Texas Instruments TMS320C67X/C67X+ DSP User Manual

Page 141

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Compare for Equality, Signed Integers

CMPEQ

3-81

Instruction Set

SPRU733

Pipeline
Stage

E1

Read

src1, src2

Written

dst

Unit in use

.L

Instruction Type

Single-cycle

Delay Slots

0

See Also

CMPEQDP, CMPEQSP, CMPGT, CMPLT

Example 1

CMPEQ .L1X A1,B1,A2

Before instruction

1 cycle after instruction

A1 0000 04B8h

1208

A1 0000 04B8h

A2 xxxx xxxxh

A2 0000 0000h

false

B1 0000 04B7h

1207

B1 0000 04B7h

Example 2

CMPEQ .L1

Ch,A1,A2

Before instruction

1 cycle after instruction

A1 0000 000Ch

12

A1 0000 000Ch

A2 xxxx xxxxh

A2 0000 0001h

true

Example 3

CMPEQ .L2X A1,B3:B2,B1

Before instruction

1 cycle after instruction

A1 F23A 3789h

A1 F23A 3789h

B1 xxxx xxxxh

B1 0000 0001h

true

B3:B2 0000 00FFh F23A 3789h

B3:B2 0000 00FFh F23A 3789h

Pipeline

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