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| author | Cherry Mui <cherryyz@google.com> | 2025-05-21 22:50:09 -0400 |
|---|---|---|
| committer | Cherry Mui <cherryyz@google.com> | 2025-05-21 20:19:55 -0700 |
| commit | d2db2372a2fd79d539719fa13422d83d6fdfcda1 (patch) | |
| tree | 45bb38f4212e4bad53e9785ce16d2661bd0266af | |
| parent | 5e6a868b28d3e7a71fa328c18ff5e93d72a1fb67 (diff) | |
| download | go-d2db2372a2fd79d539719fa13422d83d6fdfcda1.tar.xz | |
hash/maphash: move purego-only helper functions to build tagged file
Hash.float64 and btoi helper functions are used only in the purego
version. Move them to the build tagged file.
Change-Id: I57f9a48966573ab0aee1de759eeddd2331967870
Reviewed-on: https://go-review.googlesource.com/c/go/+/675158
Reviewed-by: David Chase <drchase@google.com>
LUCI-TryBot-Result: Go LUCI <golang-scoped@luci-project-accounts.iam.gserviceaccount.com>
| -rw-r--r-- | src/hash/maphash/maphash.go | 24 | ||||
| -rw-r--r-- | src/hash/maphash/maphash_purego.go | 23 |
2 files changed, 23 insertions, 24 deletions
diff --git a/src/hash/maphash/maphash.go b/src/hash/maphash/maphash.go index d328cd3929..c6f3e62b5d 100644 --- a/src/hash/maphash/maphash.go +++ b/src/hash/maphash/maphash.go @@ -15,8 +15,6 @@ package maphash import ( "hash" "internal/abi" - "internal/byteorder" - "math" ) // A Seed is a random value that selects the specific hash function @@ -310,25 +308,3 @@ func WriteComparable[T comparable](h *Hash, x T) { } writeComparable(h, x) } - -func (h *Hash) float64(f float64) { - if f == 0 { - h.WriteByte(0) - return - } - var buf [8]byte - if f != f { - byteorder.LEPutUint64(buf[:], randUint64()) - h.Write(buf[:]) - return - } - byteorder.LEPutUint64(buf[:], math.Float64bits(f)) - h.Write(buf[:]) -} - -func btoi(b bool) byte { - if b { - return 1 - } - return 0 -} diff --git a/src/hash/maphash/maphash_purego.go b/src/hash/maphash/maphash_purego.go index 07b5eaa460..e286c5a5aa 100644 --- a/src/hash/maphash/maphash_purego.go +++ b/src/hash/maphash/maphash_purego.go @@ -10,6 +10,7 @@ import ( "crypto/rand" "errors" "internal/byteorder" + "math" "math/bits" "reflect" ) @@ -175,3 +176,25 @@ func appendT(h *Hash, v reflect.Value) { } panic(errors.New("maphash: hash of unhashable type " + v.Type().String())) } + +func (h *Hash) float64(f float64) { + if f == 0 { + h.WriteByte(0) + return + } + var buf [8]byte + if f != f { + byteorder.LEPutUint64(buf[:], randUint64()) + h.Write(buf[:]) + return + } + byteorder.LEPutUint64(buf[:], math.Float64bits(f)) + h.Write(buf[:]) +} + +func btoi(b bool) byte { + if b { + return 1 + } + return 0 +} |