Altera Quartus II Settings File Bedienungsanleitung PDF herunterladen (Seite 58)

AUTO_SHIFT_REGISTER_RECOGNITION

Allows the Compiler to find a group of shift registers of the same length that can be replaced with the

altshift_taps megafunction. The shift registers must all use the same clock and clock enable signals, must

not have any other secondary signals, and must have equally spaced taps that are at least three registers

apart.

Type

Enumeration

Values

• Always

• Auto

• Off

Device Support

This setting can be used in projects targeting any Altera device family.

Notes

This assignment is included in the Analysis & Synthesis report.

This assignment supports synthesis wildcards.

Syntax

set_global_assignment -name AUTO_SHIFT_REGISTER_RECOGNITION <value>

set_global_assignment -name AUTO_SHIFT_REGISTER_RECOGNITION -entity <entity

name> <value>

set_instance_assignment -name AUTO_SHIFT_REGISTER_RECOGNITION -to <to> -

entity <entity name> <value>

Default Value

Auto

Example

set_global_assignment -name auto_shift_register_recognition off

set_instance_assignment -name auto_shift_register_recognition off -to foo

AUTO_SHIFT_REGISTER_RECOGNITION

MNL-Q21005

2015.05.04

Altera Corporation

Quartus Settings File Reference Manual

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Altera Quartus II Settings File Bedienungsanleitung Seite 58