updates go-mutexes to no longer rely on unsafe linkname (#3027)

1 files changed, 0 insertions, 58 deletions

diff --git a/vendor/github.com/dolthub/swiss/bits.go b/vendor/github.com/dolthub/swiss/bits.go
deleted file mode 100644
index f435b6dc9..000000000
--- a/vendor/github.com/dolthub/swiss/bits.go
+++ /dev/null
@@ -1,58 +0,0 @@
-// Copyright 2023 Dolthub, Inc.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-//go:build !amd64 || nosimd
-
-package swiss
-
-import (
-	"math/bits"
-	"unsafe"
-)
-
-const (
-	groupSize       = 8
-	maxAvgGroupLoad = 7
-
-	loBits uint64 = 0x0101010101010101
-	hiBits uint64 = 0x8080808080808080
-)
-
-type bitset uint64
-
-func metaMatchH2(m *metadata, h h2) bitset {
-	// https://graphics.stanford.edu/~seander/bithacks.html##ValueInWord
-	return hasZeroByte(castUint64(m) ^ (loBits * uint64(h)))
-}
-
-func metaMatchEmpty(m *metadata) bitset {
-	return hasZeroByte(castUint64(m) ^ hiBits)
-}
-
-func nextMatch(b *bitset) uint32 {
-	s := uint32(bits.TrailingZeros64(uint64(*b)))
-	*b &= ^(1 << s) // clear bit |s|
-	return s >> 3   // div by 8
-}
-
-func hasZeroByte(x uint64) bitset {
-	return bitset(((x - loBits) & ^(x)) & hiBits)
-}
-
-func castUint64(m *metadata) uint64 {
-	return *(*uint64)((unsafe.Pointer)(m))
-}
-
-//go:linkname fastrand runtime.fastrand
-func fastrand() uint32