diff options
Diffstat (limited to 'src/cmd')
| -rw-r--r-- | src/cmd/cgo/main.go | 4 | ||||
| -rw-r--r-- | src/cmd/compile/internal/types/fmt.go | 4 | ||||
| -rw-r--r-- | src/cmd/internal/obj/sym.go | 2 | ||||
| -rw-r--r-- | src/cmd/objdump/objdump_test.go | 2 |
4 files changed, 6 insertions, 6 deletions
diff --git a/src/cmd/cgo/main.go b/src/cmd/cgo/main.go index 946245bbe7..7a78cd270d 100644 --- a/src/cmd/cgo/main.go +++ b/src/cmd/cgo/main.go @@ -388,8 +388,8 @@ func main() { // we use to coordinate between gcc and ourselves. // We already put _cgo_ at the beginning, so the main // concern is other cgo wrappers for the same functions. - // Use the beginning of the 32 bytes hash of the input to disambiguate. - h := hash.New32() + // Use the beginning of the 16 bytes hash of the input to disambiguate. + h := hash.New16() io.WriteString(h, *importPath) var once sync.Once var wg sync.WaitGroup diff --git a/src/cmd/compile/internal/types/fmt.go b/src/cmd/compile/internal/types/fmt.go index f316a23b90..96c63528ec 100644 --- a/src/cmd/compile/internal/types/fmt.go +++ b/src/cmd/compile/internal/types/fmt.go @@ -644,7 +644,7 @@ func SplitVargenSuffix(name string) (base, suffix string) { func TypeHash(t *Type) uint32 { p := t.LinkString() - // Using 32 bytes hash is overkill, but reduces accidental collisions. - h := hash.Sum32([]byte(p)) + // Using 16 bytes hash is overkill, but reduces accidental collisions. + h := hash.Sum16([]byte(p)) return binary.LittleEndian.Uint32(h[:4]) } diff --git a/src/cmd/internal/obj/sym.go b/src/cmd/internal/obj/sym.go index 0fd0eb7f0f..ac43a812b9 100644 --- a/src/cmd/internal/obj/sym.go +++ b/src/cmd/internal/obj/sym.go @@ -207,7 +207,7 @@ func (ctxt *Link) Int128Sym(hi, lo int64) *LSym { // GCLocalsSym generates a content-addressable sym containing data. func (ctxt *Link) GCLocalsSym(data []byte) *LSym { - sum := hash.Sum32(data) + sum := hash.Sum16(data) str := base64.StdEncoding.EncodeToString(sum[:16]) return ctxt.LookupInit(fmt.Sprintf("gclocals·%s", str), func(lsym *LSym) { lsym.P = data diff --git a/src/cmd/objdump/objdump_test.go b/src/cmd/objdump/objdump_test.go index 103517641e..e78f2d3f96 100644 --- a/src/cmd/objdump/objdump_test.go +++ b/src/cmd/objdump/objdump_test.go @@ -126,7 +126,7 @@ func testDisasm(t *testing.T, srcfname string, printCode bool, printGnuAsm bool, goarch = f[1] } - hash := hash.Sum32([]byte(fmt.Sprintf("%v-%v-%v-%v", srcfname, flags, printCode, printGnuAsm))) + hash := hash.Sum16([]byte(fmt.Sprintf("%v-%v-%v-%v", srcfname, flags, printCode, printGnuAsm))) tmp := t.TempDir() hello := filepath.Join(tmp, fmt.Sprintf("hello-%x.exe", hash)) args := []string{"build", "-o", hello} |