crc32.hh File Reference

Table and function for computing a CRC32. More...

#include "types.h"

Functions
uint4	crc_update (uint4 reg, uint4 val)
	Feed 8 bits into a CRC register. More...

Variables
uint4	crc32tab []
	Table for quickly computing a 32-bit Cyclic Redundacy Check (CRC)

Detailed Description

Table and function for computing a CRC32.

Function Documentation

uint4 crc_update ( uint4  reg, uint4  val  )

inline

Feed 8 bits into a CRC register.

Parameters

reg	is the current state of the CRC register
val	holds 8 bits (least significant) to feed in

Returns

the new value of the register

References crc32tab.

Referenced by DynamicHash::calcHash(), ToOpEdge::hash(), and Scope::hashScopeName().