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Diffstat (limited to 'vendor/github.com/minio/md5-simd/md5-util_amd64.go')
-rw-r--r--vendor/github.com/minio/md5-simd/md5-util_amd64.go37
1 files changed, 26 insertions, 11 deletions
diff --git a/vendor/github.com/minio/md5-simd/md5-util_amd64.go b/vendor/github.com/minio/md5-simd/md5-util_amd64.go
index 32bbae4a04..73981b0eb9 100644
--- a/vendor/github.com/minio/md5-simd/md5-util_amd64.go
+++ b/vendor/github.com/minio/md5-simd/md5-util_amd64.go
@@ -1,19 +1,21 @@
+//+build !noasm,!appengine,gc
+
// Copyright (c) 2020 MinIO Inc. All rights reserved.
// Use of this source code is governed by a license that can be
// found in the LICENSE file.
package md5simd
-import (
- "sort"
-)
-
// Helper struct for sorting blocks based on length
type lane struct {
len uint
pos uint
}
+type digest struct {
+ s [4]uint32
+}
+
// Helper struct for generating number of rounds in combination with mask for valid lanes
type maskRounds struct {
mask uint64
@@ -23,15 +25,22 @@ type maskRounds struct {
func generateMaskAndRounds8(input [8][]byte, mr *[8]maskRounds) (rounds int) {
// Sort on blocks length small to large
var sorted [8]lane
- for c, inpt := range input {
+ for c, inpt := range input[:] {
sorted[c] = lane{uint(len(inpt)), uint(c)}
+ for i := c - 1; i >= 0; i-- {
+ // swap so largest is at the end...
+ if sorted[i].len > sorted[i+1].len {
+ sorted[i], sorted[i+1] = sorted[i+1], sorted[i]
+ continue
+ }
+ break
+ }
}
- sort.Slice(sorted[:], func(i, j int) bool { return sorted[i].len < sorted[j].len })
// Create mask array including 'rounds' (of processing blocks of 64 bytes) between masks
m, round := uint64(0xff), uint64(0)
- for _, s := range sorted {
+ for _, s := range sorted[:] {
if s.len > 0 {
if uint64(s.len)>>6 > round {
mr[rounds] = maskRounds{m, (uint64(s.len) >> 6) - round}
@@ -45,18 +54,24 @@ func generateMaskAndRounds8(input [8][]byte, mr *[8]maskRounds) (rounds int) {
}
func generateMaskAndRounds16(input [16][]byte, mr *[16]maskRounds) (rounds int) {
-
// Sort on blocks length small to large
var sorted [16]lane
- for c, inpt := range input {
+ for c, inpt := range input[:] {
sorted[c] = lane{uint(len(inpt)), uint(c)}
+ for i := c - 1; i >= 0; i-- {
+ // swap so largest is at the end...
+ if sorted[i].len > sorted[i+1].len {
+ sorted[i], sorted[i+1] = sorted[i+1], sorted[i]
+ continue
+ }
+ break
+ }
}
- sort.Slice(sorted[:], func(i, j int) bool { return sorted[i].len < sorted[j].len })
// Create mask array including 'rounds' (of processing blocks of 64 bytes) between masks
m, round := uint64(0xffff), uint64(0)
- for _, s := range sorted {
+ for _, s := range sorted[:] {
if s.len > 0 {
if uint64(s.len)>>6 > round {
mr[rounds] = maskRounds{m, (uint64(s.len) >> 6) - round}