2

slong

 

 

dst

slong

 

 

src1

scst5

.L1, .L2

000 0010

src2

xsint

 

 

dst

sint

 

 

src1

scst5

.L1, .L2

010 0000

src2

slong

 

 

dst

slong

 

 

src1

sint

.S1, .S2

00 0111

src2

xsint

 

 

dst

sint

 

 

src1

scst5

.S1, .S2

00 0110

src2

xsint

 

 

dst

sint

 

 

src2

sint

.D1, .D2

01 0000

src1

sint

 

 

dst

sint

 

 

src2

sint

.D1, .D2

01 0010

src1

ucst5

 

 

dst

sint

 

 

 

 

 

 

3-36

Instruction Set

SPRU733

Page 96
Image 96
Texas Instruments TMS320C67X/C67X+ DSP manual Opcode map field used For operand type Unit Opfield