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hash/crc32: remove single-use {castagnoli,ieee}ArchImpl bools

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These are only used once right after being set in castagnoliInit and
ieeeInit, respectively.

Change-Id: Ifc5df1fe3040b97b1d252cc6d6d28d8fbc132fa5
Reviewed-on: https://go-review.googlesource.com/c/go/+/423854
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
This commit is contained in:
Tobias Klauser 2022-08-15 11:04:03 +02:00 committed by Gopher Robot
parent c7c78f1a3a
commit b614922449
1 changed files with 2 additions and 7 deletions
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9
src/hash/crc32/crc32.go
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@ -76,16 +76,14 @@ type Table [256]uint32
// using this polynomial.
var castagnoliTable *Table
var castagnoliTable8 *slicing8Table
var castagnoliArchImpl bool
var updateCastagnoli func(crc uint32, p []byte) uint32
var castagnoliOnce sync.Once
var haveCastagnoli uint32
func castagnoliInit() {
castagnoliTable = simpleMakeTable(Castagnoli)
castagnoliArchImpl = archAvailableCastagnoli()
if castagnoliArchImpl {
if archAvailableCastagnoli() {
archInitCastagnoli()
updateCastagnoli = archUpdateCastagnoli
} else {
@ -104,14 +102,11 @@ var IEEETable = simpleMakeTable(IEEE)
// ieeeTable8 is the slicing8Table for IEEE
var ieeeTable8 *slicing8Table
var ieeeArchImpl bool
var updateIEEE func(crc uint32, p []byte) uint32
var ieeeOnce sync.Once
func ieeeInit() {
ieeeArchImpl = archAvailableIEEE()
if ieeeArchImpl {
if archAvailableIEEE() {
archInitIEEE()
updateIEEE = archUpdateIEEE
} else {